/*
- * (C) Copyright 2000-2006
+ * (C) Copyright 2000-2007
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
#include <watchdog.h>
#include <ppc4xx_enet.h>
#include <asm/processor.h>
+#include <asm/gpio.h>
#include <ppc4xx.h>
#if defined(CONFIG_405GP) || defined(CONFIG_405EP)
DECLARE_GLOBAL_DATA_PTR;
#endif
+#ifndef CONFIG_SYS_PLL_RECONFIG
+#define CONFIG_SYS_PLL_RECONFIG 0
+#endif
-#define mtebc(reg, data) mtdcr(ebccfga,reg);mtdcr(ebccfgd,data)
-
-#ifdef CFG_INIT_DCACHE_CS
-# if (CFG_INIT_DCACHE_CS == 0)
-# define PBxAP pb0ap
-# define PBxCR pb0cr
-# if (defined(CFG_EBC_PB0AP) && defined(CFG_EBC_PB0CR))
-# define PBxAP_VAL CFG_EBC_PB0AP
-# define PBxCR_VAL CFG_EBC_PB0CR
-# endif
-# endif
-# if (CFG_INIT_DCACHE_CS == 1)
-# define PBxAP pb1ap
-# define PBxCR pb1cr
-# if (defined(CFG_EBC_PB1AP) && defined(CFG_EBC_PB1CR))
-# define PBxAP_VAL CFG_EBC_PB1AP
-# define PBxCR_VAL CFG_EBC_PB1CR
-# endif
-# endif
-# if (CFG_INIT_DCACHE_CS == 2)
-# define PBxAP pb2ap
-# define PBxCR pb2cr
-# if (defined(CFG_EBC_PB2AP) && defined(CFG_EBC_PB2CR))
-# define PBxAP_VAL CFG_EBC_PB2AP
-# define PBxCR_VAL CFG_EBC_PB2CR
-# endif
-# endif
-# if (CFG_INIT_DCACHE_CS == 3)
-# define PBxAP pb3ap
-# define PBxCR pb3cr
-# if (defined(CFG_EBC_PB3AP) && defined(CFG_EBC_PB3CR))
-# define PBxAP_VAL CFG_EBC_PB3AP
-# define PBxCR_VAL CFG_EBC_PB3CR
-# endif
-# endif
-# if (CFG_INIT_DCACHE_CS == 4)
-# define PBxAP pb4ap
-# define PBxCR pb4cr
-# if (defined(CFG_EBC_PB4AP) && defined(CFG_EBC_PB4CR))
-# define PBxAP_VAL CFG_EBC_PB4AP
-# define PBxCR_VAL CFG_EBC_PB4CR
-# endif
-# endif
-# if (CFG_INIT_DCACHE_CS == 5)
-# define PBxAP pb5ap
-# define PBxCR pb5cr
-# if (defined(CFG_EBC_PB5AP) && defined(CFG_EBC_PB5CR))
-# define PBxAP_VAL CFG_EBC_PB5AP
-# define PBxCR_VAL CFG_EBC_PB5CR
-# endif
-# endif
-# if (CFG_INIT_DCACHE_CS == 6)
-# define PBxAP pb6ap
-# define PBxCR pb6cr
-# if (defined(CFG_EBC_PB6AP) && defined(CFG_EBC_PB6CR))
-# define PBxAP_VAL CFG_EBC_PB6AP
-# define PBxCR_VAL CFG_EBC_PB6CR
-# endif
-# endif
-# if (CFG_INIT_DCACHE_CS == 7)
-# define PBxAP pb7ap
-# define PBxCR pb7cr
-# if (defined(CFG_EBC_PB7AP) && defined(CFG_EBC_PB7CR))
-# define PBxAP_VAL CFG_EBC_PB7AP
-# define PBxCR_VAL CFG_EBC_PB7CR
-# endif
-# endif
-#endif /* CFG_INIT_DCACHE_CS */
-
-#if defined(CFG_440_GPIO_TABLE)
-gpio_param_s gpio_tab[GPIO_GROUP_MAX][GPIO_MAX] = CFG_440_GPIO_TABLE;
-
-void set_chip_gpio_configuration(gpio_param_s (*gpio_tab)[GPIO_GROUP_MAX][GPIO_MAX])
