diff options
author | Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
---|---|---|
committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/board/freescale/m54451evb | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/board/freescale/m54451evb')
-rw-r--r-- | qemu/roms/u-boot/board/freescale/m54451evb/Makefile | 8 | ||||
-rw-r--r-- | qemu/roms/u-boot/board/freescale/m54451evb/m54451evb.c | 94 | ||||
-rw-r--r-- | qemu/roms/u-boot/board/freescale/m54451evb/u-boot.lds | 83 |
3 files changed, 185 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/freescale/m54451evb/Makefile b/qemu/roms/u-boot/board/freescale/m54451evb/Makefile new file mode 100644 index 000000000..700ea2a74 --- /dev/null +++ b/qemu/roms/u-boot/board/freescale/m54451evb/Makefile @@ -0,0 +1,8 @@ +# +# (C) Copyright 2000-2003 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y = m54451evb.o diff --git a/qemu/roms/u-boot/board/freescale/m54451evb/m54451evb.c b/qemu/roms/u-boot/board/freescale/m54451evb/m54451evb.c new file mode 100644 index 000000000..d2ad42c08 --- /dev/null +++ b/qemu/roms/u-boot/board/freescale/m54451evb/m54451evb.c @@ -0,0 +1,94 @@ +/* + * (C) Copyright 2000-2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Copyright (C) 2004-2008, 2012 Freescale Semiconductor, Inc. + * TsiChung Liew (Tsi-Chung.Liew@freescale.com) + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <spi.h> +#include <asm/immap.h> +#include <asm/io.h> + +DECLARE_GLOBAL_DATA_PTR; + +int checkboard(void) +{ + /* + * need to to: + * Check serial flash size. if 2mb evb, else 8mb demo + */ + puts("Board: "); + puts("Freescale M54451 EVB\n"); + return 0; +}; + +phys_size_t initdram(int board_type) +{ + u32 dramsize; +#ifdef CONFIG_CF_SBF + /* + * Serial Boot: The dram is already initialized in start.S + * only require to return DRAM size + */ + dramsize = CONFIG_SYS_SDRAM_SIZE * 0x100000; +#else + sdramc_t *sdram = (sdramc_t *)(MMAP_SDRAM); + gpio_t *gpio = (gpio_t *)(MMAP_GPIO); + u32 i; + + dramsize = CONFIG_SYS_SDRAM_SIZE * 0x100000; + + if ((in_be32(&sdram->sdcfg1) == CONFIG_SYS_SDRAM_CFG1) && + (in_be32(&sdram->sdcfg2) == CONFIG_SYS_SDRAM_CFG2)) + return dramsize; + + for (i = 0x13; i < 0x20; i++) { + if (dramsize == (1 << i)) + break; + } + i--; + + out_8(&gpio->mscr_sdram, CONFIG_SYS_SDRAM_DRV_STRENGTH); + + out_be32(&sdram->sdcs0, CONFIG_SYS_SDRAM_BASE | i); + + out_be32(&sdram->sdcfg1, CONFIG_SYS_SDRAM_CFG1); + out_be32(&sdram->sdcfg2, CONFIG_SYS_SDRAM_CFG2); + + udelay(200); + + /* Issue PALL */ + out_be32(&sdram->sdcr, CONFIG_SYS_SDRAM_CTRL | 2); + __asm__("nop"); + + /* Perform two refresh cycles */ + out_be32(&sdram->sdcr, CONFIG_SYS_SDRAM_CTRL | 4); + __asm__("nop"); + out_be32(&sdram->sdcr, CONFIG_SYS_SDRAM_CTRL | 4); + __asm__("nop"); + + /* Issue LEMR */ + out_be32(&sdram->sdmr, CONFIG_SYS_SDRAM_MODE); + __asm__("nop"); + out_be32(&sdram->sdmr, CONFIG_SYS_SDRAM_MODE); + __asm__("nop"); + + out_be32(&sdram->sdcr, + (CONFIG_SYS_SDRAM_CTRL & ~0x80000000) | 0x10000000); + + udelay(100); +#endif + return (dramsize); +}; + +int testdram(void) +{ + /* TODO: XXX XXX XXX */ + printf("DRAM test not implemented!\n"); + + return (0); +} diff --git a/qemu/roms/u-boot/board/freescale/m54451evb/u-boot.lds b/qemu/roms/u-boot/board/freescale/m54451evb/u-boot.lds new file mode 100644 index 000000000..413ca531d --- /dev/null +++ b/qemu/roms/u-boot/board/freescale/m54451evb/u-boot.lds @@ -0,0 +1,83 @@ +/* + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +OUTPUT_ARCH(m68k) + +SECTIONS +{ + /* Read-only sections, merged into text segment: */ + .text : + { + arch/m68k/cpu/mcf5445x/start.o (.text*) + + *(.text*) + } + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) + } + + /* Read-write section, merged into data segment: */ + . = (. + 0x00FF) & 0xFFFFFF00; + _erotext = .; + PROVIDE (erotext = .); + + .reloc : + { + __got_start = .; + KEEP(*(.got)) + __got_end = .; + _GOT2_TABLE_ = .; + KEEP(*(.got2)) + _FIXUP_TABLE_ = .; + KEEP(*(.fixup)) + } + __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; + __fixup_entries = (. - _FIXUP_TABLE_)>>2; + + .data : + { + *(.data*) + *(.sdata*) + } + _edata = .; + PROVIDE (edata = .); + + . = .; + + . = ALIGN(4); + .u_boot_list : { + KEEP(*(SORT(.u_boot_list*))); + } + + . = .; + __start___ex_table = .; + __ex_table : { *(__ex_table) } + __stop___ex_table = .; + + . = ALIGN(256); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(256); + __init_end = .; + + __bss_start = .; + .bss (NOLOAD) : + { + _sbss = .; + *(.bss*) + *(.sbss*) + *(COMMON) + . = ALIGN(4); + _ebss = .; + } + __bss_end = . ; + PROVIDE (end = .); +} |