370 lines
8.6 KiB
C
Executable File
370 lines
8.6 KiB
C
Executable File
/*
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* linux/arch/arm/mach-omap1/board-fsample.c
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*
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* Modified from board-perseus2.c
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*
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* Original OMAP730 support by Jean Pihet <j-pihet@ti.com>
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* Updated for 2.6 by Kevin Hilman <kjh@hilman.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/gpio.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/delay.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/nand.h>
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#include <linux/mtd/partitions.h>
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#include <linux/mtd/physmap.h>
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#include <linux/input.h>
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#include <linux/smc91x.h>
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#include <linux/omapfb.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <mach/tc.h>
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#include <mach/mux.h>
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#include <mach/flash.h>
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#include <linux/platform_data/keypad-omap.h>
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#include <mach/hardware.h>
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#include "iomap.h"
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#include "common.h"
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#include "fpga.h"
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/* fsample is pretty close to p2-sample */
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#define fsample_cpld_read(reg) __raw_readb(reg)
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#define fsample_cpld_write(val, reg) __raw_writeb(val, reg)
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#define FSAMPLE_CPLD_BASE 0xE8100000
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#define FSAMPLE_CPLD_SIZE SZ_4K
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#define FSAMPLE_CPLD_START 0x05080000
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#define FSAMPLE_CPLD_REG_A (FSAMPLE_CPLD_BASE + 0x00)
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#define FSAMPLE_CPLD_SWITCH (FSAMPLE_CPLD_BASE + 0x02)
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#define FSAMPLE_CPLD_UART (FSAMPLE_CPLD_BASE + 0x02)
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#define FSAMPLE_CPLD_REG_B (FSAMPLE_CPLD_BASE + 0x04)
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#define FSAMPLE_CPLD_VERSION (FSAMPLE_CPLD_BASE + 0x06)
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#define FSAMPLE_CPLD_SET_CLR (FSAMPLE_CPLD_BASE + 0x06)
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#define FSAMPLE_CPLD_BIT_BT_RESET 0
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#define FSAMPLE_CPLD_BIT_LCD_RESET 1
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#define FSAMPLE_CPLD_BIT_CAM_PWDN 2
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#define FSAMPLE_CPLD_BIT_CHARGER_ENABLE 3
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#define FSAMPLE_CPLD_BIT_SD_MMC_EN 4
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#define FSAMPLE_CPLD_BIT_aGPS_PWREN 5
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#define FSAMPLE_CPLD_BIT_BACKLIGHT 6
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#define FSAMPLE_CPLD_BIT_aGPS_EN_RESET 7
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#define FSAMPLE_CPLD_BIT_aGPS_SLEEPx_N 8
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#define FSAMPLE_CPLD_BIT_OTG_RESET 9
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#define fsample_cpld_set(bit) \
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fsample_cpld_write((((bit) & 15) << 4) | 0x0f, FSAMPLE_CPLD_SET_CLR)
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#define fsample_cpld_clear(bit) \
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fsample_cpld_write(0xf0 | ((bit) & 15), FSAMPLE_CPLD_SET_CLR)
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static const unsigned int fsample_keymap[] = {
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KEY(0, 0, KEY_UP),
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KEY(1, 0, KEY_RIGHT),
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KEY(2, 0, KEY_LEFT),
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KEY(3, 0, KEY_DOWN),
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KEY(4, 0, KEY_ENTER),
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KEY(0, 1, KEY_F10),
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KEY(1, 1, KEY_SEND),
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KEY(2, 1, KEY_END),
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KEY(3, 1, KEY_VOLUMEDOWN),
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KEY(4, 1, KEY_VOLUMEUP),
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KEY(5, 1, KEY_RECORD),
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KEY(0, 2, KEY_F9),
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KEY(1, 2, KEY_3),
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KEY(2, 2, KEY_6),
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KEY(3, 2, KEY_9),
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KEY(4, 2, KEY_KPDOT),
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KEY(0, 3, KEY_BACK),
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KEY(1, 3, KEY_2),
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KEY(2, 3, KEY_5),
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KEY(3, 3, KEY_8),
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KEY(4, 3, KEY_0),
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KEY(5, 3, KEY_KPSLASH),
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KEY(0, 4, KEY_HOME),
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KEY(1, 4, KEY_1),
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KEY(2, 4, KEY_4),
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KEY(3, 4, KEY_7),
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KEY(4, 4, KEY_KPASTERISK),
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KEY(5, 4, KEY_POWER),
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};
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static struct smc91x_platdata smc91x_info = {
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.flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
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.leda = RPC_LED_100_10,
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.ledb = RPC_LED_TX_RX,
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};
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static struct resource smc91x_resources[] = {
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[0] = {
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.start = H2P2_DBG_FPGA_ETHR_START, /* Physical */
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.end = H2P2_DBG_FPGA_ETHR_START + 0xf,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = INT_7XX_MPU_EXT_NIRQ,
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.end = 0,
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
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},
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};
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static void __init fsample_init_smc91x(void)
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{
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__raw_writeb(1, H2P2_DBG_FPGA_LAN_RESET);
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mdelay(50);
