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-rw-r--r--arch/arm/include/asm/mach/udc_pxa2xx.h3
-rw-r--r--arch/arm/mach-pxa/devices.h1
-rw-r--r--arch/arm/mach-pxa/generic.c4
-rw-r--r--arch/arm/mach-pxa/include/mach/hardware.h79
-rw-r--r--arch/arm/mach-pxa/include/mach/i2c.h9
-rw-r--r--arch/arm/mach-pxa/include/mach/pm.h2
-rw-r--r--arch/arm/mach-pxa/include/mach/pxa-regs.h1
-rw-r--r--arch/arm/mach-pxa/include/mach/ssp.h24
-rw-r--r--arch/arm/mach-pxa/pm.c18
-rw-r--r--arch/arm/mach-pxa/pxa25x.c38
-rw-r--r--arch/arm/mach-pxa/pxa27x.c22
-rw-r--r--arch/arm/mach-pxa/pxa3xx.c45
-rw-r--r--arch/arm/mach-pxa/time.c2
13 files changed, 210 insertions, 38 deletions
diff --git a/arch/arm/include/asm/mach/udc_pxa2xx.h b/arch/arm/include/asm/mach/udc_pxa2xx.h
index 270902c353f..f3eabf1ecec 100644
--- a/arch/arm/include/asm/mach/udc_pxa2xx.h
+++ b/arch/arm/include/asm/mach/udc_pxa2xx.h
@@ -18,8 +18,7 @@ struct pxa2xx_udc_mach_info {
/* Boards following the design guidelines in the developer's manual,
* with on-chip GPIOs not Lubbock's weird hardware, can have a sane
* VBUS IRQ and omit the methods above. Store the GPIO number
- * here; for GPIO 0, also mask in one of the pxa_gpio_mode() bits.
- * Note that sometimes the signals go through inverters...
+ * here. Note that sometimes the signals go through inverters...
*/
bool gpio_vbus_inverted;
u16 gpio_vbus; /* high == vbus present */
diff --git a/arch/arm/mach-pxa/devices.h b/arch/arm/mach-pxa/devices.h
index 887c738f591..bb04af4b0aa 100644
--- a/arch/arm/mach-pxa/devices.h
+++ b/arch/arm/mach-pxa/devices.h
@@ -32,5 +32,6 @@ extern struct platform_device pxa27x_device_pwm0;
extern struct platform_device pxa27x_device_pwm1;
extern struct platform_device pxa3xx_device_nand;
+extern struct platform_device pxa3xx_device_i2c_power;
void __init pxa_register_device(struct platform_device *dev, void *data);
diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c
index ceaed007636..cbbf3009792 100644
--- a/arch/arm/mach-pxa/generic.c
+++ b/arch/arm/mach-pxa/generic.c
@@ -46,7 +46,7 @@ void clear_reset_status(unsigned int mask)
*/
unsigned int get_clk_frequency_khz(int info)
{
- if (cpu_is_pxa21x() || cpu_is_pxa25x())
+ if (cpu_is_pxa25x())
return pxa25x_get_clk_frequency_khz(info);
else if (cpu_is_pxa27x())
return pxa27x_get_clk_frequency_khz(info);
@@ -60,7 +60,7 @@ EXPORT_SYMBOL(get_clk_frequency_khz);
*/
unsigned int get_memclk_frequency_10khz(void)
{
- if (cpu_is_pxa21x() || cpu_is_pxa25x())
+ if (cpu_is_pxa25x())
return pxa25x_get_memclk_frequency_10khz();
else if (cpu_is_pxa27x())
return pxa27x_get_memclk_frequency_10khz();
diff --git a/arch/arm/mach-pxa/include/mach/hardware.h b/arch/arm/mach-pxa/include/mach/hardware.h
index e89df4d0d23..9dc71114e28 100644
--- a/arch/arm/mach-pxa/include/mach/hardware.h
+++ b/arch/arm/mach-pxa/include/mach/hardware.h
@@ -62,26 +62,72 @@
#ifndef __ASSEMBLY__
+/*
+ * CPU Stepping CPU_ID JTAG_ID
+ *
+ * PXA210 B0 0x69052922 0x2926C013
+ * PXA210 B1 0x69052923 0x3926C013
+ * PXA210 B2 0x69052924 0x4926C013
+ * PXA210 C0 0x69052D25 0x5926C013
+ *
+ * PXA250 A0 0x69052100 0x09264013
+ * PXA250 A1 0x69052101 0x19264013
