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-rw-r--r--kernel/arch/powerpc/platforms/40x/Kconfig161
-rw-r--r--kernel/arch/powerpc/platforms/40x/Makefile4
-rw-r--r--kernel/arch/powerpc/platforms/40x/ep405.c125
-rw-r--r--kernel/arch/powerpc/platforms/40x/ppc40x_simple.c82
-rw-r--r--kernel/arch/powerpc/platforms/40x/virtex.c56
-rw-r--r--kernel/arch/powerpc/platforms/40x/walnut.c67
6 files changed, 495 insertions, 0 deletions
diff --git a/kernel/arch/powerpc/platforms/40x/Kconfig b/kernel/arch/powerpc/platforms/40x/Kconfig
new file mode 100644
index 000000000..6e287f129
--- /dev/null
+++ b/kernel/arch/powerpc/platforms/40x/Kconfig
@@ -0,0 +1,161 @@
+config ACADIA
+ bool "Acadia"
+ depends on 40x
+ default n
+ select PPC40x_SIMPLE
+ select 405EZ
+ help
+ This option enables support for the AMCC 405EZ Acadia evaluation board.
+
+config EP405
+ bool "EP405/EP405PC"
+ depends on 40x
+ default n
+ select 405GP
+ select PCI
+ help
+ This option enables support for the EP405/EP405PC boards.
+
+config HOTFOOT
+ bool "Hotfoot"
+ depends on 40x
+ default n
+ select PPC40x_SIMPLE
+ select PCI
+ help
+ This option enables support for the ESTEEM 195E Hotfoot board.
+
+config KILAUEA
+ bool "Kilauea"
+ depends on 40x
+ default n
+ select 405EX
+ select PPC40x_SIMPLE
+ select PPC4xx_PCI_EXPRESS
+ select PCI_MSI
+ select PPC4xx_MSI
+ help
+ This option enables support for the AMCC PPC405EX evaluation board.
+
+config MAKALU
+ bool "Makalu"
+ depends on 40x
+ default n
+ select 405EX
+ select PCI
+ select PPC4xx_PCI_EXPRESS
+ select PPC40x_SIMPLE
+ help
+ This option enables support for the AMCC PPC405EX board.
+
+config WALNUT
+ bool "Walnut"
+ depends on 40x
+ default y
+ select 405GP
+ select PCI
+ select OF_RTC
+ help
+ This option enables support for the IBM PPC405GP evaluation board.
+
+config XILINX_VIRTEX_GENERIC_BOARD
+ bool "Generic Xilinx Virtex board"
+ depends on 40x
+ default n
+ select XILINX_VIRTEX_II_PRO
+ select XILINX_VIRTEX_4_FX
+ help
+ This option enables generic support for Xilinx Virtex based boards.
+
+ The generic virtex board support matches any device tree which
+ specifies 'xilinx,virtex' in its compatible field. This includes
+ the Xilinx ML3xx and ML4xx reference designs using the powerpc
+ core.
+
+ Most Virtex designs should use this unless it needs to do some
+ special configuration at board probe time.
+
+config OBS600
+ bool "OpenBlockS 600"
+ depends on 40x
+ default n
+ 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
+ default n
+ help
+ This option enables the simple PowerPC 40x platform support.
+
+# OAK doesn't exist but wanted to keep this around for any future 403GCX boards
+config 403GCX
+ bool
+ #depends on OAK
+ select IBM405_ERR51
+
+config 405GP
+ bool
+ select IBM405_ERR77
+ select IBM405_ERR51
+ select IBM_EMAC_ZMII
+
+config 405EX
+ bool
+ select IBM_EMAC_EMAC4
+ select IBM_EMAC_RGMII
+
+config 405EZ
+ bool
+ select IBM_EMAC_NO_FLOW_CTRL
+ select IBM_EMAC_MAL_CLR_ICINTSTAT
+ select IBM_EMAC_MAL_COMMON_ERR
+
+config XILINX_VIRTEX
+ bool
+ select DEFAULT_UIMAGE
+
+config XILINX_VIRTEX_II_PRO
+ bool
+ select XILINX_VIRTEX
+ select IBM405_ERR77
+ select IBM405_ERR51
+
+config XILINX_VIRTEX_4_FX
+ bool
+ select XILINX_VIRTEX
+
+config STB03xxx
+ bool
+ select IBM405_ERR77
+ select IBM405_ERR51
+
+config PPC4xx_GPIO
+ bool "PPC4xx GPIO support"
+ depends on 40x
+ select ARCH_REQUIRE_GPIOLIB
+ help
+ Enable gpiolib support for ppc40x based boards
+
+# 40x errata/workaround config symbols, selected by the CPU models above
+
+# All 405-based cores up until the 405GPR and 405EP have this errata.
