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/*
* (C) Copyright 2017 Theobroma Systems Design und Consulting GmbH
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <debug_uart.h>
#include <dm.h>
#include <dm/pinctrl.h>
#include <ram.h>
#include <spl.h>
#include <asm/io.h>
#include <asm/arch/cru_rk3368.h>
#include <asm/arch/grf_rk3368.h>
#include <asm/arch/hardware.h>
#include <asm/arch/periph.h>
#include <asm/arch/timer.h>
DECLARE_GLOBAL_DATA_PTR;
/*
* The ARMv8 generic timer uses the STIMER1 as its clock-source.
* Set up the STIMER1 to free-running (i.e. auto-reload) to start
* the generic timer counting (if we don't do this, udelay will not
* work and block indefinitively).
*/
static void secure_timer_init(void)
{
struct rk_timer * const stimer1 =
(struct rk_timer * const)0xff830020;
const u32 TIMER_EN = BIT(0);
writel(~0u, &stimer1->timer_load_count0);
writel(~0u, &stimer1->timer_load_count1);
writel(TIMER_EN, &stimer1->timer_ctrl_reg);
}
void board_debug_uart_init(void)
{
}
void board_init_f(ulong dummy)
{
struct udevice *pinctrl;
struct udevice *dev;
int ret;
ret = spl_early_init();
if (ret) {
debug("spl_early_init() failed: %d\n", ret);
hang();
}
/* Make sure the ARMv8 generic timer counts */
secure_timer_init();
/* Set up our preloader console */
ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
if (ret) {
error("%s: pinctrl init failed: %d\n", __func__, ret);
hang();
}
ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_UART0);
if (ret) {
error("%s: failed to set up console UART\n", __func__);
hang();
}
preloader_console_init();
ret = uclass_get_device(UCLASS_RAM, 0, &dev);
if (ret) {
debug("DRAM init failed: %d\n", ret);
return;
}
}
u32 spl_boot_mode(const u32 boot_device)
{
return MMCSD_MODE_RAW;
}
u32 spl_boot_device(void)
{
return BOOT_DEVICE_MMC1;
}
#ifdef CONFIG_SPL_LOAD_FIT
int board_fit_config_name_match(const char *name)
{
/* Just empty function now - can't decide what to choose */
debug("%s: %s\n", __func__, name);
return 0;
}
#endif
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