diff options
Diffstat (limited to 'arch/powerpc/platforms/40x')
| -rw-r--r-- | arch/powerpc/platforms/40x/Kconfig | 77 | ||||
| -rw-r--r-- | arch/powerpc/platforms/40x/Makefile | 2 | ||||
| -rw-r--r-- | arch/powerpc/platforms/40x/ppc40x_simple.c | 78 |
3 files changed, 157 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/40x/Kconfig b/arch/powerpc/platforms/40x/Kconfig new file mode 100644 index 000000000..614ea6dc9 --- /dev/null +++ b/arch/powerpc/platforms/40x/Kconfig @@ -0,0 +1,77 @@ +# 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 + 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..dce696c32 --- /dev/null +++ b/arch/powerpc/platforms/40x/ppc40x_simple.c @@ -0,0 +1,78 @@ +// 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/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, +}; |