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ARM: imx: dynamically register mxc-mmc devices

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... plus a trivial simplification of mx21ads_sdhc_init()

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
This commit is contained in:
Uwe Kleine-König 2010-11-05 17:26:09 +01:00
parent c194daad0e
commit 9d3d945a8d
19 changed files with 116 additions and 72 deletions
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9
arch/arm/mach-imx/Kconfig
View File

@ -73,6 +73,7 @@ config MACH_MX21ADS
bool "MX21ADS platform"
select IMX_HAVE_PLATFORM_IMX_FB
select IMX_HAVE_PLATFORM_IMX_UART
select IMX_HAVE_PLATFORM_MXC_MMC
select IMX_HAVE_PLATFORM_MXC_NAND
help
Include support for MX21ADS platform. This includes specific
@ -89,6 +90,7 @@ config MACH_MX27ADS
select IMX_HAVE_PLATFORM_IMX_FB
select IMX_HAVE_PLATFORM_IMX_I2C
select IMX_HAVE_PLATFORM_IMX_UART
select IMX_HAVE_PLATFORM_MXC_MMC
select IMX_HAVE_PLATFORM_MXC_NAND
select IMX_HAVE_PLATFORM_MXC_W1
help
@ -116,6 +118,7 @@ choice
config MACH_PCM970_BASEBOARD
bool "PHYTEC PCM970 development board"
select IMX_HAVE_PLATFORM_IMX_FB
select IMX_HAVE_PLATFORM_MXC_MMC
help
This adds board specific devices that can be found on Phytec's
PCM970 evaluation board.
@ -137,6 +140,7 @@ config MACH_CPUIMX27
config MACH_EUKREA_CPUIMX27_USESDHC2
bool "CPUIMX27 integrates SDHC2 module"
depends on MACH_CPUIMX27
select IMX_HAVE_PLATFORM_MXC_MMC
help
This adds support for the internal SDHC2 used on CPUIMX27
for wifi or eMMC.
@ -158,6 +162,7 @@ config MACH_EUKREA_MBIMX27_BASEBOARD
select IMX_HAVE_PLATFORM_IMX_FB
select IMX_HAVE_PLATFORM_IMX_SSI
select IMX_HAVE_PLATFORM_IMX_UART
select IMX_HAVE_PLATFORM_MXC_MMC
select IMX_HAVE_PLATFORM_SPI_IMX
help
This adds board specific devices that can be found on Eukrea's
@ -168,6 +173,7 @@ endchoice
config MACH_MX27_3DS
bool "MX27PDK platform"
select IMX_HAVE_PLATFORM_IMX_UART
select IMX_HAVE_PLATFORM_MXC_MMC
help
Include support for MX27PDK platform. This includes specific
configurations for the board and its peripherals.
@ -176,6 +182,7 @@ config MACH_IMX27_VISSTRIM_M10
bool "Vista Silicon i.MX27 Visstrim_m10"
select IMX_HAVE_PLATFORM_IMX_I2C
select IMX_HAVE_PLATFORM_IMX_UART
select IMX_HAVE_PLATFORM_MXC_MMC
help
Include support for Visstrim_m10 platform and its different variants.
This includes specific configurations for the board and its
@ -195,6 +202,7 @@ config MACH_PCA100
select IMX_HAVE_PLATFORM_IMX_I2C
select IMX_HAVE_PLATFORM_IMX_SSI
select IMX_HAVE_PLATFORM_IMX_UART
select IMX_HAVE_PLATFORM_MXC_MMC
select IMX_HAVE_PLATFORM_MXC_NAND
select IMX_HAVE_PLATFORM_MXC_W1
select IMX_HAVE_PLATFORM_SPI_IMX
@ -208,6 +216,7 @@ config MACH_MXT_TD60
select IMX_HAVE_PLATFORM_IMX_FB
select IMX_HAVE_PLATFORM_IMX_I2C
select IMX_HAVE_PLATFORM_IMX_UART
select IMX_HAVE_PLATFORM_MXC_MMC
select IMX_HAVE_PLATFORM_MXC_NAND
help
Include support for i-MXT (aka td60) platform. This

