* [PATCH v2 1/3] dt-bindings: soc: mediatek: devapc: Add bindings for MT8186
2022-05-04 11:54 [PATCH v2 0/3] Support MediaTek devapc for MT8186 Rex-BC Chen
@ 2022-05-04 11:54 ` Rex-BC Chen
2022-05-04 11:55 ` [PATCH v2 2/3] soc: mediatek: devapc: Separate register offsets from mtk_devapc_data Rex-BC Chen
` (3 subsequent siblings)
4 siblings, 0 replies; 11+ messages in thread
From: Rex-BC Chen @ 2022-05-04 11:54 UTC (permalink / raw)
To: robh+dt, krzysztof.kozlowski+dt, matthias.bgg
Cc: runyang.chen, linux-mediatek, devicetree, linux-kernel,
linux-arm-kernel, Project_Global_Chrome_Upstream_Group,
Rex-BC Chen
Add the dt-binding to support MT8186 devapc.
Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
---
Documentation/devicetree/bindings/soc/mediatek/devapc.yaml | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/devicetree/bindings/soc/mediatek/devapc.yaml b/Documentation/devicetree/bindings/soc/mediatek/devapc.yaml
index 31e4d3c339bf..d0a4bc3b03e9 100644
--- a/Documentation/devicetree/bindings/soc/mediatek/devapc.yaml
+++ b/Documentation/devicetree/bindings/soc/mediatek/devapc.yaml
@@ -20,6 +20,7 @@ properties:
compatible:
enum:
- mediatek,mt6779-devapc
+ - mediatek,mt8186-devapc
reg:
description: The base address of devapc register bank
--
2.18.0
^ permalink raw reply related [flat|nested] 11+ messages in thread* [PATCH v2 2/3] soc: mediatek: devapc: Separate register offsets from mtk_devapc_data
2022-05-04 11:54 [PATCH v2 0/3] Support MediaTek devapc for MT8186 Rex-BC Chen
2022-05-04 11:54 ` [PATCH v2 1/3] dt-bindings: soc: mediatek: devapc: Add bindings " Rex-BC Chen
@ 2022-05-04 11:55 ` Rex-BC Chen
2022-05-06 8:19 ` AngeloGioacchino Del Regno
2022-05-04 11:55 ` [PATCH v2 3/3] soc: mediatek: devapc: Add support for MT8186 Rex-BC Chen
` (2 subsequent siblings)
4 siblings, 1 reply; 11+ messages in thread
From: Rex-BC Chen @ 2022-05-04 11:55 UTC (permalink / raw)
To: robh+dt, krzysztof.kozlowski+dt, matthias.bgg
Cc: runyang.chen, linux-mediatek, devicetree, linux-kernel,
linux-arm-kernel, Project_Global_Chrome_Upstream_Group,
Rex-BC Chen
The register offsets is the same between MT6779 and MT8186. To reuse the
register offsets, we move these register offsets to another structure
"mtk_devapc_regs_ofs".
Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
---
drivers/soc/mediatek/mtk-devapc.c | 37 ++++++++++++++++++-------------
1 file changed, 22 insertions(+), 15 deletions(-)
diff --git a/drivers/soc/mediatek/mtk-devapc.c b/drivers/soc/mediatek/mtk-devapc.c
index 7c65ad3d1f8a..f27e22cbb770 100644
--- a/drivers/soc/mediatek/mtk-devapc.c
+++ b/drivers/soc/mediatek/mtk-devapc.c
@@ -31,10 +31,7 @@ struct mtk_devapc_vio_dbgs {
u32 vio_dbg1;
};
-struct mtk_devapc_data {
- /* numbers of violation index */
- u32 vio_idx_num;
-
+struct mtk_devapc_regs_ofs {
/* reg offset */
u32 vio_mask_offset;
u32 vio_sta_offset;
@@ -46,6 +43,12 @@ struct mtk_devapc_data {
u32 vio_shift_con_offset;
};
+struct mtk_devapc_data {
+ /* numbers of violation index */
+ u32 vio_idx_num;
+ const struct mtk_devapc_regs_ofs *regs_ofs;
+};
+
struct mtk_devapc_context {
struct device *dev;
void __iomem *infra_base;
@@ -58,7 +61,7 @@ static void clear_vio_status(struct mtk_devapc_context *ctx)
void __iomem *reg;
int i;
- reg = ctx->infra_base + ctx->data->vio_sta_offset;
+ reg = ctx->infra_base + ctx->data->regs_ofs->vio_sta_offset;
