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author | TsiChungLiew <Tsi-Chung.Liew@freescale.com> | 2008-01-15 20:02:49 (GMT) |
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committer | TsiChungLiew <Tsi-Chung.Liew@freescale.com> | 2008-01-17 20:59:42 (GMT) |
commit | 1aee111135d8660a164d4f6bf7d66b032ea535cf (patch) | |
tree | 5175aa5cd00e3ae8640d81bff17eef0b3b3972cd /board/freescale/m548xevb/m548xevb.c | |
parent | 777d1abd9796f1c2e148417cc10657e847d318ce (diff) | |
download | u-boot-fsl-qoriq-1aee111135d8660a164d4f6bf7d66b032ea535cf.tar.xz |
ColdFire: MCF547x_8x - Add M547xEVB and M548xEVB board
Signed-off-by: TsiChungLiew <Tsi-Chung.Liew@freescale.com>
Signed-off by: John Rigby <jrigby@freescale.com>
Diffstat (limited to 'board/freescale/m548xevb/m548xevb.c')
-rw-r--r-- | board/freescale/m548xevb/m548xevb.c | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/board/freescale/m548xevb/m548xevb.c b/board/freescale/m548xevb/m548xevb.c new file mode 100644 index 0000000..0372807 --- /dev/null +++ b/board/freescale/m548xevb/m548xevb.c @@ -0,0 +1,115 @@ +/* + * (C) Copyright 2000-2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. + * TsiChung Liew (Tsi-Chung.Liew@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 <config.h> +#include <common.h> +#include <pci.h> +#include <asm/immap.h> + +DECLARE_GLOBAL_DATA_PTR; + +int checkboard(void) +{ + puts("Board: "); + puts("Freescale FireEngine 5485 EVB\n"); + return 0; +}; + +long int initdram(int board_type) +{ + volatile siu_t *siu = (siu_t *) (MMAP_SIU); + volatile sdram_t *sdram = (volatile sdram_t *)(MMAP_SDRAM); + u32 dramsize, i; + + siu->drv = CFG_SDRAM_DRVSTRENGTH; + + dramsize = CFG_DRAMSZ * 0x100000; + for (i = 0x13; i < 0x20; i++) { + if (dramsize == (1 << i)) + break; + } + i--; + siu->cs0cfg = (CFG_SDRAM_BASE | i); + +#ifdef CFG_DRAMSZ1 + temp = CFG_DRAMSZ1 * 0x100000; + for (i = 0x13; i < 0x20; i++) { + if (temp == (1 << i)) + break; + } + i--; + dramsize += temp; + siu->cs1cfg = ((CFG_SDRAM_BASE + temp) | i); +#endif + + sdram->cfg1 = CFG_SDRAM_CFG1; + sdram->cfg2 = CFG_SDRAM_CFG2; + + /* Issue PALL */ + sdram->ctrl = CFG_SDRAM_CTRL | 2; + + /* Issue LEMR */ + sdram->mode = CFG_SDRAM_EMOD; + sdram->mode = (CFG_SDRAM_MODE | 0x04000000); + + udelay(500); + + /* Issue PALL */ + sdram->ctrl = (CFG_SDRAM_CTRL | 2); + + /* Perform two refresh cycles */ + sdram->ctrl = CFG_SDRAM_CTRL | 4; + sdram->ctrl = CFG_SDRAM_CTRL | 4; + + sdram->mode = CFG_SDRAM_MODE; + + sdram->ctrl = (CFG_SDRAM_CTRL & ~0x80000000) | 0x10000F00; + + udelay(100); + + return dramsize; +}; + +int testdram(void) +{ + /* TODO: XXX XXX XXX */ + printf("DRAM test not implemented!\n"); + + return (0); +} + +#if defined(CONFIG_PCI) +/* + * Initialize PCI devices, report devices found. + */ +static struct pci_controller hose; +extern void pci_mcf547x_8x_init(struct pci_controller *hose); + +void pci_init_board(void) +{ + pci_mcf547x_8x_init(&hose); +} +#endif /* CONFIG_PCI */ |