aspeed: Add support for the fp5280g2-bmc board

The fp5280g2-bmc is supported by OpenBMC, It's
based on the following device tree

https://github.com/openbmc/linux/blob/dev-5.10/arch/arm/boot/dts/aspeed-bmc-inspur-fp5280g2.dts

Signed-off-by: John Wang <wangzhiqiang02@inspur.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20211014064548.934799-1-wangzhiqiang02@inspur.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>

1 files changed, 74 insertions, 0 deletions

diff --git a/hw/arm/aspeed.c b/hw/arm/aspeed.c
index f5916e8..a77f46b 100644
--- a/hw/arm/aspeed.c
+++ b/hw/arm/aspeed.c
@@ -131,6 +131,21 @@ struct AspeedMachineState {
         SCU_HW_STRAP_VGA_SIZE_SET(VGA_64M_DRAM) |                       \
         SCU_AST2500_HW_STRAP_RESERVED1)
 
+/* FP5280G2 hardware value: 0XF100D286 */
+#define FP5280G2_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_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_MAC1_RGMII |                                       \
+        SCU_HW_STRAP_VGA_SIZE_SET(VGA_16M_DRAM) |                       \
+        SCU_AST2500_HW_STRAP_RESERVED1)
+
 /* Witherspoon hardware value: 0xF10AD216 (but use romulus definition) */
 #define WITHERSPOON_BMC_HW_STRAP1 ROMULUS_BMC_HW_STRAP1
 
@@ -430,6 +445,15 @@ static void aspeed_machine_init(MachineState *machine)
     arm_load_kernel(ARM_CPU(first_cpu), machine, &aspeed_board_binfo);
 }
 
+static void at24c_eeprom_init(I2CBus *bus, uint8_t addr, uint32_t rsize)
+{
+    I2CSlave *i2c_dev = i2c_slave_new("at24c-eeprom", addr);
+    DeviceState *dev = DEVICE(i2c_dev);
+
+    qdev_prop_set_uint32(dev, "rom-size", rsize);
+    i2c_slave_realize_and_unref(i2c_dev, bus, &error_abort);
+}
+
 static void palmetto_bmc_i2c_init(AspeedMachineState *bmc)
 {
     AspeedSoCState *soc = &bmc->soc;
@@ -689,6 +713,34 @@ static void aspeed_eeprom_init(I2CBus *bus, uint8_t addr, uint32_t rsize)
     i2c_slave_realize_and_unref(i2c_dev, bus, &error_abort);
 }
 
+static void fp5280g2_bmc_i2c_init(AspeedMachineState *bmc)
+{
+    AspeedSoCState *soc = &bmc->soc;
+    I2CSlave *i2c_mux;
+
+    /* The at24c256 */
+    at24c_eeprom_init(aspeed_i2c_get_bus(&soc->i2c, 1), 0x50, 32768);
+
+    /* The fp5280g2 expects a TMP112 but a TMP105 is compatible */
+    i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 2), TYPE_TMP105,
+                     0x48);
+    i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 2), TYPE_TMP105,
+                     0x49);
+
+    i2c_mux = i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 2),
+                     "pca9546", 0x70);
+    /* It expects a TMP112 but a TMP105 is compatible */
+    i2c_slave_create_simple(pca954x_i2c_get_bus(i2c_mux, 0), TYPE_TMP105,
+                     0x4a);
+
+    /* It expects a ds3232 but a ds1338 is good enough */
+    i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 4), "ds1338", 0x68);
+
+    /* It expects a pca9555 but a pca9552 is compatible */
+    i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 8), TYPE_PCA9552,
+                     0x20);
+}
+
 static void rainier_bmc_i2c_init(AspeedMachineState *bmc)
 {
     AspeedSoCState *soc = &bmc->soc;
@@ -1140,6 +1192,24 @@ static void aspeed_machine_g220a_class_init(ObjectClass *oc, void *data)
         aspeed_soc_num_cpus(amc->soc_name);
 };
 
+static void aspeed_machine_fp5280g2_class_init(ObjectClass *oc, void *data)
+{
+    MachineClass *mc = MACHINE_CLASS(oc);
+    AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);
+
+    mc->desc       = "Inspur FP5280G2 BMC (ARM1176)";
+    amc->soc_name  = "ast2500-a1";
+    amc->hw_strap1 = FP5280G2_BMC_HW_STRAP1;
+    amc->fmc_model = "n25q512a";
+    amc->spi_model = "mx25l25635e";
+    amc->num_cs    = 2;
+    amc->macs_mask  = ASPEED_MAC0_ON | ASPEED_MAC1_ON;
+    amc->i2c_init  = fp5280g2_bmc_i2c_init;
+    mc->default_ram_size = 512 * MiB;
+    mc->default_cpus = mc->min_cpus = mc->max_cpus =
+        aspeed_soc_num_cpus(amc->soc_name);
+};
+
 static void aspeed_machine_rainier_class_init(ObjectClass *oc, void *data)
 {
     MachineClass *mc = MACHINE_CLASS(oc);
@@ -1228,6 +1298,10 @@ static const TypeInfo aspeed_machine_types[] = {
         .parent        = TYPE_ASPEED_MACHINE,
         .class_init    = aspeed_machine_g220a_class_init,
     }, {
+        .name          = MACHINE_TYPE_NAME("fp5280g2-bmc"),
+        .parent        = TYPE_ASPEED_MACHINE,
+        .class_init    = aspeed_machine_fp5280g2_class_init,
+    }, {
         .name          = MACHINE_TYPE_NAME("quanta-q71l-bmc"),
         .parent        = TYPE_ASPEED_MACHINE,
         .class_init    = aspeed_machine_quanta_q71l_class_init,