* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
-#include <linux/delay.h>
#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/module.h>
-#include <linux/pci.h>
-#include <bcmdefs.h>
-#include <bcmutils.h>
-#include <siutils.h>
+#include <linux/types.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+
#include <bcmdevs.h>
-#include <hndsoc.h>
#include <sbchipc.h>
-#include <wlc_pmu.h>
-#include "siutils_priv.h"
-
-#define PMU_ERROR(args)
-
-#ifdef BCMDBG
-#define PMU_MSG(args) printk args
-
-/* debug-only definitions */
-/* #define BCMDBG_FORCEHT */
-#else
-#define PMU_MSG(args)
-#endif /* BCMDBG */
+#include <bcmutils.h>
+#include "wlc_pmu.h"
-/* To check in verbose debugging messages not intended
- * to be on except on private builds.
+/*
+ * d11 slow to fast clock transition time in slow clock cycles
*/
-#define PMU_NONE(args)
-
-/* PLL controls/clocks */
-static void si_pmu1_pllinit0(si_t *sih, chipcregs_t *cc, u32 xtal);
-static u32 si_pmu1_alpclk0(si_t *sih, chipcregs_t *cc);
+#define D11SCC_SLOW2FAST_TRANSITION 2
-/* PMU resources */
-static bool si_pmu_res_depfltr_bb(si_t *sih);
-static bool si_pmu_res_depfltr_ncb(si_t *sih);
-static bool si_pmu_res_depfltr_paldo(si_t *sih);
-static bool si_pmu_res_depfltr_npaldo(si_t *sih);
-static u32 si_pmu_res_deps(si_t *sih, chipcregs_t *cc, u32 rsrcs, bool all);
-static uint si_pmu_res_uptime(si_t *sih, chipcregs_t *cc, u8 rsrc);
-static void si_pmu_res_masks(si_t *sih, u32 * pmin, u32 * pmax);
-static void si_pmu_spuravoid_pllupdate(si_t *sih, chipcregs_t *cc,
- u8 spuravoid);
+/*
+ * external LPO crystal frequency
+ */
+#define EXT_ILP_HZ 32768
-static void si_pmu_set_4330_plldivs(si_t *sih);
+/*
+ * Duration for ILP clock frequency measurment in milliseconds
+ *
+ * remark: 1000 must be an integer multiple of this duration
+ */
+#define ILP_CALC_DUR 10
-/* FVCO frequency */
+/*
+ * FVCO frequency
+ */
#define FVCO_880 880000 /* 880MHz */
#define FVCO_1760 1760000 /* 1760MHz */
#define FVCO_1440 1440000 /* 1440MHz */
#define FVCO_960 960000 /* 960MHz */
-/* Read/write a chipcontrol reg */
-u32 si_pmu_chipcontrol(si_t *sih, uint reg, u32 mask, u32 val)
-{
- si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, chipcontrol_addr), ~0,
- reg);
- return si_corereg(sih, SI_CC_IDX,
- offsetof(chipcregs_t, chipcontrol_data), mask, val);
-}
-
-/* Read/write a regcontrol reg */
-u32 si_pmu_regcontrol(si_t *sih, uint reg, u32 mask, u32 val)
-{
- si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, regcontrol_addr), ~0,
- reg);
- return si_corereg(sih, SI_CC_IDX,
- offsetof(chipcregs_t, regcontrol_data), mask, val);
-}
-
-/* Read/write a pllcontrol reg */
-u32 si_pmu_pllcontrol(si_t *sih, uint reg, u32 mask, u32 val)
-{
- si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, pllcontrol_addr), ~0,
- reg);
- return si_corereg(sih, SI_CC_IDX,
- offsetof(chipcregs_t, pllcontrol_data), mask, val);
-}
-
-/* PMU PLL update */
-void si_pmu_pllupd(si_t *sih)
-{
- si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, pmucontrol),
- PCTL_PLL_PLLCTL_UPD, PCTL_PLL_PLLCTL_UPD);
-}
+/*
+ * PMU crystal table indices for 1440MHz fvco
+ */
+#define PMU1_XTALTAB0_1440_12000K 0
+#define PMU1_XTALTAB0_1440_13000K 1
+#define PMU1_XTALTAB0_1440_14400K 2
+#define PMU1_XTALTAB0_1440_15360K 3
+#define PMU1_XTALTAB0_1440_16200K 4
+#define PMU1_XTALTAB0_1440_16800K 5
+#define PMU1_XTALTAB0_1440_19200K 6
+#define PMU1_XTALTAB0_1440_19800K 7
+#define PMU1_XTALTAB0_1440_20000K 8
+#define PMU1_XTALTAB0_1440_25000K 9
+#define PMU1_XTALTAB0_1440_26000K 10
+#define PMU1_XTALTAB0_1440_30000K 11
+#define PMU1_XTALTAB0_1440_37400K 12
+#define PMU1_XTALTAB0_1440_38400K 13
+#define PMU1_XTALTAB0_1440_40000K 14
+#define PMU1_XTALTAB0_1440_48000K 15
-void si_pmu_set_ldo_voltage(si_t *sih, u8 ldo, u8 voltage)
-{
- u8 sr_cntl_shift = 0, rc_shift = 0, shift = 0, mask = 0;
- u8 addr = 0;
+/*
+ * PMU crystal table indices for 960MHz fvco
+ */
+#define PMU1_XTALTAB0_960_12000K 0
+#define PMU1_XTALTAB0_960_13000K 1
+#define PMU1_XTALTAB0_960_14400K 2
+#define PMU1_XTALTAB0_960_15360K 3
+#define PMU1_XTALTAB0_960_16200K 4
+#define PMU1_XTALTAB0_960_16800K 5
+#define PMU1_XTALTAB0_960_19200K 6
+#define PMU1_XTALTAB0_960_19800K 7
+#define PMU1_XTALTAB0_960_20000K 8
+#define PMU1_XTALTAB0_960_25000K 9
+#define PMU1_XTALTAB0_960_26000K 10
+#define PMU1_XTALTAB0_960_30000K 11
+#define PMU1_XTALTAB0_960_37400K 12
+#define PMU1_XTALTAB0_960_38400K 13
+#define PMU1_XTALTAB0_960_40000K 14
+#define PMU1_XTALTAB0_960_48000K 15
- switch (sih->chip) {
- case BCM4336_CHIP_ID:
- switch (ldo) {
- case SET_LDO_VOLTAGE_CLDO_PWM:
- addr = 4;
- rc_shift = 1;
- mask = 0xf;
- break;
- case SET_LDO_VOLTAGE_CLDO_BURST:
- addr = 4;
- rc_shift = 5;
- mask = 0xf;
- break;
- case SET_LDO_VOLTAGE_LNLDO1:
- addr = 4;
- rc_shift = 17;
- mask = 0xf;
- break;
- default:
- return;
- }
- break;
- case BCM4330_CHIP_ID:
- switch (ldo) {
- case SET_LDO_VOLTAGE_CBUCK_PWM:
- addr = 3;
- rc_shift = 0;
- mask = 0x1f;
- break;
- default:
- break;
- }
- break;
- default:
- return;
- }
+/*
+ * PMU crystal table indices for 880MHz fvco
+ */
+#define PMU1_XTALTAB0_880_12000K 0
+#define PMU1_XTALTAB0_880_13000K 1
+#define PMU1_XTALTAB0_880_14400K 2
+#define PMU1_XTALTAB0_880_15360K 3
+#define PMU1_XTALTAB0_880_16200K 4
+#define PMU1_XTALTAB0_880_16800K 5
+#define PMU1_XTALTAB0_880_19200K 6
+#define PMU1_XTALTAB0_880_19800K 7
+#define PMU1_XTALTAB0_880_20000K 8
+#define PMU1_XTALTAB0_880_24000K 9
+#define PMU1_XTALTAB0_880_25000K 10
+#define PMU1_XTALTAB0_880_26000K 11
+#define PMU1_XTALTAB0_880_30000K 12
+#define PMU1_XTALTAB0_880_37400K 13
+#define PMU1_XTALTAB0_880_38400K 14
+#define PMU1_XTALTAB0_880_40000K 15
- shift = sr_cntl_shift + rc_shift;
+/*
+ * crystal frequency values
+ */
+#define XTAL_FREQ_24000MHZ 24000
+#define XTAL_FREQ_30000MHZ 30000
+#define XTAL_FREQ_37400MHZ 37400
+#define XTAL_FREQ_48000MHZ 48000
- si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, regcontrol_addr),
- ~0, addr);
- si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, regcontrol_data),
- mask << shift, (voltage & mask) << shift);
-}
+/*
+ * Resource dependancies mask change action
+ *
+ * @RES_DEPEND_SET: Override the dependancies mask
+ * @RES_DEPEND_ADD: Add to the dependancies mask
+ * @RES_DEPEND_REMOVE: Remove from the dependancies mask
+ */
+#define RES_DEPEND_SET 0
+#define RES_DEPEND_ADD 1
+#define RES_DEPEND_REMOVE -1
/* d11 slow to fast clock transition time in slow clock cycles */
#define D11SCC_SLOW2FAST_TRANSITION 2
-u16 si_pmu_fast_pwrup_delay(si_t *sih)
-{
- uint delay = PMU_MAX_TRANSITION_DLY;
- chipcregs_t *cc;
- uint origidx;
-#ifdef BCMDBG
- char chn[8];
- chn[0] = 0; /* to suppress compile error */
-#endif
-
-
- /* Remember original core before switch to chipc */
- origidx = si_coreidx(sih);
- cc = si_setcoreidx(sih, SI_CC_IDX);
-
- switch (sih->chip) {
- case BCM43224_CHIP_ID:
- case BCM43225_CHIP_ID:
- case BCM43421_CHIP_ID:
- case BCM43235_CHIP_ID:
- case BCM43236_CHIP_ID:
- case BCM43238_CHIP_ID:
- case BCM4331_CHIP_ID:
- case BCM6362_CHIP_ID:
- case BCM4313_CHIP_ID:
- delay = ISSIM_ENAB(sih) ? 70 : 3700;
- break;
- case BCM4329_CHIP_ID:
- if (ISSIM_ENAB(sih))
- delay = 70;
- else {
- u32 ilp = si_ilp_clock(sih);
- delay =
- (si_pmu_res_uptime(sih, cc, RES4329_HT_AVAIL) +
- D11SCC_SLOW2FAST_TRANSITION) * ((1000000 + ilp -
- 1) / ilp);
- delay = (11 * delay) / 10;
- }
- break;
- case BCM4319_CHIP_ID:
- delay = ISSIM_ENAB(sih) ? 70 : 3700;
- break;
- case BCM4336_CHIP_ID:
- if (ISSIM_ENAB(sih))
- delay = 70;
- else {
- u32 ilp = si_ilp_clock(sih);
- delay =
- (si_pmu_res_uptime(sih, cc, RES4336_HT_AVAIL) +
- D11SCC_SLOW2FAST_TRANSITION) * ((1000000 + ilp -
- 1) / ilp);
- delay = (11 * delay) / 10;
- }
- break;
- case BCM4330_CHIP_ID:
- if (ISSIM_ENAB(sih))
- delay = 70;
- else {
- u32 ilp = si_ilp_clock(sih);
- delay =
- (si_pmu_res_uptime(sih, cc, RES4330_HT_AVAIL) +
- D11SCC_SLOW2FAST_TRANSITION) * ((1000000 + ilp -
- 1) / ilp);
- delay = (11 * delay) / 10;
- }
- break;
- default:
- break;
- }
- /* Return to original core */
- si_setcoreidx(sih, origidx);
-
- return (u16) delay;
-}
-
/* Setup resource up/down timers */
typedef struct {
u8 resnum;
bool(*filter) (si_t *sih); /* action is taken when filter is NULL or return true */
} pmu_res_depend_t;
-/* Resource dependancies mask change action */
-#define RES_DEPEND_SET 0 /* Override the dependancies mask */
-#define RES_DEPEND_ADD 1 /* Add to the dependancies mask */
-#define RES_DEPEND_REMOVE -1 /* Remove from the dependancies mask */
+/* setup pll and query clock speed */
+typedef struct {
+ u16 fref;
+ u8 xf;
+ u8 p1div;
+ u8 p2div;
+ u8 ndiv_int;
+ u32 ndiv_frac;
+} pmu1_xtaltab0_t;
+
+/*
+ * prototypes used in resource tables
+ */
+static bool si_pmu_res_depfltr_bb(si_t *sih);
+static bool si_pmu_res_depfltr_ncb(si_t *sih);
+static bool si_pmu_res_depfltr_paldo(si_t *sih);
+static bool si_pmu_res_depfltr_npaldo(si_t *sih);
static const pmu_res_updown_t bcm4328a0_res_updown[] = {
{
PMURES_BIT(RES4330_HT_AVAIL), RES_DEPEND_ADD, 0, NULL}
};
+/* the following table is based on 1440Mhz fvco */
+static const pmu1_xtaltab0_t pmu1_xtaltab0_1440[] = {
+ {
+ 12000, 1, 1, 1, 0x78, 0x0}, {
+ 13000, 2, 1, 1, 0x6E, 0xC4EC4E}, {
+ 14400, 3, 1, 1, 0x64, 0x0}, {
+ 15360, 4, 1, 1, 0x5D, 0xC00000}, {
+ 16200, 5, 1, 1, 0x58, 0xE38E38}, {
+ 16800, 6, 1, 1, 0x55, 0xB6DB6D}, {
+ 19200, 7, 1, 1, 0x4B, 0}, {
+ 19800, 8, 1, 1, 0x48, 0xBA2E8B}, {
+ 20000, 9, 1, 1, 0x48, 0x0}, {
+ 25000, 10, 1, 1, 0x39, 0x999999}, {
+ 26000, 11, 1, 1, 0x37, 0x627627}, {
+ 30000, 12, 1, 1, 0x30, 0x0}, {
+ 37400, 13, 2, 1, 0x4D, 0x15E76}, {
+ 38400, 13, 2, 1, 0x4B, 0x0}, {
+ 40000, 14, 2, 1, 0x48, 0x0}, {
+ 48000, 15, 2, 1, 0x3c, 0x0}, {
+ 0, 0, 0, 0, 0, 0}
+};
+
+static const pmu1_xtaltab0_t pmu1_xtaltab0_960[] = {
+ {
+ 12000, 1, 1, 1, 0x50, 0x0}, {
+ 13000, 2, 1, 1, 0x49, 0xD89D89}, {
+ 14400, 3, 1, 1, 0x42, 0xAAAAAA}, {
+ 15360, 4, 1, 1, 0x3E, 0x800000}, {
+ 16200, 5, 1, 1, 0x39, 0x425ED0}, {
+ 16800, 6, 1, 1, 0x39, 0x249249}, {
+ 19200, 7, 1, 1, 0x32, 0x0}, {
+ 19800, 8, 1, 1, 0x30, 0x7C1F07}, {
+ 20000, 9, 1, 1, 0x30, 0x0}, {
+ 25000, 10, 1, 1, 0x26, 0x666666}, {
+ 26000, 11, 1, 1, 0x24, 0xEC4EC4}, {
+ 30000, 12, 1, 1, 0x20, 0x0}, {
+ 37400, 13, 2, 1, 0x33, 0x563EF9}, {
+ 38400, 14, 2, 1, 0x32, 0x0}, {
+ 40000, 15, 2, 1, 0x30, 0x0}, {
+ 48000, 16, 2, 1, 0x28, 0x0}, {
+ 0, 0, 0, 0, 0, 0}
+};
+
+static const pmu1_xtaltab0_t pmu1_xtaltab0_880_4329[] = {
+ {
+ 12000, 1, 3, 22, 0x9, 0xFFFFEF}, {
+ 13000, 2, 1, 6, 0xb, 0x483483}, {
+ 14400, 3, 1, 10, 0xa, 0x1C71C7}, {
+ 15360, 4, 1, 5, 0xb, 0x755555}, {
+ 16200, 5, 1, 10, 0x5, 0x6E9E06}, {
+ 16800, 6, 1, 10, 0x5, 0x3Cf3Cf}, {
+ 19200, 7, 1, 4, 0xb, 0x755555}, {
+ 19800, 8, 1, 11, 0x4, 0xA57EB}, {
+ 20000, 9, 1, 11, 0x4, 0x0}, {
+ 24000, 10, 3, 11, 0xa, 0x0}, {
+ 25000, 11, 5, 16, 0xb, 0x0}, {
+ 26000, 12, 1, 1, 0x21, 0xD89D89}, {
+ 30000, 13, 3, 8, 0xb, 0x0}, {
+ 37400, 14, 3, 1, 0x46, 0x969696}, {
+ 38400, 15, 1, 1, 0x16, 0xEAAAAA}, {
+ 40000, 16, 1, 2, 0xb, 0}, {
+ 0, 0, 0, 0, 0, 0}
+};
+
+/* the following table is based on 880Mhz fvco */
+static const pmu1_xtaltab0_t pmu1_xtaltab0_880[] = {
+ {
+ 12000, 1, 3, 22, 0x9, 0xFFFFEF}, {
+ 13000, 2, 1, 6, 0xb, 0x483483}, {
+ 14400, 3, 1, 10, 0xa, 0x1C71C7}, {
+ 15360, 4, 1, 5, 0xb, 0x755555}, {
+ 16200, 5, 1, 10, 0x5, 0x6E9E06}, {
+ 16800, 6, 1, 10, 0x5, 0x3Cf3Cf}, {
+ 19200, 7, 1, 4, 0xb, 0x755555}, {
+ 19800, 8, 1, 11, 0x4, 0xA57EB}, {
+ 20000, 9, 1, 11, 0x4, 0x0}, {
+ 24000, 10, 3, 11, 0xa, 0x0}, {
+ 25000, 11, 5, 16, 0xb, 0x0}, {
+ 26000, 12, 1, 2, 0x10, 0xEC4EC4}, {
+ 30000, 13, 3, 8, 0xb, 0x0}, {
+ 33600, 14, 1, 2, 0xd, 0x186186}, {
+ 38400, 15, 1, 2, 0xb, 0x755555}, {
+ 40000, 16, 1, 2, 0xb, 0}, {
+ 0, 0, 0, 0, 0, 0}
+};
+
/* true if the power topology uses the buck boost to provide 3.3V to VDDIO_RF and WLAN PA */
static bool si_pmu_res_depfltr_bb(si_t *sih)
{
return (sih->boardflags & BFL_PALDO) == 0;
}
-#define BCM94325_BBVDDIOSD_BOARDS(sih) (sih->boardtype == BCM94325DEVBU_BOARD || \
- sih->boardtype == BCM94325BGABU_BOARD)
+/* Return dependancies (direct or all/indirect) for the given resources */
+static u32
+si_pmu_res_deps(si_t *sih, chipcregs_t *cc, u32 rsrcs,
+ bool all)
+{
+ u32 deps = 0;
+ u32 i;
+
+ for (i = 0; i <= PMURES_MAX_RESNUM; i++) {
+ if (!(rsrcs & PMURES_BIT(i)))
+ continue;
+ W_REG(&cc->res_table_sel, i);
+ deps |= R_REG(&cc->res_dep_mask);
+ }
+
+ return !all ? deps : (deps
+ ? (deps |
+ si_pmu_res_deps(sih, cc, deps,
+ true)) : 0);
+}
/* Determine min/max rsrc masks. Value 0 leaves hardware at default. */
static void si_pmu_res_masks(si_t *sih, u32 * pmin, u32 * pmax)
/* Apply nvram override to min mask */
val = getvar(NULL, "rmin");
if (val != NULL) {
- PMU_MSG(("Applying rmin=%s to min_mask\n", val));
min_mask = (u32) simple_strtoul(val, NULL, 0);
}
/* Apply nvram override to max mask */
val = getvar(NULL, "rmax");
if (val != NULL) {
- PMU_MSG(("Applying rmax=%s to max_mask\n", val));
max_mask = (u32) simple_strtoul(val, NULL, 0);
}
*pmax = max_mask;
}
-/* initialize PMU resources */
-void si_pmu_res_init(si_t *sih)
-{
- chipcregs_t *cc;
- uint origidx;
- const pmu_res_updown_t *pmu_res_updown_table = NULL;
- uint pmu_res_updown_table_sz = 0;
- const pmu_res_depend_t *pmu_res_depend_table = NULL;
- uint pmu_res_depend_table_sz = 0;
+/* Return up time in ILP cycles for the given resource. */
+static uint
+si_pmu_res_uptime(si_t *sih, chipcregs_t *cc, u8 rsrc) {
+ u32 deps;
+ uint up, i, dup, dmax;
u32 min_mask = 0, max_mask = 0;
- char name[8], *val;
- uint i, rsrcs;
- /* Remember original core before switch to chipc */
- origidx = si_coreidx(sih);
- cc = si_setcoreidx(sih, SI_CC_IDX);
+ /* uptime of resource 'rsrc' */
+ W_REG(&cc->res_table_sel, rsrc);
+ up = (R_REG(&cc->res_updn_timer) >> 8) & 0xff;
+
+ /* direct dependancies of resource 'rsrc' */
+ deps = si_pmu_res_deps(sih, cc, PMURES_BIT(rsrc), false);
+ for (i = 0; i <= PMURES_MAX_RESNUM; i++) {
+ if (!(deps & PMURES_BIT(i)))
+ continue;
+ deps &= ~si_pmu_res_deps(sih, cc, PMURES_BIT(i), true);
+ }
+ si_pmu_res_masks(sih, &min_mask, &max_mask);
+ deps &= ~min_mask;
+
+ /* max uptime of direct dependancies */
+ dmax = 0;
+ for (i = 0; i <= PMURES_MAX_RESNUM; i++) {
+ if (!(deps & PMURES_BIT(i)))
+ continue;
+ dup = si_pmu_res_uptime(sih, cc, (u8) i);
+ if (dmax < dup)
+ dmax = dup;
+ }
+
+ return up + dmax + PMURES_UP_TRANSITION;
+}
+
+static void
+si_pmu_spuravoid_pllupdate(si_t *sih, chipcregs_t *cc, u8 spuravoid)
+{
+ u32 tmp = 0;
+ u8 phypll_offset = 0;
+ u8 bcm5357_bcm43236_p1div[] = { 0x1, 0x5, 0x5 };
+ u8 bcm5357_bcm43236_ndiv[] = { 0x30, 0xf6, 0xfc };
switch (sih->chip) {
- case BCM4329_CHIP_ID:
- /* Optimize resources up/down timers */
- if (ISSIM_ENAB(sih)) {
- pmu_res_updown_table = NULL;
- pmu_res_updown_table_sz = 0;
- } else {
- pmu_res_updown_table = bcm4329_res_updown;
- pmu_res_updown_table_sz = ARRAY_SIZE(bcm4329_res_updown);
- }
- /* Optimize resources dependencies */
- pmu_res_depend_table = bcm4329_res_depend;
- pmu_res_depend_table_sz = ARRAY_SIZE(bcm4329_res_depend);
- break;
+ case BCM5357_CHIP_ID:
+ case BCM43235_CHIP_ID:
+ case BCM43236_CHIP_ID:
+ case BCM43238_CHIP_ID:
- case BCM4319_CHIP_ID:
- /* Optimize resources up/down timers */
- if (ISSIM_ENAB(sih)) {
- pmu_res_updown_table = bcm4319a0_res_updown_qt;
- pmu_res_updown_table_sz =
- ARRAY_SIZE(bcm4319a0_res_updown_qt);
- } else {
- pmu_res_updown_table = bcm4319a0_res_updown;
- pmu_res_updown_table_sz =
- ARRAY_SIZE(bcm4319a0_res_updown);
- }
- /* Optimize resources dependancies masks */
- pmu_res_depend_table = bcm4319a0_res_depend;
- pmu_res_depend_table_sz = ARRAY_SIZE(bcm4319a0_res_depend);
- break;
+ /* BCM5357 needs to touch PLL1_PLLCTL[02], so offset PLL0_PLLCTL[02] by 6 */
+ phypll_offset = (sih->chip == BCM5357_CHIP_ID) ? 6 : 0;
- case BCM4336_CHIP_ID:
- /* Optimize resources up/down timers */
- if (ISSIM_ENAB(sih)) {
- pmu_res_updown_table = bcm4336a0_res_updown_qt;
- pmu_res_updown_table_sz =
- ARRAY_SIZE(bcm4336a0_res_updown_qt);
- } else {
- pmu_res_updown_table = bcm4336a0_res_updown;
- pmu_res_updown_table_sz =
- ARRAY_SIZE(bcm4336a0_res_updown);
- }
- /* Optimize resources dependancies masks */
- pmu_res_depend_table = bcm4336a0_res_depend;
- pmu_res_depend_table_sz = ARRAY_SIZE(bcm4336a0_res_depend);
+ /* RMW only the P1 divider */
+ W_REG(&cc->pllcontrol_addr,
+ PMU1_PLL0_PLLCTL0 + phypll_offset);
+ tmp = R_REG(&cc->pllcontrol_data);
+ tmp &= (~(PMU1_PLL0_PC0_P1DIV_MASK));
+ tmp |=
+ (bcm5357_bcm43236_p1div[spuravoid] <<
+ PMU1_PLL0_PC0_P1DIV_SHIFT);
+ W_REG(&cc->pllcontrol_data, tmp);
+
+ /* RMW only the int feedback divider */
+ W_REG(&cc->pllcontrol_addr,
+ PMU1_PLL0_PLLCTL2 + phypll_offset);
+ tmp = R_REG(&cc->pllcontrol_data);
+ tmp &= ~(PMU1_PLL0_PC2_NDIV_INT_MASK);
+ tmp |=
+ (bcm5357_bcm43236_ndiv[spuravoid]) <<
+ PMU1_PLL0_PC2_NDIV_INT_SHIFT;
+ W_REG(&cc->pllcontrol_data, tmp);