+ * PXA250 B0 0x69052902 0x29264013
+ * PXA250 B1 0x69052903 0x39264013
+ * PXA250 B2 0x69052904 0x49264013
+ * PXA250 C0 0x69052D05 0x59264013
+ *
+ * PXA255 A0 0x69052D06 0x69264013
+ *
+ * PXA26x A0 0x69052903 0x39264013
+ * PXA26x B0 0x69052D05 0x59264013
+ *
+ * PXA27x A0 0x69054110 0x09265013
+ * PXA27x A1 0x69054111 0x19265013
+ * PXA27x B0 0x69054112 0x29265013
+ * PXA27x B1 0x69054113 0x39265013
+ * PXA27x C0 0x69054114 0x49265013
+ * PXA27x C5 0x69054117 0x79265013
+ *
+ * PXA30x A0 0x69056880 0x0E648013
+ * PXA30x A1 0x69056881 0x1E648013
+ * PXA31x A0 0x69056890 0x0E649013
+ * PXA31x A1 0x69056891 0x1E649013
+ * PXA31x A2 0x69056892 0x2E649013
+ * PXA32x B1 0x69056825 0x5E642013
+ * PXA32x B2 0x69056826 0x6E642013
+ *
+ * PXA930 B0 0x69056835 0x5E643013
+ * PXA930 B1 0x69056837 0x7E643013
+ * PXA930 B2 0x69056838 0x8E643013
+ */
#ifdef CONFIG_PXA25x
-#define __cpu_is_pxa21x(id) \
+#define __cpu_is_pxa210(id) \
({ \
- unsigned int _id = (id) >> 4 & 0xf3f; \
- _id == 0x212; \
+ unsigned int _id = (id) & 0xf3f0; \
+ _id == 0x2120; \
})
-#define __cpu_is_pxa255(id) \
- ({ \
- unsigned int _id = (id) >> 4 & 0xfff; \
- _id == 0x2d0; \
- })
+#define __cpu_is_pxa250(id) \
+ ({ \
+ unsigned int _id = (id) & 0xf3ff; \
+ _id <= 0x2105; \
+ })
+
+#define __cpu_is_pxa255(id) \
+ ({ \
+ unsigned int _id = (id) & 0xffff; \
+ _id == 0x2d06; \
+ })
#define __cpu_is_pxa25x(id) \
({ \
- unsigned int _id = (id) >> 4 & 0xfff; \
- _id == 0x2d0 || _id == 0x290; \
+ unsigned int _id = (id) & 0xf300; \
+ _id == 0x2100; \
})
#else
-#define __cpu_is_pxa21x(id) (0)
+#define __cpu_is_pxa210(id) (0)
+#define __cpu_is_pxa250(id) (0)
#define __cpu_is_pxa255(id) (0)
#define __cpu_is_pxa25x(id) (0)
#endif
@@ -136,9 +182,14 @@
#define __cpu_is_pxa930(id) (0)
#endif
-#define cpu_is_pxa21x() \
+#define cpu_is_pxa210() \
({ \
- __cpu_is_pxa21x(read_cpuid_id()); \
+ __cpu_is_pxa210(read_cpuid_id()); \
+ })
+
+#define cpu_is_pxa250() \
+ ({ \
+ __cpu_is_pxa250(read_cpuid_id()); \
})
#define cpu_is_pxa255() \
@@ -151,6 +202,8 @@
__cpu_is_pxa25x(read_cpuid_id()); \
})
+extern int cpu_is_pxa26x(void);
+
#define cpu_is_pxa27x() \
({ \
__cpu_is_pxa27x(read_cpuid_id()); \
diff --git a/arch/arm/mach-pxa/include/mach/i2c.h b/arch/arm/mach-pxa/include/mach/i2c.h
index 80596b01344..1a9f65e6ec0 100644
--- a/arch/arm/mach-pxa/include/mach/i2c.h
+++ b/arch/arm/mach-pxa/include/mach/i2c.h
@@ -65,13 +65,18 @@ struct i2c_pxa_platform_data {
unsigned int slave_addr;
struct i2c_slave_client *slave;
unsigned int class;
- int use_pio;
+ unsigned int use_pio :1;
+ unsigned int fast_mode :1;
};
extern void pxa_set_i2c_info(struct i2c_pxa_platform_data *info);
#ifdef CONFIG_PXA27x
-extern void pxa_set_i2c_power_info(struct i2c_pxa_platform_data *info);
+extern void pxa27x_set_i2c_power_info(struct i2c_pxa_platform_data *info);
+#endif
+
+#ifdef CONFIG_PXA3xx
+extern void pxa3xx_set_i2c_power_info(struct i2c_pxa_platform_data *info);
#endif
#endif
diff --git a/arch/arm/mach-pxa/include/mach/pm.h b/arch/arm/mach-pxa/include/mach/pm.h
index 261e5bc958d..83342469aca 100644
--- a/arch/arm/mach-pxa/include/mach/pm.h
