summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/platforms/40x
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/platforms/40x')
-rw-r--r--arch/powerpc/platforms/40x/Kconfig78
-rw-r--r--arch/powerpc/platforms/40x/Makefile2
-rw-r--r--arch/powerpc/platforms/40x/ppc40x_simple.c79
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,
+};