u-boot/board/esd/apc405/apc405.c

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/*
* (C) Copyright 2005-2008
* Matthias Fuchs, esd gmbh germany, matthias.fuchs@esd-electronics.com
*
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* (C) Copyright 2001-2003
* Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
*
* 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.
*
* 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 <asm/processor.h>
#include <asm/io.h>
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#include <command.h>
#include <malloc.h>
#include <flash.h>
#include <mtd/cfi_flash.h>
#include <asm/4xx_pci.h>
#include <pci.h>
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DECLARE_GLOBAL_DATA_PTR;
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#undef FPGA_DEBUG
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extern void lxt971_no_sleep(void);
/* fpga configuration data - gzip compressed and generated by bin2c */
const unsigned char fpgadata[] =
{
#include "fpgadata.c"
};
/*
* include common fpga code (for esd boards)
*/
#include "../common/fpga.c"
#ifdef CONFIG_LCD_USED
/* logo bitmap data - gzip compressed and generated by bin2c */
unsigned char logo_bmp[] =
{
#include "logo_640_480_24bpp.c"
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};
/*
* include common lcd code (for esd boards)
*/
#include "../common/lcd.c"
#include "../common/s1d13505_640_480_16bpp.h"
#include "../common/s1d13806_640_480_16bpp.h"
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#endif /* CONFIG_LCD_USED */
/*
* include common auto-update code (for esd boards)
*/
#include "../common/auto_update.h"
au_image_t au_image[] = {
{"preinst.img", 0, -1, AU_SCRIPT},
{"u-boot.img", 0xfff80000, 0x00080000, AU_FIRMWARE | AU_PROTECT},
{"pImage", 0xfe000000, 0x00100000, AU_NOR | AU_PROTECT},
{"pImage.initrd", 0xfe100000, 0x00400000, AU_NOR | AU_PROTECT},
{"work.img", 0xfe500000, 0x01400000, AU_NOR},
{"data.img", 0xff900000, 0x00580000, AU_NOR},
{"logo.img", 0xffe80000, 0x00100000, AU_NOR | AU_PROTECT},
{"postinst.img", 0, 0, AU_SCRIPT},
};
int N_AU_IMAGES = (sizeof(au_image) / sizeof(au_image[0]));
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int board_revision(void)
{
unsigned long CPC0_CR0Reg;
unsigned long value;
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/*
* Get version of APC405 board from GPIO's
*/
/* Setup GPIO pins (CS2/GPIO11, CS3/GPIO12 and CS4/GPIO13 as GPIO) */
CPC0_CR0Reg = mfdcr(CPC0_CR0);
mtdcr(CPC0_CR0, CPC0_CR0Reg | 0x03800000);
out_be32((void*)GPIO0_ODR, in_be32((void*)GPIO0_ODR) & ~0x001c0000);
out_be32((void*)GPIO0_TCR, in_be32((void*)GPIO0_TCR) & ~0x001c0000);
/* wait some time before reading input */
udelay(1000);
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/* get config bits */
value = in_be32((void*)GPIO0_IR) & 0x001c0000;
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/*
* Restore GPIO settings
*/
mtdcr(CPC0_CR0, CPC0_CR0Reg);
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switch (value) {
case 0x001c0000:
/* CS2==1 && CS3==1 && CS4==1 -> version <= 1.2 */
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return 2;
case 0x000c0000:
/* CS2==0 && CS3==1 && CS4==1 -> version 1.3 */
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return 3;
case 0x00180000:
/* CS2==1 && CS3==1 && CS4==0 -> version 1.6 */
return 6;
case 0x00140000:
/* CS2==1 && CS3==0 && CS4==1 -> version 1.8 */
return 8;
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default:
/* should not be reached! */
return 0;
}
}