+
+ tmp = 1 << 10;
break;
- case BCM4330_CHIP_ID:
- /* Optimize resources up/down timers */
- if (ISSIM_ENAB(sih)) {
- pmu_res_updown_table = bcm4330a0_res_updown_qt;
- pmu_res_updown_table_sz =
- ARRAY_SIZE(bcm4330a0_res_updown_qt);
+ case BCM4331_CHIP_ID:
+ if (spuravoid == 2) {
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0);
+ W_REG(&cc->pllcontrol_data, 0x11500014);
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2);
+ W_REG(&cc->pllcontrol_data, 0x0FC00a08);
+ } else if (spuravoid == 1) {
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0);
+ W_REG(&cc->pllcontrol_data, 0x11500014);
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2);
+ W_REG(&cc->pllcontrol_data, 0x0F600a08);
} else {
- pmu_res_updown_table = bcm4330a0_res_updown;
- pmu_res_updown_table_sz =
- ARRAY_SIZE(bcm4330a0_res_updown);
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0);
+ W_REG(&cc->pllcontrol_data, 0x11100014);
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2);
+ W_REG(&cc->pllcontrol_data, 0x03000a08);
}
- /* Optimize resources dependancies masks */
- pmu_res_depend_table = bcm4330a0_res_depend;
- pmu_res_depend_table_sz = ARRAY_SIZE(bcm4330a0_res_depend);
+ tmp = 1 << 10;
break;
- default:
+ case BCM43224_CHIP_ID:
+ case BCM43225_CHIP_ID:
+ case BCM43421_CHIP_ID:
+ case BCM6362_CHIP_ID:
+ if (spuravoid == 1) {
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0);
+ W_REG(&cc->pllcontrol_data, 0x11500010);
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL1);
+ W_REG(&cc->pllcontrol_data, 0x000C0C06);
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2);
+ W_REG(&cc->pllcontrol_data, 0x0F600a08);
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL3);
+ W_REG(&cc->pllcontrol_data, 0x00000000);
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL4);
+ W_REG(&cc->pllcontrol_data, 0x2001E920);
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL5);
+ W_REG(&cc->pllcontrol_data, 0x88888815);
+ } else {
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0);
+ W_REG(&cc->pllcontrol_data, 0x11100010);
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL1);
+ W_REG(&cc->pllcontrol_data, 0x000c0c06);
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2);
+ W_REG(&cc->pllcontrol_data, 0x03000a08);
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL3);
+ W_REG(&cc->pllcontrol_data, 0x00000000);
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL4);
+ W_REG(&cc->pllcontrol_data, 0x200005c0);
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL5);
+ W_REG(&cc->pllcontrol_data, 0x88888815);
+ }
+ tmp = 1 << 10;
break;
- }
- /* # resources */
- rsrcs = (sih->pmucaps & PCAP_RC_MASK) >> PCAP_RC_SHIFT;
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0);
+ W_REG(&cc->pllcontrol_data, 0x11100008);
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL1);
+ W_REG(&cc->pllcontrol_data, 0x0c000c06);
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2);
+ W_REG(&cc->pllcontrol_data, 0x03000a08);
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL3);
+ W_REG(&cc->pllcontrol_data, 0x00000000);
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL4);
+ W_REG(&cc->pllcontrol_data, 0x200005c0);
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL5);
+ W_REG(&cc->pllcontrol_data, 0x88888855);
- /* Program up/down timers */
- while (pmu_res_updown_table_sz--) {
- PMU_MSG(("Changing rsrc %d res_updn_timer to 0x%x\n",
- pmu_res_updown_table[pmu_res_updown_table_sz].resnum,
- pmu_res_updown_table[pmu_res_updown_table_sz].updown));
- W_REG(&cc->res_table_sel,
- pmu_res_updown_table[pmu_res_updown_table_sz].resnum);
- W_REG(&cc->res_updn_timer,
- pmu_res_updown_table[pmu_res_updown_table_sz].updown);
- }
- /* Apply nvram overrides to up/down timers */
- for (i = 0; i < rsrcs; i++) {
- snprintf(name, sizeof(name), "r%dt", i);
- val = getvar(NULL, name);
- if (val == NULL)
- continue;
- PMU_MSG(("Applying %s=%s to rsrc %d res_updn_timer\n", name,
- val, i));
- W_REG(&cc->res_table_sel, (u32) i);
- W_REG(&cc->res_updn_timer,
- (u32) simple_strtoul(val, NULL, 0));
- }
+ tmp = 1 << 10;
+ break;
- /* Program resource dependencies table */
- while (pmu_res_depend_table_sz--) {
- if (pmu_res_depend_table[pmu_res_depend_table_sz].filter != NULL
- && !(pmu_res_depend_table[pmu_res_depend_table_sz].
- filter) (sih))
- continue;
- for (i = 0; i < rsrcs; i++) {
- if ((pmu_res_depend_table[pmu_res_depend_table_sz].
- res_mask & PMURES_BIT(i)) == 0)
- continue;
- W_REG(&cc->res_table_sel, i);
- switch (pmu_res_depend_table[pmu_res_depend_table_sz].
- action) {
- case RES_DEPEND_SET:
- PMU_MSG(("Changing rsrc %d res_dep_mask to 0x%x\n", i, pmu_res_depend_table[pmu_res_depend_table_sz].depend_mask));
- W_REG(&cc->res_dep_mask,
- pmu_res_depend_table
- [pmu_res_depend_table_sz].depend_mask);
- break;
- case RES_DEPEND_ADD:
- PMU_MSG(("Adding 0x%x to rsrc %d res_dep_mask\n", pmu_res_depend_table[pmu_res_depend_table_sz].depend_mask, i));
- OR_REG(&cc->res_dep_mask,
- pmu_res_depend_table
- [pmu_res_depend_table_sz].depend_mask);
- break;
- case RES_DEPEND_REMOVE:
- PMU_MSG(("Removing 0x%x from rsrc %d res_dep_mask\n", pmu_res_depend_table[pmu_res_depend_table_sz].depend_mask, i));
- AND_REG(&cc->res_dep_mask,
- ~pmu_res_depend_table
- [pmu_res_depend_table_sz].depend_mask);
- break;
- default:
- break;
- }
+ case BCM4716_CHIP_ID:
+ case BCM4748_CHIP_ID:
+ case BCM47162_CHIP_ID:
+ if (spuravoid == 1) {
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0);
+ W_REG(&cc->pllcontrol_data, 0x11500060);
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL1);
+ W_REG(&cc->pllcontrol_data, 0x080C0C06);
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2);
+ W_REG(&cc->pllcontrol_data, 0x0F600000);
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL3);
+ W_REG(&cc->pllcontrol_data, 0x00000000);
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL4);
+ W_REG(&cc->pllcontrol_data, 0x2001E924);
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL5);
+ W_REG(&cc->pllcontrol_data, 0x88888815);
+ } else {
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0);
+ W_REG(&cc->pllcontrol_data, 0x11100060);
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL1);
+ W_REG(&cc->pllcontrol_data, 0x080c0c06);
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2);
+ W_REG(&cc->pllcontrol_data, 0x03000000);
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL3);
+ W_REG(&cc->pllcontrol_data, 0x00000000);
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL4);
+ W_REG(&cc->pllcontrol_data, 0x200005c0);
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL5);
+ W_REG(&cc->pllcontrol_data, 0x88888815);
}
- }
- /* Apply nvram overrides to dependancies masks */
- for (i = 0; i < rsrcs; i++) {
- snprintf(name, sizeof(name), "r%dd", i);
- val = getvar(NULL, name);
- if (val == NULL)
- continue;
- PMU_MSG(("Applying %s=%s to rsrc %d res_dep_mask\n", name, val,
- i));
- W_REG(&cc->res_table_sel, (u32) i);
- W_REG(&cc->res_dep_mask,
- (u32) simple_strtoul(val, NULL, 0));
- }
-
- /* Determine min/max rsrc masks */
- si_pmu_res_masks(sih, &min_mask, &max_mask);
-
- /* It is required to program max_mask first and then min_mask */
-
- /* Program max resource mask */
-
- if (max_mask) {
- PMU_MSG(("Changing max_res_mask to 0x%x\n", max_mask));
- W_REG(&cc->max_res_mask, max_mask);
- }
-
- /* Program min resource mask */
-
- if (min_mask) {
- PMU_MSG(("Changing min_res_mask to 0x%x\n", min_mask));
- W_REG(&cc->min_res_mask, min_mask);
- }
-
- /* Add some delay; allow resources to come up and settle. */
- mdelay(2);
-
- /* Return to original core */
- si_setcoreidx(sih, origidx);
-}
-
-/* setup pll and query clock speed */
-typedef struct {
- u16 freq;
- u8 xf;
- u8 wbint;
- u32 wbfrac;
-} pmu0_xtaltab0_t;
-
-/* the following table is based on 880Mhz fvco */
-static const pmu0_xtaltab0_t pmu0_xtaltab0[] = {
- {
- 12000, 1, 73, 349525}, {
- 13000, 2, 67, 725937}, {
- 14400, 3, 61, 116508}, {
- 15360, 4, 57, 305834}, {
- 16200, 5, 54, 336579}, {
- 16800, 6, 52, 399457}, {
- 19200, 7, 45, 873813}, {
- 19800, 8, 44, 466033}, {
- 20000, 9, 44, 0}, {
- 25000, 10, 70, 419430}, {
- 26000, 11, 67, 725937}, {
- 30000, 12, 58, 699050}, {
- 38400, 13, 45, 873813}, {
- 40000, 14, 45, 0}, {
- 0, 0, 0, 0}
-};
-
-#define PMU0_XTAL0_DEFAULT 8
-
-/* setup pll and query clock speed */
-typedef struct {
- u16 fref;
- u8 xf;
- u8 p1div;
- u8 p2div;
- u8 ndiv_int;
- u32 ndiv_frac;
-} pmu1_xtaltab0_t;
-
-static const pmu1_xtaltab0_t pmu1_xtaltab0_880_4329[] = {
- {
- 12000, 1, 3, 22, 0x9, 0xFFFFEF}, {
- 13000, 2, 1, 6, 0xb, 0x483483}, {
- 14400, 3, 1, 10, 0xa, 0x1C71C7}, {
- 15360, 4, 1, 5, 0xb, 0x755555}, {
- 16200, 5, 1, 10, 0x5, 0x6E9E06}, {
- 16800, 6, 1, 10, 0x5, 0x3Cf3Cf}, {
- 19200, 7, 1, 4, 0xb, 0x755555}, {
- 19800, 8, 1, 11, 0x4, 0xA57EB}, {
- 20000, 9, 1, 11, 0x4, 0x0}, {
- 24000, 10, 3, 11, 0xa, 0x0}, {
- 25000, 11, 5, 16, 0xb, 0x0}, {
- 26000, 12, 1, 1, 0x21, 0xD89D89}, {
- 30000, 13, 3, 8, 0xb, 0x0}, {
- 37400, 14, 3, 1, 0x46, 0x969696}, {
- 38400, 15, 1, 1, 0x16, 0xEAAAAA}, {
- 40000, 16, 1, 2, 0xb, 0}, {
- 0, 0, 0, 0, 0, 0}
-};
-/* the following table is based on 880Mhz fvco */
-static const pmu1_xtaltab0_t pmu1_xtaltab0_880[] = {
- {
- 12000, 1, 3, 22, 0x9, 0xFFFFEF}, {
- 13000, 2, 1, 6, 0xb, 0x483483}, {
- 14400, 3, 1, 10, 0xa, 0x1C71C7}, {
- 15360, 4, 1, 5, 0xb, 0x755555}, {
- 16200, 5, 1, 10, 0x5, 0x6E9E06}, {
- 16800, 6, 1, 10, 0x5, 0x3Cf3Cf}, {
- 19200, 7, 1, 4, 0xb, 0x755555}, {
- 19800, 8, 1, 11, 0x4, 0xA57EB}, {
- 20000, 9, 1, 11, 0x4, 0x0}, {
- 24000, 10, 3, 11, 0xa, 0x0}, {
- 25000, 11, 5, 16, 0xb, 0x0}, {
- 26000, 12, 1, 2, 0x10, 0xEC4EC4}, {
- 30000, 13, 3, 8, 0xb, 0x0}, {
- 33600, 14, 1, 2, 0xd, 0x186186}, {
- 38400, 15, 1, 2, 0xb, 0x755555}, {
- 40000, 16, 1, 2, 0xb, 0}, {
- 0, 0, 0, 0, 0, 0}
-};
-
-#define PMU1_XTALTAB0_880_12000K 0
-#define PMU1_XTALTAB0_880_13000K 1
-#define PMU1_XTALTAB0_880_14400K 2
-#define PMU1_XTALTAB0_880_15360K 3
-#define PMU1_XTALTAB0_880_16200K 4
-#define PMU1_XTALTAB0_880_16800K 5
-#define PMU1_XTALTAB0_880_19200K 6
-#define PMU1_XTALTAB0_880_19800K 7
-#define PMU1_XTALTAB0_880_20000K 8
-#define PMU1_XTALTAB0_880_24000K 9
-#define PMU1_XTALTAB0_880_25000K 10
-#define PMU1_XTALTAB0_880_26000K 11
-#define PMU1_XTALTAB0_880_30000K 12
-#define PMU1_XTALTAB0_880_37400K 13
-#define PMU1_XTALTAB0_880_38400K 14
-#define PMU1_XTALTAB0_880_40000K 15
-
-/* the following table is based on 1760Mhz fvco */
-static const pmu1_xtaltab0_t pmu1_xtaltab0_1760[] = {
- {
- 12000, 1, 3, 44, 0x9, 0xFFFFEF}, {
- 13000, 2, 1, 12, 0xb, 0x483483}, {
- 14400, 3, 1, 20, 0xa, 0x1C71C7}, {
- 15360, 4, 1, 10, 0xb, 0x755555}, {
- 16200, 5, 1, 20, 0x5, 0x6E9E06}, {
- 16800, 6, 1, 20, 0x5, 0x3Cf3Cf}, {
- 19200, 7, 1, 18, 0x5, 0x17B425}, {
- 19800, 8, 1, 22, 0x4, 0xA57EB}, {
- 20000, 9, 1, 22, 0x4, 0x0}, {
- 24000, 10, 3, 22, 0xa, 0x0}, {
- 25000, 11, 5, 32, 0xb, 0x0}, {
- 26000, 12, 1, 4, 0x10, 0xEC4EC4}, {
- 30000, 13, 3, 16, 0xb, 0x0}, {
- 38400, 14, 1, 10, 0x4, 0x955555}, {
- 40000, 15, 1, 4, 0xb, 0}, {
- 0, 0, 0, 0, 0, 0}
-};
-
-/* table index */
-#define PMU1_XTALTAB0_1760_12000K 0
-#define PMU1_XTALTAB0_1760_13000K 1
-#define PMU1_XTALTAB0_1760_14400K 2
-#define PMU1_XTALTAB0_1760_15360K 3
-#define PMU1_XTALTAB0_1760_16200K 4
-#define PMU1_XTALTAB0_1760_16800K 5
-#define PMU1_XTALTAB0_1760_19200K 6
-#define PMU1_XTALTAB0_1760_19800K 7
-#define PMU1_XTALTAB0_1760_20000K 8
-#define PMU1_XTALTAB0_1760_24000K 9
-#define PMU1_XTALTAB0_1760_25000K 10
-#define PMU1_XTALTAB0_1760_26000K 11
-#define PMU1_XTALTAB0_1760_30000K 12
-#define PMU1_XTALTAB0_1760_38400K 13
-#define PMU1_XTALTAB0_1760_40000K 14
+ tmp = 3 << 9;
+ break;
-/* the following table is based on 1440Mhz fvco */
-static const pmu1_xtaltab0_t pmu1_xtaltab0_1440[] = {
- {
- 12000, 1, 1, 1, 0x78, 0x0}, {
- 13000, 2, 1, 1, 0x6E, 0xC4EC4E}, {
- 14400, 3, 1, 1, 0x64, 0x0}, {
- 15360, 4, 1, 1, 0x5D, 0xC00000}, {
- 16200, 5, 1, 1, 0x58, 0xE38E38}, {
- 16800, 6, 1, 1, 0x55, 0xB6DB6D}, {
- 19200, 7, 1, 1, 0x4B, 0}, {
- 19800, 8, 1, 1, 0x48, 0xBA2E8B}, {
- 20000, 9, 1, 1, 0x48, 0x0}, {
- 25000, 10, 1, 1, 0x39, 0x999999}, {
- 26000, 11, 1, 1, 0x37, 0x627627}, {
- 30000, 12, 1, 1, 0x30, 0x0}, {
- 37400, 13, 2, 1, 0x4D, 0x15E76}, {
- 38400, 13, 2, 1, 0x4B, 0x0}, {
- 40000, 14, 2, 1, 0x48, 0x0}, {
- 48000, 15, 2, 1, 0x3c, 0x0}, {
- 0, 0, 0, 0, 0, 0}
-};
+ case BCM4319_CHIP_ID:
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0);
+ W_REG(&cc->pllcontrol_data, 0x11100070);
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL1);
+ W_REG(&cc->pllcontrol_data, 0x1014140a);
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL5);
+ W_REG(&cc->pllcontrol_data, 0x88888854);
-/* table index */
-#define PMU1_XTALTAB0_1440_12000K 0
-#define PMU1_XTALTAB0_1440_13000K 1
-#define PMU1_XTALTAB0_1440_14400K 2
-#define PMU1_XTALTAB0_1440_15360K 3
-#define PMU1_XTALTAB0_1440_16200K 4
-#define PMU1_XTALTAB0_1440_16800K 5
-#define PMU1_XTALTAB0_1440_19200K 6
-#define PMU1_XTALTAB0_1440_19800K 7
-#define PMU1_XTALTAB0_1440_20000K 8
-#define PMU1_XTALTAB0_1440_25000K 9
-#define PMU1_XTALTAB0_1440_26000K 10
-#define PMU1_XTALTAB0_1440_30000K 11
-#define PMU1_XTALTAB0_1440_37400K 12
-#define PMU1_XTALTAB0_1440_38400K 13
-#define PMU1_XTALTAB0_1440_40000K 14
-#define PMU1_XTALTAB0_1440_48000K 15
+ if (spuravoid == 1) { /* spur_avoid ON, enable 41/82/164Mhz clock mode */
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2);
+ W_REG(&cc->pllcontrol_data, 0x05201828);
+ } else { /* enable 40/80/160Mhz clock mode */
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2);
+ W_REG(&cc->pllcontrol_data, 0x05001828);
+ }
+ break;
+ case BCM4336_CHIP_ID:
+ /* Looks like these are only for default xtal freq 26MHz */
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0);
+ W_REG(&cc->pllcontrol_data, 0x02100020);
-#define XTAL_FREQ_24000MHZ 24000
-#define XTAL_FREQ_30000MHZ 30000
-#define XTAL_FREQ_37400MHZ 37400
-#define XTAL_FREQ_48000MHZ 48000
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL1);
+ W_REG(&cc->pllcontrol_data, 0x0C0C0C0C);
-static const pmu1_xtaltab0_t pmu1_xtaltab0_960[] = {
- {
- 12000, 1, 1, 1, 0x50, 0x0}, {
- 13000, 2, 1, 1, 0x49, 0xD89D89}, {
- 14400, 3, 1, 1, 0x42, 0xAAAAAA}, {
- 15360, 4, 1, 1, 0x3E, 0x800000}, {
- 16200, 5, 1, 1, 0x39, 0x425ED0}, {
- 16800, 6, 1, 1, 0x39, 0x249249}, {
- 19200, 7, 1, 1, 0x32, 0x0}, {
- 19800, 8, 1, 1, 0x30, 0x7C1F07}, {
- 20000, 9, 1, 1, 0x30, 0x0}, {
- 25000, 10, 1, 1, 0x26, 0x666666}, {
- 26000, 11, 1, 1, 0x24, 0xEC4EC4}, {
- 30000, 12, 1, 1, 0x20, 0x0}, {
- 37400, 13, 2, 1, 0x33, 0x563EF9}, {
- 38400, 14, 2, 1, 0x32, 0x0}, {
- 40000, 15, 2, 1, 0x30, 0x0}, {
- 48000, 16, 2, 1, 0x28, 0x0}, {
- 0, 0, 0, 0, 0, 0}
-};
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2);
+ W_REG(&cc->pllcontrol_data, 0x01240C0C);
-/* table index */
-#define PMU1_XTALTAB0_960_12000K 0
-#define PMU1_XTALTAB0_960_13000K 1
-#define PMU1_XTALTAB0_960_14400K 2
-#define PMU1_XTALTAB0_960_15360K 3
-#define PMU1_XTALTAB0_960_16200K 4
-#define PMU1_XTALTAB0_960_16800K 5
-#define PMU1_XTALTAB0_960_19200K 6
-#define PMU1_XTALTAB0_960_19800K 7
-#define PMU1_XTALTAB0_960_20000K 8
-#define PMU1_XTALTAB0_960_25000K 9
-#define PMU1_XTALTAB0_960_26000K 10
-#define PMU1_XTALTAB0_960_30000K 11
-#define PMU1_XTALTAB0_960_37400K 12
-#define PMU1_XTALTAB0_960_38400K 13
-#define PMU1_XTALTAB0_960_40000K 14
-#define PMU1_XTALTAB0_960_48000K 15
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL4);
+ W_REG(&cc->pllcontrol_data, 0x202C2820);
-/* select xtal table for each chip */
-static const pmu1_xtaltab0_t *si_pmu1_xtaltab0(si_t *sih)
-{
-#ifdef BCMDBG
- char chn[8];
-#endif
- switch (sih->chip) {
- case BCM4329_CHIP_ID:
- return pmu1_xtaltab0_880_4329;
- case BCM4319_CHIP_ID:
- return pmu1_xtaltab0_1440;
- case BCM4336_CHIP_ID:
- return pmu1_xtaltab0_960;
- case BCM4330_CHIP_ID:
- if (CST4330_CHIPMODE_SDIOD(sih->chipst))
- return pmu1_xtaltab0_960;
- else
- return pmu1_xtaltab0_1440;
- default:
- PMU_MSG(("si_pmu1_xtaltab0: Unknown chipid %s\n",
- bcm_chipname(sih->chip, chn, 8)));
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL5);
+ W_REG(&cc->pllcontrol_data, 0x88888825);
+
+ W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL3);
+ if (spuravoid == 1) {
+ W_REG(&cc->pllcontrol_data, 0x00EC4EC4);
+ } else {
+ W_REG(&cc->pllcontrol_data, 0x00762762);
+ }
+
+ tmp = PCTL_PLL_PLLCTL_UPD;
break;
+
+ default:
+ /* bail out */
+ return;
}
- return NULL;
+
+ tmp |= R_REG(&cc->pmucontrol);
+ W_REG(&cc->pmucontrol, tmp);
}
/* select default xtal frequency for each chip */
static const pmu1_xtaltab0_t *si_pmu1_xtaldef0(si_t *sih)
{
-#ifdef BCMDBG
- char chn[8];
-#endif
-
switch (sih->chip) {
case BCM4329_CHIP_ID:
/* Default to 38400Khz */
else
return &pmu1_xtaltab0_1440[PMU1_XTALTAB0_1440_37400K];
default:
- PMU_MSG(("si_pmu1_xtaldef0: Unknown chipid %s\n",
- bcm_chipname(sih->chip, chn, 8)));
break;
}
