diff options
Diffstat (limited to 'arch/arm/mach-mx3/mx31lite.c')
-rw-r--r-- | arch/arm/mach-mx3/mx31lite.c | 74 |
1 files changed, 73 insertions, 1 deletions
diff --git a/arch/arm/mach-mx3/mx31lite.c b/arch/arm/mach-mx3/mx31lite.c index 894d98cd994..86fe70fa3e1 100644 --- a/arch/arm/mach-mx3/mx31lite.c +++ b/arch/arm/mach-mx3/mx31lite.c @@ -22,6 +22,9 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/memory.h> +#include <linux/platform_device.h> +#include <linux/gpio.h> +#include <linux/smsc911x.h> #include <mach/hardware.h> #include <asm/mach-types.h> @@ -32,11 +35,64 @@ #include <asm/page.h> #include <asm/setup.h> #include <mach/board-mx31lite.h> +#include <mach/imx-uart.h> +#include <mach/iomux-mx3.h> +#include <mach/irqs.h> +#include <mach/mxc_nand.h> +#include "devices.h" /* * This file contains the board-specific initialization routines. */ +static unsigned int mx31lite_pins[] = { + /* UART1 */ + MX31_PIN_CTS1__CTS1, + MX31_PIN_RTS1__RTS1, + MX31_PIN_TXD1__TXD1, + MX31_PIN_RXD1__RXD1, + /* LAN9117 IRQ pin */ + IOMUX_MODE(MX31_PIN_SFS6, IOMUX_CONFIG_GPIO), +}; + +static struct imxuart_platform_data uart_pdata = { + .flags = IMXUART_HAVE_RTSCTS, +}; + +static struct mxc_nand_platform_data mx31lite_nand_board_info = { + .width = 1, + .hw_ecc = 1, +}; + +static struct smsc911x_platform_config smsc911x_config = { + .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, + .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL, + .flags = SMSC911X_USE_16BIT, +}; + +static struct resource smsc911x_resources[] = { + [0] = { + .start = CS4_BASE_ADDR, + .end = CS4_BASE_ADDR + 0x100, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IOMUX_TO_IRQ(MX31_PIN_SFS6), + .end = IOMUX_TO_IRQ(MX31_PIN_SFS6), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device smsc911x_device = { + .name = "smsc911x", + .id = -1, + .num_resources = ARRAY_SIZE(smsc911x_resources), + .resource = smsc911x_resources, + .dev = { + .platform_data = &smsc911x_config, + }, +}; + /* * This structure defines the MX31 memory map. */ @@ -59,7 +115,7 @@ static struct map_desc mx31lite_io_desc[] __initdata = { */ void __init mx31lite_map_io(void) { - mxc_map_io(); + mx31_map_io(); iotable_init(mx31lite_io_desc, ARRAY_SIZE(mx31lite_io_desc)); } @@ -68,6 +124,22 @@ void __init mx31lite_map_io(void) */ static void __init mxc_board_init(void) { + int ret; + + mxc_iomux_setup_multiple_pins(mx31lite_pins, ARRAY_SIZE(mx31lite_pins), + "mx31lite"); + + mxc_register_device(&mxc_uart_device0, &uart_pdata); + mxc_register_device(&mxc_nand_device, &mx31lite_nand_board_info); + + /* SMSC9117 IRQ pin */ + ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_SFS6), "sms9117-irq"); + if (ret) + pr_warning("could not get LAN irq gpio\n"); + else { + gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_SFS6)); + platform_device_register(&smsc911x_device); + } } static void __init mx31lite_timer_init(void) |