diff options
| author | Gabriel Huau <contact@huau-gabriel.fr> | 2014-07-26 11:35:43 -0700 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2014-08-20 11:52:54 +0200 |
| commit | a76df7090882c32e9551590673fb76708346f85d (patch) | |
| tree | b23341c861c1d167fd15c7c066785898497d17bf /arch/arm/include | |
| parent | 015e215bbf70214d7c3bec2eca691edb6b73b28e (diff) | |
mx6: add support of multi-processor command
This allows u-boot to load different OS or Bare Metal application on
different cores of the i.MX6 SoC.
For example: running Android on cpu0 and a RT OS like QNX/FreeRTOS on cpu1.
Signed-off-by: Gabriel Huau <contact@huau-gabriel.fr>
Acked-by: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/arch-mx6/imx-regs.h | 13 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-mx6/sys_proto.h | 1 |
2 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-mx6/imx-regs.h b/arch/arm/include/asm/arch-mx6/imx-regs.h index d4ce8a8733..2631beb924 100644 --- a/arch/arm/include/asm/arch-mx6/imx-regs.h +++ b/arch/arm/include/asm/arch-mx6/imx-regs.h @@ -324,6 +324,19 @@ extern void imx_get_mac_from_fuse(int dev_id, unsigned char *mac); +#define SRC_SCR_CORE_1_RESET_OFFSET 14 +#define SRC_SCR_CORE_1_RESET_MASK (1<<SRC_SCR_CORE_1_RESET_OFFSET) +#define SRC_SCR_CORE_2_RESET_OFFSET 15 +#define SRC_SCR_CORE_2_RESET_MASK (1<<SRC_SCR_CORE_2_RESET_OFFSET) +#define SRC_SCR_CORE_3_RESET_OFFSET 16 +#define SRC_SCR_CORE_3_RESET_MASK (1<<SRC_SCR_CORE_3_RESET_OFFSET) +#define SRC_SCR_CORE_1_ENABLE_OFFSET 22 +#define SRC_SCR_CORE_1_ENABLE_MASK (1<<SRC_SCR_CORE_1_ENABLE_OFFSET) +#define SRC_SCR_CORE_2_ENABLE_OFFSET 23 +#define SRC_SCR_CORE_2_ENABLE_MASK (1<<SRC_SCR_CORE_2_ENABLE_OFFSET) +#define SRC_SCR_CORE_3_ENABLE_OFFSET 24 +#define SRC_SCR_CORE_3_ENABLE_MASK (1<<SRC_SCR_CORE_3_ENABLE_OFFSET) + /* System Reset Controller (SRC) */ struct src { u32 scr; diff --git a/arch/arm/include/asm/arch-mx6/sys_proto.h b/arch/arm/include/asm/arch-mx6/sys_proto.h index 42d30f5021..306d6998ce 100644 --- a/arch/arm/include/asm/arch-mx6/sys_proto.h +++ b/arch/arm/include/asm/arch-mx6/sys_proto.h @@ -14,6 +14,7 @@ #define soc_rev() (get_cpu_rev() & 0xFF) #define is_soc_rev(rev) (soc_rev() - rev) +u32 get_nr_cpus(void); u32 get_cpu_rev(void); /* returns MXC_CPU_ value */ |