diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-ppc/pmac_feature.h | 6 | ||||
| -rw-r--r-- | include/asm-ppc/reg.h | 1 | ||||
| -rw-r--r-- | include/asm-ppc/uninorth.h | 6 |
3 files changed, 13 insertions, 0 deletions
diff --git a/include/asm-ppc/pmac_feature.h b/include/asm-ppc/pmac_feature.h index 11065e368382..ee15e9c59aa2 100644 --- a/include/asm-ppc/pmac_feature.h +++ b/include/asm-ppc/pmac_feature.h @@ -273,6 +273,12 @@ static inline long pmac_call_feature(int selector, struct device_node* node, */ #define PMAC_FTR_ENABLE_MPIC PMAC_FTR_DEF(19) +/* PMAC_FTR_AACK_DELAY_ENABLE (NULL, int enable, 0) + * + * Enable/disable the AACK delay on the northbridge for systems using DFS + */ +#define PMAC_FTR_AACK_DELAY_ENABLE PMAC_FTR_DEF(20) + /* Don't use those directly, they are for the sake of pmac_setup.c */ extern long pmac_do_feature_call(unsigned int selector, ...); diff --git a/include/asm-ppc/reg.h b/include/asm-ppc/reg.h index f02ec3cf65ec..15c93af4079a 100644 --- a/include/asm-ppc/reg.h +++ b/include/asm-ppc/reg.h @@ -174,6 +174,7 @@ #define SPRN_HID1 0x3F1 /* Hardware Implementation Register 1 */ #define HID1_EMCP (1<<31) /* 7450 Machine Check Pin Enable */ +#define HID1_DFS (1<<22) /* 7447A Dynamic Frequency Scaling */ #define HID1_PC0 (1<<16) /* 7450 PLL_CFG[0] */ #define HID1_PC1 (1<<15) /* 7450 PLL_CFG[1] */ #define HID1_PC2 (1<<14) /* 7450 PLL_CFG[2] */ diff --git a/include/asm-ppc/uninorth.h b/include/asm-ppc/uninorth.h index eeff122f365b..2cf025936edf 100644 --- a/include/asm-ppc/uninorth.h +++ b/include/asm-ppc/uninorth.h @@ -142,6 +142,12 @@ */ #define UNI_N_HWINIT_STATE_CPU1_FLAG 0x10000000 +/* This register controls AACK delay, which is set when 2004 iBook/PowerBook + * is in low speed mode. + */ +#define UNI_N_AACK_DELAY 0x0100 +#define UNI_N_AACK_DELAY_ENABLE 0x00000001 + /* Uninorth 1.5 rev. has additional perf. monitor registers at 0xf00-0xf50 */ |