- ``sonorapass-bmc`` OCP SonoraPass BMC
- ``fp5280g2-bmc`` Inspur FP5280G2 BMC
- ``g220a-bmc`` Bytedance G220A BMC
+- ``yosemitev2-bmc`` Facebook YosemiteV2 BMC
+- ``tiogapass-bmc`` Facebook Tiogapass BMC
AST2600 SoC based machines :
cpu_set_pc(cs, info->smp_loader_start);
}
-#define FIRMWARE_ADDR 0x0
-
-static void write_boot_rom(DriveInfo *dinfo, hwaddr addr, size_t rom_size,
+static void write_boot_rom(BlockBackend *blk, hwaddr addr, size_t rom_size,
Error **errp)
{
- BlockBackend *blk = blk_by_legacy_dinfo(dinfo);
g_autofree void *storage = NULL;
int64_t size;
rom_add_blob_fixed("aspeed.boot_rom", storage, rom_size, addr);
}
+/*
+ * Create a ROM and copy the flash contents at the expected address
+ * (0x0). Boots faster than execute-in-place.
+ */
+static void aspeed_install_boot_rom(AspeedSoCState *soc, BlockBackend *blk,
+ uint64_t rom_size)
+{
+ MemoryRegion *boot_rom = g_new(MemoryRegion, 1);
+
+ memory_region_init_rom(boot_rom, NULL, "aspeed.boot_rom", rom_size,
+ &error_abort);
+ memory_region_add_subregion_overlap(&soc->spi_boot_container, 0,
+ boot_rom, 1);
+ write_boot_rom(blk, ASPEED_SOC_SPI_BOOT_ADDR, rom_size, &error_abort);
+}
+
void aspeed_board_init_flashes(AspeedSMCState *s, const char *flashtype,
unsigned int count, int unit0)
{
qdev_realize_and_unref(dev, BUS(s->spi), &error_fatal);
cs_line = qdev_get_gpio_in_named(dev, SSI_GPIO_CS, 0);
- sysbus_connect_irq(SYS_BUS_DEVICE(s), i + 1, cs_line);
+ qdev_connect_gpio_out_named(DEVICE(s), "cs", i, cs_line);
}
}
AspeedMachineState *bmc = ASPEED_MACHINE(machine);
AspeedMachineClass *amc = ASPEED_MACHINE_GET_CLASS(machine);
AspeedSoCClass *sc;
- DriveInfo *drive0 = drive_get(IF_MTD, 0, 0);
int i;
NICInfo *nd = &nd_table[0];
bmc->spi_model ? bmc->spi_model : amc->spi_model,
1, amc->num_cs);
- /* Install first FMC flash content as a boot rom. */
- if (drive0) {
- AspeedSMCFlash *fl = &bmc->soc.fmc.flashes[0];
- MemoryRegion *boot_rom = g_new(MemoryRegion, 1);
- uint64_t size = memory_region_size(&fl->mmio);
-
- /*
- * create a ROM region using the default mapping window size of
- * the flash module. The window size is 64MB for the AST2400
- * SoC and 128MB for the AST2500 SoC, which is twice as big as
- * needed by the flash modules of the Aspeed machines.
