arch/arm/mach-omap2/iomap.h

Source file repositories/reference/linux-study-clean/arch/arm/mach-omap2/iomap.h

File Facts

System
Linux kernel
Corpus path
arch/arm/mach-omap2/iomap.h
Extension
.h
Size
10273 bytes
Lines
260
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

#define OMAP2_L3_IO_OFFSET	0x90000000
#define OMAP2_L3_IO_ADDRESS(pa)	IOMEM((pa) + OMAP2_L3_IO_OFFSET) /* L3 */

#define OMAP2_L4_IO_OFFSET	0xb2000000
#define OMAP2_L4_IO_ADDRESS(pa)	IOMEM((pa) + OMAP2_L4_IO_OFFSET) /* L4 */

#define OMAP4_L3_IO_OFFSET	0xb4000000
#define OMAP4_L3_IO_ADDRESS(pa)	IOMEM((pa) + OMAP4_L3_IO_OFFSET) /* L3 */

#define AM33XX_L4_WK_IO_OFFSET	0xb5000000
#define AM33XX_L4_WK_IO_ADDRESS(pa)	IOMEM((pa) + AM33XX_L4_WK_IO_OFFSET)

#define OMAP4_L3_PER_IO_OFFSET	0xb1100000
#define OMAP4_L3_PER_IO_ADDRESS(pa)	IOMEM((pa) + OMAP4_L3_PER_IO_OFFSET)

#define OMAP2_EMU_IO_OFFSET		0xaa800000	/* Emulation */
#define OMAP2_EMU_IO_ADDRESS(pa)	IOMEM((pa) + OMAP2_EMU_IO_OFFSET)

/*
 * ----------------------------------------------------------------------------
 * Omap2 specific IO mapping
 * ----------------------------------------------------------------------------
 */

/* We map both L3 and L4 on OMAP2 */
#define L3_24XX_PHYS	L3_24XX_BASE	/* 0x68000000 --> 0xf8000000*/
#define L3_24XX_VIRT	(L3_24XX_PHYS + OMAP2_L3_IO_OFFSET)
#define L3_24XX_SIZE	SZ_1M		/* 44kB of 128MB used, want 1MB sect */
#define L4_24XX_PHYS	L4_24XX_BASE	/* 0x48000000 --> 0xfa000000 */
#define L4_24XX_VIRT	(L4_24XX_PHYS + OMAP2_L4_IO_OFFSET)
#define L4_24XX_SIZE	SZ_1M		/* 1MB of 128MB used, want 1MB sect */

#define L4_WK_243X_PHYS		L4_WK_243X_BASE	/* 0x49000000 --> 0xfb000000 */
#define L4_WK_243X_VIRT		(L4_WK_243X_PHYS + OMAP2_L4_IO_OFFSET)
#define L4_WK_243X_SIZE		SZ_1M
#define OMAP243X_GPMC_PHYS	OMAP243X_GPMC_BASE
#define OMAP243X_GPMC_VIRT	(OMAP243X_GPMC_PHYS + OMAP2_L3_IO_OFFSET)
						/* 0x6e000000 --> 0xfe000000 */
#define OMAP243X_GPMC_SIZE	SZ_1M
#define OMAP243X_SDRC_PHYS	OMAP243X_SDRC_BASE
						/* 0x6D000000 --> 0xfd000000 */
#define OMAP243X_SDRC_VIRT	(OMAP243X_SDRC_PHYS + OMAP2_L3_IO_OFFSET)
#define OMAP243X_SDRC_SIZE	SZ_1M
#define OMAP243X_SMS_PHYS	OMAP243X_SMS_BASE
						/* 0x6c000000 --> 0xfc000000 */
#define OMAP243X_SMS_VIRT	(OMAP243X_SMS_PHYS + OMAP2_L3_IO_OFFSET)
#define OMAP243X_SMS_SIZE	SZ_1M

/* 2420 IVA */
#define DSP_MEM_2420_PHYS	OMAP2420_DSP_MEM_BASE
						/* 0x58000000 --> 0xfc100000 */
#define DSP_MEM_2420_VIRT	0xfc100000
#define DSP_MEM_2420_SIZE	0x28000
#define DSP_IPI_2420_PHYS	OMAP2420_DSP_IPI_BASE
						/* 0x59000000 --> 0xfc128000 */
#define DSP_IPI_2420_VIRT	0xfc128000
#define DSP_IPI_2420_SIZE	SZ_4K
#define DSP_MMU_2420_PHYS	OMAP2420_DSP_MMU_BASE
						/* 0x5a000000 --> 0xfc129000 */
#define DSP_MMU_2420_VIRT	0xfc129000
#define DSP_MMU_2420_SIZE	SZ_4K

/* 2430 IVA2.1 - currently unmapped */

/*
 * ----------------------------------------------------------------------------
 * Omap3 specific IO mapping
 * ----------------------------------------------------------------------------
 */

/* We map both L3 and L4 on OMAP3 */
#define L3_34XX_PHYS		L3_34XX_BASE	/* 0x68000000 --> 0xf8000000 */
#define L3_34XX_VIRT		(L3_34XX_PHYS + OMAP2_L3_IO_OFFSET)
#define L3_34XX_SIZE		SZ_1M   /* 44kB of 128MB used, want 1MB sect */

#define L4_34XX_PHYS		L4_34XX_BASE	/* 0x48000000 --> 0xfa000000 */
#define L4_34XX_VIRT		(L4_34XX_PHYS + OMAP2_L4_IO_OFFSET)
#define L4_34XX_SIZE		SZ_4M   /* 1MB of 128MB used, want 1MB sect */

/*
 * ----------------------------------------------------------------------------
 * AM33XX specific IO mapping
 * ----------------------------------------------------------------------------
 */
#define L4_WK_AM33XX_PHYS	L4_WK_AM33XX_BASE
#define L4_WK_AM33XX_VIRT	(L4_WK_AM33XX_PHYS + AM33XX_L4_WK_IO_OFFSET)
#define L4_WK_AM33XX_SIZE	SZ_4M   /* 1MB of 128MB used, want 1MB sect */

/*
 * Need to look at the Size 4M for L4.

Annotation

Implementation Notes