aspeed: add some I2C devices to the Aspeed machines
Let's add an RTC to the palmetto BMC and a LM75 temperature sensor to the AST2500 EVB to start with. Signed-off-by: Cédric Le Goater <clg@kaod.org> Message-id: 1494827476-1487-5-git-send-email-clg@kaod.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
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@ -39,6 +39,7 @@ typedef struct AspeedBoardConfig {
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const char *fmc_model;
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const char *spi_model;
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uint32_t num_cs;
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void (*i2c_init)(AspeedBoardState *bmc);
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} AspeedBoardConfig;
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enum {
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@ -82,6 +83,9 @@ enum {
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SCU_AST2500_HW_STRAP_ACPI_ENABLE | \
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SCU_HW_STRAP_SPI_MODE(SCU_HW_STRAP_SPI_MASTER))
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static void palmetto_bmc_i2c_init(AspeedBoardState *bmc);
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static void ast2500_evb_i2c_init(AspeedBoardState *bmc);
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static const AspeedBoardConfig aspeed_boards[] = {
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[PALMETTO_BMC] = {
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.soc_name = "ast2400-a1",
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@ -89,6 +93,7 @@ static const AspeedBoardConfig aspeed_boards[] = {
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.fmc_model = "n25q256a",
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.spi_model = "mx25l25635e",
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.num_cs = 1,
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.i2c_init = palmetto_bmc_i2c_init,
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},
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[AST2500_EVB] = {
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.soc_name = "ast2500-a1",
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@ -96,6 +101,7 @@ static const AspeedBoardConfig aspeed_boards[] = {
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.fmc_model = "n25q256a",
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.spi_model = "mx25l25635e",
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.num_cs = 1,
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.i2c_init = ast2500_evb_i2c_init,
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},
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[ROMULUS_BMC] = {
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.soc_name = "ast2500-a1",
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@ -223,9 +229,22 @@ static void aspeed_board_init(MachineState *machine,
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aspeed_board_binfo.ram_size = ram_size;
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aspeed_board_binfo.loader_start = sc->info->sdram_base;
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if (cfg->i2c_init) {
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cfg->i2c_init(bmc);
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}
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arm_load_kernel(ARM_CPU(first_cpu), &aspeed_board_binfo);
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}
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static void palmetto_bmc_i2c_init(AspeedBoardState *bmc)
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{
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AspeedSoCState *soc = &bmc->soc;
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/* The palmetto platform expects a ds3231 RTC but a ds1338 is
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* enough to provide basic RTC features. Alarms will be missing */
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i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 0), "ds1338", 0x68);
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}
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static void palmetto_bmc_init(MachineState *machine)
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{
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aspeed_board_init(machine, &aspeed_boards[PALMETTO_BMC]);
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@ -250,6 +269,14 @@ static const TypeInfo palmetto_bmc_type = {
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.class_init = palmetto_bmc_class_init,
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};
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static void ast2500_evb_i2c_init(AspeedBoardState *bmc)
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{
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AspeedSoCState *soc = &bmc->soc;
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/* The AST2500 EVB expects a LM75 but a TMP105 is compatible */
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i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 7), "tmp105", 0x4d);
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}
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static void ast2500_evb_init(MachineState *machine)
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{
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aspeed_board_init(machine, &aspeed_boards[AST2500_EVB]);
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