4
arch/arm/mach-imx/devices-imx21.h
View File

@ -33,6 +33,10 @@ extern const struct imx_imx_uart_1irq_data imx21_imx_uart_data[] __initconst;
#define imx21_add_imx_uart2(pdata) imx21_add_imx_uart(2, pdata)
#define imx21_add_imx_uart3(pdata) imx21_add_imx_uart(3, pdata)
extern const struct imx_mxc_mmc_data imx21_mxc_mmc_data[] __initconst;
#define imx21_add_mxc_mmc(id, pdata) \
imx_add_mxc_mmc(&imx21_mxc_mmc_data[id], pdata)
extern const struct imx_mxc_nand_data imx21_mxc_nand_data __initconst;
#define imx21_add_mxc_nand(pdata) \
imx_add_mxc_nand(&imx21_mxc_nand_data, pdata)

4
arch/arm/mach-imx/devices-imx27.h
View File

@ -43,6 +43,10 @@ extern const struct imx_mx2_camera_data imx27_mx2_camera_data __initconst;
#define imx27_add_mx2_camera(pdata) \
imx_add_mx2_camera(&imx27_mx2_camera_data, pdata)
extern const struct imx_mxc_mmc_data imx27_mxc_mmc_data[] __initconst;
#define imx27_add_mxc_mmc(id, pdata) \
imx_add_mxc_mmc(&imx27_mxc_mmc_data[id], pdata)
extern const struct imx_mxc_nand_data imx27_mxc_nand_data __initconst;
#define imx27_add_mxc_nand(pdata) \
imx_add_mxc_nand(&imx27_mxc_nand_data, pdata)

35
arch/arm/mach-imx/devices.c
View File

@ -76,40 +76,6 @@ int __init imx1_register_gpios(void)
}
#endif
#if defined(CONFIG_MACH_MX21) || defined(CONFIG_MACH_MX27)
#define DEFINE_MXC_MMC_DEVICE(n, baseaddr, irq, dmareq) \
static struct resource mxc_sdhc_resources ## n[] = { \
{ \
.start = baseaddr, \
.end = baseaddr + SZ_4K - 1, \
.flags = IORESOURCE_MEM, \
}, { \
.start = irq, \
.end = irq, \
.flags = IORESOURCE_IRQ, \
}, { \
.start = dmareq, \
.end = dmareq, \
.flags = IORESOURCE_DMA, \
}, \
}; \
\
static u64 mxc_sdhc ## n ## _dmamask = DMA_BIT_MASK(32); \
\
struct platform_device mxc_sdhc_device ## n = { \
.name = "mxc-mmc", \
.id = n, \
.dev = { \
.dma_mask = &mxc_sdhc ## n ## _dmamask, \
.coherent_dma_mask = DMA_BIT_MASK(32), \
}, \
.num_resources = ARRAY_SIZE(mxc_sdhc_resources ## n), \
.resource = mxc_sdhc_resources ## n, \
}
DEFINE_MXC_MMC_DEVICE(0, MX2x_SDHC1_BASE_ADDR, MX2x_INT_SDHC1, MX2x_DMA_REQ_SDHC1);
DEFINE_MXC_MMC_DEVICE(1, MX2x_SDHC2_BASE_ADDR, MX2x_INT_SDHC2, MX2x_DMA_REQ_SDHC2);
#ifdef CONFIG_MACH_MX27
static struct resource otg_resources[] = {
{
@ -203,6 +169,7 @@ struct platform_device mxc_usbh2 = {
};
#endif
#if defined(CONFIG_MACH_MX21) || defined(CONFIG_MACH_MX27)
/* GPIO port description */
#define DEFINE_MXC_GPIO_PORT_IRQ(SOC, n, _irq) \
{ \

