73069e388d
Fix compile by removing remaining omap specific gpio calls. Based on earlier patches by Jarkko Nikula. Also remove old GPIO key code, there is already a patch to do this with gpio_keys. Signed-off-by: Jarkko Nikula <jarkko.nikula@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
347 lines
8.3 KiB
C
347 lines
8.3 KiB
C
/*
|
|
* linux/arch/arm/mach-omap2/board-apollon.c
|
|
*
|
|
* Copyright (C) 2005,2006 Samsung Electronics
|
|
* Author: Kyungmin Park <kyungmin.park@samsung.com>
|
|
*
|
|
* Modified from mach-omap/omap2/board-h4.c
|
|
*
|
|
* Code for apollon OMAP2 board. Should work on many OMAP2 systems where
|
|
* the bootloader passes the board-specific data to the kernel.
|
|
* Do not put any board specific code to this file; create a new machine
|
|
* type if you need custom low-level initializations.
|
|
*
|
|
* 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/kernel.h>
|
|
#include <linux/init.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/mtd/mtd.h>
|
|
#include <linux/mtd/partitions.h>
|
|
#include <linux/mtd/onenand.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/leds.h>
|
|
#include <linux/err.h>
|
|
#include <linux/clk.h>
|
|
|
|
#include <mach/hardware.h>
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/flash.h>
|
|
|
|
#include <mach/gpio.h>
|
|
#include <mach/led.h>
|
|
#include <mach/mux.h>
|
|
#include <mach/usb.h>
|
|
#include <mach/board.h>
|
|
#include <mach/common.h>
|
|
#include <mach/gpmc.h>
|
|
#include <mach/control.h>
|
|
|
|
/* LED & Switch macros */
|
|
#define LED0_GPIO13 13
|
|
#define LED1_GPIO14 14
|
|
#define LED2_GPIO15 15
|
|
#define SW_ENTER_GPIO16 16
|
|
#define SW_UP_GPIO17 17
|
|
#define SW_DOWN_GPIO58 58
|
|
|
|
#define APOLLON_FLASH_CS 0
|
|
#define APOLLON_ETH_CS 1
|
|
|
|
static struct mtd_partition apollon_partitions[] = {
|
|
{
|
|
.name = "X-Loader + U-Boot",
|
|
.offset = 0,
|
|
.size = SZ_128K,
|
|
.mask_flags = MTD_WRITEABLE,
|
|
},
|
|
{
|
|
.name = "params",
|
|
.offset = MTDPART_OFS_APPEND,
|
|
.size = SZ_128K,
|
|
},
|
|
{
|
|
.name = "kernel",
|
|
.offset = MTDPART_OFS_APPEND,
|
|
.size = SZ_2M,
|
|
},
|
|
{
|
|
.name = "rootfs",
|
|
.offset = MTDPART_OFS_APPEND,
|
|
.size = SZ_16M,
|
|
},
|
|
{
|
|
.name = "filesystem00",
|
|
.offset = MTDPART_OFS_APPEND,
|
|
.size = SZ_32M,
|
|
},
|
|
{
|
|
.name = "filesystem01",
|
|
.offset = MTDPART_OFS_APPEND,
|
|
.size = MTDPART_SIZ_FULL,
|
|
},
|
|
};
|
|
|
|
static struct flash_platform_data apollon_flash_data = {
|
|
.parts = apollon_partitions,
|
|
.nr_parts = ARRAY_SIZE(apollon_partitions),
|
|
};
|
|
|
|
static struct resource apollon_flash_resource[] = {
|
|
[0] = {
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
};
|
|
|
|
static struct platform_device apollon_onenand_device = {
|
|
.name = "onenand",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &apollon_flash_data,
|
|
},
|
|
.num_resources = ARRAY_SIZE(apollon_flash_resource),
|
|
.resource = apollon_flash_resource,
|
|
};
|
|
|
|
static void __init apollon_flash_init(void)
|
|
{
|
|
unsigned long base;
|
|
|
|
if (gpmc_cs_request(APOLLON_FLASH_CS, SZ_128K, &base) < 0) {
|
|
printk(KERN_ERR "Cannot request OneNAND GPMC CS\n");
|
|
return;
|
|
}
|
|
apollon_flash_resource[0].start = base;
|
|
apollon_flash_resource[0].end = base + SZ_128K - 1;
|
|
}
|
|
|
|
static struct resource apollon_smc91x_resources[] = {
|
|
[0] = {
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.start = OMAP_GPIO_IRQ(APOLLON_ETHR_GPIO_IRQ),
|
|
.end = OMAP_GPIO_IRQ(APOLLON_ETHR_GPIO_IRQ),
|
|
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
|
|
},
|
|
};
|
|
|
|
static struct platform_device apollon_smc91x_device = {
|
|
.name = "smc91x",
|
|
.id = -1,
|
|
.num_resources = ARRAY_SIZE(apollon_smc91x_resources),
|
|
.resource = apollon_smc91x_resources,
|
|
};
|
|
|
|
static struct platform_device apollon_lcd_device = {
|
|
.name = "apollon_lcd",
|
|
.id = -1,
|
|
};
|
|
|
|
static struct omap_led_config apollon_led_config[] = {
|
|
{
|
|
.cdev = {
|
|
.name = "apollon:led0",
|
|
},
|
|
.gpio = LED0_GPIO13,
|
|
},
|
|
{
|
|
.cdev = {
|
|
.name = "apollon:led1",
|
|
},
|
|
.gpio = LED1_GPIO14,
|
|
},
|
|
{
|
|
.cdev = {
|
|
.name = "apollon:led2",
|
|
},
|
|
.gpio = LED2_GPIO15,
|
|
},
