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[PATCH v2 03/10] hw/mips/jazz: move PROM and checksum calculation from d
From: |
Mark Cave-Ayland |
Subject: |
[PATCH v2 03/10] hw/mips/jazz: move PROM and checksum calculation from dp8393x device to board |
Date: |
Fri, 25 Jun 2021 07:53:54 +0100 |
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>
---
hw/mips/jazz.c | 23 ++++++++++++++++++++++-
1 file changed, 22 insertions(+), 1 deletion(-)
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");
--
2.20.1
- [PATCH v2 00/10] dp8393x: fixes for MacOS toolbox ROM, Mark Cave-Ayland, 2021/06/25
- [PATCH v2 03/10] hw/mips/jazz: move PROM and checksum calculation from dp8393x device to board,
Mark Cave-Ayland <=
- [PATCH v2 02/10] dp8393x: convert to trace-events, Mark Cave-Ayland, 2021/06/25
- [PATCH v2 04/10] hw/m68k/q800: move PROM and checksum calculation from dp8393x device to board, Mark Cave-Ayland, 2021/06/25
- [PATCH v2 06/10] qemu/bitops.h: add bitrev8 implementation, Mark Cave-Ayland, 2021/06/25
- [PATCH v2 01/10] dp8393x: checkpatch fixes, Mark Cave-Ayland, 2021/06/25
- [PATCH v2 05/10] dp8393x: remove onboard PROM containing MAC address and checksum, Mark Cave-Ayland, 2021/06/25
- [PATCH v2 09/10] dp8393x: fix CAM descriptor entry index, Mark Cave-Ayland, 2021/06/25
- [PATCH v2 07/10] hw/m68k/q800: fix PROM checksum and MAC address storage, Mark Cave-Ayland, 2021/06/25
- [PATCH v2 08/10] dp8393x: don't force 32-bit register access, Mark Cave-Ayland, 2021/06/25