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-rw-r--r--target/linux/ppc40x/patches/003-ppc40x_simple_platform_support.patch142
1 files changed, 142 insertions, 0 deletions
diff --git a/target/linux/ppc40x/patches/003-ppc40x_simple_platform_support.patch b/target/linux/ppc40x/patches/003-ppc40x_simple_platform_support.patch
new file mode 100644
index 000000000..3f07ee5e8
--- /dev/null
+++ b/target/linux/ppc40x/patches/003-ppc40x_simple_platform_support.patch
@@ -0,0 +1,142 @@
+diff --git a/arch/powerpc/platforms/40x/Kconfig b/arch/powerpc/platforms/40x/Kconfig
+index a9260e2..72ba3a7 100644
+--- a/arch/powerpc/platforms/40x/Kconfig
++++ b/arch/powerpc/platforms/40x/Kconfig
+@@ -14,6 +14,15 @@
+ # help
+ # This option enables support for the CPCI405 board.
+
++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
+@@ -93,6 +102,13 @@ config XILINX_VIRTEX_GENERIC_BOARD
+ Most Virtex designs should use this unless it needs to do some
+ special configuration at board probe time.
+
++config PPC40x_SIMPLE
++ bool "Simple PowerPC 40x board support"
++ depends on 40x
++ default n
++ help
++ This option enables the simple PowerPC 40x platform support.
++
+ # 40x specific CPU modules, selected based on the board above.
+ config NP405H
+ bool
+@@ -118,6 +134,12 @@ config 405EX
+ select IBM_NEW_EMAC_EMAC4
+ select IBM_NEW_EMAC_RGMII
+
++config 405EZ
++ bool
++ select IBM_NEW_EMAC_NO_FLOW_CTRL
++ select IBM_NEW_EMAC_MAL_CLR_ICINTSTAT
++ select IBM_NEW_EMAC_MAL_COMMON_ERR
++
+ config 405GPR
+ bool
+
+diff --git a/arch/powerpc/platforms/40x/Makefile b/arch/powerpc/platforms/40x/Makefile
+index 5533a5c..1d93273 100644
+--- a/arch/powerpc/platforms/40x/Makefile
++++ b/arch/powerpc/platforms/40x/Makefile
+@@ -3,3 +3,4 @@ obj-$(CONFIG_MAKALU) += makalu.o
+ obj-$(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/arch/powerpc/platforms/40x/ppc40x_simple.c b/arch/powerpc/platforms/40x/ppc40x_simple.c
+new file mode 100644
+index 0000000..4498a86
+--- /dev/null
++++ b/arch/powerpc/platforms/40x/ppc40x_simple.c
+@@ -0,0 +1,80 @@
++/*
++ * 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 __initdata struct of_device_id ppc40x_of_bus[] = {
++ { .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 char *board[] __initdata = {
++ "amcc,acadia"
++};
++
++static int __init ppc40x_probe(void)
++{
++ unsigned long root = of_get_flat_dt_root();
++ int i = 0;
++
++ for (i = 0; i < ARRAY_SIZE(board); i++) {
++ if (of_flat_dt_is_compatible(root, board[i])) {
++ ppc_pci_flags = PPC_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,
++};