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__raw_writeb(__raw_readb(H2P2_DBG_FPGA_LAN_RESET) & ~1,
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H2P2_DBG_FPGA_LAN_RESET);
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mdelay(50);
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}
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static struct mtd_partition nor_partitions[] = {
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/* bootloader (U-Boot, etc) in first sector */
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{
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.name = "bootloader",
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.offset = 0,
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.size = SZ_128K,
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.mask_flags = MTD_WRITEABLE, /* force read-only */
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},
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/* bootloader params in the next sector */
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{
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.name = "params",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_128K,
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.mask_flags = 0,
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},
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/* kernel */
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{
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.name = "kernel",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_2M,
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.mask_flags = 0
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},
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/* rest of flash is a file system */
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{
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.name = "rootfs",
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.offset = MTDPART_OFS_APPEND,
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.size = MTDPART_SIZ_FULL,
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.mask_flags = 0
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},
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};
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static struct physmap_flash_data nor_data = {
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.width = 2,
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.set_vpp = omap1_set_vpp,
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.parts = nor_partitions,
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.nr_parts = ARRAY_SIZE(nor_partitions),
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};
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static struct resource nor_resource = {
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.start = OMAP_CS0_PHYS,
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.end = OMAP_CS0_PHYS + SZ_32M - 1,
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.flags = IORESOURCE_MEM,
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};
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static struct platform_device nor_device = {
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.name = "physmap-flash",
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.id = 0,
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.dev = {
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.platform_data = &nor_data,
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},
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.num_resources = 1,
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.resource = &nor_resource,
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};
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#define FSAMPLE_NAND_RB_GPIO_PIN 62
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static int nand_dev_ready(struct mtd_info *mtd)
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{
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return gpio_get_value(FSAMPLE_NAND_RB_GPIO_PIN);
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}
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static struct platform_nand_data nand_data = {
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.chip = {
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.nr_chips = 1,
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.chip_offset = 0,
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.options = NAND_SAMSUNG_LP_OPTIONS,
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},
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.ctrl = {
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.cmd_ctrl = omap1_nand_cmd_ctl,
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.dev_ready = nand_dev_ready,
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},
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};
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static struct resource nand_resource = {
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.start = OMAP_CS3_PHYS,
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.end = OMAP_CS3_PHYS + SZ_4K - 1,
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.flags = IORESOURCE_MEM,
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};
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static struct platform_device nand_device = {
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.name = "gen_nand",
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.id = 0,
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.dev = {
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.platform_data = &nand_data,
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},
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.num_resources = 1,
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.resource = &nand_resource,
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};
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static struct platform_device smc91x_device = {
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.name = "smc91x",
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.id = 0,
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.dev = {
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.platform_data = &smc91x_info,
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},
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.num_resources = ARRAY_SIZE(smc91x_resources),
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.resource = smc91x_resources,
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};
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static struct resource kp_resources[] = {
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[0] = {
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.start = INT_7XX_MPUIO_KEYPAD,
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.end = INT_7XX_MPUIO_KEYPAD,
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.flags = IORESOURCE_IRQ,
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},
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};
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static const struct matrix_keymap_data fsample_keymap_data = {
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.keymap = fsample_keymap,
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.keymap_size = ARRAY_SIZE(fsample_keymap),
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};
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static struct omap_kp_platform_data kp_data = {
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.rows = 8,
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.cols = 8,
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.keymap_data = &fsample_keymap_data,
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.delay = 4,
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};
