diff options
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/fdt.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/mp.c | 23 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc86xx/fdt.c | 5 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc86xx/mp.c | 17 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc8xxx/fdt.c | 5 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/mp.h | 3 |
6 files changed, 50 insertions, 7 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/fdt.c b/arch/powerpc/cpu/mpc85xx/fdt.c index 1d11ab4..2628cc5 100644 --- a/arch/powerpc/cpu/mpc85xx/fdt.c +++ b/arch/powerpc/cpu/mpc85xx/fdt.c @@ -1,5 +1,5 @@ /* - * Copyright 2007-2009 Freescale Semiconductor, Inc. + * Copyright 2007-2010 Freescale Semiconductor, Inc. * * (C) Copyright 2000 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. @@ -404,8 +404,8 @@ void ft_cpu_setup(void *blob, bd_t *bd) #ifdef CONFIG_MP ft_fixup_cpu(blob, (u64)bd->bi_memstart + (u64)bd->bi_memsize); -#endif ft_fixup_num_cores(blob); +#endif ft_fixup_cache(blob); diff --git a/arch/powerpc/cpu/mpc85xx/mp.c b/arch/powerpc/cpu/mpc85xx/mp.c index ddbc221..e05257c 100644 --- a/arch/powerpc/cpu/mpc85xx/mp.c +++ b/arch/powerpc/cpu/mpc85xx/mp.c @@ -77,6 +77,13 @@ int cpu_disable(int nr) return 0; } + +int is_core_disabled(int nr) { + ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + u32 coredisrl = in_be32(&gur->coredisrl); + + return (coredisrl & (1 << nr)); +} #else int cpu_disable(int nr) { @@ -96,6 +103,22 @@ int cpu_disable(int nr) return 0; } + +int is_core_disabled(int nr) { + ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + u32 devdisr = in_be32(&gur->devdisr); + + switch (nr) { + case 0: + return (devdisr & MPC85xx_DEVDISR_CPU0); + case 1: + return (devdisr & MPC85xx_DEVDISR_CPU1); + default: + printf("Invalid cpu number for disable %d\n", nr); + } + + return 0; +} #endif static u8 boot_entry_map[4] = { diff --git a/arch/powerpc/cpu/mpc86xx/fdt.c b/arch/powerpc/cpu/mpc86xx/fdt.c index 51f3f4c..ff89ee5 100644 --- a/arch/powerpc/cpu/mpc86xx/fdt.c +++ b/arch/powerpc/cpu/mpc86xx/fdt.c @@ -1,5 +1,5 @@ /* - * Copyright 2008 Freescale Semiconductor, Inc. + * Copyright 2008,2010 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 @@ -55,6 +55,7 @@ void ft_cpu_setup(void *blob, bd_t *bd) off = fdt_add_mem_rsv(blob, bootpg, (u64)4096); if (off < 0) printf("%s: %s\n", __FUNCTION__, fdt_strerror(off)); -#endif + ft_fixup_num_cores(blob); +#endif } diff --git a/arch/powerpc/cpu/mpc86xx/mp.c b/arch/powerpc/cpu/mpc86xx/mp.c index 24eb30a..30c99eb 100644 --- a/arch/powerpc/cpu/mpc86xx/mp.c +++ b/arch/powerpc/cpu/mpc86xx/mp.c @@ -66,6 +66,23 @@ int cpu_disable(int nr) return 0; } +int is_core_disabled(int nr) { + immap_t *immap = (immap_t *) CONFIG_SYS_CCSRBAR; + ccsr_gur_t *gur = &immap->im_gur; + u32 devdisr = in_be32(&gur->devdisr); + + switch (nr) { + case 0: + return (devdisr & MPC86xx_DEVDISR_CPU0); + case 1: + return (devdisr & MPC86xx_DEVDISR_CPU1); + default: + printf("Invalid cpu number for disable %d\n", nr); + } + + return 0; +} + int cpu_release(int nr, int argc, char * const argv[]) { /* dummy function so common/cmd_mp.c will build diff --git a/arch/powerpc/cpu/mpc8xxx/fdt.c b/arch/powerpc/cpu/mpc8xxx/fdt.c index c9956b6..88c47d1 100644 --- a/arch/powerpc/cpu/mpc8xxx/fdt.c +++ b/arch/powerpc/cpu/mpc8xxx/fdt.c @@ -26,8 +26,9 @@ #include <common.h> #include <libfdt.h> #include <fdt_support.h> +#include <asm/mp.h> -#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) +#if defined(CONFIG_MP) && (defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)) static int ft_del_cpuhandle(void *blob, int cpuhandle) { int off, ret = -FDT_ERR_NOTFOUND; @@ -57,7 +58,7 @@ void ft_fixup_num_cores(void *blob) { while (off != -FDT_ERR_NOTFOUND) { u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0); - if (*reg > num_cores-1) { + if ((*reg > num_cores-1) || (is_core_disabled(*reg))) { int ph = fdt_get_phandle(blob, off); /* Delete the cpu node once there are no cpu handles */ diff --git a/arch/powerpc/include/asm/mp.h b/arch/powerpc/include/asm/mp.h index 5388c95..3ffa30b 100644 --- a/arch/powerpc/include/asm/mp.h +++ b/arch/powerpc/include/asm/mp.h @@ -1,5 +1,5 @@ /* - * Copyright 2009 Freescale Semiconductor, Inc. + * Copyright 2009-2010 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 @@ -26,5 +26,6 @@ void setup_mp(void); void cpu_mp_lmb_reserve(struct lmb *lmb); u32 determine_mp_bootpg(void); +int is_core_disabled(int nr); #endif |