+void reconfigure_pll(u32 new_cpu_freq)
{
- unsigned char i=0, j=0, reg_offset = 0, gpio_core;
- unsigned long gpio_reg, gpio_core_add;
-
- for (gpio_core=0; gpio_core<GPIO_GROUP_MAX; gpio_core++) {
- j = 0;
- reg_offset = 0;
- /* GPIO config of the GPIOs 0 to 31 */
- for (i=0; i<GPIO_MAX; i++, j++) {
- if (i == GPIO_MAX/2) {
- reg_offset = 4;
- j = i-16;
- }
-
- gpio_core_add = (*gpio_tab)[gpio_core][i].add;
-
- if (((*gpio_tab)[gpio_core][i].in_out == GPIO_IN) ||
- ((*gpio_tab)[gpio_core][i].in_out == GPIO_BI)) {
-
- switch ((*gpio_tab)[gpio_core][i].alt_nb) {
- case GPIO_SEL:
- break;
-
- case GPIO_ALT1:
- gpio_reg = in32(GPIO_IS1(gpio_core_add+reg_offset))
- & ~(GPIO_MASK >> (j*2));
- gpio_reg = gpio_reg | (GPIO_IN_SEL >> (j*2));
- out32(GPIO_IS1(gpio_core_add+reg_offset), gpio_reg);
- break;
-
- case GPIO_ALT2:
- gpio_reg = in32(GPIO_IS2(gpio_core_add+reg_offset))
- & ~(GPIO_MASK >> (j*2));
- gpio_reg = gpio_reg | (GPIO_IN_SEL >> (j*2));
- out32(GPIO_IS2(gpio_core_add+reg_offset), gpio_reg);
- break;
-
- case GPIO_ALT3:
- gpio_reg = in32(GPIO_IS3(gpio_core_add+reg_offset))
- & ~(GPIO_MASK >> (j*2));
- gpio_reg = gpio_reg | (GPIO_IN_SEL >> (j*2));
- out32(GPIO_IS3(gpio_core_add+reg_offset), gpio_reg);
- break;
- }
- }
-
- if (((*gpio_tab)[gpio_core][i].in_out == GPIO_OUT) ||
- ((*gpio_tab)[gpio_core][i].in_out == GPIO_BI)) {
-
- switch ((*gpio_tab)[gpio_core][i].alt_nb) {
- case GPIO_SEL:
- if (gpio_core == GPIO0) {
- gpio_reg = in32(GPIO0_TCR) | (0x80000000 >> (j));
- out32(GPIO0_TCR, gpio_reg);
- }
-
- if (gpio_core == GPIO1) {
- gpio_reg = in32(GPIO1_TCR) | (0x80000000 >> (j));
- out32(GPIO1_TCR, gpio_reg);
- }
-
- gpio_reg = in32(GPIO_OS(gpio_core_add+reg_offset))
- & ~(GPIO_MASK >> (j*2));
- out32(GPIO_OS(gpio_core_add+reg_offset), gpio_reg);
- gpio_reg = in32(GPIO_TS(gpio_core_add+reg_offset))
- & ~(GPIO_MASK >> (j*2));
- out32(GPIO_TS(gpio_core_add+reg_offset), gpio_reg);
- break;
-
- case GPIO_ALT1:
- gpio_reg = in32(GPIO_OS(gpio_core_add+reg_offset))
- & ~(GPIO_MASK >> (j*2));
- gpio_reg = gpio_reg | (GPIO_ALT1_SEL >> (j*2));
- out32(GPIO_OS(gpio_core_add+reg_offset), gpio_reg);
- gpio_reg = in32(GPIO_TS(gpio_core_add+reg_offset))
- & ~(GPIO_MASK >> (j*2));
- gpio_reg = gpio_reg | (GPIO_ALT1_SEL >> (j*2));
- out32(GPIO_TS(gpio_core_add+reg_offset), gpio_reg);
- break;
-
- case GPIO_ALT2:
- gpio_reg = in32(GPIO_OS(gpio_core_add+reg_offset))
