From: qianfan Zhao <qianfangui...@163.com>
Allwinner h3 has 4 twi(i2c) devices named twi0, twi1, twi2 and r_twi.
The registers are compatible with TYPE_AW_I2C_SUN6I, write 1 to clear
control register's INT_FLAG bit.
Signed-off-by: qianfan Zhao <qianfangui...@163.com>
Reviewed-by: Strahinja Jankovic <strahinja.p.janko...@gmail.com>
Reviewed-by: Peter Maydell <peter.mayd...@linaro.org>
Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
---
include/hw/arm/allwinner-h3.h | 6 ++++++
hw/arm/allwinner-h3.c | 29 +++++++++++++++++++++++++----
2 files changed, 31 insertions(+), 4 deletions(-)
diff --git a/include/hw/arm/allwinner-h3.h b/include/hw/arm/allwinner-h3.h
index 1d7ce205890..59e0f822d2d 100644
--- a/include/hw/arm/allwinner-h3.h
+++ b/include/hw/arm/allwinner-h3.h
@@ -84,6 +84,8 @@ enum {
AW_H3_DEV_UART3,
AW_H3_DEV_EMAC,
AW_H3_DEV_TWI0,
+ AW_H3_DEV_TWI1,
+ AW_H3_DEV_TWI2,
AW_H3_DEV_DRAMCOM,
AW_H3_DEV_DRAMCTL,
AW_H3_DEV_DRAMPHY,
@@ -93,6 +95,7 @@ enum {
AW_H3_DEV_GIC_VCPU,
AW_H3_DEV_RTC,
AW_H3_DEV_CPUCFG,
+ AW_H3_DEV_R_TWI,
AW_H3_DEV_SDRAM
};
@@ -133,6 +136,9 @@ struct AwH3State {
AwSidState sid;
AwSdHostState mmc0;
AWI2CState i2c0;
+ AWI2CState i2c1;
+ AWI2CState i2c2;
+ AWI2CState r_twi;
AwSun8iEmacState emac;
AwRtcState rtc;
GICState gic;
diff --git a/hw/arm/allwinner-h3.c b/hw/arm/allwinner-h3.c
index bfce3c8d92a..69d0ad6f50e 100644
--- a/hw/arm/allwinner-h3.c
+++ b/hw/arm/allwinner-h3.c
@@ -54,6 +54,8 @@ const hwaddr allwinner_h3_memmap[] = {
[AW_H3_DEV_UART2] = 0x01c28800,
[AW_H3_DEV_UART3] = 0x01c28c00,
[AW_H3_DEV_TWI0] = 0x01c2ac00,
+ [AW_H3_DEV_TWI1] = 0x01c2b000,
+ [AW_H3_DEV_TWI2] = 0x01c2b400,
[AW_H3_DEV_EMAC] = 0x01c30000,
[AW_H3_DEV_DRAMCOM] = 0x01c62000,
[AW_H3_DEV_DRAMCTL] = 0x01c63000,
@@ -64,6 +66,7 @@ const hwaddr allwinner_h3_memmap[] = {
[AW_H3_DEV_GIC_VCPU] = 0x01c86000,
[AW_H3_DEV_RTC] = 0x01f00000,
[AW_H3_DEV_CPUCFG] = 0x01f01c00,
+ [AW_H3_DEV_R_TWI] = 0x01f02400,
[AW_H3_DEV_SDRAM] = 0x40000000
};
@@ -107,8 +110,6 @@ struct AwH3Unimplemented {
{ "uart1", 0x01c28400, 1 * KiB },
{ "uart2", 0x01c28800, 1 * KiB },
{ "uart3", 0x01c28c00, 1 * KiB },
- { "twi1", 0x01c2b000, 1 * KiB },
- { "twi2", 0x01c2b400, 1 * KiB },
{ "scr", 0x01c2c400, 1 * KiB },
{ "gpu", 0x01c40000, 64 * KiB },
{ "hstmr", 0x01c60000, 4 * KiB },
