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[PATCH v2 2/2] aspeed: Add support for the g220a-bmc board


From: John Wang
Subject: [PATCH v2 2/2] aspeed: Add support for the g220a-bmc board
Date: Thu, 8 Oct 2020 09:02:44 +0000

G220A is a 2 socket x86 motherboard supported by OpenBMC.
Strapping configuration was obtained from hardware.

Signed-off-by: John Wang <wangzhiqiang.bj@bytedance.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Joel Stanley <joel@jms.id.au>
---
v2:
  - No changes
---
 hw/arm/aspeed.c | 60 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)

diff --git a/hw/arm/aspeed.c b/hw/arm/aspeed.c
index bdb981d2f8..04c8ad2bcd 100644
--- a/hw/arm/aspeed.c
+++ b/hw/arm/aspeed.c
@@ -120,6 +120,20 @@ struct AspeedMachineState {
         SCU_AST2500_HW_STRAP_ACPI_ENABLE |                              \
         SCU_HW_STRAP_SPI_MODE(SCU_HW_STRAP_SPI_MASTER))
 
+#define G220A_BMC_HW_STRAP1 (                                      \
+        SCU_AST2500_HW_STRAP_SPI_AUTOFETCH_ENABLE |                     \
+        SCU_AST2500_HW_STRAP_GPIO_STRAP_ENABLE |                        \
+        SCU_AST2500_HW_STRAP_UART_DEBUG |                               \
+        SCU_AST2500_HW_STRAP_RESERVED28 |                               \
+        SCU_AST2500_HW_STRAP_DDR4_ENABLE |                              \
+        SCU_HW_STRAP_2ND_BOOT_WDT |                                     \
+        SCU_HW_STRAP_VGA_CLASS_CODE |                                   \
+        SCU_HW_STRAP_LPC_RESET_PIN |                                    \
+        SCU_HW_STRAP_SPI_MODE(SCU_HW_STRAP_SPI_MASTER) |                \
+        SCU_AST2500_HW_STRAP_SET_AXI_AHB_RATIO(AXI_AHB_RATIO_2_1) |     \
+        SCU_HW_STRAP_VGA_SIZE_SET(VGA_64M_DRAM) |                       \
+        SCU_AST2500_HW_STRAP_RESERVED1)
+
 /* Witherspoon hardware value: 0xF10AD216 (but use romulus definition) */
 #define WITHERSPOON_BMC_HW_STRAP1 ROMULUS_BMC_HW_STRAP1
 
@@ -559,6 +573,30 @@ static void witherspoon_bmc_i2c_init(AspeedMachineState 
*bmc)
     /* Bus 11: TODO ucd90160@64 */
 }
 
+static void g220a_bmc_i2c_init(AspeedMachineState *bmc)
+{
+    AspeedSoCState *soc = &bmc->soc;
+    DeviceState *dev;
+
+    dev = DEVICE(i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 3),
+                                         "emc1413", 0x4c));
+    object_property_set_int(OBJECT(dev), "temperature0", 31000, &error_abort);
+    object_property_set_int(OBJECT(dev), "temperature1", 28000, &error_abort);
+    object_property_set_int(OBJECT(dev), "temperature2", 20000, &error_abort);
+
+    dev = DEVICE(i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 12),
+                                         "emc1413", 0x4c));
+    object_property_set_int(OBJECT(dev), "temperature0", 31000, &error_abort);
+    object_property_set_int(OBJECT(dev), "temperature1", 28000, &error_abort);
+    object_property_set_int(OBJECT(dev), "temperature2", 20000, &error_abort);
+
+    dev = DEVICE(i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 13),
+                                         "emc1413", 0x4c));
+    object_property_set_int(OBJECT(dev), "temperature0", 31000, &error_abort);
+    object_property_set_int(OBJECT(dev), "temperature1", 28000, &error_abort);
+    object_property_set_int(OBJECT(dev), "temperature2", 20000, &error_abort);
+}
+
 static bool aspeed_get_mmio_exec(Object *obj, Error **errp)
 {
     return ASPEED_MACHINE(obj)->mmio_exec;
@@ -798,6 +836,24 @@ static void aspeed_machine_tacoma_class_init(ObjectClass 
*oc, void *data)
         aspeed_soc_num_cpus(amc->soc_name);
 };
 
+static void aspeed_machine_g220a_class_init(ObjectClass *oc, void *data)
+{
+    MachineClass *mc = MACHINE_CLASS(oc);
+    AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);
+
+    mc->desc       = "Bytedance G220A BMC (ARM1176)";
+    amc->soc_name  = "ast2500-a1";
+    amc->hw_strap1 = G220A_BMC_HW_STRAP1;
+    amc->fmc_model = "n25q512a";
+    amc->spi_model = "mx25l25635e";
+    amc->num_cs    = 2;
+    amc->macs_mask  = ASPEED_MAC1_ON | ASPEED_MAC2_ON;
+    amc->i2c_init  = g220a_bmc_i2c_init;
+    mc->default_ram_size = 1024 * MiB;
+    mc->default_cpus = mc->min_cpus = mc->max_cpus =
+        aspeed_soc_num_cpus(amc->soc_name);
+};
+
 static const TypeInfo aspeed_machine_types[] = {
     {
         .name          = MACHINE_TYPE_NAME("palmetto-bmc"),
@@ -835,6 +891,10 @@ static const TypeInfo aspeed_machine_types[] = {
         .name          = MACHINE_TYPE_NAME("tacoma-bmc"),
         .parent        = TYPE_ASPEED_MACHINE,
         .class_init    = aspeed_machine_tacoma_class_init,
+    }, {
+        .name          = MACHINE_TYPE_NAME("g220a-bmc"),
+        .parent        = TYPE_ASPEED_MACHINE,
+        .class_init    = aspeed_machine_g220a_class_init,
     }, {
         .name          = TYPE_ASPEED_MACHINE,
         .parent        = TYPE_MACHINE,
-- 
2.17.1




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