Move i.MX6/7 bootaux code to imx_bootaux.c. The i.MX6/7 has different src layout, so define M4 reg offset to ease the cleanup. Redefine the M4 related BIT for share common code.
Signed-off-by: Peng Fan peng.fan@nxp.com Cc: Stefano Babic sbabic@denx.de Cc: Fabio Estevam fabio.estevam@nxp.com --- arch/arm/include/asm/arch-mx6/imx-regs.h | 9 ++++---- arch/arm/include/asm/arch-mx7/imx-regs.h | 10 +++++---- arch/arm/mach-imx/imx_bootaux.c | 36 +++++++++++++++++++++++------- arch/arm/mach-imx/mx6/soc.c | 38 -------------------------------- arch/arm/mach-imx/mx7/soc.c | 36 ------------------------------ 5 files changed, 39 insertions(+), 90 deletions(-)
diff --git a/arch/arm/include/asm/arch-mx6/imx-regs.h b/arch/arm/include/asm/arch-mx6/imx-regs.h index 48ce0edd06..8513406a8e 100644 --- a/arch/arm/include/asm/arch-mx6/imx-regs.h +++ b/arch/arm/include/asm/arch-mx6/imx-regs.h @@ -482,10 +482,11 @@ struct src {
#define src_base ((struct src *)SRC_BASE_ADDR)
-#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) +#define SRC_M4_REG_OFFSET 0 +#define SRC_M4_ENABLE_OFFSET 22 +#define SRC_M4_ENABLE_MASK BIT(22) +#define SRC_M4C_NON_SCLR_RST_OFFSET 4 +#define SRC_M4C_NON_SCLR_RST_MASK BIT(4)
/* GPR1 bitfields */ #define IOMUXC_GPR1_APP_CLK_REQ_N BIT(30) diff --git a/arch/arm/include/asm/arch-mx7/imx-regs.h b/arch/arm/include/asm/arch-mx7/imx-regs.h index f0693f9028..a421b9bc04 100644 --- a/arch/arm/include/asm/arch-mx7/imx-regs.h +++ b/arch/arm/include/asm/arch-mx7/imx-regs.h @@ -264,10 +264,12 @@ struct src { u32 ddrc_rcr; };
-#define SRC_M4RCR_M4C_NON_SCLR_RST_OFFSET 0 -#define SRC_M4RCR_M4C_NON_SCLR_RST_MASK (1 << 0) -#define SRC_M4RCR_ENABLE_M4_OFFSET 3 -#define SRC_M4RCR_ENABLE_M4_MASK (1 << 3) +#define SRC_M4_REG_OFFSET 0xC +#define SRC_M4C_NON_SCLR_RST_OFFSET 0 +#define SRC_M4C_NON_SCLR_RST_MASK BIT(0) +#define SRC_M4_ENABLE_OFFSET 3 +#define SRC_M4_ENABLE_MASK BIT(3) + #define SRC_DDRC_RCR_DDRC_CORE_RST_OFFSET 1 #define SRC_DDRC_RCR_DDRC_CORE_RST_MASK (1 << 1)
diff --git a/arch/arm/mach-imx/imx_bootaux.c b/arch/arm/mach-imx/imx_bootaux.c index b62dfbf6bf..02728514b7 100644 --- a/arch/arm/mach-imx/imx_bootaux.c +++ b/arch/arm/mach-imx/imx_bootaux.c @@ -5,21 +5,41 @@ */
#include <common.h> +#include <asm/io.h> #include <command.h> #include <linux/compiler.h>
-/* Allow for arch specific config before we boot */ -int __weak arch_auxiliary_core_up(u32 core_id, u32 boot_private_data) +int arch_auxiliary_core_up(u32 core_id, ulong boot_private_data) { - /* please define platform specific arch_auxiliary_core_up() */ - return CMD_RET_FAILURE; + ulong stack, pc; + + if (!boot_private_data) + return -EINVAL; + + stack = *(ulong *)boot_private_data; + pc = *(ulong *)(boot_private_data + 4); + + /* Set the stack and pc to M4 bootROM */ + writel(stack, M4_BOOTROM_BASE_ADDR); + writel(pc, M4_BOOTROM_BASE_ADDR + 4); + + /* Enable M4 */ + clrsetbits_le32(SRC_BASE_ADDR + SRC_M4_REG_OFFSET, + SRC_M4C_NON_SCLR_RST_MASK, SRC_M4_ENABLE_MASK); + + return 0; }
