diff options
Diffstat (limited to 'board/freescale/m52277evb/m52277evb.c')
-rw-r--r-- | board/freescale/m52277evb/m52277evb.c | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/board/freescale/m52277evb/m52277evb.c b/board/freescale/m52277evb/m52277evb.c deleted file mode 100644 index 510af33e4c..0000000000 --- a/board/freescale/m52277evb/m52277evb.c +++ /dev/null @@ -1,94 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * (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) - */ - -#include <common.h> -#include <init.h> -#include <asm/global_data.h> -#include <asm/immap.h> -#include <asm/io.h> -#include <linux/delay.h> - -DECLARE_GLOBAL_DATA_PTR; - -int checkboard(void) -{ - puts("Board: "); - puts("Freescale M52277 EVB\n"); - return 0; -}; - -int dram_init(void) -{ - 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; - - 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); - - /* Issue PALL */ - out_be32(&sdram->sdcr, CONFIG_SYS_SDRAM_CTRL | 2); - __asm__("nop"); - - /* Issue LEMR */ - out_be32(&sdram->sdmr, CONFIG_SYS_SDRAM_MODE); - __asm__("nop"); - out_be32(&sdram->sdmr, CONFIG_SYS_SDRAM_EMOD); - __asm__("nop"); - - udelay(1000); - - /* 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"); - - out_be32(&sdram->sdcr, - (CONFIG_SYS_SDRAM_CTRL & ~0x80000000) | 0x10000c00); - - udelay(100); -#endif - gd->ram_size = dramsize; - - return 0; -}; - -int testdram(void) -{ - /* TODO: XXX XXX XXX */ - printf("DRAM test not implemented!\n"); - - return (0); -} |