soc: ti: k3: ringacc: add am65x sr2.0 support (95e7be06) · Commits · 戴 / test

drivers/soc/ti/k3-ringacc.c

+30 −3

Original line number	Diff line number	Diff line
		@@ -10,6 +10,7 @@
		#include <linux/init.h>
		#include <linux/of.h>
		#include <linux/platform_device.h>
		#include <linux/sys_soc.h>
		#include <linux/soc/ti/k3-ringacc.h>
		#include <linux/soc/ti/ti_sci_protocol.h>
		#include <linux/soc/ti/ti_sci_inta_msi.h>
		@@ -208,6 +209,15 @@ struct k3_ringacc {
		const struct k3_ringacc_ops *ops;
		};

		/**
		* struct k3_ringacc - Rings accelerator SoC data
		*
		* @dma_ring_reset_quirk: DMA reset w/a enable
		*/
		struct k3_ringacc_soc_data {
		unsigned dma_ring_reset_quirk:1;
		};

		static long k3_ringacc_ring_get_fifo_pos(struct k3_ring *ring)
		{
		return K3_RINGACC_FIFO_WINDOW_SIZE_BYTES -
		@@ -1051,9 +1061,6 @@ static int k3_ringacc_probe_dt(struct k3_ringacc *ringacc)
		return ret;
		}

		ringacc->dma_ring_reset_quirk =
		of_property_read_bool(node, "ti,dma-ring-reset-quirk");

		ringacc->tisci = ti_sci_get_by_phandle(node, "ti,sci");
		if (IS_ERR(ringacc->tisci)) {
		ret = PTR_ERR(ringacc->tisci);
		@@ -1084,9 +1091,22 @@ static int k3_ringacc_probe_dt(struct k3_ringacc *ringacc)
		ringacc->rm_gp_range);
		}

		static const struct k3_ringacc_soc_data k3_ringacc_soc_data_sr1 = {
		.dma_ring_reset_quirk = 1,
		};

		static const struct soc_device_attribute k3_ringacc_socinfo[] = {
		{ .family = "AM65X",
		.revision = "SR1.0",
		.data = &k3_ringacc_soc_data_sr1
		},
		{/* sentinel */}
		};

		static int k3_ringacc_init(struct platform_device *pdev,
		struct k3_ringacc *ringacc)
		{
		const struct soc_device_attribute *soc;
		void __iomem base_fifo, base_rt;
		struct device *dev = &pdev->dev;
		struct resource *res;
		@@ -1103,6 +1123,13 @@ static int k3_ringacc_init(struct platform_device *pdev,
		if (ret)
		return ret;

		soc = soc_device_match(k3_ringacc_socinfo);
		if (soc && soc->data) {
		const struct k3_ringacc_soc_data *soc_data = soc->data;

		ringacc->dma_ring_reset_quirk = soc_data->dma_ring_reset_quirk;
		}

		res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "rt");
		base_rt = devm_ioremap_resource(dev, res);
		if (IS_ERR(base_rt))

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