diff options
Diffstat (limited to 'arch/arm/mach-stmp378x/stmp378x_devb.c')
| -rw-r--r-- | arch/arm/mach-stmp378x/stmp378x_devb.c | 332 |
1 files changed, 0 insertions, 332 deletions
diff --git a/arch/arm/mach-stmp378x/stmp378x_devb.c b/arch/arm/mach-stmp378x/stmp378x_devb.c deleted file mode 100644 index 06158848afd9..000000000000 --- a/arch/arm/mach-stmp378x/stmp378x_devb.c +++ /dev/null @@ -1,332 +0,0 @@ -/* - * Freescale STMP378X development board support - * - * Embedded Alley Solutions, Inc <source@embeddedalley.com> - * - * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. - * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved. - */ - -/* - * The code contained herein is licensed under the GNU General Public - * License. You may obtain a copy of the GNU General Public License - * Version 2 or later at the following locations: - * - * http://www.opensource.org/licenses/gpl-license.html - * http://www.gnu.org/copyleft/gpl.html - */ -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/io.h> -#include <linux/platform_device.h> -#include <linux/delay.h> -#include <linux/clk.h> -#include <linux/err.h> -#include <linux/spi/spi.h> - -#include <asm/setup.h> -#include <asm/mach-types.h> -#include <asm/mach/arch.h> - -#include <mach/pins.h> -#include <mach/pinmux.h> -#include <mach/platform.h> -#include <mach/stmp3xxx.h> -#include <mach/mmc.h> -#include <mach/gpmi.h> - -#include "stmp378x.h" - -static struct platform_device *devices[] = { - &stmp3xxx_dbguart, - &stmp3xxx_appuart, - &stmp3xxx_watchdog, - &stmp3xxx_touchscreen, - &stmp3xxx_rtc, - &stmp3xxx_keyboard, - &stmp3xxx_framebuffer, - &stmp3xxx_backlight, - &stmp3xxx_rotdec, - &stmp3xxx_persistent, - &stmp3xxx_dcp_bootstream, - &stmp3xxx_dcp, - &stmp3xxx_battery, - &stmp378x_pxp, - &stmp378x_i2c, -}; - -static struct pin_desc i2c_pins_desc[] = { - { PINID_I2C_SCL, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 }, - { PINID_I2C_SDA, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 }, -}; - -static struct pin_group i2c_pins = { - .pins = i2c_pins_desc, - .nr_pins = ARRAY_SIZE(i2c_pins_desc), -}; - -static struct pin_desc dbguart_pins_0[] = { - { PINID_PWM0, PIN_FUN3, }, - { PINID_PWM1, PIN_FUN3, }, -}; - -static struct pin_group dbguart_pins[] = { - [0] = { - .pins = dbguart_pins_0, - .nr_pins = ARRAY_SIZE(dbguart_pins_0), - }, -}; - -static int dbguart_pins_control(int id, int request) -{ - int r = 0; - - if (request) - r = stmp3xxx_request_pin_group(&dbguart_pins[id], "debug uart"); - else - stmp3xxx_release_pin_group(&dbguart_pins[id], "debug uart"); - return r; -} - -static struct pin_desc appuart_pins_0[] = { - { PINID_AUART1_CTS, PIN_FUN1, PIN_4MA, PIN_1_8V, 0, }, - { PINID_AUART1_RTS, PIN_FUN1, PIN_4MA, PIN_1_8V, 0, }, - { PINID_AUART1_RX, PIN_FUN1, PIN_4MA, PIN_1_8V, 0, }, - { PINID_AUART1_TX, PIN_FUN1, PIN_4MA, PIN_1_8V, 0, }, -}; - -static struct pin_desc appuart_pins_1[] = { -#if 0 /* enable these when second appuart will be connected */ - { PINID_AUART2_CTS, PIN_FUN1, PIN_4MA, PIN_1_8V, 0, }, - { PINID_AUART2_RTS, PIN_FUN1, PIN_4MA, PIN_1_8V, 0, }, - { PINID_AUART2_RX, PIN_FUN1, PIN_4MA, PIN_1_8V, 0, }, - { PINID_AUART2_TX, PIN_FUN1, PIN_4MA, PIN_1_8V, 0, }, -#endif -}; - -static struct pin_desc mmc_pins_desc[] = { - { PINID_SSP1_DATA0, PIN_FUN1, PIN_8MA, PIN_3_3V, 1 }, - { PINID_SSP1_DATA1, PIN_FUN1, PIN_8MA, PIN_3_3V, 1 }, - { PINID_SSP1_DATA2, PIN_FUN1, PIN_8MA, PIN_3_3V, 1 }, - { PINID_SSP1_DATA3, PIN_FUN1, PIN_8MA, PIN_3_3V, 1 }, - { PINID_SSP1_CMD, PIN_FUN1, PIN_8MA, PIN_3_3V, 1 }, - { PINID_SSP1_SCK, PIN_FUN1, PIN_8MA, PIN_3_3V, 0 }, - { PINID_SSP1_DETECT, PIN_FUN1, PIN_8MA, PIN_3_3V, 0 }, -}; - -static struct pin_group mmc_pins = { - .pins = mmc_pins_desc, - .nr_pins = ARRAY_SIZE(mmc_pins_desc), -}; - -static int stmp3xxxmmc_get_wp(void) -{ - return gpio_get_value(PINID_PWM4); -} - -static int stmp3xxxmmc_hw_init_ssp1(void) -{ - int ret; - - ret = stmp3xxx_request_pin_group(&mmc_pins, "mmc"); - if (ret) - goto out; - - /* Configure write protect GPIO pin */ - ret = gpio_request(PINID_PWM4, "mmc wp"); - if (ret) - goto out_wp; - - gpio_direction_input(PINID_PWM4); - - /* Configure POWER pin as gpio to drive power to MMC slot */ - ret = gpio_request(PINID_PWM3, "mmc power"); - if (ret) - goto out_power; - - gpio_direction_output(PINID_PWM3, 0); - mdelay(100); - - return 0; - -out_power: - gpio_free(PINID_PWM4); -out_wp: - stmp3xxx_release_pin_group(&mmc_pins, "mmc"); -out: - return ret; -} - -static void stmp3xxxmmc_hw_release_ssp1(void) -{ - gpio_free(PINID_PWM3); - gpio_free(PINID_PWM4); - stmp3xxx_release_pin_group(&mmc_pins, "mmc"); -} - -static void stmp3xxxmmc_cmd_pullup_ssp1(int enable) -{ - stmp3xxx_pin_pullup(PINID_SSP1_CMD, enable, "mmc"); -} - -static unsigned long -stmp3xxxmmc_setclock_ssp1(void __iomem *base, unsigned long hz) -{ - struct clk *ssp, *parent; - char *p; - long r; - - ssp = clk_get(NULL, "ssp"); - - /* using SSP1, no timeout, clock rate 1 */ - writel(BF(2, SSP_TIMING_CLOCK_DIVIDE) | - BF(0xFFFF, SSP_TIMING_TIMEOUT), - base + HW_SSP_TIMING); - - p = (hz > 1000000) ? "io" : "osc_24M"; - parent = clk_get(NULL, p); - clk_set_parent(ssp, parent); - r = clk_set_rate(ssp, 2 * hz / 1000); - clk_put(parent); - clk_put(ssp); - - return hz; -} - -static struct stmp3xxxmmc_platform_data mmc_data = { - .hw_init = stmp3xxxmmc_hw_init_ssp1, - .hw_release = stmp3xxxmmc_hw_release_ssp1, - .get_wp = stmp3xxxmmc_get_wp, - .cmd_pullup = stmp3xxxmmc_cmd_pullup_ssp1, - .setclock = stmp3xxxmmc_setclock_ssp1, -}; - - -static struct pin_group appuart_pins[] = { - [0] = { - .pins = appuart_pins_0, - .nr_pins = ARRAY_SIZE(appuart_pins_0), - }, - [1] = { - .pins = appuart_pins_1, - .nr_pins = ARRAY_SIZE(appuart_pins_1), - }, -}; - -static struct pin_desc ssp1_pins_desc[] = { - { PINID_SSP1_SCK, PIN_FUN1, PIN_8MA, PIN_3_3V, 0, }, - { PINID_SSP1_CMD, PIN_FUN1, PIN_4MA, PIN_3_3V, 0, }, - { PINID_SSP1_DATA0, PIN_FUN1, PIN_4MA, PIN_3_3V, 0, }, - { PINID_SSP1_DATA3, PIN_FUN1, PIN_4MA, PIN_3_3V, 0, }, -}; - -static struct pin_desc ssp2_pins_desc[] = { - { PINID_GPMI_WRN, PIN_FUN3, PIN_8MA, PIN_3_3V, 0, }, - { PINID_GPMI_RDY1, PIN_FUN3, PIN_4MA, PIN_3_3V, 0, }, - { PINID_GPMI_D00, PIN_FUN3, PIN_4MA, PIN_3_3V, 0, }, - { PINID_GPMI_D03, PIN_FUN3, PIN_4MA, PIN_3_3V, 0, }, -}; - -static struct pin_group ssp1_pins = { - .pins = ssp1_pins_desc, - .nr_pins = ARRAY_SIZE(ssp1_pins_desc), -}; - -static struct pin_group ssp2_pins = { - .pins = ssp1_pins_desc, - .nr_pins = ARRAY_SIZE(ssp2_pins_desc), -}; - -static struct pin_desc gpmi_pins_desc[] = { - { PINID_GPMI_CE0N, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 }, - { PINID_GPMI_CE1N, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 }, - { PINID_GMPI_CE2N, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 }, - { PINID_GPMI_CLE, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 }, - { PINID_GPMI_ALE, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 }, - { PINID_GPMI_WPN, PIN_FUN1, PIN_12MA, PIN_3_3V, 0 }, - { PINID_GPMI_RDY1, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 }, - { PINID_GPMI_D00, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 }, - { PINID_GPMI_D01, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 }, - { PINID_GPMI_D02, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 }, - { PINID_GPMI_D03, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 }, - { PINID_GPMI_D04, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 }, - { PINID_GPMI_D05, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 }, - { PINID_GPMI_D06, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 }, - { PINID_GPMI_D07, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 }, - { PINID_GPMI_RDY0, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 }, - { PINID_GPMI_RDY2, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 }, - { PINID_GPMI_RDY3, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 }, - { PINID_GPMI_WRN, PIN_FUN1, PIN_12MA, PIN_3_3V, 0 }, - { PINID_GPMI_RDN, PIN_FUN1, PIN_12MA, PIN_3_3V, 0 }, -}; - -static struct pin_group gpmi_pins = { - .pins = gpmi_pins_desc, - .nr_pins = ARRAY_SIZE(gpmi_pins_desc), -}; - -static struct mtd_partition gpmi_partitions[] = { - [0] = { - .name = "boot", - .size = 10 * SZ_1M, - .offset = 0, - }, - [1] = { - .name = "data", - .size = MTDPART_SIZ_FULL, - .offset = MTDPART_OFS_APPEND, - }, -}; - -static struct gpmi_platform_data gpmi_data = { - .pins = &gpmi_pins, - .nr_parts = ARRAY_SIZE(gpmi_partitions), - .parts = gpmi_partitions, - .part_types = { "cmdline", NULL }, -}; - -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 = NULL, - }, -#endif -}; - -static void __init stmp378x_devb_init(void) -{ - stmp3xxx_pinmux_init(NR_REAL_IRQS); - - /* init stmp3xxx platform */ - stmp3xxx_init(); - - stmp3xxx_dbguart.dev.platform_data = dbguart_pins_control; - stmp3xxx_appuart.dev.platform_data = appuart_pins; - stmp3xxx_mmc.dev.platform_data = &mmc_data; - stmp3xxx_gpmi.dev.platform_data = &gpmi_data; - stmp3xxx_spi1.dev.platform_data = &ssp1_pins; - stmp3xxx_spi2.dev.platform_data = &ssp2_pins; - stmp378x_i2c.dev.platform_data = &i2c_pins; - - /* register spi devices */ - spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info)); - - /* add board's devices */ - platform_add_devices(devices, ARRAY_SIZE(devices)); - - /* add devices selected by command line ssp1= and ssp2= options */ - stmp3xxx_ssp1_device_register(); - stmp3xxx_ssp2_device_register(); -} - -MACHINE_START(STMP378X, "STMP378X") - .boot_params = 0x40000100, - .map_io = stmp378x_map_io, - .init_irq = stmp378x_init_irq, - .timer = &stmp3xxx_timer, - .init_machine = stmp378x_devb_init, -MACHINE_END |