mirror of
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>
55 lines
969 B
C
55 lines
969 B
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2017 Renesas Electronics
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* Copyright (C) Chris Brandt
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*/
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#include <common.h>
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#include <cpu_func.h>
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#include <init.h>
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#include <asm/global_data.h>
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#include <asm/io.h>
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#include <asm/arch/sys_proto.h>
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#define RZA1_WDT_BASE 0xfcfe0000
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#define WTCSR 0x00
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#define WTCNT 0x02
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#define WRCSR 0x04
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DECLARE_GLOBAL_DATA_PTR;
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int board_init(void)
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{
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gd->bd->bi_boot_params = (CFG_SYS_SDRAM_BASE + 0x100);
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return 0;
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}
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int dram_init(void)
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{
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if (fdtdec_setup_mem_size_base() != 0)
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return -EINVAL;
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return 0;
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}
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int dram_init_banksize(void)
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{
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fdtdec_setup_memory_banksize();
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return 0;
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}
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void reset_cpu(void)
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{
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/* Dummy read (must read WRCSR:WOVF at least once before clearing) */
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readb(RZA1_WDT_BASE + WRCSR);
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writew(0xa500, RZA1_WDT_BASE + WRCSR);
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writew(0x5a5f, RZA1_WDT_BASE + WRCSR);
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writew(0x5a00, RZA1_WDT_BASE + WTCNT);
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writew(0xa578, RZA1_WDT_BASE + WTCSR);
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for (;;)
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asm volatile("wfi");
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}
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