- */
- if (ASPEED_MACHINE(machine)->mmio_exec) {
- memory_region_init_alias(boot_rom, NULL, "aspeed.boot_rom",
- &fl->mmio, 0, size);
- memory_region_add_subregion(get_system_memory(), FIRMWARE_ADDR,
- boot_rom);
- } else {
- memory_region_init_rom(boot_rom, NULL, "aspeed.boot_rom",
- size, &error_abort);
- memory_region_add_subregion(get_system_memory(), FIRMWARE_ADDR,
- boot_rom);
- write_boot_rom(drive0, FIRMWARE_ADDR, size, &error_abort);
- }
- }
-
if (machine->kernel_filename && sc->num_cpus > 1) {
/* With no u-boot we must set up a boot stub for the secondary CPU */
MemoryRegion *smpboot = g_new(MemoryRegion, 1);
drive_get(IF_SD, 0, bmc->soc.sdhci.num_slots));
}
+ if (!bmc->mmio_exec) {
+ DriveInfo *mtd0 = drive_get(IF_MTD, 0, 0);
+
+ if (mtd0) {
+ uint64_t rom_size = memory_region_size(&bmc->soc.spi_boot);
+ aspeed_install_boot_rom(&bmc->soc, blk_by_legacy_dinfo(mtd0),
+ rom_size);
+ }
+ }
+
arm_load_kernel(ARM_CPU(first_cpu), machine, &aspeed_board_binfo);
}
TYPE_TMP105, 0x4d);
}
+static void yosemitev2_bmc_i2c_init(AspeedMachineState *bmc)
+{
+ AspeedSoCState *soc = &bmc->soc;
+
+ at24c_eeprom_init(aspeed_i2c_get_bus(&soc->i2c, 4), 0x51, 128 * KiB);
+ at24c_eeprom_init_rom(aspeed_i2c_get_bus(&soc->i2c, 8), 0x51, 128 * KiB,
+ yosemitev2_bmc_fruid, yosemitev2_bmc_fruid_len);
+}
+
static void romulus_bmc_i2c_init(AspeedMachineState *bmc)
{
AspeedSoCState *soc = &bmc->soc;
i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 11), "ds1338", 0x32);
}
+static void tiogapass_bmc_i2c_init(AspeedMachineState *bmc)
+{
+ AspeedSoCState *soc = &bmc->soc;
+
+ at24c_eeprom_init(aspeed_i2c_get_bus(&soc->i2c, 4), 0x54, 128 * KiB);
+ at24c_eeprom_init_rom(aspeed_i2c_get_bus(&soc->i2c, 6), 0x54, 128 * KiB,
+ tiogapass_bmc_fruid, tiogapass_bmc_fruid_len);
+}
+
static void create_pca9552(AspeedSoCState *soc, int bus_id, int addr)
{
i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, bus_id),
i2c_slave_create_simple(i2c[17], TYPE_LM75, 0x4c);
i2c_slave_create_simple(i2c[17], TYPE_LM75, 0x4d);
- at24c_eeprom_init(i2c[19], 0x52, 64 * KiB);
- at24c_eeprom_init(i2c[20], 0x50, 2 * KiB);
- at24c_eeprom_init(i2c[22], 0x52, 2 * KiB);
+ /*
+ * EEPROM 24c64 size is 64Kbits or 8 Kbytes
+ * 24c02 size is 2Kbits or 256 bytes
+ */
+ at24c_eeprom_init(i2c[19], 0x52, 8 * KiB);
+ at24c_eeprom_init(i2c[20], 0x50, 256);
+ at24c_eeprom_init(i2c[22], 0x52, 256);
i2c_slave_create_simple(i2c[3], TYPE_LM75, 0x48);
i2c_slave_create_simple(i2c[3], TYPE_LM75, 0x49);
i2c_slave_create_simple(i2c[3], TYPE_LM75, 0x4a);
i2c_slave_create_simple(i2c[3], TYPE_TMP422, 0x4c);
- at24c_eeprom_init(i2c[8], 0x51, 64 * KiB);
+ at24c_eeprom_init(i2c[8], 0x51, 8 * KiB);
i2c_slave_create_simple(i2c[8], TYPE_LM75, 0x4a);
i2c_slave_create_simple(i2c[50], TYPE_LM75, 0x4c);
- at24c_eeprom_init(i2c[50], 0x52, 64 * KiB);
+ at24c_eeprom_init(i2c[50], 0x52, 8 * KiB);
i2c_slave_create_simple(i2c[51], TYPE_TMP75, 0x48);
i2c_slave_create_simple(i2c[52], TYPE_TMP75, 0x49);
i2c_slave_create_simple(i2c[59], TYPE_TMP75, 0x48);
i2c_slave_create_simple(i2c[60], TYPE_TMP75, 0x49);
- at24c_eeprom_init(i2c[65], 0x53, 64 * KiB);