return NULL;
}
-/* select default pll fvco for each chip */
-static u32 si_pmu1_pllfvco0(si_t *sih)
+/* select xtal table for each chip */
+static const pmu1_xtaltab0_t *si_pmu1_xtaltab0(si_t *sih)
{
-#ifdef BCMDBG
- char chn[8];
-#endif
-
switch (sih->chip) {
case BCM4329_CHIP_ID:
- return FVCO_880;
+ return pmu1_xtaltab0_880_4329;
case BCM4319_CHIP_ID:
- return FVCO_1440;
+ return pmu1_xtaltab0_1440;
case BCM4336_CHIP_ID:
- return FVCO_960;
+ return pmu1_xtaltab0_960;
case BCM4330_CHIP_ID:
if (CST4330_CHIPMODE_SDIOD(sih->chipst))
- return FVCO_960;
+ return pmu1_xtaltab0_960;
else
- return FVCO_1440;
+ return pmu1_xtaltab0_1440;
default:
- PMU_MSG(("si_pmu1_pllfvco0: Unknown chipid %s\n",
- bcm_chipname(sih->chip, chn, 8)));
break;
}
- return 0;
+ return NULL;
}
/* query alp/xtal clock frequency */
return xt->fref * 1000;
}
+/* select default pll fvco for each chip */
+static u32 si_pmu1_pllfvco0(si_t *sih)
+{
+ switch (sih->chip) {
+ case BCM4329_CHIP_ID:
+ return FVCO_880;
+ case BCM4319_CHIP_ID:
+ return FVCO_1440;
+ case BCM4336_CHIP_ID:
+ return FVCO_960;
+ case BCM4330_CHIP_ID:
+ if (CST4330_CHIPMODE_SDIOD(sih->chipst))
+ return FVCO_960;
+ else
+ return FVCO_1440;
+ default:
+ break;
+ }
+ return 0;
+}
+
+static void si_pmu_set_4330_plldivs(si_t *sih)
+{
+ u32 FVCO = si_pmu1_pllfvco0(sih) / 1000;
+ u32 m1div, m2div, m3div, m4div, m5div, m6div;
+ u32 pllc1, pllc2;
+
+ m2div = m3div = m4div = m6div = FVCO / 80;
+ m5div = FVCO / 160;
+
+ if (CST4330_CHIPMODE_SDIOD(sih->chipst))
+ m1div = FVCO / 80;
+ else
+ m1div = FVCO / 90;
+ pllc1 =
+ (m1div << PMU1_PLL0_PC1_M1DIV_SHIFT) | (m2div <<
+ PMU1_PLL0_PC1_M2DIV_SHIFT) |
+ (m3div << PMU1_PLL0_PC1_M3DIV_SHIFT) | (m4div <<
+ PMU1_PLL0_PC1_M4DIV_SHIFT);
+ si_pmu_pllcontrol(sih, PMU1_PLL0_PLLCTL1, ~0, pllc1);
+
+ pllc2 = si_pmu_pllcontrol(sih, PMU1_PLL0_PLLCTL1, 0, 0);
+ pllc2 &= ~(PMU1_PLL0_PC2_M5DIV_MASK | PMU1_PLL0_PC2_M6DIV_MASK);
+ pllc2 |=
+ ((m5div << PMU1_PLL0_PC2_M5DIV_SHIFT) |
+ (m6div << PMU1_PLL0_PC2_M6DIV_SHIFT));
+ si_pmu_pllcontrol(sih, PMU1_PLL0_PLLCTL2, ~0, pllc2);
+}
+
/* Set up PLL registers in the PMU as per the crystal speed.
* XtalFreq field in pmucontrol register being 0 indicates the PLL
* is not programmed and the h/w default is assumed to work, in which
/* Use h/w default PLL config */
if (xtal == 0) {
- PMU_MSG(("Unspecified xtal frequency, skip PLL configuration\n"));
return;
}
* we don't know how to program it.
*/
if (xt == NULL || xt->fref == 0) {
- PMU_MSG(("Unsupported xtal frequency %d.%d MHz, skip PLL configuration\n", xtal / 1000, xtal % 1000));
return;
}
- /* for 4319 bootloader already programs the PLL but bootloader does not program the
- PLL4 and PLL5. So Skip this check for 4319
+ /* for 4319 bootloader already programs the PLL but bootloader does not
+ * program the PLL4 and PLL5. So Skip this check for 4319
*/
if ((((R_REG(&cc->pmucontrol) & PCTL_XTALFREQ_MASK) >>
PCTL_XTALFREQ_SHIFT) == xt->xf) &&
!((sih->chip == BCM4319_CHIP_ID)
- || (sih->chip == BCM4330_CHIP_ID))) {
- PMU_MSG(("PLL already programmed for %d.%d MHz\n",
- xt->fref / 1000, xt->fref % 1000));
+ || (sih->chip == BCM4330_CHIP_ID)))
return;
- }
-
- PMU_MSG(("XTAL %d.%d MHz (%d)\n", xtal / 1000, xtal % 1000, xt->xf));
- PMU_MSG(("Programming PLL for %d.%d MHz\n", xt->fref / 1000,
- xt->fref % 1000));
switch (sih->chip) {
case BCM4329_CHIP_ID:
break;
}
- PMU_MSG(("Done masking\n"));
-
/* Write p1div and p2div to pllcontrol[0] */
W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0);
tmp = R_REG(&cc->pllcontrol_data) &
/* Write clock driving strength to pllcontrol[5] */
if (buf_strength) {
- PMU_MSG(("Adjusting PLL buffer drive strength: %x\n",
- buf_strength));
-
W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL5);
tmp =
R_REG(&cc->pllcontrol_data) & ~PMU1_PLL0_PC5_CLK_DRV_MASK;
W_REG(&cc->pllcontrol_data, tmp);
}
- PMU_MSG(("Done pll\n"));
-
/* to operate the 4319 usb in 24MHz/48MHz; chipcontrol[2][84:83] needs
* to be updated.
*/
W_REG(&cc->pmucontrol, tmp);
}
-/* initialize PLL */
-void si_pmu_pll_init(si_t *sih, uint xtalfreq)
+u32 si_pmu_ilp_clock(si_t *sih)
+{
+ static u32 ilpcycles_per_sec = 0;
+
+ if (ISSIM_ENAB(sih))
+ return ILP_CLOCK;
+
+ if (ilpcycles_per_sec == 0) {
+ u32 start, end, delta;
+ u32 origidx = ai_coreidx(sih);
+ chipcregs_t *cc = si_setcoreidx(sih, SI_CC_IDX);
+ ASSERT(cc != NULL);
+ start = R_REG(&cc->pmutimer);
+ mdelay(ILP_CALC_DUR);
+ end = R_REG(&cc->pmutimer);
+ delta = end - start;
+ ilpcycles_per_sec = delta * (1000 / ILP_CALC_DUR);
+ si_setcoreidx(sih, origidx);
+ }
+
+ return ilpcycles_per_sec;
+}
+
+void si_pmu_set_ldo_voltage(si_t *sih, u8 ldo, u8 voltage)
+{
+ u8 sr_cntl_shift = 0, rc_shift = 0, shift = 0, mask = 0;
+ u8 addr = 0;
+
+ switch (sih->chip) {
+ case BCM4336_CHIP_ID:
+ switch (ldo) {
+ case SET_LDO_VOLTAGE_CLDO_PWM:
+ addr = 4;
+ rc_shift = 1;
+ mask = 0xf;
+ break;
+ case SET_LDO_VOLTAGE_CLDO_BURST:
+ addr = 4;
+ rc_shift = 5;
+ mask = 0xf;
+ break;
+ case SET_LDO_VOLTAGE_LNLDO1:
+ addr = 4;
+ rc_shift = 17;
+ mask = 0xf;
+ break;
+ default:
+ return;
+ }
+ break;
+ case BCM4330_CHIP_ID:
+ switch (ldo) {
+ case SET_LDO_VOLTAGE_CBUCK_PWM:
+ addr = 3;
+ rc_shift = 0;
+ mask = 0x1f;
+ break;
+ default:
+ return;
+ }
+ break;
+ default:
+ return;
+ }
+
+ shift = sr_cntl_shift + rc_shift;
+
+ si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, regcontrol_addr),
+ ~0, addr);
+ si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, regcontrol_data),
+ mask << shift, (voltage & mask) << shift);
+}
+
+u16 si_pmu_fast_pwrup_delay(si_t *sih)
{
+ uint delay = PMU_MAX_TRANSITION_DLY;
chipcregs_t *cc;
uint origidx;
#ifdef BCMDBG
char chn[8];
+ chn[0] = 0; /* to suppress compile error */
#endif
/* Remember original core before switch to chipc */
- origidx = si_coreidx(sih);
+ origidx = ai_coreidx(sih);
cc = si_setcoreidx(sih, SI_CC_IDX);
switch (sih->chip) {
- case BCM4329_CHIP_ID:
- if (xtalfreq == 0)
- xtalfreq = 38400;
- si_pmu1_pllinit0(sih, cc, xtalfreq);
- break;
- case BCM4313_CHIP_ID:
case BCM43224_CHIP_ID:
case BCM43225_CHIP_ID:
case BCM43421_CHIP_ID:
case BCM43238_CHIP_ID:
case BCM4331_CHIP_ID:
case BCM6362_CHIP_ID:
- /* ??? */
+ case BCM4313_CHIP_ID:
+ delay = ISSIM_ENAB(sih) ? 70 : 3700;
+ break;
+ case BCM4329_CHIP_ID:
+ if (ISSIM_ENAB(sih))
+ delay = 70;
+ else {
+ u32 ilp = si_ilp_clock(sih);
+ delay =
+ (si_pmu_res_uptime(sih, cc, RES4329_HT_AVAIL) +
+ D11SCC_SLOW2FAST_TRANSITION) * ((1000000 + ilp -
+ 1) / ilp);
+ delay = (11 * delay) / 10;
+ }
break;
case BCM4319_CHIP_ID:
+ delay = ISSIM_ENAB(sih) ? 70 : 3700;
+ break;
case BCM4336_CHIP_ID:
+ if (ISSIM_ENAB(sih))
+ delay = 70;
+ else {
+ u32 ilp = si_ilp_clock(sih);
+ delay =
+ (si_pmu_res_uptime(sih, cc, RES4336_HT_AVAIL) +
+ D11SCC_SLOW2FAST_TRANSITION) * ((1000000 + ilp -
+ 1) / ilp);
+ delay = (11 * delay) / 10;
+ }
+ break;
case BCM4330_CHIP_ID:
- si_pmu1_pllinit0(sih, cc, xtalfreq);
+ if (ISSIM_ENAB(sih))
+ delay = 70;
+ else {
+ u32 ilp = si_ilp_clock(sih);
+ delay =
+ (si_pmu_res_uptime(sih, cc, RES4330_HT_AVAIL) +
+ D11SCC_SLOW2FAST_TRANSITION) * ((1000000 + ilp -
+ 1) / ilp);
+ delay = (11 * delay) / 10;
+ }
break;
default:
- PMU_MSG(("No PLL init done for chip %s rev %d pmurev %d\n",
- bcm_chipname(sih->chip, chn, 8), sih->chiprev,
- sih->pmurev));
break;
}
+ /* Return to original core */
+ si_setcoreidx(sih, origidx);
+
+ return (u16) delay;
+}
+
+void si_pmu_sprom_enable(si_t *sih, bool enable)
+{
+ chipcregs_t *cc;
+ uint origidx;
+
+ /* Remember original core before switch to chipc */
+ origidx = ai_coreidx(sih);
+ cc = si_setcoreidx(sih, SI_CC_IDX);
+
+ /* Return to original core */
+ si_setcoreidx(sih, origidx);
+}
+
+/* Read/write a chipcontrol reg */
+u32 si_pmu_chipcontrol(si_t *sih, uint reg, u32 mask, u32 val)
+{
+ si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, chipcontrol_addr), ~0,
+ reg);
+ return si_corereg(sih, SI_CC_IDX,
+ offsetof(chipcregs_t, chipcontrol_data), mask, val);
+}
- /* Return to original core */
- si_setcoreidx(sih, origidx);
+/* Read/write a regcontrol reg */
+u32 si_pmu_regcontrol(si_t *sih, uint reg, u32 mask, u32 val)
+{
+ si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, regcontrol_addr), ~0,
+ reg);
+ return si_corereg(sih, SI_CC_IDX,
+ offsetof(chipcregs_t, regcontrol_data), mask, val);
+}
+
+/* Read/write a pllcontrol reg */
+u32 si_pmu_pllcontrol(si_t *sih, uint reg, u32 mask, u32 val)
+{
+ si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, pllcontrol_addr), ~0,
+ reg);
+ return si_corereg(sih, SI_CC_IDX,
+ offsetof(chipcregs_t, pllcontrol_data), mask, val);
+}
+
+/* PMU PLL update */
+void si_pmu_pllupd(si_t *sih)
+{
+ si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, pmucontrol),
+ PCTL_PLL_PLLCTL_UPD, PCTL_PLL_PLLCTL_UPD);
}
/* query alp/xtal clock frequency */
chipcregs_t *cc;
uint origidx;
u32 clock = ALP_CLOCK;
-#ifdef BCMDBG
- char chn[8];
-#endif
+
/* bail out with default */
if (!PMUCTL_ENAB(sih))
return clock;
/* Remember original core before switch to chipc */
- origidx = si_coreidx(sih);
+ origidx = ai_coreidx(sih);
cc = si_setcoreidx(sih, SI_CC_IDX);
switch (sih->chip) {
clock = 25000 * 1000;
break;
default:
- PMU_MSG(("No ALP clock specified "
- "for chip %s rev %d pmurev %d, using default %d Hz\n",
- bcm_chipname(sih->chip, chn, 8), sih->chiprev,
- sih->pmurev, clock));
break;
}
return clock;
}
-/* Measure ILP clock frequency */
-#define ILP_CALC_DUR 10 /* ms, make sure 1000 can be divided by it. */
-
-static u32 ilpcycles_per_sec;
-
-u32 si_pmu_ilp_clock(si_t *sih)
+void si_pmu_spuravoid(si_t *sih, u8 spuravoid)
{
- if (ISSIM_ENAB(sih))
- return ILP_CLOCK;
-
- if (ilpcycles_per_sec == 0) {
- u32 start, end, delta;
- u32 origidx = si_coreidx(sih);
- chipcregs_t *cc = si_setcoreidx(sih, SI_CC_IDX);
- start = R_REG(&cc->pmutimer);
- mdelay(ILP_CALC_DUR);
- end = R_REG(&cc->pmutimer);
- delta = end - start;
- ilpcycles_per_sec = delta * (1000 / ILP_CALC_DUR);
- si_setcoreidx(sih, origidx);
- }
-
- return ilpcycles_per_sec;
-}
-
-/* SDIO Pad drive strength to select value mappings */
-typedef struct {
- u8 strength; /* Pad Drive Strength in mA */
- u8 sel; /* Chip-specific select value */
-} sdiod_drive_str_t;
-
-/* SDIO Drive Strength to sel value table for PMU Rev 1 */
-static const sdiod_drive_str_t sdiod_drive_strength_tab1[] = {
- {
- 4, 0x2}, {
- 2, 0x3}, {
- 1, 0x0}, {
- 0, 0x0}
- };
-
-/* SDIO Drive Strength to sel value table for PMU Rev 2, 3 */
-static const sdiod_drive_str_t sdiod_drive_strength_tab2[] = {
- {
- 12, 0x7}, {
- 10, 0x6}, {
- 8, 0x5}, {
- 6, 0x4}, {
- 4, 0x2}, {
- 2, 0x1}, {
- 0, 0x0}
- };
-
-/* SDIO Drive Strength to sel value table for PMU Rev 8 (1.8V) */
-static const sdiod_drive_str_t sdiod_drive_strength_tab3[] = {
- {
- 32, 0x7}, {
- 26, 0x6}, {
- 22, 0x5}, {
- 16, 0x4}, {
- 12, 0x3}, {
- 8, 0x2}, {
- 4, 0x1}, {
- 0, 0x0}
- };
-
-#define SDIOD_DRVSTR_KEY(chip, pmu) (((chip) << 16) | (pmu))
-
-void
-si_sdiod_drive_strength_init(si_t *sih, u32 drivestrength) {
chipcregs_t *cc;
- uint origidx, intr_val = 0;
- sdiod_drive_str_t *str_tab = NULL;
- u32 str_mask = 0;
- u32 str_shift = 0;
-#ifdef BCMDBG
- char chn[8];
-#endif
-
- if (!(sih->cccaps & CC_CAP_PMU)) {
- return;
- }
+ uint origidx, intr_val;
+ u32 tmp = 0;
/* Remember original core before switch to chipc */
cc = (chipcregs_t *) si_switch_core(sih, CC_CORE_ID, &origidx,
&intr_val);
- switch (SDIOD_DRVSTR_KEY(sih->chip, sih->pmurev)) {
- case SDIOD_DRVSTR_KEY(BCM4325_CHIP_ID, 1):
- str_tab = (sdiod_drive_str_t *)&sdiod_drive_strength_tab1;
- str_mask = 0x30000000;
- str_shift = 28;
- break;
- case SDIOD_DRVSTR_KEY(BCM4325_CHIP_ID, 2):
- case SDIOD_DRVSTR_KEY(BCM4325_CHIP_ID, 3):
- str_tab = (sdiod_drive_str_t *)&sdiod_drive_strength_tab2;
- str_mask = 0x00003800;
- str_shift = 11;
- break;
- case SDIOD_DRVSTR_KEY(BCM4336_CHIP_ID, 8):
- str_tab = (sdiod_drive_str_t *) &sdiod_drive_strength_tab3;
- str_mask = 0x00003800;
- str_shift = 11;
- break;
-
- default:
- PMU_MSG(("No SDIO Drive strength init done for chip %s rev %d pmurev %d\n", bcm_chipname(sih->chip, chn, 8), sih->chiprev, sih->pmurev));
-
- break;
+ /* force the HT off */
+ if (sih->chip == BCM4336_CHIP_ID) {
+ tmp = R_REG(&cc->max_res_mask);
+ tmp &= ~RES4336_HT_AVAIL;
+ W_REG(&cc->max_res_mask, tmp);
+ /* wait for the ht to really go away */
+ SPINWAIT(((R_REG(&cc->clk_ctl_st) & CCS_HTAVAIL) == 0),
+ 10000);
+ ASSERT((R_REG(&cc->clk_ctl_st) & CCS_HTAVAIL) == 0);
}
- if (str_tab != NULL) {
- u32 drivestrength_sel = 0;
- u32 cc_data_temp;
- int i;
-
- for (i = 0; str_tab[i].strength != 0; i++) {
- if (drivestrength >= str_tab[i].strength) {
- drivestrength_sel = str_tab[i].sel;
- break;
- }
- }
-
- W_REG(&cc->chipcontrol_addr, 1);
- cc_data_temp = R_REG(&cc->chipcontrol_data);
- cc_data_temp &= ~str_mask;
- drivestrength_sel <<= str_shift;
- cc_data_temp |= drivestrength_sel;
- W_REG(&cc->chipcontrol_data, cc_data_temp);
+ /* update the pll changes */
+ si_pmu_spuravoid_pllupdate(sih, cc, spuravoid);
- PMU_MSG(("SDIO: %dmA drive strength selected, set to 0x%08x\n",
- drivestrength, cc_data_temp));
+ /* enable HT back on */
+ if (sih->chip == BCM4336_CHIP_ID) {
+ tmp = R_REG(&cc->max_res_mask);
+ tmp |= RES4336_HT_AVAIL;
+ W_REG(&cc->max_res_mask, tmp);
}
/* Return to original core */
uint origidx;
/* Remember original core before switch to chipc */
- origidx = si_coreidx(sih);
+ origidx = ai_coreidx(sih);
cc = si_setcoreidx(sih, SI_CC_IDX);
if (sih->pmurev == 1)
si_setcoreidx(sih, origidx);
}
-/* Return up time in ILP cycles for the given resource. */
-static uint
-si_pmu_res_uptime(si_t *sih, chipcregs_t *cc, u8 rsrc) {
- u32 deps;
- uint up, i, dup, dmax;
- u32 min_mask = 0, max_mask = 0;
-
- /* uptime of resource 'rsrc' */
- W_REG(&cc->res_table_sel, rsrc);
- up = (R_REG(&cc->res_updn_timer) >> 8) & 0xff;
-
- /* direct dependancies of resource 'rsrc' */
- deps = si_pmu_res_deps(sih, cc, PMURES_BIT(rsrc), false);
- for (i = 0; i <= PMURES_MAX_RESNUM; i++) {
- if (!(deps & PMURES_BIT(i)))
- continue;
- deps &= ~si_pmu_res_deps(sih, cc, PMURES_BIT(i), true);
- }
- si_pmu_res_masks(sih, &min_mask, &max_mask);
- deps &= ~min_mask;
-
- /* max uptime of direct dependancies */
- dmax = 0;
- for (i = 0; i <= PMURES_MAX_RESNUM; i++) {
- if (!(deps & PMURES_BIT(i)))
- continue;
- dup = si_pmu_res_uptime(sih, cc, (u8) i);
- if (dmax < dup)
- dmax = dup;
- }
-
- PMU_MSG(("si_pmu_res_uptime: rsrc %u uptime %u(deps 0x%08x uptime %u)\n", rsrc, up, deps, dmax));
+/* initialize PMU chip controls and other chip level stuff */
+void si_pmu_chip_init(si_t *sih)
+{
+ uint origidx;
- return up + dmax + PMURES_UP_TRANSITION;
-}
-/* Return dependancies (direct or all/indirect) for the given resources */
-static u32
-si_pmu_res_deps(si_t *sih, chipcregs_t *cc, u32 rsrcs,
- bool all)
-{
- u32 deps = 0;
- u32 i;
+ /* Gate off SPROM clock and chip select signals */
+ si_pmu_sprom_enable(sih, false);
- for (i = 0; i <= PMURES_MAX_RESNUM; i++) {
- if (!(rsrcs & PMURES_BIT(i)))
- continue;
- W_REG(&cc->res_table_sel, i);
- deps |= R_REG(&cc->res_dep_mask);
- }
+ /* Remember original core */
+ origidx = ai_coreidx(sih);
- return !all ? deps : (deps
- ? (deps |
- si_pmu_res_deps(sih, cc, deps,
- true)) : 0);
+ /* Return to original core */
+ si_setcoreidx(sih, origidx);
}
-/* power up/down OTP through PMU resources */
-void si_pmu_otp_power(si_t *sih, bool on)
+/* initialize PMU switch/regulators */
+void si_pmu_swreg_init(si_t *sih)
{
- chipcregs_t *cc;
- uint origidx;
- u32 rsrcs = 0; /* rsrcs to turn on/off OTP power */
-
- /* Don't do anything if OTP is disabled */
- if (si_is_otp_disabled(sih)) {
- PMU_MSG(("si_pmu_otp_power: OTP is disabled\n"));
- return;
- }
-
- /* Remember original core before switch to chipc */
- origidx = si_coreidx(sih);
- cc = si_setcoreidx(sih, SI_CC_IDX);
switch (sih->chip) {
- case BCM4329_CHIP_ID:
- rsrcs = PMURES_BIT(RES4329_OTP_PU);
- break;
- case BCM4319_CHIP_ID:
- rsrcs = PMURES_BIT(RES4319_OTP_PU);
- break;
case BCM4336_CHIP_ID:
- rsrcs = PMURES_BIT(RES4336_OTP_PU);
+ /* Reduce CLDO PWM output voltage to 1.2V */
+ si_pmu_set_ldo_voltage(sih, SET_LDO_VOLTAGE_CLDO_PWM, 0xe);
+ /* Reduce CLDO BURST output voltage to 1.2V */
+ si_pmu_set_ldo_voltage(sih, SET_LDO_VOLTAGE_CLDO_BURST,
+ 0xe);
+ /* Reduce LNLDO1 output voltage to 1.2V */
+ si_pmu_set_ldo_voltage(sih, SET_LDO_VOLTAGE_LNLDO1, 0xe);
+ if (sih->chiprev == 0)
+ si_pmu_regcontrol(sih, 2, 0x400000, 0x400000);
break;
+
case BCM4330_CHIP_ID:
- rsrcs = PMURES_BIT(RES4330_OTP_PU);
+ /* CBUCK Voltage is 1.8 by default and set that to 1.5 */
+ si_pmu_set_ldo_voltage(sih, SET_LDO_VOLTAGE_CBUCK_PWM, 0);
break;
default:
break;
}
-
- if (rsrcs != 0) {
- u32 otps;
-
- /* Figure out the dependancies (exclude min_res_mask) */
- u32 deps = si_pmu_res_deps(sih, cc, rsrcs, true);
- u32 min_mask = 0, max_mask = 0;
- si_pmu_res_masks(sih, &min_mask, &max_mask);
- deps &= ~min_mask;
- /* Turn on/off the power */
