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| author | Peng Fan <peng.fan@nxp.com> | 2016-01-28 16:55:05 +0800 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2016-02-21 11:46:26 +0100 |
| commit | 0623d375cfa9593260c0e6bfe404b38d3d5c7c7c (patch) | |
| tree | 5c01f1fd328d90cde10ca606a192a4c1958deada /arch/arm/include/asm/arch-mx6 | |
| parent | 6f6058bfd8aea1ab867407b423a3cbb3a4d70718 (diff) | |
| download | talos-obmc-uboot-0623d375cfa9593260c0e6bfe404b38d3d5c7c7c.tar.gz talos-obmc-uboot-0623d375cfa9593260c0e6bfe404b38d3d5c7c7c.zip | |
imx: mx6: implement functions to boot auxiliary core
Implement arch_auxiliary_core_up and arch_auxiliary_core_check_up.
arch_auxiliary_core_check_up is used to check whether M4 is running
or not. arch_auxiliary_core_up is to boot M4 core, the m4 core will
use the pc and stack which is set in arch_auxiliary_core_up to set R15
and R13 register and boot.
Signed-off-by: Ye.Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Diffstat (limited to 'arch/arm/include/asm/arch-mx6')
| -rw-r--r-- | arch/arm/include/asm/arch-mx6/imx-regs.h | 5 |
1 files changed, 5 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 4cff8eeda2..f3c26dc6e6 100644 --- a/arch/arm/include/asm/arch-mx6/imx-regs.h +++ b/arch/arm/include/asm/arch-mx6/imx-regs.h @@ -438,6 +438,11 @@ struct src { u32 gpr10; }; +#define SRC_SCR_M4_ENABLE_OFFSET 22 +#define SRC_SCR_M4_ENABLE_MASK (1 << 22) +#define SRC_SCR_M4C_NON_SCLR_RST_OFFSET 4 +#define SRC_SCR_M4C_NON_SCLR_RST_MASK (1 << 4) + /* GPR1 bitfields */ #define IOMUXC_GPR1_APP_CLK_REQ_N BIT(30) #define IOMUXC_GPR1_PCIE_EXIT_L1 BIT(28) |