+ at24c_eeprom_init(i2c[65], 0x53, 8 * KiB);
i2c_slave_create_simple(i2c[66], TYPE_TMP75, 0x49);
i2c_slave_create_simple(i2c[66], TYPE_TMP75, 0x48);
- at24c_eeprom_init(i2c[68], 0x52, 64 * KiB);
- at24c_eeprom_init(i2c[69], 0x52, 64 * KiB);
- at24c_eeprom_init(i2c[70], 0x52, 64 * KiB);
- at24c_eeprom_init(i2c[71], 0x52, 64 * KiB);
+ at24c_eeprom_init(i2c[68], 0x52, 8 * KiB);
+ at24c_eeprom_init(i2c[69], 0x52, 8 * KiB);
+ at24c_eeprom_init(i2c[70], 0x52, 8 * KiB);
+ at24c_eeprom_init(i2c[71], 0x52, 8 * KiB);
- at24c_eeprom_init(i2c[73], 0x53, 64 * KiB);
+ at24c_eeprom_init(i2c[73], 0x53, 8 * KiB);
i2c_slave_create_simple(i2c[74], TYPE_TMP75, 0x49);
i2c_slave_create_simple(i2c[74], TYPE_TMP75, 0x48);
- at24c_eeprom_init(i2c[76], 0x52, 64 * KiB);
- at24c_eeprom_init(i2c[77], 0x52, 64 * KiB);
- at24c_eeprom_init(i2c[78], 0x52, 64 * KiB);
- at24c_eeprom_init(i2c[79], 0x52, 64 * KiB);
- at24c_eeprom_init(i2c[28], 0x50, 2 * KiB);
+ at24c_eeprom_init(i2c[76], 0x52, 8 * KiB);
+ at24c_eeprom_init(i2c[77], 0x52, 8 * KiB);
+ at24c_eeprom_init(i2c[78], 0x52, 8 * KiB);
+ at24c_eeprom_init(i2c[79], 0x52, 8 * KiB);
+ at24c_eeprom_init(i2c[28], 0x50, 256);
for (int i = 0; i < 8; i++) {
at24c_eeprom_init(i2c[81 + i * 8], 0x56, 64 * KiB);
aspeed_soc_num_cpus(amc->soc_name);
};
+static void aspeed_machine_yosemitev2_class_init(ObjectClass *oc, void *data)
+{
+ MachineClass *mc = MACHINE_CLASS(oc);
+ AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);
+
+ mc->desc = "Facebook YosemiteV2 BMC (ARM1176)";
+ amc->soc_name = "ast2500-a1";
+ amc->hw_strap1 = AST2500_EVB_HW_STRAP1;
+ amc->hw_strap2 = 0;
+ amc->fmc_model = "n25q256a";
+ amc->spi_model = "mx25l25635e";
+ amc->num_cs = 2;
+ amc->i2c_init = yosemitev2_bmc_i2c_init;
+ mc->default_ram_size = 512 * MiB;
+ mc->default_cpus = mc->min_cpus = mc->max_cpus =
+ aspeed_soc_num_cpus(amc->soc_name);
+};
+
static void aspeed_machine_romulus_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
aspeed_soc_num_cpus(amc->soc_name);
};
+static void aspeed_machine_tiogapass_class_init(ObjectClass *oc, void *data)
+{
+ MachineClass *mc = MACHINE_CLASS(oc);
+ AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);
+
+ mc->desc = "Facebook Tiogapass BMC (ARM1176)";
+ amc->soc_name = "ast2500-a1";
+ amc->hw_strap1 = AST2500_EVB_HW_STRAP1;
+ amc->hw_strap2 = 0;
+ amc->fmc_model = "n25q256a";
+ amc->spi_model = "mx25l25635e";
+ amc->num_cs = 2;
+ amc->i2c_init = tiogapass_bmc_i2c_init;
+ mc->default_ram_size = 1 * GiB;
+ mc->default_cpus = mc->min_cpus = mc->max_cpus =
+ aspeed_soc_num_cpus(amc->soc_name);
+ aspeed_soc_num_cpus(amc->soc_name);
+};
+
static void aspeed_machine_sonorapass_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
.name = MACHINE_TYPE_NAME("ast2600-evb"),
.parent = TYPE_ASPEED_MACHINE,
.class_init = aspeed_machine_ast2600_evb_class_init,
+ }, {
+ .name = MACHINE_TYPE_NAME("yosemitev2-bmc"),
+ .parent = TYPE_ASPEED_MACHINE,
+ .class_init = aspeed_machine_yosemitev2_class_init,
}, {
.name = MACHINE_TYPE_NAME("tacoma-bmc"),
.parent = TYPE_ASPEED_MACHINE,
