diff options
Diffstat (limited to 'arch/arm/mach-pxa/pxa3xx.c')
| -rw-r--r-- | arch/arm/mach-pxa/pxa3xx.c | 96 |
1 files changed, 68 insertions, 28 deletions
diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c index 644550bfa33..b3cd5d0b0f3 100644 --- a/arch/arm/mach-pxa/pxa3xx.c +++ b/arch/arm/mach-pxa/pxa3xx.c @@ -22,12 +22,13 @@ #include <linux/io.h> #include <linux/sysdev.h> -#include <asm/hardware.h> -#include <asm/arch/pxa3xx-regs.h> -#include <asm/arch/ohci.h> -#include <asm/arch/pm.h> -#include <asm/arch/dma.h> -#include <asm/arch/ssp.h> +#include <mach/hardware.h> +#include <mach/pxa3xx-regs.h> +#include <mach/reset.h> +#include <mach/ohci.h> +#include <mach/pm.h> +#include <mach/dma.h> +#include <mach/ssp.h> #include "generic.h" #include "devices.h" @@ -109,6 +110,12 @@ unsigned int pxa3xx_get_memclk_frequency_10khz(void) return (clk / 10000); } +void pxa3xx_clear_reset_status(unsigned int mask) +{ + /* RESET_STATUS_* has a 1:1 mapping with ARSR */ + ARSR = mask; +} + /* * Return the current AC97 clock frequency. */ @@ -144,7 +151,7 @@ static unsigned long clk_pxa3xx_hsio_getrate(struct clk *clk) return hsio_clk; } -static void clk_pxa3xx_cken_enable(struct clk *clk) +void clk_pxa3xx_cken_enable(struct clk *clk) { unsigned long mask = 1ul << (clk->cken & 0x1f); @@ -154,7 +161,7 @@ static void clk_pxa3xx_cken_enable(struct clk *clk) CKENB |= mask; } -static void clk_pxa3xx_cken_disable(struct clk *clk) +void clk_pxa3xx_cken_disable(struct clk *clk) { unsigned long mask = 1ul << (clk->cken & 0x1f); @@ -164,7 +171,7 @@ static void clk_pxa3xx_cken_disable(struct clk *clk) CKENB &= ~mask; } -static const struct clkops clk_pxa3xx_cken_ops = { +const struct clkops clk_pxa3xx_cken_ops = { .enable = clk_pxa3xx_cken_enable, .disable = clk_pxa3xx_cken_disable, }; @@ -196,23 +203,18 @@ static const struct clkops clk_pout_ops = { .disable = clk_pout_disable, }; -#define PXA3xx_CKEN(_name, _cken, _rate, _delay, _dev) \ - { \ - .name = _name, \ - .dev = _dev, \ - .ops = &clk_pxa3xx_cken_ops, \ - .rate = _rate, \ - .cken = CKEN_##_cken, \ - .delay = _delay, \ - } +static void clk_dummy_enable(struct clk *clk) +{ +} -#define PXA3xx_CK(_name, _cken, _ops, _dev) \ - { \ - .name = _name, \ - .dev = _dev, \ - .ops = _ops, \ - .cken = CKEN_##_cken, \ - } +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[] = { { @@ -222,6 +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), @@ -231,7 +240,7 @@ static struct clk pxa3xx_clks[] = { PXA3xx_CKEN("UARTCLK", STUART, 14857000, 1, NULL), PXA3xx_CKEN("I2CCLK", I2C, 32842000, 0, &pxa_device_i2c.dev), - PXA3xx_CKEN("UDCCLK", UDC, 48000000, 5, &pxa_device_udc.dev), + PXA3xx_CKEN("UDCCLK", UDC, 48000000, 5, &pxa27x_device_udc.dev), PXA3xx_CKEN("USBCLK", USBH, 48000000, 0, &pxa27x_device_ohci.dev), PXA3xx_CKEN("KBDCLK", KEYPAD, 32768, 0, &pxa27x_device_keypad.dev), @@ -239,10 +248,11 @@ static struct clk pxa3xx_clks[] = { PXA3xx_CKEN("SSPCLK", SSP2, 13000000, 0, &pxa27x_device_ssp2.dev), PXA3xx_CKEN("SSPCLK", SSP3, 13000000, 0, &pxa27x_device_ssp3.dev), PXA3xx_CKEN("SSPCLK", SSP4, 13000000, 0, &pxa3xx_device_ssp4.dev), + PXA3xx_CKEN("PWMCLK", PWM0, 13000000, 0, &pxa27x_device_pwm0.dev), + PXA3xx_CKEN("PWMCLK", PWM1, 13000000, 0, &pxa27x_device_pwm1.dev), PXA3xx_CKEN("MMCCLK", MMC1, 19500000, 0, &pxa_device_mci.dev), PXA3xx_CKEN("MMCCLK", MMC2, 19500000, 0, &pxa3xx_device_mci2.dev), - PXA3xx_CKEN("MMCCLK", MMC3, 19500000, 0, &pxa3xx_device_mci3.dev), }; #ifdef CONFIG_PM @@ -519,8 +529,32 @@ 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, +/* &pxa_device_udc, The UDC driver is PXA25x only */ &pxa_device_ffuart, &pxa_device_btuart, &pxa_device_stuart, @@ -530,6 +564,9 @@ static struct platform_device *devices[] __initdata = { &pxa27x_device_ssp2, &pxa27x_device_ssp3, &pxa3xx_device_ssp4, + &pxa27x_device_pwm0, + &pxa27x_device_pwm1, + &pxa3xx_device_i2c_power, }; static struct sys_device pxa3xx_sysdev[] = { @@ -547,6 +584,9 @@ static int __init pxa3xx_init(void) int i, ret = 0; if (cpu_is_pxa3xx()) { + + reset_status = ARSR; + /* * clear RDH bit every time after reset * |