From ae691e5719c48f1d2826cb72722497d1d162765b Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Wed, 21 Jan 2009 17:24:49 +0100 Subject: MIPS: Add VCT board series support (Part 2/3) Signed-off-by: Stefan Roese --- board/micronas/vct/vct.c | 117 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 117 insertions(+) create mode 100644 board/micronas/vct/vct.c (limited to 'board/micronas/vct/vct.c') diff --git a/board/micronas/vct/vct.c b/board/micronas/vct/vct.c new file mode 100644 index 0000000..d320e0b --- /dev/null +++ b/board/micronas/vct/vct.c @@ -0,0 +1,117 @@ +/* + * (C) Copyright 2008 Stefan Roese , DENX Software Engineering + * + * Copyright (C) 2006 Micronas GmbH + * + * 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 +#include +#include +#include "vct.h" + +#if defined(CONFIG_VCT_PREMIUM) +#define BOARD_NAME "PremiumD" +#elif defined(CONFIG_VCT_PLATINUM) +#define BOARD_NAME "PlatinumD" +#elif defined(CONFIG_VCT_PLATINUMAVC) +#define BOARD_NAME "PlatinumAVC" +#else +#error "vct: No board variant defined!" +#endif + +#if defined(CONFIG_VCT_ONENAND) +#define BOARD_NAME_ADD " OneNAND" +#else +#define BOARD_NAME_ADD " NOR" +#endif + +int board_early_init_f(void) +{ + /* + * First initialize the PIN mulitplexing + */ + vct_pin_mux_initialize(); + + /* + * Init the EBI very early so that FLASH can be accessed + */ + ebi_initialize(); + + return 0; +} + +void _machine_restart(void) +{ + reg_write(DCGU_EN_WDT_RESET(DCGU_BASE), DCGU_MAGIC_WDT); + reg_write(WDT_TORR(WDT_BASE), 0x00); + reg_write(WDT_CR(WDT_BASE), 0x1D); + + /* + * Now wait for the watchdog to trigger the reset + */ + udelay(1000000); +} + +/* + * SDRAM is already configured by the bootstrap code, only return the + * auto-detected size here + */ +phys_size_t initdram(int board_type) +{ + return get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, + CONFIG_SYS_MBYTES_SDRAM << 20); +} + +int checkboard(void) +{ + u32 config0 = read_c0_prid(); + char *s = getenv("serial#"); + + if ((config0 & 0xff0000) == PRID_COMP_LEGACY + && (config0 & 0xff00) == PRID_IMP_LX4280) { + puts("Board: MDED \n"); + printf("CPU: LX4280 id: 0x%02x, rev: 0x%02x\n", + (config0 >> 8) & 0xFF, config0 & 0xFF); + } else if ((config0 & 0xff0000) == PRID_COMP_MIPS + && (config0 & 0xff00) == PRID_IMP_VGC) { + u32 jedec_id = *((u32 *) 0xBEBC71A0); + if ((((jedec_id) >> 12) & 0xFF) == 0x40) { + puts("Board: VGCA \n"); + } else if ((((jedec_id) >> 12) & 0xFF) == 0x48 + || (((jedec_id) >> 12) & 0xFF) == 0x49) { + puts("Board: VGCB \n"); + } + printf("CPU: MIPS 4K id: 0x%02x, rev: 0x%02x\n", + (config0 >> 8) & 0xFF, config0 & 0xFF); + } else if (config0 == 0x19378) { + printf("CPU: MIPS 24K id: 0x%02x, rev: 0x%02x\n", + (config0 >> 8) & 0xFF, config0 & 0xFF); + } else { + printf("Unsupported cpu %d, proc_id=0x%x\n", config0 >> 24, + config0); + } + + printf("Board: Micronas VCT " BOARD_NAME BOARD_NAME_ADD); + if (s != NULL) { + puts(", serial# "); + puts(s); + } + putc('\n'); + + return 0; +} -- cgit v1.1