diff options
Diffstat (limited to 'arch/arm/mach-mx23/mx23evk.c')
| -rw-r--r-- | arch/arm/mach-mx23/mx23evk.c | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/arch/arm/mach-mx23/mx23evk.c b/arch/arm/mach-mx23/mx23evk.c new file mode 100644 index 000000000000..823718ba4ec2 --- /dev/null +++ b/arch/arm/mach-mx23/mx23evk.c @@ -0,0 +1,154 @@ +/* + * Copyright (C) 2009-2011 Freescale Semiconductor, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/io.h> +#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> +#include <asm/mach/arch.h> + +#include <mach/hardware.h> +#include <mach/device.h> +#include <mach/pinctrl.h> +#include <mach/regs-ocotp.h> + +#include "device.h" +#include "mx23evk.h" +#include "mx23_pins.h" + +static struct mxs_mma7450_platform_data mma7450_platdata = { + .reg_dvdd_io = "vddio", + .reg_avdd = "vdda", + .gpio_pin_get = mx23evk_mma7450_pin_init, + .gpio_pin_put = mx23evk_mma7450_pin_release, + /* int1 and int2 will be initialized in + i2c_device_init */ + .int1 = 0, + .int2 = 0, +}; + +static struct i2c_board_info __initdata mma7450_i2c_device = { + I2C_BOARD_INFO("mma7450", 0x1d), + .platform_data = (void *)&mma7450_platdata, +}; + +static void i2c_device_init(void) +{ + mma7450_platdata.int1 = gpio_to_irq(MXS_PIN_TO_GPIO(PINID_GPMI_D14)); + mma7450_platdata.int2 = gpio_to_irq(MXS_PIN_TO_GPIO(PINID_GPMI_D15)); + i2c_register_board_info(0, &mma7450_i2c_device, 1); +} + +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, + }, +#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) +{ + mx23_set_input_clk(24000000, 24000000, 32000, 50000000); +} + +#if defined(CONFIG_SND_MXS_SOC_ADC) || defined(CONFIG_SND_MXS_SOC_ADC_MODULE) +static void __init mx23evk_init_adc(void) +{ + struct platform_device *pdev; + pdev = mxs_get_device("mxs-adc", 0); + if (pdev == NULL) + return; + mxs_add_device(pdev, 3); +} +#else +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(); +} + + +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(); + mx23evk_mma7450_pin_init(); + mx23_device_init(); + mx23evk_device_init(); + + /* init the system revesion */ + system_rev = 0x23004; +} + +MACHINE_START(MX23EVK, "Freescale MX23EVK board") + .phys_io = 0x80000000, + .io_pg_offst = ((0xf0000000) >> 18) & 0xfffc, + .boot_params = 0x40000100, + .fixup = fixup_board, + .map_io = mx23_map_io, + .init_irq = mx23_irq_init, + .init_machine = mx23evk_init_machine, + .timer = &mx23_timer.timer, +MACHINE_END |