+++ b/arch/arm/mach-pxa/include/mach/pm.h
@@ -15,6 +15,8 @@ struct pxa_cpu_pm_fns {
void (*restore)(unsigned long *);
int (*valid)(suspend_state_t state);
void (*enter)(suspend_state_t state);
+ int (*prepare)(void);
+ void (*finish)(void);
};
extern struct pxa_cpu_pm_fns *pxa_cpu_pm_fns;
diff --git a/arch/arm/mach-pxa/include/mach/pxa-regs.h b/arch/arm/mach-pxa/include/mach/pxa-regs.h
index 12288ca3cbb..772c67635e2 100644
--- a/arch/arm/mach-pxa/include/mach/pxa-regs.h
+++ b/arch/arm/mach-pxa/include/mach/pxa-regs.h
@@ -448,6 +448,7 @@
#define ICR_ALDIE (1 << 12) /* enable arbitration interrupt */
#define ICR_SADIE (1 << 13) /* slave address detected int enable */
#define ICR_UR (1 << 14) /* unit reset */
+#define ICR_FM (1 << 15) /* fast mode */
#define ISR_RWM (1 << 0) /* read/write mode */
#define ISR_ACKNAK (1 << 1) /* ack/nak status */
diff --git a/arch/arm/mach-pxa/include/mach/ssp.h b/arch/arm/mach-pxa/include/mach/ssp.h
index a012882c9ee..cb5cb766f0f 100644
--- a/arch/arm/mach-pxa/include/mach/ssp.h
+++ b/arch/arm/mach-pxa/include/mach/ssp.h
@@ -20,6 +20,7 @@
#define __ASM_ARCH_SSP_H
#include <linux/list.h>
+#include <linux/io.h>
enum pxa_ssp_type {
SSP_UNDEFINED = 0,
@@ -78,6 +79,29 @@ int ssp_init(struct ssp_dev *dev, u32 port, u32 init_flags);
int ssp_config(struct ssp_dev *dev, u32 mode, u32 flags, u32 psp_flags, u32 speed);
void ssp_exit(struct ssp_dev *dev);
+/**
+ * ssp_write_reg - Write to a SSP register
+ *
+ * @dev: SSP device to access
+ * @reg: Register to write to
+ * @val: Value to be written.
+ */
+static inline void ssp_write_reg(struct ssp_device *dev, u32 reg, u32 val)
+{
+ __raw_writel(val, dev->mmio_base + reg);
+}
+
+/**
+ * ssp_read_reg - Read from a SSP register
+ *
+ * @dev: SSP device to access
+ * @reg: Register to read from
+ */
+static inline u32 ssp_read_reg(struct ssp_device *dev, u32 reg)
+{
+ return __raw_readl(dev->mmio_base + reg);
+}
+
struct ssp_device *ssp_request(int port, const char *label);
void ssp_free(struct ssp_device *);
#endif /* __ASM_ARCH_SSP_H */
diff --git a/arch/arm/mach-pxa/pm.c b/arch/arm/mach-pxa/pm.c
index 1b539e67557..164eb0bb632 100644
--- a/arch/arm/mach-pxa/pm.c
+++ b/arch/arm/mach-pxa/pm.c
@@ -86,9 +86,27 @@ static int pxa_pm_valid(suspend_state_t state)
return -EINVAL;
}
+static int pxa_pm_prepare(void)
+{
+ int ret = 0;
+
+ if (pxa_cpu_pm_fns && pxa_cpu_pm_fns->prepare)
+ ret = pxa_cpu_pm_fns->prepare();
+
+ return ret;
+}
+
+static void pxa_pm_finish(void)
+{
+ if (pxa_cpu_pm_fns && pxa_cpu_pm_fns->finish)
+ pxa_cpu_pm_fns->finish();
+}
+
static struct platform_suspend_ops pxa_pm_ops = {
.valid = pxa_pm_valid,
.enter = pxa_pm_enter,
+ .prepare = pxa_pm_prepare,
+ .finish = pxa_pm_finish,
};
static int __init pxa_pm_init(void)
diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c
index f0eda209449..25d17a1dab7 100644
--- a/arch/arm/mach-pxa/pxa25x.c
+++ b/arch/arm/mach-pxa/pxa25x.c
@@ -36,6 +36,12 @@
#include "devices.h"
#include "clock.h"
+int cpu_is_pxa26x(void)
+{
+ return cpu_is_pxa250() && ((BOOT_DEF & 0x8) == 0);
+}
+EXPORT_SYMBOL_GPL(cpu_is_pxa26x);
+
/*
* Various clock factors driven by the CCCR register.
