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11d88dee1c
Reorder and update existing patches
Signed-off-by: Felix Fietkau <nbd@nbd.name>
(cherry picked from commit 6407ef8d2b)
[rmilecki: rebase & fix mt76 compilation]
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
82 lines
2.7 KiB
Diff
82 lines
2.7 KiB
Diff
From f292d1bf83ec160bef2532b58aa08f5b71041923 Mon Sep 17 00:00:00 2001
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Message-Id: <f292d1bf83ec160bef2532b58aa08f5b71041923.1678716918.git.lorenzo@kernel.org>
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In-Reply-To: <3cf212c4ce6cd72c09bc47f35f539ba0afd4d106.1678716918.git.lorenzo@kernel.org>
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References: <3cf212c4ce6cd72c09bc47f35f539ba0afd4d106.1678716918.git.lorenzo@kernel.org>
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From: Lorenzo Bianconi <lorenzo@kernel.org>
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Date: Sat, 11 Mar 2023 18:13:04 +0100
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Subject: [PATCH net-next 2/2] net: ethernet: mtk_wed: move cpuboot in a
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dedicated dts node
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Since the cpuboot memory region is not part of the RAM SoC, move cpuboot
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in a deidicated syscon node.
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This patch helps to keep backward-compatibility with older version of
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uboot codebase where we have a limit of 8 reserved-memory dts child
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nodes.
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Keep backward-compatibility with older dts version where cpuboot was
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defined as reserved-memory child node.
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Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
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---
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drivers/net/ethernet/mediatek/mtk_wed_mcu.c | 34 +++++++++++++++++----
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drivers/net/ethernet/mediatek/mtk_wed_wo.h | 3 +-
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2 files changed, 30 insertions(+), 7 deletions(-)
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--- a/drivers/net/ethernet/mediatek/mtk_wed_mcu.c
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+++ b/drivers/net/ethernet/mediatek/mtk_wed_mcu.c
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@@ -34,12 +34,23 @@ static struct mtk_wed_wo_memory_region m
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static u32 wo_r32(struct mtk_wed_wo *wo, u32 reg)
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{
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- return readl(mem_region[MTK_WED_WO_REGION_BOOT].addr + reg);
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+ u32 val;
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+
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+ if (!wo->boot_regmap)
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+ return readl(mem_region[MTK_WED_WO_REGION_BOOT].addr + reg);
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+
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+ if (regmap_read(wo->boot_regmap, reg, &val))
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+ val = ~0;
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+
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+ return val;
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}
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static void wo_w32(struct mtk_wed_wo *wo, u32 reg, u32 val)
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{
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- writel(val, mem_region[MTK_WED_WO_REGION_BOOT].addr + reg);
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+ if (wo->boot_regmap)
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+ regmap_write(wo->boot_regmap, reg, val);
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+ else
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+ writel(val, mem_region[MTK_WED_WO_REGION_BOOT].addr + reg);
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}
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static struct sk_buff *
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@@ -313,6 +324,9 @@ mtk_wed_mcu_load_firmware(struct mtk_wed
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u32 val, boot_cr;
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int ret, i;
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+ wo->boot_regmap = syscon_regmap_lookup_by_phandle(wo->hw->node,
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+ "mediatek,wo-cpuboot");
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+
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/* load firmware region metadata */
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for (i = 0; i < ARRAY_SIZE(mem_region); i++) {
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int index = of_property_match_string(wo->hw->node,
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@@ -321,6 +335,9 @@ mtk_wed_mcu_load_firmware(struct mtk_wed
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if (index < 0)
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continue;
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+ if (index == MTK_WED_WO_REGION_BOOT && !IS_ERR(wo->boot_regmap))
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+ continue;
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+
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ret = mtk_wed_get_reserved_memory_region(wo->hw, index, &mem_region[i]);
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if (ret)
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return ret;
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--- a/drivers/net/ethernet/mediatek/mtk_wed_wo.h
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+++ b/drivers/net/ethernet/mediatek/mtk_wed_wo.h
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@@ -231,6 +231,7 @@ struct mtk_wed_wo_queue {
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struct mtk_wed_wo {
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struct mtk_wed_hw *hw;
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+ struct regmap *boot_regmap;
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struct mtk_wed_wo_queue q_tx;
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struct mtk_wed_wo_queue q_rx;
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