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| author | Michael Ellerman <mpe@ellerman.id.au> | 2019-01-04 14:07:47 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2019-01-04 14:07:47 +0300 |
| commit | d538d94f0ca86cfedc892cc427169219acb3c2f7 (patch) | |
| tree | 8363c4ff35907edb5245da737d7f6982bf22b945 /drivers/power/reset/ocelot-reset.c | |
| parent | f460772291f8171988b2b60141a45706123d0c69 (diff) | |
| parent | 96d4f267e40f9509e8a66e2b39e8b95655617693 (diff) | |
| download | linux-d538d94f0ca86cfedc892cc427169219acb3c2f7.tar.xz | |
Merge branch 'master' into fixes
We have a fix to apply on top of commit 96d4f267e40f ("Remove 'type'
argument from access_ok() function"), so merge master to get it.
Diffstat (limited to 'drivers/power/reset/ocelot-reset.c')
| -rw-r--r-- | drivers/power/reset/ocelot-reset.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/power/reset/ocelot-reset.c b/drivers/power/reset/ocelot-reset.c index 5a13a5cc8188..419952c61fd0 100644 --- a/drivers/power/reset/ocelot-reset.c +++ b/drivers/power/reset/ocelot-reset.c @@ -26,6 +26,13 @@ struct ocelot_reset_context { #define SOFT_CHIP_RST BIT(0) +#define ICPU_CFG_CPU_SYSTEM_CTRL_GENERAL_CTRL 0x24 +#define IF_SI_OWNER_MASK GENMASK(1, 0) +#define IF_SI_OWNER_SISL 0 +#define IF_SI_OWNER_SIBM 1 +#define IF_SI_OWNER_SIMC 2 +#define IF_SI_OWNER_OFFSET 4 + static int ocelot_restart_handle(struct notifier_block *this, unsigned long mode, void *cmd) { @@ -37,6 +44,11 @@ static int ocelot_restart_handle(struct notifier_block *this, regmap_update_bits(ctx->cpu_ctrl, ICPU_CFG_CPU_SYSTEM_CTRL_RESET, CORE_RST_PROTECT, 0); + /* Make the SI back to boot mode */ + regmap_update_bits(ctx->cpu_ctrl, ICPU_CFG_CPU_SYSTEM_CTRL_GENERAL_CTRL, + IF_SI_OWNER_MASK << IF_SI_OWNER_OFFSET, + IF_SI_OWNER_SIBM << IF_SI_OWNER_OFFSET); + writel(SOFT_CHIP_RST, ctx->base); pr_emerg("Unable to restart system\n"); |