diff options
Diffstat (limited to 'arch/arm/mach-u300')
| -rw-r--r-- | arch/arm/mach-u300/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-u300/core.c | 195 | ||||
| -rw-r--r-- | arch/arm/mach-u300/i2c.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-u300/include/mach/entry-macro.S | 16 | ||||
| -rw-r--r-- | arch/arm/mach-u300/include/mach/gpio-u300.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-u300/include/mach/io.h | 20 | ||||
| -rw-r--r-- | arch/arm/mach-u300/include/mach/system.h | 14 | ||||
| -rw-r--r-- | arch/arm/mach-u300/include/mach/u300-regs.h | 11 | ||||
| -rw-r--r-- | arch/arm/mach-u300/mmc.c | 52 | ||||
| -rw-r--r-- | arch/arm/mach-u300/mmc.h | 18 |
10 files changed, 83 insertions, 248 deletions
diff --git a/arch/arm/mach-u300/Makefile b/arch/arm/mach-u300/Makefile index 285538124e5e..fd3a5c382f47 100644 --- a/arch/arm/mach-u300/Makefile +++ b/arch/arm/mach-u300/Makefile @@ -8,7 +8,6 @@ obj-n := obj- := obj-$(CONFIG_ARCH_U300) += u300.o -obj-$(CONFIG_MMC) += mmc.o obj-$(CONFIG_SPI_PL022) += spi.o obj-$(CONFIG_MACH_U300_SPIDUMMY) += dummyspichip.o obj-$(CONFIG_I2C_STU300) += i2c.o diff --git a/arch/arm/mach-u300/core.c b/arch/arm/mach-u300/core.c index b4c6926a700c..1621ad07d284 100644 --- a/arch/arm/mach-u300/core.c +++ b/arch/arm/mach-u300/core.c @@ -18,6 +18,7 @@ #include <linux/termios.h> #include <linux/dmaengine.h> #include <linux/amba/bus.h> +#include <linux/amba/mmci.h> #include <linux/amba/serial.h> #include <linux/platform_device.h> #include <linux/gpio.h> @@ -26,7 +27,8 @@ #include <linux/mtd/nand.h> #include <linux/mtd/fsmc.h> #include <linux/pinctrl/machine.h> -#include <linux/pinctrl/pinmux.h> +#include <linux/pinctrl/consumer.h> +#include <linux/pinctrl/pinconf-generic.h> #include <linux/dma-mapping.h> #include <asm/types.h> @@ -43,9 +45,9 @@ #include <mach/gpio-u300.h> #include "clock.h" -#include "mmc.h" #include "spi.h" #include "i2c.h" +#include "u300-gpio.h" /* * Static I/O mappings that are needed for booting the U300 platforms. The @@ -94,19 +96,9 @@ static struct amba_pl011_data uart0_plat_data = { #endif }; -static struct amba_device uart0_device = { - .dev = { - .coherent_dma_mask = ~0, - .init_name = "uart0", /* Slow device at 0x3000 offset */ - .platform_data = &uart0_plat_data, - }, - .res = { - .start = U300_UART0_BASE, - .end = U300_UART0_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, - .irq = { IRQ_U300_UART0, NO_IRQ }, -}; +/* Slow device at 0x3000 offset */ +static AMBA_APB_DEVICE(uart0, "uart0", 0, U300_UART0_BASE, + { IRQ_U300_UART0 }, &uart0_plat_data); /* The U335 have an additional UART1 on the APP CPU */ #ifdef CONFIG_MACH_U300_BS335 @@ -118,72 +110,42 @@ static struct amba_pl011_data uart1_plat_data = { #endif }; -static struct amba_device uart1_device = { - .dev = { - .coherent_dma_mask = ~0, - .init_name = "uart1", /* Fast device at 0x7000 offset */ - .platform_data = &uart1_plat_data, - }, - .res = { - .start = U300_UART1_BASE, - .end = U300_UART1_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, - .irq = { IRQ_U300_UART1, NO_IRQ }, -}; +/* Fast device at 0x7000 offset */ +static AMBA_APB_DEVICE(uart1, "uart1", 0, U300_UART1_BASE, + { IRQ_U300_UART1 }, &uart1_plat_data); #endif -static struct amba_device pl172_device = { - .dev = { - .init_name = "pl172", /* AHB