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authorAnton Arapov <anton@redhat.com>2012-04-16 10:05:28 +0200
committerAnton Arapov <anton@redhat.com>2012-04-16 10:05:28 +0200
commitb4b6116a13633898cf868f2f103c96a90c4c20f8 (patch)
tree93d1b7e2cfcdf473d8d4ff3ad141fa864f8491f6 /arch/arm/mach-omap2/board-h4.c
parentedd4be777c953e5faafc80d091d3084b4343f5d3 (diff)
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fedora kernel: d9aad82f3319f3cfd1aebc01234254ef0c37ad84v3.3.2-1
Signed-off-by: Anton Arapov <anton@redhat.com>
Diffstat (limited to 'arch/arm/mach-omap2/board-h4.c')
-rw-r--r--arch/arm/mach-omap2/board-h4.c403
1 files changed, 403 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-h4.c b/arch/arm/mach-omap2/board-h4.c
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+++ b/arch/arm/mach-omap2/board-h4.c
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+/*
+ * linux/arch/arm/mach-omap2/board-h4.c
+ *
+ * Copyright (C) 2005 Nokia Corporation
+ * Author: Paul Mundt <paul.mundt@nokia.com>
+ *
+ * Modified from mach-omap/omap1/board-generic.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/gpio.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <linux/delay.h>
+#include <linux/workqueue.h>
+#include <linux/i2c.h>
+#include <linux/i2c/at24.h>
+#include <linux/input.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/input/matrix_keypad.h>
+
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <plat/usb.h>
+#include <plat/board.h>
+#include "common.h"
+#include <plat/menelaus.h>
+#include <plat/dma.h>
+#include <plat/gpmc.h>
+
+#include <video/omapdss.h>
+#include <video/omap-panel-generic-dpi.h>
+
+#include "mux.h"
+#include "control.h"
+
+#define H4_FLASH_CS 0
+#define H4_SMC91X_CS 1
+
+#define H4_ETHR_GPIO_IRQ 92
+
+#if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)
+static const uint32_t board_matrix_keys[] = {
+ KEY(0, 0, KEY_LEFT),
+ KEY(1, 0, KEY_RIGHT),
+ KEY(2, 0, KEY_A),
+ KEY(3, 0, KEY_B),
+ KEY(4, 0, KEY_C),
+ KEY(0, 1, KEY_DOWN),
+ KEY(1, 1, KEY_UP),
+ KEY(2, 1, KEY_E),
+ KEY(3, 1, KEY_F),
+ KEY(4, 1, KEY_G),
+ KEY(0, 2, KEY_ENTER),
+ KEY(1, 2, KEY_I),
+ KEY(2, 2, KEY_J),
+ KEY(3, 2, KEY_K),
+ KEY(4, 2, KEY_3),
+ KEY(0, 3, KEY_M),
+ KEY(1, 3, KEY_N),
+ KEY(2, 3, KEY_O),
+ KEY(3, 3, KEY_P),
+ KEY(4, 3, KEY_Q),
+ KEY(0, 4, KEY_R),
+ KEY(1, 4, KEY_4),
+ KEY(2, 4, KEY_T),
+ KEY(3, 4, KEY_U),
+ KEY(4, 4, KEY_ENTER),
+ KEY(0, 5, KEY_V),
+ KEY(1, 5, KEY_W),
+ KEY(2, 5, KEY_L),
+ KEY(3, 5, KEY_S),
+ KEY(4, 5, KEY_ENTER),
+};
+
+static const struct matrix_keymap_data board_keymap_data = {
+ .keymap = board_matrix_keys,
+ .keymap_size = ARRAY_SIZE(board_matrix_keys),
+};
+
+static unsigned int board_keypad_row_gpios[] = {
+ 88, 89, 124, 11, 6, 96
+};
+
+static unsigned int board_keypad_col_gpios[] = {
+ 90, 91, 100, 36, 12, 97, 98
+};
+
+static struct matrix_keypad_platform_data board_keypad_platform_data = {
+ .keymap_data = &board_keymap_data,
+ .row_gpios = board_keypad_row_gpios,
+ .num_row_gpios = ARRAY_SIZE(board_keypad_row_gpios),
+ .col_gpios = board_keypad_col_gpios,
+ .num_col_gpios = ARRAY_SIZE(board_keypad_col_gpios),
+ .active_low = 1,
+
+ .debounce_ms = 20,
+ .col_scan_delay_us = 5,
+};
+
+static struct platform_device board_keyboard = {
+ .name = "matrix-keypad",
