forked from luck/tmp_suning_uos_patched
c8d2eb8e56
Add the omap2_set_globals_{242x,243x,343x}() functions. These
functions are called early upon boot in the map_io() functions in the
board-specific init files.
This patch was accidentally left out of the earlier series.
This fixes omap2 booting as noted by Kyungmin Park <kmpark@infradead.org>.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Kyungmin Park <kmpark@infradead.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
437 lines
10 KiB
C
437 lines
10 KiB
C
/*
|
|
* 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/kernel.h>
|
|
#include <linux/init.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/mtd/mtd.h>
|
|
#include <linux/mtd/partitions.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/workqueue.h>
|
|
#include <linux/input.h>
|
|
#include <linux/err.h>
|
|
#include <linux/clk.h>
|
|
|
|
#include <asm/hardware.h>
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
#include <asm/mach/flash.h>
|
|
|
|
#include <asm/arch/control.h>
|
|
#include <asm/arch/gpio.h>
|
|
#include <asm/arch/gpioexpander.h>
|
|
#include <asm/arch/mux.h>
|
|
#include <asm/arch/usb.h>
|
|
#include <asm/arch/irda.h>
|
|
#include <asm/arch/board.h>
|
|
#include <asm/arch/common.h>
|
|
#include <asm/arch/keypad.h>
|
|
#include <asm/arch/menelaus.h>
|
|
#include <asm/arch/dma.h>
|
|
#include <asm/arch/gpmc.h>
|
|
|
|
#include <asm/io.h>
|
|
|
|
#define H4_FLASH_CS 0
|
|
#define H4_SMC91X_CS 1
|
|
|
|
static unsigned int row_gpios[6] = { 88, 89, 124, 11, 6, 96 };
|
|
static unsigned int col_gpios[7] = { 90, 91, 100, 36, 12, 97, 98 };
|
|
|
|
static int h4_keymap[] = {
|
|
KEY(0, 0, KEY_LEFT),
|
|
KEY(0, 1, KEY_RIGHT),
|
|
KEY(0, 2, KEY_A),
|
|
KEY(0, 3, KEY_B),
|
|
KEY(0, 4, KEY_C),
|
|
KEY(1, 0, KEY_DOWN),
|
|
KEY(1, 1, KEY_UP),
|
|
KEY(1, 2, KEY_E),
|
|
KEY(1, 3, KEY_F),
|
|
KEY(1, 4, KEY_G),
|
|
KEY(2, 0, KEY_ENTER),
|
|
KEY(2, 1, KEY_I),
|
|
KEY(2, 2, KEY_J),
|
|
KEY(2, 3, KEY_K),
|
|
KEY(2, 4, KEY_3),
|
|
KEY(3, 0, KEY_M),
|
|
KEY(3, 1, KEY_N),
|
|
KEY(3, 2, KEY_O),
|
|
KEY(3, 3, KEY_P),
|
|
KEY(3, 4, KEY_Q),
|
|
KEY(4, 0, KEY_R),
|
|
KEY(4, 1, KEY_4),
|
|
KEY(4, 2, KEY_T),
|
|
KEY(4, 3, KEY_U),
|
|
KEY(4, 4, KEY_ENTER),
|
|
KEY(5, 0, KEY_V),
|
|
KEY(5, 1, KEY_W),
|
|
KEY(5, 2, KEY_L),
|
|
KEY(5, 3, KEY_S),
|
|
KEY(5, 4, KEY_ENTER),
|
|
0
|
|
};
|
|
|
|
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 flash_platform_data h4_flash_data = {
|
|
.map_name = "cfi_probe",
|
|
.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 = "omapflash",
|
|
.id = 0,
|
|
.dev = {
|
|
.platform_data = &h4_flash_data,
|
|
},
|
|
.num_resources = 1,
|
|
.resource = &h4_flash_resource,
|
|
};
|
|
|
|
/* Select between the IrDA and aGPS module
|
|
*/
|
|
static int h4_select_irda(struct device *dev, int state)
|
|
{
|
|
unsigned char expa;
|
|
int err = 0;
|
|
|
|
if ((err = read_gpio_expa(&expa, 0x21))) {
|
|
printk(KERN_ERR "Error reading from I/O expander\n");
|
|
return err;
|
|
}
|
|
|
|
/* 'P6' enable/disable IRDA_TX and IRDA_RX */
|
|
if (state & IR_SEL) { /* IrDa */
|
|
if ((err = write_gpio_expa(expa | 0x01, 0x21))) {
|
|
printk(KERN_ERR "Error writing to I/O expander\n");
|
|
return err;
|
|
}
|
|
} else {
|
|
if ((err = write_gpio_expa(expa & ~0x01, 0x21))) {
|
|
printk(KERN_ERR "Error writing to I/O expander\n");
|
|
return err;
|
|
}
|
|
}
|
|
return err;
|
|
}
|
|
|
|
static void set_trans_mode(struct work_struct *work)
|
|
{
|
|
struct omap_irda_config *irda_config =
|
|
container_of(work, struct omap_irda_config, gpio_expa.work);
|
|
int mode = irda_config->mode;
|
|
unsigned char expa;
|
|
int err = 0;
|
|
|
|
if ((err = read_gpio_expa(&expa, 0x20)) != 0) {
|
|
printk(KERN_ERR "Error reading from I/O expander\n");
|
|
}
|
|
|
|
expa &= ~0x01;
|
|
|
|
if (!(mode & IR_SIRMODE)) { /* MIR/FIR */
|
|
expa |= 0x01;
|
|
}
|
|
|
|
if ((err = write_gpio_expa(expa, 0x20)) != 0) {
|
|
printk(KERN_ERR "Error writing to I/O expander\n");
