diff options
Diffstat (limited to 'arch/arm/mach-mx23/mx23evk.c')
| -rw-r--r-- | arch/arm/mach-mx23/mx23evk.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/arm/mach-mx23/mx23evk.c b/arch/arm/mach-mx23/mx23evk.c index 53f958779c1c..6ce1583e28eb 100644 --- a/arch/arm/mach-mx23/mx23evk.c +++ b/arch/arm/mach-mx23/mx23evk.c @@ -22,6 +22,7 @@ #include <linux/clk.h> #include <linux/platform_device.h> #include <linux/i2c.h> +#include <linux/spi/spi.h> #include <asm/setup.h> #include <asm/mach-types.h> @@ -30,6 +31,7 @@ #include <mach/hardware.h> #include <mach/device.h> #include <mach/pinctrl.h> +#include <mach/regs-ocotp.h> #include "device.h" #include "mx23evk.h" @@ -58,6 +60,28 @@ static void i2c_device_init(void) i2c_register_board_info(0, &mma7450_i2c_device, 1); } +static struct mxs_spi_platform_data enc_data = { + .hw_pin_init = mxs_spi_enc_pin_init, + .hw_pin_release = mxs_spi_enc_pin_release, +}; +static struct spi_board_info spi_board_info[] __initdata = { +#if defined(CONFIG_ENC28J60) || defined(CONFIG_ENC28J60_MODULE) + { + .modalias = "enc28j60", + .max_speed_hz = 6 * 1000 * 1000, + .bus_num = 1, + .chip_select = 0, + .platform_data = &enc_data, + }, +#endif +}; + +static void spi_device_init(void) +{ + spi_board_info[0].irq = gpio_to_irq(MXS_PIN_TO_GPIO(PINID_SSP1_DATA1)); + spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info)); +} + static void __init fixup_board(struct machine_desc *desc, struct tag *tags, char **cmdline, struct meminfo *mi) { @@ -80,11 +104,23 @@ static void __init mx23evk_init_adc(void) } #endif +#define REGS_OCOTP_BASE IO_ADDRESS(OCOTP_PHYS_ADDR) +int get_evk_board_version() +{ + int boardid; + boardid = __raw_readl(REGS_OCOTP_BASE + HW_OCOTP_CUSTCAP); + boardid &= 0x30000000; + boardid = boardid >> 28; + + return boardid; +} +EXPORT_SYMBOL_GPL(get_evk_board_version); static void __init mx23evk_device_init(void) { /* Add mx23evk special code */ i2c_device_init(); + spi_device_init(); mx23evk_init_adc(); } @@ -94,7 +130,12 @@ static void __init mx23evk_init_machine(void) mx23_pinctrl_init(); /* Init iram allocate */ +#ifdef CONFIG_VECTORS_PHY_ADDR + /* reserve the first page for irq vectors table*/ + iram_init(MX23_OCRAM_PHBASE + PAGE_SIZE, MX23_OCRAM_SIZE - PAGE_SIZE); +#else iram_init(MX23_OCRAM_PHBASE, MX23_OCRAM_SIZE); +#endif mx23_gpio_init(); mx23evk_pins_init(); |