From: Cédric Le Goater <c...@kaod.org>
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 <c...@kaod.org>
Message-id: 1494827476-1487-5-git-send-email-...@kaod.org
Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
Reviewed-by: Peter Maydell <peter.mayd...@linaro.org>
---
hw/arm/aspeed.c | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/hw/arm/aspeed.c b/hw/arm/aspeed.c
index 283c038..e824ea8 100644
--- a/hw/arm/aspeed.c
+++ b/hw/arm/aspeed.c
@@ -39,6 +39,7 @@ typedef struct AspeedBoardConfig {
const char *fmc_model;
const char *spi_model;
uint32_t num_cs;
+ void (*i2c_init)(AspeedBoardState *bmc);
} AspeedBoardConfig;
enum {
@@ -82,6 +83,9 @@ enum {
SCU_AST2500_HW_STRAP_ACPI_ENABLE | \
SCU_HW_STRAP_SPI_MODE(SCU_HW_STRAP_SPI_MASTER))
+static void palmetto_bmc_i2c_init(AspeedBoardState *bmc);
+static void ast2500_evb_i2c_init(AspeedBoardState *bmc);
+
static const AspeedBoardConfig aspeed_boards[] = {
[PALMETTO_BMC] = {
.soc_name = "ast2400-a1",
@@ -89,6 +93,7 @@ static const AspeedBoardConfig aspeed_boards[] = {
.fmc_model = "n25q256a",
.spi_model = "mx25l25635e",
.num_cs = 1,
+ .i2c_init = palmetto_bmc_i2c_init,
},
[AST2500_EVB] = {
.soc_name = "ast2500-a1",
@@ -96,6 +101,7 @@ static const AspeedBoardConfig aspeed_boards[] = {
.fmc_model = "n25q256a",
.spi_model = "mx25l25635e",
.num_cs = 1,
+ .i2c_init = ast2500_evb_i2c_init,
},
[ROMULUS_BMC] = {
.soc_name = "ast2500-a1",
@@ -223,9 +229,22 @@ static void aspeed_board_init(MachineState *machine,
aspeed_board_binfo.ram_size = ram_size;
aspeed_board_binfo.loader_start = sc->info->sdram_base;
+ if (cfg->i2c_init) {
+ cfg->i2c_init(bmc);
+ }
+
arm_load_kernel(ARM_CPU(first_cpu), &aspeed_board_binfo);
}
+static void palmetto_bmc_i2c_init(AspeedBoardState *bmc)
+{
+ AspeedSoCState *soc = &bmc->soc;
+
+ /* The palmetto platform expects a ds3231 RTC but a ds1338 is
+ * enough to provide basic RTC features. Alarms will be missing */
+ i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 0), "ds1338", 0x68);
+}
+
static void palmetto_bmc_init(MachineState *machine)
{
aspeed_board_init(machine, &aspeed_boards[PALMETTO_BMC]);
@@ -250,6 +269,14 @@ static const TypeInfo palmetto_bmc_type = {
.class_init = palmetto_bmc_class_init,
};
+static void ast2500_evb_i2c_init(AspeedBoardState *bmc)
+{
+ AspeedSoCState *soc = &bmc->soc;
+
+ /* The AST2500 EVB expects a LM75 but a TMP105 is compatible */
+ i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 7), "tmp105", 0x4d);
+}
+
static void ast2500_evb_init(MachineState *machine)
{
aspeed_board_init(machine, &aspeed_boards[AST2500_EVB]);
--
2.7.4
