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| author | Neil Armstrong <narmstrong@baylibre.com> | 2019-05-22 13:30:25 +0200 |
|---|---|---|
| committer | Neil Armstrong <narmstrong@baylibre.com> | 2019-08-12 10:05:10 +0200 |
| commit | 9a34dedfae0ebb031a45324c2fed8c39b2c6fcf2 (patch) | |
| tree | 9125df5aff4cb2cee03a40e81943d30b408455e7 /arch/arm/mach-meson | |
| parent | 09983675156dfa310d07362934e97d7a6b4588f3 (diff) | |
| download | u-boot-9a34dedfae0ebb031a45324c2fed8c39b2c6fcf2.zip u-boot-9a34dedfae0ebb031a45324c2fed8c39b2c6fcf2.tar.gz u-boot-9a34dedfae0ebb031a45324c2fed8c39b2c6fcf2.tar.bz2 | |
ARM: meson: Add support for fastboot_set_reboot_flag()
Add support for fastboot_set_reboot_flag() by storing the reboot
flag in the common code to be used by the custom PSCI reboot handler.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Diffstat (limited to 'arch/arm/mach-meson')
| -rw-r--r-- | arch/arm/mach-meson/board-common.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm/mach-meson/board-common.c b/arch/arm/mach-meson/board-common.c index 18383f7..9b3fb47 100644 --- a/arch/arm/mach-meson/board-common.c +++ b/arch/arm/mach-meson/board-common.c @@ -14,6 +14,11 @@ #include <asm/unaligned.h> #include <efi_loader.h> +#if CONFIG_IS_ENABLED(FASTBOOT) +#include <asm/psci.h> +#include <fastboot.h> +#endif + DECLARE_GLOBAL_DATA_PTR; __weak int board_init(void) @@ -142,7 +147,35 @@ int board_late_init(void) return meson_board_late_init(); } +#if CONFIG_IS_ENABLED(FASTBOOT) +static unsigned int reboot_reason = REBOOT_REASON_NORMAL; + +int fastboot_set_reboot_flag() +{ + reboot_reason = REBOOT_REASON_BOOTLOADER; + + printf("Using reboot reason: 0x%x\n", reboot_reason); + + return 0; +} + +void reset_cpu(ulong addr) +{ + struct pt_regs regs; + + regs.regs[0] = ARM_PSCI_0_2_FN_SYSTEM_RESET; + regs.regs[1] = reboot_reason; + + printf("Rebooting with reason: 0x%lx\n", regs.regs[1]); + + smc_call(®s); + + while (1) + ; +} +#else void reset_cpu(ulong addr) { psci_system_reset(); } +#endif |