diff options
| -rw-r--r-- | drivers/net/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/net/ax88796.c | 49 | ||||
| -rw-r--r-- | include/linux/eeprom_93cx6.h | 3 | ||||
| -rw-r--r-- | include/net/ax88796.h | 1 |
4 files changed, 59 insertions, 1 deletions
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 9ff1cf46eae..45f6cf53156 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -240,6 +240,13 @@ config AX88796 AX88796 driver, using platform bus to provide chip detection and resources +config AX88796_93CX6 + bool "ASIX AX88796 external 93CX6 eeprom support" + depends on AX88796 + select EEPROM_93CX6 + help + Select this if your platform comes with an external 93CX6 eeprom. + config MACE tristate "MACE (Power Mac ethernet) support" depends on PPC_PMAC && PPC32 diff --git a/drivers/net/ax88796.c b/drivers/net/ax88796.c index 90e0734e603..9fe0517cf89 100644 --- a/drivers/net/ax88796.c +++ b/drivers/net/ax88796.c @@ -24,6 +24,7 @@ #include <linux/etherdevice.h> #include <linux/ethtool.h> #include <linux/mii.h> +#include <linux/eeprom_93cx6.h> #include <net/ax88796.h> @@ -582,6 +583,37 @@ static const struct ethtool_ops ax_ethtool_ops = { .get_link = ax_get_link, }; +#ifdef CONFIG_AX88796_93CX6 +static void ax_eeprom_register_read(struct eeprom_93cx6 *eeprom) +{ + struct ei_device *ei_local = eeprom->data; + u8 reg = ei_inb(ei_local->mem + AX_MEMR); + + eeprom->reg_data_in = reg & AX_MEMR_EEI; + eeprom->reg_data_out = reg & AX_MEMR_EEO; /* Input pin */ + eeprom->reg_data_clock = reg & AX_MEMR_EECLK; + eeprom->reg_chip_select = reg & AX_MEMR_EECS; +} + +static void ax_eeprom_register_write(struct eeprom_93cx6 *eeprom) +{ + struct ei_device *ei_local = eeprom->data; + u8 reg = ei_inb(ei_local->mem + AX_MEMR); + + reg &= ~(AX_MEMR_EEI | AX_MEMR_EECLK | AX_MEMR_EECS); + + if (eeprom->reg_data_in) + reg |= AX_MEMR_EEI; + if (eeprom->reg_data_clock) + reg |= AX_MEMR_EECLK; + if (eeprom->reg_chip_select) + reg |= AX_MEMR_EECS; + + ei_outb(reg, ei_local->mem + AX_MEMR); + udelay(10); +} +#endif + /* setup code */ static void ax_initial_setup(struct net_device *dev, struct ei_device *ei_local) @@ -640,6 +672,23 @@ static int ax_init_dev(struct net_device *dev, int first_init) memcpy(dev->dev_addr, SA_prom, 6); } +#ifdef CONFIG_AX88796_93CX6 + if (first_init && ax->plat->flags & AXFLG_HAS_93CX6) { + unsigned char mac_addr[6]; + struct eeprom_93cx6 eeprom; + + eeprom.data = ei_local; + eeprom.register_read = ax_eeprom_register_read; + eeprom.register_write = ax_eeprom_register_write; + eeprom.width = PCI_EEPROM_WIDTH_93C56; + + eeprom_93cx6_multiread(&eeprom, 0, + (__le16 __force *)mac_addr, + sizeof(mac_addr) >> 1); + + memcpy(dev->dev_addr, mac_addr, 6); + } +#endif if (ax->plat->wordlength == 2) { /* We must set the 8390 for word mode. */ ei_outb(ax->plat->dcr_val, ei_local->mem + EN0_DCFG); diff --git a/include/linux/eeprom_93cx6.h b/include/linux/eeprom_93cx6.h index d774b7778c9..a55c873e8b6 100644 --- a/include/linux/eeprom_93cx6.h +++ b/include/linux/eeprom_93cx6.h @@ -21,13 +21,14 @@ /* Module: eeprom_93cx6 Abstract: EEPROM reader datastructures for 93cx6 chipsets. - Supported chipsets: 93c46 & 93c66. + Supported chipsets: 93c46, 93c56 and 93c66. */ /* * EEPROM operation defines. */ #define PCI_EEPROM_WIDTH_93C46 6 +#define PCI_EEPROM_WIDTH_93C56 8 #define PCI_EEPROM_WIDTH_93C66 8 #define PCI_EEPROM_WIDTH_OPCODE 3 #define PCI_EEPROM_WRITE_OPCODE 0x05 diff --git a/include/net/ax88796.h b/include/net/ax88796.h index ee786a043b3..51329dae44e 100644 --- a/include/net/ax88796.h +++ b/include/net/ax88796.h @@ -14,6 +14,7 @@ #define AXFLG_HAS_EEPROM (1<<0) #define AXFLG_MAC_FROMDEV (1<<1) /* device already has MAC */ +#define AXFLG_HAS_93CX6 (1<<2) /* use eeprom_93cx6 driver */ struct ax_plat_data { unsigned int flags; |