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Diffstat (limited to 'board/esd/apc405/apc405.c')
| -rw-r--r-- | board/esd/apc405/apc405.c | 315 |
1 files changed, 315 insertions, 0 deletions
diff --git a/board/esd/apc405/apc405.c b/board/esd/apc405/apc405.c new file mode 100644 index 000000000..f7c708fe8 --- /dev/null +++ b/board/esd/apc405/apc405.c @@ -0,0 +1,315 @@ +/* + * (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 <command.h> +#include <malloc.h> + +/* ------------------------------------------------------------------------- */ + +#if 0 +#define FPGA_DEBUG +#endif + +extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); +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" + + +/* Prototypes */ +int gunzip(void *, int, unsigned char *, unsigned long *); + + +#ifdef CONFIG_LCD_USED +/* logo bitmap data - gzip compressed and generated by bin2c */ +unsigned char logo_bmp[] = +{ +#include CFG_LCD_LOGO_NAME +}; + +/* + * include common lcd code (for esd boards) + */ +#include "../common/lcd.c" + +#include "../common/"CFG_LCD_HEADER_NAME +#endif /* CONFIG_LCD_USED */ + + +int board_early_init_f (void) +{ + /* + * First pull fpga-prg pin low, to disable fpga logic (on version 2 board) + */ + out32(GPIO0_ODR, 0x00000000); /* no open drain pins */ + out32(GPIO0_TCR, CFG_FPGA_PRG); /* setup for output */ + out32(GPIO0_OR, CFG_FPGA_PRG); /* set output pins to high */ + out32(GPIO0_OR, 0); /* pull prg low */ + + /* + * 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(uicsr, 0xFFFFFFFF); /* clear all ints */ + mtdcr(uicer, 0x00000000); /* disable all ints */ + mtdcr(uiccr, 0x00000000); /* set all to be non-critical*/ + mtdcr(uicpr, 0xFFFFFF81); /* set int polarities */ + mtdcr(uictr, 0x10000000); /* set int trigger levels */ + mtdcr(uicvcr, 0x00000001); /* set vect base=0,INT0 highest priority*/ + mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */ + + /* + * EBC Configuration Register: set ready timeout to 512 ebc-clks -> ca. 15 us + */ +#if 1 /* test-only */ + mtebc (epcr, 0xa8400000); /* ebc always driven */ +#else + mtebc (epcr, 0x28400000); /* ebc in high-z */ +#endif + + return 0; +} + + +/* ------------------------------------------------------------------------- */ + +int misc_init_f (void) +{ + return 0; /* dummy implementation */ +} + + +int misc_init_r (void) +{ + volatile unsigned short *fpga_mode = + (unsigned short *)((ulong)CFG_FPGA_BASE_ADDR + CFG_FPGA_CTRL); + volatile unsigned char *duart0_mcr = + (unsigned char *)((ulong)DUART0_BA + 4); + volatile unsigned char *duart1_mcr = + (unsigned char *)((ulong)DUART1_BA + 4); + volatile unsigned short *fuji_lcdbl_pwm = + (unsigned short *)((ulong)0xf0100200 + 0xa0); + unsigned char *dst; + ulong len = sizeof(fpgadata); + int status; + int index; + int i; + unsigned long cntrl0Reg; + + /* + * Setup GPIO pins (CS6+CS7 as GPIO) + */ + cntrl0Reg = mfdcr(cntrl0); + mtdcr(cntrl0, cntrl0Reg | 0x00300000); + + dst = malloc(CFG_FPGA_MAX_SIZE); + if (gunzip (dst, CFG_FPGA_MAX_SIZE, (uchar *)fpgadata, &len) != 0) { + printf ("GUNZIP ERROR - must RESET board to recover\n"); + do_reset (NULL, 0, 0, NULL); + } + + 