2025-01-03 03:30:57 +00:00
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From ba5da30440309bcd501e923f3a068aacf32568b7 Mon Sep 17 00:00:00 2001
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2024-12-15 18:29:23 +00:00
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From: yangwei1 <yangwei1@eswincomputing.com>
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Date: Tue, 2 Jul 2024 20:09:02 +0800
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2024-12-27 22:35:16 +00:00
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Subject: [PATCH 062/222] fix:set npu default freq to 1.5G
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2024-12-15 18:29:23 +00:00
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Changelogs:
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set npu default freq to 1.5G and voltage to 1.05v
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---
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drivers/memory/eswin/codacache/llc_spram.c | 32 +++++++++++++---------
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1 file changed, 19 insertions(+), 13 deletions(-)
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diff --git a/drivers/memory/eswin/codacache/llc_spram.c b/drivers/memory/eswin/codacache/llc_spram.c
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index e84f3650ae37..4e9027dd5db9 100644
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--- a/drivers/memory/eswin/codacache/llc_spram.c
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+++ b/drivers/memory/eswin/codacache/llc_spram.c
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@@ -683,7 +683,7 @@ static int llc_rst_init(struct platform_device *pdev)
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return 0;
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}
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-static int llc_clk_set_parent(struct platform_device *pdev, u8 *is_high_freq)
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+static int llc_clk_set_parent(struct platform_device *pdev, u8 *is_low_freq)
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{
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int ret;
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struct spram_dev *spram = platform_get_drvdata(pdev);
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@@ -700,18 +700,24 @@ static int llc_clk_set_parent(struct platform_device *pdev, u8 *is_high_freq)
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if ((NULL == npu_regulator) || (IS_ERR(npu_regulator)))
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{
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dev_warn(dev, "failed to get npu regulator\n");
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- *is_high_freq = 0;
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+ *is_low_freq = 0;
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+ return -ENODEV;
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}
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else
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{
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- *is_high_freq = of_property_read_bool(np, "apply_npu_high_freq");
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- dev_dbg(dev, "success to get npu regulator,apply_npu_high_freq:%d\n",
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- *is_high_freq);
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+ *is_low_freq = (of_property_read_bool(np, "apply_npu_1G_freq"));
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+ dev_dbg(dev, "success to get npu regulator,apply_npu_1G_freq:%d\n",
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+ *is_low_freq);
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}
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- if (1 == *is_high_freq)
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+
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+ if (0 == *is_low_freq)
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{
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- regulator_set_voltage(npu_regulator, NPU_1P5G_VOLTAGE, NPU_1P5G_VOLTAGE);
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- dev_dbg(dev, "set volt:%duV ret:%d\n", NPU_1P5G_VOLTAGE,ret);
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+ ret = regulator_set_voltage(npu_regulator, NPU_1P5G_VOLTAGE, NPU_1P5G_VOLTAGE);
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+ if(0 != ret)
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+ {
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+ dev_err(dev, "set volt:%duV ret:%d\n", NPU_1P5G_VOLTAGE,ret);
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+ return -EINVAL;
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+ }
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/* devm_regulator_put(npu_regulator); */
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mdelay(10);
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ret = clk_set_parent(spram->mux_u_npu_core_3mux1_gfree,
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@@ -738,7 +744,7 @@ static int llc_clk_set_parent(struct platform_device *pdev, u8 *is_high_freq)
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return 0;
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}
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-static int llc_clk_set_frq(struct platform_device *pdev, u8 is_high_freq)
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+static int llc_clk_set_frq(struct platform_device *pdev, u8 is_low_freq)
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{
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int ret;
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unsigned long rate = 0;
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@@ -755,7 +761,7 @@ static int llc_clk_set_frq(struct platform_device *pdev, u8 is_high_freq)
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return ret;
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}
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- if (1 == is_high_freq)
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+ if (0 == is_low_freq)
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{
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rate = clk_round_rate(spram->llc_clk, NPU_LLC_CLK_1P5G_RATE);
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ret = clk_set_rate(spram->llc_clk, rate);
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@@ -881,7 +887,7 @@ static int llc_clk_rst_print(struct platform_device *pdev)
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static int llc_clk_rst_init(struct platform_device *pdev)
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{
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int ret = 0;
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- u8 is_high_freq = 0;
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+ u8 is_low_freq = 0;
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dev_dbg(&pdev->dev, "---%s\n", __func__);
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@@ -891,7 +897,7 @@ static int llc_clk_rst_init(struct platform_device *pdev)
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return ret;
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}
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- ret = llc_clk_set_parent(pdev, &is_high_freq);
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+ ret = llc_clk_set_parent(pdev, &is_low_freq);
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if(ret != 0){
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dev_err(&pdev->dev, "llc_clk_set_parent error: %d\n", ret);
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return ret;
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@@ -903,7 +909,7 @@ static int llc_clk_rst_init(struct platform_device *pdev)
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return ret;
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}
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- ret = llc_clk_set_frq(pdev, is_high_freq);
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+ ret = llc_clk_set_frq(pdev, is_low_freq);
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if(ret != 0){
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dev_err(&pdev->dev, "llc_clk_set_frq error: %d\n", ret);
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return ret;
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--
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2.47.0
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