diff options
Diffstat (limited to 'board/freescale')
| -rw-r--r-- | board/freescale/common/Makefile | 1 | ||||
| -rw-r--r-- | board/freescale/common/sdhc_boot.c | 64 | ||||
| -rw-r--r-- | board/freescale/p2020ds/tlb.c | 13 |
3 files changed, 77 insertions, 1 deletions
diff --git a/board/freescale/common/Makefile b/board/freescale/common/Makefile index 1abd3e5..8ea5acb 100644 --- a/board/freescale/common/Makefile +++ b/board/freescale/common/Makefile @@ -36,6 +36,7 @@ COBJS-$(CONFIG_FSL_NGPIXIS) += ngpixis.o COBJS-$(CONFIG_PQ_MDS_PIB) += pq-mds-pib.o COBJS-$(CONFIG_ID_EEPROM) += sys_eeprom.o COBJS-$(CONFIG_FSL_SGMII_RISER) += sgmii_riser.o +COBJS-$(CONFIG_ENV_IS_IN_MMC) += sdhc_boot.o COBJS-$(CONFIG_MPC8541CDS) += cds_pci_ft.o COBJS-$(CONFIG_MPC8548CDS) += cds_pci_ft.o diff --git a/board/freescale/common/sdhc_boot.c b/board/freescale/common/sdhc_boot.c new file mode 100644 index 0000000..964c6b8 --- /dev/null +++ b/board/freescale/common/sdhc_boot.c @@ -0,0 +1,64 @@ +/* + * Copyright 2011 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 <mmc.h> +#include <malloc.h> + +/* + * The environment variables are written to just after the u-boot image + * on SDCard, so we must read the MBR to get the start address and code + * length of the u-boot image, then calculate the address of the env. + */ +#define ESDHC_BOOT_IMAGE_SIZE 0x48 +#define ESDHC_BOOT_IMAGE_ADDR 0x50 + +int mmc_get_env_addr(struct mmc *mmc, u32 *env_addr) +{ + u8 *tmp_buf; + u32 blklen, code_offset, code_len, n; + + blklen = mmc->read_bl_len; + tmp_buf = malloc(blklen); + if (!tmp_buf) + return 1; + + /* read out the first block, get the config data information */ + n = mmc->block_dev.block_read(mmc->block_dev.dev, 0, 1, tmp_buf); + if (!n) { + free(tmp_buf); + return 1; + } + + /* Get the Source Address, from offset 0x50 */ + code_offset = *(u32 *)(tmp_buf + ESDHC_BOOT_IMAGE_ADDR); + + /* Get the code size from offset 0x48 */ + code_len = *(u32 *)(tmp_buf + ESDHC_BOOT_IMAGE_SIZE); + + *env_addr = code_offset + code_len; + + free(tmp_buf); + + return 0; +} + diff --git a/board/freescale/p2020ds/tlb.c b/board/freescale/p2020ds/tlb.c index 824b3b2..fd914a1 100644 --- a/board/freescale/p2020ds/tlb.c +++ b/board/freescale/p2020ds/tlb.c @@ -1,5 +1,5 @@ /* - * Copyright 2008-2009 Freescale Semiconductor, Inc. + * Copyright 2008-2011 Freescale Semiconductor, Inc. * * (C) Copyright 2000 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. @@ -90,6 +90,17 @@ struct fsl_e_tlb_entry tlb_table[] = { SET_TLB_ENTRY(1, PIXIS_BASE, PIXIS_BASE_PHYS, MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 0, 8, BOOKE_PAGESZ_4K, 1), + +#if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L2_ADDR) + /* *I*G - L2SRAM */ + SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR, CONFIG_SYS_INIT_L2_ADDR_PHYS, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 9, BOOKE_PAGESZ_256K, 1), + SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR + 0x40000, + CONFIG_SYS_INIT_L2_ADDR_PHYS + 0x40000, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 10, BOOKE_PAGESZ_256K, 1), +#endif }; int num_tlb_entries = ARRAY_SIZE(tlb_table); |