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-rw-r--r--hw/arm/aspeed.c111
1 files changed, 107 insertions, 4 deletions
diff --git a/hw/arm/aspeed.c b/hw/arm/aspeed.c
index c7206fda6d..a92c2f1c36 100644
--- a/hw/arm/aspeed.c
+++ b/hw/arm/aspeed.c
@@ -20,6 +20,8 @@
#include "qemu/log.h"
#include "sysemu/block-backend.h"
#include "sysemu/blockdev.h"
+#include "hw/loader.h"
+#include "qemu/error-report.h"
static struct arm_boot_info aspeed_board_binfo = {
.board_id = -1, /* device-tree-only board */
@@ -34,13 +36,18 @@ typedef struct AspeedBoardState {
typedef struct AspeedBoardConfig {
const char *soc_name;
uint32_t hw_strap1;
+ const char *fmc_model;
+ const char *spi_model;
+ uint32_t num_cs;
} AspeedBoardConfig;
enum {
PALMETTO_BMC,
AST2500_EVB,
+ ROMULUS_BMC,
};
+/* Palmetto hardware value: 0x120CE416 */
#define PALMETTO_BMC_HW_STRAP1 ( \
SCU_AST2400_HW_STRAP_DRAM_SIZE(DRAM_SIZE_256MB) | \
SCU_AST2400_HW_STRAP_DRAM_CONFIG(2 /* DDR3 with CL=6, CWL=5 */) | \
@@ -54,6 +61,7 @@ enum {
SCU_HW_STRAP_VGA_SIZE_SET(VGA_16M_DRAM) | \
SCU_AST2400_HW_STRAP_BOOT_MODE(AST2400_SPI_BOOT))
+/* AST2500 evb hardware value: 0xF100C2E6 */
#define AST2500_EVB_HW_STRAP1 (( \
AST2500_HW_STRAP1_DEFAULTS | \
SCU_AST2500_HW_STRAP_SPI_AUTOFETCH_ENABLE | \
@@ -64,11 +72,62 @@ enum {
SCU_HW_STRAP_MAC0_RGMII) & \
~SCU_HW_STRAP_2ND_BOOT_WDT)
+/* Romulus hardware value: 0xF10AD206 */
+#define ROMULUS_BMC_HW_STRAP1 ( \
+ AST2500_HW_STRAP1_DEFAULTS | \
+ SCU_AST2500_HW_STRAP_SPI_AUTOFETCH_ENABLE | \
+ SCU_AST2500_HW_STRAP_GPIO_STRAP_ENABLE | \
+ SCU_AST2500_HW_STRAP_UART_DEBUG | \
+ SCU_AST2500_HW_STRAP_DDR4_ENABLE | \
+ SCU_AST2500_HW_STRAP_ACPI_ENABLE | \
+ SCU_HW_STRAP_SPI_MODE(SCU_HW_STRAP_SPI_MASTER))
+
static const AspeedBoardConfig aspeed_boards[] = {
- [PALMETTO_BMC] = { "ast2400-a0", PALMETTO_BMC_HW_STRAP1 },
- [AST2500_EVB] = { "ast2500-a1", AST2500_EVB_HW_STRAP1 },
+ [PALMETTO_BMC] = {
+ .soc_name = "ast2400-a1",
+ .hw_strap1 = PALMETTO_BMC_HW_STRAP1,
+ .fmc_model = "n25q256a",
+ .spi_model = "mx25l25635e",
+ .num_cs = 1,
+ },
+ [AST2500_EVB] = {
+ .soc_name = "ast2500-a1",
+ .hw_strap1 = AST2500_EVB_HW_STRAP1,
+ .fmc_model = "n25q256a",
+ .spi_model = "mx25l25635e",
+ .num_cs = 1,
+ },
+ [ROMULUS_BMC] = {
+ .soc_name = "ast2500-a1",
+ .hw_strap1 = ROMULUS_BMC_HW_STRAP1,
+ .fmc_model = "n25q256a",
+ .spi_model = "mx66l1g45g",
+ .num_cs = 2,
+ },
};
+#define FIRMWARE_ADDR 0x0
+
+static void write_boot_rom(DriveInfo *dinfo, hwaddr addr, size_t rom_size,
+ Error **errp)
+{
+ BlockBackend *blk = blk_by_legacy_dinfo(dinfo);
+ uint8_t *storage;
+
+ if (rom_size > blk_getlength(blk)) {
+ rom_size = blk_getlength(blk);
+ }
+
+ storage = g_new0(uint8_t, rom_size);
+ if (blk_pread(blk, 0, storage, rom_size) < 0) {
+ error_setg(errp, "failed to read the initial flash content");
