211 lines
4.4 KiB
C
211 lines
4.4 KiB
C
/*
|
|
* Copyright (C) 2009 Ivo Clarysse
|
|
*
|
|
* Based on imx27ads.c,
|
|
* Copyright (C) 2007 Sascha Hauer, Pengutronix
|
|
*
|
|
* 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.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <net.h>
|
|
#include <init.h>
|
|
#include <environment.h>
|
|
#include <mach/imx-regs.h>
|
|
#include <asm/armlinux.h>
|
|
#include <asm-generic/sections.h>
|
|
#include <io.h>
|
|
#include <mach/gpio.h>
|
|
#include <partition.h>
|
|
#include <fs.h>
|
|
#include <fcntl.h>
|
|
#include <generated/mach-types.h>
|
|
#include <mach/imx-nand.h>
|
|
#include <mach/imxfb.h>
|
|
#include <mach/iomux-mx21.h>
|
|
#include <mach/devices-imx21.h>
|
|
|
|
#define MX21ADS_IO_REG 0xCC800000
|
|
#define MX21ADS_IO_LCDON (1 << 9)
|
|
|
|
struct imx_nand_platform_data nand_info = {
|
|
.width = 1,
|
|
.hw_ecc = 1,
|
|
};
|
|
|
|
/* Sharp LQ035Q7DB02 QVGA display */
|
|
static struct imx_fb_videomode imx_fb_modedata = {
|
|
.mode = {
|
|
.name = "Sharp-LQ035Q7",
|
|
.refresh = 60,
|
|
.xres = 240,
|
|
.yres = 320,
|
|
.pixclock = 188679,
|
|
.left_margin = 6,
|
|
.right_margin = 16,
|
|
.upper_margin = 8,
|
|
.lower_margin = 10,
|
|
.hsync_len = 2,
|
|
.vsync_len = 1,
|
|
.sync = 0,
|
|
.vmode = FB_VMODE_NONINTERLACED,
|
|
.flag = 0,
|
|
},
|
|
.pcr = 0xfb108bc7,
|
|
.bpp = 16,
|
|
};
|
|
|
|
static struct imx_fb_platform_data imx_fb_data = {
|
|
.mode = &imx_fb_modedata,
|
|
.num_modes = 1,
|
|
.cmap_greyscale = 0,
|
|
.cmap_inverse = 0,
|
|
.cmap_static = 0,
|
|
.pwmr = 0x00a903ff,
|
|
.lscr1 = 0x00120300,
|
|
.dmacr = 0x00020008,
|
|
};
|
|
|
|
static int imx21ads_timing_init(void)
|
|
{
|
|
u32 temp;
|
|
|
|
/* Configure External Interface Module */
|
|
/* CS0: burst flash */
|
|
CS0U = 0x00003E00;
|
|
CS0L = 0x00000E01;
|
|
|
|
/* CS1: Ethernet controller, external UART, memory-mapped I/O (16-bit) */
|
|
CS1U = 0x00002000;
|
|
CS1L = 0x11118501;
|
|
|
|
/* CS2: disable (not available, since CSD0 in use) */
|
|
CS2U = 0x0;
|
|
CS2L = 0x0;
|
|
|
|
/* CS3: disable */
|
|
CS3U = 0x0;
|
|
CS3L = 0x0;
|
|
/* CS4: disable */
|
|
CS4U = 0x0;
|
|
CS4L = 0x0;
|
|
/* CS5: disable */
|
|
CS5U = 0x0;
|
|
CS5L = 0x0;
|
|
|
|
temp = PCDR0;
|
|
temp &= ~0xF000;
|
|
temp |= 0xA000; /* Set NFC divider; 0xA yields 24.18MHz */
|
|
PCDR0 = temp;
|
|
|
|
return 0;
|
|
}
|
|
|
|
core_initcall(imx21ads_timing_init);
|
|
|
|
static int mx21ads_mem_init(void)
|
|
{
|
|
arm_add_mem_device("ram0", 0xc0000000, 64 * 1024 * 1024);
|
|
|
|
return 0;
|
|
}
|
|
mem_initcall(mx21ads_mem_init);
|
|
|
|
static int mx21ads_devices_init(void)
|
|
{
|
|
int i;
|
|
unsigned int mode[] = {
|
|
PA5_PF_LSCLK,
|
|
PA6_PF_LD0,
|
|
PA7_PF_LD1,
|
|
PA8_PF_LD2,
|
|
PA9_PF_LD3,
|
|
PA10_PF_LD4,
|
|
PA11_PF_LD5,
|
|
PA12_PF_LD6,
|
|
PA13_PF_LD7,
|
|
PA14_PF_LD8,
|
|
PA15_PF_LD9,
|
|
PA16_PF_LD10,
|
|
PA17_PF_LD11,
|
|
PA18_PF_LD12,
|
|
PA19_PF_LD13,
|
|
PA20_PF_LD14,
|
|
PA21_PF_LD15,
|
|
PA22_PF_LD16,
|
|
PA23_PF_LD17,
|
|
PA24_PF_REV,
|
|
PA25_PF_CLS,
|
|
PA26_PF_PS,
|
|
PA27_PF_SPL_SPR,
|
|
PA28_PF_HSYNC,
|
|
PA29_PF_VSYNC,
|
|
PA30_PF_CONTRAST,
|
|
PA31_PF_OE_ACD,
|
|
PE12_PF_UART1_TXD,
|
|
PE13_PF_UART1_RXD,
|
|
PE14_PF_UART1_CTS,
|
|
PE15_PF_UART1_RTS,
|
|
};
|
|
|
|
/* initizalize gpios */
|
|
for (i = 0; i < ARRAY_SIZE(mode); i++)
|
|
imx_gpio_mode(mode[i]);
|
|
|
|
add_cfi_flash_device(-1, 0xC8000000, 32 * 1024 * 1024, 0);
|
|
imx21_add_nand(&nand_info);
|
|
add_generic_device("cs8900", DEVICE_ID_DYNAMIC, NULL, IMX_CS1_BASE, 0x1000,
|
|
IORESOURCE_MEM, NULL);
|
|
imx21_add_fb(&imx_fb_data);
|
|
|
|
armlinux_set_bootparams((void *)0xc0000100);
|
|
armlinux_set_architecture(MACH_TYPE_MX21ADS);
|
|
|
|
return 0;
|
|
}
|
|
|
|
device_initcall(mx21ads_devices_init);
|
|
|
|
static int mx21ads_enable_display(void)
|
|
{
|
|
u16 tmp;
|
|
|
|
tmp = readw(MX21ADS_IO_REG);
|
|
tmp |= MX21ADS_IO_LCDON;
|
|
writew(tmp, MX21ADS_IO_REG);
|
|
return 0;
|
|
}
|
|
|
|
late_initcall(mx21ads_enable_display);
|
|
|
|
static int mx21ads_console_init(void)
|
|
{
|
|
imx21_add_uart0();
|
|
return 0;
|
|
}
|
|
|
|
console_initcall(mx21ads_console_init);
|
|
|
|
#ifdef CONFIG_NAND_IMX_BOOT
|
|
void __bare_init nand_boot(void)
|
|
{
|
|
PCCR0 |= PCCR0_NFC_EN;
|
|
imx_nand_load_image((void *)TEXT_BASE, barebox_image_size);
|
|
}
|
|
#endif
|
|
|