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int board_early_init_f (void)
{
/*
* First pull fpga-prg pin low, to disable fpga logic
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*/
out_be32((void*)GPIO0_ODR, 0x00000000); /* no open drain pins */
out_be32((void*)GPIO0_TCR, CONFIG_SYS_FPGA_PRG); /* setup for output */
out_be32((void*)GPIO0_OR, 0); /* pull prg low */
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/*
* IRQ 0-15 405GP internally generated; active high; level sensitive
* IRQ 16 405GP internally generated; active low; level sensitive
* IRQ 17-24 RESERVED
* IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive
* IRQ 26 (EXT IRQ 1) SER0 ; active low; level sensitive
* IRQ 27 (EXT IRQ 2) SER1; active low; level sensitive
* IRQ 28 (EXT IRQ 3) FPGA 0; active low; level sensitive
* IRQ 29 (EXT IRQ 4) FPGA 1; active low; level sensitive
* IRQ 30 (EXT IRQ 5) PCI INTA; active low; level sensitive
* IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive
*/
mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */
mtdcr(UIC0ER, 0x00000000); /* disable all ints */
mtdcr(UIC0CR, 0x00000000); /* set all to be non-critical*/
mtdcr(UIC0PR, 0xFFFFFF81); /* set int polarities */
mtdcr(UIC0TR, 0x10000000); /* set int trigger levels */
mtdcr(UIC0VCR, 0x00000001); /* set vect base=0 */
mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */
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/*
* EBC Configuration Register: set ready timeout to 512 ebc-clks
*/
mtebc(EBC0_CFG, 0xa8400000); /* ebc always driven */
/*
* New boards have a single 32MB flash connected to CS0
* instead of two 16MB flashes on CS0+1.
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*/
if (board_revision() >= 8) {
/* disable CS1 */
mtebc(PB1AP, 0);
mtebc(PB1CR, 0);
/* resize CS0 to 32MB */
mtebc(PB0AP, CONFIG_SYS_EBC_PB0AP_HWREV8);
mtebc(PB0CR, CONFIG_SYS_EBC_PB0CR_HWREV8);
}
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return 0;
}
int board_early_init_r(void)
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{
if (gd->board_type >= 8)
cfi_flash_num_flash_banks = 1;
return 0;
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}
#define FUJI_BASE 0xf0100200
#define LCDBL_PWM 0xa0
#define LCDBL_PWMMIN 0xa4
#define LCDBL_PWMMAX 0xa8
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int misc_init_r(void)
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{
u16 *fpga_mode = (u16 *)(CONFIG_SYS_FPGA_BASE_ADDR + CONFIG_SYS_FPGA_CTRL);
u16 *fpga_ctrl2 =(u16 *)(CONFIG_SYS_FPGA_BASE_ADDR + CONFIG_SYS_FPGA_CTRL2);
u8 *duart0_mcr = (u8 *)(DUART0_BA + 4);
u8 *duart1_mcr = (u8 *)(DUART1_BA + 4);
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unsigned char *dst;
ulong len = sizeof(fpgadata);
int status;
int index;
int i;
unsigned long CPC0_CR0Reg;
char *str;
uchar *logo_addr;
ulong logo_size;
ushort minb, maxb;
int result;
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/*
* Setup GPIO pins (CS6+CS7 as GPIO)
*/
CPC0_CR0Reg = mfdcr(CPC0_CR0);
mtdcr(CPC0_CR0, CPC0_CR0Reg | 0x00300000);
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dst = malloc(CONFIG_SYS_FPGA_MAX_SIZE);
if (gunzip(dst, CONFIG_SYS_FPGA_MAX_SIZE, (uchar *)fpgadata, &len) != 0) {
printf("GUNZIP ERROR - must RESET board to recover\n");
do_reset(NULL, 0, 0, NULL);
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}
status = fpga_boot(dst, len);
if (status != 0) {
printf("\nFPGA: Booting failed ");
switch (status) {
case ERROR_FPGA_PRG_INIT_LOW:
printf("(Timeout: "
"INIT not low after asserting PROGRAM*)\n ");
