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moving eeprom initialization

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The initialization should not be only on reset but also when initializing
the device.
It resolves a bug when hot plugging a pci network device: the mac address
was always null.

Signed-off-by: William Dauchy <wdauchy@gmail.com>
Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
William Dauchy 2011-03-06 22:27:18 +01:00 • committed by Blue Swirl
parent e14c8062f4
commit 7165448a91
2 changed files with 41 additions and 41 deletions
Download patch file Download diff file Expand all files Collapse all files

59
hw/pcnet.c
View file

@ -1557,35 +1557,6 @@ uint32_t pcnet_bcr_readw(PCNetState *s, uint32_t rap)
void pcnet_h_reset(void *opaque)
{
PCNetState *s = opaque;
int i;
uint16_t checksum;
/* Initialize the PROM */
/*
Datasheet: http://pdfdata.datasheetsite.com/web/24528/AM79C970A.pdf
page 95
*/
memcpy(s->prom, s->conf.macaddr.a, 6);
/* Reserved Location: must be 00h */
s->prom[6] = s->prom[7] = 0x00;
/* Reserved Location: must be 00h */
s->prom[8] = 0x00;
/* Hardware ID: must be 11h if compatibility to AMD drivers is desired */
s->prom[9] = 0x11;
/* User programmable space, init with 0 */
s->prom[10] = s->prom[11] = 0x00;
/* LSByte of two-byte checksum, which is the sum of bytes 00h-0Bh
and bytes 0Eh and 0Fh, must therefore be initialized with 0! */
s->prom[12] = s->prom[13] = 0x00;
/* Must be ASCII W (57h) if compatibility to AMD
driver software is desired */
s->prom[14] = s->prom[15] = 0x57;
for (i = 0,checksum = 0; i < 16; i++)
checksum += s->prom[i];
*(uint16_t *)&s->prom[12] = cpu_to_le16(checksum);
s->bcr[BCR_MSRDA] = 0x0005;
s->bcr[BCR_MSWRA] = 0x0005;
@ -1752,6 +1723,9 @@ void pcnet_common_cleanup(PCNetState *d)
int pcnet_common_init(DeviceState *dev, PCNetState *s, NetClientInfo *info)
{
int i;
uint16_t checksum;
s->poll_timer = qemu_new_timer(vm_clock, pcnet_poll_timer, s);
qemu_macaddr_default_if_unset(&s->conf.macaddr);
@ -1760,5 +1734,32 @@ int pcnet_common_init(DeviceState *dev, PCNetState *s, NetClientInfo *info)
add_boot_device_path(s->conf.bootindex, dev, "/ethernet-phy@0");
/* Initialize the PROM */
/*
Datasheet: http://pdfdata.datasheetsite.com/web/24528/AM79C970A.pdf
page 95
*/
memcpy(s->prom, s->conf.macaddr.a, 6);
/* Reserved Location: must be 00h */
s->prom[6] = s->prom[7] = 0x00;
/* Reserved Location: must be 00h */
s->prom[8] = 0x00;
/* Hardware ID: must be 11h if compatibility to AMD drivers is desired */
s->prom[9] = 0x11;
/* User programmable space, init with 0 */
s->prom[10] = s->prom[11] = 0x00;
/* LSByte of two-byte checksum, which is the sum of bytes 00h-0Bh
and bytes 0Eh and 0Fh, must therefore be initialized with 0! */
s->prom[12] = s->prom[13] = 0x00;
/* Must be ASCII W (57h) if compatibility to AMD
driver software is desired */
s->prom[14] = s->prom[15] = 0x57;
for (i = 0, checksum = 0; i < 16; i++) {
checksum += s->prom[i];
}
*(uint16_t *)&s->prom[12] = cpu_to_le16(checksum);
return 0;
}