LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
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 v3 1/7] venus: firmware: enable no tz fw loading for sc7280
Date: Wed, 14 Jul 2021 12:31:02 +0530	[thread overview]
Message-ID: <1626246068-21023-2-git-send-email-dikshita@codeaurora.org> (raw)
In-Reply-To: <1626246068-21023-1-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     | 42 +++++++++++++++++-------
 drivers/media/platform/qcom/venus/hfi_venus_io.h |  2 ++
 2 files changed, 33 insertions(+), 11 deletions(-)

diff --git a/drivers/media/platform/qcom/venus/firmware.c b/drivers/media/platform/qcom/venus/firmware.c
index 227bd3b..14b6f1d 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 +40,17 @@ 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 +67,9 @@ 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 +175,19 @@ 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;
 
-	/* 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);
-
+	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);
+	}
 	/* 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


  reply	other threads:[~2021-07-14  7:01 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-14  7:01 [PATCH v3 0/7] media: venus: Enable venus support on sc7280 Dikshita Agarwal
2021-07-14  7:01 ` Dikshita Agarwal [this message]
2021-07-14  7:01 ` [PATCH v3 2/7] media: venus: core: Add sc7280 DT compatible and resource data Dikshita Agarwal
2021-07-14  7:01 ` [PATCH v3 3/7] media: venus: Add num_vpp_pipes to resource structure Dikshita Agarwal
2021-07-14  7:01 ` [PATCH v3 4/7] media: venus: hfi: Skip AON register programming for V6 1pipe Dikshita Agarwal
2021-07-14  7:01 ` [PATCH v3 5/7] venus: vdec: set work route to fw Dikshita Agarwal
2021-07-14  7:01 ` [PATCH v3 6/7] media: venus: helpers: update NUM_MBS macro calculation Dikshita Agarwal
2021-07-14  7:01 ` [PATCH v3 7/7] media: venus: Set buffer to FW based on FW min count requirement Dikshita Agarwal
2021-07-28 14:53   ` Stanimir Varbanov
2021-08-02  7:50     ` dikshita
2021-08-03  8:00       ` Stanimir Varbanov
2021-07-28  9:52 ` [PATCH v3 0/7] media: venus: Enable venus support on sc7280 Stanimir Varbanov

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1626246068-21023-2-git-send-email-dikshita@codeaurora.org \
    --to=dikshita@codeaurora.org \
    --cc=linux-arm-msm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-media@vger.kernel.org \
    --cc=stanimir.varbanov@linaro.org \
    --cc=vgarodia@codeaurora.org \
    --subject='Re: [PATCH v3 1/7] venus: firmware: enable no tz fw loading for sc7280' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).