diff options
Diffstat (limited to 'roms/u-boot/board/freescale/m548xevb')
| -rw-r--r-- | roms/u-boot/board/freescale/m548xevb/Makefile | 8 | ||||
| -rw-r--r-- | roms/u-boot/board/freescale/m548xevb/config.mk | 9 | ||||
| -rw-r--r-- | roms/u-boot/board/freescale/m548xevb/m548xevb.c | 104 | ||||
| -rw-r--r-- | roms/u-boot/board/freescale/m548xevb/u-boot.lds | 83 |
4 files changed, 204 insertions, 0 deletions
diff --git a/roms/u-boot/board/freescale/m548xevb/Makefile b/roms/u-boot/board/freescale/m548xevb/Makefile new file mode 100644 index 00000000..4483d159 --- /dev/null +++ b/roms/u-boot/board/freescale/m548xevb/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 = m548xevb.o diff --git a/roms/u-boot/board/freescale/m548xevb/config.mk b/roms/u-boot/board/freescale/m548xevb/config.mk new file mode 100644 index 00000000..45474652 --- /dev/null +++ b/roms/u-boot/board/freescale/m548xevb/config.mk @@ -0,0 +1,9 @@ +# +# (C) Copyright 2000-2003 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# Coldfire contribution by Bernhard Kuhn <bkuhn@metrowerks.com> +# +# SPDX-License-Identifier: GPL-2.0+ +# + +CONFIG_SYS_TEXT_BASE = 0xFF800000 diff --git a/roms/u-boot/board/freescale/m548xevb/m548xevb.c b/roms/u-boot/board/freescale/m548xevb/m548xevb.c new file mode 100644 index 00000000..05361550 --- /dev/null +++ b/roms/u-boot/board/freescale/m548xevb/m548xevb.c @@ -0,0 +1,104 @@ +/* + * (C) Copyright 2000-2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc. + * TsiChung Liew (Tsi-Chung.Liew@freescale.com) + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <config.h> +#include <common.h> +#include <pci.h> +#include <asm/immap.h> +#include <asm/io.h> + +DECLARE_GLOBAL_DATA_PTR; + +int checkboard(void) +{ + puts("Board: "); + puts("Freescale FireEngine 5485 EVB\n"); + return 0; +}; + +phys_size_t initdram(int board_type) +{ + siu_t *siu = (siu_t *) (MMAP_SIU); + sdram_t *sdram = (sdram_t *)(MMAP_SDRAM); + u32 dramsize, i; +#ifdef CONFIG_SYS_DRAMSZ1 + u32 temp; +#endif + + out_be32(&siu->drv, CONFIG_SYS_SDRAM_DRVSTRENGTH); + + dramsize = CONFIG_SYS_DRAMSZ * 0x100000; + for (i = 0x13; i < 0x20; i++) { + if (dramsize == (1 << i)) + break; + } + i--; + out_be32(&siu->cs0cfg, CONFIG_SYS_SDRAM_BASE | i); + +#ifdef CONFIG_SYS_DRAMSZ1 + temp = CONFIG_SYS_DRAMSZ1 * 0x100000; + for (i = 0x13; i < 0x20; i++) { + if (temp == (1 << i)) + break; + } + i--; + dramsize += temp; + out_be32(&siu->cs1cfg, (CONFIG_SYS_SDRAM_BASE + temp) | i); +#endif + + out_be32(&sdram->cfg1, CONFIG_SYS_SDRAM_CFG1); + out_be32(&sdram->cfg2, CONFIG_SYS_SDRAM_CFG2); + + /* Issue PALL */ + out_be32(&sdram->ctrl, CONFIG_SYS_SDRAM_CTRL | 2); + + /* Issue LEMR */ + out_be32(&sdram->mode, CONFIG_SYS_SDRAM_EMOD); + out_be32(&sdram->mode, CONFIG_SYS_SDRAM_MODE | 0x04000000); + + udelay(500); + + /* Issue PALL */ + out_be32(&sdram->ctrl, CONFIG_SYS_SDRAM_CTRL | 2); + + /* Perform two refresh cycles */ + out_be32(&sdram->ctrl, CONFIG_SYS_SDRAM_CTRL | 4); + out_be32(&sdram->ctrl, CONFIG_SYS_SDRAM_CTRL | 4); + + out_be32(&sdram->mode, CONFIG_SYS_SDRAM_MODE); + + out_be32(&sdram->ctrl, + (CONFIG_SYS_SDRAM_CTRL & ~0x80000000) | 0x10000F00); + + udelay(100); + + return dramsize; +}; + +int testdram(void) +{ + /* TODO: XXX XXX XXX */ + printf("DRAM test not implemented!\n"); + + return (0); +} + +#if defined(CONFIG_PCI) +/* + * Initialize PCI devices, report devices found. + */ +static struct pci_controller hose; +extern void pci_mcf547x_8x_init(struct pci_controller *hose); + +void pci_init_board(void) +{ + pci_mcf547x_8x_init(&hose); +} +#endif /* CONFIG_PCI */ diff --git a/roms/u-boot/board/freescale/m548xevb/u-boot.lds b/roms/u-boot/board/freescale/m548xevb/u-boot.lds new file mode 100644 index 00000000..cd6aed68 --- /dev/null +++ b/roms/u-boot/board/freescale/m548xevb/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/mcf547x_8x/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 = .); +} |