diff options
Diffstat (limited to 'board')
| -rw-r--r-- | board/ti/am335x/Makefile | 2 | ||||
| -rw-r--r-- | board/ti/am335x/board.c | 33 | ||||
| -rw-r--r-- | board/ti/am335x/mux.c | 6 | ||||
| -rw-r--r-- | board/ti/am335x/u-boot.lds | 117 |
4 files changed, 151 insertions, 7 deletions
diff --git a/board/ti/am335x/Makefile b/board/ti/am335x/Makefile index cb2b999..3dbeeda 100644 --- a/board/ti/am335x/Makefile +++ b/board/ti/am335x/Makefile @@ -10,7 +10,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(BOARD).o -ifdef CONFIG_SPL_BUILD +ifeq ($(CONFIG_SPL_BUILD)$(CONFIG_NOR_BOOT),y) COBJS := mux.o endif diff --git a/board/ti/am335x/board.c b/board/ti/am335x/board.c index b12341d..728afc2 100644 --- a/board/ti/am335x/board.c +++ b/board/ti/am335x/board.c @@ -83,7 +83,7 @@ static int read_eeprom(struct am335x_baseboard_id *header) return 0; } -#ifdef CONFIG_SPL_BUILD +#if defined(CONFIG_SPL_BUILD) || defined(CONFIG_NOR_BOOT) static const struct ddr_data ddr2_data = { .datardsratio0 = ((MT47H128M16RT25E_RD_DQS<<30) | (MT47H128M16RT25E_RD_DQS<<20) | @@ -249,10 +249,28 @@ int spl_start_uboot(void) */ void s_init(void) { -#ifdef CONFIG_SPL_BUILD - struct am335x_baseboard_id header; + __maybe_unused struct am335x_baseboard_id header; /* + * The ROM will only have set up sufficient pinmux to allow for the + * first 4KiB NOR to be read, we must finish doing what we know of + * the NOR mux in this space in order to continue. + */ +#ifdef CONFIG_NOR_BOOT + asm("stmfd sp!, {r2 - r4}"); + asm("movw r4, #0x8A4"); + asm("movw r3, #0x44E1"); + asm("orr r4, r4, r3, lsl #16"); + asm("mov r2, #9"); + asm("mov r3, #8"); + asm("gpmc_mux: str r2, [r4], #4"); + asm("subs r3, r3, #1"); + asm("bne gpmc_mux"); + asm("ldmfd sp!, {r2 - r4}"); +#endif + +#ifdef CONFIG_SPL_BUILD + /* * Save the boot parameters passed from romcode. * We cannot delay the saving further than this, * to prevent overwrites. @@ -270,7 +288,7 @@ void s_init(void) while (readl(&wdtimer->wdtwwps) != 0x0) ; -#ifdef CONFIG_SPL_BUILD +#if defined(CONFIG_SPL_BUILD) || defined(CONFIG_NOR_BOOT) /* Setup the PLLs and the clocks for the peripherals */ pll_init(); @@ -298,9 +316,16 @@ void s_init(void) uart_soft_reset(); +#if defined(CONFIG_NOR_BOOT) + /* We want our console now. */ + gd->baudrate = CONFIG_BAUDRATE; + serial_init(); + gd->have_console = 1; +#else gd = &gdata; preloader_console_init(); +#endif /* Initalize the board header */ enable_i2c0_pin_mux(); diff --git a/board/ti/am335x/mux.c b/board/ti/am335x/mux.c index 187468e..5b7ed63 100644 --- a/board/ti/am335x/mux.c +++ b/board/ti/am335x/mux.c @@ -190,7 +190,7 @@ static struct module_pin_mux nand_pin_mux[] = { {-1}, }; -#if defined(CONFIG_NOR) +#if defined(CONFIG_NOR) && !defined(CONFIG_NOR_BOOT) static struct module_pin_mux bone_norcape_pin_mux[] = { {OFFSET(lcd_data0), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A0 */ {OFFSET(lcd_data1), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A1 */ @@ -317,8 +317,10 @@ void enable_board_pin_mux(struct am335x_baseboard_id *header) configure_module_pin_mux(i2c1_pin_mux); configure_module_pin_mux(mii1_pin_mux); configure_module_pin_mux(mmc0_pin_mux); +#ifndef CONFIG_NOR configure_module_pin_mux(mmc1_pin_mux); -#if defined(CONFIG_NOR) +#endif +#if defined(CONFIG_NOR) && !defined(CONFIG_NOR_BOOT) configure_module_pin_mux(bone_norcape_pin_mux); #endif } else if (board_is_gp_evm(header)) { diff --git a/board/ti/am335x/u-boot.lds b/board/ti/am335x/u-boot.lds new file mode 100644 index 0000000..a173f62 --- /dev/null +++ b/board/ti/am335x/u-boot.lds @@ -0,0 +1,117 @@ +/* + * Copyright (c) 2004-2008 Texas Instruments + * + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de> + * + * 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 + */ + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +ENTRY(_start) +SECTIONS +{ + . = 0x00000000; + + . = ALIGN(4); + .text : + { + *(.__image_copy_start) + CPUDIR/start.o (.text*) + board/ti/am335x/libam335x.o (.text*) + *(.text*) + } + + . = ALIGN(4); + .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) } + + . = ALIGN(4); + .data : { + *(.data*) + } + + . = ALIGN(4); + + . = .; + + . = ALIGN(4); + .u_boot_list : { + KEEP(*(SORT(.u_boot_list*))); + } + + . = ALIGN(4); + + .image_copy_end : + { + *(.__image_copy_end) + } + + .rel_dyn_start : + { + *(.__rel_dyn_start) + } + + .rel.dyn : { + *(.rel*) + } + + .rel_dyn_end : + { + *(.__rel_dyn_end) + } + + _end = .; + + /* + * Deprecated: this MMU section is used by pxa at present but + * should not be used by new boards/CPUs. + */ + . = ALIGN(4096); + .mmutable : { + *(.mmutable) + } + +/* + * Compiler-generated __bss_start and __bss_end, see arch/arm/lib/bss.c + * __bss_base and __bss_limit are for linker only (overlay ordering) + */ + + .bss_start __rel_dyn_start (OVERLAY) : { + KEEP(*(.__bss_start)); + __bss_base = .; + } + + .bss __bss_base (OVERLAY) : { + *(.bss*) + . = ALIGN(4); + __bss_limit = .; + } + + .bss_end __bss_limit (OVERLAY) : { + KEEP(*(.__bss_end)); + } + + /DISCARD/ : { *(.dynsym) } + /DISCARD/ : { *(.dynstr*) } + /DISCARD/ : { *(.dynamic*) } + /DISCARD/ : { *(.plt*) } + /DISCARD/ : { *(.interp*) } + /DISCARD/ : { *(.gnu*) } +} |