- & ~(GPIO_MASK >> (j*2));
- gpio_reg = gpio_reg | (GPIO_ALT2_SEL >> (j*2));
- out32(GPIO_OS(gpio_core_add+reg_offset), gpio_reg);
- gpio_reg = in32(GPIO_TS(gpio_core_add+reg_offset))
- & ~(GPIO_MASK >> (j*2));
- gpio_reg = gpio_reg | (GPIO_ALT2_SEL >> (j*2));
- out32(GPIO_TS(gpio_core_add+reg_offset), gpio_reg);
- break;
-
- case GPIO_ALT3:
- gpio_reg = in32(GPIO_OS(gpio_core_add+reg_offset))
- & ~(GPIO_MASK >> (j*2));
- gpio_reg = gpio_reg | (GPIO_ALT3_SEL >> (j*2));
- out32(GPIO_OS(gpio_core_add+reg_offset), gpio_reg);
- gpio_reg = in32(GPIO_TS(gpio_core_add+reg_offset))
- & ~(GPIO_MASK >> (j*2));
- gpio_reg = gpio_reg | (GPIO_ALT3_SEL >> (j*2));
- out32(GPIO_TS(gpio_core_add+reg_offset), gpio_reg);
- break;
- }
- }
+#if defined(CONFIG_440EPX)
+ int reset_needed = 0;
+ u32 reg, temp;
+ u32 prbdv0, target_prbdv0, /* CLK_PRIMBD */
+ fwdva, target_fwdva, fwdvb, target_fwdvb, /* CLK_PLLD */
+ fbdv, target_fbdv, lfbdv, target_lfbdv,
+ perdv0, target_perdv0, /* CLK_PERD */
+ spcid0, target_spcid0; /* CLK_SPCID */
+
+ /* Reconfigure clocks if necessary.
+ * See PPC440EPx User's Manual, sections 8.2 and 14 */
+ if (new_cpu_freq == 667) {
+ target_prbdv0 = 2;
+ target_fwdva = 2;
+ target_fwdvb = 4;
+ target_fbdv = 20;
+ target_lfbdv = 1;
+ target_perdv0 = 4;
+ target_spcid0 = 4;
+
+ mfcpr(clk_primbd, reg);
+ temp = (reg & PRBDV_MASK) >> 24;
+ prbdv0 = temp ? temp : 8;
+ if (prbdv0 != target_prbdv0) {
+ reg &= ~PRBDV_MASK;
+ reg |= ((target_prbdv0 == 8 ? 0 : target_prbdv0) << 24);
+ mtcpr(clk_primbd, reg);
+ reset_needed = 1;
+ }
+
+ mfcpr(clk_plld, reg);
+
+ temp = (reg & PLLD_FWDVA_MASK) >> 16;
+ fwdva = temp ? temp : 16;
+
+ temp = (reg & PLLD_FWDVB_MASK) >> 8;
+ fwdvb = temp ? temp : 8;
+
+ temp = (reg & PLLD_FBDV_MASK) >> 24;
+ fbdv = temp ? temp : 32;
+
+ temp = (reg & PLLD_LFBDV_MASK);
+ lfbdv = temp ? temp : 64;
+
+ if (fwdva != target_fwdva || fbdv != target_fbdv || lfbdv != target_lfbdv) {
+ reg &= ~(PLLD_FWDVA_MASK | PLLD_FWDVB_MASK |
+ PLLD_FBDV_MASK | PLLD_LFBDV_MASK);
+ reg |= ((target_fwdva == 16 ? 0 : target_fwdva) << 16) |
+ ((target_fwdvb == 8 ? 0 : target_fwdvb) << 8) |
+ ((target_fbdv == 32 ? 0 : target_fbdv) << 24) |
+ (target_lfbdv == 64 ? 0 : target_lfbdv);
+ mtcpr(clk_plld, reg);
+ reset_needed = 1;
+ }
+
+ mfcpr(clk_perd, reg);
+ perdv0 = (reg & CPR0_PERD_PERDV0_MASK) >> 24;
+ if (perdv0 != target_perdv0) {
+ reg &= ~CPR0_PERD_PERDV0_MASK;
+ reg |= (target_perdv0 << 24);