device at 0x4000 offset */ - .platform_data = NULL, - }, - .res = { - .start = U300_EMIF_CFG_BASE, - .end = U300_EMIF_CFG_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, -}; +/* AHB device at 0x4000 offset */ +static AMBA_APB_DEVICE(pl172, "pl172", 0, U300_EMIF_CFG_BASE, { }, NULL); +/* Fast device at 0x6000 offset */ +static AMBA_APB_DEVICE(pl022, "pl022", 0, U300_SPI_BASE, + { IRQ_U300_SPI }, NULL); -/* - * Everything within this next ifdef deals with external devices connected to - * the APP SPI bus. - */ -static struct amba_device pl022_device = { - .dev = { - .coherent_dma_mask = ~0, - .init_name = "pl022", /* Fast device at 0x6000 offset */ - }, - .res = { - .start = U300_SPI_BASE, - .end = U300_SPI_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, - .irq = {IRQ_U300_SPI, NO_IRQ }, - /* - * This device has a DMA channel but the Linux driver does not use - * it currently. - */ -}; +/* Fast device at 0x1000 offset */ +#define U300_MMCSD_IRQS { IRQ_U300_MMCSD_MCIINTR0, IRQ_U300_MMCSD_MCIINTR1 } -static struct amba_device mmcsd_device = { - .dev = { - .init_name = "mmci", /* Fast device at 0x1000 offset */ - .platform_data = NULL, /* Added later */ - }, - .res = { - .start = U300_MMCSD_BASE, - .end = U300_MMCSD_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, - .irq = {IRQ_U300_MMCSD_MCIINTR0, IRQ_U300_MMCSD_MCIINTR1 }, +static struct mmci_platform_data mmcsd_platform_data = { /* - * This device has a DMA channel but the Linux driver does not use - * it currently. + * Do not set ocr_mask or voltage translation function, + * we have a regulator we can control instead. */ + .f_max = 24000000, + .gpio_wp = -1, + .gpio_cd = U300_GPIO_PIN_MMC_CD, + .cd_invert = true, + .capabilities = MMC_CAP_MMC_HIGHSPEED | + MMC_CAP_SD_HIGHSPEED | MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA, +#ifdef CONFIG_COH901318 + .dma_filter = coh901318_filter_id, + .dma_rx_param = (void *) U300_DMA_MMCSD_RX_TX, + /* Don't specify a TX channel, this RX channel is bidirectional */ +#endif }; +static AMBA_APB_DEVICE(mmcsd, "mmci", 0, U300_MMCSD_BASE, + U300_MMCSD_IRQS, &mmcsd_platform_data); + /* * The order of device declaration may be important, since some devices * have dependencies on other devices being initialized first. @@ -1477,7 +1439,7 @@ static struct coh901318_platform coh901318_platform = { .max_channels = U300_DMA_CHANNELS, }; -static struct resource pinmux_resources[] = { +static struct resource pinctrl_resources[] = { { .start = U300_SYSCON_BASE, .end = U300_SYSCON_BASE + SZ_4K - 1, @@ -1506,6 +1468,13 @@ static struct platform_device i2c1_device = { .resource = i2c1_resources, }; +static struct platform_device pinctrl_device = { + .name = "pinctrl-u300", + .id = -1, + .num_resources = ARRAY_SIZE(pinctrl_resources), + .resource = pinctrl_resources, +}; + /* * The different variants have a few different versions of the * GPIO block, with different number of ports. @@ -1525,6 +1494,7 @@ static struct u300_gpio_platform u300_gpio_plat = { #endif .gpio_base = 0, .gpio_irq_base = IRQ_U300_GPIO_BASE, + .pinctrl_device = &pinctrl_device, }; static struct platform_device gpio_device = { @@ -1574,6 +1544,8 @@ static struct fsmc_nand_platform_data nand_platform_data = { .nr_partitions = ARRAY_SIZE(u300_partitions), .options = NAND_SKIP_BBTSCAN, .width = FSMC_NAND_BW8, + .ale_off = PLAT_NAND_ALE, + .cle_off = PLAT_NAND_CLE, }; static struct platform_device nand_device = { @@ -1597,71 +1569,67 @@ static struct platform_device dma_device = { }, }; -static struct platform_device pinmux_device = { - .name = "pinmux-u300", - .id = -1, - .num_resources = ARRAY_SIZE(pinmux_resources), - .resource = pinmux_resources, +static unsigned long pin_pullup_conf[] = { + PIN_CONF_PACKED(PIN_CONFIG_BIAS_PULL_UP, 1), +}; + +static unsigned long pin_highz_conf[] = { + PIN_CONF_PACKED(PIN_CONFIG_BIAS_HIGH_IMPEDANCE, 0), }; -/* Pinmux settings */ -static struct pinmux_map __initdata u300_pinmux_map[] = { +/* Pin control settings */ +static struct pinctrl_map __initdata u300_pinmux_map[] = { /* anonymous maps for chip power and EMIFs */ - PINMUX_MAP_SYS_HOG("POWER", "pinmux-u300", "power"), - PINMUX_MAP_SYS_HOG("EMIF0", "pinmux-u300", "emif0"), - PINMUX_MAP_SYS_HOG("EMIF1", "pinmux-u300", "emif1"), + PIN_MAP_MUX_GROUP_HOG_DEFAULT("pinctrl-u300", NULL, "power"), + PIN_MAP_MUX_GROUP_HOG_DEFAULT("pinctrl-u300", NULL, "emif0"), + PIN_MAP_MUX_GROUP_HOG_DEFAULT("pinctrl-u300", NULL, "emif1"), /* per-device maps for MMC/SD, SPI and UART */ - PINMUX_MAP("MMCSD", "pinmux-u300", "mmc0", "mmci"), - PINMUX_MAP("SPI", "pinmux-u300", "spi0", "pl022"), - PINMUX_MAP("UART0", "pinmux-u300", "uart0", "uart0"), + PIN_MAP_MUX_GROUP_DEFAULT("mmci", "pinctrl-u300", NULL, "mmc0"), + PIN_MAP_MUX_GROUP_DEFAULT("pl022", "pinctrl-u300", NULL, "spi0"), + PIN_MAP_MUX_GROUP_DEFAULT("uart0", "pinctrl-u300", NULL, "uart0"), + /* This pin is used for clock return rather than GPIO */ + PIN_MAP_CONFIGS_PIN_DEFAULT("mmci", "pinctrl-u300", "PIO APP GPIO 11", + pin_pullup_conf), + /* This pin is used for card detect */ + PIN_MAP_CONFIGS_PIN_DEFAULT("mmci", "pinctrl-u300", "PIO MS INS", + pin_highz_conf), }; struct u300_mux_hog { - const char *name; struct device *dev; - struct pinmux *pmx; + struct pinctrl *p; }; static struct u300_mux_hog u300_mux_hogs[] = { { - .name = "uart0", .dev = &uart0_device.dev, }, { - .name = "spi0", .dev = &pl022_device.dev, }, { - .name = "mmc0", .dev = &mmcsd_device.dev, }, }; -static int __init u300_pinmux_fetch(void) +static int __init u300_pinctrl_fetch(void) { int i; for (i = 0; i < ARRAY_SIZE(u300_mux_hogs); i++) { - struct pinmux *pmx; - int ret; + struct pinctrl *p; - pmx = pinmux_get(u300_mux_hogs[i].dev, NULL); - if (IS_ERR(pmx)) { - pr_err("u300: could not get pinmux hog %s\n", - u300_mux_hogs[i].name); - continue; - } - ret = pinmux_enable(pmx); - if (ret) { - pr_err("u300: could enable pinmux hog %s\n", - u300_mux_hogs[i].name); + p = pinctrl_get_select_default(u300_mux_hogs[i].dev); + if (IS_ERR(p)) { + pr_err("u300: could not get pinmux hog for dev %s\n", + dev_name(u300_mux_hogs[i].dev)); continue; } - u300_mux_hogs[i].pmx = pmx; + u300_mux_hogs[i].p = p; } return 0; } -subsys_initcall(u300_pinmux_fetch); +subsys_initcall(u300_pinctrl_fetch); /* * Notice that AMBA devices are initialized before platform devices. @@ -1676,7 +1644,6 @@ static struct platform_device *platform_devs[] __initdata = { &gpio_device, &nand_device, &wdog_device, - &pinmux_device, }; /* @@ -1861,8 +1828,8 @@ void __init u300_init_devices(void) u300_assign_physmem(); /* Initialize pinmuxing */ - pinmux_register_mappings(u300_pinmux_map, - ARRAY_SIZE(u300_pinmux_map)); + pinctrl_register_mappings(u300_pinmux_map, + ARRAY_SIZE(u300_pinmux_map)); /* Register subdevices on the I2C buses */ u300_i2c_register_board_devices(); @@ -1879,16 +1846,6 @@ void __init u300_init_devices(void) writew(val, U300_SYSCON_VBASE + U300_SYSCON_SMCR); } -static int core_module_init(void) -{ - /* - * This needs to be initialized later: it needs the input framework - * to be initialized first. - */ - return mmc_init(&mmcsd_device); -} -module_init(core_module_init); - /* Forward declare this function from the watchdog */ void coh901327_watchdog_reset(void); diff --git a/arch/arm/mach-u300/i2c.c b/arch/arm/mach-u300/i2c.c index 5140deeddf7b..a38f80238ea9 100644 --- a/arch/arm/mach-u300/i2c.c +++ b/arch/arm/mach-u300/i2c.c @@ -60,7 +60,6 @@ static struct regulator_consumer_supply supply_ldo_c[] = { */ static struct regulator_consumer_supply supply_ldo_d[] = { { - .dev = NULL, .supply = "vana15", /* Powers the SoC (CPU etc) */ }, }; @@ -92,7 +91,6 @@ static struct regulator_consumer_supply supply_ldo_k[] = { */ static struct regulator_consumer_supply supply_ldo_ext[] = { { - .dev = NULL, .supply = "vext", /* External power */ }, }; diff --git a/arch/arm/mach-u300/include/mach/entry-macro.S b/arch/arm/mach-u300/include/mach/entry-macro.S deleted file mode 100644 index 7181d6ac6651..000000000000 --- a/arch/arm/mach-u300/include/mach/entry-macro.S +++ /dev/null @@ -1,16 +0,0 @@ -/* - * - * arch-arm/mach-u300/include/mach/entry-macro.S - * - * - * Copyright (C) 2006-2009 ST-Ericsson AB - * License terms: GNU General Public License (GPL) version 2 - * Low-level IRQ helper macros for ST-Ericsson U300 - * Author: Linus Walleij <linus.walleij@stericsson.com> - */ - - .macro disable_fiq - .endm - - .macro arch_ret_to_user, tmp1, tmp2 - .endm diff --git a/arch/arm/mach-u300/include/mach/gpio-u300.h b/arch/arm/mach-u300/include/mach/gpio-u300.h index bf4c7935aecd..e81400c1753a 100644 --- a/arch/arm/mach-u300/include/mach/gpio-u300.h +++ b/arch/arm/mach-u300/include/mach/gpio-u300.h @@ -24,12 +24,14 @@ enum u300_gpio_variant { * @ports: number of GPIO block ports * @gpio_base: first GPIO number for this block (use a free range) * @gpio_irq_base: first GPIO IRQ number for this block (use a free range) + * @pinctrl_device: pin control device to spawn as child */ struct u300_gpio_platform { enum u300_gpio_variant variant; u8 ports; int gpio_base; int gpio_irq_base; + struct platform_device *pinctrl_device; }; #endif /* __MACH_U300_GPIO_U300_H */ diff --git a/arch/arm/mach-u300/include/mach/io.h b/arch/arm/mach-u300/include/mach/io.h deleted file mode 100644 index 5d6b4c13b3a0..000000000000 --- a/arch/arm/mach-u300/include/mach/io.h +++ /dev/null @@ -1,20 +0,0 @@ -/* - * - * arch/arm/mach-u300/include/mach/io.h - * - * - * Copyright (C) 2006-2009 ST-Ericsson AB - * License terms: GNU General Public License (GPL) version 2 - * Dummy IO map for being able to use writew()/readw(), - * writel()/readw() and similar accessor functions. - * Author: Linus Walleij <linus.walleij@stericsson.com> - */ -#ifndef __MACH_IO_H -#define __MACH_IO_H - -#define IO_SPACE_LIMIT 0xffffffff - -#define __io(a) __typesafe_io(a) -#define __mem_pci(a) (a) - -#endif diff --git a/arch/arm/mach-u300/include/mach/system.h b/arch/arm/mach-u300/include/mach/system.h