diff options
| author | Michael Walle <michael@walle.cc> | 2022-08-23 11:30:14 +0200 |
|---|---|---|
| committer | Peng Fan <peng.fan@nxp.com> | 2022-09-06 09:10:41 +0800 |
| commit | 6622c30f2e033eb4268720c1927a52062406f870 (patch) | |
| tree | 8dffd95d8e771c0177f3ac6ec04c2b8676cbab1a /arch | |
| parent | 427aa3c9b72b6672f714389a6f71b6cc2841d559 (diff) | |
armv8: layerscape: spl: mark OCRAM as non-secure
By default the OCRAM is marked as secure. While the SPL runs in EL3 and
thus can access it, DMA devices cannot. Mark the whole OCRAM as
non-secure.
This will fix MMC and SD card boot on LS1028A when using SPL instead of
TF-A.
Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/cpu/armv8/fsl-layerscape/spl.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/spl.c b/arch/arm/cpu/armv8/fsl-layerscape/spl.c index 5f09ef0a4a..3a4b665f24 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)) |