Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[mv-sheeva.git] / arch / arm / mach-pxa / pxa27x.c

diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index d1fbf29d561c5cbe4b49e634ccb9953f6b1a4f27..987301ff4c33af17ac18c21fa9e24b77917976e4 100644 (file)
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -17,7 +17,10 @@
 #include <linux/suspend.h>
 #include <linux/platform_device.h>
 #include <linux/sysdev.h>
+#include <linux/io.h>
+#include <linux/irq.h>
 
+#include <asm/mach/map.h>
 #include <mach/hardware.h>
 #include <asm/irq.h>
 #include <mach/irqs.h>
@@ -27,6 +30,8 @@
 #include <mach/ohci.h>
 #include <mach/pm.h>
 #include <mach/dma.h>
+#include <mach/smemc.h>
+
 #include <plat/i2c.h>
 
 #include "generic.h"
@@ -107,10 +112,9 @@ unsigned int pxa27x_get_clk_frequency_khz(int info)
 }
 
 /*
- * Return the current mem clock frequency in units of 10kHz as
- * reflected by CCCR[A], B, and L
+ * Return the current mem clock frequency as reflected by CCCR[A], B, and L
  */
-unsigned int pxa27x_get_memclk_frequency_10khz(void)
+static unsigned long clk_pxa27x_mem_getrate(struct clk *clk)
 {
        unsigned long ccsr, clkcfg;
        unsigned int l, L, m, M;
@@ -129,9 +133,15 @@ unsigned int pxa27x_get_memclk_frequency_10khz(void)
        L = l * BASE_CLK;
        M = (!cccr_a) ? (L/m) : ((b) ? L : (L/2));
 
-       return (M / 10000);
+       return M;
 }
 
+static const struct clkops clk_pxa27x_mem_ops = {
+       .enable         = clk_dummy_enable,
+       .disable        = clk_dummy_disable,
+       .getrate        = clk_pxa27x_mem_getrate,
+};
+
 /*
  * Return the current LCD clock frequency in units of 10kHz as
  */
@@ -157,36 +167,38 @@ static unsigned long clk_pxa27x_lcd_getrate(struct clk *clk)
 }
 
 static const struct clkops clk_pxa27x_lcd_ops = {
-       .enable         = clk_cken_enable,
-       .disable        = clk_cken_disable,
+       .enable         = clk_pxa2xx_cken_enable,
+       .disable        = clk_pxa2xx_cken_disable,
        .getrate        = clk_pxa27x_lcd_getrate,
 };
 
