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aspeed: add support for the witherspoon-bmc board

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The Witherspoon boards are OpenPOWER system hosting POWER9 Processors.
Add support for their BMC including a couple of I2C devices as found
on real HW.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Message-id: 20180530064049.27976-3-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Cédric Le Goater 2018-06-08 13:15:32 +01:00 committed by Peter Maydell
parent 72ee64b6a7
commit 62c2c2ebde
1 changed files with 49 additions and 0 deletions
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49
hw/arm/aspeed.c
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@ -45,6 +45,7 @@ enum {
PALMETTO_BMC,
AST2500_EVB,
ROMULUS_BMC,
WITHERSPOON_BMC,
};
/* Palmetto hardware value: 0x120CE416 */
@ -82,8 +83,12 @@ enum {
SCU_AST2500_HW_STRAP_ACPI_ENABLE | \
SCU_HW_STRAP_SPI_MODE(SCU_HW_STRAP_SPI_MASTER))
/* Witherspoon hardware value: 0xF10AD216 (but use romulus definition) */
#define WITHERSPOON_BMC_HW_STRAP1 ROMULUS_BMC_HW_STRAP1
static void palmetto_bmc_i2c_init(AspeedBoardState *bmc);
static void ast2500_evb_i2c_init(AspeedBoardState *bmc);
static void witherspoon_bmc_i2c_init(AspeedBoardState *bmc);
static const AspeedBoardConfig aspeed_boards[] = {
[PALMETTO_BMC] = {
@ -109,6 +114,14 @@ static const AspeedBoardConfig aspeed_boards[] = {
.spi_model = "mx66l1g45g",
.num_cs = 2,
},
[WITHERSPOON_BMC] = {
.soc_name = "ast2500-a1",
.hw_strap1 = WITHERSPOON_BMC_HW_STRAP1,
.fmc_model = "mx25l25635e",
.spi_model = "mx66l1g45g",
.num_cs = 2,
.i2c_init = witherspoon_bmc_i2c_init,
},
};
#define FIRMWARE_ADDR 0x0
@ -342,11 +355,47 @@ static const TypeInfo romulus_bmc_type = {
.class_init = romulus_bmc_class_init,
};
static void witherspoon_bmc_i2c_init(AspeedBoardState *bmc)
{
AspeedSoCState *soc = &bmc->soc;
i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 4), "tmp423", 0x4c);
i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 5), "tmp423", 0x4c);
/* The Witherspoon expects a TMP275 but a TMP105 is compatible */
i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 9), "tmp105", 0x4a);
}
static void witherspoon_bmc_init(MachineState *machine)
{
aspeed_board_init(machine, &aspeed_boards[WITHERSPOON_BMC]);
}
static void witherspoon_bmc_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
mc->desc = "OpenPOWER Witherspoon BMC (ARM1176)";
mc->init = witherspoon_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 witherspoon_bmc_type = {
.name = MACHINE_TYPE_NAME("witherspoon-bmc"),
.parent = TYPE_MACHINE,
.class_init = witherspoon_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_register_static(&witherspoon_bmc_type);
}
type_init(aspeed_machine_init)