From: allen-kh.cheng <allen-kh.cheng@mediatek.com>
To: Ohad Ben-Cohen <ohad@wizery.com>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Mathieu Poirier <mathieu.poirier@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
Tinghan Shen <tinghan.shen@mediatek.com>
Cc: Mark Brown <broonie@kernel.org>,
<linux-remoteproc@vger.kernel.org>,
<Project_Global_Chrome_Upstream_Group@mediatek.com>,
<linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-mediatek@lists.infradead.org>,
allen-kh.cheng <allen-kh.cheng@mediatek.com>
Subject: [PATCH 2/2] remoteproc: mediatek: Support mt8186 scp
Date: Mon, 3 Jan 2022 15:58:54 +0800 [thread overview]
Message-ID: <20220103075854.10438-2-allen-kh.cheng@mediatek.com> (raw)
In-Reply-To: <20220103075854.10438-1-allen-kh.cheng@mediatek.com>
Add SCP support for mt8186
Signed-off-by: Allen-KH Cheng <allen-kh.cheng@mediatek.com>
---
drivers/remoteproc/mtk_scp.c | 39 ++++++++++++++++++++++++++++++++++++
1 file changed, 39 insertions(+)
diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c
index 36e48cf58ed6..38eab6b86fd7 100644
--- a/drivers/remoteproc/mtk_scp.c
+++ b/drivers/remoteproc/mtk_scp.c
@@ -365,6 +365,31 @@ static int mt8183_scp_before_load(struct mtk_scp *scp)
return 0;
}
+static int mt8186_scp_before_load(struct mtk_scp *scp)
+{
+ int i;
+
+ /* Clear SCP to host interrupt */
+ writel(MT8183_SCP_IPC_INT_BIT, scp->reg_base + MT8183_SCP_TO_HOST);
+
+ /* Reset clocks before loading FW */
+ writel(0x0, scp->reg_base + MT8183_SCP_CLK_SW_SEL);
+ writel(0x0, scp->reg_base + MT8183_SCP_CLK_DIV_SEL);
+
+ /* Turn on the power of SCP's SRAM before using it. Enable 1 block per time*/
+ for (i = 31; i >= 0; i--)
+ writel(GENMASK(i, 0), scp->reg_base + MT8183_SCP_SRAM_PDN);
+ writel(0, scp->reg_base + MT8183_SCP_SRAM_PDN);
+
+ /* Initialize TCM before loading FW. */
+ writel(0x0, scp->reg_base + MT8183_SCP_L1_SRAM_PD);
+ writel(0x0, scp->reg_base + MT8183_SCP_TCM_TAIL_SRAM_PD);
+ writel(0x0, scp->reg_base + MT8186_SCP_L1_SRAM_PD_P1);
+ writel(0x0, scp->reg_base + MT8186_SCP_L1_SRAM_PD_p2);
+
+ return 0;
+}
+
static void mt8192_power_on_sram(void __iomem *addr)
{
int i;
@@ -887,6 +912,19 @@ static const struct mtk_scp_of_data mt8183_of_data = {
.ipi_buf_offset = 0x7bdb0,
};
+static const struct mtk_scp_of_data mt8186_of_data = {
+ .scp_clk_get = mt8195_scp_clk_get,
+ .scp_before_load = mt8186_scp_before_load,
+ .scp_irq_handler = mt8183_scp_irq_handler,
+ .scp_reset_assert = mt8183_scp_reset_assert,
+ .scp_reset_deassert = mt8183_scp_reset_deassert,
+ .scp_stop = mt8183_scp_stop,
+ .scp_da_to_va = mt8183_scp_da_to_va,
+ .host_to_scp_reg = MT8183_HOST_TO_SCP,
+ .host_to_scp_int_bit = MT8183_HOST_IPC_INT_BIT,
+ .ipi_buf_offset = 0x7bdb0,
+};
+
static const struct mtk_scp_of_data mt8192_of_data = {
.scp_clk_get = mt8192_scp_clk_get,
.scp_before_load = mt8192_scp_before_load,
@@ -913,6 +951,7 @@ static const struct mtk_scp_of_data mt8195_of_data = {
static const struct of_device_id mtk_scp_of_match[] = {
{ .compatible = "mediatek,mt8183-scp", .data = &mt8183_of_data },
+ { .compatible = "mediatek,mt8186-scp", .data = &mt8186_of_data },
{ .compatible = "mediatek,mt8192-scp", .data = &mt8192_of_data },
{ .compatible = "mediatek,mt8195-scp", .data = &mt8195_of_data },
{},
--
2.18.0
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next prev parent reply other threads:[~2022-01-03 8:00 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-03 7:58 [PATCH 1/2] dt-bindings: remoteproc: mediatek: Add binding for mt8186 scp allen-kh.cheng
2022-01-03 7:58 ` allen-kh.cheng [this message]
2022-01-04 8:43 ` [PATCH 2/2] remoteproc: mediatek: Support " AngeloGioacchino Del Regno
2022-01-04 8:43 ` [PATCH 1/2] dt-bindings: remoteproc: mediatek: Add binding for " AngeloGioacchino Del Regno
-- strict thread matches above, loose matches on Subject: below --
2022-01-04 11:47 [PATCH 0/2] Add SCP support for mt8186 allen-kh.cheng
2022-01-04 11:47 ` [PATCH 2/2] remoteproc: mediatek: Support mt8186 scp allen-kh.cheng
2022-01-05 9:19 ` AngeloGioacchino Del Regno
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