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| author | Lucas Stach <l.stach@pengutronix.de> | 2017-03-01 15:31:31 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2017-03-02 09:11:23 +0100 |
| commit | 63e67a96337987550406415a0f28934fc47eda1e (patch) | |
| tree | 7a5fbf46dc25377d0622d2792e81f8ab631841d2 /arch/arm/mach-bcm283x/include | |
| parent | fe506e132c4f06ef82a7374841a884958b27931f (diff) | |
| download | barebox-63e67a96337987550406415a0f28934fc47eda1e.tar.gz barebox-63e67a96337987550406415a0f28934fc47eda1e.tar.xz | |
ARM: rpi: convert mailbox interface to regular driver
In prepareation for devicetree probing.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-bcm283x/include')
| -rw-r--r-- | arch/arm/mach-bcm283x/include/mach/core.h | 6 | ||||
| -rw-r--r-- | arch/arm/mach-bcm283x/include/mach/mbox.h | 19 | ||||
| -rw-r--r-- | arch/arm/mach-bcm283x/include/mach/platform.h | 1 |
3 files changed, 16 insertions, 10 deletions
diff --git a/arch/arm/mach-bcm283x/include/mach/core.h b/arch/arm/mach-bcm283x/include/mach/core.h index b0bed80ea0..ce54d38707 100644 --- a/arch/arm/mach-bcm283x/include/mach/core.h +++ b/arch/arm/mach-bcm283x/include/mach/core.h @@ -32,4 +32,10 @@ static void inline bcm2835_register_fb(void) add_generic_device("bcm2835_fb", 0, NULL, 0, 0, 0, NULL); } +static void inline bcm2835_register_mbox(void) +{ + add_generic_device("bcm2835_mbox", 0, NULL, BCM2835_MBOX_BASE, 0x40, + IORESOURCE_MEM, NULL); +} + #endif diff --git a/arch/arm/mach-bcm283x/include/mach/mbox.h b/arch/arm/mach-bcm283x/include/mach/mbox.h index cd9ee1f434..2b5aea88ee 100644 --- a/arch/arm/mach-bcm283x/include/mach/mbox.h +++ b/arch/arm/mach-bcm283x/include/mach/mbox.h @@ -41,16 +41,15 @@ */ /* Raw mailbox HW */ - -#define BCM2835_MBOX_PHYSADDR (BCM2835_ARM_BASE + 0x880) - -struct bcm2835_mbox_regs { - u32 read; - u32 rsvd0[5]; - u32 status; - u32 config; - u32 write; -}; +#define ARM_0_MAIL0 0x00 +#define ARM_0_MAIL1 0x20 + +#define MAIL0_RD (ARM_0_MAIL0 + 0x00) +#define MAIL0_POL (ARM_0_MAIL0 + 0x10) +#define MAIL0_STA (ARM_0_MAIL0 + 0x18) +#define MAIL0_CNF (ARM_0_MAIL0 + 0x1C) +#define MAIL1_WRT (ARM_0_MAIL1 + 0x00) +#define MAIL1_STA (ARM_0_MAIL1 + 0x18) #define BCM2835_MBOX_STATUS_WR_FULL 0x80000000 #define BCM2835_MBOX_STATUS_RD_EMPTY 0x40000000 diff --git a/arch/arm/mach-bcm283x/include/mach/platform.h b/arch/arm/mach-bcm283x/include/mach/platform.h index 3b73831aa5..09fe78fd41 100644 --- a/arch/arm/mach-bcm283x/include/mach/platform.h +++ b/arch/arm/mach-bcm283x/include/mach/platform.h @@ -41,6 +41,7 @@ #define BCM2835_ST_BASE (BCM2835_PERI_BASE + 0x3000) /* System Timer */ #define BCM2835_DMA_BASE (BCM2835_PERI_BASE + 0x7000) /* DMA controller */ #define BCM2835_ARM_BASE (BCM2835_PERI_BASE + 0xB000) /* BCM2708 ARM control block */ +#define BCM2835_MBOX_BASE (BCM2835_ARM_BASE + 0x880) /* BCM2835 mailbox */ #define BCM2835_PM_BASE (BCM2835_PERI_BASE + 0x100000) /* Power Management, Reset controller and Watchdog registers */ #define BCM2835_GPIO_BASE (BCM2835_PERI_BASE + 0x200000) /* GPIO */ #define BCM2835_UART0_BASE (BCM2835_PERI_BASE + 0x201000) /* Uart 0 */ |