+config IBM405_ERR77
+ bool
+
+# All 40x-based cores, up until the 405GPR and 405EP have this errata.
+config IBM405_ERR51
+ bool
+
+config APM8018X
+ bool "APM8018X"
+ depends on 40x
+ default n
+ select PPC40x_SIMPLE
+ help
+ This option enables support for the AppliedMicro APM8018X evaluation
+ board.
diff --git a/kernel/arch/powerpc/platforms/40x/Makefile b/kernel/arch/powerpc/platforms/40x/Makefile
new file mode 100644
index 000000000..88c22de0c
--- /dev/null
+++ b/kernel/arch/powerpc/platforms/40x/Makefile
@@ -0,0 +1,4 @@
+obj-$(CONFIG_WALNUT) += walnut.o
+obj-$(CONFIG_XILINX_VIRTEX_GENERIC_BOARD) += virtex.o
+obj-$(CONFIG_EP405) += ep405.o
+obj-$(CONFIG_PPC40x_SIMPLE) += ppc40x_simple.o
diff --git a/kernel/arch/powerpc/platforms/40x/ep405.c b/kernel/arch/powerpc/platforms/40x/ep405.c
new file mode 100644
index 000000000..ddc12a192
--- /dev/null
+++ b/kernel/arch/powerpc/platforms/40x/ep405.c
@@ -0,0 +1,125 @@
+/*
+ * Architecture- / platform-specific boot-time initialization code for
+ * IBM PowerPC 4xx based boards. Adapted from original
+ * code by Gary Thomas, Cort Dougan <cort@fsmlabs.com>, and Dan Malek
+ * <dan@net4x.com>.
+ *
+ * Copyright(c) 1999-2000 Grant Erickson <grant@lcse.umn.edu>
+ *
+ * Rewritten and ported to the merged powerpc tree:
+ * Copyright 2007 IBM Corporation
+ * Josh Boyer <jwboyer@linux.vnet.ibm.com>
+ *
+ * Adapted to EP405 by Ben. Herrenschmidt <benh@kernel.crashing.org>
+ *
+ * TODO: Wire up the PCI IRQ mux and the southbridge interrupts
+ *
+ * 2002 (c) MontaVista, Software, Inc. This file is licensed under
+ * the terms of the GNU General Public License version 2. This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ */
+
+#include <linux/init.h>
+#include <linux/of_platform.h>
+
+#include <asm/machdep.h>
+#include <asm/prom.h>
+#include <asm/udbg.h>
+#include <asm/time.h>
+#include <asm/uic.h>
+#include <asm/pci-bridge.h>
+#include <asm/ppc4xx.h>
+
+static struct device_node *bcsr_node;
+static void __iomem *bcsr_regs;
+
+/* BCSR registers */
+#define BCSR_ID 0
+#define BCSR_PCI_CTRL 1
+#define BCSR_FLASH_NV_POR_CTRL 2
+#define BCSR_FENET_UART_CTRL 3
+#define BCSR_PCI_IRQ 4
+#define BCSR_XIRQ_SELECT 5
+#define BCSR_XIRQ_ROUTING 6
+#define BCSR_XIRQ_STATUS 7
+#define BCSR_XIRQ_STATUS2 8
+#define BCSR_SW_STAT_LED_CTRL 9
+#define BCSR_GPIO_IRQ_PAR_CTRL 10
+/* there's more, can't be bothered typing them tho */
+
+
+static const struct of_device_id ep405_of_bus[] __initconst = {
+ { .compatible = "ibm,plb3", },
+ { .compatible = "ibm,opb", },
