diff options
Diffstat (limited to 'qemu/roms/u-boot/board/freescale/m54451evb/m54451evb.c')
-rw-r--r-- | qemu/roms/u-boot/board/freescale/m54451evb/m54451evb.c | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/qemu/roms/u-boot/board/freescale/m54451evb/m54451evb.c b/qemu/roms/u-boot/board/freescale/m54451evb/m54451evb.c deleted file mode 100644 index d2ad42c08..000000000 --- a/qemu/roms/u-boot/board/freescale/m54451evb/m54451evb.c +++ /dev/null @@ -1,94 +0,0 @@ -/* - * (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); -} |