ARM: SoC code changes for 6.7

The AMD Pensando DPU platform gets added to arm64, and some
 minor updates make it into Renesas' 32-bit platforms.
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Merge tag 'soc-arm-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC code updates from Arnd Bergmann:
 "The AMD Pensando DPU platform gets added to arm64, and some minor
  updates make it into Renesas' 32-bit platforms"

* tag 'soc-arm-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
  arm: debug: reuse the config DEBUG_OMAP2UART{1,2} for OMAP{3,4,5}
  arm64: Add config for AMD Pensando SoC platforms
  MAINTAINERS: Add entry for AMD PENSANDO
  ARM: shmobile: sh73a0: Reserve boot area when SMP is enabled
  ARM: shmobile: r8a7779: Reserve boot area when SMP is enabled
  ARM: shmobile: rcar-gen2: Reserve boot area when SMP is enabled
  ARM: shmobile: rcar-gen2: Remove unneeded once handling

MAINTAINERS

@@ -1826,6 +1826,13 @@ N:	allwinner
 N:	sun[x456789]i
 N:	sun[25]0i
 
+ARM/AMD PENSANDO ARM64 ARCHITECTURE
+M:	Brad Larson <blarson@amd.com>
+L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S:	Supported
+F:	Documentation/devicetree/bindings/*/amd,pensando*
+F:	arch/arm64/boot/dts/amd/elba*
+
 ARM/Amlogic Meson SoC CLOCK FRAMEWORK
 M:	Neil Armstrong <neil.armstrong@linaro.org>
 M:	Jerome Brunet <jbrunet@baylibre.com>

arch/arm/Kconfig.debug

@@ -1593,10 +1593,8 @@ config DEBUG_UART_PHYS
 	default 0x48020000 if DEBUG_OMAP4UART3 || DEBUG_TI81XXUART1
 	default 0x48022000 if DEBUG_TI81XXUART2
 	default 0x48024000 if DEBUG_TI81XXUART3
-	default 0x4806a000 if DEBUG_OMAP2UART1 || DEBUG_OMAP3UART1 || \
-				DEBUG_OMAP4UART1 || DEBUG_OMAP5UART1
-	default 0x4806c000 if DEBUG_OMAP2UART2 || DEBUG_OMAP3UART2 || \
-				DEBUG_OMAP4UART2 || DEBUG_OMAP5UART2
+	default 0x4806a000 if DEBUG_OMAP2UART1
+	default 0x4806c000 if DEBUG_OMAP2UART2
 	default 0x4806e000 if DEBUG_OMAP2UART3 || DEBUG_OMAP4UART4
 	default 0x49020000 if DEBUG_OMAP3UART3
 	default 0x49042000 if DEBUG_OMAP3UART4
@@ -1719,10 +1717,8 @@ config DEBUG_UART_VIRT
 	default 0xfa020000 if DEBUG_OMAP4UART3 || DEBUG_TI81XXUART1
 	default 0xfa022000 if DEBUG_TI81XXUART2
 	default 0xfa024000 if DEBUG_TI81XXUART3
-	default 0xfa06a000 if DEBUG_OMAP2UART1 || DEBUG_OMAP3UART1 || \
-				DEBUG_OMAP4UART1 || DEBUG_OMAP5UART1
-	default 0xfa06c000 if DEBUG_OMAP2UART2 || DEBUG_OMAP3UART2 || \
-				DEBUG_OMAP4UART2 || DEBUG_OMAP5UART2
+	default 0xfa06a000 if DEBUG_OMAP2UART1
+	default 0xfa06c000 if DEBUG_OMAP2UART2
 	default 0xfa06e000 if DEBUG_OMAP2UART3 || DEBUG_OMAP4UART4
 	default 0xfa71e000 if DEBUG_QCOM_UARTDM
 	default 0xfb009000 if DEBUG_REALVIEW_STD_PORT

arch/arm/mach-shmobile/pm-rcar-gen2.c

@@ -46,15 +46,16 @@ void __init rcar_gen2_pm_init(void)
 {
 	void __iomem *p;
 	u32 bar;
-	static int once;
 	struct device_node *np;
 	bool has_a7 = false;
 	bool has_a15 = false;
 	struct resource res;
 	int error;
 
-	if (once++)
+	if (!request_mem_region(0, SZ_256K, "Boot Area")) {
+		pr_err("Failed to request boot area\n");
 		return;
+	}
 
 	for_each_of_cpu_node(np) {
 		if (of_device_is_compatible(np, "arm,cortex-a15"))

arch/arm/mach-shmobile/smp-r8a7779.c

@@ -38,7 +38,14 @@ static int r8a7779_boot_secondary(unsigned int cpu, struct task_struct *idle)
 
 static void __init r8a7779_smp_prepare_cpus(unsigned int max_cpus)
 {
-	void __iomem *base = ioremap(HPBREG_BASE, 0x1000);
+	void __iomem *base;
+
+	if (!request_mem_region(0, SZ_4K, "Boot Area")) {
+		pr_err("Failed to request boot area\n");
+		return;
+	}
+
+	base = ioremap(HPBREG_BASE, 0x1000);
 
 	/* Map the reset vector (in headsmp-scu.S, headsmp.S) */
 	writel(__pa(shmobile_boot_vector), base + AVECR);

arch/arm/mach-shmobile/smp-sh73a0.c

@@ -44,10 +44,16 @@ static int sh73a0_boot_secondary(unsigned int cpu, struct task_struct *idle)
 
 static void __init sh73a0_smp_prepare_cpus(unsigned int max_cpus)
 {
-	void __iomem *ap = ioremap(AP_BASE, PAGE_SIZE);
-	void __iomem *sysc = ioremap(SYSC_BASE, PAGE_SIZE);
+	void __iomem *ap, *sysc;
+
+	if (!request_mem_region(0, SZ_4K, "Boot Area")) {
+		pr_err("Failed to request boot area\n");
+		return;
+	}
 
 	/* Map the reset vector (in headsmp.S) */
+	ap = ioremap(AP_BASE, PAGE_SIZE);
+	sysc = ioremap(SYSC_BASE, PAGE_SIZE);
 	writel(0, ap + APARMBAREA);      /* 4k */
 	writel(__pa(shmobile_boot_vector), sysc + SBAR);
 	iounmap(sysc);

arch/arm64/Kconfig.platforms

@@ -244,6 +244,18 @@ config ARCH_NPCM
 	  General support for NPCM8xx BMC (Arbel).
 	  Nuvoton NPCM8xx BMC based on the Cortex A35.
 
+config ARCH_PENSANDO
+	bool "AMD Pensando Platforms"
+	help
+	  This enables support for the ARMv8 based AMD Pensando SoC
+	  family to include the Elba SoC.
+
+	  AMD Pensando SoCs support a range of Distributed Services
+	  Cards in PCIe format installed into servers.  The Elba
+	  SoC includes 16 Cortex A-72 CPU cores, 144 P4-programmable
+	  cores for a minimal latency/jitter datapath, and network
+	  interfaces up to 200 Gb/s.
+
 config ARCH_QCOM
 	bool "Qualcomm Platforms"
 	select GPIOLIB