- if (on) {
- PMU_MSG(("Adding rsrc 0x%x to min_res_mask\n",
- rsrcs | deps));
- OR_REG(&cc->min_res_mask, (rsrcs | deps));
- SPINWAIT(!(R_REG(&cc->res_state) & rsrcs),
- PMU_MAX_TRANSITION_DLY);
- } else {
- PMU_MSG(("Removing rsrc 0x%x from min_res_mask\n",
- rsrcs | deps));
- AND_REG(&cc->min_res_mask, ~(rsrcs | deps));
- }
-
- SPINWAIT((((otps = R_REG(&cc->otpstatus)) & OTPS_READY) !=
- (on ? OTPS_READY : 0)), 100);
- if ((otps & OTPS_READY) != (on ? OTPS_READY : 0))
- PMU_MSG(("OTP ready bit not %s after wait\n",
- (on ? "ON" : "OFF")));
- }
-
- /* Return to original core */
- si_setcoreidx(sih, origidx);
-}
-
-void si_pmu_spuravoid(si_t *sih, u8 spuravoid)
-{
- chipcregs_t *cc;
- uint origidx, intr_val;
- u32 tmp = 0;
-
- /* Remember original core before switch to chipc */
- cc = (chipcregs_t *) si_switch_core(sih, CC_CORE_ID, &origidx,
- &intr_val);
-
- /* force the HT off */
- if (sih->chip == BCM4336_CHIP_ID) {
- tmp = R_REG(&cc->max_res_mask);
- tmp &= ~RES4336_HT_AVAIL;
- W_REG(&cc->max_res_mask, tmp);
- /* wait for the ht to really go away */
- SPINWAIT(((R_REG(&cc->clk_ctl_st) & CCS_HTAVAIL) == 0),
- 10000);
- }
-
- /* update the pll changes */
- si_pmu_spuravoid_pllupdate(sih, cc, spuravoid);
-
- /* enable HT back on */
- if (sih->chip == BCM4336_CHIP_ID) {
- tmp = R_REG(&cc->max_res_mask);
- tmp |= RES4336_HT_AVAIL;
- W_REG(&cc->max_res_mask, tmp);
- }
-
- /* Return to original core */
- si_restore_core(sih, origidx, intr_val);
}
-static void
-si_pmu_spuravoid_pllupdate(si_t *sih, chipcregs_t *cc, u8 spuravoid)
-{
- u32 tmp = 0;
- u8 phypll_offset = 0;
- u8 bcm5357_bcm43236_p1div[] = { 0x1, 0x5, 0x5 };
- u8 bcm5357_bcm43236_ndiv[] = { 0x30, 0xf6, 0xfc };
+/* initialize PLL */
+void si_pmu_pll_init(si_t *sih, uint xtalfreq)
+{
+ chipcregs_t *cc;
+ uint origidx;
+
+
+ /* Remember original core before switch to chipc */
+ origidx = ai_coreidx(sih);
+ cc = si_setcoreidx(sih, SI_CC_IDX);
switch (sih->chip) {
- case BCM5357_CHIP_ID:
+ case BCM4329_CHIP_ID:
+ if (xtalfreq == 0)
+ xtalfreq = 38400;
+ si_pmu1_pllinit0(sih, cc, xtalfreq);
+ break;
+ case BCM4313_CHIP_ID:
+ case BCM43224_CHIP_ID:
+ case BCM43225_CHIP_ID:
+ case BCM43421_CHIP_ID:
case BCM43235_CHIP_ID:
case BCM43236_CHIP_ID:
case BCM43238_CHIP_ID:
+ case BCM4331_CHIP_ID:
+ case BCM6362_CHIP_ID:
+ /* ??? */
+ break;
+ case BCM4319_CHIP_ID:
+ case BCM4336_CHIP_ID:
+ case BCM4330_CHIP_ID:
+ si_pmu1_pllinit0(sih, cc, xtalfreq);
+ break;
+ default:
+ break;
+ }
- /* BCM5357 needs to touch PLL1_PLLCTL[02], so offset PLL0_PLLCTL[02] by 6 */
- phypll_offset = (sih->chip == BCM5357_CHIP_ID) ? 6 : 0;
+ /* Return to original core */
+ si_setcoreidx(sih, origidx);
+}
- /* RMW only the P1 divider */
- W_REG(&cc->pllcontrol_addr,
- PMU1_PLL0_PLLCTL0 + phypll_offset);
- tmp = R_REG(&cc->pllcontrol_data);
- tmp &= (~(PMU1_PLL0_PC0_P1DIV_MASK));
- tmp |=
- (bcm5357_bcm43236_p1div[spuravoid] <<
- PMU1_PLL0_PC0_P1DIV_SHIFT);
- W_REG(&cc->pllcontrol_data, tmp);
+/* initialize PMU resources */
+void si_pmu_res_init(si_t *sih)
+{
+ chipcregs_t *cc;
+ uint origidx;
+ const pmu_res_updown_t *pmu_res_updown_table = NULL;
+ uint pmu_res_updown_table_sz = 0;
+ const pmu_res_depend_t *pmu_res_depend_table = NULL;
+ uint pmu_res_depend_table_sz = 0;
+ u32 min_mask = 0, max_mask = 0;
+ char name[8], *val;
+ uint i, rsrcs;
- /* RMW only the int feedback divider */
- W_REG(&cc->pllcontrol_addr,
- PMU1_PLL0_PLLCTL2 + phypll_offset);
- tmp = R_REG(&cc->pllcontrol_data);
- tmp &= ~(PMU1_PLL0_PC2_NDIV_INT_MASK);
- tmp |=
- (bcm5357_bcm43236_ndiv[spuravoid]) <<
- PMU1_PLL0_PC2_NDIV_INT_SHIFT;
- W_REG(&cc->pllcontrol_data, tmp);
+ /* Remember original core before switch to chipc */
+ origidx = ai_coreidx(sih);
+ cc = si_setcoreidx(sih, SI_CC_IDX);
- tmp = 1 << 10;
+ switch (sih->chip) {
+ case BCM4329_CHIP_ID:
+ /* Optimize resources up/down timers */
+ if (ISSIM_ENAB(sih)) {
+ pmu_res_updown_table = NULL;
+ pmu_res_updown_table_sz = 0;
+ } else {
+ pmu_res_updown_table = bcm4329_res_updown;
+ pmu_res_updown_table_sz = ARRAY_SIZE(bcm4329_res_updown);
+ }
+ /* Optimize resources dependencies */
+ pmu_res_depend_table = bcm4329_res_depend;
+ pmu_res_depend_table_sz = ARRAY_SIZE(bcm4329_res_depend);
break;
- case BCM4331_CHIP_ID:
- if (spuravoid == 2) {
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0);
- W_REG(&cc->pllcontrol_data, 0x11500014);
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2);
- W_REG(&cc->pllcontrol_data, 0x0FC00a08);
- } else if (spuravoid == 1) {
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0);
- W_REG(&cc->pllcontrol_data, 0x11500014);
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2);
- W_REG(&cc->pllcontrol_data, 0x0F600a08);
+ case BCM4319_CHIP_ID:
+ /* Optimize resources up/down timers */
+ if (ISSIM_ENAB(sih)) {
+ pmu_res_updown_table = bcm4319a0_res_updown_qt;
+ pmu_res_updown_table_sz =
+ ARRAY_SIZE(bcm4319a0_res_updown_qt);
} else {
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0);
- W_REG(&cc->pllcontrol_data, 0x11100014);
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2);
- W_REG(&cc->pllcontrol_data, 0x03000a08);
+ pmu_res_updown_table = bcm4319a0_res_updown;
+ pmu_res_updown_table_sz =
+ ARRAY_SIZE(bcm4319a0_res_updown);
}
- tmp = 1 << 10;
+ /* Optimize resources dependancies masks */
+ pmu_res_depend_table = bcm4319a0_res_depend;
+ pmu_res_depend_table_sz = ARRAY_SIZE(bcm4319a0_res_depend);
break;
- case BCM43224_CHIP_ID:
- case BCM43225_CHIP_ID:
- case BCM43421_CHIP_ID:
- case BCM6362_CHIP_ID:
- if (spuravoid == 1) {
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0);
- W_REG(&cc->pllcontrol_data, 0x11500010);
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL1);
- W_REG(&cc->pllcontrol_data, 0x000C0C06);
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2);
- W_REG(&cc->pllcontrol_data, 0x0F600a08);
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL3);
- W_REG(&cc->pllcontrol_data, 0x00000000);
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL4);
- W_REG(&cc->pllcontrol_data, 0x2001E920);
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL5);
- W_REG(&cc->pllcontrol_data, 0x88888815);
+ case BCM4336_CHIP_ID:
+ /* Optimize resources up/down timers */
+ if (ISSIM_ENAB(sih)) {
+ pmu_res_updown_table = bcm4336a0_res_updown_qt;
+ pmu_res_updown_table_sz =
+ ARRAY_SIZE(bcm4336a0_res_updown_qt);
} else {
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0);
- W_REG(&cc->pllcontrol_data, 0x11100010);
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL1);
- W_REG(&cc->pllcontrol_data, 0x000c0c06);
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2);
- W_REG(&cc->pllcontrol_data, 0x03000a08);
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL3);
- W_REG(&cc->pllcontrol_data, 0x00000000);
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL4);
- W_REG(&cc->pllcontrol_data, 0x200005c0);
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL5);
- W_REG(&cc->pllcontrol_data, 0x88888815);
+ pmu_res_updown_table = bcm4336a0_res_updown;
+ pmu_res_updown_table_sz =
+ ARRAY_SIZE(bcm4336a0_res_updown);
}
- tmp = 1 << 10;
+ /* Optimize resources dependancies masks */
+ pmu_res_depend_table = bcm4336a0_res_depend;
+ pmu_res_depend_table_sz = ARRAY_SIZE(bcm4336a0_res_depend);
break;
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0);
- W_REG(&cc->pllcontrol_data, 0x11100008);
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL1);
- W_REG(&cc->pllcontrol_data, 0x0c000c06);
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2);
- W_REG(&cc->pllcontrol_data, 0x03000a08);
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL3);
- W_REG(&cc->pllcontrol_data, 0x00000000);
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL4);
- W_REG(&cc->pllcontrol_data, 0x200005c0);
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL5);
- W_REG(&cc->pllcontrol_data, 0x88888855);
+ case BCM4330_CHIP_ID:
+ /* Optimize resources up/down timers */
+ if (ISSIM_ENAB(sih)) {
+ pmu_res_updown_table = bcm4330a0_res_updown_qt;
+ pmu_res_updown_table_sz =
+ ARRAY_SIZE(bcm4330a0_res_updown_qt);
+ } else {
+ pmu_res_updown_table = bcm4330a0_res_updown;
+ pmu_res_updown_table_sz =
+ ARRAY_SIZE(bcm4330a0_res_updown);
+ }
+ /* Optimize resources dependancies masks */
+ pmu_res_depend_table = bcm4330a0_res_depend;
+ pmu_res_depend_table_sz = ARRAY_SIZE(bcm4330a0_res_depend);
+ break;
+
+ default:
+ break;
+ }
+
+ /* # resources */
+ rsrcs = (sih->pmucaps & PCAP_RC_MASK) >> PCAP_RC_SHIFT;
+
+ /* Program up/down timers */
+ while (pmu_res_updown_table_sz--) {
+ W_REG(&cc->res_table_sel,
+ pmu_res_updown_table[pmu_res_updown_table_sz].resnum);
+ W_REG(&cc->res_updn_timer,
+ pmu_res_updown_table[pmu_res_updown_table_sz].updown);
+ }
+ /* Apply nvram overrides to up/down timers */
+ for (i = 0; i < rsrcs; i++) {
+ snprintf(name, sizeof(name), "r%dt", i);
+ val = getvar(NULL, name);
+ if (val == NULL)
+ continue;
+ W_REG(&cc->res_table_sel, (u32) i);
+ W_REG(&cc->res_updn_timer,
+ (u32) simple_strtoul(val, NULL, 0));
+ }
+
+ /* Program resource dependencies table */
+ while (pmu_res_depend_table_sz--) {
+ if (pmu_res_depend_table[pmu_res_depend_table_sz].filter != NULL
+ && !(pmu_res_depend_table[pmu_res_depend_table_sz].
+ filter) (sih))
+ continue;
+ for (i = 0; i < rsrcs; i++) {
+ if ((pmu_res_depend_table[pmu_res_depend_table_sz].
+ res_mask & PMURES_BIT(i)) == 0)
+ continue;
+ W_REG(&cc->res_table_sel, i);
+ switch (pmu_res_depend_table[pmu_res_depend_table_sz].
+ action) {
+ case RES_DEPEND_SET:
+ W_REG(&cc->res_dep_mask,
+ pmu_res_depend_table
+ [pmu_res_depend_table_sz].depend_mask);
+ break;
+ case RES_DEPEND_ADD:
+ OR_REG(&cc->res_dep_mask,
+ pmu_res_depend_table
+ [pmu_res_depend_table_sz].depend_mask);
+ break;
+ case RES_DEPEND_REMOVE:
+ AND_REG(&cc->res_dep_mask,
+ ~pmu_res_depend_table
+ [pmu_res_depend_table_sz].depend_mask);
+ break;
+ default:
+ ASSERT(0);
+ break;
+ }
+ }
+ }
+ /* Apply nvram overrides to dependancies masks */
+ for (i = 0; i < rsrcs; i++) {
+ snprintf(name, sizeof(name), "r%dd", i);
+ val = getvar(NULL, name);
+ if (val == NULL)
+ continue;
+ W_REG(&cc->res_table_sel, (u32) i);
+ W_REG(&cc->res_dep_mask,
+ (u32) simple_strtoul(val, NULL, 0));
+ }
+
+ /* Determine min/max rsrc masks */
+ si_pmu_res_masks(sih, &min_mask, &max_mask);
+
+ /* It is required to program max_mask first and then min_mask */
+
+ /* Program max resource mask */
+
+ if (max_mask) {
+ W_REG(&cc->max_res_mask, max_mask);
+ }
- tmp = 1 << 10;
- break;
+ /* Program min resource mask */
- case BCM4716_CHIP_ID:
- case BCM4748_CHIP_ID:
- case BCM47162_CHIP_ID:
- if (spuravoid == 1) {
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0);
- W_REG(&cc->pllcontrol_data, 0x11500060);
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL1);
- W_REG(&cc->pllcontrol_data, 0x080C0C06);
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2);
- W_REG(&cc->pllcontrol_data, 0x0F600000);
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL3);
- W_REG(&cc->pllcontrol_data, 0x00000000);
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL4);
- W_REG(&cc->pllcontrol_data, 0x2001E924);
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL5);
- W_REG(&cc->pllcontrol_data, 0x88888815);
- } else {
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0);
- W_REG(&cc->pllcontrol_data, 0x11100060);
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL1);
- W_REG(&cc->pllcontrol_data, 0x080c0c06);
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2);
- W_REG(&cc->pllcontrol_data, 0x03000000);
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL3);
- W_REG(&cc->pllcontrol_data, 0x00000000);
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL4);
- W_REG(&cc->pllcontrol_data, 0x200005c0);
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL5);
- W_REG(&cc->pllcontrol_data, 0x88888815);
- }
+ if (min_mask) {
+ W_REG(&cc->min_res_mask, min_mask);
+ }
- tmp = 3 << 9;
- break;
+ /* Add some delay; allow resources to come up and settle. */
+ mdelay(2);
- case BCM4319_CHIP_ID:
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0);
- W_REG(&cc->pllcontrol_data, 0x11100070);
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL1);
- W_REG(&cc->pllcontrol_data, 0x1014140a);
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL5);
- W_REG(&cc->pllcontrol_data, 0x88888854);
+ /* Return to original core */
+ si_setcoreidx(sih, origidx);
+}
- if (spuravoid == 1) { /* spur_avoid ON, enable 41/82/164Mhz clock mode */
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2);
- W_REG(&cc->pllcontrol_data, 0x05201828);
- } else { /* enable 40/80/160Mhz clock mode */
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2);
- W_REG(&cc->pllcontrol_data, 0x05001828);
- }
- break;
- case BCM4336_CHIP_ID:
- /* Looks like these are only for default xtal freq 26MHz */
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0);
- W_REG(&cc->pllcontrol_data, 0x02100020);
+u32 si_pmu_measure_alpclk(si_t *sih)
+{
+ chipcregs_t *cc;
+ uint origidx;
+ u32 alp_khz;
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL1);
- W_REG(&cc->pllcontrol_data, 0x0C0C0C0C);
+ if (sih->pmurev < 10)
+ return 0;
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2);
- W_REG(&cc->pllcontrol_data, 0x01240C0C);
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL4);
- W_REG(&cc->pllcontrol_data, 0x202C2820);
+ /* Remember original core before switch to chipc */
+ origidx = ai_coreidx(sih);
+ cc = si_setcoreidx(sih, SI_CC_IDX);
+ ASSERT(cc != NULL);
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL5);
- W_REG(&cc->pllcontrol_data, 0x88888825);
+ if (R_REG(&cc->pmustatus) & PST_EXTLPOAVAIL) {
+ u32 ilp_ctr, alp_hz;
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL3);
- if (spuravoid == 1) {
- W_REG(&cc->pllcontrol_data, 0x00EC4EC4);
- } else {
- W_REG(&cc->pllcontrol_data, 0x00762762);
- }
+ /* Enable the reg to measure the freq, in case disabled before */
+ W_REG(&cc->pmu_xtalfreq,
+ 1U << PMU_XTALFREQ_REG_MEASURE_SHIFT);
- tmp = PCTL_PLL_PLLCTL_UPD;
- break;
+ /* Delay for well over 4 ILP clocks */
+ udelay(1000);
- default:
- PMU_ERROR(("%s: unknown spuravoidance settings for chip %s, not changing PLL\n", __func__, bcm_chipname(sih->chip, chn, 8)));
- break;
- }
+ /* Read the latched number of ALP ticks per 4 ILP ticks */
+ ilp_ctr =
+ R_REG(&cc->pmu_xtalfreq) & PMU_XTALFREQ_REG_ILPCTR_MASK;
- tmp |= R_REG(&cc->pmucontrol);
- W_REG(&cc->pmucontrol, tmp);
+ /* Turn off the PMU_XTALFREQ_REG_MEASURE_SHIFT bit to save power */
+ W_REG(&cc->pmu_xtalfreq, 0);
+
+ /* Calculate ALP frequency */
+ alp_hz = (ilp_ctr * EXT_ILP_HZ) / 4;
+
+ /* Round to nearest 100KHz, and at the same time convert to KHz */
+ alp_khz = (alp_hz + 50000) / 100000 * 100;
+ } else
+ alp_khz = 0;
+
+ /* Return to original core */
+ si_setcoreidx(sih, origidx);
+
+ return alp_khz;
}
bool si_pmu_is_otp_powered(si_t *sih)
bool st;
/* Remember original core before switch to chipc */
- idx = si_coreidx(sih);
+ idx = ai_coreidx(sih);
cc = si_setcoreidx(sih, SI_CC_IDX);
switch (sih->chip) {
return st;
}
-void si_pmu_sprom_enable(si_t *sih, bool enable)
+/* power up/down OTP through PMU resources */
+void si_pmu_otp_power(si_t *sih, bool on)
{
chipcregs_t *cc;
uint origidx;
+ u32 rsrcs = 0; /* rsrcs to turn on/off OTP power */
+
+ /* Don't do anything if OTP is disabled */
+ if (si_is_otp_disabled(sih)) {
+ return;
+ }
/* Remember original core before switch to chipc */
- origidx = si_coreidx(sih);
+ origidx = ai_coreidx(sih);
cc = si_setcoreidx(sih, SI_CC_IDX);
- /* Return to original core */
- si_setcoreidx(sih, origidx);
-}
-
-/* initialize PMU chip controls and other chip level stuff */
-void si_pmu_chip_init(si_t *sih)
-{
- uint origidx;
-
- /* Gate off SPROM clock and chip select signals */
- si_pmu_sprom_enable(sih, false);
-
- /* Remember original core */
- origidx = si_coreidx(sih);
-
- /* Return to original core */
- si_setcoreidx(sih, origidx);
-}
-
-/* initialize PMU switch/regulators */
-void si_pmu_swreg_init(si_t *sih)
-{
switch (sih->chip) {
+ case BCM4329_CHIP_ID:
+ rsrcs = PMURES_BIT(RES4329_OTP_PU);
+ break;
+ case BCM4319_CHIP_ID:
+ rsrcs = PMURES_BIT(RES4319_OTP_PU);
+ break;
case BCM4336_CHIP_ID:
- /* Reduce CLDO PWM output voltage to 1.2V */
- si_pmu_set_ldo_voltage(sih, SET_LDO_VOLTAGE_CLDO_PWM, 0xe);
- /* Reduce CLDO BURST output voltage to 1.2V */
- si_pmu_set_ldo_voltage(sih, SET_LDO_VOLTAGE_CLDO_BURST,
- 0xe);
- /* Reduce LNLDO1 output voltage to 1.2V */
- si_pmu_set_ldo_voltage(sih, SET_LDO_VOLTAGE_LNLDO1, 0xe);
- if (sih->chiprev == 0)
- si_pmu_regcontrol(sih, 2, 0x400000, 0x400000);
+ rsrcs = PMURES_BIT(RES4336_OTP_PU);
break;
-
case BCM4330_CHIP_ID:
- /* CBUCK Voltage is 1.8 by default and set that to 1.5 */
- si_pmu_set_ldo_voltage(sih, SET_LDO_VOLTAGE_CBUCK_PWM, 0);
+ rsrcs = PMURES_BIT(RES4330_OTP_PU);
break;
default:
break;
}
-}
-
-/*
- * Measures the ALP clock frequency in KHz. Returns 0 if not possible.