*/
@@ -218,9 +224,6 @@ static void pxa25x_cpu_pm_save(unsigned long *sleep_save)
static void pxa25x_cpu_pm_restore(unsigned long *sleep_save)
{
- /* ensure not to come back here if it wasn't intended */
- PSPR = 0;
-
RESTORE(CKEN);
RESTORE(PSTR);
}
@@ -232,19 +235,32 @@ static void pxa25x_cpu_pm_enter(suspend_state_t state)
switch (state) {
case PM_SUSPEND_MEM:
- /* set resume return address */
- PSPR = virt_to_phys(pxa_cpu_resume);
pxa25x_cpu_suspend(PWRMODE_SLEEP);
break;
}
}
+static int pxa25x_cpu_pm_prepare(void)
+{
+ /* set resume return address */
+ PSPR = virt_to_phys(pxa_cpu_resume);
+ return 0;
+}
+
+static void pxa25x_cpu_pm_finish(void)
+{
+ /* ensure not to come back here if it wasn't intended */
+ PSPR = 0;
+}
+
static struct pxa_cpu_pm_fns pxa25x_cpu_pm_fns = {
.save_count = SLEEP_SAVE_COUNT,
.valid = suspend_valid_only_mem,
.save = pxa25x_cpu_pm_save,
.restore = pxa25x_cpu_pm_restore,
.enter = pxa25x_cpu_pm_enter,
+ .prepare = pxa25x_cpu_pm_prepare,
+ .finish = pxa25x_cpu_pm_finish,
};
static void __init pxa25x_init_pm(void)
@@ -316,11 +332,7 @@ static int __init pxa25x_init(void)
{
int i, ret = 0;
- /* Only add HWUART for PXA255/26x; PXA210/250/27x do not have it. */
- if (cpu_is_pxa255())
- clks_register(&pxa25x_hwuart_clk, 1);
-
- if (cpu_is_pxa21x() || cpu_is_pxa25x()) {
+ if (cpu_is_pxa25x()) {
reset_status = RCSR;
@@ -343,9 +355,11 @@ static int __init pxa25x_init(void)
return ret;
}
- /* Only add HWUART for PXA255/26x; PXA210/250/27x do not have it. */
- if (cpu_is_pxa255())
+ /* Only add HWUART for PXA255/26x; PXA210/250 do not have it. */
+ if (cpu_is_pxa255() || cpu_is_pxa26x()) {
+ clks_register(&pxa25x_hwuart_clk, 1);
ret = platform_device_register(&pxa_device_hwuart);
+ }
return ret;
}
diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index 0288665ad03..bf01e14098f 100644
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -202,9 +202,6 @@ void pxa27x_cpu_pm_save(unsigned long *sleep_save)
void pxa27x_cpu_pm_restore(unsigned long *sleep_save)
{
- /* ensure not to come back here if it wasn't intended */
- PSPR = 0;
-
RESTORE(MDREFR);
RESTORE(PCFR);
@@ -232,8 +229,6 @@ void pxa27x_cpu_pm_enter(suspend_state_t state)
pxa_cpu_standby();
break;
case PM_SUSPEND_MEM:
- /* set resume return address */
- PSPR = virt_to_phys(pxa_cpu_resume);
pxa27x_cpu_suspend(PWRMODE_SLEEP);
break;
}
@@ -244,12 +239,27 @@ static int pxa27x_cpu_pm_valid(suspend_state_t state)
return state == PM_SUSPEND_MEM || state == PM_SUSPEND_STANDBY;
}
+static int pxa27x_cpu_pm_prepare(void)
+{
+ /* set resume return address */
+ PSPR = virt_to_phys(pxa_cpu_resume);
+ return 0;
+}
+
+static void pxa27x_cpu_pm_finish(void)
+{
+ /* ensure not to come back here if it wasn't intended */
+ PSPR = 0;
+}
+
static struct pxa_cpu_pm_fns pxa27x_cpu_pm_fns = {
.save_count = SLEEP_SAVE_COUNT,
.save = pxa27x_cpu_pm_save,
.restore = pxa27x_cpu_pm_restore,
