diff options
Diffstat (limited to 'arch/arm/cpu/armv7/am33xx')
| -rw-r--r-- | arch/arm/cpu/armv7/am33xx/board.c | 4 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/am33xx/ddr.c | 12 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/am33xx/u-boot-spl.lds | 67 |
3 files changed, 78 insertions, 5 deletions
diff --git a/arch/arm/cpu/armv7/am33xx/board.c b/arch/arm/cpu/armv7/am33xx/board.c index ab313265d0..e35a3e3a70 100644 --- a/arch/arm/cpu/armv7/am33xx/board.c +++ b/arch/arm/cpu/armv7/am33xx/board.c @@ -56,11 +56,11 @@ int cpu_mmc_init(bd_t *bis) { int ret; - ret = omap_mmc_init(0, 0, 0); + ret = omap_mmc_init(0, 0, 0, -1, -1); if (ret) return ret; - return omap_mmc_init(1, 0, 0); + return omap_mmc_init(1, 0, 0, -1, -1); } #endif diff --git a/arch/arm/cpu/armv7/am33xx/ddr.c b/arch/arm/cpu/armv7/am33xx/ddr.c index fd9fc4a720..448cc40157 100644 --- a/arch/arm/cpu/armv7/am33xx/ddr.c +++ b/arch/arm/cpu/armv7/am33xx/ddr.c @@ -45,13 +45,19 @@ static struct ddr_cmdtctrl *ioctrl_reg = { */ void config_sdram(const struct emif_regs *regs) { - writel(regs->ref_ctrl, &emif_reg->emif_sdram_ref_ctrl); - writel(regs->ref_ctrl, &emif_reg->emif_sdram_ref_ctrl_shdw); - if (regs->zq_config){ + if (regs->zq_config) { + /* + * A value of 0x2800 for the REF CTRL will give us + * about 570us for a delay, which will be long enough + * to configure things. + */ + writel(0x2800, &emif_reg->emif_sdram_ref_ctrl); writel(regs->zq_config, &emif_reg->emif_zq_config); writel(regs->sdram_config, &cstat->secure_emif_sdram_config); } writel(regs->sdram_config, &emif_reg->emif_sdram_config); + writel(regs->ref_ctrl, &emif_reg->emif_sdram_ref_ctrl); + writel(regs->ref_ctrl, &emif_reg->emif_sdram_ref_ctrl_shdw); } /** diff --git a/arch/arm/cpu/armv7/am33xx/u-boot-spl.lds b/arch/arm/cpu/armv7/am33xx/u-boot-spl.lds new file mode 100644 index 0000000000..b6a929ff7e --- /dev/null +++ b/arch/arm/cpu/armv7/am33xx/u-boot-spl.lds @@ -0,0 +1,67 @@ +/* + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de> + * + * (C) Copyright 2010 + * Texas Instruments, <www.ti.com> + * Aneesh V <aneesh@ti.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 + */ + +MEMORY { .sram : ORIGIN = CONFIG_SPL_TEXT_BASE,\ + LENGTH = CONFIG_SPL_MAX_SIZE } +MEMORY { .sdram : ORIGIN = CONFIG_SPL_BSS_START_ADDR, \ + LENGTH = CONFIG_SPL_BSS_MAX_SIZE } + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +ENTRY(_start) +SECTIONS +{ + .text : + { + __start = .; + arch/arm/cpu/armv7/start.o (.text) + *(.text*) + } >.sram + + . = ALIGN(4); + .rodata : { *(SORT_BY_ALIGNMENT(.rodata*)) } >.sram + + . = ALIGN(4); + .data : { *(SORT_BY_ALIGNMENT(.data*)) } >.sram + + .u_boot_list : { + KEEP(*(SORT(.u_boot_list*))); + } >.sram + + . = ALIGN(4); + __image_copy_end = .; + _end = .; + + .bss : + { + . = ALIGN(4); + __bss_start = .; + *(.bss*) + . = ALIGN(4); + __bss_end = .; + } >.sdram +} |