- * Possible only if PMU rev >= 10 and there is an external LPO 32768Hz crystal.
- */
-
-#define EXT_ILP_HZ 32768
-
-u32 si_pmu_measure_alpclk(si_t *sih)
-{
- chipcregs_t *cc;
- uint origidx;
- u32 alp_khz;
-
- if (sih->pmurev < 10)
- return 0;
-
- /* Remember original core before switch to chipc */
- origidx = si_coreidx(sih);
- cc = si_setcoreidx(sih, SI_CC_IDX);
-
- if (R_REG(&cc->pmustatus) & PST_EXTLPOAVAIL) {
- u32 ilp_ctr, alp_hz;
-
- /* Enable the reg to measure the freq, in case disabled before */
- W_REG(&cc->pmu_xtalfreq,
- 1U << PMU_XTALFREQ_REG_MEASURE_SHIFT);
-
- /* Delay for well over 4 ILP clocks */
- udelay(1000);
-
- /* Read the latched number of ALP ticks per 4 ILP ticks */
- ilp_ctr =
- R_REG(&cc->pmu_xtalfreq) & PMU_XTALFREQ_REG_ILPCTR_MASK;
- /* Turn off the PMU_XTALFREQ_REG_MEASURE_SHIFT bit to save power */
- W_REG(&cc->pmu_xtalfreq, 0);
+ if (rsrcs != 0) {
+ u32 otps;
- /* Calculate ALP frequency */
- alp_hz = (ilp_ctr * EXT_ILP_HZ) / 4;
+ /* Figure out the dependancies (exclude min_res_mask) */
+ u32 deps = si_pmu_res_deps(sih, cc, rsrcs, true);
+ u32 min_mask = 0, max_mask = 0;
+ si_pmu_res_masks(sih, &min_mask, &max_mask);
+ deps &= ~min_mask;
+ /* Turn on/off the power */
+ if (on) {
+ OR_REG(&cc->min_res_mask, (rsrcs | deps));
+ SPINWAIT(!(R_REG(&cc->res_state) & rsrcs),
+ PMU_MAX_TRANSITION_DLY);
+ } else {
+ AND_REG(&cc->min_res_mask, ~(rsrcs | deps));
+ }
- /* Round to nearest 100KHz, and at the same time convert to KHz */
- alp_khz = (alp_hz + 50000) / 100000 * 100;
- } else
- alp_khz = 0;
+ SPINWAIT((((otps = R_REG(&cc->otpstatus)) & OTPS_READY) !=
+ (on ? OTPS_READY : 0)), 100);
+ }
/* Return to original core */
si_setcoreidx(sih, origidx);
-
- return alp_khz;
-}
-
-static void si_pmu_set_4330_plldivs(si_t *sih)
-{
- u32 FVCO = si_pmu1_pllfvco0(sih) / 1000;
- u32 m1div, m2div, m3div, m4div, m5div, m6div;
- u32 pllc1, pllc2;
-
- m2div = m3div = m4div = m6div = FVCO / 80;
- m5div = FVCO / 160;
-
- if (CST4330_CHIPMODE_SDIOD(sih->chipst))
- m1div = FVCO / 80;
- else
- m1div = FVCO / 90;
- pllc1 =
- (m1div << PMU1_PLL0_PC1_M1DIV_SHIFT) | (m2div <<
- PMU1_PLL0_PC1_M2DIV_SHIFT) |
- (m3div << PMU1_PLL0_PC1_M3DIV_SHIFT) | (m4div <<
- PMU1_PLL0_PC1_M4DIV_SHIFT);
- si_pmu_pllcontrol(sih, PMU1_PLL0_PLLCTL1, ~0, pllc1);
-
- pllc2 = si_pmu_pllcontrol(sih, PMU1_PLL0_PLLCTL1, 0, 0);
- pllc2 &= ~(PMU1_PLL0_PC2_M5DIV_MASK | PMU1_PLL0_PC2_M6DIV_MASK);
- pllc2 |=
- ((m5div << PMU1_PLL0_PC2_M5DIV_SHIFT) |
- (m6div << PMU1_PLL0_PC2_M6DIV_SHIFT));
- si_pmu_pllcontrol(sih, PMU1_PLL0_PLLCTL2, ~0, pllc2);
}
--- /dev/null
+/*
+ * Copyright (c) 2011 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _aiutils_h_
+#define _aiutils_h_
+
+/* cpp contortions to concatenate w/arg prescan */
+#ifndef PAD
+#define _PADLINE(line) pad ## line
+#define _XSTR(line) _PADLINE(line)
+#define PAD _XSTR(__LINE__)
+#endif
+
+/* Include the soci specific files */
+#include <aidmp.h>
+
+/*
+ * SOC Interconnect Address Map.
+ * All regions may not exist on all chips.
+ */
+/* Physical SDRAM */
+#define SI_SDRAM_BASE 0x00000000
+/* Host Mode sb2pcitranslation0 (64 MB) */
+#define SI_PCI_MEM 0x08000000
+#define SI_PCI_MEM_SZ (64 * 1024 * 1024)
+/* Host Mode sb2pcitranslation1 (64 MB) */
+#define SI_PCI_CFG 0x0c000000
+/* Byteswapped Physical SDRAM */
+#define SI_SDRAM_SWAPPED 0x10000000
+/* Region 2 for sdram (512 MB) */
+#define SI_SDRAM_R2 0x80000000
+
+#ifdef SI_ENUM_BASE_VARIABLE
+#define SI_ENUM_BASE (sii->pub.si_enum_base)
+#else
+#define SI_ENUM_BASE 0x18000000 /* Enumeration space base */
+#endif /* SI_ENUM_BASE_VARIABLE */
+
+/* Wrapper space base */
+#define SI_WRAP_BASE 0x18100000
+/* each core gets 4Kbytes for registers */
+#define SI_CORE_SIZE 0x1000
+/*
+ * Max cores (this is arbitrary, for software
+ * convenience and could be changed if we
+ * make any larger chips
+ */
+#define SI_MAXCORES 16
+
+/* On-chip RAM on chips that also have DDR */
+#define SI_FASTRAM 0x19000000
+#define SI_FASTRAM_SWAPPED 0x19800000
+
+/* Flash Region 2 (region 1 shadowed here) */
+#define SI_FLASH2 0x1c000000
+/* Size of Flash Region 2 */
+#define SI_FLASH2_SZ 0x02000000
+/* ARM Cortex-M3 ROM */
+#define SI_ARMCM3_ROM 0x1e000000
+/* MIPS Flash Region 1 */
+#define SI_FLASH1 0x1fc00000
+/* MIPS Size of Flash Region 1 */
+#define SI_FLASH1_SZ 0x00400000
+/* ARM7TDMI-S ROM */
+#define SI_ARM7S_ROM 0x20000000
+/* ARM Cortex-M3 SRAM Region 2 */
+#define SI_ARMCM3_SRAM2 0x60000000
+/* ARM7TDMI-S SRAM Region 2 */
+#define SI_ARM7S_SRAM2 0x80000000
+/* ARM Flash Region 1 */
+#define SI_ARM_FLASH1 0xffff0000
+/* ARM Size of Flash Region 1 */
+#define SI_ARM_FLASH1_SZ 0x00010000
+
+/* Client Mode sb2pcitranslation2 (1 GB) */
+#define SI_PCI_DMA 0x40000000
+/* Client Mode sb2pcitranslation2 (1 GB) */
+#define SI_PCI_DMA2 0x80000000
+/* Client Mode sb2pcitranslation2 size in bytes */
+#define SI_PCI_DMA_SZ 0x40000000
+/* PCIE Client Mode sb2pcitranslation2 (2 ZettaBytes), low 32 bits */
+#define SI_PCIE_DMA_L32 0x00000000
+/* PCIE Client Mode sb2pcitranslation2 (2 ZettaBytes), high 32 bits */
+#define SI_PCIE_DMA_H32 0x80000000
+
+/* core codes */
+#define NODEV_CORE_ID 0x700 /* Invalid coreid */
+#define CC_CORE_ID 0x800 /* chipcommon core */
+#define ILINE20_CORE_ID 0x801 /* iline20 core */
+#define SRAM_CORE_ID 0x802 /* sram core */
+#define SDRAM_CORE_ID 0x803 /* sdram core */
+#define PCI_CORE_ID 0x804 /* pci core */
+#define MIPS_CORE_ID 0x805 /* mips core */
+#define ENET_CORE_ID 0x806 /* enet mac core */
+#define CODEC_CORE_ID 0x807 /* v90 codec core */
+#define USB_CORE_ID 0x808 /* usb 1.1 host/device core */
+#define ADSL_CORE_ID 0x809 /* ADSL core */
+#define ILINE100_CORE_ID 0x80a /* iline100 core */
+#define IPSEC_CORE_ID 0x80b /* ipsec core */
+#define UTOPIA_CORE_ID 0x80c /* utopia core */
+#define PCMCIA_CORE_ID 0x80d /* pcmcia core */
+#define SOCRAM_CORE_ID 0x80e /* internal memory core */
+#define MEMC_CORE_ID 0x80f /* memc sdram core */
+#define OFDM_CORE_ID 0x810 /* OFDM phy core */
+#define EXTIF_CORE_ID 0x811 /* external interface core */
+#define D11_CORE_ID 0x812 /* 802.11 MAC core */
+#define APHY_CORE_ID 0x813 /* 802.11a phy core */
+#define BPHY_CORE_ID 0x814 /* 802.11b phy core */
+#define GPHY_CORE_ID 0x815 /* 802.11g phy core */
+#define MIPS33_CORE_ID 0x816 /* mips3302 core */
+#define USB11H_CORE_ID 0x817 /* usb 1.1 host core */
+#define USB11D_CORE_ID 0x818 /* usb 1.1 device core */
+#define USB20H_CORE_ID 0x819 /* usb 2.0 host core */
+#define USB20D_CORE_ID 0x81a /* usb 2.0 device core */
+#define SDIOH_CORE_ID 0x81b /* sdio host core */
+#define ROBO_CORE_ID 0x81c /* roboswitch core */
+#define ATA100_CORE_ID 0x81d /* parallel ATA core */
+#define SATAXOR_CORE_ID 0x81e /* serial ATA & XOR DMA core */
+#define GIGETH_CORE_ID 0x81f /* gigabit ethernet core */
+#define PCIE_CORE_ID 0x820 /* pci express core */
+#define NPHY_CORE_ID 0x821 /* 802.11n 2x2 phy core */
+#define SRAMC_CORE_ID 0x822 /* SRAM controller core */
+#define MINIMAC_CORE_ID 0x823 /* MINI MAC/phy core */
+#define ARM11_CORE_ID 0x824 /* ARM 1176 core */
+#define ARM7S_CORE_ID 0x825 /* ARM7tdmi-s core */
+#define LPPHY_CORE_ID 0x826 /* 802.11a/b/g phy core */
+#define PMU_CORE_ID 0x827 /* PMU core */
+#define SSNPHY_CORE_ID 0x828 /* 802.11n single-stream phy core */
+#define SDIOD_CORE_ID 0x829 /* SDIO device core */
+#define ARMCM3_CORE_ID 0x82a /* ARM Cortex M3 core */
+#define HTPHY_CORE_ID 0x82b /* 802.11n 4x4 phy core */
+#define MIPS74K_CORE_ID 0x82c /* mips 74k core */
+#define GMAC_CORE_ID 0x82d /* Gigabit MAC core */
+#define DMEMC_CORE_ID 0x82e /* DDR1/2 memory controller core */
+#define PCIERC_CORE_ID 0x82f /* PCIE Root Complex core */
+#define OCP_CORE_ID 0x830 /* OCP2OCP bridge core */
+#define SC_CORE_ID 0x831 /* shared common core */
+#define AHB_CORE_ID 0x832 /* OCP2AHB bridge core */
+#define SPIH_CORE_ID 0x833 /* SPI host core */
+#define I2S_CORE_ID 0x834 /* I2S core */
+#define DMEMS_CORE_ID 0x835 /* SDR/DDR1 memory controller core */
+#define DEF_SHIM_COMP 0x837 /* SHIM component in ubus/6362 */
+#define OOB_ROUTER_CORE_ID 0x367 /* OOB router core ID */
+#define DEF_AI_COMP 0xfff /* Default component, in ai chips it
+ * maps all unused address ranges
+ */
+
+/* There are TWO constants on all HND chips: SI_ENUM_BASE above,
+ * and chipcommon being the first core:
+ */
+#define SI_CC_IDX 0
+
+/* SOC Interconnect types (aka chip types) */
+#define SOCI_AI 1
+
+/* Common core control flags */
+#define SICF_BIST_EN 0x8000
+#define SICF_PME_EN 0x4000
+#define SICF_CORE_BITS 0x3ffc
+#define SICF_FGC 0x0002
+#define SICF_CLOCK_EN 0x0001
+
+/* Common core status flags */
+#define SISF_BIST_DONE 0x8000
+#define SISF_BIST_ERROR 0x4000
+#define SISF_GATED_CLK 0x2000
+#define SISF_DMA64 0x1000
+#define SISF_CORE_BITS 0x0fff
+
+/* A register that is common to all cores to
+ * communicate w/PMU regarding clock control.
+ */
+#define SI_CLK_CTL_ST 0x1e0 /* clock control and status */
+
+/* clk_ctl_st register */
+#define CCS_FORCEALP 0x00000001 /* force ALP request */
+#define CCS_FORCEHT 0x00000002 /* force HT request */
+#define CCS_FORCEILP 0x00000004 /* force ILP request */
+#define CCS_ALPAREQ 0x00000008 /* ALP Avail Request */
+#define CCS_HTAREQ 0x00000010 /* HT Avail Request */
+#define CCS_FORCEHWREQOFF 0x00000020 /* Force HW Clock Request Off */
+#define CCS_ERSRC_REQ_MASK 0x00000700 /* external resource requests */
+#define CCS_ERSRC_REQ_SHIFT 8
+#define CCS_ALPAVAIL 0x00010000 /* ALP is available */
+#define CCS_HTAVAIL 0x00020000 /* HT is available */
+#define CCS_BP_ON_APL 0x00040000 /* RO: running on ALP clock */
+#define CCS_BP_ON_HT 0x00080000 /* RO: running on HT clock */
+#define CCS_ERSRC_STS_MASK 0x07000000 /* external resource status */
+#define CCS_ERSRC_STS_SHIFT 24
+
+/* HT avail in chipc and pcmcia on 4328a0 */
+#define CCS0_HTAVAIL 0x00010000
+/* ALP avail in chipc and pcmcia on 4328a0 */
+#define CCS0_ALPAVAIL 0x00020000
+
+/* Not really related to SOC Interconnect, but a couple of software
+ * conventions for the use the flash space:
+ */
+
+/* Minumum amount of flash we support */
+#define FLASH_MIN 0x00020000 /* Minimum flash size */
+
+/* A boot/binary may have an embedded block that describes its size */
+#define BISZ_OFFSET 0x3e0 /* At this offset into the binary */
+#define BISZ_MAGIC 0x4249535a /* Marked with value: 'BISZ' */
+#define BISZ_MAGIC_IDX 0 /* Word 0: magic */
+#define BISZ_TXTST_IDX 1 /* 1: text start */
+#define BISZ_TXTEND_IDX 2 /* 2: text end */
+#define BISZ_DATAST_IDX 3 /* 3: data start */
+#define BISZ_DATAEND_IDX 4 /* 4: data end */
+#define BISZ_BSSST_IDX 5 /* 5: bss start */
+#define BISZ_BSSEND_IDX 6 /* 6: bss end */
+#define BISZ_SIZE 7 /* descriptor size in 32-bit integers */
+
+#define SI_INFO(sih) (si_info_t *)sih
+
+#define GOODCOREADDR(x, b) \
+ (((x) >= (b)) && ((x) < ((b) + SI_MAXCORES * SI_CORE_SIZE)) && \
+ IS_ALIGNED((x), SI_CORE_SIZE))
+#define GOODREGS(regs) \
+ ((regs) != NULL && IS_ALIGNED((unsigned long)(regs), SI_CORE_SIZE))
+#define BADCOREADDR 0
+#define GOODIDX(idx) (((uint)idx) < SI_MAXCORES)
+#define NOREV -1 /* Invalid rev */
+
+/* Newer chips can access PCI/PCIE and CC core without requiring to change
+ * PCI BAR0 WIN
+ */
+#define SI_FAST(si) (((si)->pub.buscoretype == PCIE_CORE_ID) || \
+ (((si)->pub.buscoretype == PCI_CORE_ID) && \
+ (si)->pub.buscorerev >= 13))
+
+#define PCIEREGS(si) (((char *)((si)->curmap) + PCI_16KB0_PCIREGS_OFFSET))
+#define CCREGS_FAST(si) (((char *)((si)->curmap) + PCI_16KB0_CCREGS_OFFSET))
+
+/*
+ * Macros to disable/restore function core(D11, ENET, ILINE20, etc) interrupts
+ * before after core switching to avoid invalid register accesss inside ISR.
