diff options
| -rw-r--r-- | arch/powerpc/include/asm/firmware.h | 6 | ||||
| -rw-r--r-- | arch/powerpc/kernel/prom.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/firmware.c | 48 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/pseries.h | 5 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/setup.c | 41 |
5 files changed, 56 insertions, 48 deletions
diff --git a/arch/powerpc/include/asm/firmware.h b/arch/powerpc/include/asm/firmware.h index b0629249778b..1e0b5a5d660a 100644 --- a/arch/powerpc/include/asm/firmware.h +++ b/arch/powerpc/include/asm/firmware.h @@ -126,6 +126,12 @@ extern int fwnmi_active; extern unsigned int __start___fw_ftr_fixup, __stop___fw_ftr_fixup; +#ifdef CONFIG_PPC_PSERIES +void pseries_probe_fw_features(void); +#else +static inline void pseries_probe_fw_features(void) { }; +#endif + #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ #endif /* __ASM_POWERPC_FIRMWARE_H */ diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index 7a01113d525c..2bd1784e65b3 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -57,6 +57,7 @@ #include <asm/fadump.h> #include <asm/debug.h> #include <asm/epapr_hcalls.h> +#include <asm/firmware.h> #include <mm/mmu_decl.h> @@ -755,6 +756,9 @@ void __init early_init_devtree(void *params) #endif epapr_paravirt_early_init(); + /* Now try to figure out if we are running on LPAR and so on */ + pseries_probe_fw_features(); + DBG(" <- early_init_devtree()\n"); } diff --git a/arch/powerpc/platforms/pseries/firmware.c b/arch/powerpc/platforms/pseries/firmware.c index 8c80588abacc..ea7f09bd73b1 100644 --- a/arch/powerpc/platforms/pseries/firmware.c +++ b/arch/powerpc/platforms/pseries/firmware.c @@ -22,6 +22,7 @@ */ +#include <linux/of_fdt.h> #include <asm/firmware.h> #include <asm/prom.h> #include <asm/udbg.h> @@ -69,7 +70,8 @@ hypertas_fw_features_table[] = { * device-tree/ibm,hypertas-functions. Ultimately this functionality may * be moved into prom.c prom_init(). */ -void __init fw_hypertas_feature_init(const char *hypertas, unsigned long len) +static void __init fw_hypertas_feature_init(const char *hypertas, + unsigned long len) { const char *s; int i; @@ -113,7 +115,7 @@ vec5_fw_features_table[] = { {FW_FEATURE_PRRN, OV5_PRRN}, }; -void __init fw_vec5_feature_init(const char *vec5, unsigned long len) +static void __init fw_vec5_feature_init(const char *vec5, unsigned long len) { unsigned int index, feat; int i; @@ -131,3 +133,45 @@ void __init fw_vec5_feature_init(const char *vec5, unsigned long len) pr_debug(" <- fw_vec5_feature_init()\n"); } + +/* + * Called very early, MMU is off, device-tree isn't unflattened + */ +static int __init probe_fw_features(unsigned long node, const char *uname, int + depth, void *data) +{ + const char *prop; + int len; + static int hypertas_found; + static int vec5_found; + + if (depth != 1) + return 0; + + if (!strcmp(uname, "rtas") || !strcmp(uname, "rtas@0")) { + prop = of_get_flat_dt_prop(node, "ibm,hypertas-functions", + &len); + if (prop) { + powerpc_firmware_features |= FW_FEATURE_LPAR; + fw_hypertas_feature_init(prop, len); + } + + hypertas_found = 1; + } + + if (!strcmp(uname, "chosen")) { + prop = of_get_flat_dt_prop(node, "ibm,architecture-vec-5", + &len); + if (prop) + fw_vec5_feature_init(prop, len); + + vec5_found = 1; + } + + return hypertas_found && vec5_found; +} + +void __init pseries_probe_fw_features(void) +{ + of_scan_flat_dt(probe_fw_features, NULL); +} diff --git a/arch/powerpc/platforms/pseries/pseries.h b/arch/powerpc/platforms/pseries/pseries.h index bba32853c468..b1be7b713fe6 100644 --- a/arch/powerpc/platforms/pseries/pseries.h +++ b/arch/powerpc/platforms/pseries/pseries.h @@ -20,11 +20,6 @@ extern void request_event_sources_irqs(struct device_node *np, #include <linux/of.h> -extern void __init fw_hypertas_feature_init(const char *hypertas, - unsigned long len); -extern void __init fw_vec5_feature_init(const char *hypertas, - unsigned long len); - struct pt_regs; extern int pSeries_system_reset_exception(struct pt_regs *regs); diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index e61e9b986e21..9cc9b88fce79 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -659,45 +659,6 @@ static void pseries_power_off(void) for (;;); } -/* - * Called very early, MMU is off, device-tree isn't unflattened - */ - -static int __init pseries_probe_fw_features(unsigned long node, - const char *uname, int depth, - void *data) -{ - const char *prop; - int len; - static int hypertas_found; - static int vec5_found; - - if (depth != 1) - return 0; - - if (!strcmp(uname, "rtas") || !strcmp(uname, "rtas@0")) { - prop = of_get_flat_dt_prop(node, "ibm,hypertas-functions", - &len); - if (prop) { - powerpc_firmware_features |= FW_FEATURE_LPAR; - fw_hypertas_feature_init(prop, len); - } - - hypertas_found = 1; - } - - if (!strcmp(uname, "chosen")) { - prop = of_get_flat_dt_prop(node, "ibm,architecture-vec-5", - &len); - if (prop) - fw_vec5_feature_init(prop, len); - - vec5_found = 1; - } - - return hypertas_found && vec5_found; -} - static int __init pSeries_probe(void) { unsigned long root = of_get_flat_dt_root(); @@ -717,8 +678,6 @@ static int __init pSeries_probe(void) pr_debug("pSeries detected, looking for LPAR capability...\n"); - /* Now try to figure out if we are running on LPAR */ - of_scan_flat_dt(pseries_probe_fw_features, NULL); #ifdef __LITTLE_ENDIAN__ if (firmware_has_feature(FW_FEATURE_SET_MODE)) { |