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Add the structures needed to get/set the power state. These can be used

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when, for example, we boot without U-Boot and wish to enable USB, or to
suspend an unneeded device.

MFC after:	1 week
This commit is contained in:
Andrew Turner 2015-02-15 11:23:27 +00:00
parent 45f1ade79b
commit 88cb7e2852
1 changed files with 47 additions and 0 deletions
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47
sys/arm/broadcom/bcm2835/bcm2835_mbox_prop.h
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@ -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