+ */
+#define INTR_OFF(si, intr_val) \
+ if ((si)->intrsoff_fn && \
+ (si)->coreid[(si)->curidx] == (si)->dev_coreid) \
+ intr_val = (*(si)->intrsoff_fn)((si)->intr_arg)
+#define INTR_RESTORE(si, intr_val) \
+ if ((si)->intrsrestore_fn && \
+ (si)->coreid[(si)->curidx] == (si)->dev_coreid) \
+ (*(si)->intrsrestore_fn)((si)->intr_arg, intr_val)
+
+/* dynamic clock control defines */
+#define LPOMINFREQ 25000 /* low power oscillator min */
+#define LPOMAXFREQ 43000 /* low power oscillator max */
+#define XTALMINFREQ 19800000 /* 20 MHz - 1% */
+#define XTALMAXFREQ 20200000 /* 20 MHz + 1% */
+#define PCIMINFREQ 25000000 /* 25 MHz */
+#define PCIMAXFREQ 34000000 /* 33 MHz + fudge */
+
+#define ILP_DIV_5MHZ 0 /* ILP = 5 MHz */
+#define ILP_DIV_1MHZ 4 /* ILP = 1 MHz */
+
+#define PCI(si) (((si)->pub.bustype == PCI_BUS) && \
+ ((si)->pub.buscoretype == PCI_CORE_ID))
+#define PCIE(si) (((si)->pub.bustype == PCI_BUS) && \
+ ((si)->pub.buscoretype == PCIE_CORE_ID))
+#define PCI_FORCEHT(si) \
+ (PCIE(si) && (si->pub.chip == BCM4716_CHIP_ID))
+
+/* GPIO Based LED powersave defines */
+#define DEFAULT_GPIO_ONTIME 10 /* Default: 10% on */
+#define DEFAULT_GPIO_OFFTIME 90 /* Default: 10% on */
+
+#ifndef DEFAULT_GPIOTIMERVAL
+#define DEFAULT_GPIOTIMERVAL \
+ ((DEFAULT_GPIO_ONTIME << GPIO_ONTIME_SHIFT) | DEFAULT_GPIO_OFFTIME)
+#endif
+
+/*
+ * Data structure to export all chip specific common variables
+ * public (read-only) portion of aiutils handle returned by si_attach()
+ */
+struct si_pub {
+ uint socitype; /* SOCI_SB, SOCI_AI */
+
+ uint bustype; /* SI_BUS, PCI_BUS */
+ uint buscoretype; /* PCI_CORE_ID, PCIE_CORE_ID, PCMCIA_CORE_ID */
+ uint buscorerev; /* buscore rev */
+ uint buscoreidx; /* buscore index */
+ int ccrev; /* chip common core rev */
+ u32 cccaps; /* chip common capabilities */
+ u32 cccaps_ext; /* chip common capabilities extension */
+ int pmurev; /* pmu core rev */
+ u32 pmucaps; /* pmu capabilities */
+ uint boardtype; /* board type */
+ uint boardvendor; /* board vendor */
+ uint boardflags; /* board flags */
+ uint boardflags2; /* board flags2 */
+ uint chip; /* chip number */
+ uint chiprev; /* chip revision */
+ uint chippkg; /* chip package option */
+ u32 chipst; /* chip status */
+ bool issim; /* chip is in simulation or emulation */
+ uint socirev; /* SOC interconnect rev */
+ bool pci_pr32414;
+
+};
+
+/*
+ * for HIGH_ONLY driver, the si_t must be writable to allow states sync from
+ * BMAC to HIGH driver for monolithic driver, it is readonly to prevent accident
+ * change
+ */
+typedef const struct si_pub si_t;
+
+/*
+ * Many of the routines below take an 'sih' handle as their first arg.
+ * Allocate this by calling si_attach(). Free it by calling si_detach().
+ * At any one time, the sih is logically focused on one particular si core
+ * (the "current core").
+ * Use si_setcore() or si_setcoreidx() to change the association to another core
+ */
+
+#define BADIDX (SI_MAXCORES + 1)
+
+/* clkctl xtal what flags */
+#define XTAL 0x1 /* primary crystal oscillator (2050) */
+#define PLL 0x2 /* main chip pll */
+
+/* clkctl clk mode */
+#define CLK_FAST 0 /* force fast (pll) clock */
+#define CLK_DYNAMIC 2 /* enable dynamic clock control */
+
+/* GPIO usage priorities */
+#define GPIO_DRV_PRIORITY 0 /* Driver */
+#define GPIO_APP_PRIORITY 1 /* Application */
+#define GPIO_HI_PRIORITY 2 /* Highest priority. Ignore GPIO
+ * reservation
+ */
+
+/* GPIO pull up/down */
+#define GPIO_PULLUP 0
+#define GPIO_PULLDN 1
+
+/* GPIO event regtype */
+#define GPIO_REGEVT 0 /* GPIO register event */
+#define GPIO_REGEVT_INTMSK 1 /* GPIO register event int mask */
+#define GPIO_REGEVT_INTPOL 2 /* GPIO register event int polarity */
+
+/* device path */
+#define SI_DEVPATH_BUFSZ 16 /* min buffer size in bytes */
+
+/* SI routine enumeration: to be used by update function with multiple hooks */
+#define SI_DOATTACH 1
+#define SI_PCIDOWN 2
+#define SI_PCIUP 3
+
+#define ISSIM_ENAB(sih) 0
+
+/* PMU clock/power control */
+#if defined(BCMPMUCTL)
+#define PMUCTL_ENAB(sih) (BCMPMUCTL)
+#else
+#define PMUCTL_ENAB(sih) ((sih)->cccaps & CC_CAP_PMU)
+#endif
+
+/* chipcommon clock/power control (exclusive with PMU's) */
+#if defined(BCMPMUCTL) && BCMPMUCTL
+#define CCCTL_ENAB(sih) (0)
+#define CCPLL_ENAB(sih) (0)
+#else
+#define CCCTL_ENAB(sih) ((sih)->cccaps & CC_CAP_PWR_CTL)
+#define CCPLL_ENAB(sih) ((sih)->cccaps & CC_CAP_PLL_MASK)
+#endif
+
+typedef void (*gpio_handler_t) (u32 stat, void *arg);
+
+/* External PA enable mask */
+#define GPIO_CTRL_EPA_EN_MASK 0x40
+
+#define SI_ERROR(args)
+
+#ifdef BCMDBG
+#define SI_MSG(args) printk args
+#else
+#define SI_MSG(args)
+#endif /* BCMDBG */
+
+/* Define SI_VMSG to printf for verbose debugging, but don't check it in */
+#define SI_VMSG(args)
+
+#define IS_SIM(chippkg) \
+ ((chippkg == HDLSIM_PKG_ID) || (chippkg == HWSIM_PKG_ID))
+
+typedef u32(*si_intrsoff_t) (void *intr_arg);
+typedef void (*si_intrsrestore_t) (void *intr_arg, u32 arg);
+typedef bool(*si_intrsenabled_t) (void *intr_arg);
+
+typedef struct gpioh_item {
+ void *arg;
+ bool level;
+ gpio_handler_t handler;
+ u32 event;
+ struct gpioh_item *next;
+} gpioh_item_t;
+
+/* misc si info needed by some of the routines */
+typedef struct si_info {
+ struct si_pub pub; /* back plane public state (must be first) */
+ void *pbus; /* handle to bus (pci/sdio/..) */
+ uint dev_coreid; /* the core provides driver functions */
+ void *intr_arg; /* interrupt callback function arg */
+ si_intrsoff_t intrsoff_fn; /* turns chip interrupts off */
+ si_intrsrestore_t intrsrestore_fn; /* restore chip interrupts */
+ si_intrsenabled_t intrsenabled_fn; /* check if interrupts are enabled */
+
+ void *pch; /* PCI/E core handle */
+
+ gpioh_item_t *gpioh_head; /* GPIO event handlers list */
+
+ bool memseg; /* flag to toggle MEM_SEG register */
+
+ char *vars;
+ uint varsz;
+
+ void *curmap; /* current regs va */
+ void *regs[SI_MAXCORES]; /* other regs va */
+
+ uint curidx; /* current core index */
+ uint numcores; /* # discovered cores */
+ uint coreid[SI_MAXCORES]; /* id of each core */
+ u32 coresba[SI_MAXCORES]; /* backplane address of each core */
+ void *regs2[SI_MAXCORES]; /* 2nd virtual address per core (usbh20) */
+ u32 coresba2[SI_MAXCORES]; /* 2nd phys address per core (usbh20) */
+ u32 coresba_size[SI_MAXCORES]; /* backplane address space size */
+ u32 coresba2_size[SI_MAXCORES]; /* second address space size */
+
+ void *curwrap; /* current wrapper va */
+ void *wrappers[SI_MAXCORES]; /* other cores wrapper va */
+ u32 wrapba[SI_MAXCORES]; /* address of controlling wrapper */
+
+ u32 cia[SI_MAXCORES]; /* erom cia entry for each core */
+ u32 cib[SI_MAXCORES]; /* erom cia entry for each core */
+ u32 oob_router; /* oob router registers for axi */
+} si_info_t;
+
+/* AMBA Interconnect exported externs */
+#if 0
+extern si_t *ai_attach(uint pcidev, struct osl_info *osh, void *regs,
+ uint bustype, void *sdh, char **vars, uint *varsz);
+extern si_t *ai_kattach(struct osl_info *osh);
+#endif
+extern void ai_scan(si_t *sih, void *regs, uint devid);
+
+extern uint ai_flag(si_t *sih);
+extern void ai_setint(si_t *sih, int siflag);
+extern uint ai_coreidx(si_t *sih);
+extern uint ai_corevendor(si_t *sih);
+extern uint ai_corerev(si_t *sih);
+extern bool ai_iscoreup(si_t *sih);
+extern void *ai_setcoreidx(si_t *sih, uint coreidx);
+extern u32 ai_core_cflags(si_t *sih, u32 mask, u32 val);
+extern void ai_core_cflags_wo(si_t *sih, u32 mask, u32 val);
+extern u32 ai_core_sflags(si_t *sih, u32 mask, u32 val);
+extern uint ai_corereg(si_t *sih, uint coreidx, uint regoff, uint mask,
+ uint val);
+extern void ai_core_reset(si_t *sih, u32 bits, u32 resetbits);
+extern void ai_core_disable(si_t *sih, u32 bits);
+extern int ai_numaddrspaces(si_t *sih);
+extern u32 ai_addrspace(si_t *sih, uint asidx);
+extern u32 ai_addrspacesize(si_t *sih, uint asidx);
+extern void ai_write_wrap_reg(si_t *sih, u32 offset, u32 val);
+
+/* === exported functions === */
+extern si_t *si_attach(uint pcidev, void *regs, uint bustype,
+ void *sdh, char **vars, uint *varsz);
+
+extern void si_detach(si_t *sih);
+extern bool si_pci_war16165(si_t *sih);
+
+extern uint si_coreid(si_t *sih);
+extern uint si_flag(si_t *sih);
+extern uint si_corerev(si_t *sih);
+struct osl_info *si_osh(si_t *sih);
+extern uint si_corereg(si_t *sih, uint coreidx, uint regoff, uint mask,
+ uint val);
+extern void si_write_wrapperreg(si_t *sih, u32 offset, u32 val);
+extern u32 si_core_cflags(si_t *sih, u32 mask, u32 val);
+extern u32 si_core_sflags(si_t *sih, u32 mask, u32 val);
+extern bool si_iscoreup(si_t *sih);
+extern uint si_findcoreidx(si_t *sih, uint coreid, uint coreunit);
+extern void *si_setcoreidx(si_t *sih, uint coreidx);
+extern void *si_setcore(si_t *sih, uint coreid, uint coreunit);
+extern void *si_switch_core(si_t *sih, uint coreid, uint *origidx,
+ uint *intr_val);
+extern void si_restore_core(si_t *sih, uint coreid, uint intr_val);
+extern void si_core_reset(si_t *sih, u32 bits, u32 resetbits);
+extern void si_core_disable(si_t *sih, u32 bits);
+extern u32 si_alp_clock(si_t *sih);
+extern u32 si_ilp_clock(si_t *sih);
+extern void si_pci_setup(si_t *sih, uint coremask);
+extern void si_setint(si_t *sih, int siflag);
+extern bool si_backplane64(si_t *sih);
+extern void si_register_intr_callback(si_t *sih, void *intrsoff_fn,
+ void *intrsrestore_fn,
+ void *intrsenabled_fn, void *intr_arg);
+extern void si_deregister_intr_callback(si_t *sih);
+extern void si_clkctl_init(si_t *sih);
+extern u16 si_clkctl_fast_pwrup_delay(si_t *sih);
+extern bool si_clkctl_cc(si_t *sih, uint mode);
+extern int si_clkctl_xtal(si_t *sih, uint what, bool on);
+extern bool si_deviceremoved(si_t *sih);
+extern u32 si_socram_size(si_t *sih);
+
+extern void si_watchdog(si_t *sih, uint ticks);
+extern u32 si_gpiocontrol(si_t *sih, u32 mask, u32 val,
+ u8 priority);
+
+#define si_eci(sih) 0
+#define si_eci_init(sih) (0)
+#define si_eci_notify_bt(sih, type, val) (0)
+#define si_seci(sih) 0
+
+/* OTP status */
+extern bool si_is_otp_disabled(si_t *sih);
+extern bool si_is_otp_powered(si_t *sih);
+extern void si_otp_power(si_t *sih, bool on);
+
+/* SPROM availability */
+extern bool si_is_sprom_available(si_t *sih);
+
+/*
+ * Build device path. Path size must be >= SI_DEVPATH_BUFSZ.
+ * The returned path is NULL terminated and has trailing '/'.
+ * Return 0 on success, nonzero otherwise.
+ */
+extern int si_devpath(si_t *sih, char *path, int size);
+/* Read variable with prepending the devpath to the name */
+extern char *si_getdevpathvar(si_t *sih, const char *name);
+extern int si_getdevpathintvar(si_t *sih, const char *name);
+
+extern void si_war42780_clkreq(si_t *sih, bool clkreq);
+extern void si_pci_sleep(si_t *sih);
+extern void si_pci_down(si_t *sih);
+extern void si_pci_up(si_t *sih);
+extern void si_pcie_extendL1timer(si_t *sih, bool extend);
+extern int si_pci_fixcfg(si_t *sih);
+
+extern void si_chipcontrl_epa4331(si_t *sih, bool on);
+/* Enable Ex-PA for 4313 */
+extern void si_epa_4313war(si_t *sih);
+
+char *si_getnvramflvar(si_t *sih, const char *name);
+
+#endif /* _aiutils_h_ */
#include <linux/module.h>
#include <linux/pci.h>
#include <bcmutils.h>
-#include <siutils.h>
+#include <aiutils.h>
#include <hndsoc.h>
#include <sbchipc.h>
#include <pcicfg.h>
#include <bcmdevs.h>
+/* ********** from siutils.c *********** */
+#include <pci_core.h>
+#include <pcie_core.h>
+#include <nicpci.h>
+#include <bcmnvram.h>
+#include <bcmsrom.h>
+#include <wlc_pmu.h>
+
#define BCM47162_DMP() ((sih->chip == BCM47162_CHIP_ID) && \
(sih->chiprev == 0) && \
(sii->coreid[sii->curidx] == MIPS74K_CORE_ID))
INTR_OFF(sii, intr_val);
/* save current core index */
- origidx = si_coreidx(&sii->pub);
+ origidx = ai_coreidx(&sii->pub);
/* switch core */
r = (u32 *) ((unsigned char *) ai_setcoreidx(&sii->pub, coreidx) +
return R_REG(&ai->iostatus);
}
+/* *************** from siutils.c ************** */
+/* local prototypes */
+static si_info_t *si_doattach(si_info_t *sii, uint devid, void *regs,
+ uint bustype, void *sdh, char **vars,
+ uint *varsz);
+static bool si_buscore_prep(si_info_t *sii, uint bustype, uint devid,
+ void *sdh);
+static bool si_buscore_setup(si_info_t *sii, chipcregs_t *cc, uint bustype,
+ u32 savewin, uint *origidx, void *regs);
+static void si_nvram_process(si_info_t *sii, char *pvars);
+
+/* dev path concatenation util */
+static char *si_devpathvar(si_t *sih, char *var, int len, const char *name);
+static bool _si_clkctl_cc(si_info_t *sii, uint mode);
+static bool si_ispcie(si_info_t *sii);
+
+/* global variable to indicate reservation/release of gpio's */
+static u32 si_gpioreservation;
+
+/*
+ * Allocate a si handle.
+ * devid - pci device id (used to determine chip#)
+ * osh - opaque OS handle
+ * regs - virtual address of initial core registers
+ * bustype - pci/sb/sdio/etc
+ * vars - pointer to a pointer area for "environment" variables
+ * varsz - pointer to int to return the size of the vars
+ */
+si_t *si_attach(uint devid, void *regs, uint bustype,
+ void *sdh, char **vars, uint *varsz)
+{
+ si_info_t *sii;
+
+ /* alloc si_info_t */
+ sii = kmalloc(sizeof(si_info_t), GFP_ATOMIC);
+ if (sii == NULL) {
+ SI_ERROR(("si_attach: malloc failed!\n"));
+ return NULL;
+ }
+
+ if (si_doattach(sii, devid, regs, bustype, sdh, vars, varsz) ==
+ NULL) {
+ kfree(sii);
+ return NULL;
+ }
+ sii->vars = vars ? *vars : NULL;
+ sii->varsz = varsz ? *varsz : 0;
+
+ return (si_t *) sii;
+}
+
+/* global kernel resource */
+static si_info_t ksii;
+
+static bool si_buscore_prep(si_info_t *sii, uint bustype, uint devid,
+ void *sdh)
+{
+ /* kludge to enable the clock on the 4306 which lacks a slowclock */
+ if (bustype == PCI_BUS && !si_ispcie(sii))
+ si_clkctl_xtal(&sii->pub, XTAL | PLL, ON);
+ return true;
+}
+
+static bool si_buscore_setup(si_info_t *sii, chipcregs_t *cc, uint bustype,
+ u32 savewin, uint *origidx, void *regs)
+{
+ bool pci, pcie;
+ uint i;
+ uint pciidx, pcieidx, pcirev, pcierev;
+
+ cc = si_setcoreidx(&sii->pub, SI_CC_IDX);
+ ASSERT(cc);
+
+ /* get chipcommon rev */
+ sii->pub.ccrev = (int)si_corerev(&sii->pub);
+
+ /* get chipcommon chipstatus */
+ if (sii->pub.ccrev >= 11)
+ sii->pub.chipst = R_REG(&cc->chipstatus);
+
+ /* get chipcommon capabilites */
+ sii->pub.cccaps = R_REG(&cc->capabilities);
+ /* get chipcommon extended capabilities */
+
+ if (sii->pub.ccrev >= 35)
+ sii->pub.cccaps_ext = R_REG(&cc->capabilities_ext);
+
+ /* get pmu rev and caps */
+ if (sii->pub.cccaps & CC_CAP_PMU) {
+ sii->pub.pmucaps = R_REG(&cc->pmucapabilities);
+ sii->pub.pmurev = sii->pub.pmucaps & PCAP_REV_MASK;
+ }
+
+ /* figure out bus/orignal core idx */
+ sii->pub.buscoretype = NODEV_CORE_ID;
+ sii->pub.buscorerev = NOREV;
+ sii->pub.buscoreidx = BADIDX;
+
+ pci = pcie = false;
+ pcirev = pcierev = NOREV;
+ pciidx = pcieidx = BADIDX;
+
+ for (i = 0; i < sii->numcores; i++) {
+ uint cid, crev;
+
+ si_setcoreidx(&sii->pub, i);
+ cid = si_coreid(&sii->pub);
+ crev = si_corerev(&sii->pub);
+
+ /* Display cores found */
+ SI_VMSG(("CORE[%d]: id 0x%x rev %d base 0x%x regs 0x%p\n",
+ i, cid, crev, sii->coresba[i], sii->regs[i]));
+
+ if (bustype == PCI_BUS) {
+ if (cid == PCI_CORE_ID) {
+ pciidx = i;
+ pcirev = crev;
+ pci = true;
+ } else if (cid == PCIE_CORE_ID) {
+ pcieidx = i;
+ pcierev = crev;
+ pcie = true;
+ }
+ }
+
+ /* find the core idx before entering this func. */
+ if ((savewin && (savewin == sii->coresba[i])) ||
+ (regs == sii->regs[i]))
+ *origidx = i;
+ }
+
+ if (pci && pcie) {
+ if (si_ispcie(sii))
+ pci = false;
+ else
+ pcie = false;
+ }
+ if (pci) {
+ sii->pub.buscoretype = PCI_CORE_ID;
+ sii->pub.buscorerev = pcirev;
+ sii->pub.buscoreidx = pciidx;
+ } else if (pcie) {
+ sii->pub.buscoretype = PCIE_CORE_ID;
+ sii->pub.buscorerev = pcierev;
+ sii->pub.buscoreidx = pcieidx;
+ }
+
+ SI_VMSG(("Buscore id/type/rev %d/0x%x/%d\n", sii->pub.buscoreidx,
+ sii->pub.buscoretype, sii->pub.buscorerev));
+
+ /* fixup necessary chip/core configurations */
+ if (sii->pub.bustype == PCI_BUS) {
+ if (SI_FAST(sii)) {
+ if (!sii->pch) {
+ sii->pch = (void *)pcicore_init(
+ &sii->pub, sii->pbus,
+ (void *)PCIEREGS(sii));
+ if (sii->pch == NULL)
+ return false;
+ }
+ }
+ if (si_pci_fixcfg(&sii->pub)) {
+ SI_ERROR(("si_doattach: si_pci_fixcfg failed\n"));
+ return false;
+ }
+ }
+
+ /* return to the original core */
+ si_setcoreidx(&sii->pub, *origidx);
+
+ return true;
+}
+
+static __used void si_nvram_process(si_info_t *sii, char *pvars)
+{
+ uint w = 0;
+
+ /* get boardtype and boardrev */
+ switch (sii->pub.bustype) {
+ case PCI_BUS:
+ /* do a pci config read to get subsystem id and subvendor id */
+ pci_read_config_dword(sii->pbus, PCI_SUBSYSTEM_VENDOR_ID, &w);
+ /* Let nvram variables override subsystem Vend/ID */
+ sii->pub.boardvendor = (u16)si_getdevpathintvar(&sii->pub,
+ "boardvendor");
+ if (sii->pub.boardvendor == 0)
+ sii->pub.boardvendor = w & 0xffff;
+ else
+ SI_ERROR(("Overriding boardvendor: 0x%x instead of "
+ "0x%x\n", sii->pub.boardvendor, w & 0xffff));
+ sii->pub.boardtype = (u16)si_getdevpathintvar(&sii->pub,
+ "boardtype");
+ if (sii->pub.boardtype == 0)
+ sii->pub.boardtype = (w >> 16) & 0xffff;
+ else
+ SI_ERROR(("Overriding boardtype: 0x%x instead of 0x%x\n"
+ , sii->pub.boardtype, (w >> 16) & 0xffff));
+ break;
+
+ sii->pub.boardvendor = getintvar(pvars, "manfid");
+ sii->pub.boardtype = getintvar(pvars, "prodid");
+ break;
+
+ case SI_BUS:
+ case JTAG_BUS:
+ sii->pub.boardvendor = PCI_VENDOR_ID_BROADCOM;
+ sii->pub.boardtype = getintvar(pvars, "prodid");
+ if (pvars == NULL || (sii->pub.boardtype == 0)) {
+ sii->pub.boardtype = getintvar(NULL, "boardtype");
+ if (sii->pub.boardtype == 0)
+ sii->pub.boardtype = 0xffff;
+ }
+ break;
+ }
+
+ if (sii->pub.boardtype == 0) {
+ SI_ERROR(("si_doattach: unknown board type\n"));
+ ASSERT(sii->pub.boardtype);
+ }
+
+ sii->pub.boardflags = getintvar(pvars, "boardflags");
+}
+
+static si_info_t *si_doattach(si_info_t *sii, uint devid,
+ void *regs, uint bustype, void *pbus,
+ char **vars, uint *varsz)
+{
+ struct si_pub *sih = &sii->pub;
+ u32 w, savewin;
+ chipcregs_t *cc;
+ char *pvars = NULL;
+ uint origidx;
+
+ ASSERT(GOODREGS(regs));
+
+ memset((unsigned char *) sii, 0, sizeof(si_info_t));
+
+ savewin = 0;
+
+ sih->buscoreidx = BADIDX;
+
+ sii->curmap = regs;
+ sii->pbus = pbus;
+
+ /* check to see if we are a si core mimic'ing a pci core */
+ if (bustype == PCI_BUS) {
+ pci_read_config_dword(sii->pbus, PCI_SPROM_CONTROL, &w);
+ if (w == 0xffffffff) {
+ SI_ERROR(("%s: incoming bus is PCI but it's a lie, "
+ " switching to SI devid:0x%x\n",
+ __func__, devid));
+ bustype = SI_BUS;
+ }
+ }
+
+ /* find Chipcommon address */
+ if (bustype == PCI_BUS) {
+ pci_read_config_dword(sii->pbus, PCI_BAR0_WIN, &savewin);
+ if (!GOODCOREADDR(savewin, SI_ENUM_BASE))
+ savewin = SI_ENUM_BASE;
+ pci_write_config_dword(sii->pbus, PCI_BAR0_WIN,
+ SI_ENUM_BASE);
+ cc = (chipcregs_t *) regs;
+ } else {
+ cc = (chipcregs_t *) REG_MAP(SI_ENUM_BASE, SI_CORE_SIZE);
+ }
+
+ sih->bustype = bustype;
+
+ /* bus/core/clk setup for register access */
+ if (!si_buscore_prep(sii, bustype, devid, pbus)) {
+ SI_ERROR(("si_doattach: si_core_clk_prep failed %d\n",
+ bustype));
+ return NULL;
+ }
+
+ /*
+ * ChipID recognition.