.class_init = aspeed_machine_tacoma_class_init,
+ }, {
+ .name = MACHINE_TYPE_NAME("tiogapass-bmc"),
+ .parent = TYPE_ASPEED_MACHINE,
+ .class_init = aspeed_machine_tiogapass_class_init,
}, {
.name = MACHINE_TYPE_NAME("g220a-bmc"),
.parent = TYPE_ASPEED_MACHINE,
#define ASPEED_SOC_DPMCU_SIZE 0x00040000
static const hwaddr aspeed_soc_ast2600_memmap[] = {
+ [ASPEED_DEV_SPI_BOOT] = ASPEED_SOC_SPI_BOOT_ADDR,
[ASPEED_DEV_SRAM] = 0x10000000,
[ASPEED_DEV_DPMCU] = 0x18000000,
/* 0x16000000 0x17FFFFFF : AHB BUS do LPC Bus bridge */
qemu_irq irq;
g_autofree char *sram_name = NULL;
+ /* Default boot region (SPI memory or ROMs) */
+ memory_region_init(&s->spi_boot_container, OBJECT(s),
+ "aspeed.spi_boot_container", 0x10000000);
+ memory_region_add_subregion(s->memory, sc->memmap[ASPEED_DEV_SPI_BOOT],
+ &s->spi_boot_container);
+
/* IO space */
aspeed_mmio_map_unimplemented(s, SYS_BUS_DEVICE(&s->iomem), "aspeed.io",
sc->memmap[ASPEED_DEV_IOMEM],
sysbus_connect_irq(SYS_BUS_DEVICE(&s->fmc), 0,
aspeed_soc_get_irq(s, ASPEED_DEV_FMC));
+ /* Set up an alias on the FMC CE0 region (boot default) */
+ MemoryRegion *fmc0_mmio = &s->fmc.flashes[0].mmio;
+ memory_region_init_alias(&s->spi_boot, OBJECT(s), "aspeed.spi_boot",
+ fmc0_mmio, 0, memory_region_size(fmc0_mmio));
+ memory_region_add_subregion(&s->spi_boot_container, 0x0, &s->spi_boot);
+
/* SPI */
for (i = 0; i < sc->spis_num; i++) {
object_property_set_link(OBJECT(&s->spi[i]), "dram",
#include "aspeed_eeprom.h"
+/* Tiogapass BMC FRU */
+const uint8_t tiogapass_bmc_fruid[] = {
+ 0x01, 0x00, 0x00, 0x01, 0x0d, 0x00, 0x00, 0xf1, 0x01, 0x0c, 0x00, 0x36,
+ 0xe6, 0xd0, 0xc6, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xd2, 0x42, 0x4d,
+ 0x43, 0x20, 0x53, 0x74, 0x6f, 0x72, 0x61, 0x67, 0x65, 0x20, 0x4d, 0x6f,
+ 0x64, 0x75, 0x6c, 0x65, 0xcd, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58,
+ 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xce, 0x58, 0x58, 0x58, 0x58, 0x58,
+ 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xc3, 0x31, 0x2e,
+ 0x30, 0xc9, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xd2,
+ 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58,
+ 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xc1, 0x39, 0x01, 0x0c, 0x00, 0xc6,
+ 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xd2, 0x54, 0x69, 0x6f, 0x67, 0x61,
+ 0x20, 0x50, 0x61, 0x73, 0x73, 0x20, 0x53, 0x69, 0x6e, 0x67, 0x6c, 0x65,
+ 0x32, 0xce, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58,
+ 0x58, 0x58, 0x58, 0x58, 0xc4, 0x58, 0x58, 0x58, 0x32, 0xcd, 0x58, 0x58,
+ 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xc7,
+ 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xc3, 0x31, 0x2e, 0x30, 0xc9,
+ 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xc8, 0x43, 0x6f,
+ 0x6e, 0x66, 0x69, 0x67, 0x20, 0x41, 0xc1, 0x45,
+};
+
const uint8_t fby35_nic_fruid[] = {
0x01, 0x00, 0x00, 0x01, 0x0f, 0x20, 0x00, 0xcf, 0x01, 0x0e, 0x19, 0xd7,
0x5e, 0xcf, 0xc8, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xdd,
0x6e, 0x66, 0x69, 0x67, 0x20, 0x41, 0xc1, 0x45,
};
+/* Yosemite V2 BMC FRU */
+const uint8_t yosemitev2_bmc_fruid[] = {
