diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-18 02:08:06 (GMT) |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-18 02:08:06 (GMT) |
commit | 411f5c7a502769ccc0377c5ba36cb0b283847ba8 (patch) | |
tree | 2c3a29671e3f923de48c55f94194849264a7bf53 /arch/arm/mach-u300 | |
parent | 6d7ed21d17e640b120b902a314143e5ef4917a70 (diff) | |
parent | 9ced9f03d12d7539e86b0bff5bc750153c976c34 (diff) | |
download | linux-fsl-qoriq-411f5c7a502769ccc0377c5ba36cb0b283847ba8.tar.xz |
Merge branch 'devel-stable' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel-stable' of master.kernel.org:/home/rmk/linux-2.6-arm: (289 commits)
davinci: DM644x EVM: register MUSB device earlier
davinci: add spi devices on tnetv107x evm
davinci: add ssp config for tnetv107x evm board
davinci: add tnetv107x ssp platform device
spi: add ti-ssp spi master driver
mfd: add driver for sequencer serial port
ARM: EXYNOS4: Implement Clock gating for System MMU
ARM: EXYNOS4: Enhancement of System MMU driver
ARM: EXYNOS4: Add support for gpio interrupts
ARM: S5P: Add function to register gpio interrupt bank data
ARM: S5P: Cleanup S5P gpio interrupt code
ARM: EXYNOS4: Add missing GPYx banks
ARM: S3C64XX: Fix section mismatch from cpufreq init
ARM: EXYNOS4: Add keypad device to the SMDKV310
ARM: EXYNOS4: Update clocks for keypad
ARM: EXYNOS4: Update keypad base address
ARM: EXYNOS4: Add keypad device helpers
ARM: EXYNOS4: Add support for SATA on ARMLEX4210
plat-nomadik: make GPIO interrupts work with cpuidle ApSleep
mach-u300: define a dummy filter function for coh901318
...
Fix up various conflicts in
- arch/arm/mach-exynos4/cpufreq.c
- arch/arm/mach-mxs/gpio.c
- drivers/net/Kconfig
- drivers/tty/serial/Kconfig
- drivers/tty/serial/Makefile
- drivers/usb/gadget/fsl_mxc_udc.c
- drivers/video/Kconfig
Diffstat (limited to 'arch/arm/mach-u300')
-rw-r--r-- | arch/arm/mach-u300/core.c | 179 | ||||
-rw-r--r-- | arch/arm/mach-u300/include/mach/coh901318.h | 7 | ||||
-rw-r--r-- | arch/arm/mach-u300/mmc.c | 160 | ||||
-rw-r--r-- | arch/arm/mach-u300/spi.c | 21 |
4 files changed, 203 insertions, 164 deletions
diff --git a/arch/arm/mach-u300/core.c b/arch/arm/mach-u300/core.c index aa53ee2..513d6ab 100644 --- a/arch/arm/mach-u300/core.c +++ b/arch/arm/mach-u300/core.c @@ -3,7 +3,7 @@ * arch/arm/mach-u300/core.c * * - * Copyright (C) 2007-2010 ST-Ericsson AB + * Copyright (C) 2007-2010 ST-Ericsson SA * License terms: GNU General Public License (GPL) version 2 * Core platform support, IRQ handling and device definitions. * Author: Linus Walleij <linus.walleij@stericsson.com> @@ -16,7 +16,9 @@ #include <linux/device.h> #include <linux/mm.h> #include <linux/termios.h> +#include <linux/dmaengine.h> #include <linux/amba/bus.h> +#include <linux/amba/serial.h> #include <linux/platform_device.h> #include <linux/gpio.h> #include <linux/clk.h> @@ -96,10 +98,20 @@ void __init u300_map_io(void) * Declaration of devices found on the U300 board and * their respective memory locations. */ + +static struct amba_pl011_data uart0_plat_data = { +#ifdef CONFIG_COH901318 + .dma_filter = coh901318_filter_id, + .dma_rx_param = (void *) U300_DMA_UART0_RX, + .dma_tx_param = (void *) U300_DMA_UART0_TX, +#endif +}; + static struct amba_device uart0_device = { .dev = { + .coherent_dma_mask = ~0, .init_name = "uart0", /* Slow device at 0x3000 offset */ - .platform_data = NULL, + .platform_data = &uart0_plat_data, }, .res = { .start = U300_UART0_BASE, @@ -111,10 +123,19 @@ static struct amba_device uart0_device = { /* The U335 have an additional UART1 on the APP CPU */ #ifdef CONFIG_MACH_U300_BS335 +static struct amba_pl011_data uart1_plat_data = { +#ifdef CONFIG_COH901318 + .dma_filter = coh901318_filter_id, + .dma_rx_param = (void *) U300_DMA_UART1_RX, + .dma_tx_param = (void *) U300_DMA_UART1_TX, +#endif +}; + static struct amba_device uart1_device = { .dev = { + .coherent_dma_mask = ~0, .init_name = "uart1", /* Fast