diff options
Diffstat (limited to 'arch/powerpc/platforms/40x')
| -rw-r--r-- | arch/powerpc/platforms/40x/Kconfig | 40 | ||||
| -rw-r--r-- | arch/powerpc/platforms/40x/Makefile | 2 | ||||
| -rw-r--r-- | arch/powerpc/platforms/40x/ep405.c | 123 | ||||
| -rw-r--r-- | arch/powerpc/platforms/40x/kilauea.c | 10 | ||||
| -rw-r--r-- | arch/powerpc/platforms/40x/makalu.c | 58 | ||||
| -rw-r--r-- | arch/powerpc/platforms/40x/virtex.c | 17 | ||||
| -rw-r--r-- | arch/powerpc/platforms/40x/walnut.c | 12 |
7 files changed, 232 insertions, 30 deletions
diff --git a/arch/powerpc/platforms/40x/Kconfig b/arch/powerpc/platforms/40x/Kconfig index 8f6699fcc14..74f31177e47 100644 --- a/arch/powerpc/platforms/40x/Kconfig +++ b/arch/powerpc/platforms/40x/Kconfig @@ -14,28 +14,34 @@ # help # This option enables support for the CPCI405 board. -#config EP405 -# bool "EP405/EP405PC" -# depends on 40x -# default n -# select 405GP -# help -# This option enables support for the EP405/EP405PC boards. - -#config EP405PC -# bool "EP405PC Support" -# depends on EP405 -# default y -# help -# This option enables support for the extra features of the EP405PC 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 KILAUEA bool "Kilauea" depends on 40x default n + select 405EX + select PPC4xx_PCI_EXPRESS 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 + help + This option enables support for the AMCC PPC405EX board. + #config REDWOOD_5 # bool "Redwood-5" # depends on 40x @@ -65,6 +71,7 @@ config WALNUT depends on 40x default y select 405GP + select PCI help This option enables support for the IBM PPC405GP evaluation board. @@ -105,6 +112,11 @@ config 405GP config 405EP bool +config 405EX + bool + select IBM_NEW_EMAC_EMAC4 + select IBM_NEW_EMAC_RGMII + config 405GPR bool diff --git a/arch/powerpc/platforms/40x/Makefile b/arch/powerpc/platforms/40x/Makefile index 51dadeee6fc..5533a5c8ce4 100644 --- a/arch/powerpc/platforms/40x/Makefile +++ b/arch/powerpc/platforms/40x/Makefile @@ -1,3 +1,5 @@ obj-$(CONFIG_KILAUEA) += kilauea.o +obj-$(CONFIG_MAKALU) += makalu.o obj-$(CONFIG_WALNUT) += walnut.o obj-$(CONFIG_XILINX_VIRTEX_GENERIC_BOARD) += virtex.o +obj-$(CONFIG_EP405) += ep405.o diff --git a/arch/powerpc/platforms/40x/ep405.c b/arch/powerpc/platforms/40x/ep405.c new file mode 100644 index 00000000000..13d1345026d --- /dev/null +++ b/arch/powerpc/platforms/40x/ep405.c @@ -0,0 +1,123 @@ +/* + * 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> + +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 __initdata struct of_device_id ep405_of_bus[] = { + { .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(); + + ppc_pci_flags = PPC_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, + .calibrate_decr = generic_calibrate_decr, +}; diff --git a/arch/powerpc/platforms/40x/kilauea.c b/arch/powerpc/platforms/40x/kilauea.c index 1bffdbdd21b..f9206a7fede 100644 --- a/arch/powerpc/platforms/40x/kilauea.c +++ b/arch/powerpc/platforms/40x/kilauea.c @@ -19,8 +19,9 @@ #include <asm/udbg.h> #include <asm/time.h> #include <asm/uic.h> +#include <asm/pci-bridge.h> -static struct of_device_id kilauea_of_bus[] = { +static __initdata struct of_device_id kilauea_of_bus[] = { { .compatible = "ibm,plb4", }, { .compatible = "ibm,opb", }, { .compatible = "ibm,ebc", }, @@ -29,14 +30,11 @@ static struct of_device_id kilauea_of_bus[] = { static int __init kilauea_device_probe(void) { - if (!machine_is(kilauea)) - return 0; - of_platform_bus_probe(NULL, kilauea_of_bus, NULL); return 