diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/cpu/armv8/fsl-layerscape/spl.c | 13 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/cpu.c | 8 |
2 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/spl.c b/arch/arm/cpu/armv8/fsl-layerscape/spl.c index 5f09ef0a4af..3a4b665f244 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/spl.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/spl.c @@ -67,11 +67,24 @@ void spl_board_init(void) #endif } +void tzpc_init(void) +{ + /* + * Mark the whole OCRAM as non-secure, otherwise DMA devices cannot + * access it. This is for example necessary for MMC boot. + */ +#ifdef TZPCR0SIZE_BASE + out_le32(TZPCR0SIZE_BASE, 0); +#endif +} + void board_init_f(ulong dummy) { int ret; icache_enable(); + tzpc_init(); + /* Clear global data */ memset((void *)gd, 0, sizeof(gd_t)); if (IS_ENABLED(CONFIG_DEBUG_UART)) diff --git a/arch/powerpc/cpu/mpc85xx/cpu.c b/arch/powerpc/cpu/mpc85xx/cpu.c index 1b6cdc4df02..14d5c560bf8 100644 --- a/arch/powerpc/cpu/mpc85xx/cpu.c +++ b/arch/powerpc/cpu/mpc85xx/cpu.c @@ -44,7 +44,9 @@ __board_reset(void) { /* Do nothing */ } +void board_reset_prepare(void) __attribute__((weak, alias("__board_reset"))); void board_reset(void) __attribute__((weak, alias("__board_reset"))); +void board_reset_last(void) __attribute__((weak, alias("__board_reset"))); int checkcpu (void) { @@ -319,12 +321,18 @@ int do_reset(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) #else volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + /* Call board-specific preparation for reset */ + board_reset_prepare(); + /* Attempt board-specific reset */ board_reset(); /* Next try asserting HRESET_REQ */ out_be32(&gur->rstcr, 0x2); udelay(100); + + /* Attempt last-stage board-specific reset */ + board_reset_last(); #endif return 1; |