diff options
Diffstat (limited to 'arch/powerpc/platforms/86xx')
| -rw-r--r-- | arch/powerpc/platforms/86xx/Kconfig | 8 | ||||
| -rw-r--r-- | arch/powerpc/platforms/86xx/Makefile | 1 | ||||
| -rw-r--r-- | arch/powerpc/platforms/86xx/mpc8610_hpcd.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/platforms/86xx/mpc86xx_hpcn.c | 14 | ||||
| -rw-r--r-- | arch/powerpc/platforms/86xx/sbc8641d.c | 164 |
5 files changed, 184 insertions, 7 deletions
diff --git a/arch/powerpc/platforms/86xx/Kconfig b/arch/powerpc/platforms/86xx/Kconfig index 21d113536b8..7442c58d44f 100644 --- a/arch/powerpc/platforms/86xx/Kconfig +++ b/arch/powerpc/platforms/86xx/Kconfig @@ -11,6 +11,12 @@ config MPC8641_HPCN help This option enables support for the MPC8641 HPCN board. +config SBC8641D + bool "Wind River SBC8641D" + select DEFAULT_UIMAGE + help + This option enables support for the WRS SBC8641D board. + config MPC8610_HPCD bool "Freescale MPC8610 HPCD" select DEFAULT_UIMAGE @@ -24,7 +30,7 @@ config MPC8641 select FSL_PCI if PCI select PPC_UDBG_16550 select MPIC - default y if MPC8641_HPCN + default y if MPC8641_HPCN || SBC8641D config MPC8610 bool diff --git a/arch/powerpc/platforms/86xx/Makefile b/arch/powerpc/platforms/86xx/Makefile index c96706327ea..1b9b4a9b252 100644 --- a/arch/powerpc/platforms/86xx/Makefile +++ b/arch/powerpc/platforms/86xx/Makefile @@ -4,4 +4,5 @@ obj-$(CONFIG_SMP) += mpc86xx_smp.o obj-$(CONFIG_MPC8641_HPCN) += mpc86xx_hpcn.o +obj-$(CONFIG_SBC8641D) += sbc8641d.o obj-$(CONFIG_MPC8610_HPCD) += mpc8610_hpcd.o diff --git a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c index 0b07485641f..18b8ebe930d 100644 --- a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c +++ b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c @@ -52,7 +52,7 @@ static int __init mpc8610_declare_of_platform_devices(void) } machine_device_initcall(mpc86xx_hpcd, mpc8610_declare_of_platform_devices); -void __init +static void __init mpc86xx_hpcd_init_irq(void) { struct mpic *mpic1; @@ -200,7 +200,7 @@ static int __init mpc86xx_hpcd_probe(void) return 0; } -long __init +static long __init mpc86xx_time_init(void) { unsigned int temp; diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c index cfbe8c52e26..f947f555fd4 100644 --- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c +++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c @@ -55,7 +55,7 @@ static void mpc86xx_8259_cascade(unsigned int irq, struct irq_desc *desc) } #endif /* CONFIG_PCI */ -void __init +static void __init mpc86xx_hpcn_init_irq(void) { struct mpic *mpic1; @@ -162,7 +162,7 @@ mpc86xx_hpcn_setup_arch(void) } -void +static void mpc86xx_hpcn_show_cpuinfo(struct seq_file *m) { struct device_node *root; @@ -190,13 +190,19 @@ static int __init mpc86xx_hpcn_probe(void) { unsigned long root = of_get_flat_dt_root(); - if (of_flat_dt_is_compatible(root, "mpc86xx")) + if (of_flat_dt_is_compatible(root, "fsl,mpc8641hpcn")) return 1; /* Looks good */ + /* Be nice and don't give silent boot death. Delete this in 2.6.27 */ + if (of_flat_dt_is_compatible(root, "mpc86xx")) { + pr_warning("WARNING: your dts/dtb is old. You must update before the next kernel release\n"); + return 1; + } + return 0; } -long __init +static long __init mpc86xx_time_init(void) { unsigned int temp; diff --git a/arch/powerpc/platforms/86xx/sbc8641d.c b/arch/powerpc/platforms/86xx/sbc8641d.c new file mode 100644 index 00000000000..510a06ef0b5 --- /dev/null +++ b/arch/powerpc/platforms/86xx/sbc8641d.c @@ -0,0 +1,164 @@ +/* + * SBC8641D board specific routines + * + * Copyright 2008 Wind River Systems Inc. + * + * By Paul Gortmaker (see MAINTAINERS for contact information) + * + * Based largely on the 8641 HPCN support by Freescale Semiconductor Inc. + * + * 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/stddef.h> +#include <linux/kernel.h> +#include <linux/pci.h> +#include <linux/kdev_t.h> +#include <linux/delay.h> +#include <linux/seq_file.h> +#include <linux/of_platform.h> + +#include <asm/system.h> +#include <asm/time.h> +#include <asm/machdep.h> +#include <asm/pci-bridge.h> +#include <asm/mpc86xx.h> +#include <asm/prom.h> +#include <mm/mmu_decl.h> +#include <asm/udbg.h> + +#include <asm/mpic.h> + +#include <sysdev/fsl_pci.h> +#include <sysdev/fsl_soc.h> + +#include "mpc86xx.h" + +static void __init +sbc8641_init_irq(void) +{ + struct mpic *mpic1; + struct device_node *np; + struct resource res; + + /* Determine PIC address. */ + np = of_find_node_by_type(NULL, "open-pic"); + if (np == NULL) + return; + of_address_to_resource(np, 0, &res); + + /* Alloc mpic structure and per isu has 16 INT entries. */ + mpic1 = mpic_alloc(np, res.start, + MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN, + 0, 256, " MPIC "); + of_node_put(np); + BUG_ON(mpic1 == NULL); + + mpic_init(mpic1); +} + +static void __init +sbc8641_setup_arch(void) +{ +#ifdef CONFIG_PCI + struct device_node *np; +#endif + + if (ppc_md.progress) + ppc_md.progress("sbc8641_setup_arch()", 0); + +#ifdef CONFIG_PCI + for_each_compatible_node(np, "pci", "fsl,mpc8641-pcie") + fsl_add_bridge(np, 0); +#endif + + printk("SBC8641 board from Wind River\n"); + +#ifdef CONFIG_SMP + mpc86xx_smp_init(); +#endif +} + + +static void +sbc8641_show_cpuinfo(struct seq_file *m) +{ + struct device_node *root; + uint memsize = total_memory; + const char *model = ""; + uint svid = mfspr(SPRN_SVR); + + seq_printf(m, "Vendor\t\t: Wind River Systems\n"); + + root = of_find_node_by_path("/"); + if (root) + model = of_get_property(root, "model", NULL); + seq_printf(m, "Machine\t\t: %s\n", model); + of_node_put(root); + + seq_printf(m, "SVR\t\t: 0x%x\n", svid); + seq_printf(m, "Memory\t\t: %d MB\n", memsize / (1024 * 1024)); +} + + +/* + * Called very early, device-tree isn't unflattened + */ +static int __init sbc8641_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + if (of_flat_dt_is_compatible(root, "wind,sbc8641")) + return 1; /* Looks good */ + + return 0; +} + +static long __init +mpc86xx_time_init(void) +{ + unsigned int temp; + + /* Set the time base to zero */ + mtspr(SPRN_TBWL, 0); + mtspr(SPRN_TBWU, 0); + + temp = mfspr(SPRN_HID0); + temp |= HID0_TBEN; + mtspr(SPRN_HID0, temp); + asm volatile("isync"); + + return 0; +} + +static __initdata struct of_device_id of_bus_ids[] = { + { .compatible = "simple-bus", }, + {}, +}; + +static int __init declare_of_platform_devices(void) +{ + of_platform_bus_probe(NULL, of_bus_ids, NULL); + + return 0; +} +machine_device_initcall(sbc8641, declare_of_platform_devices); + +define_machine(sbc8641) { + .name = "SBC8641D", + .probe = sbc8641_probe, + .setup_arch = sbc8641_setup_arch, + .init_IRQ = sbc8641_init_irq, + .show_cpuinfo = sbc8641_show_cpuinfo, + .get_irq = mpic_get_irq, + .restart = fsl_rstcr_restart, + .time_init = mpc86xx_time_init, + .calibrate_decr = generic_calibrate_decr, + .progress = udbg_progress, +#ifdef CONFIG_PCI + .pcibios_fixup_bus = fsl_pcibios_fixup_bus, +#endif +}; |