From: Dikshita Agarwal <dikshita@codeaurora.org>
To: linux-media@vger.kernel.org, stanimir.varbanov@linaro.org
Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
vgarodia@codeaurora.org,
Dikshita Agarwal <dikshita@codeaurora.org>
Subject: [PATCH v2 1/7] venus: firmware: enable no tz fw loading for sc7280
Date: Thu, 1 Jul 2021 13:35:30 +0530 [thread overview]
Message-ID: <1625126736-16266-2-git-send-email-dikshita@codeaurora.org> (raw)
In-Reply-To: <1625126736-16266-1-git-send-email-dikshita@codeaurora.org>
- Enable no tz FW loading.
- add routine to reset XTSS.
Signed-off-by: Dikshita Agarwal <dikshita@codeaurora.org>
---
drivers/media/platform/qcom/venus/firmware.c | 41 ++++++++++++++++++------
drivers/media/platform/qcom/venus/hfi_venus_io.h | 2 ++
2 files changed, 33 insertions(+), 10 deletions(-)
diff --git a/drivers/media/platform/qcom/venus/firmware.c b/drivers/media/platform/qcom/venus/firmware.c
index 227bd3b..d5a4674 100644
--- a/drivers/media/platform/qcom/venus/firmware.c
+++ b/drivers/media/platform/qcom/venus/firmware.c
@@ -27,7 +27,12 @@
static void venus_reset_cpu(struct venus_core *core)
{
u32 fw_size = core->fw.mapped_mem_size;
- void __iomem *wrapper_base = core->wrapper_base;
+ void __iomem *wrapper_base;
+
+ if (IS_V6(core))
+ wrapper_base = core->wrapper_tz_base;
+ else
+ wrapper_base = core->wrapper_base;
writel(0, wrapper_base + WRAPPER_FW_START_ADDR);
writel(fw_size, wrapper_base + WRAPPER_FW_END_ADDR);
@@ -35,11 +40,18 @@ static void venus_reset_cpu(struct venus_core *core)
writel(fw_size, wrapper_base + WRAPPER_CPA_END_ADDR);
writel(fw_size, wrapper_base + WRAPPER_NONPIX_START_ADDR);
writel(fw_size, wrapper_base + WRAPPER_NONPIX_END_ADDR);
- writel(0x0, wrapper_base + WRAPPER_CPU_CGC_DIS);
- writel(0x0, wrapper_base + WRAPPER_CPU_CLOCK_CONFIG);
- /* Bring ARM9 out of reset */
- writel(0, wrapper_base + WRAPPER_A9SS_SW_RESET);
+ if (IS_V6(core)) {
+ /* Bring XTSS out of reset */
+ writel(0, wrapper_base + WRAPPER_TZ_XTSS_SW_RESET);
+ }
+ else {
+ writel(0x0, wrapper_base + WRAPPER_CPU_CGC_DIS);
+ writel(0x0, wrapper_base + WRAPPER_CPU_CLOCK_CONFIG);
+
+ /* Bring ARM9 out of reset */
+ writel(0, wrapper_base + WRAPPER_A9SS_SW_RESET);
+ }
}
int venus_set_hw_state(struct venus_core *core, bool resume)
@@ -56,7 +68,9 @@ int venus_set_hw_state(struct venus_core *core, bool resume)
if (resume) {
venus_reset_cpu(core);
} else {
- if (!IS_V6(core))
+ if (IS_V6(core))
+ writel(1, core->wrapper_tz_base + WRAPPER_TZ_XTSS_SW_RESET);
+ else
writel(1, core->wrapper_base + WRAPPER_A9SS_SW_RESET);
}
@@ -162,12 +176,19 @@ static int venus_shutdown_no_tz(struct venus_core *core)
u32 reg;
struct device *dev = core->fw.dev;
void __iomem *wrapper_base = core->wrapper_base;
+ void __iomem *wrapper_tz_base = core->wrapper_tz_base;
+ if (IS_V6(core)) {
+ /* Assert the reset to XTSS */
+ reg = readl_relaxed(wrapper_tz_base + WRAPPER_TZ_XTSS_SW_RESET);
+ reg |= WRAPPER_XTSS_SW_RESET_BIT;
+ writel_relaxed(reg, wrapper_tz_base + WRAPPER_TZ_XTSS_SW_RESET);
+ } else {
/* Assert the reset to ARM9 */
- reg = readl_relaxed(wrapper_base + WRAPPER_A9SS_SW_RESET);
- reg |= WRAPPER_A9SS_SW_RESET_BIT;
- writel_relaxed(reg, wrapper_base + WRAPPER_A9SS_SW_RESET);
-
+ reg = readl_relaxed(wrapper_base + WRAPPER_A9SS_SW_RESET);
+ reg |= WRAPPER_A9SS_SW_RESET_BIT;
+ writel_relaxed(reg, wrapper_base + WRAPPER_A9SS_SW_RESET);
+ }
/* Make sure reset is asserted before the mapping is removed */
mb();
diff --git a/drivers/media/platform/qcom/venus/hfi_venus_io.h b/drivers/media/platform/qcom/venus/hfi_venus_io.h
index 300c6e47..9735a24 100644
--- a/drivers/media/platform/qcom/venus/hfi_venus_io.h
+++ b/drivers/media/platform/qcom/venus/hfi_venus_io.h
@@ -149,6 +149,8 @@
/* Wrapper TZ 6xx */
#define WRAPPER_TZ_BASE_V6 0x000c0000
#define WRAPPER_TZ_CPU_STATUS_V6 0x10
+#define WRAPPER_TZ_XTSS_SW_RESET 0x1000
+#define WRAPPER_XTSS_SW_RESET_BIT BIT(0)
/* Venus AON */
#define AON_BASE_V6 0x000e0000
--
2.7.4
next prev parent reply other threads:[~2021-07-01 8:06 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-01 8:05 [PATCH v2 0/7] media: venus: Enable venus support on sc7280 Dikshita Agarwal
2021-07-01 8:05 ` Dikshita Agarwal [this message]
2021-07-05 9:38 ` [PATCH v2 1/7] venus: firmware: enable no tz fw loading for sc7280 Stanimir Varbanov
2021-07-01 8:05 ` [PATCH v2 2/7] media: venus: core: Add sc7280 DT compatible and resource data Dikshita Agarwal
2021-07-01 8:05 ` [PATCH v2 3/7] media: venus: Add num_vpp_pipes to resource structure Dikshita Agarwal
2021-07-01 8:05 ` [PATCH v2 4/7] media: venus: hfi: Skip AON register programming for V6 1pipe Dikshita Agarwal
2021-07-01 8:05 ` [PATCH v2 5/7] venus: vdec: set work route to fw Dikshita Agarwal
2021-07-01 8:05 ` [PATCH v2 6/7] media: venus: helpers: update NUM_MBS macro calculation Dikshita Agarwal
2021-07-01 8:05 ` [PATCH v2 7/7] media: venus: Set buffer to FW based on FW min count requirement Dikshita Agarwal
2021-07-05 9:43 ` Stanimir Varbanov
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