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break;
case ERROR_FPGA_PRG_INIT_HIGH:
printf("(Timeout: "
"INIT not high after deasserting PROGRAM*)\n ");
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break;
case ERROR_FPGA_PRG_DONE:
printf("(Timeout: "
"DONE not high after programming FPGA)\n ");
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break;
}
/* display infos on fpgaimage */
index = 15;
for (i = 0; i < 4; i++) {
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len = dst[index];
printf("FPGA: %s\n", &(dst[index+1]));
index += len + 3;
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}
putc('\n');
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/* delayed reboot */
for (i = 20; i > 0; i--) {
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printf("Rebooting in %2d seconds \r",i);
for (index = 0; index < 1000; index++)
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udelay(1000);
}
putc('\n');
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do_reset(NULL, 0, 0, NULL);
}
/* restore gpio/cs settings */
mtdcr(CPC0_CR0, CPC0_CR0Reg);
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puts("FPGA: ");
/* display infos on fpgaimage */
index = 15;
for (i = 0; i < 4; i++) {
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len = dst[index];
printf("%s ", &(dst[index + 1]));
index += len + 3;
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}
putc('\n');
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free(dst);
/*
* Reset FPGA via FPGA_DATA pin
*/
SET_FPGA(FPGA_PRG | FPGA_CLK);
udelay(1000); /* wait 1ms */
SET_FPGA(FPGA_PRG | FPGA_CLK | FPGA_DATA);
udelay(1000); /* wait 1ms */
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/*
* Write board revision in FPGA
*/
out_be16(fpga_ctrl2,
(in_be16(fpga_ctrl2) & 0xfff0) | (gd->board_type & 0x000f));
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/*
* Enable power on PS/2 interface (with reset)
*/
out_be16(fpga_mode, in_be16(fpga_mode) | CONFIG_SYS_FPGA_CTRL_PS2_RESET);
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for (i=0;i<100;i++)
udelay(1000);
udelay(1000);
out_be16(fpga_mode, in_be16(fpga_mode) & ~CONFIG_SYS_FPGA_CTRL_PS2_RESET);
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/*
* Enable interrupts in exar duart mcr[3]
*/
out_8(duart0_mcr, 0x08);
out_8(duart1_mcr, 0x08);
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/*
* Init lcd interface and display logo
*/
str = getenv("splashimage");
if (str) {
logo_addr = (uchar *)simple_strtoul(str, NULL, 16);
logo_size = CONFIG_SYS_VIDEO_LOGO_MAX_SIZE;
} else {
logo_addr = logo_bmp;
logo_size = sizeof(logo_bmp);
}
if (gd->board_type >= 6) {
result = lcd_init((uchar *)CONFIG_SYS_LCD_BIG_REG,
(uchar *)CONFIG_SYS_LCD_BIG_MEM,
regs_13505_640_480_16bpp,
sizeof(regs_13505_640_480_16bpp) /
sizeof(regs_13505_640_480_16bpp[0]),
logo_addr, logo_size);
if (result && str) {
/* retry with internal image */
logo_addr = logo_bmp;
logo_size = sizeof(logo_bmp);
lcd_init((uchar *)CONFIG_SYS_LCD_BIG_REG,
(uchar *)CONFIG_SYS_LCD_BIG_MEM,
regs_13505_640_480_16bpp,
sizeof(regs_13505_640_480_16bpp) /
sizeof(regs_13505_640_480_16bpp[0]),
logo_addr, logo_size);
}
} else {
result = lcd_init((uchar *)CONFIG_SYS_LCD_BIG_REG,
(uchar *)CONFIG_SYS_LCD_BIG_MEM,
regs_13806_640_480_16bpp,
sizeof(regs_13806_640_480_16bpp) /
sizeof(regs_13806_640_480_16bpp[0]),
logo_addr, logo_size);
if (result && str) {
/* retry with internal image */
logo_addr = logo_bmp;
logo_size = sizeof(logo_bmp);
lcd_init((uchar *)CONFIG_SYS_LCD_BIG_REG,
(uchar *)CONFIG_SYS_LCD_BIG_MEM,
regs_13806_640_480_16bpp,