2
arch/arm/mach-imx/devices.h
View File

@ -1,6 +1,4 @@
#if defined(CONFIG_MACH_MX21) || defined(CONFIG_MACH_MX27)
extern struct platform_device mxc_sdhc_device0;
extern struct platform_device mxc_sdhc_device1;
extern struct platform_device mxc_otg_udc_device;
extern struct platform_device mxc_otg_host;
extern struct platform_device mxc_usbh1;

5
arch/arm/mach-imx/eukrea_mbimx27-baseboard.c
View File

@ -33,7 +33,6 @@
#include <mach/common.h>
#include <mach/iomux-mx27.h>
#include <mach/hardware.h>
#include <mach/mmc.h>
#include <mach/spi.h>
#include <mach/audmux.h>
@ -305,7 +304,7 @@ static struct platform_device *platform_devices[] __initdata = {
&leds_gpio,
};
static struct imxmmc_platform_data sdhc_pdata = {
static const struct imxmmc_platform_data sdhc_pdata __initconst = {
.dat3_card_detect = 1,
};
@ -351,7 +350,7 @@ void __init eukrea_mbimx27_baseboard_init(void)
#endif
imx27_add_imx_fb(&eukrea_mbimx27_fb_data);
mxc_register_device(&mxc_sdhc_device0, &sdhc_pdata);
imx27_add_mxc_mmc(0, &sdhc_pdata);
i2c_register_board_info(0, eukrea_mbimx27_i2c_devices,
ARRAY_SIZE(eukrea_mbimx27_i2c_devices));

2
arch/arm/mach-imx/mach-cpuimx27.c
View File

@ -265,7 +265,7 @@ static void __init eukrea_cpuimx27_init(void)
#if defined(CONFIG_MACH_EUKREA_CPUIMX27_USESDHC2)
/* SDHC2 can be used for Wifi */
mxc_register_device(&mxc_sdhc_device1, NULL);
imx27_add_mxc_mmc(1, NULL);
#endif
#if defined(MACH_EUKREA_CPUIMX27_USEUART4)
/* in which case UART4 is also used for Bluetooth */

5
arch/arm/mach-imx/mach-imx27_visstrim_m10.c
View File

@ -34,7 +34,6 @@
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <mach/common.h>
#include <mach/mmc.h>
#include <mach/iomux.h>
#include <mach/mxc_ehci.h>
@ -156,7 +155,7 @@ static void visstrim_m10_sdhc1_exit(struct device *dev, void *data)
free_irq(SDHC1_IRQ, data);
}
static struct imxmmc_platform_data visstrim_m10_sdhc_pdata = {
static const struct imxmmc_platform_data visstrim_m10_sdhc_pdata __initconst = {
.init = visstrim_m10_sdhc1_init,
.exit = visstrim_m10_sdhc1_exit,
};
@ -237,7 +236,7 @@ static void __init visstrim_m10_board_init(void)
ARRAY_SIZE(visstrim_m10_i2c_devices));
imx27_add_imx_i2c(0, &visstrim_m10_i2c_data);
imx27_add_imx_i2c(1, &visstrim_m10_i2c_data);
mxc_register_device(&mxc_sdhc_device0, &visstrim_m10_sdhc_pdata);
imx27_add_mxc_mmc(0, &visstrim_m10_sdhc_pdata);
mxc_register_device(&mxc_otg_host, &visstrim_m10_usbotg_pdata);
imx27_add_fec(NULL);
platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));