@@ -123,7 +124,6 @@ struct AwH3Unimplemented {
{ "r_prcm", 0x01f01400, 1 * KiB },
{ "r_twd", 0x01f01800, 1 * KiB },
{ "r_cir-rx", 0x01f02000, 1 * KiB },
- { "r_twi", 0x01f02400, 1 * KiB },
{ "r_uart", 0x01f02800, 1 * KiB },
{ "r_pio", 0x01f02c00, 1 * KiB },
{ "r_pwm", 0x01f03800, 1 * KiB },
@@ -151,8 +151,11 @@ enum {
AW_H3_GIC_SPI_UART2 = 2,
AW_H3_GIC_SPI_UART3 = 3,
AW_H3_GIC_SPI_TWI0 = 6,
+ AW_H3_GIC_SPI_TWI1 = 7,
+ AW_H3_GIC_SPI_TWI2 = 8,
AW_H3_GIC_SPI_TIMER0 = 18,
AW_H3_GIC_SPI_TIMER1 = 19,
+ AW_H3_GIC_SPI_R_TWI = 44,
AW_H3_GIC_SPI_MMC0 = 60,
AW_H3_GIC_SPI_EHCI0 = 72,
AW_H3_GIC_SPI_OHCI0 = 73,
@@ -227,7 +230,10 @@ static void allwinner_h3_init(Object *obj)
object_initialize_child(obj, "rtc", &s->rtc, TYPE_AW_RTC_SUN6I);
- object_initialize_child(obj, "twi0", &s->i2c0, TYPE_AW_I2C);
+ object_initialize_child(obj, "twi0", &s->i2c0, TYPE_AW_I2C_SUN6I);
+ object_initialize_child(obj, "twi1", &s->i2c1, TYPE_AW_I2C_SUN6I);
+ object_initialize_child(obj, "twi2", &s->i2c2, TYPE_AW_I2C_SUN6I);
+ object_initialize_child(obj, "r_twi", &s->r_twi, TYPE_AW_I2C_SUN6I);
}
static void allwinner_h3_realize(DeviceState *dev, Error **errp)
@@ -432,6 +438,21 @@ static void allwinner_h3_realize(DeviceState *dev, Error
**errp)
sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c0), 0,
qdev_get_gpio_in(DEVICE(&s->gic), AW_H3_GIC_SPI_TWI0));
+ sysbus_realize(SYS_BUS_DEVICE(&s->i2c1), &error_fatal);
+ sysbus_mmio_map(SYS_BUS_DEVICE(&s->i2c1), 0, s->memmap[AW_H3_DEV_TWI1]);
+ sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c1), 0,
+ qdev_get_gpio_in(DEVICE(&s->gic), AW_H3_GIC_SPI_TWI1));
+
+ sysbus_realize(SYS_BUS_DEVICE(&s->i2c2), &error_fatal);
+ sysbus_mmio_map(SYS_BUS_DEVICE(&s->i2c2), 0, s->memmap[AW_H3_DEV_TWI2]);
+ sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c2), 0,
+ qdev_get_gpio_in(DEVICE(&s->gic), AW_H3_GIC_SPI_TWI2));
+
+ sysbus_realize(SYS_BUS_DEVICE(&s->r_twi), &error_fatal);
+ sysbus_mmio_map(SYS_BUS_DEVICE(&s->r_twi), 0, s->memmap[AW_H3_DEV_R_TWI]);
+ sysbus_connect_irq(SYS_BUS_DEVICE(&s->r_twi), 0,
+ qdev_get_gpio_in(DEVICE(&s->gic), AW_H3_GIC_SPI_R_TWI));
+
/* Unimplemented devices */
for (i = 0; i < ARRAY_SIZE(unimplemented); i++) {
create_unimplemented_device(unimplemented[i].device_name,
--
2.34.1