for (i = 0; i < VIO_MOD_TO_REG_IND(ctx->data->vio_idx_num) - 1; i++)
writel(GENMASK(31, 0), reg + 4 * i);
@@ -73,7 +76,7 @@ static void mask_module_irq(struct mtk_devapc_context *ctx, bool mask)
u32 val;
int i;
- reg = ctx->infra_base + ctx->data->vio_mask_offset;
+ reg = ctx->infra_base + ctx->data->regs_ofs->vio_mask_offset;
if (mask)
val = GENMASK(31, 0);
@@ -116,11 +119,11 @@ static int devapc_sync_vio_dbg(struct mtk_devapc_context *ctx)
u32 val;
pd_vio_shift_sta_reg = ctx->infra_base +
- ctx->data->vio_shift_sta_offset;
+ ctx->data->regs_ofs->vio_shift_sta_offset;
pd_vio_shift_sel_reg = ctx->infra_base +
- ctx->data->vio_shift_sel_offset;
+ ctx->data->regs_ofs->vio_shift_sel_offset;
pd_vio_shift_con_reg = ctx->infra_base +
- ctx->data->vio_shift_con_offset;
+ ctx->data->regs_ofs->vio_shift_con_offset;
/* Find the minimum shift group which has violation */
val = readl(pd_vio_shift_sta_reg);
@@ -161,8 +164,8 @@ static void devapc_extract_vio_dbg(struct mtk_devapc_context *ctx)
void __iomem *vio_dbg0_reg;
void __iomem *vio_dbg1_reg;
- vio_dbg0_reg = ctx->infra_base + ctx->data->vio_dbg0_offset;
- vio_dbg1_reg = ctx->infra_base + ctx->data->vio_dbg1_offset;
+ vio_dbg0_reg = ctx->infra_base + ctx->data->regs_ofs->vio_dbg0_offset;
+ vio_dbg1_reg = ctx->infra_base + ctx->data->regs_ofs->vio_dbg1_offset;
vio_dbgs.vio_dbg0 = readl(vio_dbg0_reg);
vio_dbgs.vio_dbg1 = readl(vio_dbg1_reg);
@@ -200,7 +203,7 @@ static irqreturn_t devapc_violation_irq(int irq_number, void *data)
*/
static void start_devapc(struct mtk_devapc_context *ctx)
{
- writel(BIT(31), ctx->infra_base + ctx->data->apc_con_offset);
+ writel(BIT(31), ctx->infra_base + ctx->data->regs_ofs->apc_con_offset);
mask_module_irq(ctx, false);
}
@@ -212,11 +215,10 @@ static void stop_devapc(struct mtk_devapc_context *ctx)
{
mask_module_irq(ctx, true);
- writel(BIT(2), ctx->infra_base + ctx->data->apc_con_offset);
+ writel(BIT(2), ctx->infra_base + ctx->data->regs_ofs->apc_con_offset);
}
-static const struct mtk_devapc_data devapc_mt6779 = {
- .vio_idx_num = 511,
+static const struct mtk_devapc_regs_ofs devapc_regs_ofs_mt6779 = {
.vio_mask_offset = 0x0,
.vio_sta_offset = 0x400,
.vio_dbg0_offset = 0x900,
@@ -227,6 +229,11 @@ static const struct mtk_devapc_data devapc_mt6779 = {
.vio_shift_con_offset = 0xF20,
};
+static const struct mtk_devapc_data devapc_mt6779 = {
+ .vio_idx_num = 511,
+ .regs_ofs = &devapc_regs_ofs_mt6779,
+};
+
static const struct of_device_id mtk_devapc_dt_match[] = {
{
.compatible = "mediatek,mt6779-devapc",
--
2.18.0
^ permalink raw reply related [flat|nested] 11+ messages in thread* Re: [PATCH v2 2/3] soc: mediatek: devapc: Separate register offsets from mtk_devapc_data
2022-05-04 11:55 ` [PATCH v2 2/3] soc: mediatek: devapc: Separate register offsets from mtk_devapc_data Rex-BC Chen
@ 2022-05-06 8:19 ` AngeloGioacchino Del Regno
2022-05-07 15:35 ` Chun-Kuang Hu
0 siblings, 1 reply; 11+ messages in thread
From: AngeloGioacchino Del Regno @ 2022-05-06 8:19 UTC (permalink / raw)
To: Rex-BC Chen, robh+dt, krzysztof.kozlowski+dt, matthias.bgg
Cc: runyang.chen, linux-mediatek, devicetree, linux-kernel,
linux-arm-kernel, Project_Global_Chrome_Upstream_Group
Il 04/05/22 13:55, Rex-BC Chen ha scritto:
> The register offsets is the same between MT6779 and MT8186. To reuse the
> register offsets, we move these register offsets to another structure
> "mtk_devapc_regs_ofs".
