hw/i2c/aspeed: support to set the different memory size

According to the datasheet of ASPEED SOCs,
an I2C controller owns 8KB of register space for AST2700,
owns 4KB of register space for AST2600, AST2500 and AST2400,
and owns 64KB of register space for AST1030.

It set the memory region size 4KB by default and it does not compatible
register space for AST2700.

Introduce a new class attribute to set the I2C controller memory size
for different ASPEED SOCs.

Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>

diff --git a/hw/i2c/aspeed_i2c.c b/hw/i2c/aspeed_i2c.c
index b43afd250de4dda41361d96e0aba1d6707fcb030..7d5a53c4c01541d8963a3d35ee6ffdf5beea59b2 100644 (file)
--- a/hw/i2c/aspeed_i2c.c
+++ b/hw/i2c/aspeed_i2c.c
@@ -1014,7 +1014,7 @@ static void aspeed_i2c_realize(DeviceState *dev, Error **errp)
 
     sysbus_init_irq(sbd, &s->irq);
     memory_region_init_io(&s->iomem, OBJECT(s), &aspeed_i2c_ctrl_ops, s,
-                          "aspeed.i2c", 0x1000);
+                          "aspeed.i2c", aic->mem_size);
     sysbus_init_mmio(sbd, &s->iomem);
 
     for (i = 0; i < aic->num_busses; i++) {
@@ -1286,6 +1286,7 @@ static void aspeed_2400_i2c_class_init(ObjectClass *klass, void *data)
     aic->pool_size = 0x800;
     aic->pool_base = 0x800;
     aic->bus_pool_base = aspeed_2400_i2c_bus_pool_base;
+    aic->mem_size = 0x1000;
 }
 
 static const TypeInfo aspeed_2400_i2c_info = {
@@ -1320,6 +1321,7 @@ static void aspeed_2500_i2c_class_init(ObjectClass *klass, void *data)
     aic->bus_pool_base = aspeed_2500_i2c_bus_pool_base;
     aic->check_sram = true;
     aic->has_dma = true;
+    aic->mem_size = 0x1000;
 }
 
 static const TypeInfo aspeed_2500_i2c_info = {
@@ -1353,6 +1355,7 @@ static void aspeed_2600_i2c_class_init(ObjectClass *klass, void *data)
     aic->pool_base = 0xC00;
     aic->bus_pool_base = aspeed_2600_i2c_bus_pool_base;
     aic->has_dma = true;
+    aic->mem_size = 0x1000;
 }
 
 static const TypeInfo aspeed_2600_i2c_info = {
@@ -1376,6 +1379,7 @@ static void aspeed_1030_i2c_class_init(ObjectClass *klass, void *data)
     aic->pool_base = 0xC00;
     aic->bus_pool_base = aspeed_2600_i2c_bus_pool_base;
     aic->has_dma = true;
+    aic->mem_size = 0x10000;
 }
 
 static const TypeInfo aspeed_1030_i2c_info = {

diff --git a/include/hw/i2c/aspeed_i2c.h b/include/hw/i2c/aspeed_i2c.h
index a064479e599c29f679dd39ef649ef7d204572ee7..065b636d2999dad6f8a852265a6ee12baa256803 100644 (file)
--- a/include/hw/i2c/aspeed_i2c.h
+++ b/include/hw/i2c/aspeed_i2c.h
@@ -283,7 +283,7 @@ struct AspeedI2CClass {
     uint8_t *(*bus_pool_base)(AspeedI2CBus *);
     bool check_sram;
     bool has_dma;
-
+    uint64_t mem_size;
 };
 
 static inline bool aspeed_i2c_is_new_mode(AspeedI2CState *s)