deleted file mode 100644 index 574d46e38290..000000000000 --- a/arch/arm/mach-u300/include/mach/system.h +++ /dev/null @@ -1,14 +0,0 @@ -/* - * - * arch/arm/mach-u300/include/mach/system.h - * - * - * Copyright (C) 2007-2009 ST-Ericsson AB - * License terms: GNU General Public License (GPL) version 2 - * System shutdown and reset functions. - * Author: Linus Walleij <linus.walleij@stericsson.com> - */ -static inline void arch_idle(void) -{ - cpu_do_idle(); -} diff --git a/arch/arm/mach-u300/include/mach/u300-regs.h b/arch/arm/mach-u300/include/mach/u300-regs.h index 035fdc9dbdb0..65f87c523892 100644 --- a/arch/arm/mach-u300/include/mach/u300-regs.h +++ b/arch/arm/mach-u300/include/mach/u300-regs.h @@ -18,18 +18,17 @@ * the defines are used for setting up the I/O memory mapping. */ -#ifdef __ASSEMBLER__ -#define IOMEM(a) (a) -#else -#define IOMEM(a) (void __iomem *) a -#endif - /* NAND Flash CS0 */ #define U300_NAND_CS0_PHYS_BASE 0x80000000 /* NFIF */ #define U300_NAND_IF_PHYS_BASE 0x9f800000 +/* ALE, CLE offset for FSMC NAND */ +#define PLAT_NAND_CLE (1 << 16) +#define PLAT_NAND_ALE (1 << 17) + + /* AHB Peripherals */ #define U300_AHB_PER_PHYS_BASE 0xa0000000 #define U300_AHB_PER_VIRT_BASE 0xff010000 diff --git a/arch/arm/mach-u300/mmc.c b/arch/arm/mach-u300/mmc.c deleted file mode 100644 index 05abd6ad9fab..000000000000 --- a/arch/arm/mach-u300/mmc.c +++ /dev/null @@ -1,52 +0,0 @@ -/* - * - * arch/arm/mach-u300/mmc.c - * - * - * Copyright (C) 2009 ST-Ericsson SA - * License terms: GNU General Public License (GPL) version 2 - * - * Author: Linus Walleij <linus.walleij@stericsson.com> - * Author: Johan Lundin - * Author: Jonas Aaberg <jonas.aberg@stericsson.com> - */ -#include <linux/device.h> -#include <linux/amba/bus.h> -#include <linux/mmc/host.h> -#include <linux/dmaengine.h> -#include <linux/amba/mmci.h> -#include <linux/slab.h> -#include <mach/coh901318.h> -#include <mach/dma_channels.h> - -#include "u300-gpio.h" -#include "mmc.h" - -static struct mmci_platform_data mmc0_plat_data = { - /* - * Do not set ocr_mask or voltage translation function, - * we have a regulator we can control instead. - */ - /* Nominally 2.85V on our platform */ - .f_max = 24000000, - .gpio_wp = -1, - .gpio_cd = U300_GPIO_PIN_MMC_CD, - .cd_invert = true, - .capabilities = MMC_CAP_MMC_HIGHSPEED | - MMC_CAP_SD_HIGHSPEED | MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA, -#ifdef CONFIG_COH901318 - .dma_filter = coh901318_filter_id, - .dma_rx_param = (void *) U300_DMA_MMCSD_RX_TX, - /* Don't specify a TX channel, this RX channel is bidirectional */ -#endif -}; - -int __devinit mmc_init(struct amba_device *adev) -{ - struct device *mmcsd_device = &adev->dev; - int ret = 0; - - mmcsd_device->platform_data = &mmc0_plat_data; - - return ret; -} diff --git a/arch/arm/mach-u300/mmc.h b/arch/arm/mach-u300/mmc.h deleted file mode 100644 index 92b85125abb3..000000000000 --- a/arch/arm/mach-u300/mmc.h +++ /dev/null @@ -1,18 +0,0 @@ -/* - * - * arch/arm/mach-u300/mmc.h - * - * - * Copyright (C) 2009 ST-Ericsson AB - * License terms: GNU General Public License (GPL) version 2 - * - * Author: Jonas Aaberg <jonas.aberg@stericsson.com> - */ -#ifndef MMC_H -#define MMC_H - -#include <linux/amba/bus.h> - -int __devinit mmc_init(struct amba_device *adev); - -#endif |