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https://github.com/brain-hackers/u-boot-brain
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3365b4eb55
The init code for UMC (Unified Memory Controller) and PLL has not been mainlined yet, but U-boot proper should work. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
53 lines
861 B
C
53 lines
861 B
C
/*
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* Copyright (C) 2015 Masahiro Yamada <yamada.masahiro@socionext.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <linux/types.h>
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#include <linux/sizes.h>
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#include <mach/sg-regs.h>
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static inline u32 sg_memconf_val_ch2(unsigned long size, int num)
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{
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int size_mb = size / num;
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u32 ret;
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switch (size_mb) {
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case SZ_64M:
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ret = SG_MEMCONF_CH2_SZ_64M;
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break;
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case SZ_128M:
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ret = SG_MEMCONF_CH2_SZ_128M;
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break;
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case SZ_256M:
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ret = SG_MEMCONF_CH2_SZ_256M;
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break;
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case SZ_512M:
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ret = SG_MEMCONF_CH2_SZ_512M;
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break;
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default:
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BUG();
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break;
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}
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switch (num) {
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case 1:
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ret |= SG_MEMCONF_CH2_NUM_1;
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break;
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case 2:
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ret |= SG_MEMCONF_CH2_NUM_2;
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break;
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default:
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BUG();
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break;
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}
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return ret;
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}
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u32 memconf_additional_val(void)
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{
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return sg_memconf_val_ch2(CONFIG_SDRAM2_SIZE, CONFIG_DDR_NUM_CH2);
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}
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