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ARM: SoC code changes for 6.7

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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
This commit is contained in:
Linus Torvalds 2023-11-01 15:06:28 -10:00
commit 4684e928db
6 changed files with 42 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
MAINTAINERS
View File

@ -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>

12
arch/arm/Kconfig.debug
View File

@ -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

5
arch/arm/mach-shmobile/pm-rcar-gen2.c
View File

@ -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"))

9
arch/arm/mach-shmobile/smp-r8a7779.c
View File

@ -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);

10
arch/arm/mach-shmobile/smp-sh73a0.c
View File

@ -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);

12
arch/arm64/Kconfig.platforms
View File

@ -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