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Diffstat (limited to 'board/total5200/total5200.c')
| -rw-r--r-- | board/total5200/total5200.c | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/board/total5200/total5200.c b/board/total5200/total5200.c new file mode 100644 index 0000000..24aaafc --- /dev/null +++ b/board/total5200/total5200.c @@ -0,0 +1,136 @@ +/* + * (C) Copyright 2003-2004 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2004 + * Mark Jonas, Freescale Semiconductor, mark.jonas@freescale.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 <mpc5xxx.h> +#include <pci.h> + +#include "sdram.h" + +#if CONFIG_TOTAL5200_REV==2 +#include "mt48lc32m16a2-75.h" +#else +#include "mt48lc16m16a2-75.h" +#endif + +long int initdram (int board_type) +{ + sdram_conf_t sdram_conf; + + sdram_conf.ddr = SDRAM_DDR; + sdram_conf.mode = SDRAM_MODE; + sdram_conf.emode = 0; + sdram_conf.control = SDRAM_CONTROL; + sdram_conf.config1 = SDRAM_CONFIG1; + sdram_conf.config2 = SDRAM_CONFIG2; +#if defined(CONFIG_MPC5200) + sdram_conf.tapdelay = 0; +#endif +#if defined(CONFIG_MGT5100) + sdram_conf.addrsel = SDRAM_ADDRSEL; +#endif + return mpc5xxx_sdram_init (&sdram_conf); +} + +int checkboard (void) +{ +#if defined(CONFIG_MPC5200) +#if CONFIG_TOTAL5200_REV==2 + puts ("Board: Total5200 Rev.2 "); +#else + puts ("Board: Total5200 "); +#endif +#elif defined(CONFIG_MGT5100) + puts ("Board: Total5100 "); +#endif + +/* + * Retrieve FPGA Revision. + */ +printf ("(FPGA %08X)\n", *(vu_long *) (CFG_FPGA_BASE + 0x400)); + +/* + * Take all peripherals in power-up mode. + */ +#if CONFIG_TOTAL5200_REV==2 + *(vu_char *) (CFG_CPLD_BASE + 0x46) = 0x70; +#else + *(vu_long *) (CFG_CPLD_BASE + 0x400) = 0x70; +#endif + + return 0; +} + +#if defined(CONFIG_MGT5100) +int board_early_init_r(void) +{ + /* + * Now, when we are in RAM, enable CS0 + * because CS_BOOT cannot be written. + */ + *(vu_long *)MPC5XXX_ADDECR &= ~(1 << 25); /* disable CS_BOOT */ + *(vu_long *)MPC5XXX_ADDECR |= (1 << 16); /* enable CS0 */ + + return 0; +} +#endif + +#ifdef CONFIG_PCI +static struct pci_controller hose; + +extern void pci_mpc5xxx_init(struct pci_controller *); + +void pci_init_board(void) +{ + pci_mpc5xxx_init(&hose); +} +#endif + +#if defined (CFG_CMD_IDE) && defined (CONFIG_IDE_RESET) + +/* IRDA_1 aka PSC6_3 (pin C13) */ +#define GPIO_IRDA_1 0x20000000UL + +void init_ide_reset (void) +{ + debug ("init_ide_reset\n"); + + /* Configure IRDA_1 (PSC6_3) as GPIO output for ATA reset */ + *(vu_long *) MPC5XXX_GPIO_ENABLE |= GPIO_IRDA_1; + *(vu_long *) MPC5XXX_GPIO_DIR |= GPIO_IRDA_1; +} + +void ide_set_reset (int idereset) +{ + debug ("ide_reset(%d)\n", idereset); + + if (idereset) { + *(vu_long *) MPC5XXX_GPIO_DATA_O &= ~GPIO_IRDA_1; + } else { + *(vu_long *) MPC5XXX_GPIO_DATA_O |= GPIO_IRDA_1; + } +} +#endif /* defined (CFG_CMD_IDE) && defined (CONFIG_IDE_RESET) */ |