From 98c15deb3083d5dac7900c58e95f2ac2f422a4d3 Mon Sep 17 00:00:00 2001 From: "Ye.Li" Date: Wed, 11 Jun 2014 15:49:22 +0800 Subject: ENGR00315894-57 iMX6SX: Add M4 boot support at soc level Implement the override function "arch_auxiliary_core_up" to boot Cortex-M4 by executing command "bootaux". The parameter "boot_private_data" points to fields where stores the stack address and PC address for M4 to run. Signed-off-by: Ye.Li --- arch/arm/include/asm/arch-mx6/imx-regs.h | 1 + arch/arm/include/asm/arch-mx6/sys_proto.h | 4 ++++ 2 files changed, 5 insertions(+) (limited to 'arch/arm/include/asm/arch-mx6') diff --git a/arch/arm/include/asm/arch-mx6/imx-regs.h b/arch/arm/include/asm/arch-mx6/imx-regs.h index 9532e5e..bca71c2 100644 --- a/arch/arm/include/asm/arch-mx6/imx-regs.h +++ b/arch/arm/include/asm/arch-mx6/imx-regs.h @@ -27,6 +27,7 @@ #define GPU_ARB_END_ADDR 0x01803FFF #define APBH_DMA_ARB_BASE_ADDR 0x01804000 #define APBH_DMA_ARB_END_ADDR 0x0180BFFF +#define M4_BOOTROM_BASE_ADDR 0x007F8000 #define MXS_APBH_BASE APBH_DMA_ARB_BASE_ADDR #define MXS_GPMI_BASE (APBH_DMA_ARB_BASE_ADDR + 0x02000) diff --git a/arch/arm/include/asm/arch-mx6/sys_proto.h b/arch/arm/include/asm/arch-mx6/sys_proto.h index c546096..df7a0a2 100644 --- a/arch/arm/include/asm/arch-mx6/sys_proto.h +++ b/arch/arm/include/asm/arch-mx6/sys_proto.h @@ -30,6 +30,10 @@ void set_anatop_bypass(void); void ldo_mode_set(int ldo_bypass); #endif +#ifdef CONFIG_MX6SX +int arch_auxiliary_core_up(u32 core_id, u32 boot_private_data); +#endif + /* * Initializes on-chip ethernet controllers. * to override, implement board_eth_init() -- cgit v1.1