+ 0x01, 0x00, 0x00, 0x01, 0x0d, 0x00, 0x00, 0xf1, 0x01, 0x0c, 0x00, 0x36,
+ 0xe6, 0xd0, 0xc6, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xd2, 0x42, 0x4d,
+ 0x43, 0x20, 0x53, 0x74, 0x6f, 0x72, 0x61, 0x67, 0x65, 0x20, 0x4d, 0x6f,
+ 0x64, 0x75, 0x6c, 0x65, 0xcd, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58,
+ 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xce, 0x58, 0x58, 0x58, 0x58, 0x58,
+ 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xc3, 0x31, 0x2e,
+ 0x30, 0xc9, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xd2,
+ 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58,
+ 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xc1, 0x39, 0x01, 0x0c, 0x00, 0xc6,
+ 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xd2, 0x59, 0x6f, 0x73, 0x65, 0x6d,
+ 0x69, 0x74, 0x65, 0x20, 0x56, 0x32, 0x2e, 0x30, 0x20, 0x45, 0x56, 0x54,
+ 0x32, 0xce, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58,
+ 0x58, 0x58, 0x58, 0x58, 0xc4, 0x45, 0x56, 0x54, 0x32, 0xcd, 0x58, 0x58,
+ 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xc7,
+ 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xc3, 0x31, 0x2e, 0x30, 0xc9,
+ 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xc8, 0x43, 0x6f,
+ 0x6e, 0x66, 0x69, 0x67, 0x20, 0x41, 0xc1, 0x45,
+};
+
+const size_t tiogapass_bmc_fruid_len = sizeof(tiogapass_bmc_fruid);
const size_t fby35_nic_fruid_len = sizeof(fby35_nic_fruid);
const size_t fby35_bb_fruid_len = sizeof(fby35_bb_fruid);
const size_t fby35_bmc_fruid_len = sizeof(fby35_bmc_fruid);
+
+const size_t yosemitev2_bmc_fruid_len = sizeof(yosemitev2_bmc_fruid);
#include "qemu/osdep.h"
+extern const uint8_t tiogapass_bmc_fruid[];
+extern const size_t tiogapass_bmc_fruid_len;
+
extern const uint8_t fby35_nic_fruid[];
extern const uint8_t fby35_bb_fruid[];
extern const uint8_t fby35_bmc_fruid[];
extern const size_t fby35_bb_fruid_len;
extern const size_t fby35_bmc_fruid_len;
+extern const uint8_t yosemitev2_bmc_fruid[];
+extern const size_t yosemitev2_bmc_fruid_len;
+
#endif
#define ASPEED_SOC_IOMEM_SIZE 0x00200000
static const hwaddr aspeed_soc_ast2400_memmap[] = {
+ [ASPEED_DEV_SPI_BOOT] = ASPEED_SOC_SPI_BOOT_ADDR,
[ASPEED_DEV_IOMEM] = 0x1E600000,
[ASPEED_DEV_FMC] = 0x1E620000,
[ASPEED_DEV_SPI1] = 0x1E630000,
};
static const hwaddr aspeed_soc_ast2500_memmap[] = {
+ [ASPEED_DEV_SPI_BOOT] = ASPEED_SOC_SPI_BOOT_ADDR,
[ASPEED_DEV_IOMEM] = 0x1E600000,
[ASPEED_DEV_FMC] = 0x1E620000,
[ASPEED_DEV_SPI1] = 0x1E630000,
Error *err = NULL;
g_autofree char *sram_name = NULL;
+ /* Default boot region (SPI memory or ROMs) */
+ memory_region_init(&s->spi_boot_container, OBJECT(s),
+ "aspeed.spi_boot_container", 0x10000000);
+ memory_region_add_subregion(s->memory, sc->memmap[ASPEED_DEV_SPI_BOOT],
+ &s->spi_boot_container);
+
/* IO space */
aspeed_mmio_map_unimplemented(s, SYS_BUS_DEVICE(&s->iomem), "aspeed.io",
sc->memmap[ASPEED_DEV_IOMEM],
sysbus_connect_irq(SYS_BUS_DEVICE(&s->fmc), 0,
aspeed_soc_get_irq(s, ASPEED_DEV_FMC));
+ /* Set up an alias on the FMC CE0 region (boot default) */
+ MemoryRegion *fmc0_mmio = &s->fmc.flashes[0].mmio;
