diff options
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/kernel/cputable.c | 18 | ||||
| -rw-r--r-- | arch/powerpc/kernel/head_44x.S | 2 | ||||
| -rw-r--r-- | arch/powerpc/platforms/44x/Kconfig | 17 | ||||
| -rw-r--r-- | arch/powerpc/platforms/44x/Makefile | 1 | ||||
| -rw-r--r-- | arch/powerpc/platforms/44x/sequoia.c | 66 |
5 files changed, 102 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index b1f8000952f..5873073c904 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -1132,6 +1132,24 @@ static struct cpu_spec cpu_specs[] = { .dcache_bsize = 32, .platform = "ppc440", }, + { /* 440EPX */ + .pvr_mask = 0xf0000ffb, + .pvr_value = 0x200008D0, + .cpu_name = "440EPX", + .cpu_features = CPU_FTRS_44X, + .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, + .icache_bsize = 32, + .dcache_bsize = 32, + }, + { /* 440GRX */ + .pvr_mask = 0xf0000ffb, + .pvr_value = 0x200008D8, + .cpu_name = "440GRX", + .cpu_features = CPU_FTRS_44X, + .cpu_user_features = COMMON_USER_BOOKE, + .icache_bsize = 32, + .dcache_bsize = 32, + }, { /* 440GP Rev. B */ .pvr_mask = 0xf0000fff, .pvr_value = 0x40000440, diff --git a/arch/powerpc/kernel/head_44x.S b/arch/powerpc/kernel/head_44x.S index 88695963f58..e26d26e3181 100644 --- a/arch/powerpc/kernel/head_44x.S +++ b/arch/powerpc/kernel/head_44x.S @@ -217,7 +217,7 @@ skpinv: addi r4,r4,1 /* Increment */ lis r4,interrupt_base@h /* IVPR only uses the high 16-bits */ mtspr SPRN_IVPR,r4 -#ifdef CONFIG_440EP +#if defined(CONFIG_440EP) || defined(CONFIG_440EPX) /* Clear DAPUIB flag in CCR0 (enable APU between CPU and FPU) */ mfspr r2,SPRN_CCR0 lis r3,0xffef diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig index c7cc12a2f26..f28acdcbd6c 100644 --- a/arch/powerpc/platforms/44x/Kconfig +++ b/arch/powerpc/platforms/44x/Kconfig @@ -14,6 +14,14 @@ config EBONY help This option enables support for the IBM PPC440GP evaluation board. +config SEQUOIA + bool "Sequoia" + depends on 44x + default n + select 440EPX + help + This option enables support for the AMCC PPC440EPX evaluation board. + #config LUAN # bool "Luan" # depends on 44x @@ -37,6 +45,13 @@ config 440EP select IBM440EP_ERR42 # select IBM_NEW_EMAC_ZMII +config 440EPX + bool + select PPC_FPU +# Disabled until the new EMAC Driver is merged. +# select IBM_NEW_EMAC_EMAC4 +# select IBM_NEW_EMAC_ZMII + config 440GP bool # Disabled until the new EMAC Driver is merged. @@ -50,7 +65,7 @@ config 440SP config 440A bool - depends on 440GX + depends on 440GX || 440EPX default y # 44x errata/workaround config symbols, selected by the CPU models above diff --git a/arch/powerpc/platforms/44x/Makefile b/arch/powerpc/platforms/44x/Makefile index 47ccc3659e3..10ce6740cc7 100644 --- a/arch/powerpc/platforms/44x/Makefile +++ b/arch/powerpc/platforms/44x/Makefile @@ -1,3 +1,4 @@ obj-$(CONFIG_44x) := misc_44x.o obj-$(CONFIG_EBONY) += ebony.o obj-$(CONFIG_BAMBOO) += bamboo.o +obj-$(CONFIG_SEQUOIA) += sequoia.o diff --git a/arch/powerpc/platforms/44x/sequoia.c b/arch/powerpc/platforms/44x/sequoia.c new file mode 100644 index 00000000000..7d0d9d567d2 --- /dev/null +++ b/arch/powerpc/platforms/44x/sequoia.c @@ -0,0 +1,66 @@ +/* + * Sequoia board specific routines + * + * Valentine Barshak <vbarshak@ru.mvista.com> + * Copyright 2007 MontaVista Software Inc. + * + * Based on the Bamboo 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 <asm/machdep.h> +#include <asm/prom.h> +#include <asm/udbg.h> +#include <asm/time.h> +#include <asm/uic.h> +#include <asm/of_platform.h> +#include "44x.h" + +static struct of_device_id sequoia_of_bus[] = { + { .compatible = "ibm,plb4", }, + { .compatible = "ibm,opb", }, + { .compatible = "ibm,ebc", }, + {}, +}; + +static int __init sequoia_device_probe(void) +{ + if (!machine_is(sequoia)) + return 0; + + of_platform_bus_probe(NULL, sequoia_of_bus, NULL); + + return 0; +} +device_initcall(sequoia_device_probe); + +static int __init sequoia_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + if (!of_flat_dt_is_compatible(root, "amcc,sequoia")) + return 0; + + return 1; +} + +static void __init sequoia_setup_arch(void) +{ +} + +define_machine(sequoia) { + .name = "Sequoia", + .probe = sequoia_probe, + .setup_arch = sequoia_setup_arch, + .progress = udbg_progress, + .init_IRQ = uic_init_tree, + .get_irq = uic_get_irq, + .restart = ppc44x_reset_system, + .calibrate_decr = generic_calibrate_decr, +}; |