|
|
}
|
|
}
|
|
|
|
static int h4_transceiver_mode(struct device *dev, int mode)
|
|
{
|
|
struct omap_irda_config *irda_config = dev->platform_data;
|
|
|
|
irda_config->mode = mode;
|
|
cancel_delayed_work(&irda_config->gpio_expa);
|
|
PREPARE_DELAYED_WORK(&irda_config->gpio_expa, set_trans_mode);
|
|
schedule_delayed_work(&irda_config->gpio_expa, 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct omap_irda_config h4_irda_data = {
|
|
.transceiver_cap = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
|
|
.transceiver_mode = h4_transceiver_mode,
|
|
.select_irda = h4_select_irda,
|
|
.rx_channel = OMAP24XX_DMA_UART3_RX,
|
|
.tx_channel = OMAP24XX_DMA_UART3_TX,
|
|
.dest_start = OMAP_UART3_BASE,
|
|
.src_start = OMAP_UART3_BASE,
|
|
.tx_trigger = OMAP24XX_DMA_UART3_TX,
|
|
.rx_trigger = OMAP24XX_DMA_UART3_RX,
|
|
};
|
|
|
|
static struct resource h4_irda_resources[] = {
|
|
[0] = {
|
|
.start = INT_24XX_UART3_IRQ,
|
|
.end = INT_24XX_UART3_IRQ,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct platform_device h4_irda_device = {
|
|
.name = "omapirda",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &h4_irda_data,
|
|
},
|
|
.num_resources = 1,
|
|
.resource = h4_irda_resources,
|
|
};
|
|
|
|
static struct omap_kp_platform_data h4_kp_data = {
|
|
.rows = 6,
|
|
.cols = 7,
|
|
.keymap = h4_keymap,
|
|
.keymapsize = ARRAY_SIZE(h4_keymap),
|
|
.rep = 1,
|
|
.row_gpios = row_gpios,
|
|
.col_gpios = col_gpios,
|
|
};
|
|
|
|
static struct platform_device h4_kp_device = {
|
|
.name = "omap-keypad",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &h4_kp_data,
|
|
},
|
|
};
|
|
|
|
static struct platform_device h4_lcd_device = {
|
|
.name = "lcd_h4",
|
|
.id = -1,
|
|
};
|
|
|
|
static struct platform_device *h4_devices[] __initdata = {
|
|
&h4_flash_device,
|
|
&h4_irda_device,
|
|
&h4_kp_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_cfg_reg(M15_24XX_GPIO92);
|
|
if (debug_card_init(cs_mem_base, OMAP24XX_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 void __init omap_h4_init_irq(void)
|
|
{
|
|
omap2_init_common_hw();
|
|
omap_init_irq();
|
|
omap_gpio_init();
|
|
h4_init_flash();
|
|
}
|
|
|
|
static struct omap_uart_config h4_uart_config __initdata = {
|
|
.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
|
|
};
|
|
|
|
static struct omap_mmc_config h4_mmc_config __initdata = {
|
|
.mmc [0] = {
|
|
.enabled = 1,
|
|
.wire4 = 1,
|
|
.wp_pin = -1,
|
|
.power_pin = -1,
|
|
.switch_pin = -1,
|
|
},
|
|
};
|
|
|
|
static struct omap_lcd_config h4_lcd_config __initdata = {
|
|
.ctrl_name = "internal",
|
|
};
|
|
|
|
static struct omap_board_config_kernel h4_config[] = {
|
|
{ OMAP_TAG_UART, &h4_uart_config },
|
|
{ OMAP_TAG_MMC, &h4_mmc_config },
|
|
{ OMAP_TAG_LCD, &h4_lcd_config },
|
|
};
|
|
|
|
static void __init omap_h4_init(void)
|
|
{
|
|
/*
|
|
* 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.
|
|
*/
|
|
#if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
|
|
omap_cfg_reg(K15_24XX_UART3_TX);
|
|
omap_cfg_reg(K14_24XX_UART3_RX);
|
|
#endif
|
|
|
|
#if defined(CONFIG_KEYBOARD_OMAP) || defined(CONFIG_KEYBOARD_OMAP_MODULE)
|
|
if (omap_has_menelaus()) {
|
|
row_gpios[5] = 0;
|
|
col_gpios[2] = 15;
|
|
col_gpios[6] = 18;
|
|
}
|
|
#endif
|
|
|
|
platform_add_devices(h4_devices, ARRAY_SIZE(h4_devices));
|
|
omap_board_config = h4_config;
|
|
omap_board_config_size = ARRAY_SIZE(h4_config);
|
|
omap_serial_init();
|
|
}
|
|
|
|
static void __init omap_h4_map_io(void)
|
|
{
|
|
omap2_set_globals_242x();
|
|
omap2_map_common_io();
|
|
}
|
|
|
|
MACHINE_START(OMAP_H4, "OMAP2420 H4 board")
|
|
/* Maintainer: Paul Mundt <paul.mundt@nokia.com> */
|
|
.phys_io = 0x48000000,
|
|
.io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
|
|
.boot_params = 0x80000100,
|
|
.map_io = omap_h4_map_io,
|
|
.init_irq = omap_h4_init_irq,
|
|
.init_machine = omap_h4_init,
|
|
.timer = &omap_timer,
|
|
MACHINE_END
|