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rockchip: rk3399; move spl_board_init() into soc file

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Move spl_board_init() into rk3399.c so that we can re-use the
common SPL board file later.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
This commit is contained in:
Kever Yang 2019-07-22 19:59:39 +08:00
parent bd06a7c88e
commit 47b0ead21a
2 changed files with 63 additions and 62 deletions
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61
arch/arm/mach-rockchip/rk3399-board-spl.c
View file

@ -10,16 +10,13 @@
#include <ram.h>
#include <spl.h>
#include <spl_gpio.h>
#include <syscon.h>
#include <asm/gpio.h>
#include <asm/io.h>
#include <asm/arch-rockchip/bootrom.h>
#include <asm/arch-rockchip/clock.h>
#include <asm/arch-rockchip/cru_rk3399.h>
#include <asm/arch-rockchip/hardware.h>
#include <asm/arch-rockchip/periph.h>
#include <asm/arch-rockchip/sys_proto.h>
#include <power/regulator.h>
void board_return_to_bootrom(void)
{
@ -121,64 +118,6 @@ void board_init_f(ulong dummy)
preloader_console_init();
}
#if defined(SPL_GPIO_SUPPORT)
static void rk3399_force_power_on_reset(void)
{
ofnode node;
struct gpio_desc sysreset_gpio;
debug("%s: trying to force a power-on reset\n", __func__);
node = ofnode_path("/config");
if (!ofnode_valid(node)) {
debug("%s: no /config node?\n", __func__);
return;
}
if (gpio_request_by_name_nodev(node, "sysreset-gpio", 0,
&sysreset_gpio, GPIOD_IS_OUT)) {
debug("%s: could not find a /config/sysreset-gpio\n", __func__);
return;
}
dm_gpio_set_value(&sysreset_gpio, 1);
}
#endif
void spl_board_init(void)
{
#if defined(SPL_GPIO_SUPPORT)
struct rk3399_cru *cru = rockchip_get_cru();
/*
* The RK3399 resets only 'almost all logic' (see also in the TRM
* "3.9.4 Global software reset"), when issuing a software reset.
* This may cause issues during boot-up for some configurations of
* the application software stack.
*
* To work around this, we test whether the last reset reason was
* a power-on reset and (if not) issue an overtemp-reset to reset
* the entire module.
*
* While this was previously fixed by modifying the various places
* that could generate a software reset (e.g. U-Boot's sysreset
* driver, the ATF or Linux), we now have it here to ensure that
* we no longer have to track this through the various components.
*/
if (cru->glb_rst_st != 0)
rk3399_force_power_on_reset();
#endif
#if defined(SPL_DM_REGULATOR)
/*
* Turning the eMMC and SPI back on (if disabled via the Qseven
* BIOS_ENABLE) signal is done through a always-on regulator).
*/
if (regulators_enable_boot_on(false))
debug("%s: Cannot enable boot on regulator\n", __func__);
#endif
}
#ifdef CONFIG_SPL_LOAD_FIT
int board_fit_config_name_match(const char *name)
{

64
arch/arm/mach-rockchip/rk3399/rk3399.c
View file

@ -4,12 +4,16 @@
*/
#include <common.h>
#include <spl.h>
#include <spl_gpio.h>
#include <syscon.h>
#include <asm/armv8/mmu.h>
#include <asm/io.h>
#include <asm/arch-rockchip/clock.h>
#include <asm/arch-rockchip/gpio.h>
#include <asm/arch-rockchip/grf_rk3399.h>
#include <asm/arch-rockchip/hardware.h>
#include <power/regulator.h>
DECLARE_GLOBAL_DATA_PTR;
@ -164,7 +168,7 @@ void board_debug_uart_init(void)
}
#endif
#ifdef CONFIG_SPL_BUILD
#if defined(CONFIG_SPL_BUILD) && !defined(CONFIG_TPL_BUILD)
const char *spl_decode_boot_device(u32 boot_device)
{
int i;
@ -212,4 +216,62 @@ void spl_perform_fixups(struct spl_image_info *spl_image)
fdt_setprop_string(blob, chosen,
"u-boot,spl-boot-device", boot_ofpath);
}
#if defined(SPL_GPIO_SUPPORT)
static void rk3399_force_power_on_reset(void)
{
ofnode node;
struct gpio_desc sysreset_gpio;
debug("%s: trying to force a power-on reset\n", __func__);
node = ofnode_path("/config");
if (!ofnode_valid(node)) {
debug("%s: no /config node?\n", __func__);
return;
}
if (gpio_request_by_name_nodev(node, "sysreset-gpio", 0,
&sysreset_gpio, GPIOD_IS_OUT)) {
debug("%s: could not find a /config/sysreset-gpio\n", __func__);
return;
}
dm_gpio_set_value(&sysreset_gpio, 1);
}
#endif
void spl_board_init(void)
{
#if defined(SPL_GPIO_SUPPORT)
struct rk3399_cru *cru = rockchip_get_cru();
/*
* The RK3399 resets only 'almost all logic' (see also in the TRM
* "3.9.4 Global software reset"), when issuing a software reset.
* This may cause issues during boot-up for some configurations of
* the application software stack.
*
* To work around this, we test whether the last reset reason was
* a power-on reset and (if not) issue an overtemp-reset to reset
* the entire module.
*
* While this was previously fixed by modifying the various places
* that could generate a software reset (e.g. U-Boot's sysreset
* driver, the ATF or Linux), we now have it here to ensure that
* we no longer have to track this through the various components.
*/
if (cru->glb_rst_st != 0)
rk3399_force_power_on_reset();
#endif
#if defined(SPL_DM_REGULATOR)
/*
* Turning the eMMC and SPI back on (if disabled via the Qseven
* BIOS_ENABLE) signal is done through a always-on regulator).
*/
if (regulators_enable_boot_on(false))
debug("%s: Cannot enable boot on regulator\n", __func__);
#endif
}
#endif