.valid = pxa27x_cpu_pm_valid,
.enter = pxa27x_cpu_pm_enter,
+ .prepare = pxa27x_cpu_pm_prepare,
+ .finish = pxa27x_cpu_pm_finish,
};
static void __init pxa27x_init_pm(void)
@@ -322,7 +332,7 @@ struct platform_device pxa27x_device_i2c_power = {
.num_resources = ARRAY_SIZE(i2c_power_resources),
};
-void __init pxa_set_i2c_power_info(struct i2c_pxa_platform_data *info)
+void __init pxa27x_set_i2c_power_info(struct i2c_pxa_platform_data *info)
{
local_irq_disable();
PCFR |= PCFR_PI2CEN;
diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c
index 03cbc38103e..b3cd5d0b0f3 100644
--- a/arch/arm/mach-pxa/pxa3xx.c
+++ b/arch/arm/mach-pxa/pxa3xx.c
@@ -203,6 +203,19 @@ static const struct clkops clk_pout_ops = {
.disable = clk_pout_disable,
};
+static void clk_dummy_enable(struct clk *clk)
+{
+}
+
+static void clk_dummy_disable(struct clk *clk)
+{
+}
+
+static const struct clkops clk_dummy_ops = {
+ .enable = clk_dummy_enable,
+ .disable = clk_dummy_disable,
+};
+
static struct clk pxa3xx_clks[] = {
{
.name = "CLK_POUT",
@@ -211,6 +224,13 @@ static struct clk pxa3xx_clks[] = {
.delay = 70,
},
+ /* Power I2C clock is always on */
+ {
+ .name = "I2CCLK",
+ .ops = &clk_dummy_ops,
+ .dev = &pxa3xx_device_i2c_power.dev,
+ },
+
PXA3xx_CK("LCDCLK", LCD, &clk_pxa3xx_hsio_ops, &pxa_device_fb.dev),
PXA3xx_CK("CAMCLK", CAMERA, &clk_pxa3xx_hsio_ops, NULL),
PXA3xx_CK("AC97CLK", AC97, &clk_pxa3xx_ac97_ops, NULL),
@@ -509,6 +529,30 @@ void __init pxa3xx_init_irq(void)
* device registration specific to PXA3xx.
*/
+static struct resource i2c_power_resources[] = {
+ {
+ .start = 0x40f500c0,
+ .end = 0x40f500d3,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_PWRI2C,
+ .end = IRQ_PWRI2C,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+struct platform_device pxa3xx_device_i2c_power = {
+ .name = "pxa2xx-i2c",
+ .id = 1,
+ .resource = i2c_power_resources,
+ .num_resources = ARRAY_SIZE(i2c_power_resources),
+};
+
+void __init pxa3xx_set_i2c_power_info(struct i2c_pxa_platform_data *info)
+{
+ pxa3xx_device_i2c_power.dev.platform_data = info;
+}
+
static struct platform_device *devices[] __initdata = {
/* &pxa_device_udc, The UDC driver is PXA25x only */
&pxa_device_ffuart,
@@ -522,6 +566,7 @@ static struct platform_device *devices[] __initdata = {
&pxa3xx_device_ssp4,
&pxa27x_device_pwm0,
&pxa27x_device_pwm1,
+ &pxa3xx_device_i2c_power,
};
static struct sys_device pxa3xx_sysdev[] = {
diff --git a/arch/arm/mach-pxa/time.c b/arch/arm/mach-pxa/time.c
index 67e18509d7b..18d14974583 100644
--- a/arch/arm/mach-pxa/time.c
+++ b/arch/arm/mach-pxa/time.c
@@ -155,7 +155,7 @@ static void __init pxa_timer_init(void)
OIER = 0;
OSSR = OSSR_M0 | OSSR_M1 | OSSR_M2 | OSSR_M3;
- if (cpu_is_pxa21x() || cpu_is_pxa25x())
+ if (cpu_is_pxa25x())
clock_tick_rate = 3686400;
else if (machine_is_mainstone())
clock_tick_rate = 3249600;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-01 10:35:16 +0000