463 lines
11 KiB
C
463 lines
11 KiB
C
/*
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* linux/arch/arm/mach-omap1/board-innovator.c
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*
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* Board specific inits for OMAP-1510 and OMAP-1610 Innovator
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*
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* Copyright (C) 2001 RidgeRun, Inc.
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* Author: Greg Lonnon <glonnon@ridgerun.com>
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*
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* Copyright (C) 2002 MontaVista Software, Inc.
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*
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* Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6
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* Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.com>
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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/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/mux.h>
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#include <mach/flash.h>
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#include <mach/tc.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 <mach/usb.h>
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#include "iomap.h"
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#include "common.h"
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#include "mmc.h"
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/* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */
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#define INNOVATOR1610_ETHR_START 0x04000300
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static const unsigned int innovator_keymap[] = {
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KEY(0, 0, KEY_F1),
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KEY(3, 0, KEY_DOWN),
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KEY(1, 1, KEY_F2),
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KEY(2, 1, KEY_RIGHT),
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KEY(0, 2, KEY_F3),
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KEY(1, 2, KEY_F4),
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KEY(2, 2, KEY_UP),
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KEY(2, 3, KEY_ENTER),
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KEY(3, 3, KEY_LEFT),
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};
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static struct mtd_partition innovator_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 flash1 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 = SZ_16M - SZ_2M - 2 * SZ_128K,
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.mask_flags = 0
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},
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/* file system */
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{
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.name = "filesystem",
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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 innovator_flash_data = {
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.width = 2,
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.set_vpp = omap1_set_vpp,
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.parts = innovator_partitions,
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.nr_parts = ARRAY_SIZE(innovator_partitions),
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};
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static struct resource innovator_flash_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 innovator_flash_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 = &innovator_flash_data,
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},
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.num_resources = 1,
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.resource = &innovator_flash_resource,
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};
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static struct resource innovator_kp_resources[] = {
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[0] = {
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.start = INT_KEYBOARD,
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.end = INT_KEYBOARD,
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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 innovator_keymap_data = {
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.keymap = innovator_keymap,
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.keymap_size = ARRAY_SIZE(innovator_keymap),
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};
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static struct omap_kp_platform_data innovator_kp_data = {
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.rows = 8,
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.cols = 8,
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.keymap_data = &innovator_keymap_data,
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.delay = 4,
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};
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static struct platform_device innovator_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 = &innovator_kp_data,
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},
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.num_resources = ARRAY_SIZE(innovator_kp_resources),
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.resource = innovator_kp_resources,
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};
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static struct smc91x_platdata innovator_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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#ifdef CONFIG_ARCH_OMAP15XX
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#include <linux/spi/spi.h>
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#include <linux/spi/ads7846.h>
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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 innovator1510_io_desc[] __initdata = {
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{
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.virtual = OMAP1510_FPGA_BASE,
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.pfn = __phys_to_pfn(OMAP1510_FPGA_START),
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.length = OMAP1510_FPGA_SIZE,
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.type = MT_DEVICE
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}
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};
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static struct resource innovator1510_smc91x_resources[] = {
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[0] = {
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.start = OMAP1510_FPGA_ETHR_START, /* Physical */
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.end = OMAP1510_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 = OMAP1510_INT_ETHER,
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.end = OMAP1510_INT_ETHER,
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
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},
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};
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static struct platform_device innovator1510_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 = &innovator_smc91x_info,
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},
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.num_resources = ARRAY_SIZE(innovator1510_smc91x_resources),
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.resource = innovator1510_smc91x_resources,
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};
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static struct platform_device innovator1510_lcd_device = {
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.name = "lcd_inn1510",
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.id = -1,
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};
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static struct platform_device innovator1510_spi_device = {
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.name = "spi_inn1510",
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.id = -1,