sizeof(regs_13806_640_480_16bpp) /
sizeof(regs_13806_640_480_16bpp[0]),
logo_addr, logo_size);
}
}
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/*
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* Reset microcontroller and setup backlight PWM controller
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*/
out_be16(fpga_mode, in_be16(fpga_mode) | 0x0014);
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for (i=0;i<10;i++)
udelay(1000);
out_be16(fpga_mode, in_be16(fpga_mode) | 0x001c);
minb = 0;
maxb = 0xff;
str = getenv("lcdbl");
if (str) {
minb = (ushort)simple_strtoul(str, &str, 16) & 0x00ff;
if (str && (*str=',')) {
str++;
maxb = (ushort)simple_strtoul(str, NULL, 16) & 0x00ff;
} else
minb = 0;
out_be16((u16 *)(FUJI_BASE + LCDBL_PWMMIN), minb);
out_be16((u16 *)(FUJI_BASE + LCDBL_PWMMAX), maxb);
printf("LCDBL: min=0x%02x, max=0x%02x\n", minb, maxb);
}
out_be16((u16 *)(FUJI_BASE + LCDBL_PWM), 0xff);
/*
* fix environment for field updated units
*/
if (getenv("altbootcmd") == NULL) {
setenv("usb_load", CONFIG_SYS_USB_LOAD_COMMAND);
setenv("usbargs", CONFIG_SYS_USB_ARGS);
setenv("bootcmd", CONFIG_BOOTCOMMAND);
setenv("usb_self", CONFIG_SYS_USB_SELF_COMMAND);
setenv("bootlimit", CONFIG_SYS_BOOTLIMIT);
setenv("altbootcmd", CONFIG_SYS_ALT_BOOTCOMMAND);
saveenv();
}
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return (0);
}
/*
* Check Board Identity:
*/
int checkboard (void)
{
char str[64];
int i = getenv_f("serial#", str, sizeof(str));
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puts ("Board: ");
if (i == -1) {
puts ("### No HW ID - assuming APC405");
} else {
puts(str);
}
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gd->board_type = board_revision();
printf(", Rev. 1.%ld\n", gd->board_type);
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return 0;
}
#ifdef CONFIG_IDE_RESET
void ide_set_reset(int on)
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{
u16 *fpga_mode = (u16 *)(CONFIG_SYS_FPGA_BASE_ADDR + CONFIG_SYS_FPGA_CTRL);
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/*
* Assert or deassert CompactFlash Reset Pin
*/
if (on) {
out_be16(fpga_mode,
in_be16(fpga_mode) & ~CONFIG_SYS_FPGA_CTRL_CF_RESET);
} else {
out_be16(fpga_mode,
in_be16(fpga_mode) | CONFIG_SYS_FPGA_CTRL_CF_RESET);
}
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}
#endif /* CONFIG_IDE_RESET */
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void reset_phy(void)
{
/*
* Disable sleep mode in LXT971
*/
lxt971_no_sleep();
}
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#if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_SYS_USB_OHCI_BOARD_INIT)
int usb_board_init(void)
{
return 0;
}
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int usb_board_stop(void)
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{
unsigned short tmp;
int i;
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/*
* reset PCI bus
* This is required to make some very old Linux OHCI driver
* work after U-Boot has used the OHCI controller.
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*/
pci_read_config_word(PCIDEVID_405GP, PCIBRDGOPT2, &tmp);
pci_write_config_word(PCIDEVID_405GP, PCIBRDGOPT2, (tmp | 0x1000));
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for (i = 0; i < 100; i++)
udelay(1000);
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pci_write_config_word(PCIDEVID_405GP, PCIBRDGOPT2, tmp);
return 0;
}
int usb_board_init_fail(void)
{
usb_board_stop();
return 0;
}
#endif /* defined(CONFIG_USB_OHCI) && defined(CONFIG_SYS_USB_OHCI_BOARD_INIT) */