diff options
Diffstat (limited to 'arch/arm/mach-mx5/board-mx51_babbage.c')
| -rw-r--r-- | arch/arm/mach-mx5/board-mx51_babbage.c | 72 |
1 files changed, 54 insertions, 18 deletions
diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c index 6e384d92e625..23ee4a447406 100644 --- a/arch/arm/mach-mx5/board-mx51_babbage.c +++ b/arch/arm/mach-mx5/board-mx51_babbage.c @@ -17,12 +17,11 @@ #include <linux/delay.h> #include <linux/io.h> #include <linux/fsl_devices.h> +#include <linux/fec.h> #include <mach/common.h> #include <mach/hardware.h> -#include <mach/imx-uart.h> #include <mach/iomux-mx51.h> -#include <mach/i2c.h> #include <mach/mxc_ehci.h> #include <asm/irq.h> @@ -31,11 +30,13 @@ #include <asm/mach/arch.h> #include <asm/mach/time.h> +#include "devices-imx51.h" #include "devices.h" #define BABBAGE_USB_HUB_RESET (0*32 + 7) /* GPIO_1_7 */ #define BABBAGE_USBH1_STP (0*32 + 27) /* GPIO_1_27 */ -#define BABBAGE_PHY_RESET (1*32 +5) /* GPIO_2_5 */ +#define BABBAGE_PHY_RESET (1*32 + 5) /* GPIO_2_5 */ +#define BABBAGE_FEC_PHY_RESET (1*32 + 14) /* GPIO_2_14 */ /* USB_CTRL_1 */ #define MX51_USB_CTRL_1_OFFSET 0x10 @@ -45,10 +46,6 @@ #define MX51_USB_PLL_DIV_19_2_MHZ 0x01 #define MX51_USB_PLL_DIV_24_MHZ 0x02 -static struct platform_device *devices[] __initdata = { - &mxc_fec_device, -}; - static struct pad_desc mx51babbage_pads[] = { /* UART1 */ MX51_PAD_UART1_RXD__UART1_RXD, @@ -93,19 +90,41 @@ static struct pad_desc mx51babbage_pads[] = { /* USB HUB reset line*/ MX51_PAD_GPIO_1_7__GPIO_1_7, + + /* FEC */ + MX51_PAD_EIM_EB2__FEC_MDIO, + MX51_PAD_EIM_EB3__FEC_RDAT1, + MX51_PAD_EIM_CS2__FEC_RDAT2, + MX51_PAD_EIM_CS3__FEC_RDAT3, + MX51_PAD_EIM_CS4__FEC_RX_ER, + MX51_PAD_EIM_CS5__FEC_CRS, + MX51_PAD_NANDF_RB2__FEC_COL, + MX51_PAD_NANDF_RB3__FEC_RXCLK, + MX51_PAD_NANDF_RB6__FEC_RDAT0, + MX51_PAD_NANDF_RB7__FEC_TDAT0, + MX51_PAD_NANDF_CS2__FEC_TX_ER, + MX51_PAD_NANDF_CS3__FEC_MDC, + MX51_PAD_NANDF_CS4__FEC_TDAT1, + MX51_PAD_NANDF_CS5__FEC_TDAT2, + MX51_PAD_NANDF_CS6__FEC_TDAT3, + MX51_PAD_NANDF_CS7__FEC_TX_EN, + MX51_PAD_NANDF_RDY_INT__FEC_TX_CLK, + + /* FEC PHY reset line */ + MX51_PAD_EIM_A20__GPIO_2_14, }; /* Serial ports */ #if defined(CONFIG_SERIAL_IMX) || defined(CONFIG_SERIAL_IMX_MODULE) -static struct imxuart_platform_data uart_pdata = { +static const struct imxuart_platform_data uart_pdata __initconst = { .flags = IMXUART_HAVE_RTSCTS, }; static inline void mxc_init_imx_uart(void) { - mxc_register_device(&mxc_uart_device0, &uart_pdata); - mxc_register_device(&mxc_uart_device1, &uart_pdata); - mxc_register_device(&mxc_uart_device2, &uart_pdata); + 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) @@ -113,7 +132,7 @@ static inline void mxc_init_imx_uart(void) } #endif /* SERIAL_IMX */ -static struct imxi2c_platform_data babbage_i2c_data = { +static const struct imxi2c_platform_data babbage_i2c_data __initconst = { .bitrate = 100000, }; @@ -171,6 +190,22 @@ static inline void babbage_usbhub_reset(void) gpio_set_value(BABBAGE_USB_HUB_RESET, 1); } +static inline void babbage_fec_reset(void) +{ + int ret; + + /* reset FEC PHY */ + ret = gpio_request(BABBAGE_FEC_PHY_RESET, "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); +} + /* This function is board specific as the bit mask for the plldiv will also be different for other Freescale SoCs, thus a common bitmask is not possible and cannot get place in /plat-mxc/ehci.c.*/ @@ -178,7 +213,7 @@ static int initialize_otg_port(struct platform_device *pdev) { u32 v; void __iomem *usb_base; - u32 usbother_base; + void __iomem *usbother_base; usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K); usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET; @@ -196,7 +231,7 @@ static int initialize_usbh1_port(struct platform_device *pdev) { u32 v; void __iomem *usb_base; - u32 usbother_base; + void __iomem *usbother_base; usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K); usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET; @@ -250,10 +285,11 @@ static void __init mxc_board_init(void) mxc_iomux_v3_setup_multiple_pads(mx51babbage_pads, ARRAY_SIZE(mx51babbage_pads)); mxc_init_imx_uart(); - platform_add_devices(devices, ARRAY_SIZE(devices)); + babbage_fec_reset(); + imx51_add_fec(NULL); - mxc_register_device(&mxc_i2c_device0, &babbage_i2c_data); - mxc_register_device(&mxc_i2c_device1, &babbage_i2c_data); + 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); if (otg_mode_host) @@ -283,7 +319,7 @@ MACHINE_START(MX51_BABBAGE, "Freescale MX51 Babbage Board") /* Maintainer: Amit Kucheria <amit.kucheria@canonical.com> */ .phys_io = MX51_AIPS1_BASE_ADDR, .io_pg_offst = ((MX51_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, - .boot_params = PHYS_OFFSET + 0x100, + .boot_params = MX51_PHYS_OFFSET + 0x100, .map_io = mx51_map_io, .init_irq = mx51_init_irq, .init_machine = mxc_board_init, |