diff mbox series

[21/25] hw/arm/aspeed_ast10x0: Map I3C peripheral

Message ID 20230119123449.531826-22-clg@kaod.org
State Superseded
Headers show
Series None | expand

Commit Message

Cédric Le Goater Jan. 19, 2023, 12:34 p.m. UTC 
From: Philippe Mathieu-Daudé <philmd@linaro.org>

Since I don't have access to the datasheet, the relevant
values were found in:
https://github.com/AspeedTech-BMC/zephyr/blob/v00.01.08/dts/arm/aspeed/ast10x0.dtsi

Reviewed-by: Peter Delevoryas <peter@pjd.dev>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
---
 hw/arm/aspeed_ast10x0.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
diff mbox series

Patch

diff --git a/hw/arm/aspeed_ast10x0.c b/hw/arm/aspeed_ast10x0.c
index b970a5ea58..1a06269cb1 100644
--- a/hw/arm/aspeed_ast10x0.c
+++ b/hw/arm/aspeed_ast10x0.c
@@ -53,6 +53,7 @@  static const hwaddr aspeed_soc_ast1030_memmap[] = {
     [ASPEED_DEV_WDT]       = 0x7E785000,
     [ASPEED_DEV_LPC]       = 0x7E789000,
     [ASPEED_DEV_PECI]      = 0x7E78B000,
+    [ASPEED_DEV_I3C]       = 0x7E7A0000,
     [ASPEED_DEV_I2C]       = 0x7E7B0000,
 };
 
@@ -88,6 +89,7 @@  static const int aspeed_soc_ast1030_irqmap[] = {
     [ASPEED_DEV_ADC]       = 46,
     [ASPEED_DEV_SPI1]      = 65,
     [ASPEED_DEV_SPI2]      = 66,
+    [ASPEED_DEV_I3C]       = 102, /* 102 -> 105 */
     [ASPEED_DEV_I2C]       = 110, /* 110 ~ 123 */
     [ASPEED_DEV_KCS]       = 138, /* 138 -> 142 */
     [ASPEED_DEV_UDC]       = 9,
@@ -129,6 +131,8 @@  static void aspeed_soc_ast1030_init(Object *obj)
     snprintf(typename, sizeof(typename), "aspeed.i2c-%s", socname);
     object_initialize_child(obj, "i2c", &s->i2c, typename);
 
+    object_initialize_child(obj, "i3c", &s->i3c, TYPE_ASPEED_I3C);
+
     snprintf(typename, sizeof(typename), "aspeed.timer-%s", socname);
     object_initialize_child(obj, "timerctrl", &s->timerctrl, typename);
 
@@ -239,6 +243,18 @@  static void aspeed_soc_ast1030_realize(DeviceState *dev_soc, Error **errp)
         sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c.busses[i]), 0, irq);
     }
 
+    /* I3C */
+    if (!sysbus_realize(SYS_BUS_DEVICE(&s->i3c), errp)) {
+        return;
+    }
+    aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->i3c), 0, sc->memmap[ASPEED_DEV_I3C]);
+    for (i = 0; i < ASPEED_I3C_NR_DEVICES; i++) {
+        qemu_irq irq = qdev_get_gpio_in(DEVICE(&s->armv7m),
+                                        sc->irqmap[ASPEED_DEV_I3C] + i);
+        /* The AST1030 I3C controller has one IRQ per bus. */
+        sysbus_connect_irq(SYS_BUS_DEVICE(&s->i3c.devices[i]), 0, irq);
+    }
+
     /* PECI */
     if (!sysbus_realize(SYS_BUS_DEVICE(&s->peci), errp)) {
         return;