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Kyungmin Park
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Ben Dooks
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Dec 1, 2009
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,2 +1,2 @@ | ||
| --- | ||
| refs/heads/master: 067f131d09d89bd56864f1f4b3144cc778024b33 | ||
| refs/heads/master: 86cd4f5f83acbfa481c513c74666ad360b49d73b |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,65 @@ | ||
| /* linux/arch/arm/mach-s5pc100/setup-sdhci.c | ||
| * | ||
| * Copyright 2008 Samsung Electronics | ||
| * | ||
| * S5PC100 - Helper functions for settign up SDHCI device(s) (HSMMC) | ||
| * | ||
| * Based on mach-s3c6410/setup-sdhci.c | ||
| * | ||
| * This program is free software; you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License version 2 as | ||
| * published by the Free Software Foundation. | ||
| */ | ||
|
|
||
| #include <linux/kernel.h> | ||
| #include <linux/types.h> | ||
| #include <linux/interrupt.h> | ||
| #include <linux/platform_device.h> | ||
| #include <linux/io.h> | ||
|
|
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| #include <linux/mmc/card.h> | ||
| #include <linux/mmc/host.h> | ||
|
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| #include <plat/regs-sdhci.h> | ||
| #include <plat/sdhci.h> | ||
|
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| /* clock sources for the mmc bus clock, order as for the ctrl2[5..4] */ | ||
|
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| char *s5pc100_hsmmc_clksrcs[4] = { | ||
| [0] = "hsmmc", | ||
| [1] = "hsmmc", | ||
| /* [2] = "mmc_bus", not yet succesfuuly used yet */ | ||
| /* [3] = "48m", - note not succesfully used yet */ | ||
| }; | ||
|
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|
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| void s5pc100_setup_sdhci0_cfg_card(struct platform_device *dev, | ||
| void __iomem *r, | ||
| struct mmc_ios *ios, | ||
| struct mmc_card *card) | ||
| { | ||
| u32 ctrl2, ctrl3; | ||
|
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| /* don't need to alter anything acording to card-type */ | ||
|
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| writel(S3C64XX_SDHCI_CONTROL4_DRIVE_9mA, r + S3C64XX_SDHCI_CONTROL4); | ||
|
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| ctrl2 = readl(r + S3C_SDHCI_CONTROL2); | ||
| ctrl2 &= S3C_SDHCI_CTRL2_SELBASECLK_MASK; | ||
| ctrl2 |= (S3C64XX_SDHCI_CTRL2_ENSTAASYNCCLR | | ||
| S3C64XX_SDHCI_CTRL2_ENCMDCNFMSK | | ||
| S3C_SDHCI_CTRL2_ENFBCLKRX | | ||
| S3C_SDHCI_CTRL2_DFCNT_NONE | | ||
| S3C_SDHCI_CTRL2_ENCLKOUTHOLD); | ||
|
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| if (ios->clock < 25 * 1000000) | ||
| ctrl3 = (S3C_SDHCI_CTRL3_FCSEL3 | | ||
| S3C_SDHCI_CTRL3_FCSEL2 | | ||
| S3C_SDHCI_CTRL3_FCSEL1 | | ||
| S3C_SDHCI_CTRL3_FCSEL0); | ||
| else | ||
| ctrl3 = (S3C_SDHCI_CTRL3_FCSEL1 | S3C_SDHCI_CTRL3_FCSEL0); | ||
|
|
||
| writel(ctrl2, r + S3C_SDHCI_CONTROL2); | ||
| writel(ctrl3, r + S3C_SDHCI_CONTROL3); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| /* linux/arch/arm/plat-s3c/dev-hsmmc2.c | ||
| * | ||
| * Copyright (c) 2009 Samsung Electronics | ||
| * | ||
| * S3C series device definition for hsmmc device 2 | ||
| * | ||
| * This program is free software; you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License version 2 as | ||
| * published by the Free Software Foundation. | ||
| */ | ||
|
|
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| #include <linux/kernel.h> | ||
| #include <linux/platform_device.h> | ||
| #include <linux/mmc/host.h> | ||
|
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| #include <mach/map.h> | ||
| #include <plat/sdhci.h> | ||
| #include <plat/devs.h> | ||
|
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| #define S3C_SZ_HSMMC (0x1000) | ||
|
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| static struct resource s3c_hsmmc2_resource[] = { | ||
| [0] = { | ||
| .start = S3C_PA_HSMMC2, | ||
| .end = S3C_PA_HSMMC2 + S3C_SZ_HSMMC - 1, | ||
| .flags = IORESOURCE_MEM, | ||
| }, | ||
| [1] = { | ||
| .start = IRQ_HSMMC2, | ||
| .end = IRQ_HSMMC2, | ||
| .flags = IORESOURCE_IRQ, | ||
| } | ||
| }; | ||
|
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| static u64 s3c_device_hsmmc2_dmamask = 0xffffffffUL; | ||
|
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| struct s3c_sdhci_platdata s3c_hsmmc2_def_platdata = { | ||
| .max_width = 4, | ||
| .host_caps = (MMC_CAP_4_BIT_DATA | | ||
| MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED), | ||
| }; | ||
|
