add driver 5G

hc

2024-01-31 f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2

 kernel/arch/arm/mach-shmobile/setup-rcar-gen2.c
..
..
@@ -7,24 +7,26 @@
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  * Copyright (C) 2014  Ulrich Hecht
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  */
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-#include <linux/clk-provider.h>
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 #include <linux/clocksource.h>
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 #include <linux/device.h>
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-#include <linux/dma-contiguous.h>
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+#include <linux/dma-map-ops.h>
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 #include <linux/io.h>
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 #include <linux/kernel.h>
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 #include <linux/memblock.h>
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 #include <linux/of.h>
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+#include <linux/of_clk.h>
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 #include <linux/of_fdt.h>
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 #include <linux/of_platform.h>
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+#include <linux/psci.h>
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 #include <asm/mach/arch.h>
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 #include <asm/secure_cntvoff.h>
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 #include "common.h"
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 #include "rcar-gen2.h"
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 static const struct of_device_id cpg_matches[] __initconst = {
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-	{ .compatible = "renesas,rcar-gen2-cpg-clocks", },
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+	{ .compatible = "renesas,r8a7742-cpg-mssr", .data = "extal" },
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 	{ .compatible = "renesas,r8a7743-cpg-mssr", .data = "extal" },
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+	{ .compatible = "renesas,r8a7744-cpg-mssr", .data = "extal" },
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 	{ .compatible = "renesas,r8a7790-cpg-mssr", .data = "extal" },
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 	{ .compatible = "renesas,r8a7791-cpg-mssr", .data = "extal" },
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 	{ .compatible = "renesas,r8a7793-cpg-mssr", .data = "extal" },
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@@ -57,10 +59,25 @@
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 #define CNTCR 0
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 #define CNTFID0 0x20
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-void __init rcar_gen2_timer_init(void)
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+static void __init rcar_gen2_timer_init(void)
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 {
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+	bool need_update = true;
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 	void __iomem *base;
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 	u32 freq;
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+
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+	/*
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+	 * If PSCI is available then most likely we are running on PSCI-enabled
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+	 * U-Boot which, we assume, has already taken care of resetting CNTVOFF
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+	 * and updating counter module before switching to non-secure mode
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+	 * and we don't need to.
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+	 */
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+#ifdef CONFIG_ARM_PSCI_FW
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+	if (psci_ops.cpu_on)
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+		need_update = false;
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+#endif
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+
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+	if (need_update == false)
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+		goto skip_update;
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 	secure_cntvoff_init();
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..
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@@ -101,6 +118,7 @@
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 	iounmap(base);
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+skip_update:
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 	of_clk_init(NULL);
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 	timer_probe();
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 }
..
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@@ -156,7 +174,7 @@
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 	return 0;
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 }
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-void __init rcar_gen2_reserve(void)
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+static void __init rcar_gen2_reserve(void)
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 {
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 	struct memory_reserve_config mrc;
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..
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@@ -192,7 +210,9 @@
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 MACHINE_END
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 static const char * const rz_g1_boards_compat_dt[] __initconst = {
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+	"renesas,r8a7742",
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 	"renesas,r8a7743",
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+	"renesas,r8a7744",
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 	"renesas,r8a7745",
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 	"renesas,r8a77470",
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 	NULL,