jh71x0: update patches and config
[openwrt/staging/wigyori.git] / target / linux / jh71x0 / patches-6.1 / 0108-dmaengine-dw-axi-dmac-Add-support-for-StarFive-JH711.patch
diff --git a/target/linux/jh71x0/patches-6.1/0108-dmaengine-dw-axi-dmac-Add-support-for-StarFive-JH711.patch b/target/linux/jh71x0/patches-6.1/0108-dmaengine-dw-axi-dmac-Add-support-for-StarFive-JH711.patch
deleted file mode 100644 (file)
index 87a91fd..0000000
+++ /dev/null
@@ -1,128 +0,0 @@
-From 1f58a1e1402d42eb2cb5790ce0bfb5f9f73daa42 Mon Sep 17 00:00:00 2001
-From: Walker Chen <walker.chen@starfivetech.com>
-Date: Wed, 22 Mar 2023 17:48:18 +0800
-Subject: [PATCH 108/111] dmaengine: dw-axi-dmac: Add support for StarFive
- JH7110 DMA
-
-Add DMA reset operation in device probe and use different configuration
-on CH_CFG registers according to match data. Update all uses of
-of_device_is_compatible with of_device_get_match_data.
-
-Signed-off-by: Walker Chen <walker.chen@starfivetech.com>
-Reviewed-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
----
- .../dma/dw-axi-dmac/dw-axi-dmac-platform.c    | 38 ++++++++++++++++---
- drivers/dma/dw-axi-dmac/dw-axi-dmac.h         |  1 +
- 2 files changed, 34 insertions(+), 5 deletions(-)
-
-diff --git a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
-index 4169e1d7d5ca..6cfcb541d8c3 100644
---- a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
-+++ b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
-@@ -21,10 +21,12 @@
- #include <linux/kernel.h>
- #include <linux/module.h>
- #include <linux/of.h>
-+#include <linux/of_device.h>
- #include <linux/of_dma.h>
- #include <linux/platform_device.h>
- #include <linux/pm_runtime.h>
- #include <linux/property.h>
-+#include <linux/reset.h>
- #include <linux/slab.h>
- #include <linux/types.h>
-@@ -46,6 +48,10 @@
-       DMA_SLAVE_BUSWIDTH_32_BYTES     | \
-       DMA_SLAVE_BUSWIDTH_64_BYTES)
-+#define AXI_DMA_FLAG_HAS_APB_REGS     BIT(0)
-+#define AXI_DMA_FLAG_HAS_RESETS               BIT(1)
-+#define AXI_DMA_FLAG_USE_CFG2         BIT(2)
-+
- static inline void
- axi_dma_iowrite32(struct axi_dma_chip *chip, u32 reg, u32 val)
- {
-@@ -86,7 +92,8 @@ static inline void axi_chan_config_write(struct axi_dma_chan *chan,
-       cfg_lo = (config->dst_multblk_type << CH_CFG_L_DST_MULTBLK_TYPE_POS |
-                 config->src_multblk_type << CH_CFG_L_SRC_MULTBLK_TYPE_POS);
--      if (chan->chip->dw->hdata->reg_map_8_channels) {
-+      if (chan->chip->dw->hdata->reg_map_8_channels &&
-+          !chan->chip->dw->hdata->use_cfg2) {
-               cfg_hi = config->tt_fc << CH_CFG_H_TT_FC_POS |
-                        config->hs_sel_src << CH_CFG_H_HS_SEL_SRC_POS |
-                        config->hs_sel_dst << CH_CFG_H_HS_SEL_DST_POS |
-@@ -1367,10 +1374,11 @@ static int parse_device_properties(struct axi_dma_chip *chip)
- static int dw_probe(struct platform_device *pdev)
- {
--      struct device_node *node = pdev->dev.of_node;
-       struct axi_dma_chip *chip;
-       struct dw_axi_dma *dw;
-       struct dw_axi_dma_hcfg *hdata;
-+      struct reset_control *resets;
-+      unsigned int flags;
-       u32 i;
-       int ret;
-@@ -1398,12 +1406,25 @@ static int dw_probe(struct platform_device *pdev)
-       if (IS_ERR(chip->regs))
-               return PTR_ERR(chip->regs);
--      if (of_device_is_compatible(node, "intel,kmb-axi-dma")) {
-+      flags = (uintptr_t)of_device_get_match_data(&pdev->dev);
-+      if (flags & AXI_DMA_FLAG_HAS_APB_REGS) {
-               chip->apb_regs = devm_platform_ioremap_resource(pdev, 1);
-               if (IS_ERR(chip->apb_regs))
-                       return PTR_ERR(chip->apb_regs);
-       }
-+      if (flags & AXI_DMA_FLAG_HAS_RESETS) {
-+              resets = devm_reset_control_array_get_exclusive(&pdev->dev);
-+              if (IS_ERR(resets))
-+                      return PTR_ERR(resets);
-+
-+              ret = reset_control_deassert(resets);
-+              if (ret)
-+                      return ret;
-+      }
-+
-+      chip->dw->hdata->use_cfg2 = !!(flags & AXI_DMA_FLAG_USE_CFG2);
-+
-       chip->core_clk = devm_clk_get(chip->dev, "core-clk");
-       if (IS_ERR(chip->core_clk))
-               return PTR_ERR(chip->core_clk);
-@@ -1554,8 +1575,15 @@ static const struct dev_pm_ops dw_axi_dma_pm_ops = {
- };
- static const struct of_device_id dw_dma_of_id_table[] = {
--      { .compatible = "snps,axi-dma-1.01a" },
--      { .compatible = "intel,kmb-axi-dma" },
-+      {
-+              .compatible = "snps,axi-dma-1.01a"
-+      }, {
-+              .compatible = "intel,kmb-axi-dma",
-+              .data = (void *)AXI_DMA_FLAG_HAS_APB_REGS,
-+      }, {
-+              .compatible = "starfive,jh7110-axi-dma",
-+              .data = (void *)(AXI_DMA_FLAG_HAS_RESETS | AXI_DMA_FLAG_USE_CFG2),
-+      },
-       {}
- };
- MODULE_DEVICE_TABLE(of, dw_dma_of_id_table);
-diff --git a/drivers/dma/dw-axi-dmac/dw-axi-dmac.h b/drivers/dma/dw-axi-dmac/dw-axi-dmac.h
-index e9d5eb0fd594..eb267cb24f67 100644
---- a/drivers/dma/dw-axi-dmac/dw-axi-dmac.h
-+++ b/drivers/dma/dw-axi-dmac/dw-axi-dmac.h
-@@ -33,6 +33,7 @@ struct dw_axi_dma_hcfg {
-       /* Register map for DMAX_NUM_CHANNELS <= 8 */
-       bool    reg_map_8_channels;
-       bool    restrict_axi_burst_len;
-+      bool    use_cfg2;
- };
- struct axi_dma_chan {
--- 
-2.20.1
-