>
> Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
^ permalink raw reply [flat|nested] 11+ messages in thread
* Re: [PATCH v2 2/3] soc: mediatek: devapc: Separate register offsets from mtk_devapc_data
2022-05-06 8:19 ` AngeloGioacchino Del Regno
@ 2022-05-07 15:35 ` Chun-Kuang Hu
0 siblings, 0 replies; 11+ messages in thread
From: Chun-Kuang Hu @ 2022-05-07 15:35 UTC (permalink / raw)
To: AngeloGioacchino Del Regno
Cc: Rex-BC Chen, Rob Herring, krzysztof.kozlowski+dt,
Matthias Brugger, runyang.chen,
moderated list:ARM/Mediatek SoC support, DTML, linux-kernel,
Linux ARM, Project_Global_Chrome_Upstream_Group
AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> 於
2022年5月6日 週五 下午4:26寫道：
>
> Il 04/05/22 13:55, Rex-BC Chen ha scritto:
> > The register offsets is the same between MT6779 and MT8186. To reuse the
> > register offsets, we move these register offsets to another structure
> > "mtk_devapc_regs_ofs".
> >
> > Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
>
>
> _______________________________________________
> Linux-mediatek mailing list
> Linux-mediatek@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-mediatek
^ permalink raw reply [flat|nested] 11+ messages in thread
* [PATCH v2 3/3] soc: mediatek: devapc: Add support for MT8186
2022-05-04 11:54 [PATCH v2 0/3] Support MediaTek devapc for MT8186 Rex-BC Chen
2022-05-04 11:54 ` [PATCH v2 1/3] dt-bindings: soc: mediatek: devapc: Add bindings " Rex-BC Chen
2022-05-04 11:55 ` [PATCH v2 2/3] soc: mediatek: devapc: Separate register offsets from mtk_devapc_data Rex-BC Chen
@ 2022-05-04 11:55 ` Rex-BC Chen
2022-05-06 8:19 ` AngeloGioacchino Del Regno
2022-05-18 2:51 ` [PATCH v2 0/3] Support MediaTek devapc " Rex-BC Chen
2022-06-02 7:48 ` Chen-Yu Tsai
4 siblings, 1 reply; 11+ messages in thread
From: Rex-BC Chen @ 2022-05-04 11:55 UTC (permalink / raw)
To: robh+dt, krzysztof.kozlowski+dt, matthias.bgg
Cc: runyang.chen, linux-mediatek, devicetree, linux-kernel,
linux-arm-kernel, Project_Global_Chrome_Upstream_Group,
Rex-BC Chen
Add devapc data and compatible to support MT8186 devapc.
