By specifying the silicon revision we select the appropriate reset values for the SoC.
Additionally, expose hardware strapping properties aliasing those provided by the SCU for board-specific configuration. Signed-off-by: Andrew Jeffery <and...@aj.id.au> --- Since v1: * Remove reset value configuration * Configure SoC silicon revision in the SCU via property * Alias the SCU's hardware strapping properties to expose them to boards hw/arm/ast2400.c | 17 +++++++++++++++++ include/hw/arm/ast2400.h | 2 ++ 2 files changed, 19 insertions(+) diff --git a/hw/arm/ast2400.c b/hw/arm/ast2400.c index 4a9de0e10cbc..1a26d74e695c 100644 --- a/hw/arm/ast2400.c +++ b/hw/arm/ast2400.c @@ -24,6 +24,7 @@ #define AST2400_IOMEM_SIZE 0x00200000 #define AST2400_IOMEM_BASE 0x1E600000 #define AST2400_VIC_BASE 0x1E6C0000 +#define AST2400_SCU_BASE 0x1E6E2000 #define AST2400_TIMER_BASE 0x1E782000 #define AST2400_I2C_BASE 0x1E78A000 @@ -72,6 +73,14 @@ static void ast2400_init(Object *obj) object_initialize(&s->i2c, sizeof(s->i2c), TYPE_ASPEED_I2C); object_property_add_child(obj, "i2c", OBJECT(&s->i2c), NULL); qdev_set_parent_bus(DEVICE(&s->i2c), sysbus_get_default()); + + object_initialize(&s->scu, sizeof(s->scu), TYPE_ASPEED_SCU); + object_property_add_child(obj, "scu", OBJECT(&s->scu), NULL); + qdev_set_parent_bus(DEVICE(&s->scu), sysbus_get_default()); + object_property_add_alias(obj, "hw-strap1", OBJECT(&s->scu), + "hw-strap1", &error_abort); + object_property_add_alias(obj, "hw-strap2", OBJECT(&s->scu), + "hw-strap2", &error_abort); } static void ast2400_realize(DeviceState *dev, Error **errp) @@ -110,6 +119,14 @@ static void ast2400_realize(DeviceState *dev, Error **errp) sysbus_connect_irq(SYS_BUS_DEVICE(&s->timerctrl), i, irq); } + /* SCU */ + object_property_set_bool(OBJECT(&s->scu), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; + } + sysbus_mmio_map(SYS_BUS_DEVICE(&s->scu), 0, AST2400_SCU_BASE); + /* UART - attach an 8250 to the IO space as our UART5 */ if (serial_hds[0]) { qemu_irq uart5 = qdev_get_gpio_in(DEVICE(&s->vic), uart_irqs[4]); diff --git a/include/hw/arm/ast2400.h b/include/hw/arm/ast2400.h index c05ed5376736..f1a64fd3893d 100644 --- a/include/hw/arm/ast2400.h +++ b/include/hw/arm/ast2400.h @@ -14,6 +14,7 @@ #include "hw/arm/arm.h" #include "hw/intc/aspeed_vic.h" +#include "hw/misc/aspeed_scu.h" #include "hw/timer/aspeed_timer.h" #include "hw/i2c/aspeed_i2c.h" @@ -27,6 +28,7 @@ typedef struct AST2400State { AspeedVICState vic; AspeedTimerCtrlState timerctrl; AspeedI2CState i2c; + AspeedSCUState scu; } AST2400State; #define TYPE_AST2400 "ast2400" -- 2.7.4