+ { .compatible = "ibm,ebc", },
+ {},
+};
+
+static int __init ep405_device_probe(void)
+{
+ of_platform_bus_probe(NULL, ep405_of_bus, NULL);
+
+ return 0;
+}
+machine_device_initcall(ep405, ep405_device_probe);
+
+static void __init ep405_init_bcsr(void)
+{
+ const u8 *irq_routing;
+ int i;
+
+ /* Find the bloody thing & map it */
+ bcsr_node = of_find_compatible_node(NULL, NULL, "ep405-bcsr");
+ if (bcsr_node == NULL) {
+ printk(KERN_ERR "EP405 BCSR not found !\n");
+ return;
+ }
+ bcsr_regs = of_iomap(bcsr_node, 0);
+ if (bcsr_regs == NULL) {
+ printk(KERN_ERR "EP405 BCSR failed to map !\n");
+ return;
+ }
+
+ /* Get the irq-routing property and apply the routing to the CPLD */
+ irq_routing = of_get_property(bcsr_node, "irq-routing", NULL);
+ if (irq_routing == NULL)
+ return;
+ for (i = 0; i < 16; i++) {
+ u8 irq = irq_routing[i];
+ out_8(bcsr_regs + BCSR_XIRQ_SELECT, i);
+ out_8(bcsr_regs + BCSR_XIRQ_ROUTING, irq);
+ }
+ in_8(bcsr_regs + BCSR_XIRQ_SELECT);
+ mb();
+ out_8(bcsr_regs + BCSR_GPIO_IRQ_PAR_CTRL, 0xfe);
+}
+
+static void __init ep405_setup_arch(void)
+{
+ /* Find & init the BCSR CPLD */
+ ep405_init_bcsr();
+
+ pci_set_flags(PCI_REASSIGN_ALL_RSRC);
+}
+
+static int __init ep405_probe(void)
+{
+ unsigned long root = of_get_flat_dt_root();
+
+ if (!of_flat_dt_is_compatible(root, "ep405"))
+ return 0;
+
+ return 1;
+}
+
+define_machine(ep405) {
+ .name = "EP405",
+ .probe = ep405_probe,
+ .setup_arch = ep405_setup_arch,
+ .progress = udbg_progress,
+ .init_IRQ = uic_init_tree,
+ .get_irq = uic_get_irq,
+ .restart = ppc4xx_reset_system,
+ .calibrate_decr = generic_calibrate_decr,
+};
diff --git a/kernel/arch/powerpc/platforms/40x/ppc40x_simple.c b/kernel/arch/powerpc/platforms/40x/ppc40x_simple.c
new file mode 100644
index 000000000..b0c46375d
--- /dev/null
+++ b/kernel/arch/powerpc/platforms/40x/ppc40x_simple.c
@@ -0,0 +1,82 @@
+/*
+ * Generic PowerPC 40x platform support
+ *
+ * Copyright 2008 IBM Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; version 2 of the License.
+ *
+ * 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_flat_dt_match(of_get_flat_dt_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,
+};
diff --git a/kernel/arch/powerpc/platforms/40x/virtex.c b/kernel/arch/powerpc/platforms/40x/virtex.c
new file mode 100644
index 000000000..9aa7ae2f4
--- /dev/null
+++ b/kernel/arch/powerpc/platforms/40x/virtex.c
@@ -0,0 +1,56 @@
+/*
+ * Xilinx Virtex (IIpro & 4FX) based board support
+ *
+ * Copyright 2007 Secret Lab Technologies Ltd.