Signed-off-by: Runyang Chen <runyang.chen@mediatek.com>
Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
---
drivers/soc/mediatek/mtk-devapc.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/soc/mediatek/mtk-devapc.c b/drivers/soc/mediatek/mtk-devapc.c
index f27e22cbb770..fc13334db1b1 100644
--- a/drivers/soc/mediatek/mtk-devapc.c
+++ b/drivers/soc/mediatek/mtk-devapc.c
@@ -234,10 +234,18 @@ static const struct mtk_devapc_data devapc_mt6779 = {
.regs_ofs = &devapc_regs_ofs_mt6779,
};
+static const struct mtk_devapc_data devapc_mt8186 = {
+ .vio_idx_num = 519,
+ .regs_ofs = &devapc_regs_ofs_mt6779,
+};
+
static const struct of_device_id mtk_devapc_dt_match[] = {
{
.compatible = "mediatek,mt6779-devapc",
.data = &devapc_mt6779,
+ }, {
+ .compatible = "mediatek,mt8186-devapc",
+ .data = &devapc_mt8186,
}, {
},
};
--
2.18.0
^ permalink raw reply related [flat|nested] 11+ messages in thread* Re: [PATCH v2 3/3] soc: mediatek: devapc: Add support for MT8186
2022-05-04 11:55 ` [PATCH v2 3/3] soc: mediatek: devapc: Add support for MT8186 Rex-BC Chen
@ 2022-05-06 8:19 ` AngeloGioacchino Del Regno
2022-05-07 15:36 ` Chun-Kuang Hu
0 siblings, 1 reply; 11+ messages in thread
From: AngeloGioacchino Del Regno @ 2022-05-06 8:19 UTC (permalink / raw)
To: Rex-BC Chen, robh+dt, krzysztof.kozlowski+dt, matthias.bgg
Cc: runyang.chen, linux-mediatek, devicetree, linux-kernel,
linux-arm-kernel, Project_Global_Chrome_Upstream_Group
Il 04/05/22 13:55, Rex-BC Chen ha scritto:
> Add devapc data and compatible to support MT8186 devapc.
>
> Signed-off-by: Runyang Chen <runyang.chen@mediatek.com>
> Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
^ permalink raw reply [flat|nested] 11+ messages in thread
* Re: [PATCH v2 3/3] soc: mediatek: devapc: Add support for MT8186
2022-05-06 8:19 ` AngeloGioacchino Del Regno
@ 2022-05-07 15:36 ` Chun-Kuang Hu
0 siblings, 0 replies; 11+ messages in thread
From: Chun-Kuang Hu @ 2022-05-07 15:36 UTC (permalink / raw)
To: AngeloGioacchino Del Regno
Cc: Rex-BC Chen, Rob Herring, krzysztof.kozlowski+dt,
Matthias Brugger, runyang.chen,
moderated list:ARM/Mediatek SoC support, DTML, linux-kernel,
Linux ARM, Project_Global_Chrome_Upstream_Group
AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> 於
2022年5月6日 週五 下午4:26寫道：
>
> Il 04/05/22 13:55, Rex-BC Chen ha scritto:
> > Add devapc data and compatible to support MT8186 devapc.
> >
> > Signed-off-by: Runyang Chen <runyang.chen@mediatek.com>
> > Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
>
>
> _______________________________________________
> Linux-mediatek mailing list
> Linux-mediatek@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-mediatek
^ permalink raw reply [flat|nested] 11+ messages in thread
* Re: [PATCH v2 0/3] Support MediaTek devapc for MT8186
2022-05-04 11:54 [PATCH v2 0/3] Support MediaTek devapc for MT8186 Rex-BC Chen
` (2 preceding siblings ...)
2022-05-04 11:55 ` [PATCH v2 3/3] soc: mediatek: devapc: Add support for MT8186 Rex-BC Chen
@ 2022-05-18 2:51 ` Rex-BC Chen
2022-06-02 7:48 ` Chen-Yu Tsai
4 siblings, 0 replies; 11+ messages in thread
From: Rex-BC Chen @ 2022-05-18 2:51 UTC (permalink / raw)
To: robh+dt, krzysztof.kozlowski+dt, matthias.bgg
Cc: runyang.chen, linux-mediatek, devicetree, linux-kernel,
linux-arm-kernel, Project_Global_Chrome_Upstream_Group
On Wed, 2022-05-04 at 19:54 +0800, Rex-BC Chen wrote:
> This series is for supporting devapc implementation in MT8186.
>
> V2:
> - Add a patch to separate register offsets from mtk_devapc_data.
>
> V1:
> - Add dt-binding and add devapc data for MT8186.
>
> Rex-BC Chen (3):
> dt-bindings: soc: mediatek: devapc: Add bindings for MT8186
> soc: mediatek: devapc: Separate register offsets from
> mtk_devapc_data
> soc: mediatek: devapc: Add support for MT8186
>
> .../bindings/soc/mediatek/devapc.yaml | 1 +
> drivers/soc/mediatek/mtk-devapc.c | 45 ++++++++++++-----
> --
> 2 files changed, 31 insertions(+), 15 deletions(-)
>
Hello Matthias,
Could you spare some time to review this series?