+ .id = -1,
+ .dev = {
+ .platform_data = &board_keypad_platform_data,
+ },
+};
+static void __init board_mkp_init(void)
+{
+ omap_mux_init_gpio(88, OMAP_PULL_ENA | OMAP_PULL_UP);
+ omap_mux_init_gpio(89, OMAP_PULL_ENA | OMAP_PULL_UP);
+ omap_mux_init_gpio(124, OMAP_PULL_ENA | OMAP_PULL_UP);
+ omap_mux_init_signal("mcbsp2_dr.gpio_11", OMAP_PULL_ENA | OMAP_PULL_UP);
+ if (omap_has_menelaus()) {
+ omap_mux_init_signal("sdrc_a14.gpio0",
+ OMAP_PULL_ENA | OMAP_PULL_UP);
+ omap_mux_init_signal("vlynq_rx0.gpio_15", 0);
+ omap_mux_init_signal("gpio_98", 0);
+ board_keypad_row_gpios[5] = 0;
+ board_keypad_col_gpios[2] = 15;
+ board_keypad_col_gpios[6] = 18;
+ } else {
+ omap_mux_init_signal("gpio_96", OMAP_PULL_ENA | OMAP_PULL_UP);
+ omap_mux_init_signal("gpio_100", 0);
+ omap_mux_init_signal("gpio_98", 0);
+ }
+ omap_mux_init_signal("gpio_90", 0);
+ omap_mux_init_signal("gpio_91", 0);
+ omap_mux_init_signal("gpio_36", 0);
+ omap_mux_init_signal("mcbsp2_clkx.gpio_12", 0);
+ omap_mux_init_signal("gpio_97", 0);
+
+ platform_device_register(&board_keyboard);
+}
+#else
+static inline void board_mkp_init(void)
+{
+}
+#endif
+
+static struct mtd_partition h4_partitions[] = {
+ /* bootloader (U-Boot, etc) in first sector */
+ {
+ .name = "bootloader",
+ .offset = 0,
+ .size = SZ_128K,
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ },
+ /* bootloader params in the next sector */
+ {
+ .name = "params",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_128K,
+ .mask_flags = 0,
+ },
+ /* kernel */
+ {
+ .name = "kernel",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_2M,
+ .mask_flags = 0
+ },
+ /* file system */
+ {
+ .name = "filesystem",
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL,
+ .mask_flags = 0
+ }
+};
+
+static struct physmap_flash_data h4_flash_data = {
+ .width = 2,
+ .parts = h4_partitions,
+ .nr_parts = ARRAY_SIZE(h4_partitions),
+};
+
+static struct resource h4_flash_resource = {
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device h4_flash_device = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &h4_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &h4_flash_resource,
+};
+
+static struct platform_device *h4_devices[] __initdata = {
+ &h4_flash_device,
+};
+
+static struct panel_generic_dpi_data h4_panel_data = {
+ .name = "h4",
+};
+
+static struct omap_dss_device h4_lcd_device = {
+ .name = "lcd",
+ .driver_name = "generic_dpi_panel",
+ .type = OMAP_DISPLAY_TYPE_DPI,
+ .phy.dpi.data_lines = 16,
+ .data = &h4_panel_data,
+};
+
+static struct omap_dss_device *h4_dss_devices[] = {
+ &h4_lcd_device,
+};
+
+static struct omap_dss_board_info h4_dss_data = {
+ .num_devices = ARRAY_SIZE(h4_dss_devices),
+ .devices = h4_dss_devices,
+ .default_device = &h4_lcd_device,
+};
+
+/* 2420 Sysboot setup (2430 is different) */
+static u32 get_sysboot_value(void)
+{
+ return (omap_ctrl_readl(OMAP24XX_CONTROL_STATUS) &
+ (OMAP2_SYSBOOT_5_MASK | OMAP2_SYSBOOT_4_MASK |
+ OMAP2_SYSBOOT_3_MASK | OMAP2_SYSBOOT_2_MASK |
+ OMAP2_SYSBOOT_1_MASK | OMAP2_SYSBOOT_0_MASK));
+}
+
+/* H4-2420's always used muxed mode, H4-2422's always use non-muxed
+ *
+ * Note: OMAP-GIT doesn't correctly do is_cpu_omap2422 and is_cpu_omap2423
+ * correctly. The macro needs to look at production_id not just hawkeye.