-/* Allow for arch specific config before we boot */ -int __weak arch_auxiliary_core_check_up(u32 core_id) +int arch_auxiliary_core_check_up(u32 core_id) { - /* please define platform specific arch_auxiliary_core_check_up() */ - return 0; + unsigned int val; + + val = readl(SRC_BASE_ADDR + SRC_M4_REG_OFFSET); + + if (val & SRC_M4C_NON_SCLR_RST_MASK) + return 0; /* assert in reset */ + + return 1; }
/* diff --git a/arch/arm/mach-imx/mx6/soc.c b/arch/arm/mach-imx/mx6/soc.c index b3bee58f10..9b3d8f69b2 100644 --- a/arch/arm/mach-imx/mx6/soc.c +++ b/arch/arm/mach-imx/mx6/soc.c @@ -666,41 +666,3 @@ void gpr_init(void) writel(0x007F007F, &iomux->gpr[7]); } } - -#ifdef CONFIG_IMX_BOOTAUX -int arch_auxiliary_core_up(u32 core_id, u32 boot_private_data) -{ - struct src *src_reg; - u32 stack, pc; - - if (!boot_private_data) - return -EINVAL; - - stack = *(u32 *)boot_private_data; - pc = *(u32 *)(boot_private_data + 4); - - /* Set the stack and pc to M4 bootROM */ - writel(stack, M4_BOOTROM_BASE_ADDR); - writel(pc, M4_BOOTROM_BASE_ADDR + 4); - - /* Enable M4 */ - src_reg = (struct src *)SRC_BASE_ADDR; - clrsetbits_le32(&src_reg->scr, SRC_SCR_M4C_NON_SCLR_RST_MASK, - SRC_SCR_M4_ENABLE_MASK); - - return 0; -} - -int arch_auxiliary_core_check_up(u32 core_id) -{ - struct src *src_reg = (struct src *)SRC_BASE_ADDR; - unsigned val; - - val = readl(&src_reg->scr); - - if (val & SRC_SCR_M4C_NON_SCLR_RST_MASK) - return 0; /* assert in reset */ - - return 1; -} -#endif diff --git a/arch/arm/mach-imx/mx7/soc.c b/arch/arm/mach-imx/mx7/soc.c index 10dec8bdf4..72dbd625c9 100644 --- a/arch/arm/mach-imx/mx7/soc.c +++ b/arch/arm/mach-imx/mx7/soc.c @@ -208,42 +208,6 @@ void get_board_serial(struct tag_serialnr *serialnr) } #endif
-#ifdef CONFIG_IMX_BOOTAUX -int arch_auxiliary_core_up(u32 core_id, u32 boot_private_data) -{ - u32 stack, pc; - struct src *src_reg = (struct src *)SRC_BASE_ADDR; - - if (!boot_private_data) - return 1; - - stack = *(u32 *)boot_private_data; - pc = *(u32 *)(boot_private_data + 4); - - /* Set the stack and pc to M4 bootROM */ - writel(stack, M4_BOOTROM_BASE_ADDR); - writel(pc, M4_BOOTROM_BASE_ADDR + 4); - - /* Enable M4 */ - clrsetbits_le32(&src_reg->m4rcr, SRC_M4RCR_M4C_NON_SCLR_RST_MASK, - SRC_M4RCR_ENABLE_M4_MASK); - - return 0; -} - -int arch_auxiliary_core_check_up(u32 core_id) -{ - uint32_t val; - struct src *src_reg = (struct src *)SRC_BASE_ADDR; - - val = readl(&src_reg->m4rcr); - if (val & 0x00000001) - return 0; /* assert in reset */ - - return 1; -} -#endif - void set_wdog_reset(struct wdog_regs *wdog) { u32 reg = readw(&wdog->wcr);