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};
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static struct platform_device *innovator1510_devices[] __initdata = {
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&innovator_flash_device,
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&innovator1510_smc91x_device,
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&innovator_kp_device,
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&innovator1510_lcd_device,
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&innovator1510_spi_device,
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};
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static int innovator_get_pendown_state(void)
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{
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return !(__raw_readb(OMAP1510_FPGA_TOUCHSCREEN) & (1 << 5));
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}
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static const struct ads7846_platform_data innovator1510_ts_info = {
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.model = 7846,
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.vref_delay_usecs = 100, /* internal, no capacitor */
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.x_plate_ohms = 419,
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.y_plate_ohms = 486,
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.get_pendown_state = innovator_get_pendown_state,
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};
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static struct spi_board_info __initdata innovator1510_boardinfo[] = { {
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/* FPGA (bus "10") CS0 has an ads7846e */
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.modalias = "ads7846",
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.platform_data = &innovator1510_ts_info,
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.irq = OMAP1510_INT_FPGA_TS,
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.max_speed_hz = 120000 /* max sample rate at 3V */
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* 26 /* command + data + overhead */,
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.bus_num = 10,
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.chip_select = 0,
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} };
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#endif /* CONFIG_ARCH_OMAP15XX */
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#ifdef CONFIG_ARCH_OMAP16XX
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static struct resource innovator1610_smc91x_resources[] = {
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[0] = {
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.start = INNOVATOR1610_ETHR_START, /* Physical */
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.end = INNOVATOR1610_ETHR_START + 0xf,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
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},
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};
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static struct platform_device innovator1610_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 = &innovator_smc91x_info,
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},
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.num_resources = ARRAY_SIZE(innovator1610_smc91x_resources),
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.resource = innovator1610_smc91x_resources,
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};
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static struct platform_device innovator1610_lcd_device = {
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.name = "inn1610_lcd",
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.id = -1,
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};
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static struct platform_device *innovator1610_devices[] __initdata = {
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&innovator_flash_device,
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&innovator1610_smc91x_device,
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&innovator_kp_device,
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&innovator1610_lcd_device,
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};
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#endif /* CONFIG_ARCH_OMAP16XX */
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static void __init innovator_init_smc91x(void)
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{
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if (cpu_is_omap1510()) {
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__raw_writeb(__raw_readb(OMAP1510_FPGA_RST) & ~1,
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OMAP1510_FPGA_RST);
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udelay(750);
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} else {
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if (gpio_request(0, "SMC91x irq") < 0) {
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printk("Error requesting gpio 0 for smc91x irq\n");
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return;
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}
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}
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}
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#ifdef CONFIG_ARCH_OMAP15XX
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static struct omap_usb_config innovator1510_usb_config __initdata = {
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/* for bundled non-standard host and peripheral cables */
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.hmc_mode = 4,
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.register_host = 1,
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.pins[1] = 6,
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.pins[2] = 6, /* Conflicts with UART2 */
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.register_dev = 1,
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.pins[0] = 2,
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};
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static struct omap_lcd_config innovator1510_lcd_config __initdata = {
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.ctrl_name = "internal",
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};
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#endif
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#ifdef CONFIG_ARCH_OMAP16XX
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static struct omap_usb_config h2_usb_config __initdata = {
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/* usb1 has a Mini-AB port and external isp1301 transceiver */
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.otg = 2,
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#if IS_ENABLED(CONFIG_USB_OMAP)
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.hmc_mode = 19, /* 0:host(off) 1:dev|otg 2:disabled */
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/* .hmc_mode = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
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#elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
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/* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
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.hmc_mode = 20, /* 1:dev|otg(off) 1:host 2:disabled */
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#endif
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.pins[1] = 3,
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};
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static struct omap_lcd_config innovator1610_lcd_config __initdata = {
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.ctrl_name = "internal",
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};
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#endif
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#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
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static int mmc_set_power(struct device *dev, int slot, int power_on,
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int vdd)
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{
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if (power_on)
