upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
98 lines
2.2 KiB
98 lines
2.2 KiB
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* (C) Copyright 2017 Rockchip Electronics Co., Ltd
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <debug_uart.h>
|
|
#include <dm.h>
|
|
#include <ram.h>
|
|
#include <spl.h>
|
|
#include <asm/io.h>
|
|
#include <asm/arch/bootrom.h>
|
|
#include <asm/arch/cru_rk322x.h>
|
|
#include <asm/arch/grf_rk322x.h>
|
|
#include <asm/arch/hardware.h>
|
|
#include <asm/arch/timer.h>
|
|
#include <asm/arch/uart.h>
|
|
|
|
u32 spl_boot_device(void)
|
|
{
|
|
return BOOT_DEVICE_MMC1;
|
|
}
|
|
#define GRF_BASE 0x11000000
|
|
#define SGRF_BASE 0x10140000
|
|
|
|
#define DEBUG_UART_BASE 0x11030000
|
|
|
|
void board_debug_uart_init(void)
|
|
{
|
|
static struct rk322x_grf * const grf = (void *)GRF_BASE;
|
|
enum {
|
|
GPIO1B2_SHIFT = 4,
|
|
GPIO1B2_MASK = 3 << GPIO1B2_SHIFT,
|
|
GPIO1B2_GPIO = 0,
|
|
GPIO1B2_UART1_SIN,
|
|
GPIO1B2_UART21_SIN,
|
|
|
|
GPIO1B1_SHIFT = 2,
|
|
GPIO1B1_MASK = 3 << GPIO1B1_SHIFT,
|
|
GPIO1B1_GPIO = 0,
|
|
GPIO1B1_UART1_SOUT,
|
|
GPIO1B1_UART21_SOUT,
|
|
};
|
|
enum {
|
|
CON_IOMUX_UART2SEL_SHIFT= 8,
|
|
CON_IOMUX_UART2SEL_MASK = 1 << CON_IOMUX_UART2SEL_SHIFT,
|
|
CON_IOMUX_UART2SEL_2 = 0,
|
|
CON_IOMUX_UART2SEL_21,
|
|
};
|
|
|
|
/* Enable early UART2 channel 1 on the RK322x */
|
|
rk_clrsetreg(&grf->gpio1b_iomux,
|
|
GPIO1B1_MASK | GPIO1B2_MASK,
|
|
GPIO1B2_UART21_SIN << GPIO1B2_SHIFT |
|
|
GPIO1B1_UART21_SOUT << GPIO1B1_SHIFT);
|
|
/* Set channel C as UART2 input */
|
|
rk_clrsetreg(&grf->con_iomux,
|
|
CON_IOMUX_UART2SEL_MASK,
|
|
CON_IOMUX_UART2SEL_21 << CON_IOMUX_UART2SEL_SHIFT);
|
|
}
|
|
|
|
#define SGRF_DDR_CON0 0x10150000
|
|
void board_init_f(ulong dummy)
|
|
{
|
|
struct udevice *dev;
|
|
int ret;
|
|
|
|
/*
|
|
* Debug UART can be used from here if required:
|
|
*
|
|
* debug_uart_init();
|
|
* printch('a');
|
|
* printhex8(0x1234);
|
|
* printascii("string");
|
|
*/
|
|
debug_uart_init();
|
|
printascii("SPL Init");
|
|
|
|
ret = spl_early_init();
|
|
if (ret) {
|
|
debug("spl_early_init() failed: %d\n", ret);
|
|
hang();
|
|
}
|
|
|
|
rockchip_timer_init();
|
|
printf("timer init done\n");
|
|
ret = uclass_get_device(UCLASS_RAM, 0, &dev);
|
|
if (ret) {
|
|
printf("DRAM init failed: %d\n", ret);
|
|
return;
|
|
}
|
|
|
|
/* Disable the ddr secure region setting to make it non-secure */
|
|
rk_clrreg(SGRF_DDR_CON0, 0x4000);
|
|
#if defined(CONFIG_SPL_ROCKCHIP_BACK_TO_BROM) && !defined(CONFIG_SPL_BOARD_INIT)
|
|
back_to_bootrom(BROM_BOOT_NEXTSTAGE);
|
|
#endif
|
|
}
|
|
|