diff options
Diffstat (limited to 'package/madwifi/patches/354-lantiq_eeprom.patch')
| -rw-r--r-- | package/madwifi/patches/354-lantiq_eeprom.patch | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/package/madwifi/patches/354-lantiq_eeprom.patch b/package/madwifi/patches/354-lantiq_eeprom.patch new file mode 100644 index 0000000..59036b1 --- /dev/null +++ b/package/madwifi/patches/354-lantiq_eeprom.patch @@ -0,0 +1,95 @@ +--- a/ath_hal/ah_os.c ++++ b/ath_hal/ah_os.c +@@ -343,6 +343,46 @@ EXPORT_SYMBOL(ath_hal_func); + * NB: see the comments in ah_osdep.h about byte-swapping register + * reads and writes to understand what's going on below. + */ ++ ++#ifdef CONFIG_LANTIQ ++extern int lantiq_emulate_madwifi_eep; ++extern unsigned long long lantiq_madwifi_eep_addr; ++#define EEPROM_EMULATION 1 ++#endif ++ ++#ifdef EEPROM_EMULATION ++static int ath_hal_eeprom(struct ath_hal *ah, unsigned long addr, int val, int write) ++{ ++ static int addrsel = 0; ++ static int rc = 0; ++ ++ if (write) { ++ if(addr == 0x6000) { ++ addrsel = val * 2; ++ rc = 0; ++ } ++ } else { ++ switch(addr) ++ { ++ case 0x600c: ++ if(rc++ < 2) ++ val = 0x00000000; ++ else ++ val = 0x00000002; ++ break; ++ case 0x6004: ++ val = cpu_to_le16(__raw_readw((u16 *) KSEG1ADDR(lantiq_madwifi_eep_addr + addrsel))); ++ /* this forces the regdomain to 0x00 (worldwide), as the original setting ++ * causes issues with the HAL */ ++ if (addrsel == 0x17e) ++ val = 0; ++ break; ++ } ++ } ++ return val; ++} ++#endif ++ + void __ahdecl + ath_hal_reg_write(struct ath_hal *ah, u_int reg, u_int32_t val) + { +@@ -351,20 +391,33 @@ ath_hal_reg_write(struct ath_hal *ah, u_ + ath_hal_printf(ah, "%s: WRITE 0x%x <= 0x%x\n", + (ath_hal_func ?: "unknown"), reg, val); + #endif +- _OS_REG_WRITE(ah, reg, val); ++#ifdef EEPROM_EMULATION ++ if((reg >= 0x6000) && (reg <= 0x6010) && lantiq_emulate_madwifi_eep) ++ { ++ val = ath_hal_eeprom(ah, reg, val, 1); ++ } else ++#endif ++ _OS_REG_WRITE(ah, reg, val); + } + EXPORT_SYMBOL(ath_hal_reg_write); + ++ + /* This should only be called while holding the lock, sc->sc_hal_lock. */ + u_int32_t __ahdecl + ath_hal_reg_read(struct ath_hal *ah, u_int reg) + { +- u_int32_t val; ++ u_int32_t val; ++#ifdef EEPROM_EMULATION ++ if((reg >= 0x6000) && (reg <= 0x6010) && lantiq_emulate_madwifi_eep) ++ { ++ val = ath_hal_eeprom(ah, reg, 0, 0); ++ } else ++#endif ++ val = _OS_REG_READ(ah, reg); + +- val = _OS_REG_READ(ah, reg); + #ifdef AH_DEBUG + if (ath_hal_debug > 1) +- ath_hal_printf(ah, "%s: READ 0x%x => 0x%x\n", ++ ath_hal_printf(ah, "%s: READ 0x%x => 0x%x\n", + (ath_hal_func ?: "unknown"), reg, val); + #endif + return val; +@@ -581,7 +634,6 @@ init_ath_hal(void) + { + const char *sep; + int i; +- + printk(KERN_INFO "%s: %s (", dev_info, ath_hal_version); + sep = ""; + for (i = 0; ath_hal_buildopts[i] != NULL; i++) { |