diff options
author | Stefan Weil <weil@mail.berlios.de> | 2010-03-02 22:37:42 +0100 |
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committer | Michael S. Tsirkin <mst@redhat.com> | 2010-03-03 13:33:48 +0200 |
commit | 0908bba1577d39bef09dd617b650d6dbd04ccf9e (patch) | |
tree | ee8d1ecc1626325a90078c85ae3acd5fa00c2661 /hw/eepro100.c | |
parent | ce0e58b3948ac75caca5bbb33b1ab52171fd95d7 (diff) | |
download | hqemu-0908bba1577d39bef09dd617b650d6dbd04ccf9e.zip hqemu-0908bba1577d39bef09dd617b650d6dbd04ccf9e.tar.gz |
eepro100: Add missing SCB register names
Some system control block registers were addressed
using their offset value. Use symbolic names now
and clean the documentation.
Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/eepro100.c')
-rw-r--r-- | hw/eepro100.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/hw/eepro100.c b/hw/eepro100.c index 6580ca8..124bc49 100644 --- a/hw/eepro100.c +++ b/hw/eepro100.c @@ -125,16 +125,20 @@ /* Offsets to the various registers. All accesses need not be longword aligned. */ enum speedo_offsets { - SCBStatus = 0, + SCBStatus = 0, /* Status Word. */ SCBAck = 1, SCBCmd = 2, /* Rx/Command Unit command and status. */ SCBIntmask = 3, SCBPointer = 4, /* General purpose pointer. */ SCBPort = 8, /* Misc. commands and operands. */ - SCBflash = 12, SCBeeprom = 14, /* EEPROM and flash memory control. */ + SCBflash = 12, /* Flash memory control. */ + SCBeeprom = 14, /* EEPROM control. */ SCBCtrlMDI = 16, /* MDI interface control. */ SCBEarlyRx = 20, /* Early receive byte count. */ - SCBFlow = 24, + SCBFlow = 24, /* Flow Control. */ + SCBpmdr = 27, /* Power Management Driver. */ + SCBgctrl = 28, /* General Control. */ + SCBgstat = 29, /* General Status. */ }; /* A speedo3 transmit buffer descriptor with two buffers... */ @@ -1333,11 +1337,11 @@ static uint8_t eepro100_read1(EEPRO100State * s, uint32_t addr) case SCBeeprom: val = eepro100_read_eeprom(s); break; - case 0x1b: /* PMDR (power management driver register) */ + case SCBpmdr: /* Power Management Driver Register */ val = 0; TRACE(OTHER, logout("addr=%s val=0x%02x\n", regname(addr), val)); break; - case 0x1d: /* general status register */ + case SCBgstat: /* General Status Register */ /* 100 Mbps full duplex, valid link */ val = 0x07; TRACE(OTHER, logout("addr=General Status val=%02x\n", val)); @@ -1431,7 +1435,7 @@ static void eepro100_write1(EEPRO100State * s, uint32_t addr, uint8_t val) case SCBFlow: /* does not exist on 82557 */ case SCBFlow + 1: case SCBFlow + 2: - case SCBFlow + 3: + case SCBpmdr: /* does not exist on 82557 */ TRACE(OTHER, logout("addr=%s val=0x%02x\n", regname(addr), val)); break; case SCBeeprom: |