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#include <linux/init.h>
+#include <linux/of_platform.h>
+#include <asm/machdep.h>
+#include <asm/prom.h>
+#include <asm/time.h>
+#include <asm/xilinx_intc.h>
+#include <asm/xilinx_pci.h>
+#include <asm/ppc4xx.h>
+
+static const struct of_device_id xilinx_of_bus_ids[] __initconst = {
+ { .compatible = "xlnx,plb-v46-1.00.a", },
+ { .compatible = "xlnx,plb-v34-1.01.a", },
+ { .compatible = "xlnx,plb-v34-1.02.a", },
+ { .compatible = "xlnx,opb-v20-1.10.c", },
+ { .compatible = "xlnx,dcr-v29-1.00.a", },
+ { .compatible = "xlnx,compound", },
+ {}
+};
+
+static int __init virtex_device_probe(void)
+{
+ of_platform_bus_probe(NULL, xilinx_of_bus_ids, NULL);
+
+ return 0;
+}
+machine_device_initcall(virtex, virtex_device_probe);
+
+static int __init virtex_probe(void)
+{
+ unsigned long root = of_get_flat_dt_root();
+
+ if (!of_flat_dt_is_compatible(root, "xlnx,virtex"))
+ return 0;
+
+ return 1;
+}
+
+define_machine(virtex) {
+ .name = "Xilinx Virtex",
+ .probe = virtex_probe,
+ .setup_arch = xilinx_pci_init,
+ .init_IRQ = xilinx_intc_init_tree,
+ .get_irq = xilinx_intc_get_irq,
+ .restart = ppc4xx_reset_system,
+ .calibrate_decr = generic_calibrate_decr,
+};
diff --git a/kernel/arch/powerpc/platforms/40x/walnut.c b/kernel/arch/powerpc/platforms/40x/walnut.c
new file mode 100644
index 000000000..f7ac2d0fc
--- /dev/null
+++ b/kernel/arch/powerpc/platforms/40x/walnut.c
@@ -0,0 +1,67 @@
+/*
+ * Architecture- / platform-specific boot-time initialization code for
+ * IBM PowerPC 4xx based boards. Adapted from original
+ * code by Gary Thomas, Cort Dougan <cort@fsmlabs.com>, and Dan Malek
+ * <dan@net4x.com>.
+ *
+ * Copyright(c) 1999-2000 Grant Erickson <grant@lcse.umn.edu>
+ *
+ * Rewritten and ported to the merged powerpc tree:
+ * Copyright 2007 IBM Corporation
+ * Josh Boyer <jwboyer@linux.vnet.ibm.com>
+ *
+ * 2002 (c) MontaVista, Software, Inc. This file is licensed under
+ * the terms of the GNU General Public License version 2. This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ */
+
+#include <linux/init.h>
+#include <linux/of_platform.h>
+#include <linux/rtc.h>
+
+#include <asm/machdep.h>
+#include <asm/prom.h>
+#include <asm/udbg.h>
+#include <asm/time.h>
+#include <asm/uic.h>
+#include <asm/pci-bridge.h>
+#include <asm/ppc4xx.h>
+
+static const struct of_device_id walnut_of_bus[] __initconst = {
+ { .compatible = "ibm,plb3", },
+ { .compatible = "ibm,opb", },
+ { .compatible = "ibm,ebc", },
+ {},
+};
+
+static int __init walnut_device_probe(void)
+{
+ of_platform_bus_probe(NULL, walnut_of_bus, NULL);
+ of_instantiate_rtc();
+
+ return 0;
+}
+machine_device_initcall(walnut, walnut_device_probe);
+
+static int __init walnut_probe(void)
+{
+ unsigned long root = of_get_flat_dt_root();
+
+ if (!of_flat_dt_is_compatible(root, "ibm,walnut"))
+ return 0;
+
+ pci_set_flags(PCI_REASSIGN_ALL_RSRC);
+
+ return 1;
+}
+
+define_machine(walnut) {
+ .name = "Walnut",
+ .probe = walnut_probe,
+ .progress = udbg_progress,
+ .init_IRQ = uic_init_tree,
+ .get_irq = uic_get_irq,
+ .restart = ppc4xx_reset_system,
+ .calibrate_decr = generic_calibrate_decr,
+};