Adding upstream version 5.10.209.upstream/5.10.209upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

3 files changed, 159 insertions, 0 deletions

diff --git a/arch/powerpc/platforms/40x/Kconfig b/arch/powerpc/platforms/40x/Kconfig
new file mode 100644
index 000000000..e3e5217c9
--- /dev/null
+++ b/arch/powerpc/platforms/40x/Kconfig
@@ -0,0 +1,78 @@
+# SPDX-License-Identifier: GPL-2.0
+config ACADIA
+	bool "Acadia"
+	depends on 40x
+	select PPC40x_SIMPLE
+	select 405EZ
+	help
+	  This option enables support for the AMCC 405EZ Acadia evaluation board.
+
+config HOTFOOT
+	bool "Hotfoot"
+	depends on 40x
+	select PPC40x_SIMPLE
+	select FORCE_PCI
+	help
+	  This option enables support for the ESTEEM 195E Hotfoot board.
+
+config KILAUEA
+	bool "Kilauea"
+	depends on 40x
+	select 405EX
+	select PPC40x_SIMPLE
+	select PPC4xx_PCI_EXPRESS
+	select FORCE_PCI
+	select PCI_MSI
+	select PPC4xx_MSI
+	help
+	  This option enables support for the AMCC PPC405EX evaluation board.
+
+config MAKALU
+	bool "Makalu"
+	depends on 40x
+	select 405EX
+	select FORCE_PCI
+	select PPC4xx_PCI_EXPRESS
+	select PPC40x_SIMPLE
+	help
+	  This option enables support for the AMCC PPC405EX board.
+
+config OBS600
+	bool "OpenBlockS 600"
+	depends on 40x
+	select 405EX
+	select PPC40x_SIMPLE
+	help
+	  This option enables support for PlatHome OpenBlockS 600 server
+
+config PPC40x_SIMPLE
+	bool "Simple PowerPC 40x board support"
+	depends on 40x
+	help
+	  This option enables the simple PowerPC 40x platform support.
+
+config 405EX
+	bool
+	select IBM_EMAC_EMAC4 if IBM_EMAC
+	select IBM_EMAC_RGMII if IBM_EMAC
+
+config 405EZ
+	bool
+	select IBM_EMAC_NO_FLOW_CTRL if IBM_EMAC
+	select IBM_EMAC_MAL_CLR_ICINTSTAT if IBM_EMAC
+	select IBM_EMAC_MAL_COMMON_ERR if IBM_EMAC
+
+config PPC4xx_GPIO
+	bool "PPC4xx GPIO support"
+	depends on 40x
+	select GPIOLIB
+	help
+	  Enable gpiolib support for ppc40x based boards
+
+config APM8018X
+	bool "APM8018X"
+	depends on 40x
+	select PPC40x_SIMPLE
+	help
+	  This option enables support for the AppliedMicro APM8018X evaluation
+	  board.
diff --git a/arch/powerpc/platforms/40x/Makefile b/arch/powerpc/platforms/40x/Makefile
new file mode 100644
index 000000000..122de9852
--- /dev/null
+++ b/arch/powerpc/platforms/40x/Makefile
@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
+obj-$(CONFIG_PPC40x_SIMPLE)		+= ppc40x_simple.o
diff --git a/arch/powerpc/platforms/40x/ppc40x_simple.c b/arch/powerpc/platforms/40x/ppc40x_simple.c
new file mode 100644
index 000000000..e70b42729
--- /dev/null
+++ b/arch/powerpc/platforms/40x/ppc40x_simple.c
@@ -0,0 +1,79 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Generic PowerPC 40x platform support
+ *
+ * Copyright 2008 IBM Corporation
+ *
+ * This implements simple platform support for PowerPC 44x chips.  This is
+ * mostly used for eval boards or other simple and "generic" 44x boards.  If
+ * your board has custom functions or hardware, then you will likely want to
+ * implement your own board.c file to accommodate it.
+ */
+
+#include <asm/machdep.h>
+#include <asm/pci-bridge.h>
+#include <asm/ppc4xx.h>
+#include <asm/prom.h>
+#include <asm/time.h>
+#include <asm/udbg.h>
+#include <asm/uic.h>
+
+#include <linux/init.h>
+#include <linux/of_platform.h>
+
+static const struct of_device_id ppc40x_of_bus[] __initconst = {
+	{ .compatible = "ibm,plb3", },
+	{ .compatible = "ibm,plb4", },
+	{ .compatible = "ibm,opb", },
+	{ .compatible = "ibm,ebc", },
+	{ .compatible = "simple-bus", },
+	{},
+};
+
+static int __init ppc40x_device_probe(void)
+{
+	of_platform_bus_probe(NULL, ppc40x_of_bus, NULL);
+
+	return 0;
+}
+machine_device_initcall(ppc40x_simple, ppc40x_device_probe);
+
+/* This is the list of boards that can be supported by this simple
+ * platform code.  This does _not_ mean the boards are compatible,
+ * as they most certainly are not from a device tree perspective.
+ * However, their differences are handled by the device tree and the
+ * drivers and therefore they don't need custom board support files.
+ *
+ * Again, if your board needs to do things differently then create a
+ * board.c file for it rather than adding it to this list.
+ */
+static const char * const board[] __initconst = {
+	"amcc,acadia",
+	"amcc,haleakala",
+	"amcc,kilauea",
+	"amcc,makalu",
+	"apm,klondike",
+	"est,hotfoot",
+	"plathome,obs600",
+	NULL
+};
+
+static int __init ppc40x_probe(void)
+{
+	if (of_device_compatible_match(of_root, board)) {
+		pci_set_flags(PCI_REASSIGN_ALL_RSRC);
+		return 1;
+	}
+
+	return 0;
+}
+
+define_machine(ppc40x_simple) {
+	.name = "PowerPC 40x Platform",
+	.probe = ppc40x_probe,
+	.progress = udbg_progress,
+	.init_IRQ = uic_init_tree,
+	.get_irq = uic_get_irq,
+	.restart = ppc4xx_reset_system,
+	.calibrate_decr = generic_calibrate_decr,
+};