+ * We assume we can read chipid at offset 0 from the regs arg.
+ * If we add other chiptypes (or if we need to support old sdio
+ * hosts w/o chipcommon), some way of recognizing them needs to
+ * be added here.
+ */
+ w = R_REG(&cc->chipid);
+ sih->socitype = (w & CID_TYPE_MASK) >> CID_TYPE_SHIFT;
+ /* Might as wll fill in chip id rev & pkg */
+ sih->chip = w & CID_ID_MASK;
+ sih->chiprev = (w & CID_REV_MASK) >> CID_REV_SHIFT;
+ sih->chippkg = (w & CID_PKG_MASK) >> CID_PKG_SHIFT;
+
+ sih->issim = IS_SIM(sih->chippkg);
+
+ /* scan for cores */
+ if (sii->pub.socitype == SOCI_AI) {
+ SI_MSG(("Found chip type AI (0x%08x)\n", w));
+ /* pass chipc address instead of original core base */
+ ai_scan(&sii->pub, (void *)cc, devid);
+ } else {
+ SI_ERROR(("Found chip of unknown type (0x%08x)\n", w));
+ return NULL;
+ }
+ /* no cores found, bail out */
+ if (sii->numcores == 0) {
+ SI_ERROR(("si_doattach: could not find any cores\n"));
+ return NULL;
+ }
+ /* bus/core/clk setup */
+ origidx = SI_CC_IDX;
+ if (!si_buscore_setup(sii, cc, bustype, savewin, &origidx, regs)) {
+ SI_ERROR(("si_doattach: si_buscore_setup failed\n"));
+ goto exit;
+ }
+
+ /* assume current core is CC */
+ if ((sii->pub.ccrev == 0x25)
+ &&
+ ((sih->chip == BCM43236_CHIP_ID
+ || sih->chip == BCM43235_CHIP_ID
+ || sih->chip == BCM43238_CHIP_ID)
+ && (sii->pub.chiprev <= 2))) {
+
+ if ((cc->chipstatus & CST43236_BP_CLK) != 0) {
+ uint clkdiv;
+ clkdiv = R_REG(&cc->clkdiv);
+ /* otp_clk_div is even number, 120/14 < 9mhz */
+ clkdiv = (clkdiv & ~CLKD_OTP) | (14 << CLKD_OTP_SHIFT);
+ W_REG(&cc->clkdiv, clkdiv);
+ SI_ERROR(("%s: set clkdiv to %x\n", __func__, clkdiv));
+ }
+ udelay(10);
+ }
+
+ /* Init nvram from flash if it exists */
+ nvram_init((void *)&(sii->pub));
+
+ /* Init nvram from sprom/otp if they exist */
+ if (srom_var_init
+ (&sii->pub, bustype, regs, vars, varsz)) {
+ SI_ERROR(("si_doattach: srom_var_init failed: bad srom\n"));
+ goto exit;
+ }
+ pvars = vars ? *vars : NULL;
+ si_nvram_process(sii, pvars);
+
+ /* === NVRAM, clock is ready === */
+ cc = (chipcregs_t *) si_setcore(sih, CC_CORE_ID, 0);
+ W_REG(&cc->gpiopullup, 0);
+ W_REG(&cc->gpiopulldown, 0);
+ si_setcoreidx(sih, origidx);
+
+ /* PMU specific initializations */
+ if (PMUCTL_ENAB(sih)) {
+ u32 xtalfreq;
+ si_pmu_init(sih);
+ si_pmu_chip_init(sih);
+ xtalfreq = getintvar(pvars, "xtalfreq");
+ /* If xtalfreq var not available, try to measure it */
+ if (xtalfreq == 0)
+ xtalfreq = si_pmu_measure_alpclk(sih);
+ si_pmu_pll_init(sih, xtalfreq);
+ si_pmu_res_init(sih);
+ si_pmu_swreg_init(sih);
+ }
+
+ /* setup the GPIO based LED powersave register */
+ w = getintvar(pvars, "leddc");
+ if (w == 0)
+ w = DEFAULT_GPIOTIMERVAL;
+ si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, gpiotimerval), ~0, w);
+
+ if (PCIE(sii)) {
+ ASSERT(sii->pch != NULL);
+ pcicore_attach(sii->pch, pvars, SI_DOATTACH);
+ }
+
+ if ((sih->chip == BCM43224_CHIP_ID) ||
+ (sih->chip == BCM43421_CHIP_ID)) {
+ /*
+ * enable 12 mA drive strenth for 43224 and
+ * set chipControl register bit 15
+ */
+ if (sih->chiprev == 0) {
+ SI_MSG(("Applying 43224A0 WARs\n"));
+ si_corereg(sih, SI_CC_IDX,
+ offsetof(chipcregs_t, chipcontrol),
+ CCTRL43224_GPIO_TOGGLE,
+ CCTRL43224_GPIO_TOGGLE);
+ si_pmu_chipcontrol(sih, 0, CCTRL_43224A0_12MA_LED_DRIVE,
+ CCTRL_43224A0_12MA_LED_DRIVE);
+ }
+ if (sih->chiprev >= 1) {
+ SI_MSG(("Applying 43224B0+ WARs\n"));
+ si_pmu_chipcontrol(sih, 0, CCTRL_43224B0_12MA_LED_DRIVE,
+ CCTRL_43224B0_12MA_LED_DRIVE);
+ }
+ }
+
+ if (sih->chip == BCM4313_CHIP_ID) {
+ /*
+ * enable 12 mA drive strenth for 4313 and
+ * set chipControl register bit 1
+ */
+ SI_MSG(("Applying 4313 WARs\n"));
+ si_pmu_chipcontrol(sih, 0, CCTRL_4313_12MA_LED_DRIVE,
+ CCTRL_4313_12MA_LED_DRIVE);
+ }
+
+ if (sih->chip == BCM4331_CHIP_ID) {
+ /* Enable Ext PA lines depending on chip package option */
+ si_chipcontrl_epa4331(sih, true);
+ }
+
+ return sii;
+ exit:
+ if (sih->bustype == PCI_BUS) {
+ if (sii->pch)
+ pcicore_deinit(sii->pch);
+ sii->pch = NULL;
+ }
+
+ return NULL;
+}
+
+/* may be called with core in reset */
+void si_detach(si_t *sih)
+{
+ si_info_t *sii;
+ uint idx;
+
+ struct si_pub *si_local = NULL;
+ bcopy(&sih, &si_local, sizeof(si_t **));
+
+ sii = SI_INFO(sih);
+
+ if (sii == NULL)
+ return;
+
+ if (sih->bustype == SI_BUS)
+ for (idx = 0; idx < SI_MAXCORES; idx++)
+ if (sii->regs[idx]) {
+ iounmap(sii->regs[idx]);
+ sii->regs[idx] = NULL;
+ }
+
+ nvram_exit((void *)si_local); /* free up nvram buffers */
+
+ if (sih->bustype == PCI_BUS) {
+ if (sii->pch)
+ pcicore_deinit(sii->pch);
+ sii->pch = NULL;
+ }
+
+ if (sii != &ksii)
+ kfree(sii);
+}
+
+/* register driver interrupt disabling and restoring callback functions */
+void
+si_register_intr_callback(si_t *sih, void *intrsoff_fn, void *intrsrestore_fn,
+ void *intrsenabled_fn, void *intr_arg)
+{
+ si_info_t *sii;
+
+ sii = SI_INFO(sih);
+ sii->intr_arg = intr_arg;
+ sii->intrsoff_fn = (si_intrsoff_t) intrsoff_fn;
+ sii->intrsrestore_fn = (si_intrsrestore_t) intrsrestore_fn;
+ sii->intrsenabled_fn = (si_intrsenabled_t) intrsenabled_fn;
+ /* save current core id. when this function called, the current core
+ * must be the core which provides driver functions(il, et, wl, etc.)
+ */
+ sii->dev_coreid = sii->coreid[sii->curidx];
+}
+
+void si_deregister_intr_callback(si_t *sih)
+{
+ si_info_t *sii;
+
+ sii = SI_INFO(sih);
+ sii->intrsoff_fn = NULL;
+}
+
+uint si_flag(si_t *sih)
+{
+ if (sih->socitype == SOCI_AI)
+ return ai_flag(sih);
+ else {
+ ASSERT(0);
+ return 0;
+ }
+}
+
+void si_setint(si_t *sih, int siflag)
+{
+ if (sih->socitype == SOCI_AI)
+ ai_setint(sih, siflag);
+ else
+ ASSERT(0);
+}
+
+uint si_coreid(si_t *sih)
+{
+ si_info_t *sii;
+
+ sii = SI_INFO(sih);
+ return sii->coreid[sii->curidx];
+}
+
+uint ai_coreidx(si_t *sih)
+{
+ si_info_t *sii;
+
+ sii = SI_INFO(sih);
+ return sii->curidx;
+}
+
+bool si_backplane64(si_t *sih)
+{
+ return (sih->cccaps & CC_CAP_BKPLN64) != 0;
+}
+
+uint si_corerev(si_t *sih)
+{
+ if (sih->socitype == SOCI_AI)
+ return ai_corerev(sih);
+ else {
+ ASSERT(0);
+ return 0;
+ }
+}
+
+/* return index of coreid or BADIDX if not found */
+uint si_findcoreidx(si_t *sih, uint coreid, uint coreunit)
+{
+ si_info_t *sii;
+ uint found;
+ uint i;
+
+ sii = SI_INFO(sih);
+
+ found = 0;
+
+ for (i = 0; i < sii->numcores; i++)
+ if (sii->coreid[i] == coreid) {
+ if (found == coreunit)
+ return i;
+ found++;
+ }
+
+ return BADIDX;
+}
+
+/*
+ * This function changes logical "focus" to the indicated core;
+ * must be called with interrupts off.
+ * Moreover, callers should keep interrupts off during switching
+ * out of and back to d11 core.
+ */
+void *si_setcore(si_t *sih, uint coreid, uint coreunit)
+{
+ uint idx;
+
+ idx = si_findcoreidx(sih, coreid, coreunit);
+ if (!GOODIDX(idx))
+ return NULL;
+
+ if (sih->socitype == SOCI_AI)
+ return ai_setcoreidx(sih, idx);
+ else {
+ ASSERT(0);
+ return NULL;
+ }
+}
+
+void *si_setcoreidx(si_t *sih, uint coreidx)
+{
+ if (sih->socitype == SOCI_AI)
+ return ai_setcoreidx(sih, coreidx);
+ else {
+ ASSERT(0);
+ return NULL;
+ }
+}
+
+/* Turn off interrupt as required by si_setcore, before switch core */
+void *si_switch_core(si_t *sih, uint coreid, uint *origidx, uint *intr_val)
+{
+ void *cc;
+ si_info_t *sii;
+
+ sii = SI_INFO(sih);
+
+ if (SI_FAST(sii)) {
+ /* Overloading the origidx variable to remember the coreid,
+ * this works because the core ids cannot be confused with
+ * core indices.
+ */
+ *origidx = coreid;
+ if (coreid == CC_CORE_ID)
+ return (void *)CCREGS_FAST(sii);
+ else if (coreid == sih->buscoretype)
+ return (void *)PCIEREGS(sii);
+ }
+ INTR_OFF(sii, *intr_val);
+ *origidx = sii->curidx;
+ cc = si_setcore(sih, coreid, 0);
+ ASSERT(cc != NULL);
+
+ return cc;
+}
+
+/* restore coreidx and restore interrupt */
+void si_restore_core(si_t *sih, uint coreid, uint intr_val)
+{
+ si_info_t *sii;
+
+ sii = SI_INFO(sih);
+ if (SI_FAST(sii)
+ && ((coreid == CC_CORE_ID) || (coreid == sih->buscoretype)))
+ return;
+
+ si_setcoreidx(sih, coreid);
+ INTR_RESTORE(sii, intr_val);
+}
+
+u32 si_core_cflags(si_t *sih, u32 mask, u32 val)
+{
+ if (sih->socitype == SOCI_AI)
+ return ai_core_cflags(sih, mask, val);
+ else {
+ ASSERT(0);
+ return 0;
+ }
+}
+
+u32 si_core_sflags(si_t *sih, u32 mask, u32 val)
+{
+ if (sih->socitype == SOCI_AI)
+ return ai_core_sflags(sih, mask, val);
+ else {
+ ASSERT(0);
+ return 0;
+ }
+}
+
+bool si_iscoreup(si_t *sih)
+{
+ if (sih->socitype == SOCI_AI)
+ return ai_iscoreup(sih);
+ else {
+ ASSERT(0);
+ return false;
+ }
+}
+
+void si_write_wrapperreg(si_t *sih, u32 offset, u32 val)
+{
+ /* only for 4319, no requirement for SOCI_SB */
+ if (sih->socitype == SOCI_AI)
+ ai_write_wrap_reg(sih, offset, val);
+}
+
+uint si_corereg(si_t *sih, uint coreidx, uint regoff, uint mask, uint val)
+{
+
+ if (sih->socitype == SOCI_AI)
+ return ai_corereg(sih, coreidx, regoff, mask, val);
+ else {
+ ASSERT(0);
+ return 0;
+ }
+}
+
+void si_core_disable(si_t *sih, u32 bits)
+{
+
+ if (sih->socitype == SOCI_AI)
+ ai_core_disable(sih, bits);
+}
+
+void si_core_reset(si_t *sih, u32 bits, u32 resetbits)
+{
+ if (sih->socitype == SOCI_AI)
+ ai_core_reset(sih, bits, resetbits);
+}
+
+u32 si_alp_clock(si_t *sih)
+{
+ if (PMUCTL_ENAB(sih))
+ return si_pmu_alp_clock(sih);
+
+ return ALP_CLOCK;
+}
+
+u32 si_ilp_clock(si_t *sih)
+{
+ if (PMUCTL_ENAB(sih))
+ return si_pmu_ilp_clock(sih);
+
+ return ILP_CLOCK;
+}
+
+/* set chip watchdog reset timer to fire in 'ticks' */
+void si_watchdog(si_t *sih, uint ticks)
+{
+ uint nb, maxt;
+
+ if (PMUCTL_ENAB(sih)) {
+
+ if ((sih->chip == BCM4319_CHIP_ID) &&
+ (sih->chiprev == 0) && (ticks != 0)) {
+ si_corereg(sih, SI_CC_IDX,
+ offsetof(chipcregs_t, clk_ctl_st), ~0, 0x2);
+ si_setcore(sih, USB20D_CORE_ID, 0);
+ si_core_disable(sih, 1);
+ si_setcore(sih, CC_CORE_ID, 0);
+ }
+
+ nb = (sih->ccrev < 26) ? 16 : ((sih->ccrev >= 37) ? 32 : 24);
+ /* The mips compiler uses the sllv instruction,
+ * so we specially handle the 32-bit case.
+ */
+ if (nb == 32)
+ maxt = 0xffffffff;
+ else
+ maxt = ((1 << nb) - 1);
+
+ if (ticks == 1)
+ ticks = 2;
+ else if (ticks > maxt)
+ ticks = maxt;
+
+ si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, pmuwatchdog),
+ ~0, ticks);
+ } else {
+ /*
+ * make sure we come up in fast clock mode;
+ * or if clearing, clear clock
+ */
+ si_clkctl_cc(sih, ticks ? CLK_FAST : CLK_DYNAMIC);
+ maxt = (1 << 28) - 1;
+ if (ticks > maxt)
+ ticks = maxt;
+
+ si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, watchdog), ~0,
+ ticks);
+ }
+}
+
+/* return the slow clock source - LPO, XTAL, or PCI */
+static uint si_slowclk_src(si_info_t *sii)
+{
+ chipcregs_t *cc;
+ u32 val;
+
+ ASSERT(SI_FAST(sii) || si_coreid(&sii->pub) == CC_CORE_ID);
+
+ if (sii->pub.ccrev < 6) {
+ if (sii->pub.bustype == PCI_BUS) {
+ pci_read_config_dword(sii->pbus, PCI_GPIO_OUT,
+ &val);
+ if (val & PCI_CFG_GPIO_SCS)
+ return SCC_SS_PCI;
+ }
+ return SCC_SS_XTAL;
+ } else if (sii->pub.ccrev < 10) {
+ cc = (chipcregs_t *) si_setcoreidx(&sii->pub, sii->curidx);
+ return R_REG(&cc->slow_clk_ctl) & SCC_SS_MASK;
+ } else /* Insta-clock */
+ return SCC_SS_XTAL;
+}
+
+/* return the ILP (slowclock) min or max frequency */
+static uint si_slowclk_freq(si_info_t *sii, bool max_freq, chipcregs_t *cc)
+{
+ u32 slowclk;
+ uint div;
+
+ ASSERT(SI_FAST(sii) || si_coreid(&sii->pub) == CC_CORE_ID);
+
+ /*
+ * shouldn't be here unless we've established
+ * the chip has dynamic clk control
+ */
+ ASSERT(R_REG(&cc->capabilities) & CC_CAP_PWR_CTL);
+
+ slowclk = si_slowclk_src(sii);
+ if (sii->pub.ccrev < 6) {
+ if (slowclk == SCC_SS_PCI)
+ return max_freq ? (PCIMAXFREQ / 64)
+ : (PCIMINFREQ / 64);
+ else
+ return max_freq ? (XTALMAXFREQ / 32)
+ : (XTALMINFREQ / 32);
+ } else if (sii->pub.ccrev < 10) {
+ div = 4 *
+ (((R_REG(&cc->slow_clk_ctl) & SCC_CD_MASK) >>
+ SCC_CD_SHIFT) + 1);
+ if (slowclk == SCC_SS_LPO)
+ return max_freq ? LPOMAXFREQ : LPOMINFREQ;
+ else if (slowclk == SCC_SS_XTAL)
+ return max_freq ? (XTALMAXFREQ / div)
+ : (XTALMINFREQ / div);
+ else if (slowclk == SCC_SS_PCI)
+ return max_freq ? (PCIMAXFREQ / div)
+ : (PCIMINFREQ / div);
+ else
+ ASSERT(0);
+ } else {
+ /* Chipc rev 10 is InstaClock */
+ div = R_REG(&cc->system_clk_ctl) >> SYCC_CD_SHIFT;
+ div = 4 * (div + 1);
+ return max_freq ? XTALMAXFREQ : (XTALMINFREQ / div);
+ }
+ return 0;
+}
+
+static void si_clkctl_setdelay(si_info_t *sii, void *chipcregs)
+{
+ chipcregs_t *cc = (chipcregs_t *) chipcregs;
+ uint slowmaxfreq, pll_delay, slowclk;
+ uint pll_on_delay, fref_sel_delay;
+
+ pll_delay = PLL_DELAY;
+
+ /*
+ * If the slow clock is not sourced by the xtal then
+ * add the xtal_on_delay since the xtal will also be
+ * powered down by dynamic clk control logic.
+ */
+ slowclk = si_slowclk_src(sii);
+ if (slowclk != SCC_SS_XTAL)
+ pll_delay += XTAL_ON_DELAY;
+
+ /* Starting with 4318 it is ILP that is used for the delays */
+ slowmaxfreq =
+ si_slowclk_freq(sii, (sii->pub.ccrev >= 10) ? false : true, cc);
+
+ pll_on_delay = ((slowmaxfreq * pll_delay) + 999999) / 1000000;
+ fref_sel_delay = ((slowmaxfreq * FREF_DELAY) + 999999) / 1000000;
+
+ W_REG(&cc->pll_on_delay, pll_on_delay);
+ W_REG(&cc->fref_sel_delay, fref_sel_delay);
+}
+
+/* initialize power control delay registers */
+void si_clkctl_init(si_t *sih)
+{
+ si_info_t *sii;
+ uint origidx = 0;
+ chipcregs_t *cc;
+ bool fast;
+
+ if (!CCCTL_ENAB(sih))
+ return;
+
+ sii = SI_INFO(sih);
+ fast = SI_FAST(sii);
+ if (!fast) {
+ origidx = sii->curidx;
+ cc = (chipcregs_t *) si_setcore(sih, CC_CORE_ID, 0);
+ if (cc == NULL)
+ return;
+ } else {
+ cc = (chipcregs_t *) CCREGS_FAST(sii);
+ if (cc == NULL)
+ return;
+ }
+ ASSERT(cc != NULL);
+
+ /* set all Instaclk chip ILP to 1 MHz */
+ if (sih->ccrev >= 10)
+ SET_REG(&cc->system_clk_ctl, SYCC_CD_MASK,
+ (ILP_DIV_1MHZ << SYCC_CD_SHIFT));
+
+ si_clkctl_setdelay(sii, (void *)cc);
+
+ if (!fast)
+ si_setcoreidx(sih, origidx);
+}
+
+/*
+ * return the value suitable for writing to the
+ * dot11 core FAST_PWRUP_DELAY register
+ */
+u16 si_clkctl_fast_pwrup_delay(si_t *sih)
+{
+ si_info_t *sii;
+ uint origidx = 0;
+ chipcregs_t *cc;
+ uint slowminfreq;
+ u16 fpdelay;
+ uint intr_val = 0;
+ bool fast;
+
+ sii = SI_INFO(sih);
+ if (PMUCTL_ENAB(sih)) {
+ INTR_OFF(sii, intr_val);
+ fpdelay = si_pmu_fast_pwrup_delay(sih);
+ INTR_RESTORE(sii, intr_val);
+ return fpdelay;
+ }
+
+ if (!CCCTL_ENAB(sih))
+ return 0;
+
+ fast = SI_FAST(sii);
+ fpdelay = 0;
+ if (!fast) {
+ origidx = sii->curidx;
+ INTR_OFF(sii, intr_val);
+ cc = (chipcregs_t *) si_setcore(sih, CC_CORE_ID, 0);
+ if (cc == NULL)
+ goto done;
+ } else {
+ cc = (chipcregs_t *) CCREGS_FAST(sii);
+ if (cc == NULL)
+ goto done;
+ }
+ ASSERT(cc != NULL);
+
+ slowminfreq = si_slowclk_freq(sii, false, cc);
+ fpdelay = (((R_REG(&cc->pll_on_delay) + 2) * 1000000) +
+ (slowminfreq - 1)) / slowminfreq;
+
+ done:
+ if (!fast) {
+ si_setcoreidx(sih, origidx);
+ INTR_RESTORE(sii, intr_val);
+ }
+ return fpdelay;
+}
+
+/* turn primary xtal and/or pll off/on */
+int si_clkctl_xtal(si_t *sih, uint what, bool on)
+{
+ si_info_t *sii;
+ u32 in, out, outen;
+
+ sii = SI_INFO(sih);
+
+ switch (sih->bustype) {
+
+ case PCI_BUS:
+ /* pcie core doesn't have any mapping to control the xtal pu */
+ if (PCIE(sii))
+ return -1;
+
+ pci_read_config_dword(sii->pbus, PCI_GPIO_IN, &in);
+ pci_read_config_dword(sii->pbus, PCI_GPIO_OUT, &out);
+ pci_read_config_dword(sii->pbus, PCI_GPIO_OUTEN, &outen);
+
+ /*
+ * Avoid glitching the clock if GPRS is already using it.
