diff options
Diffstat (limited to 'bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0481-r8a779-78-sysc-don-t-poweroff-Cortex-R7-core.patch')
| -rw-r--r-- | bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0481-r8a779-78-sysc-don-t-poweroff-Cortex-R7-core.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0481-r8a779-78-sysc-don-t-poweroff-Cortex-R7-core.patch b/bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0481-r8a779-78-sysc-don-t-poweroff-Cortex-R7-core.patch new file mode 100644 index 00000000..d681e07a --- /dev/null +++ b/bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0481-r8a779-78-sysc-don-t-poweroff-Cortex-R7-core.patch @@ -0,0 +1,42 @@ +From 7ffd543f70c5455bc0a801036658c03a41cd3589 Mon Sep 17 00:00:00 2001 +From: Nikita Yushchenko <nikita.yoush@cogentembedded.com> +Date: Mon, 4 Jun 2018 11:12:25 +0300 +Subject: [PATCH] r8a779[78]-sysc: don't poweroff Cortex R7 core + +In V3M/V3H systems, Cortex R7 code normally executes code not anyhow +related to Linux. Linux should not touch R7's power domain. + +Signed-off-by: Nikita Yushchenko <nikita.yoush@cogentembedded.com> +--- + drivers/soc/renesas/r8a77970-sysc.c | 2 +- + drivers/soc/renesas/r8a77980-sysc.c | 2 +- + 2 files changed, 2 insertions(+), 2 deletions(-) + +diff --git a/drivers/soc/renesas/r8a77970-sysc.c b/drivers/soc/renesas/r8a77970-sysc.c +index 5725ad09e4da..6d08a3c81262 100644 +--- a/drivers/soc/renesas/r8a77970-sysc.c ++++ b/drivers/soc/renesas/r8a77970-sysc.c +@@ -23,6 +23,7 @@ static const struct rcar_sysc_area r8a77970_areas[] __initconst = { + PD_CPU_NOCR }, + { "ca53-cpu1", 0x200, 1, R8A77970_PD_CA53_CPU1, R8A77970_PD_CA53_SCU, + PD_CPU_NOCR }, ++// { "cr7", 0x240, 0, R8A77970_PD_CR7, R8A77970_PD_ALWAYS_ON, PD_CPU }, + { "a3ir", 0x180, 0, R8A77970_PD_A3IR, R8A77970_PD_ALWAYS_ON }, + { "a2ir0", 0x400, 0, R8A77970_PD_A2IR0, R8A77970_PD_A3IR }, + { "a2ir1", 0x400, 1, R8A77970_PD_A2IR1, R8A77970_PD_A3IR }, +diff --git a/drivers/soc/renesas/r8a77980-sysc.c b/drivers/soc/renesas/r8a77980-sysc.c +index 2affaa27a6f8..ba73ce20d6ba 100644 +--- a/drivers/soc/renesas/r8a77980-sysc.c ++++ b/drivers/soc/renesas/r8a77980-sysc.c +@@ -28,7 +28,7 @@ static const struct rcar_sysc_area r8a77980_areas[] __initconst = { + PD_CPU_NOCR }, + { "ca53-cpu3", 0x200, 3, R8A77980_PD_CA53_CPU3, R8A77980_PD_CA53_SCU, + PD_CPU_NOCR }, +- { "cr7", 0x240, 0, R8A77980_PD_CR7, R8A77980_PD_ALWAYS_ON }, ++ { "cr7", 0x240, 0, R8A77980_PD_CR7, R8A77980_PD_ALWAYS_ON, PD_CPU }, + { "a3ir", 0x180, 0, R8A77980_PD_A3IR, R8A77980_PD_ALWAYS_ON }, + { "a2ir0", 0x400, 0, R8A77980_PD_A2IR0, R8A77980_PD_A3IR }, + { "a2ir1", 0x400, 1, R8A77980_PD_A2IR1, R8A77980_PD_A3IR }, +-- +2.11.0 + |