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__raw_writeb(__raw_readb(OMAP1510_FPGA_POWER) | (1 << 3),
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OMAP1510_FPGA_POWER);
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else
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__raw_writeb(__raw_readb(OMAP1510_FPGA_POWER) & ~(1 << 3),
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OMAP1510_FPGA_POWER);
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return 0;
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}
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/*
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* Innovator could use the following functions tested:
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* - mmc_get_wp that uses OMAP_MPUIO(3)
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* - mmc_get_cover_state that uses FPGA F4 UIO43
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*/
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static struct omap_mmc_platform_data mmc1_data = {
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.nr_slots = 1,
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.slots[0] = {
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.set_power = mmc_set_power,
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.wires = 4,
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.name = "mmcblk",
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},
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};
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static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
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static void __init innovator_mmc_init(void)
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{
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mmc_data[0] = &mmc1_data;
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omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);
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}
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#else
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static inline void innovator_mmc_init(void)
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{
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}
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#endif
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static void __init innovator_init(void)
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{
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if (cpu_is_omap1510())
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omap1510_fpga_init_irq();
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innovator_init_smc91x();
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#ifdef CONFIG_ARCH_OMAP15XX
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if (cpu_is_omap1510()) {
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unsigned char reg;
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/* mux pins for uarts */
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omap_cfg_reg(UART1_TX);
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omap_cfg_reg(UART1_RTS);
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omap_cfg_reg(UART2_TX);
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omap_cfg_reg(UART2_RTS);
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omap_cfg_reg(UART3_TX);
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omap_cfg_reg(UART3_RX);
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reg = __raw_readb(OMAP1510_FPGA_POWER);
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reg |= OMAP1510_FPGA_PCR_COM1_EN;
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__raw_writeb(reg, OMAP1510_FPGA_POWER);
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udelay(10);
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reg = __raw_readb(OMAP1510_FPGA_POWER);
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reg |= OMAP1510_FPGA_PCR_COM2_EN;
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__raw_writeb(reg, OMAP1510_FPGA_POWER);
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udelay(10);
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platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
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spi_register_board_info(innovator1510_boardinfo,
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ARRAY_SIZE(innovator1510_boardinfo));
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}
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#endif
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#ifdef CONFIG_ARCH_OMAP16XX
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if (!cpu_is_omap1510()) {
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innovator1610_smc91x_resources[1].start = gpio_to_irq(0);
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innovator1610_smc91x_resources[1].end = gpio_to_irq(0);
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platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
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}
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#endif
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#ifdef CONFIG_ARCH_OMAP15XX
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if (cpu_is_omap1510()) {
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omap1_usb_init(&innovator1510_usb_config);
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omapfb_set_lcd_config(&innovator1510_lcd_config);
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}
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#endif
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#ifdef CONFIG_ARCH_OMAP16XX
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if (cpu_is_omap1610()) {
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omap1_usb_init(&h2_usb_config);
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omapfb_set_lcd_config(&innovator1610_lcd_config);
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}
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#endif
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omap_serial_init();
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omap_register_i2c_bus(1, 100, NULL, 0);
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innovator_mmc_init();
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}
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/*
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* REVISIT: Assume 15xx for now, we don't want to do revision check
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* until later on. The right way to fix this is to set up a different
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* machine_id for 16xx Innovator, or use device tree.
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*/
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static void __init innovator_map_io(void)
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{
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#ifdef CONFIG_ARCH_OMAP15XX
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omap15xx_map_io();
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iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc));
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udelay(10); /* Delay needed for FPGA */
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/* Dump the Innovator FPGA rev early - useful info for support. */
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pr_debug("Innovator FPGA Rev %d.%d Board Rev %d\n",
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__raw_readb(OMAP1510_FPGA_REV_HIGH),
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__raw_readb(OMAP1510_FPGA_REV_LOW),
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__raw_readb(OMAP1510_FPGA_BOARD_REV));
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#endif
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}
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MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
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/* Maintainer: MontaVista Software, Inc. */
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.atag_offset = 0x100,
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.map_io = innovator_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 = innovator_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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