+ mtcpr(clk_perd, reg);
+ reset_needed = 1;
+ }
+
+ mfcpr(clk_spcid, reg);
+ temp = (reg & CPR0_SPCID_SPCIDV0_MASK) >> 24;
+ spcid0 = temp ? temp : 4;
+ if (spcid0 != target_spcid0) {
+ reg &= ~CPR0_SPCID_SPCIDV0_MASK;
+ reg |= ((target_spcid0 == 4 ? 0 : target_spcid0) << 24);
+ mtcpr(clk_spcid, reg);
+ reset_needed = 1;
}
+
+ /* Set reload inhibit so configuration will persist across
+ * processor resets */
+ mfcpr(clk_icfg, reg);
+ reg &= ~CPR0_ICFG_RLI_MASK;
+ reg |= 1 << 31;
+ mtcpr(clk_icfg, reg);
+ }
+
+ /* Reset processor if configuration changed */
+ if (reset_needed) {
+ __asm__ __volatile__ ("sync; isync");
+ mtspr(SPRN_DBCR0, 0x20000000);
}
+#endif
}
-#endif /* CFG_440_GPIO_TABLE */
/*
* Breath some life into the CPU...
*
- * Set up the memory map,
+ * Reconfigure PLL if necessary,
+ * set up the memory map,
* initialize a bunch of registers
*/
void
cpu_init_f (void)
{
-#if defined(CONFIG_405EP)
+#if defined(CONFIG_WATCHDOG) || defined(CONFIG_440GX) || defined(CONFIG_460EX)
+ u32 val;
+#endif
+
+ reconfigure_pll(CONFIG_SYS_PLL_RECONFIG);
+
+#if (defined(CONFIG_405EP) || defined (CONFIG_405EX)) && !defined(CONFIG_SYS_4xx_GPIO_TABLE)
/*
* GPIO0 setup (select GPIO or alternate function)
*/
-#if defined(CFG_GPIO0_OR)
- out32(GPIO0_OR, CFG_GPIO0_OR); /* set initial state of output pins */
+#if defined(CONFIG_SYS_GPIO0_OR)
+ out32(GPIO0_OR, CONFIG_SYS_GPIO0_OR); /* set initial state of output pins */
+#endif
+#if defined(CONFIG_SYS_GPIO0_ODR)
+ out32(GPIO0_ODR, CONFIG_SYS_GPIO0_ODR); /* open-drain select */
+#endif
+ out32(GPIO0_OSRH, CONFIG_SYS_GPIO0_OSRH); /* output select */
+ out32(GPIO0_OSRL, CONFIG_SYS_GPIO0_OSRL);
+ out32(GPIO0_ISR1H, CONFIG_SYS_GPIO0_ISR1H); /* input select */
+ out32(GPIO0_ISR1L, CONFIG_SYS_GPIO0_ISR1L);
+ out32(GPIO0_TSRH, CONFIG_SYS_GPIO0_TSRH); /* three-state select */
+ out32(GPIO0_TSRL, CONFIG_SYS_GPIO0_TSRL);
+#if defined(CONFIG_SYS_GPIO0_ISR2H)
+ out32(GPIO0_ISR2H, CONFIG_SYS_GPIO0_ISR2H);
+ out32(GPIO0_ISR2L, CONFIG_SYS_GPIO0_ISR2L);
#endif
-#if defined(CFG_GPIO0_ODR)
- out32(GPIO0_ODR, CFG_GPIO0_ODR); /* open-drain select */
+#if defined (CONFIG_SYS_GPIO0_TCR)
+ out32(GPIO0_TCR, CONFIG_SYS_GPIO0_TCR); /* enable output driver for outputs */
#endif
- out32(GPIO0_OSRH, CFG_GPIO0_OSRH); /* output select */
- out32(GPIO0_OSRL, CFG_GPIO0_OSRL);
- out32(GPIO0_ISR1H, CFG_GPIO0_ISR1H); /* input select */
- out32(GPIO0_ISR1L, CFG_GPIO0_ISR1L);
