Author: andrew
Date: Sun Feb 15 11:23:27 2015
New Revision: 278797
URL: https://svnweb.freebsd.org/changeset/base/278797
Log:
Add the structures needed to get/set the power state. These can be used
when, for example, we boot without U-Boot and wish to enable USB, or to
suspend an unneeded device.
MFC after: 1 week
Modified:
head/sys/arm/broadcom/bcm2835/bcm2835_mbox_prop.h
Modified: head/sys/arm/broadcom/bcm2835/bcm2835_mbox_prop.h
==============================================================================
--- head/sys/arm/broadcom/bcm2835/bcm2835_mbox_prop.h Sun Feb 15 08:52:09
2015 (r278796)
+++ head/sys/arm/broadcom/bcm2835/bcm2835_mbox_prop.h Sun Feb 15 11:23:27
2015 (r278797)
@@ -52,6 +52,53 @@ struct bcm2835_mbox_tag_hdr {
uint32_t val_len;
};
+#define BCM2835_MBOX_POWER_ID_EMMC 0x00000000
+#define BCM2835_MBOX_POWER_ID_UART0 0x00000001
+#define BCM2835_MBOX_POWER_ID_UART1 0x00000002
+#define BCM2835_MBOX_POWER_ID_USB_HCD 0x00000003
+#define BCM2835_MBOX_POWER_ID_I2C0 0x00000004
+#define BCM2835_MBOX_POWER_ID_I2C1 0x00000005
+#define BCM2835_MBOX_POWER_ID_I2C2 0x00000006
+#define BCM2835_MBOX_POWER_ID_SPI 0x00000007
+#define BCM2835_MBOX_POWER_ID_CCP2TX 0x00000008
+
+#define BCM2835_MBOX_POWER_ON (1 << 0)
+#define BCM2835_MBOX_POWER_WAIT (1 << 1)
+
+#define BCM2835_MBOX_TAG_GET_POWER_STATE 0x00020001
+#define BCM2835_MBOX_TAG_SET_POWER_STATE 0x00028001
+
+struct msg_get_power_state {
+ struct bcm2835_mbox_hdr hdr;
+ struct bcm2835_mbox_tag_hdr tag_hdr;
+ union {
+ struct {
+ uint32_t device_id;
+ } req;
+ struct {
+ uint32_t device_id;
+ uint32_t state;
+ } resp;
+ } body;
+ uint32_t end_tag;
+};
+
+struct msg_set_power_state {
+ struct bcm2835_mbox_hdr hdr;
+ struct bcm2835_mbox_tag_hdr tag_hdr;
+ union {
+ struct {
+ uint32_t device_id;
+ uint32_t state;
+ } req;
+ struct {
+ uint32_t device_id;
+ uint32_t state;
+ } resp;
+ } body;
+ uint32_t end_tag;
+};
+
#define BCM2835_MBOX_CLOCK_ID_EMMC 0x00000001
#define BCM2835_MBOX_CLOCK_ID_UART 0x00000002
#define BCM2835_MBOX_CLOCK_ID_ARM 0x00000003
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