Revision 7165448a hw/pcnet.c
| b/hw/pcnet.c | ||
|---|---|---|
| 1557 | 1557 |
void pcnet_h_reset(void *opaque) |
| 1558 | 1558 |
{
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PCNetState *s = opaque; |
| 1560 |
int i; |
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| 1561 |
uint16_t checksum; |
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| 1562 |
|
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/* Initialize the PROM */ |
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|
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/* |
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Datasheet: http://pdfdata.datasheetsite.com/web/24528/AM79C970A.pdf |
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page 95 |
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*/ |
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memcpy(s->prom, s->conf.macaddr.a, 6); |
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| 1570 |
/* Reserved Location: must be 00h */ |
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s->prom[6] = s->prom[7] = 0x00; |
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| 1572 |
/* Reserved Location: must be 00h */ |
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s->prom[8] = 0x00; |
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/* Hardware ID: must be 11h if compatibility to AMD drivers is desired */ |
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s->prom[9] = 0x11; |
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/* User programmable space, init with 0 */ |
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s->prom[10] = s->prom[11] = 0x00; |
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/* LSByte of two-byte checksum, which is the sum of bytes 00h-0Bh |
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and bytes 0Eh and 0Fh, must therefore be initialized with 0! */ |
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s->prom[12] = s->prom[13] = 0x00; |
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/* Must be ASCII W (57h) if compatibility to AMD |
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driver software is desired */ |
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s->prom[14] = s->prom[15] = 0x57; |
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|
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for (i = 0,checksum = 0; i < 16; i++) |
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| 1586 |
checksum += s->prom[i]; |
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*(uint16_t *)&s->prom[12] = cpu_to_le16(checksum); |
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| 1588 |
|
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| 1590 | 1561 |
s->bcr[BCR_MSRDA] = 0x0005; |
| 1591 | 1562 |
s->bcr[BCR_MSWRA] = 0x0005; |
| ... | ... | |
| 1752 | 1723 |
|
| 1753 | 1724 |
int pcnet_common_init(DeviceState *dev, PCNetState *s, NetClientInfo *info) |
| 1754 | 1725 |
{
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| 1726 |
int i; |
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| 1727 |
uint16_t checksum; |
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| 1728 |
|
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| 1755 | 1729 |
s->poll_timer = qemu_new_timer(vm_clock, pcnet_poll_timer, s); |
| 1756 | 1730 |
|
| 1757 | 1731 |
qemu_macaddr_default_if_unset(&s->conf.macaddr); |
| ... | ... | |
| 1760 | 1734 |
|
| 1761 | 1735 |
add_boot_device_path(s->conf.bootindex, dev, "/ethernet-phy@0"); |
| 1762 | 1736 |
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/* Initialize the PROM */ |
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| 1738 |
|
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/* |
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| 1740 |
Datasheet: http://pdfdata.datasheetsite.com/web/24528/AM79C970A.pdf |
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page 95 |
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*/ |
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| 1743 |
memcpy(s->prom, s->conf.macaddr.a, 6); |
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| 1744 |
/* Reserved Location: must be 00h */ |
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| 1745 |
s->prom[6] = s->prom[7] = 0x00; |
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| 1746 |
/* Reserved Location: must be 00h */ |
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s->prom[8] = 0x00; |
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| 1748 |
/* Hardware ID: must be 11h if compatibility to AMD drivers is desired */ |
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| 1749 |
s->prom[9] = 0x11; |
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| 1750 |
/* User programmable space, init with 0 */ |
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s->prom[10] = s->prom[11] = 0x00; |
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| 1752 |
/* LSByte of two-byte checksum, which is the sum of bytes 00h-0Bh |
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| 1753 |
and bytes 0Eh and 0Fh, must therefore be initialized with 0! */ |
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s->prom[12] = s->prom[13] = 0x00; |
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| 1755 |
/* Must be ASCII W (57h) if compatibility to AMD |
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driver software is desired */ |
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s->prom[14] = s->prom[15] = 0x57; |
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for (i = 0, checksum = 0; i < 16; i++) {
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checksum += s->prom[i]; |
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} |
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*(uint16_t *)&s->prom[12] = cpu_to_le16(checksum); |
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|
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| 1763 | 1764 |
return 0; |
| 1764 | 1765 |
} |
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