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Revert "rockchip: rk3399: Drop unneeded bob and kevin board specific code"

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These power rails must be on very early for the U-Boos SPL banner to be
show over debug UART.

This reverts commit af518a1dfe637cb4dc486d7a832585e4a48bc970.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
This commit is contained in:
Jonas Karlman 2025-02-08 22:49:38 +00:00 committed by Kever Yang
parent 7a45cb4ffe
commit 7dba748433
1 changed files with 22 additions and 1 deletions
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23
arch/arm/mach-rockchip/rk3399/rk3399.c
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@ -7,6 +7,7 @@
#include <init.h>
#include <log.h>
#include <spl.h>
#include <spl_gpio.h>
#include <syscon.h>
#include <asm/armv8/mmu.h>
#include <asm/arch-rockchip/bootrom.h>
@ -15,7 +16,6 @@
#include <asm/arch-rockchip/gpio.h>
#include <asm/arch-rockchip/grf_rk3399.h>
#include <asm/arch-rockchip/hardware.h>
#include <asm/gpio.h>
#include <linux/bitops.h>
#include <linux/printk.h>
#include <power/regulator.h>
@ -133,6 +133,27 @@ void board_debug_uart_init(void)
GRF_GPIO3B7_SEL_MASK,
GRF_UART3_SOUT << GRF_GPIO3B7_SEL_SHIFT);
#else
struct rk3399_pmugrf_regs * const pmugrf = (void *)PMUGRF_BASE;
struct rockchip_gpio_regs * const gpio = (void *)GPIO0_BASE;
if (IS_ENABLED(CONFIG_SPL_BUILD) &&
(IS_ENABLED(CONFIG_TARGET_CHROMEBOOK_BOB) ||
IS_ENABLED(CONFIG_TARGET_CHROMEBOOK_KEVIN))) {
rk_setreg(&grf->io_vsel, 1 << 0);
/*
* Let's enable these power rails here, we are already running
* the SPI-Flash-based code.
*/
spl_gpio_output(gpio, GPIO(BANK_B, 2), 1); /* PP1500_EN */
spl_gpio_set_pull(&pmugrf->gpio0_p, GPIO(BANK_B, 2),
GPIO_PULL_NORMAL);
spl_gpio_output(gpio, GPIO(BANK_B, 4), 1); /* PP3000_EN */
spl_gpio_set_pull(&pmugrf->gpio0_p, GPIO(BANK_B, 4),
GPIO_PULL_NORMAL);
}
/* Enable early UART2 channel C on the RK3399 */
rk_clrsetreg(&grf->gpio4c_iomux,
GRF_GPIO4C3_SEL_MASK,