+ * We can't actually read the state of the PLLPD so we infer it
+ * by the value of XTAL_PU which *is* readable via gpioin.
+ */
+ if (on && (in & PCI_CFG_GPIO_XTAL))
+ return 0;
+
+ if (what & XTAL)
+ outen |= PCI_CFG_GPIO_XTAL;
+ if (what & PLL)
+ outen |= PCI_CFG_GPIO_PLL;
+
+ if (on) {
+ /* turn primary xtal on */
+ if (what & XTAL) {
+ out |= PCI_CFG_GPIO_XTAL;
+ if (what & PLL)
+ out |= PCI_CFG_GPIO_PLL;
+ pci_write_config_dword(sii->pbus,
+ PCI_GPIO_OUT, out);
+ pci_write_config_dword(sii->pbus,
+ PCI_GPIO_OUTEN, outen);
+ udelay(XTAL_ON_DELAY);
+ }
+
+ /* turn pll on */
+ if (what & PLL) {
+ out &= ~PCI_CFG_GPIO_PLL;
+ pci_write_config_dword(sii->pbus,
+ PCI_GPIO_OUT, out);
+ mdelay(2);
+ }
+ } else {
+ if (what & XTAL)
+ out &= ~PCI_CFG_GPIO_XTAL;
+ if (what & PLL)
+ out |= PCI_CFG_GPIO_PLL;
+ pci_write_config_dword(sii->pbus,
+ PCI_GPIO_OUT, out);
+ pci_write_config_dword(sii->pbus,
+ PCI_GPIO_OUTEN, outen);
+ }
+
+ default:
+ return -1;
+ }
+
+ return 0;
+}
+
+/*
+ * clock control policy function throught chipcommon
+ *
+ * set dynamic clk control mode (forceslow, forcefast, dynamic)
+ * returns true if we are forcing fast clock
+ * this is a wrapper over the next internal function
+ * to allow flexible policy settings for outside caller
+ */
+bool si_clkctl_cc(si_t *sih, uint mode)
+{
+ si_info_t *sii;
+
+ sii = SI_INFO(sih);
+
+ /* chipcommon cores prior to rev6 don't support dynamic clock control */
+ if (sih->ccrev < 6)
+ return false;
+
+ if (PCI_FORCEHT(sii))
+ return mode == CLK_FAST;
+
+ return _si_clkctl_cc(sii, mode);
+}
+
+/* clk control mechanism through chipcommon, no policy checking */
+static bool _si_clkctl_cc(si_info_t *sii, uint mode)
+{
+ uint origidx = 0;
+ chipcregs_t *cc;
+ u32 scc;
+ uint intr_val = 0;
+ bool fast = SI_FAST(sii);
+
+ /* chipcommon cores prior to rev6 don't support dynamic clock control */
+ if (sii->pub.ccrev < 6)
+ return false;
+
+ /*
+ * Chips with ccrev 10 are EOL and they
+ * don't have SYCC_HR which we use below
+ */
+ ASSERT(sii->pub.ccrev != 10);
+
+ if (!fast) {
+ INTR_OFF(sii, intr_val);
+ origidx = sii->curidx;
+
+ if ((sii->pub.bustype == SI_BUS) &&
+ si_setcore(&sii->pub, MIPS33_CORE_ID, 0) &&
+ (si_corerev(&sii->pub) <= 7) && (sii->pub.ccrev >= 10))
+ goto done;
+
+ cc = (chipcregs_t *) si_setcore(&sii->pub, CC_CORE_ID, 0);
+ } else {
+ cc = (chipcregs_t *) CCREGS_FAST(sii);
+ if (cc == NULL)
+ goto done;
+ }
+ ASSERT(cc != NULL);
+
+ if (!CCCTL_ENAB(&sii->pub) && (sii->pub.ccrev < 20))
+ goto done;
+
+ switch (mode) {
+ case CLK_FAST: /* FORCEHT, fast (pll) clock */
+ if (sii->pub.ccrev < 10) {
+ /*
+ * don't forget to force xtal back
+ * on before we clear SCC_DYN_XTAL..
+ */
+ si_clkctl_xtal(&sii->pub, XTAL, ON);
+ SET_REG(&cc->slow_clk_ctl,
+ (SCC_XC | SCC_FS | SCC_IP), SCC_IP);
+ } else if (sii->pub.ccrev < 20) {
+ OR_REG(&cc->system_clk_ctl, SYCC_HR);
+ } else {
+ OR_REG(&cc->clk_ctl_st, CCS_FORCEHT);
+ }
+
+ /* wait for the PLL */
+ if (PMUCTL_ENAB(&sii->pub)) {
+ u32 htavail = CCS_HTAVAIL;
+ SPINWAIT(((R_REG(&cc->clk_ctl_st) & htavail)
+ == 0), PMU_MAX_TRANSITION_DLY);
+ ASSERT(R_REG(&cc->clk_ctl_st) & htavail);
+ } else {
+ udelay(PLL_DELAY);
+ }
+ break;
+
+ case CLK_DYNAMIC: /* enable dynamic clock control */
+ if (sii->pub.ccrev < 10) {
+ scc = R_REG(&cc->slow_clk_ctl);
+ scc &= ~(SCC_FS | SCC_IP | SCC_XC);
+ if ((scc & SCC_SS_MASK) != SCC_SS_XTAL)
+ scc |= SCC_XC;
+ W_REG(&cc->slow_clk_ctl, scc);
+
+ /*
+ * for dynamic control, we have to
+ * release our xtal_pu "force on"
+ */
+ if (scc & SCC_XC)
+ si_clkctl_xtal(&sii->pub, XTAL, OFF);
+ } else if (sii->pub.ccrev < 20) {
+ /* Instaclock */
+ AND_REG(&cc->system_clk_ctl, ~SYCC_HR);
+ } else {
+ AND_REG(&cc->clk_ctl_st, ~CCS_FORCEHT);
+ }
+ break;
+
+ default:
+ ASSERT(0);
+ }
+
+ done:
+ if (!fast) {
+ si_setcoreidx(&sii->pub, origidx);
+ INTR_RESTORE(sii, intr_val);
+ }
+ return mode == CLK_FAST;
+}
+
+/* Build device path. Support SI, PCI, and JTAG for now. */
+int si_devpath(si_t *sih, char *path, int size)
+{
+ int slen;
+
+ ASSERT(path != NULL);
+ ASSERT(size >= SI_DEVPATH_BUFSZ);
+
+ if (!path || size <= 0)
+ return -1;
+
+ switch (sih->bustype) {
+ case SI_BUS:
+ case JTAG_BUS:
+ slen = snprintf(path, (size_t) size, "sb/%u/", ai_coreidx(sih));
+ break;
+ case PCI_BUS:
+ ASSERT((SI_INFO(sih))->pbus != NULL);
+ slen = snprintf(path, (size_t) size, "pci/%u/%u/",
+ ((struct pci_dev *)((SI_INFO(sih))->pbus))->bus->number,
+ PCI_SLOT(
+ ((struct pci_dev *)((SI_INFO(sih))->pbus))->devfn));
+ break;
+
+ default:
+ slen = -1;
+ ASSERT(0);
+ break;
+ }
+
+ if (slen < 0 || slen >= size) {
+ path[0] = '\0';
+ return -1;
+ }
+
+ return 0;
+}
+
+/* Get a variable, but only if it has a devpath prefix */
+char *si_getdevpathvar(si_t *sih, const char *name)
+{
+ char varname[SI_DEVPATH_BUFSZ + 32];
+
+ si_devpathvar(sih, varname, sizeof(varname), name);
+
+ return getvar(NULL, varname);
+}
+
+/* Get a variable, but only if it has a devpath prefix */
+int si_getdevpathintvar(si_t *sih, const char *name)
+{
+#if defined(BCMBUSTYPE) && (BCMBUSTYPE == SI_BUS)
+ return getintvar(NULL, name);
+#else
+ char varname[SI_DEVPATH_BUFSZ + 32];
+
+ si_devpathvar(sih, varname, sizeof(varname), name);
+
+ return getintvar(NULL, varname);
+#endif
+}
+
+char *si_getnvramflvar(si_t *sih, const char *name)
+{
+ return getvar(NULL, name);
+}
+
+/* Concatenate the dev path with a varname into the given 'var' buffer
+ * and return the 'var' pointer. Nothing is done to the arguments if
+ * len == 0 or var is NULL, var is still returned. On overflow, the
+ * first char will be set to '\0'.
+ */
+static char *si_devpathvar(si_t *sih, char *var, int len, const char *name)
+{
+ uint path_len;
+
+ if (!var || len <= 0)
+ return var;
+
+ if (si_devpath(sih, var, len) == 0) {
+ path_len = strlen(var);
+
+ if (strlen(name) + 1 > (uint) (len - path_len))
+ var[0] = '\0';
+ else
+ strncpy(var + path_len, name, len - path_len - 1);
+ }
+
+ return var;
+}
+
+/* return true if PCIE capability exists in the pci config space */
+static __used bool si_ispcie(si_info_t *sii)
+{
+ u8 cap_ptr;
+
+ if (sii->pub.bustype != PCI_BUS)
+ return false;
+
+ cap_ptr =
+ pcicore_find_pci_capability(sii->pbus, PCI_CAP_ID_EXP, NULL,
+ NULL);
+ if (!cap_ptr)
+ return false;
+
+ return true;
+}
+
+bool si_pci_war16165(si_t *sih)
+{
+ si_info_t *sii;
+
+ sii = SI_INFO(sih);
+
+ return PCI(sii) && (sih->buscorerev <= 10);
+}
+
+void si_pci_up(si_t *sih)
+{
+ si_info_t *sii;
+
+ sii = SI_INFO(sih);
+
+ /* if not pci bus, we're done */
+ if (sih->bustype != PCI_BUS)
+ return;
+
+ if (PCI_FORCEHT(sii))
+ _si_clkctl_cc(sii, CLK_FAST);
+
+ if (PCIE(sii))
+ pcicore_up(sii->pch, SI_PCIUP);
+
+}
+
+/* Unconfigure and/or apply various WARs when system is going to sleep mode */
+void si_pci_sleep(si_t *sih)
+{
+ si_info_t *sii;
+
+ sii = SI_INFO(sih);
+
+ pcicore_sleep(sii->pch);
+}
+
+/* Unconfigure and/or apply various WARs when going down */
+void si_pci_down(si_t *sih)
+{
+ si_info_t *sii;
+
+ sii = SI_INFO(sih);
+
+ /* if not pci bus, we're done */
+ if (sih->bustype != PCI_BUS)
+ return;
+
+ /* release FORCEHT since chip is going to "down" state */
+ if (PCI_FORCEHT(sii))
+ _si_clkctl_cc(sii, CLK_DYNAMIC);
+
+ pcicore_down(sii->pch, SI_PCIDOWN);
+}
+
+/*
+ * Configure the pci core for pci client (NIC) action
+ * coremask is the bitvec of cores by index to be enabled.
+ */
+void si_pci_setup(si_t *sih, uint coremask)
+{
+ si_info_t *sii;
+ struct sbpciregs *pciregs = NULL;
+ u32 siflag = 0, w;
+ uint idx = 0;
+
+ sii = SI_INFO(sih);
+
+ if (sii->pub.bustype != PCI_BUS)
+ return;
+
+ ASSERT(PCI(sii) || PCIE(sii));
+ ASSERT(sii->pub.buscoreidx != BADIDX);
+
+ if (PCI(sii)) {
+ /* get current core index */
+ idx = sii->curidx;
+
+ /* we interrupt on this backplane flag number */
+ siflag = si_flag(sih);
+
+ /* switch over to pci core */
+ pciregs = si_setcoreidx(sih, sii->pub.buscoreidx);
+ }
+
+ /*
+ * Enable sb->pci interrupts. Assume
+ * PCI rev 2.3 support was added in pci core rev 6 and things changed..
+ */
+ if (PCIE(sii) || (PCI(sii) && ((sii->pub.buscorerev) >= 6))) {
+ /* pci config write to set this core bit in PCIIntMask */
+ pci_read_config_dword(sii->pbus, PCI_INT_MASK, &w);
+ w |= (coremask << PCI_SBIM_SHIFT);
+ pci_write_config_dword(sii->pbus, PCI_INT_MASK, w);
+ } else {
+ /* set sbintvec bit for our flag number */
+ si_setint(sih, siflag);
+ }
+
+ if (PCI(sii)) {
+ OR_REG(&pciregs->sbtopci2,
+ (SBTOPCI_PREF | SBTOPCI_BURST));
+ if (sii->pub.buscorerev >= 11) {
+ OR_REG(&pciregs->sbtopci2,
+ SBTOPCI_RC_READMULTI);
+ w = R_REG(&pciregs->clkrun);
+ W_REG(&pciregs->clkrun,
+ (w | PCI_CLKRUN_DSBL));
+ w = R_REG(&pciregs->clkrun);
+ }
+
+ /* switch back to previous core */
+ si_setcoreidx(sih, idx);
+ }
+}
+
+/*
+ * Fixup SROMless PCI device's configuration.
+ * The current core may be changed upon return.
+ */
+int si_pci_fixcfg(si_t *sih)
+{
+ uint origidx, pciidx;
+ struct sbpciregs *pciregs = NULL;
+ sbpcieregs_t *pcieregs = NULL;
+ void *regs = NULL;
+ u16 val16, *reg16 = NULL;
+
+ si_info_t *sii = SI_INFO(sih);
+
+ ASSERT(sii->pub.bustype == PCI_BUS);
+
+ /* Fixup PI in SROM shadow area to enable the correct PCI core access */
+ /* save the current index */
+ origidx = ai_coreidx(&sii->pub);
+
+ /* check 'pi' is correct and fix it if not */
+ if (sii->pub.buscoretype == PCIE_CORE_ID) {
+ pcieregs = si_setcore(&sii->pub, PCIE_CORE_ID, 0);
+ regs = pcieregs;
+ ASSERT(pcieregs != NULL);
+ reg16 = &pcieregs->sprom[SRSH_PI_OFFSET];
+ } else if (sii->pub.buscoretype == PCI_CORE_ID) {
+ pciregs = si_setcore(&sii->pub, PCI_CORE_ID, 0);
+ regs = pciregs;
+ ASSERT(pciregs != NULL);
+ reg16 = &pciregs->sprom[SRSH_PI_OFFSET];
+ }
+ pciidx = ai_coreidx(&sii->pub);
+ val16 = R_REG(reg16);
+ if (((val16 & SRSH_PI_MASK) >> SRSH_PI_SHIFT) != (u16) pciidx) {
+ val16 =
+ (u16) (pciidx << SRSH_PI_SHIFT) | (val16 &
+ ~SRSH_PI_MASK);
+ W_REG(reg16, val16);
+ }
+
+ /* restore the original index */
+ si_setcoreidx(&sii->pub, origidx);
+
+ pcicore_hwup(sii->pch);
+ return 0;
+}
+
+/* mask&set gpiocontrol bits */
+u32 si_gpiocontrol(si_t *sih, u32 mask, u32 val, u8 priority)
+{
+ uint regoff;
+
+ regoff = 0;
+
+ /* gpios could be shared on router platforms
+ * ignore reservation if it's high priority (e.g., test apps)
+ */
+ if ((priority != GPIO_HI_PRIORITY) &&
+ (sih->bustype == SI_BUS) && (val || mask)) {
+ mask = priority ? (si_gpioreservation & mask) :
+ ((si_gpioreservation | mask) & ~(si_gpioreservation));
+ val &= mask;
+ }
+
+ regoff = offsetof(chipcregs_t, gpiocontrol);
+ return si_corereg(sih, SI_CC_IDX, regoff, mask, val);
+}
+
+void si_chipcontrl_epa4331(si_t *sih, bool on)
+{
+ si_info_t *sii;
+ chipcregs_t *cc;
+ uint origidx;
+ u32 val;
+
+ sii = SI_INFO(sih);
+ origidx = ai_coreidx(sih);
+
+ cc = (chipcregs_t *) si_setcore(sih, CC_CORE_ID, 0);
+
+ val = R_REG(&cc->chipcontrol);
+
+ if (on) {
+ if (sih->chippkg == 9 || sih->chippkg == 0xb) {
+ /* Ext PA Controls for 4331 12x9 Package */
+ W_REG(&cc->chipcontrol, val |
+ (CCTRL4331_EXTPA_EN |
+ CCTRL4331_EXTPA_ON_GPIO2_5));
+ } else {
+ /* Ext PA Controls for 4331 12x12 Package */
+ W_REG(&cc->chipcontrol,
+ val | (CCTRL4331_EXTPA_EN));
+ }
+ } else {
+ val &= ~(CCTRL4331_EXTPA_EN | CCTRL4331_EXTPA_ON_GPIO2_5);
+ W_REG(&cc->chipcontrol, val);
+ }
+
+ si_setcoreidx(sih, origidx);
+}
+
+/* Enable BT-COEX & Ex-PA for 4313 */
+void si_epa_4313war(si_t *sih)
+{
+ si_info_t *sii;
+ chipcregs_t *cc;
+ uint origidx;
+
+ sii = SI_INFO(sih);
+ origidx = ai_coreidx(sih);
+
+ cc = (chipcregs_t *) si_setcore(sih, CC_CORE_ID, 0);
+
+ /* EPA Fix */
+ W_REG(&cc->gpiocontrol,
+ R_REG(&cc->gpiocontrol) | GPIO_CTRL_EPA_EN_MASK);
+
+ si_setcoreidx(sih, origidx);
+}
+
+/* check if the device is removed */
+bool si_deviceremoved(si_t *sih)
+{
+ u32 w;
+ si_info_t *sii;
+
+ sii = SI_INFO(sih);
+
+ switch (sih->bustype) {
+ case PCI_BUS:
+ ASSERT(sii->pbus != NULL);
+ pci_read_config_dword(sii->pbus, PCI_VENDOR_ID, &w);
+ if ((w & 0xFFFF) != PCI_VENDOR_ID_BROADCOM)
+ return true;
+ break;
+ }
+ return false;
+}
+
+bool si_is_sprom_available(si_t *sih)
+{
+ if (sih->ccrev >= 31) {
+ si_info_t *sii;
+ uint origidx;
+ chipcregs_t *cc;
+ u32 sromctrl;
+
+ if ((sih->cccaps & CC_CAP_SROM) == 0)
+ return false;
+
+ sii = SI_INFO(sih);
+ origidx = sii->curidx;
+ cc = si_setcoreidx(sih, SI_CC_IDX);
+ sromctrl = R_REG(&cc->sromcontrol);
+ si_setcoreidx(sih, origidx);
+ return sromctrl & SRC_PRESENT;
+ }
+
+ switch (sih->chip) {
+ case BCM4329_CHIP_ID:
+ return (sih->chipst & CST4329_SPROM_SEL) != 0;
+ case BCM4319_CHIP_ID:
+ return (sih->chipst & CST4319_SPROM_SEL) != 0;
+ case BCM4336_CHIP_ID:
+ return (sih->chipst & CST4336_SPROM_PRESENT) != 0;
+ case BCM4330_CHIP_ID:
+ return (sih->chipst & CST4330_SPROM_PRESENT) != 0;
+ case BCM4313_CHIP_ID:
+ return (sih->chipst & CST4313_SPROM_PRESENT) != 0;
+ case BCM4331_CHIP_ID:
+ return (sih->chipst & CST4331_SPROM_PRESENT) != 0;
+ default:
+ return true;
+ }
+}
+
+bool si_is_otp_disabled(si_t *sih)
+{
+ switch (sih->chip) {
+ case BCM4329_CHIP_ID:
+ return (sih->chipst & CST4329_SPROM_OTP_SEL_MASK) ==
+ CST4329_OTP_PWRDN;
+ case BCM4319_CHIP_ID:
+ return (sih->chipst & CST4319_SPROM_OTP_SEL_MASK) ==
+ CST4319_OTP_PWRDN;
+ case BCM4336_CHIP_ID:
+ return (sih->chipst & CST4336_OTP_PRESENT) == 0;
+ case BCM4330_CHIP_ID:
+ return (sih->chipst & CST4330_OTP_PRESENT) == 0;
+ case BCM4313_CHIP_ID:
+ return (sih->chipst & CST4313_OTP_PRESENT) == 0;
+ /* These chips always have their OTP on */
+ case BCM43224_CHIP_ID:
+ case BCM43225_CHIP_ID:
+ case BCM43421_CHIP_ID:
+ case BCM43235_CHIP_ID:
+ case BCM43236_CHIP_ID:
+ case BCM43238_CHIP_ID:
+ case BCM4331_CHIP_ID:
+ default:
+ return false;
+ }
+}
+
+bool si_is_otp_powered(si_t *sih)
+{
+ if (PMUCTL_ENAB(sih))
+ return si_pmu_is_otp_powered(sih);
+ return true;
+}
+
+void si_otp_power(si_t *sih, bool on)
+{
+ if (PMUCTL_ENAB(sih))
+ si_pmu_otp_power(sih, on);
+ udelay(1000);
+}
+
projects / linux-beck.git / commitdiff