device at 0x7000 offset */ - .platform_data = NULL, + .platform_data = &uart1_plat_data, }, .res = { .start = U300_UART1_BASE, @@ -960,42 +981,37 @@ const struct coh_dma_channel chan_config[U300_DMA_CHANNELS] = { .priority_high = 0, .dev_addr = U300_MSL_BASE + 6 * 0x40 + 0x220, }, + /* + * Don't set up device address, burst count or size of src + * or dst bus for this peripheral - handled by PrimeCell + * DMA extension. + */ { .number = U300_DMA_MMCSD_RX_TX, .name = "MMCSD RX TX", .priority_high = 0, - .dev_addr = U300_MMCSD_BASE + 0x080, .param.config = COH901318_CX_CFG_CH_DISABLE | COH901318_CX_CFG_LCR_DISABLE | COH901318_CX_CFG_TC_IRQ_ENABLE | COH901318_CX_CFG_BE_IRQ_ENABLE, .param.ctrl_lli_chained = 0 | COH901318_CX_CTRL_TC_ENABLE | - COH901318_CX_CTRL_BURST_COUNT_32_BYTES | - COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | - COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | COH901318_CX_CTRL_MASTER_MODE_M1RW | COH901318_CX_CTRL_TCP_ENABLE | - COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | COH901318_CX_CTRL_HSP_ENABLE | COH901318_CX_CTRL_HSS_DISABLE | COH901318_CX_CTRL_DDMA_LEGACY, .param.ctrl_lli = 0 | COH901318_CX_CTRL_TC_ENABLE | - COH901318_CX_CTRL_BURST_COUNT_32_BYTES | - COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | - COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | COH901318_CX_CTRL_MASTER_MODE_M1RW | COH901318_CX_CTRL_TCP_ENABLE | - COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | COH901318_CX_CTRL_HSP_ENABLE | COH901318_CX_CTRL_HSS_DISABLE | COH901318_CX_CTRL_DDMA_LEGACY, .param.ctrl_lli_last = 0 | COH901318_CX_CTRL_TC_ENABLE | - COH901318_CX_CTRL_BURST_COUNT_32_BYTES | - COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | - COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | COH901318_CX_CTRL_MASTER_MODE_M1RW | COH901318_CX_CTRL_TCP_DISABLE | COH901318_CX_CTRL_TC_IRQ_ENABLE | @@ -1014,15 +1030,76 @@ const struct coh_dma_channel chan_config[U300_DMA_CHANNELS] = { .name = "MSPRO RX", .priority_high = 0, }, + /* + * Don't set up device address, burst count or size of src + * or dst bus for this peripheral - handled by PrimeCell + * DMA extension. + */ { .number = U300_DMA_UART0_TX, .name = "UART0 TX", .priority_high = 0, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY, + .param.ctrl_lli = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY, }, { .number = U300_DMA_UART0_RX, .name = "UART0 RX", .priority_high = 0, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY, + .param.ctrl_lli = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY, }, { .number = U300_DMA_APEX_TX, @@ -1080,7 +1157,7 @@ const struct coh_dma_channel chan_config[U300_DMA_CHANNELS] = { COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | COH901318_CX_CTRL_MASTER_MODE_M1RW | COH901318_CX_CTRL_TCP_ENABLE | - COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | COH901318_CX_CTRL_HSP_ENABLE | COH901318_CX_CTRL_HSS_DISABLE | COH901318_CX_CTRL_DDMA_LEGACY | @@ -1252,15 +1329,77 @@ const struct coh_dma_channel chan_config[U300_DMA_CHANNELS] = { .name = "XGAM PDI", .priority_high = 0, }, + /* + * Don't set up device address, burst count or size of src + * or dst bus for this peripheral - handled by PrimeCell + * DMA extension. + */ { .number = U300_DMA_SPI_TX, .name = "SPI TX", .priority_high = 0, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY, + .param.ctrl_lli = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY, }, { .number = U300_DMA_SPI_RX, .name = "SPI RX", .priority_high = 0, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY, + .param.ctrl_lli = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY, + }, { .number = U300_DMA_GENERAL_PURPOSE_0, @@ -1617,7 +1756,7 @@ static void __init u300_init_check_chip(void) #endif #ifdef CONFIG_MACH_U300_BS335 if ((val & 0xFF00U) != 0xf000 && (val & 0xFF00U) != 0xf100) { - printk(KERN_ERR "Platform configured for BS365 " \ + printk(KERN_ERR "Platform configured for BS335 " \ " with DB3350 but %s detected, expect problems!", chipname); } @@ -1692,12 +1831,12 @@ void __init u300_init_devices(void) /* Register subdevices on the I2C buses */ u300_i2c_register_board_devices(); - /* Register subdevices on the SPI bus */ - u300_spi_register_board_devices(); - /* Register the platform devices */ platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs)); + /* Register subdevices on the SPI bus */ + u300_spi_register_board_devices(); + #ifndef CONFIG_MACH_U300_SEMI_IS_SHARED /* * Enable SEMI self refresh. Self-refresh of the SDRAM is entered when diff --git a/arch/arm/mach-u300/include/mach/coh901318.h b/arch/arm/mach-u300/include/mach/coh901318.h index 6193aaa..7c3b2b2 100644 --- a/arch/arm/mach-u300/include/mach/coh901318.h +++ b/arch/arm/mach-u300/include/mach/coh901318.h @@ -102,6 +102,7 @@ struct coh901318_platform { const int max_channels; }; +#ifdef CONFIG_COH901318 /** * coh901318_filter_id() - DMA channel filter function * @chan: dma channel handle @@ -110,6 +111,12 @@ struct coh901318_platform { * In dma_request_channel() it specifies what channel id to be requested */ bool coh901318_filter_id(struct dma_chan *chan, void *chan_id); +#else +static inline bool coh901318_filter_id(struct dma_chan *chan, void *chan_id) +{ + return false; +} +#endif /* * DMA Controller - this access the static mappings of the coh901318 dma. diff --git a/arch/arm/mach-u300/mmc.c b/arch/arm/mach-u300/mmc.c index de1ac9a..677ccef 100644 --- a/arch/arm/mach-u300/mmc.c +++ b/arch/arm/mach-u300/mmc.c @@ -3,159 +3,52 @@ * arch/arm/mach-u300/mmc.c * * - * Copyright (C) 2009 ST-Ericsson AB + * 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 <johan.lundin@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/input.h> -#include <linux/workqueue.h> -#include <linux/delay.h> -#include <linux/regulator/consumer.h> -#include <linux/regulator/machine.h> #include <linux/gpio.h> +#include <linux/dmaengine.h> #include <linux/amba/mmci.h> #include <linux/slab.h> +#include <mach/coh901318.h> +#include <mach/dma_channels.h> #include "mmc.h" #include "padmux.h" -struct mmci_card_event { - struct input_dev *mmc_input; - int mmc_inserted; - struct work_struct workq; - struct mmci_platform_data mmc0_plat_data; +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 }; -static unsigned int mmc_status(struct device *dev) -{ - struct mmci_card_event *mmci_card = container_of( - dev->platform_data, - struct mmci_card_event, mmc0_plat_data); - - return mmci_card->mmc_inserted; -} - -static int mmci_callback(void *data) -{ - struct mmci_card_event *mmci_card = data; - - disable_irq_on_gpio_pin(U300_GPIO_PIN_MMC_CD); - schedule_work(&mmci_card->workq); - - return 0; -} - - -static ssize_t gpio_show(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct mmci_card_event *mmci_card = container_of( - dev->platform_data, - struct mmci_card_event, mmc0_plat_data); - - - return sprintf(buf, "%d\n", !mmci_card->mmc_inserted); -} - -static DEVICE_ATTR(mmc_inserted, S_IRUGO, gpio_show, NULL); - -static void _mmci_callback(struct work_struct *ws) -{ - - struct mmci_card_event *mmci_card = container_of( - ws, - struct mmci_card_event, workq); - - mdelay(20); - - mmci_card->mmc_inserted = !gpio_get_value(U300_GPIO_PIN_MMC_CD); - - input_report_switch(mmci_card->mmc_input, KEY_INSERT, - mmci_card->mmc_inserted); - input_sync(mmci_card->mmc_input); - - pr_debug("MMC/SD card was %s\n", - mmci_card->mmc_inserted ? "inserted" : "removed"); - - enable_irq_on_gpio_pin(U300_GPIO_PIN_MMC_CD, mmci_card->mmc_inserted); -} - int __devinit mmc_init(struct amba_device *adev) { - struct mmci_card_event *mmci_card; struct device *mmcsd_device = &adev->dev; struct pmx *pmx; int ret = 0; - mmci_card = kzalloc(sizeof(struct mmci_card_event), GFP_KERNEL); - if (!mmci_card) - return -ENOMEM; - - /* - * Do not set ocr_mask or voltage translation