- out32(GPIO0_TSRH, CFG_GPIO0_TSRH); /* three-state select */
- out32(GPIO0_TSRL, CFG_GPIO0_TSRL);
- out32(GPIO0_TCR, CFG_GPIO0_TCR); /* enable output driver for outputs */
+#endif /* CONFIG_405EP ... && !CONFIG_SYS_4xx_GPIO_TABLE */
+#if defined (CONFIG_405EP)
/*
* Set EMAC noise filter bits
*/
mtdcr(cpc0_epctl, CPC0_EPRCSR_E0NFE | CPC0_EPRCSR_E1NFE);
#endif /* CONFIG_405EP */
-#if defined(CFG_440_GPIO_TABLE)
- set_chip_gpio_configuration(&gpio_tab);
-#endif /* CFG_440_GPIO_TABLE */
+#if defined(CONFIG_SYS_4xx_GPIO_TABLE)
+ gpio_set_chip_configuration();
+#endif /* CONFIG_SYS_4xx_GPIO_TABLE */
/*
* External Bus Controller (EBC) Setup
*/
-#if (defined(CFG_EBC_PB0AP) && defined(CFG_EBC_PB0CR))
+#if (defined(CONFIG_SYS_EBC_PB0AP) && defined(CONFIG_SYS_EBC_PB0CR))
#if (defined(CONFIG_405GP) || defined(CONFIG_405CR) || \
- defined(CONFIG_405EP) || defined(CONFIG_405))
+ defined(CONFIG_405EP) || defined(CONFIG_405EZ) || \
+ defined(CONFIG_405EX) || defined(CONFIG_405))
/*
* Move the next instructions into icache, since these modify the flash
* we are running from!
*/
asm volatile(" bl 0f" ::: "lr");
asm volatile("0: mflr 3" ::: "r3");
- asm volatile(" addi 4, 0, 14" ::: "r4");
+ asm volatile(" addi 4, 0, 14" ::: "r4");
asm volatile(" mtctr 4" ::: "ctr");
asm volatile("1: icbt 0, 3");
asm volatile(" addi 3, 3, 32" ::: "r3");
asm volatile("2: bdnz 2b" ::: "ctr", "cr0");
#endif
- mtebc(pb0ap, CFG_EBC_PB0AP);
- mtebc(pb0cr, CFG_EBC_PB0CR);
+ mtebc(pb0ap, CONFIG_SYS_EBC_PB0AP);
+ mtebc(pb0cr, CONFIG_SYS_EBC_PB0CR);
#endif
-#if (defined(CFG_EBC_PB1AP) && defined(CFG_EBC_PB1CR) && !(CFG_INIT_DCACHE_CS == 1))
- mtebc(pb1ap, CFG_EBC_PB1AP);
- mtebc(pb1cr, CFG_EBC_PB1CR);
+#if (defined(CONFIG_SYS_EBC_PB1AP) && defined(CONFIG_SYS_EBC_PB1CR) && !(CONFIG_SYS_INIT_DCACHE_CS == 1))
+ mtebc(pb1ap, CONFIG_SYS_EBC_PB1AP);
+ mtebc(pb1cr, CONFIG_SYS_EBC_PB1CR);
#endif
-#if (defined(CFG_EBC_PB2AP) && defined(CFG_EBC_PB2CR) && !(CFG_INIT_DCACHE_CS == 2))
- mtebc(pb2ap, CFG_EBC_PB2AP);
- mtebc(pb2cr, CFG_EBC_PB2CR);
+#if (defined(CONFIG_SYS_EBC_PB2AP) && defined(CONFIG_SYS_EBC_PB2CR) && !(CONFIG_SYS_INIT_DCACHE_CS == 2))
+ mtebc(pb2ap, CONFIG_SYS_EBC_PB2AP);
+ mtebc(pb2cr, CONFIG_SYS_EBC_PB2CR);
#endif
-#if (defined(CFG_EBC_PB3AP) && defined(CFG_EBC_PB3CR) && !(CFG_INIT_DCACHE_CS == 3))
- mtebc(pb3ap, CFG_EBC_PB3AP);
- mtebc(pb3cr, CFG_EBC_PB3CR);
+#if (defined(CONFIG_SYS_EBC_PB3AP) && defined(CONFIG_SYS_EBC_PB3CR) && !(CONFIG_SYS_INIT_DCACHE_CS == 3))