+static DEFINE_PXA2_CKEN(pxa27x_ffuart, FFUART, 14857000, 1);
+static DEFINE_PXA2_CKEN(pxa27x_btuart, BTUART, 14857000, 1);
+static DEFINE_PXA2_CKEN(pxa27x_stuart, STUART, 14857000, 1);
+static DEFINE_PXA2_CKEN(pxa27x_i2s, I2S, 14682000, 0);
+static DEFINE_PXA2_CKEN(pxa27x_i2c, I2C, 32842000, 0);
+static DEFINE_PXA2_CKEN(pxa27x_usb, USB, 48000000, 5);
+static DEFINE_PXA2_CKEN(pxa27x_mmc, MMC, 19500000, 0);
+static DEFINE_PXA2_CKEN(pxa27x_ficp, FICP, 48000000, 0);
+static DEFINE_PXA2_CKEN(pxa27x_usbhost, USBHOST, 48000000, 0);
+static DEFINE_PXA2_CKEN(pxa27x_pwri2c, PWRI2C, 13000000, 0);
+static DEFINE_PXA2_CKEN(pxa27x_keypad, KEYPAD, 32768, 0);
+static DEFINE_PXA2_CKEN(pxa27x_ssp1, SSP1, 13000000, 0);
+static DEFINE_PXA2_CKEN(pxa27x_ssp2, SSP2, 13000000, 0);
+static DEFINE_PXA2_CKEN(pxa27x_ssp3, SSP3, 13000000, 0);
+static DEFINE_PXA2_CKEN(pxa27x_pwm0, PWM0, 13000000, 0);
+static DEFINE_PXA2_CKEN(pxa27x_pwm1, PWM1, 13000000, 0);
+static DEFINE_PXA2_CKEN(pxa27x_ac97, AC97, 24576000, 0);
+static DEFINE_PXA2_CKEN(pxa27x_ac97conf, AC97CONF, 24576000, 0);
+static DEFINE_PXA2_CKEN(pxa27x_msl, MSL, 48000000, 0);
+static DEFINE_PXA2_CKEN(pxa27x_usim, USIM, 48000000, 0);
+static DEFINE_PXA2_CKEN(pxa27x_memstk, MEMSTK, 19500000, 0);
+static DEFINE_PXA2_CKEN(pxa27x_im, IM, 0, 0);
+static DEFINE_PXA2_CKEN(pxa27x_memc, MEMC, 0, 0);
+
 static DEFINE_CK(pxa27x_lcd, LCD, &clk_pxa27x_lcd_ops);
 static DEFINE_CK(pxa27x_camera, CAMERA, &clk_pxa27x_lcd_ops);
-static DEFINE_CKEN(pxa27x_ffuart, FFUART, 14857000, 1);
-static DEFINE_CKEN(pxa27x_btuart, BTUART, 14857000, 1);
-static DEFINE_CKEN(pxa27x_stuart, STUART, 14857000, 1);
-static DEFINE_CKEN(pxa27x_i2s, I2S, 14682000, 0);
-static DEFINE_CKEN(pxa27x_i2c, I2C, 32842000, 0);
-static DEFINE_CKEN(pxa27x_usb, USB, 48000000, 5);
-static DEFINE_CKEN(pxa27x_mmc, MMC, 19500000, 0);
-static DEFINE_CKEN(pxa27x_ficp, FICP, 48000000, 0);
-static DEFINE_CKEN(pxa27x_usbhost, USBHOST, 48000000, 0);
-static DEFINE_CKEN(pxa27x_pwri2c, PWRI2C, 13000000, 0);
-static DEFINE_CKEN(pxa27x_keypad, KEYPAD, 32768, 0);
-static DEFINE_CKEN(pxa27x_ssp1, SSP1, 13000000, 0);
-static DEFINE_CKEN(pxa27x_ssp2, SSP2, 13000000, 0);
-static DEFINE_CKEN(pxa27x_ssp3, SSP3, 13000000, 0);
-static DEFINE_CKEN(pxa27x_pwm0, PWM0, 13000000, 0);
-static DEFINE_CKEN(pxa27x_pwm1, PWM1, 13000000, 0);
-static DEFINE_CKEN(pxa27x_ac97, AC97, 24576000, 0);
-static DEFINE_CKEN(pxa27x_ac97conf, AC97CONF, 24576000, 0);
-static DEFINE_CKEN(pxa27x_msl, MSL, 48000000, 0);
-static DEFINE_CKEN(pxa27x_usim, USIM, 48000000, 0);
-static DEFINE_CKEN(pxa27x_memstk, MEMSTK, 19500000, 0);
-static DEFINE_CKEN(pxa27x_im, IM, 0, 0);
-static DEFINE_CKEN(pxa27x_memc, MEMC, 0, 0);
+static DEFINE_CLK(pxa27x_mem, &clk_pxa27x_mem_ops, 0, 0);
 
 static struct clk_lookup pxa27x_clkregs[] = {
        INIT_CLKREG(&clk_pxa27x_lcd, "pxa2xx-fb", NULL),
@@ -215,6 +227,7 @@ static struct clk_lookup pxa27x_clkregs[] = {
        INIT_CLKREG(&clk_pxa27x_memstk, NULL, "MSTKCLK"),
        INIT_CLKREG(&clk_pxa27x_im, NULL, "IMCLK"),
        INIT_CLKREG(&clk_pxa27x_memc, NULL, "MEMCLK"),
+       INIT_CLKREG(&clk_pxa27x_mem, "pxa2xx-pcmcia", NULL),
 };
 
