diff options
| author | Hervé Poussineau <hpoussin@reactos.org> | 2015-06-03 22:45:46 +0200 |
|---|---|---|
| committer | Leon Alrae <leon.alrae@imgtec.com> | 2015-06-11 10:13:30 +0100 |
| commit | 89ae0ff9b73ee74c9ba707a09a07ad77b9fdccb4 (patch) | |
| tree | 230b6791c657a95811e72538e409ba89fbd7b129 /hw/net | |
| parent | 104655a5c818ea8de1329cef50d1cc8defc524f3 (diff) | |
net/dp8393x: add PROM to store MAC address
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Diffstat (limited to 'hw/net')
| -rw-r--r-- | hw/net/dp8393x.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/hw/net/dp8393x.c b/hw/net/dp8393x.c index 51e728b586..ef1fb0e69c 100644 --- a/hw/net/dp8393x.c +++ b/hw/net/dp8393x.c @@ -25,6 +25,7 @@ //#define DEBUG_SONIC +#define SONIC_PROM_SIZE 0x1000 #ifdef DEBUG_SONIC #define DPRINTF(fmt, ...) \ @@ -156,6 +157,7 @@ typedef struct dp8393xState { NICConf conf; NICState *nic; MemoryRegion mmio; + MemoryRegion prom; /* Registers */ uint8_t cam[16][6]; @@ -816,12 +818,15 @@ static void dp8393x_instance_init(Object *obj) dp8393xState *s = DP8393X(obj); sysbus_init_mmio(sbd, &s->mmio); + sysbus_init_mmio(sbd, &s->prom); sysbus_init_irq(sbd, &s->irq); } static void dp8393x_realize(DeviceState *dev, Error **errp) { dp8393xState *s = DP8393X(dev); + int i, checksum; + uint8_t *prom; address_space_init(&s->as, s->dma_mr, "dp8393x"); memory_region_init_io(&s->mmio, OBJECT(dev), &dp8393x_ops, s, @@ -833,6 +838,19 @@ static void dp8393x_realize(DeviceState *dev, Error **errp) s->watchdog = timer_new_ns(QEMU_CLOCK_VIRTUAL, dp8393x_watchdog, s); s->regs[SONIC_SR] = 0x0004; /* only revision recognized by Linux */ + + memory_region_init_rom_device(&s->prom, OBJECT(dev), NULL, NULL, + "dp8393x-prom", SONIC_PROM_SIZE, NULL); + prom = memory_region_get_ram_ptr(&s->prom); + checksum = 0; + for (i = 0; i < 6; i++) { + prom[i] = s->conf.macaddr.a[i]; + checksum += prom[i]; + if (checksum > 0xff) { + checksum = (checksum + 1) & 0xff; + } + } + prom[7] = 0xff - checksum; } static Property dp8393x_properties[] = { |