function, - * we have a regulator we can control instead. - */ - /* Nominally 2.85V on our platform */ - mmci_card->mmc0_plat_data.f_max = 24000000; - mmci_card->mmc0_plat_data.status = mmc_status; - mmci_card->mmc0_plat_data.gpio_wp = -1; - mmci_card->mmc0_plat_data.gpio_cd = -1; - mmci_card->mmc0_plat_data.capabilities = MMC_CAP_MMC_HIGHSPEED | - MMC_CAP_SD_HIGHSPEED | MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA; - - mmcsd_device->platform_data = (void *) &mmci_card->mmc0_plat_data; - - INIT_WORK(&mmci_card->workq, _mmci_callback); - - ret = gpio_request(U300_GPIO_PIN_MMC_CD, "MMC card detection"); - if (ret) { - printk(KERN_CRIT "Could not allocate MMC card detection " \ - "GPIO pin\n"); - goto out; - } - - ret = gpio_direction_input(U300_GPIO_PIN_MMC_CD); - if (ret) { - printk(KERN_CRIT "Invalid GPIO pin requested\n"); - goto out; - } - - ret = sysfs_create_file(&mmcsd_device->kobj, - &dev_attr_mmc_inserted.attr); - if (ret) - goto out; - - mmci_card->mmc_input = input_allocate_device(); - if (!mmci_card->mmc_input) { - printk(KERN_CRIT "Could not allocate MMC input device\n"); - return -ENOMEM; - } - - mmci_card->mmc_input->name = "MMC insert notification"; - mmci_card->mmc_input->id.bustype = BUS_HOST; - mmci_card->mmc_input->id.vendor = 0; - mmci_card->mmc_input->id.product = 0; - mmci_card->mmc_input->id.version = 0x0100; - mmci_card->mmc_input->dev.parent = mmcsd_device; - input_set_capability(mmci_card->mmc_input, EV_SW, KEY_INSERT); - - /* - * Since this must always be compiled into the kernel, this input - * is never unregistered or free:ed. - */ - ret = input_register_device(mmci_card->mmc_input); - if (ret) { - input_free_device(mmci_card->mmc_input); - goto out; - } - - input_set_drvdata(mmci_card->mmc_input, mmci_card); + mmcsd_device->platform_data = &mmc0_plat_data; /* * Setup padmuxing for MMC. Since this must always be @@ -171,12 +64,5 @@ int __devinit mmc_init(struct amba_device *adev) pr_warning("Could not activate padmuxing\n"); } - ret = gpio_register_callback(U300_GPIO_PIN_MMC_CD, mmci_callback, - mmci_card); - - schedule_work(&mmci_card->workq); - - printk(KERN_INFO "Registered MMC insert/remove notification\n"); -out: return ret; } diff --git a/arch/arm/mach-u300/spi.c b/arch/arm/mach-u300/spi.c index 00869de..5767208 100644 --- a/arch/arm/mach-u300/spi.c +++ b/arch/arm/mach-u300/spi.c @@ -11,6 +11,9 @@ #include <linux/spi/spi.h> #include <linux/amba/pl022.h> #include <linux/err.h> +#include <mach/coh901318.h> +#include <mach/dma_channels.h> + #include "padmux.h" /* @@ -30,11 +33,8 @@ static void select_dummy_chip(u32 chipselect) } struct pl022_config_chip dummy_chip_info = { - /* - * available POLLING_TRANSFER and INTERRUPT_TRANSFER, - * DMA_TRANSFER does not work - */ - .com_mode = INTERRUPT_TRANSFER, + /* available POLLING_TRANSFER, INTERRUPT_TRANSFER, DMA_TRANSFER */ + .com_mode = DMA_TRANSFER, .iface = SSP_INTERFACE_MOTOROLA_SPI, /* We can only act as master but SSP_SLAVE is possible in theory */ .hierarchy = SSP_MASTER, @@ -75,8 +75,6 @@ static struct spi_board_info u300_spi_devices[] = { static struct pl022_ssp_controller ssp_platform_data = { /* If you have several SPI buses this varies, we have only bus 0 */ .bus_id = 0, - /* Set this to 1 when we think we got DMA working */ - .enable_dma = 0, /* * On the APP CPU GPIO 4, 5 and 6 are connected as generic * chip selects for SPI. (Same on U330, U335 and U365.) @@ -84,6 +82,14 @@ static struct pl022_ssp_controller ssp_platform_data = { * and do padmuxing accordingly too. */ .num_chipselect = 3, +#ifdef CONFIG_COH901318 + .enable_dma = 1, + .dma_filter = coh901318_filter_id, + .dma_rx_param = (void *) U300_DMA_SPI_RX, + .dma_tx_param = (void *) U300_DMA_SPI_TX, +#else + .enable_dma = 0, +#endif }; @@ -109,6 +115,7 @@ void __init u300_spi_init(struct amba_device *adev) } } + void __init u300_spi_register_board_devices(void) { /* Register any SPI devices */ |