diff options
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/platforms/40x/Kconfig | 22 | ||||
| -rw-r--r-- | arch/powerpc/platforms/40x/Makefile | 1 | ||||
| -rw-r--r-- | arch/powerpc/platforms/40x/ppc40x_simple.c | 80 |
3 files changed, 103 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/40x/Kconfig b/arch/powerpc/platforms/40x/Kconfig index a9260e21451..72ba3a7289f 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 5533a5c8ce4..1d93273a1db 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 00000000000..4498a86b46c --- /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, +}; |