0; } -device_initcall(kilauea_device_probe); +machine_device_initcall(kilauea, kilauea_device_probe); static int __init kilauea_probe(void) { @@ -45,6 +43,8 @@ static int __init kilauea_probe(void) if (!of_flat_dt_is_compatible(root, "amcc,kilauea")) return 0; + ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC; + return 1; } diff --git a/arch/powerpc/platforms/40x/makalu.c b/arch/powerpc/platforms/40x/makalu.c new file mode 100644 index 00000000000..4e4df72fc9c --- /dev/null +++ b/arch/powerpc/platforms/40x/makalu.c @@ -0,0 +1,58 @@ +/* + * Makalu board specific routines + * + * Copyright 2007 DENX Software Engineering, Stefan Roese <sr@denx.de> + * + * Based on the Walnut code by + * Josh Boyer <jwboyer@linux.vnet.ibm.com> + * Copyright 2007 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; either version 2 of the License, or (at your + * option) any later version. + */ +#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> + +static __initdata struct of_device_id makalu_of_bus[] = { + { .compatible = "ibm,plb4", }, + { .compatible = "ibm,opb", }, + { .compatible = "ibm,ebc", }, + {}, +}; + +static int __init makalu_device_probe(void) +{ + of_platform_bus_probe(NULL, makalu_of_bus, NULL); + + return 0; +} +machine_device_initcall(makalu, makalu_device_probe); + +static int __init makalu_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + if (!of_flat_dt_is_compatible(root, "amcc,makalu")) + return 0; + + ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC; + + return 1; +} + +define_machine(makalu) { + .name = "Makalu", + .probe = makalu_probe, + .progress = udbg_progress, + .init_IRQ = uic_init_tree, + .get_irq = uic_get_irq, + .calibrate_decr = generic_calibrate_decr, +}; diff --git a/arch/powerpc/platforms/40x/virtex.c b/arch/powerpc/platforms/40x/virtex.c index 14bbc328170..88b66444dfb 100644 --- a/arch/powerpc/platforms/40x/virtex.c +++ b/arch/powerpc/platforms/40x/virtex.c @@ -15,16 +15,23 @@ #include <asm/time.h> #include <asm/xilinx_intc.h> +static struct of_device_id xilinx_of_bus_ids[] __initdata = { + { .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) { - if (!machine_is(virtex)) - return 0; - - of_platform_bus_probe(NULL, NULL, NULL); + of_platform_bus_probe(NULL, xilinx_of_bus_ids, NULL); return 0; } -device_initcall(virtex_device_probe); +machine_device_initcall(virtex, virtex_device_probe); static int __init virtex_probe(void) { diff --git a/arch/powerpc/platforms/40x/walnut.c b/arch/powerpc/platforms/40x/walnut.c index ff6db243179..5d9edd917f9 100644 --- a/arch/powerpc/platforms/40x/walnut.c +++ b/arch/powerpc/platforms/40x/walnut.c @@ -24,8 +24,9 @@ #include <asm/udbg.h> #include <asm/time.h> #include <asm/uic.h> +#include <asm/pci-bridge.h> -static struct of_device_id walnut_of_bus[] = { +static __initdata struct of_device_id walnut_of_bus[] = { { .compatible = "ibm,plb3", }, { .compatible = "ibm,opb", }, { .compatible = "ibm,ebc", }, @@ -34,15 +35,12 @@ static struct of_device_id walnut_of_bus[] = { static int __init walnut_device_probe(void) { - if (!machine_is(walnut)) - return 0; - - /* FIXME: do bus probe here */ of_platform_bus_probe(NULL, walnut_of_bus, NULL); + of_instantiate_rtc(); return 0; } -device_initcall(walnut_device_probe); +machine_device_initcall(walnut, walnut_device_probe); static int __init walnut_probe(void) { @@ -51,6 +49,8 @@ static int __init walnut_probe(void) if (!of_flat_dt_is_compatible(root, "ibm,walnut")) return 0; + ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC; + return 1; } |