arch/arm/mach-imx/pm-imx6.c

Source file repositories/reference/linux-study-clean/arch/arm/mach-imx/pm-imx6.c

File Facts

System
Linux kernel
Corpus path
arch/arm/mach-imx/pm-imx6.c
Extension
.c
Size
19199 bytes
Lines
702
Domain
Architecture Layer
Bucket
arch/arm
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

struct imx6_pm_base {
	phys_addr_t pbase;
	void __iomem *vbase;
};

struct imx6_pm_socdata {
	u32 ddr_type;
	const char *mmdc_compat;
	const char *src_compat;
	const char *iomuxc_compat;
	const char *gpc_compat;
	const char *pl310_compat;
	const u32 mmdc_io_num;
	const u32 *mmdc_io_offset;
};

static const u32 imx6q_mmdc_io_offset[] __initconst = {
	0x5ac, 0x5b4, 0x528, 0x520, /* DQM0 ~ DQM3 */
	0x514, 0x510, 0x5bc, 0x5c4, /* DQM4 ~ DQM7 */
	0x56c, 0x578, 0x588, 0x594, /* CAS, RAS, SDCLK_0, SDCLK_1 */
	0x5a8, 0x5b0, 0x524, 0x51c, /* SDQS0 ~ SDQS3 */
	0x518, 0x50c, 0x5b8, 0x5c0, /* SDQS4 ~ SDQS7 */
	0x784, 0x788, 0x794, 0x79c, /* GPR_B0DS ~ GPR_B3DS */
	0x7a0, 0x7a4, 0x7a8, 0x748, /* GPR_B4DS ~ GPR_B7DS */
	0x59c, 0x5a0, 0x750, 0x774, /* SODT0, SODT1, MODE_CTL, MODE */
	0x74c,			    /* GPR_ADDS */
};

static const u32 imx6dl_mmdc_io_offset[] __initconst = {
	0x470, 0x474, 0x478, 0x47c, /* DQM0 ~ DQM3 */
	0x480, 0x484, 0x488, 0x48c, /* DQM4 ~ DQM7 */
	0x464, 0x490, 0x4ac, 0x4b0, /* CAS, RAS, SDCLK_0, SDCLK_1 */
	0x4bc, 0x4c0, 0x4c4, 0x4c8, /* DRAM_SDQS0 ~ DRAM_SDQS3 */
	0x4cc, 0x4d0, 0x4d4, 0x4d8, /* DRAM_SDQS4 ~ DRAM_SDQS7 */
	0x764, 0x770, 0x778, 0x77c, /* GPR_B0DS ~ GPR_B3DS */
	0x780, 0x784, 0x78c, 0x748, /* GPR_B4DS ~ GPR_B7DS */
	0x4b4, 0x4b8, 0x750, 0x760, /* SODT0, SODT1, MODE_CTL, MODE */
	0x74c,			    /* GPR_ADDS */
};

static const u32 imx6sl_mmdc_io_offset[] __initconst = {
	0x30c, 0x310, 0x314, 0x318, /* DQM0 ~ DQM3 */
	0x5c4, 0x5cc, 0x5d4, 0x5d8, /* GPR_B0DS ~ GPR_B3DS */
	0x300, 0x31c, 0x338, 0x5ac, /* CAS, RAS, SDCLK_0, GPR_ADDS */
	0x33c, 0x340, 0x5b0, 0x5c0, /* SODT0, SODT1, MODE_CTL, MODE */
	0x330, 0x334, 0x320,        /* SDCKE0, SDCKE1, RESET */
};

static const u32 imx6sll_mmdc_io_offset[] __initconst = {
	0x294, 0x298, 0x29c, 0x2a0, /* DQM0 ~ DQM3 */
	0x544, 0x54c, 0x554, 0x558, /* GPR_B0DS ~ GPR_B3DS */
	0x530, 0x540, 0x2ac, 0x52c, /* MODE_CTL, MODE, SDCLK_0, GPR_ADDDS */
	0x2a4, 0x2a8,		    /* SDCKE0, SDCKE1*/
};

static const u32 imx6sx_mmdc_io_offset[] __initconst = {
	0x2ec, 0x2f0, 0x2f4, 0x2f8, /* DQM0 ~ DQM3 */
	0x60c, 0x610, 0x61c, 0x620, /* GPR_B0DS ~ GPR_B3DS */
	0x300, 0x2fc, 0x32c, 0x5f4, /* CAS, RAS, SDCLK_0, GPR_ADDS */
	0x310, 0x314, 0x5f8, 0x608, /* SODT0, SODT1, MODE_CTL, MODE */
	0x330, 0x334, 0x338, 0x33c, /* SDQS0 ~ SDQS3 */
};

static const u32 imx6ul_mmdc_io_offset[] __initconst = {
	0x244, 0x248, 0x24c, 0x250, /* DQM0, DQM1, RAS, CAS */
	0x27c, 0x498, 0x4a4, 0x490, /* SDCLK0, GPR_B0DS-B1DS, GPR_ADDS */
	0x280, 0x284, 0x260, 0x264, /* SDQS0~1, SODT0, SODT1 */
	0x494, 0x4b0,	            /* MODE_CTL, MODE, */
};

static const struct imx6_pm_socdata imx6q_pm_data __initconst = {
	.mmdc_compat = "fsl,imx6q-mmdc",
	.src_compat = "fsl,imx6q-src",
	.iomuxc_compat = "fsl,imx6q-iomuxc",
	.gpc_compat = "fsl,imx6q-gpc",
	.pl310_compat = "arm,pl310-cache",
	.mmdc_io_num = ARRAY_SIZE(imx6q_mmdc_io_offset),
	.mmdc_io_offset = imx6q_mmdc_io_offset,
};

static const struct imx6_pm_socdata imx6dl_pm_data __initconst = {
	.mmdc_compat = "fsl,imx6q-mmdc",
	.src_compat = "fsl,imx6q-src",
	.iomuxc_compat = "fsl,imx6dl-iomuxc",
	.gpc_compat = "fsl,imx6q-gpc",
	.pl310_compat = "arm,pl310-cache",
	.mmdc_io_num = ARRAY_SIZE(imx6dl_mmdc_io_offset),
	.mmdc_io_offset = imx6dl_mmdc_io_offset,
};

Annotation

Implementation Notes