+ memory_region_init_alias(&s->spi_boot, OBJECT(s), "aspeed.spi_boot",
+ fmc0_mmio, 0, memory_region_size(fmc0_mmio));
+ memory_region_add_subregion(&s->spi_boot_container, 0x0, &s->spi_boot);
+
/* SPI */
for (i = 0; i < sc->spis_num; i++) {
if (!sysbus_realize(SYS_BUS_DEVICE(&s->spi[i]), errp)) {
MemoryRegion *boot_rom = g_new(MemoryRegion, 1);
uint64_t size = memory_region_size(&fl->mmio);
- if (s->mmio_exec) {
- memory_region_init_alias(boot_rom, NULL, "aspeed.boot_rom",
- &fl->mmio, 0, size);
- memory_region_add_subregion(&s->bmc_memory, FBY35_BMC_FIRMWARE_ADDR,
- boot_rom);
- } else {
-
+ if (!s->mmio_exec) {
memory_region_init_rom(boot_rom, NULL, "aspeed.boot_rom",
size, &error_abort);
memory_region_add_subregion(&s->bmc_memory, FBY35_BMC_FIRMWARE_ADDR,
}
SHARED_ARRAY_FIELD_DP32(bus->regs, reg_cmd, M_STOP_CMD, 0);
aspeed_i2c_set_state(bus, I2CD_IDLE);
+
+ i2c_schedule_pending_master(bus->bus);
}
if (aspeed_i2c_bus_pkt_mode_en(bus)) {
void i2c_bus_master(I2CBus *bus, QEMUBH *bh)
{
- if (i2c_bus_busy(bus)) {
- I2CPendingMaster *node = g_new(struct I2CPendingMaster, 1);
- node->bh = bh;
+ I2CPendingMaster *node = g_new(struct I2CPendingMaster, 1);
+ node->bh = bh;
+
+ QSIMPLEQ_INSERT_TAIL(&bus->pending_masters, node, entry);
+}
+
+void i2c_schedule_pending_master(I2CBus *bus)
+{
+ I2CPendingMaster *node;
- QSIMPLEQ_INSERT_TAIL(&bus->pending_masters, node, entry);
+ if (i2c_bus_busy(bus)) {
+ /* someone is already controlling the bus; wait for it to release it */
+ return;
+ }
+ if (QSIMPLEQ_EMPTY(&bus->pending_masters)) {
return;
}
- bus->bh = bh;
+ node = QSIMPLEQ_FIRST(&bus->pending_masters);
+ bus->bh = node->bh;
+
+ QSIMPLEQ_REMOVE_HEAD(&bus->pending_masters, entry);
+ g_free(node);
+
qemu_bh_schedule(bus->bh);
}
void i2c_bus_release(I2CBus *bus)
{
bus->bh = NULL;
+
+ i2c_schedule_pending_master(bus);
}
int i2c_start_recv(I2CBus *bus, uint8_t address)
g_free(node);
}
bus->broadcast = false;
-
- if (!QSIMPLEQ_EMPTY(&bus->pending_masters)) {
- I2CPendingMaster *node = QSIMPLEQ_FIRST(&bus->pending_masters);
- bus->bh = node->bh;
-
- QSIMPLEQ_REMOVE_HEAD(&bus->pending_masters, entry);
- g_free(node);
-
- qemu_bh_schedule(bus->bh);
- }
}
int i2c_send(I2CBus *bus, uint8_t data)
--- /dev/null
+#include "qemu/osdep.h"
+#include "qemu/timer.h"
+#include "qemu/main-loop.h"
+#include "block/aio.h"
+#include "hw/i2c/i2c.h"
+
+#define TYPE_I2C_ECHO "i2c-echo"
+OBJECT_DECLARE_SIMPLE_TYPE(I2CEchoState, I2C_ECHO)
+
+enum i2c_echo_state {
+ I2C_ECHO_STATE_IDLE,
+ I2C_ECHO_STATE_START_SEND,
+ I2C_ECHO_STATE_ACK,
+};
+
+typedef struct I2CEchoState {
+ I2CSlave parent_obj;
+
+ I2CBus *bus;
+
+ enum i2c_echo_state state;
+ QEMUBH *bh;
+
+ unsigned int pos;
+ uint8_t data[3];
+} I2CEchoState;
+
+static void i2c_echo_bh(void *opaque)
+{
+ I2CEchoState *state = opaque;
+
+ switch (state->state) {
+ case I2C_ECHO_STATE_IDLE:
+ return;
+
+ case I2C_ECHO_STATE_START_SEND:
+ if (i2c_start_send_async(state->bus, state->data[0])) {
+ goto release_bus;
+ }
+
+ state->pos++;
+ state->state = I2C_ECHO_STATE_ACK;
+ return;
+
+ case I2C_ECHO_STATE_ACK:
