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https://github.com/brain-hackers/u-boot-brain
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192445b39c
Add stimer_init() for spl/tpl so that we able to switch to use arch timer. Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
81 lines
1.6 KiB
C
81 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2017 Theobroma Systems Design und Consulting GmbH
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*/
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#include <common.h>
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#include <debug_uart.h>
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#include <dm.h>
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#include <ram.h>
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#include <spl.h>
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#include <asm/io.h>
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#include <asm/arch-rockchip/periph.h>
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__weak int arch_cpu_init(void)
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{
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return 0;
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}
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#define TIMER_LOAD_COUNT_L 0x00
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#define TIMER_LOAD_COUNT_H 0x04
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#define TIMER_CONTROL_REG 0x10
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#define TIMER_EN 0x1
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#define TIMER_FMODE BIT(0)
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#define TIMER_RMODE BIT(1)
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void rockchip_stimer_init(void)
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{
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/* If Timer already enabled, don't re-init it */
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u32 reg = readl(CONFIG_ROCKCHIP_STIMER_BASE + TIMER_CONTROL_REG);
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if (reg & TIMER_EN)
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return;
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writel(0, CONFIG_ROCKCHIP_STIMER_BASE + TIMER_CONTROL_REG);
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writel(0xffffffff, CONFIG_ROCKCHIP_STIMER_BASE);
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writel(0xffffffff, CONFIG_ROCKCHIP_STIMER_BASE + 4);
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writel(TIMER_EN | TIMER_FMODE, CONFIG_ROCKCHIP_STIMER_BASE +
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TIMER_CONTROL_REG);
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}
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void board_init_f(ulong dummy)
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{
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struct udevice *dev;
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int ret;
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ret = spl_early_init();
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if (ret) {
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debug("spl_early_init() failed: %d\n", ret);
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hang();
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}
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/* Init secure timer */
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rockchip_stimer_init();
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/* Init ARM arch timer in arch/arm/cpu/armv7/arch_timer.c */
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timer_init();
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arch_cpu_init();
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preloader_console_init();
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ret = uclass_get_device(UCLASS_RAM, 0, &dev);
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if (ret) {
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debug("DRAM init failed: %d\n", ret);
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return;
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}
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}
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u32 spl_boot_device(void)
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{
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return BOOT_DEVICE_MMC1;
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}
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#ifdef CONFIG_SPL_LOAD_FIT
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int board_fit_config_name_match(const char *name)
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{
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/* Just empty function now - can't decide what to choose */
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debug("%s: %s\n", __func__, name);
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return 0;
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}
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#endif
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