+ mtebc(pb3ap, CONFIG_SYS_EBC_PB3AP);
+ mtebc(pb3cr, CONFIG_SYS_EBC_PB3CR);
#endif
-#if (defined(CFG_EBC_PB4AP) && defined(CFG_EBC_PB4CR) && !(CFG_INIT_DCACHE_CS == 4))
- mtebc(pb4ap, CFG_EBC_PB4AP);
- mtebc(pb4cr, CFG_EBC_PB4CR);
+#if (defined(CONFIG_SYS_EBC_PB4AP) && defined(CONFIG_SYS_EBC_PB4CR) && !(CONFIG_SYS_INIT_DCACHE_CS == 4))
+ mtebc(pb4ap, CONFIG_SYS_EBC_PB4AP);
+ mtebc(pb4cr, CONFIG_SYS_EBC_PB4CR);
#endif
-#if (defined(CFG_EBC_PB5AP) && defined(CFG_EBC_PB5CR) && !(CFG_INIT_DCACHE_CS == 5))
- mtebc(pb5ap, CFG_EBC_PB5AP);
- mtebc(pb5cr, CFG_EBC_PB5CR);
+#if (defined(CONFIG_SYS_EBC_PB5AP) && defined(CONFIG_SYS_EBC_PB5CR) && !(CONFIG_SYS_INIT_DCACHE_CS == 5))
+ mtebc(pb5ap, CONFIG_SYS_EBC_PB5AP);
+ mtebc(pb5cr, CONFIG_SYS_EBC_PB5CR);
#endif
-#if (defined(CFG_EBC_PB6AP) && defined(CFG_EBC_PB6CR) && !(CFG_INIT_DCACHE_CS == 6))
- mtebc(pb6ap, CFG_EBC_PB6AP);
- mtebc(pb6cr, CFG_EBC_PB6CR);
+#if (defined(CONFIG_SYS_EBC_PB6AP) && defined(CONFIG_SYS_EBC_PB6CR) && !(CONFIG_SYS_INIT_DCACHE_CS == 6))
+ mtebc(pb6ap, CONFIG_SYS_EBC_PB6AP);
+ mtebc(pb6cr, CONFIG_SYS_EBC_PB6CR);
#endif
-#if (defined(CFG_EBC_PB7AP) && defined(CFG_EBC_PB7CR) && !(CFG_INIT_DCACHE_CS == 7))
- mtebc(pb7ap, CFG_EBC_PB7AP);
- mtebc(pb7cr, CFG_EBC_PB7CR);
+#if (defined(CONFIG_SYS_EBC_PB7AP) && defined(CONFIG_SYS_EBC_PB7CR) && !(CONFIG_SYS_INIT_DCACHE_CS == 7))
+ mtebc(pb7ap, CONFIG_SYS_EBC_PB7AP);
+ mtebc(pb7cr, CONFIG_SYS_EBC_PB7CR);
#endif
-#if defined(CONFIG_WATCHDOG)
- unsigned long val;
+#if defined (CONFIG_SYS_EBC_CFG)
+ mtebc(EBC0_CFG, CONFIG_SYS_EBC_CFG);
+#endif
+#if defined(CONFIG_WATCHDOG)
val = mfspr(tcr);
#if defined(CONFIG_440EP) || defined(CONFIG_440GR)
val |= 0xb8000000; /* generate system reset after 1.34 seconds */
+#elif defined(CONFIG_440EPX)
+ val |= 0xb0000000; /* generate system reset after 1.34 seconds */
#else
val |= 0xf0000000; /* generate system reset after 2.684 seconds */
+#endif
+#if defined(CONFIG_SYS_4xx_RESET_TYPE)
+ val &= ~0x30000000; /* clear WRC bits */
+ val |= CONFIG_SYS_4xx_RESET_TYPE << 28; /* set board specific WRC type */
#endif
mtspr(tcr, val);
reset_4xx_watchdog();
#endif /* CONFIG_WATCHDOG */
+
+#if defined(CONFIG_440GX)
+ /* Take the GX out of compatibility mode
+ * Travis Sawyer, 9 Mar 2004
+ * NOTE: 440gx user manual inconsistency here
+ * Compatibility mode and Ethernet Clock select are not
+ * correct in the manual
+ */
