X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=board%2Fesd%2Fvoh405%2Fvoh405.c;h=3cc2206b47b9d8d526560bd9f442e8a483e47b19;hb=326ea986ac150acdc7656d57fca647db80b50158;hp=2857a0bef5ede64a9050afae9d15ba8514161571;hpb=f930922f061ea7bf585296859d1c14194c24b840;p=karo-tx-uboot.git diff --git a/board/esd/voh405/voh405.c b/board/esd/voh405/voh405.c index 2857a0bef5..3cc2206b47 100644 --- a/board/esd/voh405/voh405.c +++ b/board/esd/voh405/voh405.c @@ -2,26 +2,11 @@ * (C) Copyright 2001-2004 * 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 + * SPDX-License-Identifier: GPL-2.0+ */ #include +#include #include #include #include @@ -32,7 +17,6 @@ #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 */ @@ -47,10 +31,6 @@ const unsigned char fpgadata[] = #include "../common/fpga.c" -/* Prototypes */ -int gunzip(void *, int, unsigned char *, unsigned long *); - - /* logo bitmap data - gzip compressed and generated by bin2c */ unsigned char logo_bmp_320[] = { @@ -87,37 +67,30 @@ int board_early_init_f (void) * 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, 0xFFFFFFB5); /* 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 */ + mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */ + mtdcr(UIC0ER, 0x00000000); /* disable all ints */ + mtdcr(UIC0CR, 0x00000000); /* set all to be non-critical*/ + mtdcr(UIC0PR, 0xFFFFFFB5); /* set int polarities */ + mtdcr(UIC0TR, 0x10000000); /* set int trigger levels */ + mtdcr(UIC0VCR, 0x00000001); /* set vect base=0,INT0 highest priority*/ + mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */ /* * EBC Configuration Register: set ready timeout to 512 ebc-clks -> ca. 15 us */ - mtebc (epcr, 0xa8400000); /* ebc always driven */ + mtebc (EBC0_CFG, 0xa8400000); /* ebc always driven */ return 0; } - -int misc_init_f (void) -{ - return 0; /* dummy implementation */ -} - - int misc_init_r (void) { - 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 *lcd_contrast = - (unsigned short *)((ulong)CFG_FPGA_BASE_ADDR + CFG_FPGA_CTRL + 4); - volatile unsigned short *lcd_backlight = - (unsigned short *)((ulong)CFG_FPGA_BASE_ADDR + CFG_FPGA_CTRL + 6); + unsigned char *duart0_mcr = (unsigned char *)((ulong)DUART0_BA + 4); + unsigned char *duart1_mcr = (unsigned char *)((ulong)DUART1_BA + 4); + unsigned short *lcd_contrast = + (unsigned short *)((ulong)CONFIG_SYS_FPGA_BASE_ADDR + CONFIG_SYS_FPGA_CTRL + 4); + unsigned short *lcd_backlight = + (unsigned short *)((ulong)CONFIG_SYS_FPGA_BASE_ADDR + CONFIG_SYS_FPGA_CTRL + 6); unsigned char *dst; ulong len = sizeof(fpgadata); int status; @@ -125,8 +98,8 @@ int misc_init_r (void) int i; char *str; - dst = malloc(CFG_FPGA_MAX_SIZE); - if (gunzip (dst, CFG_FPGA_MAX_SIZE, (uchar *)fpgadata, &len) != 0) { + 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); } @@ -180,25 +153,37 @@ int misc_init_r (void) /* * Reset FPGA via FPGA_INIT pin */ - out32(GPIO0_TCR, in32(GPIO0_TCR) | FPGA_INIT); /* setup FPGA_INIT as output */ - out32(GPIO0_OR, in32(GPIO0_OR) & ~FPGA_INIT); /* reset low */ + out_be32((void*)GPIO0_TCR, in_be32((void*)GPIO0_TCR) | FPGA_INIT); /* setup FPGA_INIT as output */ + out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) & ~FPGA_INIT); /* reset low */ udelay(1000); /* wait 1ms */ - out32(GPIO0_OR, in32(GPIO0_OR) | FPGA_INIT); /* reset high */ + out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) | FPGA_INIT); /* reset high */ udelay(1000); /* wait 1ms */ /* * Reset external DUARTs */ - out32(GPIO0_OR, in32(GPIO0_OR) | CFG_DUART_RST); /* set reset to high */ + out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) | CONFIG_SYS_DUART_RST); /* set reset to high */ udelay(10); /* wait 10us */ - out32(GPIO0_OR, in32(GPIO0_OR) & ~CFG_DUART_RST); /* set reset to low */ + out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) & ~CONFIG_SYS_DUART_RST); /* set reset to low */ udelay(1000); /* wait 1ms */ + /* + * Set NAND-FLASH GPIO signals to default + */ + out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) & ~(CONFIG_SYS_NAND_CLE | CONFIG_SYS_NAND_ALE)); + out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) | CONFIG_SYS_NAND_CE); + + /* + * Setup EEPROM write protection + */ + out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) | CONFIG_SYS_EEPROM_WP); + out_be32((void*)GPIO0_TCR, in_be32((void*)GPIO0_TCR) | CONFIG_SYS_EEPROM_WP); + /* * Enable interrupts in exar duart mcr[3] */ - *duart0_mcr = 0x08; - *duart1_mcr = 0x08; + out_8(duart0_mcr, 0x08); + out_8(duart1_mcr, 0x08); /* * Init lcd interface and display logo @@ -206,29 +191,29 @@ int misc_init_r (void) str = getenv("bd_type"); if (strcmp(str, "voh405_bw") == 0) { lcd_setup(0, 1); - lcd_init((uchar *)CFG_LCD_SMALL_REG, (uchar *)CFG_LCD_SMALL_MEM, + lcd_init((uchar *)CONFIG_SYS_LCD_SMALL_REG, (uchar *)CONFIG_SYS_LCD_SMALL_MEM, regs_13704_320_240_4bpp, sizeof(regs_13704_320_240_4bpp)/sizeof(regs_13704_320_240_4bpp[0]), logo_bmp_320, sizeof(logo_bmp_320)); } else if (strcmp(str, "voh405_bwbw") == 0) { lcd_setup(0, 1); - lcd_init((uchar *)CFG_LCD_SMALL_REG, (uchar *)CFG_LCD_SMALL_MEM, + lcd_init((uchar *)CONFIG_SYS_LCD_SMALL_REG, (uchar *)CONFIG_SYS_LCD_SMALL_MEM, regs_13704_320_240_4bpp, sizeof(regs_13704_320_240_4bpp)/sizeof(regs_13704_320_240_4bpp[0]), logo_bmp_320, sizeof(logo_bmp_320)); lcd_setup(1, 1); - lcd_init((uchar *)CFG_LCD_BIG_REG, (uchar *)CFG_LCD_BIG_MEM, + lcd_init((uchar *)CONFIG_SYS_LCD_BIG_REG, (uchar *)CONFIG_SYS_LCD_BIG_MEM, regs_13806_320_240_4bpp, sizeof(regs_13806_320_240_4bpp)/sizeof(regs_13806_320_240_4bpp[0]), logo_bmp_320, sizeof(logo_bmp_320)); } else if (strcmp(str, "voh405_bwc") == 0) { lcd_setup(0, 1); - lcd_init((uchar *)CFG_LCD_SMALL_REG, (uchar *)CFG_LCD_SMALL_MEM, + lcd_init((uchar *)CONFIG_SYS_LCD_SMALL_REG, (uchar *)CONFIG_SYS_LCD_SMALL_MEM, regs_13704_320_240_4bpp, sizeof(regs_13704_320_240_4bpp)/sizeof(regs_13704_320_240_4bpp[0]), logo_bmp_320, sizeof(logo_bmp_320)); lcd_setup(1, 0); - lcd_init((uchar *)CFG_LCD_BIG_REG, (uchar *)CFG_LCD_BIG_MEM, + 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_bmp_640, sizeof(logo_bmp_640)); @@ -240,17 +225,23 @@ int misc_init_r (void) /* * Set invert bit in small lcd controller */ - *(unsigned char *)(CFG_LCD_SMALL_REG + 2) |= 0x01; + out_8((unsigned char *)(CONFIG_SYS_LCD_SMALL_REG + 2), + in_8((unsigned char *)(CONFIG_SYS_LCD_SMALL_REG + 2)) | 0x01); /* * Set default contrast voltage on epson vga controller */ - *lcd_contrast = 0x4646; + out_be16(lcd_contrast, 0x4646); /* * Enable backlight */ - *lcd_backlight = 0xffff; + out_be16(lcd_backlight, 0xffff); + + /* + * Enable external I2C bus + */ + out_be32((void*)GPIO0_TCR, in_be32((void*)GPIO0_TCR) | CONFIG_SYS_IIC_ON); return (0); } @@ -263,7 +254,7 @@ int misc_init_r (void) int checkboard (void) { char str[64]; - int i = getenv_r ("serial#", str, sizeof(str)); + int i = getenv_f("serial#", str, sizeof(str)); puts ("Board: "); @@ -273,7 +264,7 @@ int checkboard (void) puts(str); } - if (getenv_r("bd_type", str, sizeof(str)) != -1) { + if (getenv_f("bd_type", str, sizeof(str)) != -1) { printf(" (%s)", str); } else { puts(" (Missing bd_type!)"); @@ -281,56 +272,106 @@ int checkboard (void) putc ('\n'); - /* - * Disable sleep mode in LXT971 - */ - lxt971_no_sleep(); - return 0; } -/* ------------------------------------------------------------------------- */ - -long int initdram (int board_type) +#ifdef CONFIG_IDE_RESET +#define FPGA_MODE (CONFIG_SYS_FPGA_BASE_ADDR + CONFIG_SYS_FPGA_CTRL) +void ide_set_reset(int on) { - unsigned long val; + /* + * Assert or deassert CompactFlash Reset Pin + */ + if (on) { /* assert RESET */ + out_be16((void *)FPGA_MODE, + in_be16((void *)FPGA_MODE) & ~CONFIG_SYS_FPGA_CTRL_CF_RESET); + } else { /* release RESET */ + out_be16((void *)FPGA_MODE, + in_be16((void *)FPGA_MODE) | CONFIG_SYS_FPGA_CTRL_CF_RESET); + } +} +#endif /* CONFIG_IDE_RESET */ - mtdcr(memcfga, mem_mb0cf); - val = mfdcr(memcfgd); +#if defined(CONFIG_RESET_PHY_R) +void reset_phy(void) +{ +#ifdef CONFIG_LXT971_NO_SLEEP -#if 0 - printf("\nmb0cf=%x\n", val); /* test-only */ - printf("strap=%x\n", mfdcr(strap)); /* test-only */ + /* + * Disable sleep mode in LXT971 + */ + lxt971_no_sleep(); #endif - - return (4*1024*1024 << ((val & 0x000e0000) >> 17)); } +#endif -/* ------------------------------------------------------------------------- */ - -int testdram (void) +#if defined(CONFIG_SYS_EEPROM_WREN) +/* Input: I2C address of EEPROM device to enable. + * -1: deliver current state + * 0: disable write + * 1: enable write + * Returns: -1: wrong device address + * 0: dis-/en- able done + * 0/1: current state if was -1. + */ +int eeprom_write_enable (unsigned dev_addr, int state) { - /* TODO: XXX XXX XXX */ - printf ("test: 16 MB - ok\n"); - - return (0); + if (CONFIG_SYS_I2C_EEPROM_ADDR != dev_addr) { + return -1; + } else { + switch (state) { + case 1: + /* Enable write access, clear bit GPIO0. */ + out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) & ~CONFIG_SYS_EEPROM_WP); + state = 0; + break; + case 0: + /* Disable write access, set bit GPIO0. */ + out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) | CONFIG_SYS_EEPROM_WP); + state = 0; + break; + default: + /* Read current status back. */ + state = (0 == (in_be32((void*)GPIO0_OR) & CONFIG_SYS_EEPROM_WP)); + break; + } + } + return state; } -/* ------------------------------------------------------------------------- */ - -#ifdef CONFIG_IDE_RESET -void ide_set_reset(int on) +int do_eep_wren (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { - 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; + int query = argc == 1; + int state = 0; + + if (query) { + /* Query write access state. */ + state = eeprom_write_enable (CONFIG_SYS_I2C_EEPROM_ADDR, -1); + if (state < 0) { + puts ("Query of write access state failed.\n"); + } else { + printf ("Write access for device 0x%0x is %sabled.\n", + CONFIG_SYS_I2C_EEPROM_ADDR, state ? "en" : "dis"); + state = 0; + } + } else { + if ('0' == argv[1][0]) { + /* Disable write access. */ + state = eeprom_write_enable (CONFIG_SYS_I2C_EEPROM_ADDR, 0); + } else { + /* Enable write access. */ + state = eeprom_write_enable (CONFIG_SYS_I2C_EEPROM_ADDR, 1); + } + if (state < 0) { + puts ("Setup of write access state failed.\n"); + } } + + return state; } -#endif /* CONFIG_IDE_RESET */ + +U_BOOT_CMD(eepwren, 2, 0, do_eep_wren, + "Enable / disable / query EEPROM write access", + "" +); +#endif /* #if defined(CONFIG_SYS_EEPROM_WREN) */