14
arch/arm/mach-imx/mach-mx21ads.c
View File

@ -26,7 +26,6 @@
#include <asm/mach/map.h>
#include <mach/iomux-mx21.h>
#include <mach/mxc_nand.h>
#include <mach/mmc.h>
#include "devices-imx21.h"
#include "devices.h"
@ -232,15 +231,8 @@ static int mx21ads_sdhc_get_ro(struct device *dev)
static int mx21ads_sdhc_init(struct device *dev, irq_handler_t detect_irq,
void *data)
{
int ret;
ret = request_irq(IRQ_GPIOD(25), detect_irq,
return request_irq(IRQ_GPIOD(25), detect_irq,
IRQF_TRIGGER_FALLING, "mmc-detect", data);
if (ret)
goto out;
return 0;
out:
return ret;
}
static void mx21ads_sdhc_exit(struct device *dev, void *data)
@ -248,7 +240,7 @@ static void mx21ads_sdhc_exit(struct device *dev, void *data)
free_irq(IRQ_GPIOD(25), data);
}
static struct imxmmc_platform_data mx21ads_sdhc_pdata = {
static const struct imxmmc_platform_data mx21ads_sdhc_pdata __initconst = {
.ocr_avail = MMC_VDD_29_30 | MMC_VDD_30_31, /* 3.0V */
.get_ro = mx21ads_sdhc_get_ro,
.init = mx21ads_sdhc_init,
@ -296,7 +288,7 @@ static void __init mx21ads_board_init(void)
imx21_add_imx_uart2(&uart_pdata_norts);
imx21_add_imx_uart3(&uart_pdata_rts);
imx21_add_imx_fb(&mx21ads_fb_data);
mxc_register_device(&mxc_sdhc_device0, &mx21ads_sdhc_pdata);
imx21_add_mxc_mmc(0, &mx21ads_sdhc_pdata);
imx21_add_mxc_nand(&mx21ads_nand_board_info);
platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));

5
arch/arm/mach-imx/mach-mx27_3ds.c
View File

@ -30,7 +30,6 @@
#include <mach/hardware.h>
#include <mach/common.h>
#include <mach/iomux-mx27.h>
#include <mach/mmc.h>
#include "devices-imx27.h"
#include "devices.h"
@ -109,7 +108,7 @@ static void mx27_3ds_sdhc1_exit(struct device *dev, void *data)
free_irq(IRQ_GPIOB(26), data);
}
static struct imxmmc_platform_data sdhc1_pdata = {
static const struct imxmmc_platform_data sdhc1_pdata __initconst = {
.init = mx27_3ds_sdhc1_init,
.exit = mx27_3ds_sdhc1_exit,
};
@ -129,7 +128,7 @@ static void __init mx27pdk_init(void)
imx27_add_imx_uart0(&uart_pdata);
imx27_add_fec(NULL);
mxc_register_device(&imx_kpp_device, &mx27_3ds_keymap_data);
mxc_register_device(&mxc_sdhc_device0, &sdhc1_pdata);
imx27_add_mxc_mmc(0, &sdhc1_pdata);
}
static void __init mx27pdk_timer_init(void)

9
arch/arm/mach-imx/mach-mx27ads.c
View File

@ -30,7 +30,6 @@
#include <mach/gpio.h>
#include <mach/iomux-mx27.h>
#include <mach/mxc_nand.h>
#include <mach/mmc.h>
#include "devices-imx27.h"
#include "devices.h"
@ -271,12 +270,12 @@ static void mx27ads_sdhc2_exit(struct device *dev, void *data)
free_irq(IRQ_GPIOB(7), data);
}
static struct imxmmc_platform_data sdhc1_pdata = {
static const struct imxmmc_platform_data sdhc1_pdata __initconst = {
.init = mx27ads_sdhc1_init,
.exit = mx27ads_sdhc1_exit,
};
static struct imxmmc_platform_data sdhc2_pdata = {
static const struct imxmmc_platform_data sdhc2_pdata __initconst = {
.init = mx27ads_sdhc2_init,
.exit = mx27ads_sdhc2_exit,
};
@ -307,8 +306,8 @@ static void __init mx27ads_board_init(void)
ARRAY_SIZE(mx27ads_i2c_devices));
imx27_add_imx_i2c(1, &mx27ads_i2c1_data);
imx27_add_imx_fb(&mx27ads_fb_data);
mxc_register_device(&mxc_sdhc_device0, &sdhc1_pdata);
mxc_register_device(&mxc_sdhc_device1, &sdhc2_pdata);
imx27_add_mxc_mmc(0, &sdhc1_pdata);
imx27_add_mxc_mmc(1, &sdhc2_pdata);
imx27_add_fec(NULL);
platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));