+ if (state->pos > 2) {
+ break;
+ }
+
+ if (i2c_send_async(state->bus, state->data[state->pos++])) {
+ break;
+ }
+
+ return;
+ }
+
+
+ i2c_end_transfer(state->bus);
+release_bus:
+ i2c_bus_release(state->bus);
+
+ state->state = I2C_ECHO_STATE_IDLE;
+}
+
+static int i2c_echo_event(I2CSlave *s, enum i2c_event event)
+{
+ I2CEchoState *state = I2C_ECHO(s);
+
+ switch (event) {
+ case I2C_START_RECV:
+ state->pos = 0;
+
+ break;
+
+ case I2C_START_SEND:
+ state->pos = 0;
+
+ break;
+
+ case I2C_FINISH:
+ state->pos = 0;
+ state->state = I2C_ECHO_STATE_START_SEND;
+ i2c_bus_master(state->bus, state->bh);
+
+ break;
+
+ case I2C_NACK:
+ break;
+
+ default:
+ return -1;
+ }
+
+ return 0;
+}
+
+static uint8_t i2c_echo_recv(I2CSlave *s)
+{
+ I2CEchoState *state = I2C_ECHO(s);
+
+ if (state->pos > 2) {
+ return 0xff;
+ }
+
+ return state->data[state->pos++];
+}
+
+static int i2c_echo_send(I2CSlave *s, uint8_t data)
+{
+ I2CEchoState *state = I2C_ECHO(s);
+
+ if (state->pos > 2) {
+ return -1;
+ }
+
+ state->data[state->pos++] = data;
+
+ return 0;
+}
+
+static void i2c_echo_realize(DeviceState *dev, Error **errp)
+{
+ I2CEchoState *state = I2C_ECHO(dev);
+ BusState *bus = qdev_get_parent_bus(dev);
+
+ state->bus = I2C_BUS(bus);
+ state->bh = qemu_bh_new(i2c_echo_bh, state);
+
+ return;
+}
+
+static void i2c_echo_class_init(ObjectClass *oc, void *data)
+{
+ I2CSlaveClass *sc = I2C_SLAVE_CLASS(oc);
+ DeviceClass *dc = DEVICE_CLASS(oc);
+
+ dc->realize = i2c_echo_realize;
+
+ sc->event = i2c_echo_event;
+ sc->recv = i2c_echo_recv;
+ sc->send = i2c_echo_send;
+}
+
+static const TypeInfo i2c_echo = {
+ .name = TYPE_I2C_ECHO,
+ .parent = TYPE_I2C_SLAVE,
+ .instance_size = sizeof(I2CEchoState),
+ .class_init = i2c_echo_class_init,
+};
+
+static void register_types(void)
+{
+ type_register_static(&i2c_echo);
+}
+
+type_init(register_types);
softmmu_ss.add(when: 'CONFIG_GRLIB', if_true: files('grlib_ahb_apb_pnp.c'))
+softmmu_ss.add(when: 'CONFIG_I2C', if_true: files('i2c-echo.c'))
+
specific_ss.add(when: 'CONFIG_AVR_POWER', if_true: files('avr_power.c'))
specific_ss.add(when: 'CONFIG_MAC_VIA', if_true: files('mac_via.c'))
uint16_t cur;
/* total size in bytes */
uint32_t rsize;
+ /*
+ * address byte number
+ * for 24c01, 24c02 size <= 256 byte, use only 1 byte
+ * otherwise size > 256, use 2 byte
+ */
+ uint8_t asize;
+
bool writable;
/* cells changed since last START? */
bool changed;
EEPROMState *ee = AT24C_EE(s);
uint8_t ret;
- if (ee->haveaddr == 1) {
+ /*
+ * If got the byte address but not completely with address size
+ * will return the invalid value
+ */
+ if (ee->haveaddr > 0 && ee->haveaddr < ee->asize) {
return 0xff;
}
{
EEPROMState *ee = AT24C_EE(s);
- if (ee->haveaddr < 2) {
+ if (ee->haveaddr < ee->asize) {
ee->cur <<= 8;
ee->cur |= data;
ee->haveaddr++;
- if (ee->haveaddr == 2) {
+ if (ee->haveaddr == ee->asize) {
ee->cur %= ee->rsize;
DPRINTK("Set pointer %04x\n", ee->cur);
}
}
DPRINTK("Reset read backing file\n");
}
+
+ /*
+ * If address size didn't define with property set
+ * value is 0 as default, setting it by Rom size detecting.