Patches of this this series are reviewed.
The purpose of this series is to add support for MT8186 devapc and it
just adds some driver data and compatible for mt8186.
Thanks for your support!
BRs,
Rex
^ permalink raw reply [flat|nested] 11+ messages in thread* Re: [PATCH v2 0/3] Support MediaTek devapc for MT8186
2022-05-04 11:54 [PATCH v2 0/3] Support MediaTek devapc for MT8186 Rex-BC Chen
` (3 preceding siblings ...)
2022-05-18 2:51 ` [PATCH v2 0/3] Support MediaTek devapc " Rex-BC Chen
@ 2022-06-02 7:48 ` Chen-Yu Tsai
2022-06-02 14:27 ` Matthias Brugger
4 siblings, 1 reply; 11+ messages in thread
From: Chen-Yu Tsai @ 2022-06-02 7:48 UTC (permalink / raw)
To: Rex-BC Chen, matthias.bgg
Cc: robh+dt, krzysztof.kozlowski+dt, runyang.chen, linux-mediatek,
devicetree, linux-kernel, linux-arm-kernel,
Project_Global_Chrome_Upstream_Group
On Wed, May 4, 2022 at 7:55 PM Rex-BC Chen <rex-bc.chen@mediatek.com> wrote:
>
> This series is for supporting devapc implementation in MT8186.
>
> V2:
> - Add a patch to separate register offsets from mtk_devapc_data.
>
> V1:
> - Add dt-binding and add devapc data for MT8186.
>
> Rex-BC Chen (3):
> dt-bindings: soc: mediatek: devapc: Add bindings for MT8186
> soc: mediatek: devapc: Separate register offsets from mtk_devapc_data
> soc: mediatek: devapc: Add support for MT8186
Applied this on next-20220602 (with a few fixes for other section mismatch
errors), booted and got:
[ 1.948483] mtk-devapc 10207000.devapc: Read Violation
[ 1.948488] mtk-devapc 10207000.devapc: Bus ID:0x100, Dom ID:0x0,
Vio Addr:0x13000000
[ 1.948520] mtk-devapc 10207000.devapc: Read Violation
[ 1.948523] mtk-devapc 10207000.devapc: Bus ID:0x200, Dom ID:0x0,
Vio Addr:0x140001a0
[ 1.948537] mtk-devapc 10207000.devapc: Read Violation
[ 1.948540] mtk-devapc 10207000.devapc: Bus ID:0x200, Dom ID:0x0,
Vio Addr:0x140001a0
[ 1.948555] mtk-devapc 10207000.devapc: Read Violation
[ 1.948558] mtk-devapc 10207000.devapc: Bus ID:0x200, Dom ID:0x0,
Vio Addr:0x14000100
[ 1.948573] mtk-devapc 10207000.devapc: Read Violation
[ 1.948576] mtk-devapc 10207000.devapc: Bus ID:0x200, Dom ID:0x0,
Vio Addr:0x14000100
[ 1.948590] mtk-devapc 10207000.devapc: Read Violation
[ 1.948593] mtk-devapc 10207000.devapc: Bus ID:0x200, Dom ID:0x0,
Vio Addr:0x14000100
[ 1.948607] mtk-devapc 10207000.devapc: Read Violation
[ 1.948610] mtk-devapc 10207000.devapc: Bus ID:0x200, Dom ID:0x0,
Vio Addr:0x14000100
[ 1.948624] mtk-devapc 10207000.devapc: Read Violation
[ 1.948627] mtk-devapc 10207000.devapc: Bus ID:0x200, Dom ID:0x0,
Vio Addr:0x14000100
during the boot process. So I think this works well. Manually reading a
known secure address also triggers it:
root@hayato:~# busybox devmem 0x1000e000
0x00000000
[ 135.069121] mtk-devapc 10207000.devapc: Read Violation
[ 135.069132] mtk-devapc 10207000.devapc: Bus ID:0x482, Dom ID:0x0,
Vio Addr:0x1000e000
So,
Tested-by: Chen-Yu Tsai <wenst@chromium.org>
BTW, looks like MT8186 support in mainline is shaping up real good.