5
arch/arm/mach-imx/mach-mxt_td60.c
View File

@ -31,7 +31,6 @@
#include <mach/iomux-mx27.h>
#include <mach/mxc_nand.h>
#include <linux/i2c/pca953x.h>
#include <mach/mmc.h>
#include "devices-imx27.h"
#include "devices.h"
@ -225,7 +224,7 @@ static void mxt_td60_sdhc1_exit(struct device *dev, void *data)
free_irq(IRQ_GPIOF(8), data);
}
static struct imxmmc_platform_data sdhc1_pdata = {
static const struct imxmmc_platform_data sdhc1_pdata __initconst = {
.init = mxt_td60_sdhc1_init,
.exit = mxt_td60_sdhc1_exit,
};
@ -253,7 +252,7 @@ static void __init mxt_td60_board_init(void)
imx27_add_imx_i2c(0, &mxt_td60_i2c0_data);
imx27_add_imx_i2c(1, &mxt_td60_i2c1_data);
imx27_add_imx_fb(&mxt_td60_fb_data);
mxc_register_device(&mxc_sdhc_device0, &sdhc1_pdata);
imx27_add_mxc_mmc(0, &sdhc1_pdata);
imx27_add_fec(NULL);
}

5
arch/arm/mach-imx/mach-pca100.c
View File

@ -40,7 +40,6 @@
#include <mach/audmux.h>
#include <mach/mxc_nand.h>
#include <mach/irqs.h>
#include <mach/mmc.h>
#include <mach/mxc_ehci.h>
#include <mach/ulpi.h>
@ -268,7 +267,7 @@ static void pca100_sdhc2_exit(struct device *dev, void *data)
free_irq(IRQ_GPIOC(29), data);
}
static struct imxmmc_platform_data sdhc_pdata = {
static const struct imxmmc_platform_data sdhc_pdata __initconst = {
.init = pca100_sdhc2_init,
.exit = pca100_sdhc2_exit,
};
@ -383,7 +382,7 @@ static void __init pca100_init(void)
imx27_add_imx_uart0(&uart_pdata);
mxc_register_device(&mxc_sdhc_device1, &sdhc_pdata);
imx27_add_mxc_mmc(1, &sdhc_pdata);
imx27_add_mxc_nand(&pca100_nand_board_info);

2
arch/arm/mach-imx/mach-pcm038.c
View File

@ -212,7 +212,7 @@ static const struct spi_imx_master pcm038_spi0_data __initconst = {
static struct regulator_consumer_supply sdhc1_consumers[] = {
{
.dev = &mxc_sdhc_device1.dev,
.dev_name = "mxc-mmc.1",
.supply = "sdhc_vcc",
},
};

5
arch/arm/mach-imx/pcm970-baseboard.c
View File

@ -26,7 +26,6 @@
#include <mach/common.h>
#include <mach/iomux-mx27.h>
#include <mach/hardware.h>
#include <mach/mmc.h>
#include "devices-imx27.h"
#include "devices.h"
@ -119,7 +118,7 @@ static void pcm970_sdhc2_exit(struct device *dev, void *data)
gpio_free(GPIO_PORTC + 28);
}
static struct imxmmc_platform_data sdhc_pdata = {
static const struct imxmmc_platform_data sdhc_pdata __initconst = {
.get_ro = pcm970_sdhc2_get_ro,
.init = pcm970_sdhc2_init,
.exit = pcm970_sdhc2_exit,
@ -228,6 +227,6 @@ void __init pcm970_baseboard_init(void)
imx27_add_imx_fb(&pcm038_fb_data);
mxc_gpio_mode(GPIO_PORTC | 28 | GPIO_GPIO | GPIO_IN);
mxc_register_device(&mxc_sdhc_device1, &sdhc_pdata);
imx27_add_mxc_mmc(1, &sdhc_pdata);
platform_device_register(&pcm970_sja1000);
}