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 "); + break; + case ERROR_FPGA_PRG_INIT_HIGH: + printf("(Timeout: INIT not high after deasserting PROGRAM*)\n "); + break; + case ERROR_FPGA_PRG_DONE: + printf("(Timeout: DONE not high after programming FPGA)\n "); + break; + } + + /* display infos on fpgaimage */ + index = 15; + for (i=0; i<4; i++) { + len = dst[index]; + printf("FPGA: %s\n", &(dst[index+1])); + index += len+3; + } + putc ('\n'); + /* delayed reboot */ + for (i=20; i>0; i--) { + printf("Rebooting in %2d seconds \r",i); + for (index=0;index<1000;index++) + udelay(1000); + } + putc ('\n'); + do_reset(NULL, 0, 0, NULL); + } + + /* restore gpio/cs settings */ + mtdcr(cntrl0, cntrl0Reg); + + puts("FPGA: "); + + /* display infos on fpgaimage */ + index = 15; + for (i=0; i<4; i++) { + len = dst[index]; + printf("%s ", &(dst[index+1])); + index += len+3; + } + putc ('\n'); + + 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 */ + + /* + * Enable power on PS/2 interface (with reset) + */ + *fpga_mode |= CFG_FPGA_CTRL_PS2_RESET; + for (i=0;i<100;i++) + udelay(1000); + udelay(1000); + *fpga_mode &= ~CFG_FPGA_CTRL_PS2_RESET; + + /* + * Enable interrupts in exar duart mcr[3] + */ + *duart0_mcr = 0x08; + *duart1_mcr = 0x08; + + /* + * Init lcd interface and display logo + */ + lcd_init((uchar *)CFG_LCD_BIG_REG, (uchar *)CFG_LCD_BIG_MEM, + regs_13806_640_480_16bpp, + sizeof(regs_13806_640_480_16bpp)/sizeof(regs_13806_640_480_16bpp[0]), + logo_bmp, sizeof(logo_bmp)); + + /* + * Enable microcontroller and setup backlight PWM controller + */ + *fpga_mode |= 0x001c; + *fuji_lcdbl_pwm = 0x00ff; + + return (0); +} + + +/* + * Check Board Identity: + */ + +int checkboard (void) +{ + unsigned char str[64]; + int i = getenv_r ("serial#", str, sizeof(str)); + + puts ("Board: "); + + if (i == -1) { + puts ("### No HW ID - assuming APC405"); + } else { + puts(str); + } + + putc ('\n'); + + /* + * Disable sleep mode in LXT971 + */ + lxt971_no_sleep(); + + return 0; +} + +/* ------------------------------------------------------------------------- */ + +long int initdram (int board_type) +{ + unsigned long val; + + mtdcr(memcfga, mem_mb0cf); + val = mfdcr(memcfgd); + +#if 0 + printf("\nmb0cf=%x\n", val); /* test-only */ + printf("strap=%x\n", mfdcr(strap)); /* test-only */ +#endif + + return (4*1024*1024 << ((val & 0x000e0000) >> 17)); +} + +/* ------------------------------------------------------------------------- */ + +int testdram (void) +{ + /* TODO: XXX XXX XXX */ + printf ("test: 16 MB - ok\n"); + + return (0); +} + +/* ------------------------------------------------------------------------- */ + +#ifdef CONFIG_IDE_RESET + +void ide_set_reset(int on) +{ + volatile unsigned short *fpga_mode = + (unsigned short *)((ulong)CFG_FPGA_BASE_ADDR + CFG_FPGA_CTRL); + + /* + * Assert or deassert CompactFlash Reset Pin + */ + if (on) { /* assert RESET */ + *fpga_mode &= ~(CFG_FPGA_CTRL_CF_RESET); + } else { /* release RESET */ + *fpga_mode |= CFG_FPGA_CTRL_CF_RESET; + } +} + +#endif /* CONFIG_IDE_RESET */ + +/* ------------------------------------------------------------------------- */ |