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ARM: OMAP3: Add minimal Beagle board support
Add minimal Beagle board support. Based on earlier patches by Syed Mohammed Khasim with some fixes from linux-omap tree. Signed-off-by: Syed Mohammed Khasim <khasim@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Syed Mohammed, Khasim
Tony Lindgren
parent
cc26b3b01b
commit
2885f00049
@ -44,3 +44,7 @@ config MACH_OMAP_2430SDP
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bool "OMAP 2430 SDP board"
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depends on ARCH_OMAP2 && ARCH_OMAP24XX
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config MACH_OMAP3_BEAGLE
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bool "OMAP3 BEAGLE board"
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depends on ARCH_OMAP3 && ARCH_OMAP34XX
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@ -29,4 +29,5 @@ obj-$(CONFIG_MACH_OMAP_GENERIC) += board-generic.o
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obj-$(CONFIG_MACH_OMAP_H4) += board-h4.o
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obj-$(CONFIG_MACH_OMAP_2430SDP) += board-2430sdp.o
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obj-$(CONFIG_MACH_OMAP_APOLLON) += board-apollon.o
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obj-$(CONFIG_MACH_OMAP3_BEAGLE) += board-omap3beagle.o
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244
arch/arm/mach-omap2/board-omap3beagle.c
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244
arch/arm/mach-omap2/board-omap3beagle.c
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@ -0,0 +1,244 @@
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/*
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* linux/arch/arm/mach-omap2/board-omap3beagle.c
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*
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* Copyright (C) 2008 Texas Instruments
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*
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* Modified from mach-omap2/board-3430sdp.c
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*
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* Initial code: Syed Mohammed Khasim
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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/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/err.h>
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#include <linux/clk.h>
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#include <linux/io.h>
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#include <linux/leds.h>
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#include <linux/gpio.h>
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#include <linux/input.h>
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#include <linux/gpio_keys.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/nand.h>
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#include <mach/hardware.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 <asm/mach/flash.h>
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#include <mach/board.h>
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#include <mach/common.h>
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#include <mach/gpmc.h>
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#include <mach/nand.h>
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#define GPMC_CS0_BASE 0x60
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#define GPMC_CS_SIZE 0x30
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#define NAND_BLOCK_SIZE SZ_128K
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static struct mtd_partition omap3beagle_nand_partitions[] = {
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/* All the partition sizes are listed in terms of NAND block size */
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{
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.name = "X-Loader",
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.offset = 0,
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.size = 4 * NAND_BLOCK_SIZE,
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.mask_flags = MTD_WRITEABLE, /* force read-only */
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},
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{
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.name = "U-Boot",
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.offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
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.size = 15 * NAND_BLOCK_SIZE,
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.mask_flags = MTD_WRITEABLE, /* force read-only */
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},
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{
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.name = "U-Boot Env",
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.offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
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.size = 1 * NAND_BLOCK_SIZE,
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},
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{
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.name = "Kernel",
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.offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
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.size = 32 * NAND_BLOCK_SIZE,
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},
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{
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.name = "File System",
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.offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
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.size = MTDPART_SIZ_FULL,
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},
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};
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static struct omap_nand_platform_data omap3beagle_nand_data = {
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.options = NAND_BUSWIDTH_16,
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.parts = omap3beagle_nand_partitions,
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.nr_parts = ARRAY_SIZE(omap3beagle_nand_partitions),
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.dma_channel = -1, /* disable DMA in OMAP NAND driver */
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.nand_setup = NULL,
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.dev_ready = NULL,
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};
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static struct resource omap3beagle_nand_resource = {
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.flags = IORESOURCE_MEM,
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};
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static struct platform_device omap3beagle_nand_device = {
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.name = "omap2-nand",
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.id = -1,
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.dev = {
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.platform_data = &omap3beagle_nand_data,
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},
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.num_resources = 1,
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.resource = &omap3beagle_nand_resource,
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};
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static struct omap_uart_config omap3_beagle_uart_config __initdata = {
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.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
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};
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static void __init omap3_beagle_init_irq(void)
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{
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omap2_init_common_hw();
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omap_init_irq();
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omap_gpio_init();
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}
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static struct platform_device omap3_beagle_lcd_device = {
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.name = "omap3beagle_lcd",
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.id = -1,
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};
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static struct omap_lcd_config omap3_beagle_lcd_config __initdata = {
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.ctrl_name = "internal",
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};
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static struct gpio_led gpio_leds[] = {
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{
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.name = "beagleboard::usr0",
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.default_trigger = "heartbeat",
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.gpio = 150,
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},
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{
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.name = "beagleboard::usr1",
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.default_trigger = "mmc0",
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.gpio = 149,
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},
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};
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static struct gpio_led_platform_data gpio_led_info = {
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.leds = gpio_leds,
