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https://github.com/AsahiLinux/u-boot
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aa6e94deab
The rest of the unmigrated CONFIG symbols in the CONFIG_SYS_SDRAM namespace do not easily transition to Kconfig. In many cases they likely should come from the device tree instead. Move these out of CONFIG namespace and in to CFG namespace. Signed-off-by: Tom Rini <trini@konsulko.com> Reviewed-by: Simon Glass <sjg@chromium.org>
54 lines
1.1 KiB
C
54 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2016 Stefan Roese <sr@denx.de>
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*/
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#include <common.h>
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#include <asm/arch/cpu.h>
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#include <asm/arch/soc.h>
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#include <asm/global_data.h>
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#include <asm/ptrace.h>
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#include <asm/system.h>
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#include <linux/sizes.h>
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DECLARE_GLOBAL_DATA_PTR;
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#define MV_SIP_DRAM_SIZE 0x82000010
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u64 a8k_dram_scan_ap_sz(void)
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{
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struct pt_regs pregs;
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pregs.regs[0] = MV_SIP_DRAM_SIZE;
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pregs.regs[1] = SOC_REGS_PHY_BASE;
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smc_call(&pregs);
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return pregs.regs[0];
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}
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int a8k_dram_init_banksize(void)
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{
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/*
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* The firmware (ATF) leaves a 1G whole above the 3G mark for IO
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* devices. Higher RAM is mapped at 4G.
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*
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* Config 2 DRAM banks:
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* Bank 0 - max size 4G - 1G
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* Bank 1 - ram size - 4G + 1G
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*/
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phys_size_t max_bank0_size = SZ_4G - SZ_1G;
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gd->bd->bi_dram[0].start = CFG_SYS_SDRAM_BASE;
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if (gd->ram_size <= max_bank0_size) {
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gd->bd->bi_dram[0].size = gd->ram_size;
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return 0;
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}
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gd->bd->bi_dram[0].size = max_bank0_size;
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if (CONFIG_NR_DRAM_BANKS > 1) {
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gd->bd->bi_dram[1].start = SZ_4G;
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gd->bd->bi_dram[1].size = gd->ram_size - max_bank0_size;
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}
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return 0;
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}
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