diff options
Diffstat (limited to 'arch/arm/mach-bcm283x/include')
| -rw-r--r-- | arch/arm/mach-bcm283x/include/mach/mbox.h | 18 | ||||
| -rw-r--r-- | arch/arm/mach-bcm283x/include/mach/msg.h | 10 |
2 files changed, 28 insertions, 0 deletions
diff --git a/arch/arm/mach-bcm283x/include/mach/mbox.h b/arch/arm/mach-bcm283x/include/mach/mbox.h index 2ae2d3d97c..490664f878 100644 --- a/arch/arm/mach-bcm283x/include/mach/mbox.h +++ b/arch/arm/mach-bcm283x/include/mach/mbox.h @@ -224,6 +224,8 @@ struct bcm2835_mbox_tag_set_power_state { }; #define BCM2835_MBOX_TAG_GET_CLOCK_RATE 0x00030002 +#define BCM2835_MBOX_TAG_GET_MAX_CLOCK_RATE 0x00030004 +#define BCM2835_MBOX_TAG_GET_MIN_CLOCK_RATE 0x00030007 #define BCM2835_MBOX_CLOCK_ID_EMMC 1 #define BCM2835_MBOX_CLOCK_ID_UART 2 @@ -250,6 +252,22 @@ struct bcm2835_mbox_tag_get_clock_rate { } body; }; +#define BCM2835_MBOX_TAG_SET_SDHOST_CLOCK 0x00038042 + +struct bcm2835_mbox_tag_set_sdhost_clock { + struct bcm2835_mbox_tag_hdr tag_hdr; + union { + struct { + u32 rate_hz; + } req; + struct { + u32 rate_hz; + u32 rate_1; + u32 rate_2; + } resp; + } body; +}; + #define BCM2835_MBOX_TAG_ALLOCATE_BUFFER 0x00040001 struct bcm2835_mbox_tag_allocate_buffer { diff --git a/arch/arm/mach-bcm283x/include/mach/msg.h b/arch/arm/mach-bcm283x/include/mach/msg.h index eb3da93cc2..e54da86e35 100644 --- a/arch/arm/mach-bcm283x/include/mach/msg.h +++ b/arch/arm/mach-bcm283x/include/mach/msg.h @@ -23,6 +23,16 @@ int bcm2835_power_on_module(u32 module); int bcm2835_get_mmc_clock(u32 clock_id); /** + * bcm2835_set_sdhost_clock() - determine if firmware controls sdhost cdiv + * + * @rate_hz: Input clock frequency + * @rate_1: Returns a clock frequency + * @rate_2: Returns a clock frequency + * @return 0 of OK, -EIO on error + */ +int bcm2835_set_sdhost_clock(u32 rate_hz, u32 *rate_1, u32 *rate_2); + +/** * bcm2835_get_video_size() - get the current display size * * @widthp: Returns the width in pixels |