|
|
};
|
|
|
|
static struct omap_led_platform_data apollon_led_data = {
|
|
.nr_leds = ARRAY_SIZE(apollon_led_config),
|
|
.leds = apollon_led_config,
|
|
};
|
|
|
|
static struct platform_device apollon_led_device = {
|
|
.name = "omap-led",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &apollon_led_data,
|
|
},
|
|
};
|
|
|
|
static struct platform_device *apollon_devices[] __initdata = {
|
|
&apollon_onenand_device,
|
|
&apollon_smc91x_device,
|
|
&apollon_lcd_device,
|
|
&apollon_led_device,
|
|
};
|
|
|
|
static inline void __init apollon_init_smc91x(void)
|
|
{
|
|
unsigned long base;
|
|
|
|
unsigned int rate;
|
|
struct clk *gpmc_fck;
|
|
int eth_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);
|
|
|
|
eth_cs = APOLLON_ETH_CS;
|
|
|
|
/* Make sure CS1 timings are correct */
|
|
gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1, 0x00011200);
|
|
|
|
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(APOLLON_ETH_CS, SZ_16M, &base) < 0) {
|
|
printk(KERN_ERR "Failed to request GPMC CS for smc91x\n");
|
|
goto out;
|
|
}
|
|
apollon_smc91x_resources[0].start = base + 0x300;
|
|
apollon_smc91x_resources[0].end = base + 0x30f;
|
|
udelay(100);
|
|
|
|
omap_cfg_reg(W4__24XX_GPIO74);
|
|
if (gpio_request(APOLLON_ETHR_GPIO_IRQ, "SMC91x irq") < 0) {
|
|
printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
|
|
APOLLON_ETHR_GPIO_IRQ);
|
|
gpmc_cs_free(APOLLON_ETH_CS);
|
|
goto out;
|
|
}
|
|
gpio_direction_input(APOLLON_ETHR_GPIO_IRQ);
|
|
|
|
out:
|
|
clk_disable(gpmc_fck);
|
|
clk_put(gpmc_fck);
|
|
}
|
|
|
|
static void __init omap_apollon_init_irq(void)
|
|
{
|
|
omap2_init_common_hw();
|
|
omap_init_irq();
|
|
omap_gpio_init();
|
|
apollon_init_smc91x();
|
|
}
|
|
|
|
static struct omap_uart_config apollon_uart_config __initdata = {
|
|
.enabled_uarts = (1 << 0) | (0 << 1) | (0 << 2),
|
|
};
|
|
|
|
static struct omap_usb_config apollon_usb_config __initdata = {
|
|
.register_dev = 1,
|
|
.hmc_mode = 0x14, /* 0:dev 1:host1 2:disable */
|
|
|
|
.pins[0] = 6,
|
|
};
|
|
|
|
static struct omap_lcd_config apollon_lcd_config __initdata = {
|
|
.ctrl_name = "internal",
|
|
};
|
|
|
|
static struct omap_board_config_kernel apollon_config[] = {
|
|
{ OMAP_TAG_UART, &apollon_uart_config },
|
|
{ OMAP_TAG_USB, &apollon_usb_config },
|
|
{ OMAP_TAG_LCD, &apollon_lcd_config },
|
|
};
|
|
|
|
static void __init apollon_led_init(void)
|
|
{
|
|
/* LED0 - AA10 */
|
|
omap_cfg_reg(AA10_242X_GPIO13);
|
|
gpio_request(LED0_GPIO13, "LED0");
|
|
gpio_direction_output(LED0_GPIO13, 0);
|
|
/* LED1 - AA6 */
|
|
omap_cfg_reg(AA6_242X_GPIO14);
|
|
gpio_request(LED1_GPIO14, "LED1");
|
|
gpio_direction_output(LED1_GPIO14, 0);
|
|
/* LED2 - AA4 */
|
|
omap_cfg_reg(AA4_242X_GPIO15);
|
|
gpio_request(LED2_GPIO15, "LED2");
|
|
gpio_direction_output(LED2_GPIO15, 0);
|
|
}
|
|
|
|
static void __init apollon_usb_init(void)
|
|
{
|
|
/* USB device */
|
|
/* DEVICE_SUSPEND */
|
|
omap_cfg_reg(P21_242X_GPIO12);
|
|
gpio_request(12, "USB suspend");
|
|
gpio_direction_output(12, 0);
|
|
}
|
|
|
|
static void __init omap_apollon_init(void)
|
|
{
|
|
u32 v;
|
|
|
|
apollon_led_init();
|
|
apollon_flash_init();
|
|
apollon_usb_init();
|
|
|
|
/* REVISIT: where's the correct place */
|
|
omap_cfg_reg(W19_24XX_SYS_NIRQ);
|
|
|
|
/* Use Interal loop-back in MMC/SDIO Module Input Clock selection */
|
|
v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
|
|
v |= (1 << 24);
|
|
omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0);
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
platform_add_devices(apollon_devices, ARRAY_SIZE(apollon_devices));
|
|
omap_board_config = apollon_config;
|
|
omap_board_config_size = ARRAY_SIZE(apollon_config);
|
|
omap_serial_init();
|
|
}
|
|
|
|
static void __init omap_apollon_map_io(void)
|
|
{
|
|
omap2_set_globals_242x();
|
|
omap2_map_common_io();
|
|
}
|
|
|
|
MACHINE_START(OMAP_APOLLON, "OMAP24xx Apollon")
|
|
/* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */
|
|
.phys_io = 0x48000000,
|
|
.io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
|
|
.boot_params = 0x80000100,
|
|
.map_io = omap_apollon_map_io,
|
|
.init_irq = omap_apollon_init_irq,
|
|
.init_machine = omap_apollon_init,
|
|
.timer = &omap_timer,
|
|
MACHINE_END
|