diff options
Diffstat (limited to 'arch/arm/mach-mx5/board-mx51_babbage.c')
| -rw-r--r-- | arch/arm/mach-mx5/board-mx51_babbage.c | 66 |
1 files changed, 28 insertions, 38 deletions
diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c index 1d231e84107c..c7b3fabf50f9 100644 --- a/arch/arm/mach-mx5/board-mx51_babbage.c +++ b/arch/arm/mach-mx5/board-mx51_babbage.c @@ -16,9 +16,6 @@ #include <linux/gpio.h> #include <linux/delay.h> #include <linux/io.h> -#include <linux/fsl_devices.h> -#include <linux/fec.h> -#include <linux/gpio_keys.h> #include <linux/input.h> #include <linux/spi/flash.h> #include <linux/spi/spi.h> @@ -26,7 +23,6 @@ #include <mach/common.h> #include <mach/hardware.h> #include <mach/iomux-mx51.h> -#include <mach/mxc_ehci.h> #include <asm/irq.h> #include <asm/setup.h> @@ -161,23 +157,10 @@ static iomux_v3_cfg_t mx51babbage_pads[] = { }; /* Serial ports */ -#if defined(CONFIG_SERIAL_IMX) || defined(CONFIG_SERIAL_IMX_MODULE) static const struct imxuart_platform_data uart_pdata __initconst = { .flags = IMXUART_HAVE_RTSCTS, }; -static inline void mxc_init_imx_uart(void) -{ - imx51_add_imx_uart(0, &uart_pdata); - imx51_add_imx_uart(1, &uart_pdata); - imx51_add_imx_uart(2, &uart_pdata); -} -#else /* !SERIAL_IMX */ -static inline void mxc_init_imx_uart(void) -{ -} -#endif /* SERIAL_IMX */ - static const struct imxi2c_platform_data babbage_i2c_data __initconst = { .bitrate = 100000, }; @@ -221,18 +204,16 @@ static inline void babbage_usbhub_reset(void) { int ret; - /* Bring USB hub out of reset */ - ret = gpio_request(BABBAGE_USB_HUB_RESET, "GPIO1_7"); + /* Reset USB hub */ + ret = gpio_request_one(BABBAGE_USB_HUB_RESET, + GPIOF_OUT_INIT_LOW, "GPIO1_7"); if (ret) { printk(KERN_ERR"failed to get GPIO_USB_HUB_RESET: %d\n", ret); return; } - gpio_direction_output(BABBAGE_USB_HUB_RESET, 0); - /* USB HUB RESET - De-assert USB HUB RESET_N */ - msleep(1); - gpio_set_value(BABBAGE_USB_HUB_RESET, 0); - msleep(1); + msleep(2); + /* Deassert reset */ gpio_set_value(BABBAGE_USB_HUB_RESET, 1); } @@ -241,13 +222,12 @@ static inline void babbage_fec_reset(void) int ret; /* reset FEC PHY */ - ret = gpio_request(BABBAGE_FEC_PHY_RESET, "fec-phy-reset"); + ret = gpio_request_one(BABBAGE_FEC_PHY_RESET, + GPIOF_OUT_INIT_LOW, "fec-phy-reset"); if (ret) { printk(KERN_ERR"failed to get GPIO_FEC_PHY_RESET: %d\n", ret); return; } - gpio_direction_output(BABBAGE_FEC_PHY_RESET, 0); - gpio_set_value(BABBAGE_FEC_PHY_RESET, 0); msleep(1); gpio_set_value(BABBAGE_FEC_PHY_RESET, 1); } @@ -272,7 +252,10 @@ static int initialize_otg_port(struct platform_device *pdev) v |= MX51_USB_PLL_DIV_19_2_MHZ; __raw_writel(v, usbother_base + MXC_USB_PHY_CTR_FUNC2_OFFSET); iounmap(usb_base); - return 0; + + mdelay(10); + + return mx51_initialize_usb_hw(0, MXC_EHCI_INTERNAL_PHY); } static int initialize_usbh1_port(struct platform_device *pdev) @@ -290,13 +273,16 @@ static int initialize_usbh1_port(struct platform_device *pdev) v = __raw_readl(usbother_base + MX51_USB_CTRL_1_OFFSET); __raw_writel(v | MX51_USB_CTRL_UH1_EXT_CLK_EN, usbother_base + MX51_USB_CTRL_1_OFFSET); iounmap(usb_base); - return 0; + + mdelay(10); + + return mx51_initialize_usb_hw(1, MXC_EHCI_POWER_PINS_ENABLED | + MXC_EHCI_ITC_NO_THRESHOLD); } static struct mxc_usbh_platform_data dr_utmi_config = { .init = initialize_otg_port, .portsc = MXC_EHCI_UTMI_16BIT, - .flags = MXC_EHCI_INTERNAL_PHY, }; static struct fsl_usb2_platform_data usb_pdata = { @@ -307,7 +293,6 @@ static struct fsl_usb2_platform_data usb_pdata = { static struct mxc_usbh_platform_data usbh1_config = { .init = initialize_usbh1_port, .portsc = MXC_EHCI_MODE_ULPI, - .flags = (MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_ITC_NO_THRESHOLD), }; static int otg_mode_host; @@ -349,7 +334,7 @@ static const struct spi_imx_master mx51_babbage_spi_pdata __initconst = { /* * Board specific initialization. */ -static void __init mxc_board_init(void) +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 | @@ -360,13 +345,17 @@ static void __init mxc_board_init(void) #endif mxc_iomux_v3_setup_multiple_pads(mx51babbage_pads, ARRAY_SIZE(mx51babbage_pads)); - mxc_init_imx_uart(); + + imx51_add_imx_uart(0, &uart_pdata); + imx51_add_imx_uart(1, &uart_pdata); + imx51_add_imx_uart(2, &uart_pdata); + babbage_fec_reset(); imx51_add_fec(NULL); /* Set the PAD settings for the pwr key. */ mxc_iomux_v3_setup_pad(power_key); - imx51_add_gpio_keys(&imx_button_data); + imx_add_gpio_keys(&imx_button_data); imx51_add_imx_i2c(0, &babbage_i2c_data); imx51_add_imx_i2c(1, &babbage_i2c_data); @@ -399,15 +388,16 @@ static void __init mx51_babbage_timer_init(void) mx51_clocks_init(32768, 24000000, 22579200, 0); } -static struct sys_timer mxc_timer = { - .init = mx51_babbage_timer_init, +static struct sys_timer mx51_babbage_timer = { + .init = mx51_babbage_timer_init, }; MACHINE_START(MX51_BABBAGE, "Freescale MX51 Babbage Board") /* Maintainer: Amit Kucheria <amit.kucheria@canonical.com> */ .boot_params = MX51_PHYS_OFFSET + 0x100, .map_io = mx51_map_io, + .init_early = imx51_init_early, .init_irq = mx51_init_irq, - .init_machine = mxc_board_init, - .timer = &mxc_timer, + .timer = &mx51_babbage_timer, + .init_machine = mx51_babbage_init, MACHINE_END |