105 lines
1.7 KiB
C
105 lines
1.7 KiB
C
/*
|
|
* Copyright (C) 2011-2015 Panasonic Corporation
|
|
* Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <linux/sizes.h>
|
|
#include <asm/io.h>
|
|
#include <mach/sg-regs.h>
|
|
|
|
static inline u32 sg_memconf_val_ch0(unsigned long size, int num)
|
|
{
|
|
int size_mb = size / num;
|
|
u32 ret;
|
|
|
|
switch (size_mb) {
|
|
case SZ_64M:
|
|
ret = SG_MEMCONF_CH0_SZ_64M;
|
|
break;
|
|
case SZ_128M:
|
|
ret = SG_MEMCONF_CH0_SZ_128M;
|
|
break;
|
|
case SZ_256M:
|
|
ret = SG_MEMCONF_CH0_SZ_256M;
|
|
break;
|
|
case SZ_512M:
|
|
ret = SG_MEMCONF_CH0_SZ_512M;
|
|
break;
|
|
case SZ_1G:
|
|
ret = SG_MEMCONF_CH0_SZ_1G;
|
|
break;
|
|
default:
|
|
BUG();
|
|
break;
|
|
}
|
|
|
|
switch (num) {
|
|
case 1:
|
|
ret |= SG_MEMCONF_CH0_NUM_1;
|
|
break;
|
|
case 2:
|
|
ret |= SG_MEMCONF_CH0_NUM_2;
|
|
break;
|
|
default:
|
|
BUG();
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static inline u32 sg_memconf_val_ch1(unsigned long size, int num)
|
|
{
|
|
int size_mb = size / num;
|
|
u32 ret;
|
|
|
|
switch (size_mb) {
|
|
case SZ_64M:
|
|
ret = SG_MEMCONF_CH1_SZ_64M;
|
|
break;
|
|
case SZ_128M:
|
|
ret = SG_MEMCONF_CH1_SZ_128M;
|
|
break;
|
|
case SZ_256M:
|
|
ret = SG_MEMCONF_CH1_SZ_256M;
|
|
break;
|
|
case SZ_512M:
|
|
ret = SG_MEMCONF_CH1_SZ_512M;
|
|
break;
|
|
case SZ_1G:
|
|
ret = SG_MEMCONF_CH1_SZ_1G;
|
|
break;
|
|
default:
|
|
BUG();
|
|
break;
|
|
}
|
|
|
|
switch (num) {
|
|
case 1:
|
|
ret |= SG_MEMCONF_CH1_NUM_1;
|
|
break;
|
|
case 2:
|
|
ret |= SG_MEMCONF_CH1_NUM_2;
|
|
break;
|
|
default:
|
|
BUG();
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
void memconf_init(void)
|
|
{
|
|
u32 tmp;
|
|
|
|
/* Set DDR size */
|
|
tmp = sg_memconf_val_ch0(CONFIG_SDRAM0_SIZE, CONFIG_DDR_NUM_CH0);
|
|
tmp |= sg_memconf_val_ch1(CONFIG_SDRAM1_SIZE, CONFIG_DDR_NUM_CH1);
|
|
#if CONFIG_SDRAM0_BASE + CONFIG_SDRAM0_SIZE < CONFIG_SDRAM1_BASE
|
|
tmp |= SG_MEMCONF_SPARSEMEM;
|
|
#endif
|
|
writel(tmp, SG_MEMCONF);
|
|
}
|