3
arch/arm/plat-mxc/devices/Kconfig
View File

@ -37,6 +37,9 @@ config IMX_HAVE_PLATFORM_MX1_CAMERA
config IMX_HAVE_PLATFORM_MX2_CAMERA
bool
config IMX_HAVE_PLATFORM_MXC_MMC
bool
config IMX_HAVE_PLATFORM_MXC_NAND
bool

1
arch/arm/plat-mxc/devices/Makefile
View File

@ -11,6 +11,7 @@ obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_UART) += platform-imx-uart.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_UDC) += platform-imx_udc.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_MX1_CAMERA) += platform-mx1-camera.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_MX2_CAMERA) += platform-mx2-camera.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_MXC_MMC) += platform-mxc-mmc.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_MXC_NAND) += platform-mxc_nand.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_MXC_PWM) += platform-mxc_pwm.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_MXC_W1) += platform-mxc_w1.o

62
arch/arm/plat-mxc/devices/platform-mxc-mmc.c Normal file
View File

@ -0,0 +1,62 @@
/*
* Copyright (C) 2010 Pengutronix
* Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
*
* 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 <mach/hardware.h>
#include <mach/devices-common.h>
#define imx_mxc_mmc_data_entry_single(soc, _id, _hwid) \
{ \
.id = _id, \
.iobase = soc ## _SDHC ## _hwid ## _BASE_ADDR, \
.irq = soc ## _INT_SDHC ## _hwid, \
.dmareq = soc ## _DMA_REQ_SDHC ## _hwid, \
}
#define imx_mxc_mmc_data_entry(soc, _id, _hwid) \
[_id] = imx_mxc_mmc_data_entry_single(soc, _id, _hwid)
#ifdef CONFIG_SOC_IMX21
const struct imx_mxc_mmc_data imx21_mxc_mmc_data[] __initconst = {
#define imx21_mxc_mmc_data_entry(_id, _hwid) \
imx_mxc_mmc_data_entry(MX21, _id, _hwid)
imx21_mxc_mmc_data_entry(0, 1),
imx21_mxc_mmc_data_entry(1, 2),
};
#endif /* ifdef CONFIG_SOC_IMX21 */
#ifdef CONFIG_SOC_IMX27
const struct imx_mxc_mmc_data imx27_mxc_mmc_data[] __initconst = {
#define imx27_mxc_mmc_data_entry(_id, _hwid) \
imx_mxc_mmc_data_entry(MX27, _id, _hwid)
imx27_mxc_mmc_data_entry(0, 1),
imx27_mxc_mmc_data_entry(1, 2),
};
#endif /* ifdef CONFIG_SOC_IMX27 */
struct platform_device *__init imx_add_mxc_mmc(
const struct imx_mxc_mmc_data *data,
const struct imxmmc_platform_data *pdata)
{
struct resource res[] = {
{
.start = data->iobase,
.end = data->iobase + SZ_4K - 1,
.flags = IORESOURCE_MEM,
}, {
.start = data->irq,
.end = data->irq,
.flags = IORESOURCE_IRQ,
}, {
.start = data->dmareq,
.end = data->dmareq,
.flags = IORESOURCE_DMA,
},
};
return imx_add_platform_device_dmamask("mxc-mmc", data->id,
res, ARRAY_SIZE(res),
pdata, sizeof(*pdata), DMA_BIT_MASK(32));
}

11
arch/arm/plat-mxc/include/mach/devices-common.h
View File

@ -151,6 +151,17 @@ struct platform_device *__init imx_add_mx2_camera(
const struct imx_mx2_camera_data *data,
const struct mx2_camera_platform_data *pdata);
#include <mach/mmc.h>
struct imx_mxc_mmc_data {
int id;
resource_size_t iobase;
resource_size_t irq;
resource_size_t dmareq;
};
struct platform_device *__init imx_add_mxc_mmc(
const struct imx_mxc_mmc_data *data,
const struct imxmmc_platform_data *pdata);
#include <mach/mxc_nand.h>
struct imx_mxc_nand_data {
/*