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.num_leds = ARRAY_SIZE(gpio_leds),
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};
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static struct platform_device leds_gpio = {
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.name = "leds-gpio",
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.id = -1,
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.dev = {
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.platform_data = &gpio_led_info,
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},
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};
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static struct gpio_keys_button gpio_buttons[] = {
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{
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.code = BTN_EXTRA,
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.gpio = 7,
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.desc = "user",
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.wakeup = 1,
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},
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};
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static struct gpio_keys_platform_data gpio_key_info = {
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.buttons = gpio_buttons,
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.nbuttons = ARRAY_SIZE(gpio_buttons),
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};
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static struct platform_device keys_gpio = {
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.name = "gpio-keys",
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.id = -1,
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.dev = {
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.platform_data = &gpio_key_info,
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},
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};
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static struct omap_board_config_kernel omap3_beagle_config[] __initdata = {
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{ OMAP_TAG_UART, &omap3_beagle_uart_config },
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{ OMAP_TAG_LCD, &omap3_beagle_lcd_config },
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};
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static struct platform_device *omap3_beagle_devices[] __initdata = {
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&omap3_beagle_lcd_device,
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&leds_gpio,
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&keys_gpio,
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};
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static void __init omap3beagle_flash_init(void)
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{
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u8 cs = 0;
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u8 nandcs = GPMC_CS_NUM + 1;
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u32 gpmc_base_add = OMAP34XX_GPMC_VIRT;
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/* find out the chip-select on which NAND exists */
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while (cs < GPMC_CS_NUM) {
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u32 ret = 0;
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ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
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if ((ret & 0xC00) == 0x800) {
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printk(KERN_INFO "Found NAND on CS%d\n", cs);
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if (nandcs > GPMC_CS_NUM)
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nandcs = cs;
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}
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cs++;
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}
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if (nandcs > GPMC_CS_NUM) {
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printk(KERN_INFO "NAND: Unable to find configuration "
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"in GPMC\n ");
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return;
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}
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if (nandcs < GPMC_CS_NUM) {
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omap3beagle_nand_data.cs = nandcs;
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omap3beagle_nand_data.gpmc_cs_baseaddr = (void *)
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(gpmc_base_add + GPMC_CS0_BASE + nandcs * GPMC_CS_SIZE);
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omap3beagle_nand_data.gpmc_baseaddr = (void *) (gpmc_base_add);
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printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
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if (platform_device_register(&omap3beagle_nand_device) < 0)
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printk(KERN_ERR "Unable to register NAND device\n");
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}
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}
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static void __init omap3_beagle_init(void)
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{
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platform_add_devices(omap3_beagle_devices,
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ARRAY_SIZE(omap3_beagle_devices));
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omap_board_config = omap3_beagle_config;
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omap_board_config_size = ARRAY_SIZE(omap3_beagle_config);
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omap_serial_init();
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omap3beagle_flash_init();
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}
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static void __init omap3_beagle_map_io(void)
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{
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omap2_set_globals_343x();
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omap2_map_common_io();
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}
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MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
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/* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
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.phys_io = 0x48000000,
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.io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
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.boot_params = 0x80000100,
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.map_io = omap3_beagle_map_io,
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.init_irq = omap3_beagle_init_irq,
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.init_machine = omap3_beagle_init,
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.timer = &omap_timer,
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MACHINE_END
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@ -428,7 +428,7 @@ config CPU_32v6K
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# ARMv7
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config CPU_V7
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bool "Support ARM V7 processor"
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depends on ARCH_INTEGRATOR || MACH_REALVIEW_EB
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depends on ARCH_INTEGRATOR || MACH_REALVIEW_EB || ARCH_OMAP3
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select CPU_32v6K
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select CPU_32v7
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select CPU_ABRT_EV7
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33
arch/arm/plat-omap/include/mach/board-omap3beagle.h
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33
arch/arm/plat-omap/include/mach/board-omap3beagle.h
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@ -0,0 +1,33 @@
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/*
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* arch/arm/plat-omap/include/mach/board-omap3beagle.h
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*
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* Hardware definitions for TI OMAP3 BEAGLE.
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*
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* Initial creation by Syed Mohammed Khasim <khasim@ti.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
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* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __ASM_ARCH_OMAP3_BEAGLE_H
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#define __ASM_ARCH_OMAP3_BEAGLE_H
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#endif /* __ASM_ARCH_OMAP3_BEAGLE_H */
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@ -322,6 +322,10 @@
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#include "board-2430sdp.h"
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#endif
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#ifdef CONFIG_MACH_OMAP3_BEAGLE
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#include "board-omap3beagle.h"
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#endif
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#ifdef CONFIG_MACH_OMAP_APOLLON
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#include "board-apollon.h"
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#endif
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