SCP firmware is still missing, so video codec stuff won't work.
^ permalink raw reply [flat|nested] 11+ messages in thread* Re: [PATCH v2 0/3] Support MediaTek devapc for MT8186
2022-06-02 7:48 ` Chen-Yu Tsai
@ 2022-06-02 14:27 ` Matthias Brugger
0 siblings, 0 replies; 11+ messages in thread
From: Matthias Brugger @ 2022-06-02 14:27 UTC (permalink / raw)
To: Chen-Yu Tsai, Rex-BC Chen
Cc: robh+dt, krzysztof.kozlowski+dt, runyang.chen, linux-mediatek,
devicetree, linux-kernel, linux-arm-kernel,
Project_Global_Chrome_Upstream_Group
On 02/06/2022 09:48, Chen-Yu Tsai wrote:
> On Wed, May 4, 2022 at 7:55 PM Rex-BC Chen <rex-bc.chen@mediatek.com> wrote:
>>
>> This series is for supporting devapc implementation in MT8186.
>>
>> V2:
>> - Add a patch to separate register offsets from mtk_devapc_data.
>>
>> V1:
>> - Add dt-binding and add devapc data for MT8186.
>>
>> Rex-BC Chen (3):
>> dt-bindings: soc: mediatek: devapc: Add bindings for MT8186
>> soc: mediatek: devapc: Separate register offsets from mtk_devapc_data
>> soc: mediatek: devapc: Add support for MT8186
>
> Applied this on next-20220602 (with a few fixes for other section mismatch
> errors), booted and got:
>
> [ 1.948483] mtk-devapc 10207000.devapc: Read Violation
> [ 1.948488] mtk-devapc 10207000.devapc: Bus ID:0x100, Dom ID:0x0,
> Vio Addr:0x13000000
> [ 1.948520] mtk-devapc 10207000.devapc: Read Violation
> [ 1.948523] mtk-devapc 10207000.devapc: Bus ID:0x200, Dom ID:0x0,
> Vio Addr:0x140001a0
> [ 1.948537] mtk-devapc 10207000.devapc: Read Violation
> [ 1.948540] mtk-devapc 10207000.devapc: Bus ID:0x200, Dom ID:0x0,
> Vio Addr:0x140001a0
> [ 1.948555] mtk-devapc 10207000.devapc: Read Violation
> [ 1.948558] mtk-devapc 10207000.devapc: Bus ID:0x200, Dom ID:0x0,
> Vio Addr:0x14000100
> [ 1.948573] mtk-devapc 10207000.devapc: Read Violation
> [ 1.948576] mtk-devapc 10207000.devapc: Bus ID:0x200, Dom ID:0x0,
> Vio Addr:0x14000100
> [ 1.948590] mtk-devapc 10207000.devapc: Read Violation
> [ 1.948593] mtk-devapc 10207000.devapc: Bus ID:0x200, Dom ID:0x0,
> Vio Addr:0x14000100
> [ 1.948607] mtk-devapc 10207000.devapc: Read Violation
> [ 1.948610] mtk-devapc 10207000.devapc: Bus ID:0x200, Dom ID:0x0,
> Vio Addr:0x14000100
> [ 1.948624] mtk-devapc 10207000.devapc: Read Violation
> [ 1.948627] mtk-devapc 10207000.devapc: Bus ID:0x200, Dom ID:0x0,
> Vio Addr:0x14000100
>
> during the boot process. So I think this works well. Manually reading a
> known secure address also triggers it:
>
> root@hayato:~# busybox devmem 0x1000e000
> 0x00000000
> [ 135.069121] mtk-devapc 10207000.devapc: Read Violation
> [ 135.069132] mtk-devapc 10207000.devapc: Bus ID:0x482, Dom ID:0x0,
> Vio Addr:0x1000e000
>
> So,
>
> Tested-by: Chen-Yu Tsai <wenst@chromium.org>
>
Whole series applied to v5.19-next/soc
> BTW, looks like MT8186 support in mainline is shaping up real good.
> SCP firmware is still missing, so video codec stuff won't work.
^ permalink raw reply [flat|nested] 11+ messages in thread