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authorMark Cave-Ayland <mark.cave-ayland@ilande.co.uk>2021-06-25 07:53:54 +0100
committerPhilippe Mathieu-Daudé <f4bug@amsat.org>2021-07-02 17:35:08 +0200
commit5d53baf3f5b3e711fd809d9e0b39b29be994ba9c (patch)
treee515ff9ce59d1031e55d369811e3cdd406c1e809
parentc0af04a43667e2e50ed347ca9f707b597c874496 (diff)
downloadqemu-5d53baf3f5b3e711fd809d9e0b39b29be994ba9c.zip
hw/mips/jazz: move PROM and checksum calculation from dp8393x device to board
This is in preparation for each board to have its own separate bit storage format and checksum for storing the MAC address. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Tested-by: Finn Thain <fthain@linux-m68k.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20210625065401.30170-4-mark.cave-ayland@ilande.co.uk> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
-rw-r--r--hw/mips/jazz.c23
1 files changed, 22 insertions, 1 deletions
diff --git a/hw/mips/jazz.c b/hw/mips/jazz.c
index 1e1cf8154e..89ca8bb910 100644
--- a/hw/mips/jazz.c
+++ b/hw/mips/jazz.c
@@ -119,6 +119,8 @@ static const MemoryRegionOps dma_dummy_ops = {
#define MAGNUM_BIOS_SIZE \
(BIOS_SIZE < MAGNUM_BIOS_SIZE_MAX ? BIOS_SIZE : MAGNUM_BIOS_SIZE_MAX)
+#define SONIC_PROM_SIZE 0x1000
+
static void mips_jazz_init(MachineState *machine,
enum jazz_model_e jazz_model)
{
@@ -137,6 +139,7 @@ static void mips_jazz_init(MachineState *machine,
MemoryRegion *rtc = g_new(MemoryRegion, 1);
MemoryRegion *i8042 = g_new(MemoryRegion, 1);
MemoryRegion *dma_dummy = g_new(MemoryRegion, 1);
+ MemoryRegion *dp8393x_prom = g_new(MemoryRegion, 1);
NICInfo *nd;
DeviceState *dev, *rc4030;
SysBusDevice *sysbus;
@@ -228,6 +231,10 @@ static void mips_jazz_init(MachineState *machine,
NULL, "dummy_dma", 0x1000);
memory_region_add_subregion(address_space, 0x8000d000, dma_dummy);
+ memory_region_init_rom(dp8393x_prom, NULL, "dp8393x-jazz.prom",
+ SONIC_PROM_SIZE, &error_fatal);
+ memory_region_add_subregion(address_space, 0x8000b000, dp8393x_prom);
+
/* ISA bus: IO space at 0x90000000, mem space at 0x91000000 */
memory_region_init(isa_io, NULL, "isa-io", 0x00010000);
memory_region_init(isa_mem, NULL, "isa-mem", 0x01000000);
@@ -275,6 +282,9 @@ static void mips_jazz_init(MachineState *machine,
nd->model = g_strdup("dp83932");
}
if (strcmp(nd->model, "dp83932") == 0) {
+ int checksum, i;
+ uint8_t *prom;
+
qemu_check_nic_model(nd, "dp83932");
dev = qdev_new("dp8393x");
@@ -285,8 +295,19 @@ static void mips_jazz_init(MachineState *machine,
sysbus = SYS_BUS_DEVICE(dev);
sysbus_realize_and_unref(sysbus, &error_fatal);
sysbus_mmio_map(sysbus, 0, 0x80001000);
- sysbus_mmio_map(sysbus, 1, 0x8000b000);
sysbus_connect_irq(sysbus, 0, qdev_get_gpio_in(rc4030, 4));
+
+ /* Add MAC address with valid checksum to PROM */
+ prom = memory_region_get_ram_ptr(dp8393x_prom);
+ checksum = 0;
+ for (i = 0; i < 6; i++) {
+ prom[i] = nd->macaddr.a[i];
+ checksum += prom[i];
+ if (checksum > 0xff) {
+ checksum = (checksum + 1) & 0xff;
+ }
+ }
+ prom[7] = 0xff - checksum;
break;
} else if (is_help_option(nd->model)) {
error_report("Supported NICs: dp83932");