[PATCH 5/5] aspeed: Add support for the tacoma-bmc board

[Cédric Le Goater]

The Tacoma BMC board is replacement board for the BMC of the OpenPOWER
Witherspoon system. It uses a AST2600 SoC instead of a AST2500 and is
used for HW bringup.

Signed-off-by: Cédric Le Goater <address@hidden>
---
 hw/arm/aspeed.c | 52 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)

diff --git a/hw/arm/aspeed.c b/hw/arm/aspeed.c
index e34e6787430b..729f2e79cd79 100644
--- a/hw/arm/aspeed.c
+++ b/hw/arm/aspeed.c
@@ -92,6 +92,10 @@ struct AspeedBoardState {
 #define AST2600_EVB_HW_STRAP1 0x000000C0
 #define AST2600_EVB_HW_STRAP2 0x00000003
 
+/* Tacoma hardware value */
+#define TACOMA_BMC_HW_STRAP1  0x00000000
+#define TACOMA_BMC_HW_STRAP2  0x00000000
+
 /*
  * The max ram region is for firmwares that scan the address space
  * with load/store to guess how much RAM the SoC has.
@@ -167,6 +171,34 @@ static void aspeed_board_init_flashes(AspeedSMCState *s, 
const char *flashtype,
     }
 }
 
+static void tacoma_bmc_i2c_init(AspeedBoardState *bmc)
+{
+    AspeedSoCState *soc = &bmc->soc;
+    uint8_t *eeprom_buf = g_malloc0(8 * 1024);
+
+    /* Bus 3: TODO bmp280@77 */
+    /* Bus 3: TODO max31785@52 */
+    /* Bus 3: TODO dps310@76 */
+    i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 3), "pca9552", 
0x60);
+
+    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 tacoma expects a TMP275 but a TMP105 is compatible */
+    i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 9), TYPE_TMP105,
+                     0x4a);
+
+    i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 11), "pca9552",
+                     0x60);
+    /* The tacoma expects Epson RX8900 RTC but a ds1338 is compatible */
+    i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 11), "ds1338",
+                     0x32);
+    smbus_eeprom_init_one(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 11), 0x51,
+                          eeprom_buf);
+    /* Bus 11: TODO ucd90160@64 */
+}
+
 static void aspeed_machine_init(MachineState *machine)
 {
     AspeedBoardState *bmc;
@@ -485,6 +517,22 @@ static void 
aspeed_machine_ast2600_evb_class_init(ObjectClass *oc, void *data)
     mc->default_ram_size = 1 * GiB;
 };
 
+static void aspeed_machine_tacoma_class_init(ObjectClass *oc, void *data)
+{
+    MachineClass *mc = MACHINE_CLASS(oc);
+    AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);
+
+    mc->desc       = "Aspeed AST2600 EVB (Cortex A7)";
+    amc->soc_name  = "ast2600-a0";
+    amc->hw_strap1 = TACOMA_BMC_HW_STRAP1;
+    amc->hw_strap2 = TACOMA_BMC_HW_STRAP2;
+    amc->fmc_model = "mx66l1g45g";
+    amc->spi_model = "mx66l1g45g";
+    amc->num_cs    = 2;
+    amc->i2c_init  = tacoma_bmc_i2c_init;
+    mc->default_ram_size = 1 * GiB;
+};
+
 static const TypeInfo aspeed_machine_types[] = {
     {
         .name          = MACHINE_TYPE_NAME("palmetto-bmc"),
@@ -510,6 +558,10 @@ static const TypeInfo aspeed_machine_types[] = {
         .name          = MACHINE_TYPE_NAME("ast2600-evb"),
         .parent        = TYPE_ASPEED_MACHINE,
         .class_init    = aspeed_machine_ast2600_evb_class_init,
+    }, {
+        .name          = MACHINE_TYPE_NAME("tacoma-bmc"),
+        .parent        = TYPE_ASPEED_MACHINE,
+        .class_init    = aspeed_machine_tacoma_class_init,
     }, {
         .name          = TYPE_ASPEED_MACHINE,
         .parent        = TYPE_MACHINE,
-- 
2.21.0