diff options
Diffstat (limited to 'arch/arm/mach-mx5/board-mx51_babbage.c')
| -rw-r--r-- | arch/arm/mach-mx5/board-mx51_babbage.c | 100 |
1 files changed, 63 insertions, 37 deletions
diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c index c7b3fab..24994bb 100644 --- a/arch/arm/mach-mx5/board-mx51_babbage.c +++ b/arch/arm/mach-mx5/board-mx51_babbage.c @@ -24,23 +24,23 @@ #include <mach/hardware.h> #include <mach/iomux-mx51.h> -#include <asm/irq.h> #include <asm/setup.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/time.h> #include "devices-imx51.h" -#include "devices.h" #include "cpu_op-mx51.h" #define BABBAGE_USB_HUB_RESET IMX_GPIO_NR(1, 7) #define BABBAGE_USBH1_STP IMX_GPIO_NR(1, 27) -#define BABBAGE_PHY_RESET IMX_GPIO_NR(2, 5) +#define BABBAGE_USB_PHY_RESET IMX_GPIO_NR(2, 5) #define BABBAGE_FEC_PHY_RESET IMX_GPIO_NR(2, 14) #define BABBAGE_POWER_KEY IMX_GPIO_NR(2, 21) #define BABBAGE_ECSPI1_CS0 IMX_GPIO_NR(4, 24) #define BABBAGE_ECSPI1_CS1 IMX_GPIO_NR(4, 25) +#define BABBAGE_SD2_CD IMX_GPIO_NR(1, 6) +#define BABBAGE_SD2_WP IMX_GPIO_NR(1, 5) /* USB_CTRL_1 */ #define MX51_USB_CTRL_1_OFFSET 0x10 @@ -110,6 +110,9 @@ static iomux_v3_cfg_t mx51babbage_pads[] = { /* USB HUB reset line*/ MX51_PAD_GPIO1_7__GPIO1_7, + /* USB PHY reset line */ + MX51_PAD_EIM_D21__GPIO2_5, + /* FEC */ MX51_PAD_EIM_EB2__FEC_MDIO, MX51_PAD_EIM_EB3__FEC_RDATA1, @@ -139,6 +142,9 @@ static iomux_v3_cfg_t mx51babbage_pads[] = { MX51_PAD_SD1_DATA1__SD1_DATA1, MX51_PAD_SD1_DATA2__SD1_DATA2, MX51_PAD_SD1_DATA3__SD1_DATA3, + /* CD/WP from controller */ + MX51_PAD_GPIO1_0__SD1_CD, + MX51_PAD_GPIO1_1__SD1_WP, /* SD 2 */ MX51_PAD_SD2_CMD__SD2_CMD, @@ -147,6 +153,9 @@ static iomux_v3_cfg_t mx51babbage_pads[] = { MX51_PAD_SD2_DATA1__SD2_DATA1, MX51_PAD_SD2_DATA2__SD2_DATA2, MX51_PAD_SD2_DATA3__SD2_DATA3, + /* CD/WP gpio */ + MX51_PAD_GPIO1_6__GPIO1_6, + MX51_PAD_GPIO1_5__GPIO1_5, /* eCSPI1 */ MX51_PAD_CSPI1_MISO__ECSPI1_MISO, @@ -165,38 +174,35 @@ static const struct imxi2c_platform_data babbage_i2c_data __initconst = { .bitrate = 100000, }; -static struct imxi2c_platform_data babbage_hsi2c_data = { +static const struct imxi2c_platform_data babbage_hsi2c_data __initconst = { .bitrate = 400000, }; +static struct gpio mx51_babbage_usbh1_gpios[] = { + { BABBAGE_USBH1_STP, GPIOF_OUT_INIT_LOW, "usbh1_stp" }, + { BABBAGE_USB_PHY_RESET, GPIOF_OUT_INIT_LOW, "usbh1_phy_reset" }, +}; + static int gpio_usbh1_active(void) { iomux_v3_cfg_t usbh1stp_gpio = MX51_PAD_USBH1_STP__GPIO1_27; - iomux_v3_cfg_t phyreset_gpio = MX51_PAD_EIM_D21__GPIO2_5; int ret; /* Set USBH1_STP to GPIO and toggle it */ mxc_iomux_v3_setup_pad(usbh1stp_gpio); - ret = gpio_request(BABBAGE_USBH1_STP, "usbh1_stp"); + ret = gpio_request_array(mx51_babbage_usbh1_gpios, + ARRAY_SIZE(mx51_babbage_usbh1_gpios)); if (ret) { - pr_debug("failed to get MX51_PAD_USBH1_STP__GPIO_1_27: %d\n", ret); + pr_debug("failed to get USBH1 pins: %d\n", ret); return ret; } - gpio_direction_output(BABBAGE_USBH1_STP, 0); - gpio_set_value(BABBAGE_USBH1_STP, 1); - msleep(100); - gpio_free(BABBAGE_USBH1_STP); - - /* De-assert USB PHY RESETB */ - mxc_iomux_v3_setup_pad(phyreset_gpio); - ret = gpio_request(BABBAGE_PHY_RESET, "phy_reset"); - if (ret) { - pr_debug("failed to get MX51_PAD_EIM_D21__GPIO_2_5: %d\n", ret); - return ret; - } - gpio_direction_output(BABBAGE_PHY_RESET, 1); + msleep(100); + gpio_set_value(BABBAGE_USBH1_STP, 1); + gpio_set_value(BABBAGE_USB_PHY_RESET, 1); + gpio_free_array(mx51_babbage_usbh1_gpios, + ARRAY_SIZE(mx51_babbage_usbh1_gpios)); return 0; } @@ -241,7 +247,7 @@ static int initialize_otg_port(struct platform_device *pdev) void __iomem *usb_base; void __iomem *usbother_base; - usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K); + usb_base = ioremap(MX51_USB_OTG_BASE_ADDR, SZ_4K); if (!usb_base) return -ENOMEM; usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET; @@ -264,7 +270,7 @@ static int initialize_usbh1_port(struct platform_device *pdev) void __iomem *usb_base; void __iomem *usbother_base; - usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K); + usb_base = ioremap(MX51_USB_OTG_BASE_ADDR, SZ_4K); if (!usb_base) return -ENOMEM; usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET; @@ -280,17 +286,17 @@ static int initialize_usbh1_port(struct platform_device *pdev) MXC_EHCI_ITC_NO_THRESHOLD); } -static struct mxc_usbh_platform_data dr_utmi_config = { +static const struct mxc_usbh_platform_data dr_utmi_config __initconst = { .init = initialize_otg_port, .portsc = MXC_EHCI_UTMI_16BIT, }; -static struct fsl_usb2_platform_data usb_pdata = { +static const struct fsl_usb2_platform_data usb_pdata __initconst = { .operating_mode = FSL_USB2_DR_DEVICE, .phy_mode = FSL_USB2_PHY_UTMI_WIDE, }; -static struct mxc_usbh_platform_data usbh1_config = { +static const struct mxc_usbh_platform_data usbh1_config __initconst = { .init = initialize_usbh1_port, .portsc = MXC_EHCI_MODE_ULPI, }; @@ -331,23 +337,42 @@ static const struct spi_imx_master mx51_babbage_spi_pdata __initconst = { .num_chipselect = ARRAY_SIZE(mx51_babbage_spi_cs), }; +static const struct esdhc_platform_data mx51_babbage_sd1_data __initconst = { + .cd_type = ESDHC_CD_CONTROLLER, + .wp_type = ESDHC_WP_CONTROLLER, +}; + +static const struct esdhc_platform_data mx51_babbage_sd2_data __initconst = { + .cd_gpio = BABBAGE_SD2_CD, + .wp_gpio = BABBAGE_SD2_WP, + .cd_type = ESDHC_CD_GPIO, + .wp_type = ESDHC_WP_GPIO, +}; + +void __init imx51_babbage_common_init(void) +{ + mxc_iomux_v3_setup_multiple_pads(mx51babbage_pads, + ARRAY_SIZE(mx51babbage_pads)); +} + /* * Board specific initialization. */ static void __init mx51_babbage_init(void) { iomux_v3_cfg_t usbh1stp = MX51_PAD_USBH1_STP__USBH1_STP; - iomux_v3_cfg_t power_key = _MX51_PAD_EIM_A27__GPIO2_21 | - MUX_PAD_CTRL(PAD_CTL_SRE_FAST | PAD_CTL_DSE_HIGH | PAD_CTL_PUS_100K_UP); + iomux_v3_cfg_t power_key = NEW_PAD_CTRL(MX51_PAD_EIM_A27__GPIO2_21, + PAD_CTL_SRE_FAST | PAD_CTL_DSE_HIGH); + + imx51_soc_init(); #if defined(CONFIG_CPU_FREQ_IMX) get_cpu_op = mx51_get_cpu_op; #endif - mxc_iomux_v3_setup_multiple_pads(mx51babbage_pads, - ARRAY_SIZE(mx51babbage_pads)); + imx51_babbage_common_init(); imx51_add_imx_uart(0, &uart_pdata); - imx51_add_imx_uart(1, &uart_pdata); + imx51_add_imx_uart(1, NULL); imx51_add_imx_uart(2, &uart_pdata); babbage_fec_reset(); @@ -359,23 +384,23 @@ static void __init mx51_babbage_init(void) imx51_add_imx_i2c(0, &babbage_i2c_data); imx51_add_imx_i2c(1, &babbage_i2c_data); - mxc_register_device(&mxc_hsi2c_device, &babbage_hsi2c_data); + imx51_add_hsi2c(&babbage_hsi2c_data); if (otg_mode_host) - mxc_register_device(&mxc_usbdr_host_device, &dr_utmi_config); + imx51_add_mxc_ehci_otg(&dr_utmi_config); else { initialize_otg_port(NULL); - mxc_register_device(&mxc_usbdr_udc_device, &usb_pdata); + imx51_add_fsl_usb2_udc(&usb_pdata); } gpio_usbh1_active(); - mxc_register_device(&mxc_usbh1_device, &usbh1_config); + imx51_add_mxc_ehci_hs(1, &usbh1_config); /* setback USBH1_STP to be function */ mxc_iomux_v3_setup_pad(usbh1stp); babbage_usbhub_reset(); - imx51_add_sdhci_esdhc_imx(0, NULL); - imx51_add_sdhci_esdhc_imx(1, NULL); + imx51_add_sdhci_esdhc_imx(0, &mx51_babbage_sd1_data); + imx51_add_sdhci_esdhc_imx(1, &mx51_babbage_sd2_data); spi_register_board_info(mx51_babbage_spi_board_info, ARRAY_SIZE(mx51_babbage_spi_board_info)); @@ -394,10 +419,11 @@ static struct sys_timer mx51_babbage_timer = { MACHINE_START(MX51_BABBAGE, "Freescale MX51 Babbage Board") /* Maintainer: Amit Kucheria <amit.kucheria@canonical.com> */ - .boot_params = MX51_PHYS_OFFSET + 0x100, + .atag_offset = 0x100, .map_io = mx51_map_io, .init_early = imx51_init_early, .init_irq = mx51_init_irq, + .handle_irq = imx51_handle_irq, .timer = &mx51_babbage_timer, .init_machine = mx51_babbage_init, MACHINE_END |