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static struct platform_device kp_device = {
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.name = "omap-keypad",
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.id = -1,
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.dev = {
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.platform_data = &kp_data,
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},
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.num_resources = ARRAY_SIZE(kp_resources),
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.resource = kp_resources,
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};
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static struct platform_device *devices[] __initdata = {
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&nor_device,
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&nand_device,
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&smc91x_device,
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&kp_device,
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};
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static struct omap_lcd_config fsample_lcd_config = {
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.ctrl_name = "internal",
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};
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static void __init omap_fsample_init(void)
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{
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/* Early, board-dependent init */
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/*
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* Hold GSM Reset until needed
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*/
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omap_writew(omap_readw(OMAP7XX_DSP_M_CTL) & ~1, OMAP7XX_DSP_M_CTL);
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/*
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* UARTs -> done automagically by 8250 driver
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*/
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/*
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* CSx timings, GPIO Mux ... setup
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*/
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/* Flash: CS0 timings setup */
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omap_writel(0x0000fff3, OMAP7XX_FLASH_CFG_0);
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omap_writel(0x00000088, OMAP7XX_FLASH_ACFG_0);
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/*
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* Ethernet support through the debug board
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* CS1 timings setup
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*/
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omap_writel(0x0000fff3, OMAP7XX_FLASH_CFG_1);
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omap_writel(0x00000000, OMAP7XX_FLASH_ACFG_1);
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/*
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* Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
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* It is used as the Ethernet controller interrupt
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*/
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omap_writel(omap_readl(OMAP7XX_IO_CONF_9) & 0x1FFFFFFF,
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OMAP7XX_IO_CONF_9);
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fsample_init_smc91x();
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BUG_ON(gpio_request(FSAMPLE_NAND_RB_GPIO_PIN, "NAND ready") < 0);
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gpio_direction_input(FSAMPLE_NAND_RB_GPIO_PIN);
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omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
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omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
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/* Mux pins for keypad */
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omap_cfg_reg(E2_7XX_KBR0);
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omap_cfg_reg(J7_7XX_KBR1);
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omap_cfg_reg(E1_7XX_KBR2);
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omap_cfg_reg(F3_7XX_KBR3);
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omap_cfg_reg(D2_7XX_KBR4);
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omap_cfg_reg(C2_7XX_KBC0);
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omap_cfg_reg(D3_7XX_KBC1);
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omap_cfg_reg(E4_7XX_KBC2);
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omap_cfg_reg(F4_7XX_KBC3);
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omap_cfg_reg(E3_7XX_KBC4);
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platform_add_devices(devices, ARRAY_SIZE(devices));
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omap_serial_init();
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omap_register_i2c_bus(1, 100, NULL, 0);
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omapfb_set_lcd_config(&fsample_lcd_config);
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}
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/* Only FPGA needs to be mapped here. All others are done with ioremap */
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static struct map_desc omap_fsample_io_desc[] __initdata = {
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{
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.virtual = H2P2_DBG_FPGA_BASE,
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.pfn = __phys_to_pfn(H2P2_DBG_FPGA_START),
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.length = H2P2_DBG_FPGA_SIZE,
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.type = MT_DEVICE
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},
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{
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.virtual = FSAMPLE_CPLD_BASE,
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.pfn = __phys_to_pfn(FSAMPLE_CPLD_START),
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.length = FSAMPLE_CPLD_SIZE,
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.type = MT_DEVICE
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}
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};
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static void __init omap_fsample_map_io(void)
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{
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omap15xx_map_io();
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iotable_init(omap_fsample_io_desc,
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ARRAY_SIZE(omap_fsample_io_desc));
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}
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MACHINE_START(OMAP_FSAMPLE, "OMAP730 F-Sample")
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/* Maintainer: Brian Swetland <swetland@google.com> */
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.atag_offset = 0x100,
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.map_io = omap_fsample_map_io,
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.init_early = omap1_init_early,
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.init_irq = omap1_init_irq,
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.init_machine = omap_fsample_init,
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.init_late = omap1_init_late,
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.init_time = omap1_timer_init,
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.restart = omap1_restart,
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MACHINE_END
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