+ */
+static u32 is_gpmc_muxed(void)
+{
+ u32 mux;
+ mux = get_sysboot_value();
+ if ((mux & 0xF) == 0xd)
+ return 1; /* NAND config (could be either) */
+ if (mux & 0x2) /* if mux'ed */
+ return 1;
+ else
+ return 0;
+}
+
+static inline void __init h4_init_debug(void)
+{
+ int eth_cs;
+ unsigned long cs_mem_base;
+ unsigned int muxed, rate;
+ struct clk *gpmc_fck;
+
+ eth_cs = H4_SMC91X_CS;
+
+ gpmc_fck = clk_get(NULL, "gpmc_fck"); /* Always on ENABLE_ON_INIT */
+ if (IS_ERR(gpmc_fck)) {
+ WARN_ON(1);
+ return;
+ }
+
+ clk_enable(gpmc_fck);
+ rate = clk_get_rate(gpmc_fck);
+ clk_disable(gpmc_fck);
+ clk_put(gpmc_fck);
+
+ if (is_gpmc_muxed())
+ muxed = 0x200;
+ else
+ muxed = 0;
+
+ /* Make sure CS1 timings are correct */
+ gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1,
+ 0x00011000 | muxed);
+
+ if (rate >= 160000000) {
+ gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f01);
+ gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080803);
+ gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1c0b1c0a);
+ gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
+ gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
+ } else if (rate >= 130000000) {
+ gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
+ gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
+ gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
+ gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
+ gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
+ } else {/* rate = 100000000 */
+ gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
+ gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
+ gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
+ gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x031A1F1F);
+ gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000003C2);
+ }
+
+ if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) {
+ printk(KERN_ERR "Failed to request GPMC mem for smc91x\n");
+ goto out;
+ }
+
+ udelay(100);
+
+ omap_mux_init_gpio(92, 0);
+ if (debug_card_init(cs_mem_base, H4_ETHR_GPIO_IRQ) < 0)
+ gpmc_cs_free(eth_cs);
+
+out:
+ clk_disable(gpmc_fck);
+ clk_put(gpmc_fck);
+}
+
+static void __init h4_init_flash(void)
+{
+ unsigned long base;
+
+ if (gpmc_cs_request(H4_FLASH_CS, SZ_64M, &base) < 0) {
+ printk("Can't request GPMC CS for flash\n");
+ return;
+ }
+ h4_flash_resource.start = base;
+ h4_flash_resource.end = base + SZ_64M - 1;
+}
+
+static struct omap_usb_config h4_usb_config __initdata = {
+ /* S1.10 OFF -- usb "download port"
+ * usb0 switched to Mini-B port and isp1105 transceiver;
+ * S2.POS3 = ON, S2.POS4 = OFF ... to enable battery charging
+ */
+ .register_dev = 1,
+ .pins[0] = 3,
+/* .hmc_mode = 0x14,*/ /* 0:dev 1:host 2:disable */
+ .hmc_mode = 0x00, /* 0:dev|otg 1:disable 2:disable */
+};
+
+static struct at24_platform_data m24c01 = {
+ .byte_len = SZ_1K / 8,
+ .page_size = 16,
+};
+
+static struct i2c_board_info __initdata h4_i2c_board_info[] = {
+ {
+ I2C_BOARD_INFO("isp1301_omap", 0x2d),
+ .irq = OMAP_GPIO_IRQ(125),
+ },
+ { /* EEPROM on mainboard */
+ I2C_BOARD_INFO("24c01", 0x52),
+ .platform_data = &m24c01,
+ },
+ { /* EEPROM on cpu card */
+ I2C_BOARD_INFO("24c01", 0x57),
+ .platform_data = &m24c01,
+ },
+};
+
+#ifdef CONFIG_OMAP_MUX
+static struct omap_board_mux board_mux[] __initdata = {
+ { .reg_offset = OMAP_MUX_TERMINATOR },
+};
+#endif
+
+static void __init omap_h4_init(void)
+{
+ omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAF);
+
+ /*
+ * Make sure the serial ports are muxed on at this point.
+ * You have to mux them off in device drivers later on
+ * if not needed.
+ */
+
+ board_mkp_init();
+ i2c_register_board_info(1, h4_i2c_board_info,
+ ARRAY_SIZE(h4_i2c_board_info));
+
+ platform_add_devices(h4_devices, ARRAY_SIZE(h4_devices));
+ omap2_usbfs_init(&h4_usb_config);
+ omap_serial_init();
+ omap_sdrc_init(NULL, NULL);
+ h4_init_flash();
+
+ omap_display_init(&h4_dss_data);
+}
+
+MACHINE_START(OMAP_H4, "OMAP2420 H4 board")
+ /* Maintainer: Paul Mundt <paul.mundt@nokia.com> */
+ .atag_offset = 0x100,
+ .reserve = omap_reserve,
+ .map_io = omap242x_map_io,
+ .init_early = omap2420_init_early,
+ .init_irq = omap2_init_irq,
+ .handle_irq = omap2_intc_handle_irq,
+ .init_machine = omap_h4_init,
+ .timer = &omap2_timer,
+ .restart = omap_prcm_restart,
+MACHINE_END