u-boot/board/freescale/m5272c3/m5272c3.c
Simon Glass 088454cde2 board_f: Drop return value from initdram()
At present we cannot use this function as an init sequence call without a
wrapper, since it returns the RAM size. Adjust it to set the RAM size in
global_data instead, and return 0 on success.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Stefan Roese <sr@denx.de>
2017-04-05 13:59:20 -04:00

42 lines
788 B
C

/*
* (C) Copyright 2000-2003
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* Copyright (C) 2012 Freescale Semiconductor, Inc. All Rights Reserved.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/immap.h>
#include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR;
int checkboard (void) {
puts ("Board: ");
puts ("Freescale MCF5272C3 EVB\n");
return 0;
};
int initdram(void)
{
sdramctrl_t * sdp = (sdramctrl_t *)(MMAP_SDRAM);
out_be16(&sdp->sdram_sdtr, 0xf539);
out_be16(&sdp->sdram_sdcr, 0x4211);
/* Dummy write to start SDRAM */
*((volatile unsigned long *)0) = 0;
gd->ram_size = CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
return 0;
};
int testdram (void) {
/* TODO: XXX XXX XXX */
printf ("DRAM test not implemented!\n");
return (0);
}