+ mfsdr(sdr_mfr, val);
+ val &= ~0x10000000;
+ mtsdr(sdr_mfr,val);
+#endif /* CONFIG_440GX */
+
+#if defined(CONFIG_460EX)
+ /*
+ * Set SDR0_AHB_CFG[A2P_INCR4] (bit 24) and
+ * clear SDR0_AHB_CFG[A2P_PROT2] (bit 25) for a new 460EX errata
+ * regarding concurrent use of AHB USB OTG, USB 2.0 host and SATA
+ */
+ mfsdr(SDR0_AHB_CFG, val);
+ val |= 0x80;
+ val &= ~0x40;
+ mtsdr(SDR0_AHB_CFG, val);
+ mfsdr(SDR0_USB2HOST_CFG, val);
+ val &= ~0xf00;
+ val |= 0x400;
+ mtsdr(SDR0_USB2HOST_CFG, val);
+#endif /* CONFIG_460EX */
+
+#if defined(CONFIG_405EX) || \
+ defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
+ defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
+ defined(CONFIG_460SX)
+ /*
+ * Set PLB4 arbiter (Segment 0 and 1) to 4 deep pipeline read
+ */
+ mtdcr(plb0_acr, (mfdcr(plb0_acr) & ~plb0_acr_rdp_mask) |
+ plb0_acr_rdp_4deep);
+ mtdcr(plb1_acr, (mfdcr(plb1_acr) & ~plb1_acr_rdp_mask) |
+ plb1_acr_rdp_4deep);
+#endif /* CONFIG_440SP/SPE || CONFIG_460EX/GT || CONFIG_405EX */
}
/*
*/
int cpu_init_r (void)
{
-#if defined(CONFIG_405GP) || defined(CONFIG_405EP)
- bd_t *bd = gd->bd;
- unsigned long reg;
#if defined(CONFIG_405GP)
uint pvr = get_pvr();
-#endif
-#ifdef CFG_INIT_DCACHE_CS
- /*
- * Flush and invalidate dcache, then disable CS for temporary stack.
- * Afterwards, this CS can be used for other purposes
- */
- dcache_disable(); /* flush and invalidate dcache */
- mtebc(PBxAP, 0);
- mtebc(PBxCR, 0); /* disable CS for temporary stack */
-
-#if (defined(PBxAP_VAL) && defined(PBxCR_VAL))
- /*
- * Write new value into CS register
- */
- mtebc(PBxAP, PBxAP_VAL);
- mtebc(PBxCR, PBxCR_VAL);
-#endif
-#endif /* CFG_INIT_DCACHE_CS */
-
- /*
- * Write Ethernetaddress into on-chip register
- */
- reg = 0x00000000;
- reg |= bd->bi_enetaddr[0]; /* set high address */
- reg = reg << 8;
- reg |= bd->bi_enetaddr[1];
- out32 (EMAC_IAH, reg);
-
- reg = 0x00000000;
- reg |= bd->bi_enetaddr[2]; /* set low address */
- reg = reg << 8;
- reg |= bd->bi_enetaddr[3];
- reg = reg << 8;
- reg |= bd->bi_enetaddr[4];
- reg = reg << 8;
- reg |= bd->bi_enetaddr[5];
- out32 (EMAC_IAL, reg);
-
-#if defined(CONFIG_405GP)
/*
* Set edge conditioning circuitry on PPC405GPr
* for compatibility to existing PPC405GP designs.
mtdcr(ecr, 0x60606000);
}
#endif /* defined(CONFIG_405GP) */
-#endif /* defined(CONFIG_405GP) || defined(CONFIG_405EP) */
- return (0);
+
+ return 0;
}
projects / karo-tx-uboot.git / blobdiff