diff options
| author | Masami Hiramatsu <masami.hiramatsu@linaro.org> | 2021-07-12 19:35:44 +0900 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2021-07-23 18:53:45 -0400 |
| commit | 1ad3c8365a7d47f16a11db084e38c3604639fd68 (patch) | |
| tree | 0c7170850a8564d67adc31c2764e9c672a672101 /board/socionext | |
| parent | edecc15eb9593b94dcd6a5f4f5ea5f134125b6a0 (diff) | |
board: synquacer: Initialize SCBM SMMU at board_init()
Since the SCBM SMMU is not only connected to the NETSEC
but also shared with the F_SDH30 (eMMC controller), that
should be initialized at board level instead of NETSEC.
Move the SMMU initialization code into board support
and call it from board_init().
Without this fix, if the NETSEC is disabled, the Linux
eMMC ADMA cause an error because SMMU is not initialized.
Signed-off-by: Masami Hiramatsu <masami.hiramatsu@linaro.org>
Diffstat (limited to 'board/socionext')
| -rw-r--r-- | board/socionext/developerbox/developerbox.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/board/socionext/developerbox/developerbox.c b/board/socionext/developerbox/developerbox.c index 34335baec3..9552bfcdc3 100644 --- a/board/socionext/developerbox/developerbox.c +++ b/board/socionext/developerbox/developerbox.c @@ -62,6 +62,19 @@ DECLARE_GLOBAL_DATA_PTR; #define LOAD_OFFSET 0x100 +/* SCBM System MMU is used for eMMC and NETSEC */ +#define SCBM_SMMU_ADDR (0x52e00000UL) +#define SMMU_SCR0_OFFS (0x0) +#define SMMU_SCR0_SHCFG_INNER (0x2 << 22) +#define SMMU_SCR0_MTCFG (0x1 << 20) +#define SMMU_SCR0_MEMATTR_INNER_OUTER_WB (0xf << 16) + +static void synquacer_setup_scbm_smmu(void) +{ + writel(SMMU_SCR0_SHCFG_INNER | SMMU_SCR0_MTCFG | SMMU_SCR0_MEMATTR_INNER_OUTER_WB, + SCBM_SMMU_ADDR + SMMU_SCR0_OFFS); +} + /* * Miscellaneous platform dependent initialisations */ @@ -71,6 +84,8 @@ int board_init(void) gd->env_addr = (ulong)&default_environment[0]; + synquacer_setup_scbm_smmu(); + return 0; } |