diff options
Diffstat (limited to 'arch/arm/mach-mmp')
| -rw-r--r-- | arch/arm/mach-mmp/include/mach/mmp2.h | 22 | ||||
| -rw-r--r-- | arch/arm/mach-mmp/include/mach/regs-apmu.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-mmp/mmp2.c | 35 |
3 files changed, 59 insertions, 0 deletions
diff --git a/arch/arm/mach-mmp/include/mach/mmp2.h b/arch/arm/mach-mmp/include/mach/mmp2.h index dbba6e8a60c..4aec493640b 100644 --- a/arch/arm/mach-mmp/include/mach/mmp2.h +++ b/arch/arm/mach-mmp/include/mach/mmp2.h @@ -1,6 +1,8 @@ #ifndef __ASM_MACH_MMP2_H #define __ASM_MACH_MMP2_H +#include <plat/sdhci.h> + struct sys_timer; extern struct sys_timer mmp2_timer; @@ -22,6 +24,10 @@ extern struct pxa_device_desc mmp2_device_twsi3; extern struct pxa_device_desc mmp2_device_twsi4; extern struct pxa_device_desc mmp2_device_twsi5; extern struct pxa_device_desc mmp2_device_twsi6; +extern struct pxa_device_desc mmp2_device_sdh0; +extern struct pxa_device_desc mmp2_device_sdh1; +extern struct pxa_device_desc mmp2_device_sdh2; +extern struct pxa_device_desc mmp2_device_sdh3; static inline int mmp2_add_uart(int id) { @@ -63,5 +69,21 @@ static inline int mmp2_add_twsi(int id, struct i2c_pxa_platform_data *data, return pxa_register_device(d, data, sizeof(*data)); } +static inline int mmp2_add_sdhost(int id, struct sdhci_pxa_platdata *data) +{ + struct pxa_device_desc *d = NULL; + + switch (id) { + case 0: d = &mmp2_device_sdh0; break; + case 1: d = &mmp2_device_sdh1; break; + case 2: d = &mmp2_device_sdh2; break; + case 3: d = &mmp2_device_sdh3; break; + default: + return -EINVAL; + } + + return pxa_register_device(d, data, sizeof(*data)); +} + #endif /* __ASM_MACH_MMP2_H */ diff --git a/arch/arm/mach-mmp/include/mach/regs-apmu.h b/arch/arm/mach-mmp/include/mach/regs-apmu.h index ac4702357a6..f7011ef70bf 100644 --- a/arch/arm/mach-mmp/include/mach/regs-apmu.h +++ b/arch/arm/mach-mmp/include/mach/regs-apmu.h @@ -27,6 +27,8 @@ #define APMU_DMA APMU_REG(0x064) #define APMU_GEU APMU_REG(0x068) #define APMU_BUS APMU_REG(0x06c) +#define APMU_SDH2 APMU_REG(0x0e8) +#define APMU_SDH3 APMU_REG(0x0ec) #define APMU_FNCLK_EN (1 << 4) #define APMU_AXICLK_EN (1 << 3) diff --git a/arch/arm/mach-mmp/mmp2.c b/arch/arm/mach-mmp/mmp2.c index 2e3dd08ccc3..8e6c3ac7f7c 100644 --- a/arch/arm/mach-mmp/mmp2.c +++ b/arch/arm/mach-mmp/mmp2.c @@ -115,6 +115,29 @@ void __init mmp2_init_irq(void) mmp2_init_gpio(); } +static void sdhc_clk_enable(struct clk *clk) +{ + uint32_t clk_rst; + + clk_rst = __raw_readl(clk->clk_rst); + clk_rst |= clk->enable_val; + __raw_writel(clk_rst, clk->clk_rst); +} + +static void sdhc_clk_disable(struct clk *clk) +{ + uint32_t clk_rst; + + clk_rst = __raw_readl(clk->clk_rst); + clk_rst &= ~clk->enable_val; + __raw_writel(clk_rst, clk->clk_rst); +} + +struct clkops sdhc_clk_ops = { + .enable = sdhc_clk_enable, + .disable = sdhc_clk_disable, +}; + /* APB peripheral clocks */ static APBC_CLK(uart1, MMP2_UART1, 1, 26000000); static APBC_CLK(uart2, MMP2_UART2, 1, 26000000); @@ -128,6 +151,10 @@ static APBC_CLK(twsi5, MMP2_TWSI5, 0, 26000000); static APBC_CLK(twsi6, MMP2_TWSI6, 0, 26000000); static APMU_CLK(nand, NAND, 0xbf, 100000000); +static APMU_CLK_OPS(sdh0, SDH0, 0x1b, 200000000, &sdhc_clk_ops); +static APMU_CLK_OPS(sdh1, SDH1, 0x1b, 200000000, &sdhc_clk_ops); +static APMU_CLK_OPS(sdh2, SDH2, 0x1b, 200000000, &sdhc_clk_ops); +static APMU_CLK_OPS(sdh3, SDH3, 0x1b, 200000000, &sdhc_clk_ops); static struct clk_lookup mmp2_clkregs[] = { INIT_CLKREG(&clk_uart1, "pxa2xx-uart.0", NULL), @@ -141,6 +168,10 @@ static struct clk_lookup mmp2_clkregs[] = { INIT_CLKREG(&clk_twsi5, "pxa2xx-i2c.4", NULL), INIT_CLKREG(&clk_twsi6, "pxa2xx-i2c.5", NULL), INIT_CLKREG(&clk_nand, "pxa3xx-nand", NULL), + INIT_CLKREG(&clk_sdh0, "sdhci-pxa.0", "PXA-SDHCLK"), + INIT_CLKREG(&clk_sdh1, "sdhci-pxa.1", "PXA-SDHCLK"), + INIT_CLKREG(&clk_sdh2, "sdhci-pxa.2", "PXA-SDHCLK"), + INIT_CLKREG(&clk_sdh3, "sdhci-pxa.3", "PXA-SDHCLK"), }; static int __init mmp2_init(void) @@ -191,4 +222,8 @@ MMP2_DEVICE(twsi4, "pxa2xx-i2c", 3, TWSI4, 0xd4033000, 0x70); MMP2_DEVICE(twsi5, "pxa2xx-i2c", 4, TWSI5, 0xd4033800, 0x70); MMP2_DEVICE(twsi6, "pxa2xx-i2c", 5, TWSI6, 0xd4034000, 0x70); MMP2_DEVICE(nand, "pxa3xx-nand", -1, NAND, 0xd4283000, 0x100, 28, 29); +MMP2_DEVICE(sdh0, "sdhci-pxa", 0, MMC, 0xd4280000, 0x120); +MMP2_DEVICE(sdh1, "sdhci-pxa", 1, MMC2, 0xd4280800, 0x120); +MMP2_DEVICE(sdh2, "sdhci-pxa", 2, MMC3, 0xd4281000, 0x120); +MMP2_DEVICE(sdh3, "sdhci-pxa", 3, MMC4, 0xd4281800, 0x120); |