+ return;
+ }
+
+ rom_add_blob_fixed("aspeed.boot_rom", storage, rom_size, addr);
+ g_free(storage);
+}
+
static void aspeed_board_init_flashes(AspeedSMCState *s, const char *flashtype,
Error **errp)
{
@@ -100,6 +159,7 @@ static void aspeed_board_init(MachineState *machine,
{
AspeedBoardState *bmc;
AspeedSoCClass *sc;
+ DriveInfo *drive0 = drive_get(IF_MTD, 0, 0);
bmc = g_new0(AspeedBoardState, 1);
object_initialize(&bmc->soc, (sizeof(bmc->soc)), cfg->soc_name);
@@ -112,6 +172,8 @@ static void aspeed_board_init(MachineState *machine,
&error_abort);
object_property_set_int(OBJECT(&bmc->soc), cfg->hw_strap1, "hw-strap1",
&error_abort);
+ object_property_set_int(OBJECT(&bmc->soc), cfg->num_cs, "num-cs",
+ &error_abort);
object_property_set_bool(OBJECT(&bmc->soc), true, "realized",
&error_abort);
@@ -128,8 +190,24 @@ static void aspeed_board_init(MachineState *machine,
object_property_add_const_link(OBJECT(&bmc->soc), "ram", OBJECT(&bmc->ram),
&error_abort);
- aspeed_board_init_flashes(&bmc->soc.fmc, "n25q256a", &error_abort);
- aspeed_board_init_flashes(&bmc->soc.spi[0], "mx25l25635e", &error_abort);
+ aspeed_board_init_flashes(&bmc->soc.fmc, cfg->fmc_model, &error_abort);
+ aspeed_board_init_flashes(&bmc->soc.spi[0], cfg->spi_model, &error_abort);
+
+ /* 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);
+
+ /*
+ * create a ROM region using the default mapping window size of
+ * the flash module.
+ */
+ memory_region_init_rom(boot_rom, OBJECT(bmc), "aspeed.boot_rom",
+ fl->size, &error_abort);
+ memory_region_add_subregion(get_system_memory(), FIRMWARE_ADDR,
+ boot_rom);
+ write_boot_rom(drive0, FIRMWARE_ADDR, fl->size, &error_abort);
+ }
aspeed_board_binfo.kernel_filename = machine->kernel_filename;
aspeed_board_binfo.initrd_filename = machine->initrd_filename;
@@ -188,10 +266,35 @@ static const TypeInfo ast2500_evb_type = {
.class_init = ast2500_evb_class_init,
};
+static void romulus_bmc_init(MachineState *machine)
+{
+ aspeed_board_init(machine, &aspeed_boards[ROMULUS_BMC]);
+}
+
+static void romulus_bmc_class_init(ObjectClass *oc, void *data)
+{
+ MachineClass *mc = MACHINE_CLASS(oc);
+
+ mc->desc = "OpenPOWER Romulus BMC (ARM1176)";
+ mc->init = romulus_bmc_init;
+ mc->max_cpus = 1;
+ mc->no_sdcard = 1;
+ mc->no_floppy = 1;
+ mc->no_cdrom = 1;
+ mc->no_parallel = 1;
+}
+
+static const TypeInfo romulus_bmc_type = {
+ .name = MACHINE_TYPE_NAME("romulus-bmc"),
+ .parent = TYPE_MACHINE,
+ .class_init = romulus_bmc_class_init,
+};
+
static void aspeed_machine_init(void)
{
type_register_static(&palmetto_bmc_type);
type_register_static(&ast2500_evb_type);
+ type_register_static(&romulus_bmc_type);
}
type_init(aspeed_machine_init)
generated by cgit v1.2.3 (git 2.26.2) at 2025-03-22 17:07:29 +0000