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| struct platform_device s3c_device_hsmmc2 = { | ||
| .name = "s3c-sdhci", | ||
| .id = 2, | ||
| .num_resources = ARRAY_SIZE(s3c_hsmmc2_resource), | ||
| .resource = s3c_hsmmc2_resource, | ||
| .dev = { | ||
| .dma_mask = &s3c_device_hsmmc2_dmamask, | ||
| .coherent_dma_mask = 0xffffffffUL, | ||
| .platform_data = &s3c_hsmmc2_def_platdata, | ||
| }, | ||
| }; | ||
|
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| void s3c_sdhci2_set_platdata(struct s3c_sdhci_platdata *pd) | ||
| { | ||
| struct s3c_sdhci_platdata *set = &s3c_hsmmc2_def_platdata; | ||
|
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| set->max_width = pd->max_width; | ||
|
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| if (pd->cfg_gpio) | ||
| set->cfg_gpio = pd->cfg_gpio; | ||
| if (pd->cfg_card) | ||
| set->cfg_card = pd->cfg_card; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| /* linux/arch/arm/plat-s5pc1xx/setup-sdhci-gpio.c | ||
| * | ||
| * Copyright 2009 Samsung Eletronics | ||
| * | ||
| * S5PC1XX - Helper functions for setting up SDHCI device(s) GPIO (HSMMC) | ||
| * | ||
| * This program is free software; you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License version 2 as | ||
| * published by the Free Software Foundation. | ||
| */ | ||
|
|
||
| #include <linux/kernel.h> | ||
| #include <linux/types.h> | ||
| #include <linux/interrupt.h> | ||
| #include <linux/platform_device.h> | ||
| #include <linux/io.h> | ||
| #include <linux/gpio.h> | ||
| #include <linux/mmc/host.h> | ||
| #include <linux/mmc/card.h> | ||
|
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| #include <plat/gpio-cfg.h> | ||
| #include <plat/regs-sdhci.h> | ||
|
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| void s5pc100_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width) | ||
| { | ||
| unsigned int gpio; | ||
| unsigned int end; | ||
| unsigned int num; | ||
|
|
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| num = width; | ||
| /* In case of 8 width, we should decrease the 2 */ | ||
| if (width == 8) | ||
| num = width - 2; | ||
|
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| end = S5PC100_GPG0(2 + num); | ||
|
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| /* Set all the necessary GPG0/GPG1 pins to special-function 0 */ | ||
| for (gpio = S5PC100_GPG0(0); gpio < end; gpio++) { | ||
| s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2)); | ||
| s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); | ||
| } | ||
|
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| if (width == 8) { | ||
| for (gpio = S5PC100_GPG1(0); gpio <= S5PC100_GPG1(1); gpio++) { | ||
| s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2)); | ||
| s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); | ||
| } | ||
| } | ||
|
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| s3c_gpio_setpull(S5PC100_GPG1(2), S3C_GPIO_PULL_UP); | ||
| s3c_gpio_cfgpin(S5PC100_GPG1(2), S3C_GPIO_SFN(2)); | ||
| } | ||
|
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| void s5pc100_setup_sdhci1_cfg_gpio(struct platform_device *dev, int width) | ||
| { | ||
| unsigned int gpio; | ||
| unsigned int end; | ||
|
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| end = S5PC100_GPG2(2 + width); | ||
|
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| /* Set all the necessary GPG2 pins to special-function 2 */ | ||
| for (gpio = S5PC100_GPG2(0); gpio < end; gpio++) { | ||
| s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2)); | ||
| s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); | ||
| } | ||
|
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| s3c_gpio_setpull(S5PC100_GPG2(6), S3C_GPIO_PULL_UP); | ||
| s3c_gpio_cfgpin(S5PC100_GPG2(6), S3C_GPIO_SFN(2)); | ||
| } | ||
|
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| void s5pc100_setup_sdhci2_cfg_gpio(struct platform_device *dev, int width) | ||
| { | ||
| unsigned int gpio; | ||
| unsigned int end; | ||
|
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| end = S5PC100_GPG3(2 + width); | ||
|
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| /* Set all the necessary GPG3 pins to special-function 2 */ | ||
| for (gpio = S5PC100_GPG3(0); gpio < end; gpio++) { | ||
| s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2)); | ||
| s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); | ||
| } | ||
|
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| s3c_gpio_setpull(S5PC100_GPG3(6), S3C_GPIO_PULL_UP); | ||
| s3c_gpio_cfgpin(S5PC100_GPG3(6), S3C_GPIO_SFN(2)); | ||
| } |