+ */
+ if (ee->asize == 0) {
+ if (ee->rsize <= 256) {
+ ee->asize = 1;
+ } else {
+ ee->asize = 2;
+ }
+ }
}
static
static Property at24c_eeprom_props[] = {
DEFINE_PROP_UINT32("rom-size", EEPROMState, rsize, 0),
+ DEFINE_PROP_UINT8("address-size", EEPROMState, asize, 0),
DEFINE_PROP_BOOL("writable", EEPROMState, writable, true),
DEFINE_PROP_DRIVE("drive", EEPROMState, blk),
DEFINE_PROP_END_OF_LIST()
/* Setup cs_lines for peripherals */
s->cs_lines = g_new0(qemu_irq, asc->cs_num_max);
-
- for (i = 0; i < asc->cs_num_max; ++i) {
- sysbus_init_irq(sbd, &s->cs_lines[i]);
- }
+ qdev_init_gpio_out_named(DEVICE(s), s->cs_lines, "cs", asc->cs_num_max);
/* The memory region for the controller registers */
memory_region_init_io(&s->mmio, OBJECT(s), &aspeed_smc_ops, s,
MemoryRegion *dram_mr;
MemoryRegion dram_container;
MemoryRegion sram;
+ MemoryRegion spi_boot_container;
+ MemoryRegion spi_boot;
AspeedVICState vic;
AspeedRtcState rtc;
AspeedTimerCtrlState timerctrl;
enum {
+ ASPEED_DEV_SPI_BOOT,
ASPEED_DEV_IOMEM,
ASPEED_DEV_UART1,
ASPEED_DEV_UART2,
ASPEED_DEV_JTAG1,
};
+#define ASPEED_SOC_SPI_BOOT_ADDR 0x0
+
qemu_irq aspeed_soc_get_irq(AspeedSoCState *s, int dev);
bool aspeed_soc_uart_realize(AspeedSoCState *s, Error **errp);
void aspeed_soc_uart_set_chr(AspeedSoCState *s, int dev, Chardev *chr);
*/
int i2c_start_send_async(I2CBus *bus, uint8_t address);
+void i2c_schedule_pending_master(I2CBus *bus);
+
void i2c_end_transfer(I2CBus *bus);
void i2c_nack(I2CBus *bus);
void i2c_ack(I2CBus *bus);
'tmp105,bus=aspeed.i2c.bus.3,address=0x4d,id=tmp-test');
self.vm.add_args('-device',
'ds1338,bus=aspeed.i2c.bus.3,address=0x32');
+ self.vm.add_args('-device',
+ 'i2c-echo,bus=aspeed.i2c.bus.3,address=0x42');
self.do_test_arm_aspeed_buildroot_start(image_path, '0xf00')
exec_command_and_wait_for_pattern(self,
year = time.strftime("%Y")
exec_command_and_wait_for_pattern(self, 'hwclock -f /dev/rtc1', year);
+ exec_command_and_wait_for_pattern(self,
+ 'echo slave-24c02 0x1064 > /sys/bus/i2c/devices/i2c-3/new_device',
+ 'i2c i2c-3: new_device: Instantiated device slave-24c02 at 0x64');
+ exec_command(self, 'i2cset -y 3 0x42 0x64 0x00 0xaa i');
+ time.sleep(0.1)
+ exec_command_and_wait_for_pattern(self,
+ 'hexdump /sys/bus/i2c/devices/3-1064/slave-eeprom',
+ '0000000 ffaa ffff ffff ffff ffff ffff ffff ffff');
self.do_test_arm_aspeed_buildroot_poweroff()
projects / mirror_qemu.git / commitdiff