 #ifdef CONFIG_PM
@@ -246,7 +259,6 @@ int __init pxa27x_set_pwrmode(unsigned int mode)
  */
 enum {
        SLEEP_SAVE_PSTR,
-       SLEEP_SAVE_CKEN,
        SLEEP_SAVE_MDREFR,
        SLEEP_SAVE_PCFR,
        SLEEP_SAVE_COUNT
@@ -254,21 +266,19 @@ enum {
 
 void pxa27x_cpu_pm_save(unsigned long *sleep_save)
 {
-       SAVE(MDREFR);
+       sleep_save[SLEEP_SAVE_MDREFR] = __raw_readl(MDREFR);
        SAVE(PCFR);
 
-       SAVE(CKEN);
        SAVE(PSTR);
 }
 
 void pxa27x_cpu_pm_restore(unsigned long *sleep_save)
 {
-       RESTORE(MDREFR);
+       __raw_writel(sleep_save[SLEEP_SAVE_MDREFR], MDREFR);
        RESTORE(PCFR);
 
        PSSR = PSSR_RDH | PSSR_PH;
 
-       RESTORE(CKEN);
        RESTORE(PSTR);
 }
 
@@ -334,18 +344,18 @@ static inline void pxa27x_init_pm(void) {}
 /* PXA27x:  Various gpios can issue wakeup events.  This logic only
  * handles the simple cases, not the WEMUX2 and WEMUX3 options
  */
-static int pxa27x_set_wake(unsigned int irq, unsigned int on)
+static int pxa27x_set_wake(struct irq_data *d, unsigned int on)
 {
-       int gpio = IRQ_TO_GPIO(irq);
+       int gpio = IRQ_TO_GPIO(d->irq);
        uint32_t mask;
 
        if (gpio >= 0 && gpio < 128)
                return gpio_set_wake(gpio, on);
 
-       if (irq == IRQ_KEYPAD)
+       if (d->irq == IRQ_KEYPAD)
                return keypad_set_wake(on);
 
-       switch (irq) {
+       switch (d->irq) {
        case IRQ_RTCAlrm:
                mask = PWER_RTC;
                break;
@@ -370,6 +380,27 @@ void __init pxa27x_init_irq(void)
        pxa_init_gpio(IRQ_GPIO_2_x, 2, 120, pxa27x_set_wake);
 }
 
+static struct map_desc pxa27x_io_desc[] __initdata = {
+       {       /* Mem Ctl */
+               .virtual        = SMEMC_VIRT,
+               .pfn            = __phys_to_pfn(PXA2XX_SMEMC_BASE),
+               .length         = 0x00200000,
+               .type           = MT_DEVICE
+       }, {    /* IMem ctl */
+               .virtual        =  0xfe000000,
+               .pfn            = __phys_to_pfn(0x58000000),
+               .length         = 0x00100000,
+               .type           = MT_DEVICE
+       },
+};
+
+void __init pxa27x_map_io(void)
+{
+       pxa_map_io();
+       iotable_init(ARRAY_AND_SIZE(pxa27x_io_desc));
+       pxa27x_get_clk_frequency_khz(1);
+}
+
 /*
  * device registration specific to PXA27x.
  */
@@ -405,7 +436,9 @@ static struct sys_device pxa27x_sysdev[] = {
                .cls    = &pxa2xx_mfp_sysclass,
        }, {
                .cls    = &pxa_gpio_sysclass,
-       },
+       }, {
+               .cls    = &pxa2xx_clock_sysclass,
+       }
 };
 
 static int __init pxa27x_init(void)