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>
80 lines
1.5 KiB
C
80 lines
1.5 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Actions Semi Owl SoCs platform support.
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*
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* Copyright (C) 2018 Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
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*/
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#include <cpu_func.h>
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#include <init.h>
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#include <asm/cache.h>
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#include <asm/global_data.h>
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#include <linux/arm-smccc.h>
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#include <linux/psci.h>
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#include <common.h>
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#include <asm/io.h>
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#include <asm/mach-types.h>
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#include <asm/psci.h>
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#define DMM_INTERLEAVE_PER_CH_CFG 0xe0290028
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DECLARE_GLOBAL_DATA_PTR;
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unsigned int owl_get_ddrcap(void)
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{
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unsigned int val, cap;
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/* ddr capacity register initialized by ddr driver
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* in early bootloader
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*/
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#if defined(CONFIG_MACH_S700)
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val = (readl(DMM_INTERLEAVE_PER_CH_CFG) >> 8) & 0x7;
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cap = (val + 1) * 256;
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#elif defined(CONFIG_MACH_S900)
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val = (readl(DMM_INTERLEAVE_PER_CH_CFG) >> 8) & 0xf;
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cap = 64 * (1 << val);
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#endif
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return cap;
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}
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/*
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* dram_init - sets uboots idea of sdram size
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*/
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int dram_init(void)
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{
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gd->ram_size = owl_get_ddrcap() * 1024 * 1024;
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return 0;
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}
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/* This is called after dram_init() so use get_ram_size result */
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int dram_init_banksize(void)
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{
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gd->bd->bi_dram[0].start = CFG_SYS_SDRAM_BASE;
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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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static void show_psci_version(void)
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{
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struct arm_smccc_res res;
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arm_smccc_smc(ARM_PSCI_0_2_FN_PSCI_VERSION, 0, 0, 0, 0, 0, 0, 0, &res);
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printf("PSCI: v%ld.%ld\n",
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PSCI_VERSION_MAJOR(res.a0),
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PSCI_VERSION_MINOR(res.a0));
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}
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int board_init(void)
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{
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show_psci_version();
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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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psci_system_reset();
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}
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