Commit 62c2c2eb authored by Cédric Le Goater's avatar Cédric Le Goater Committed by Peter Maydell
Browse files

aspeed: add support for the witherspoon-bmc board 



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: default avatarCédric Le Goater <clg@kaod.org>
Reviewed-by: default avatarAndrew Jeffery <andrew@aj.id.au>
Message-id: 20180530064049.27976-3-clg@kaod.org
Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
parent 72ee64b6

hw/arm/aspeed.c

+49 −0
Original line number Diff line number Diff line
@@ -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)