187 lines
4.0 KiB
C
187 lines
4.0 KiB
C
/*
|
|
* (C) 2009 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
|
|
* 2010 by Marc Kleine-Budde <kernel@pengutronix.de>
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
*
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <driver.h>
|
|
#include <environment.h>
|
|
#include <fs.h>
|
|
#include <init.h>
|
|
#include <partition.h>
|
|
#include <sizes.h>
|
|
|
|
#include <plat/gpio.h>
|
|
#include <mach/mfp-pxa27x.h>
|
|
#include <mach/pxa-regs.h>
|
|
#include <mach/pxafb.h>
|
|
#include <mach/devices.h>
|
|
|
|
#include <asm/armlinux.h>
|
|
#include <asm/io.h>
|
|
#include <generated/mach-types.h>
|
|
#include <asm/mmu.h>
|
|
|
|
#define PCM990_CTRL_PHYS (void *)PXA_CS1_PHYS
|
|
|
|
#define PCM990_CTRL_REG3 0x0006 /* LCD CTRL REGISTER 3 */
|
|
#define PCM990_CTRL_LCDPWR 0x0001 /* RW LCD Power on */
|
|
#define PCM990_CTRL_LCDON 0x0002 /* RW LCD Latch on */
|
|
#define PCM990_CTRL_LCDPOS1 0x0004 /* RW POS 1 */
|
|
#define PCM990_CTRL_LCDPOS2 0x0008 /* RW POS 2 */
|
|
|
|
static void lcd_power(int on)
|
|
{
|
|
void __iomem *ctrl3 = PCM990_CTRL_PHYS + PCM990_CTRL_REG3;
|
|
|
|
if (on)
|
|
writeb(PCM990_CTRL_LCDPWR | PCM990_CTRL_LCDON, ctrl3);
|
|
else
|
|
writeb(0x0, ctrl3);
|
|
}
|
|
|
|
static void backlight_power(int on)
|
|
{
|
|
if (on) {
|
|
mdelay(20);
|
|
gpio_set_value(16, 1);
|
|
} else {
|
|
gpio_set_value(16, 0);
|
|
}
|
|
}
|
|
|
|
static struct pxafb_videomode pxafb_mode = {
|
|
.mode = {
|
|
.pixclock = 28000,
|
|
.xres = 640,
|
|
.yres = 480,
|
|
.hsync_len = 20,
|
|
.left_margin = 103,
|
|
.right_margin = 47,
|
|
.vsync_len = 6,
|
|
.upper_margin = 28,
|
|
.lower_margin = 5,
|
|
.sync = 0,
|
|
},
|
|
.bpp = 16,
|
|
};
|
|
|
|
static struct pxafb_platform_data fb_pdata = {
|
|
.mode = &pxafb_mode,
|
|
.lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
|
|
.lcd_power = lcd_power,
|
|
.backlight_power = backlight_power,
|
|
};
|
|
|
|
static int pcm027_mem_init(void)
|
|
{
|
|
arm_add_mem_device("ram0", 0xa0000000, SZ_64M);
|
|
|
|
return 0;
|
|
}
|
|
mem_initcall(pcm027_mem_init);
|
|
|
|
static unsigned long pin_config[] = {
|
|
/* Chip Selects */
|
|
GPIO20_nSDCS_2,
|
|
GPIO21_nSDCS_3,
|
|
GPIO15_nCS_1,
|
|
GPIO78_nCS_2,
|
|
GPIO80_nCS_4,
|
|
|
|
/* Variable Latency I/O Ready Pin */
|
|
GPIO18_RDY,
|
|
|
|
/* FFUART */
|
|
GPIO85_nPCE_1, /* enables RX */
|
|
GPIO34_FFUART_RXD,
|
|
GPIO35_FFUART_CTS,
|
|
GPIO36_FFUART_DCD,
|
|
GPIO37_FFUART_DSR,
|
|
GPIO38_FFUART_RI,
|
|
GPIO39_FFUART_TXD,
|
|
GPIO40_FFUART_DTR,
|
|
GPIO41_FFUART_RTS,
|
|
|
|
/* LCD */
|
|
GPIO58_LCD_LDD_0,
|
|
GPIO59_LCD_LDD_1,
|
|
GPIO60_LCD_LDD_2,
|
|
GPIO61_LCD_LDD_3,
|
|
GPIO62_LCD_LDD_4,
|
|
GPIO63_LCD_LDD_5,
|
|
GPIO64_LCD_LDD_6,
|
|
GPIO65_LCD_LDD_7,
|
|
GPIO66_LCD_LDD_8,
|
|
GPIO67_LCD_LDD_9,
|
|
GPIO68_LCD_LDD_10,
|
|
GPIO69_LCD_LDD_11,
|
|
GPIO70_LCD_LDD_12,
|
|
GPIO71_LCD_LDD_13,
|
|
GPIO72_LCD_LDD_14,
|
|
GPIO73_LCD_LDD_15,
|
|
GPIO74_LCD_FCLK,
|
|
GPIO75_LCD_LCLK,
|
|
GPIO76_LCD_PCLK,
|
|
GPIO77_LCD_BIAS,
|
|
MFP_CFG_OUT(GPIO16, AF0, DRIVE_LOW), /* backlight */
|
|
|
|
/* NIC */
|
|
GPIO33_nCS_5,
|
|
GPIO49_nPWE,
|
|
};
|
|
|
|
static int pcm027_devices_init(void)
|
|
{
|
|
void *cfi_iospace;
|
|
|
|
add_generic_device("smc91c111", DEVICE_ID_DYNAMIC, NULL, 0x14000300, 16,
|
|
IORESOURCE_MEM, NULL);
|
|
|
|
cfi_iospace = map_io_sections(0x0, (void *)0xe0000000, SZ_32M);
|
|
add_cfi_flash_device(DEVICE_ID_DYNAMIC, (unsigned long)cfi_iospace, SZ_32M, 0);
|
|
|
|
pxa_add_fb((void *)0x44000000, &fb_pdata);
|
|
|
|
armlinux_set_bootparams((void *)0xa0000100);
|
|
armlinux_set_architecture(MACH_TYPE_PCM027);
|
|
|
|
devfs_add_partition("nor0", 0x00000, SZ_512K, DEVFS_PARTITION_FIXED, "self0");
|
|
devfs_add_partition("nor0", SZ_512K, SZ_256K, DEVFS_PARTITION_FIXED, "env0");
|
|
protect_file("/dev/env0", 1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
device_initcall(pcm027_devices_init);
|
|
|
|
static int pcm027_console_init(void)
|
|
{
|
|
/* route pins */
|
|
pxa2xx_mfp_config(ARRAY_AND_SIZE(pin_config));
|
|
|
|
/* enable clock */
|
|
CKEN |= CKEN_FFUART;
|
|
|
|
pxa_add_uart((void *)0x40100000, 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
console_initcall(pcm027_console_init);
|