diff options
Diffstat (limited to 'board/freescale/mpc8544ds/mpc8544ds.c')
| -rw-r--r-- | board/freescale/mpc8544ds/mpc8544ds.c | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/board/freescale/mpc8544ds/mpc8544ds.c b/board/freescale/mpc8544ds/mpc8544ds.c new file mode 100644 index 0000000..4ff1da9 --- /dev/null +++ b/board/freescale/mpc8544ds/mpc8544ds.c @@ -0,0 +1,201 @@ +/* + * Copyright 2007 Freescale Semiconductor, Inc. + * + * 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 <command.h> +#include <asm/processor.h> +#include <asm/immap_85xx.h> +#include <spd.h> +#include <miiphy.h> + +#include "../common/pixis.h" + +#if defined(CONFIG_OF_FLAT_TREE) +#include <ft_build.h> +extern void ft_cpu_setup(void *blob, bd_t *bd); +#endif + +#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) +extern void ddr_enable_ecc(unsigned int dram_size); +#endif + +extern long int spd_sdram(void); + +void sdram_init(void); + +int board_early_init_f (void) +{ + return 0; +} + +int checkboard (void) +{ + volatile immap_t *immap = (immap_t *) CFG_CCSRBAR; + volatile ccsr_gur_t *gur = &immap->im_gur; + + if ((uint)&gur->porpllsr != 0xe00e0000) { + printf("immap size error %x\n",&gur->porpllsr); + } + printf ("Board: MPC8544DS\n"); + + return 0; +} + +long int +initdram(int board_type) +{ + long dram_size = 0; + + puts("Initializing\n"); + + dram_size = spd_sdram(); + +#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) + /* + * Initialize and enable DDR ECC. + */ + ddr_enable_ecc(dram_size); +#endif + puts(" DDR: "); + return dram_size; +} + +#if defined(CFG_DRAM_TEST) +int +testdram(void) +{ + uint *pstart = (uint *) CFG_MEMTEST_START; + uint *pend = (uint *) CFG_MEMTEST_END; + uint *p; + + printf("Testing DRAM from 0x%08x to 0x%08x\n", + CFG_MEMTEST_START, + CFG_MEMTEST_END); + + printf("DRAM test phase 1:\n"); + for (p = pstart; p < pend; p++) + *p = 0xaaaaaaaa; + + for (p = pstart; p < pend; p++) { + if (*p != 0xaaaaaaaa) { + printf ("DRAM test fails at: %08x\n", (uint) p); + return 1; + } + } + + printf("DRAM test phase 2:\n"); + for (p = pstart; p < pend; p++) + *p = 0x55555555; + + for (p = pstart; p < pend; p++) { + if (*p != 0x55555555) { + printf ("DRAM test fails at: %08x\n", (uint) p); + return 1; + } + } + + printf("DRAM test passed.\n"); + return 0; +} +#endif + +int last_stage_init(void) +{ + return 0; +} + + +unsigned long +get_board_sys_clk(ulong dummy) +{ + u8 i, go_bit, rd_clks; + ulong val = 0; + + go_bit = in8(PIXIS_BASE + PIXIS_VCTL); + go_bit &= 0x01; + + rd_clks = in8(PIXIS_BASE + PIXIS_VCFGEN0); + rd_clks &= 0x1C; + + /* + * Only if both go bit and the SCLK bit in VCFGEN0 are set + * should we be using the AUX register. Remember, we also set the + * GO bit to boot from the alternate bank on the on-board flash + */ + + if (go_bit) { + if (rd_clks == 0x1c) + i = in8(PIXIS_BASE + PIXIS_AUX); + else + i = in8(PIXIS_BASE + PIXIS_SPD); + } else { + i = in8(PIXIS_BASE + PIXIS_SPD); + } + + i &= 0x07; + + switch (i) { + case 0: + val = 33333333; + break; + case 1: + val = 40000000; + break; + case 2: + val = 50000000; + break; + case 3: + val = 66666666; + break; + case 4: + val = 83000000; + break; + case 5: + val = 100000000; + break; + case 6: + val = 133333333; + break; + case 7: + val = 166666666; + break; + } + + return val; +} + +#if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP) +void +ft_board_setup(void *blob, bd_t *bd) +{ + u32 *p; + int len; + + ft_cpu_setup(blob, bd); + + p = ft_get_prop(blob, "/memory/reg", &len); + if (p != NULL) { + *p++ = cpu_to_be32(bd->bi_memstart); + *p = cpu_to_be32(bd->bi_memsize); + } +} +#endif |