summaryrefslogtreecommitdiff
path: root/arch/arm/plat-omap/include/mach/io.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/plat-omap/include/mach/io.h')
-rw-r--r--arch/arm/plat-omap/include/mach/io.h197
1 files changed, 197 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/include/mach/io.h b/arch/arm/plat-omap/include/mach/io.h
new file mode 100644
index 000000000000..2a30b7d88cde
--- /dev/null
+++ b/arch/arm/plat-omap/include/mach/io.h
@@ -0,0 +1,197 @@
+/*
+ * arch/arm/plat-omap/include/mach/io.h
+ *
+ * IO definitions for TI OMAP processors and boards
+ *
+ * Copied from arch/arm/mach-sa1100/include/mach/io.h
+ * Copyright (C) 1997-1999 Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * Modifications:
+ * 06-12-1997 RMK Created.
+ * 07-04-1999 RMK Major cleanup
+ */
+
+#ifndef __ASM_ARM_ARCH_IO_H
+#define __ASM_ARM_ARCH_IO_H
+
+#include <mach/hardware.h>
+
+#define IO_SPACE_LIMIT 0xffffffff
+
+/*
+ * We don't actually have real ISA nor PCI buses, but there is so many
+ * drivers out there that might just work if we fake them...
+ */
+#define __io(a) ((void __iomem *)(PCIO_BASE + (a)))
+#define __mem_pci(a) (a)
+
+/*
+ * ----------------------------------------------------------------------------
+ * I/O mapping
+ * ----------------------------------------------------------------------------
+ */
+
+#define PCIO_BASE 0
+
+#if defined(CONFIG_ARCH_OMAP1)
+
+#define IO_PHYS 0xFFFB0000
+#define IO_OFFSET 0x01000000 /* Virtual IO = 0xfefb0000 */
+#define IO_SIZE 0x40000
+#define IO_VIRT (IO_PHYS - IO_OFFSET)
+#define IO_ADDRESS(pa) ((pa) - IO_OFFSET)
+#define OMAP1_IO_ADDRESS(pa) ((pa) - IO_OFFSET)
+#define io_p2v(pa) ((pa) - IO_OFFSET)
+#define io_v2p(va) ((va) + IO_OFFSET)
+
+#elif defined(CONFIG_ARCH_OMAP2)
+
+/* We map both L3 and L4 on OMAP2 */
+#define L3_24XX_PHYS L3_24XX_BASE /* 0x68000000 */
+#define L3_24XX_VIRT 0xf8000000
+#define L3_24XX_SIZE SZ_1M /* 44kB of 128MB used, want 1MB sect */
+#define L4_24XX_PHYS L4_24XX_BASE /* 0x48000000 */
+#define L4_24XX_VIRT 0xd8000000
+#define L4_24XX_SIZE SZ_1M /* 1MB of 128MB used, want 1MB sect */
+
+#ifdef CONFIG_ARCH_OMAP2430
+#define L4_WK_243X_PHYS L4_WK_243X_BASE /* 0x49000000 */
+#define L4_WK_243X_VIRT 0xd9000000
+#define L4_WK_243X_SIZE SZ_1M
+#define OMAP243X_GPMC_PHYS OMAP243X_GPMC_BASE /* 0x49000000 */
+#define OMAP243X_GPMC_VIRT 0xFE000000
+#define OMAP243X_GPMC_SIZE SZ_1M
+#define OMAP243X_SDRC_PHYS OMAP243X_SDRC_BASE
+#define OMAP243X_SDRC_VIRT 0xFD000000
+#define OMAP243X_SDRC_SIZE SZ_1M
+#define OMAP243X_SMS_PHYS OMAP243X_SMS_BASE
+#define OMAP243X_SMS_VIRT 0xFC000000
+#define OMAP243X_SMS_SIZE SZ_1M
+
+#endif
+
+#define IO_OFFSET 0x90000000
+#define IO_ADDRESS(pa) ((pa) + IO_OFFSET) /* Works for L3 and L4 */
+#define OMAP2_IO_ADDRESS(pa) ((pa) + IO_OFFSET) /* Works for L3 and L4 */
+#define io_p2v(pa) ((pa) + IO_OFFSET) /* Works for L3 and L4 */
+#define io_v2p(va) ((va) - IO_OFFSET) /* Works for L3 and L4 */
+
+/* DSP */
+#define DSP_MEM_24XX_PHYS OMAP2420_DSP_MEM_BASE /* 0x58000000 */
+#define DSP_MEM_24XX_VIRT 0xe0000000
+#define DSP_MEM_24XX_SIZE 0x28000
+#define DSP_IPI_24XX_PHYS OMAP2420_DSP_IPI_BASE /* 0x59000000 */
+#define DSP_IPI_24XX_VIRT 0xe1000000
+#define DSP_IPI_24XX_SIZE SZ_4K
+#define DSP_MMU_24XX_PHYS OMAP2420_DSP_MMU_BASE /* 0x5a000000 */
+#define DSP_MMU_24XX_VIRT 0xe2000000
+#define DSP_MMU_24XX_SIZE SZ_4K
+
+#elif defined(CONFIG_ARCH_OMAP3)
+
+/* We map both L3 and L4 on OMAP3 */
+#define L3_34XX_PHYS L3_34XX_BASE /* 0x68000000 */
+#define L3_34XX_VIRT 0xf8000000
+#define L3_34XX_SIZE SZ_1M /* 44kB of 128MB used, want 1MB sect */
+
+#define L4_34XX_PHYS L4_34XX_BASE /* 0x48000000 */
+#define L4_34XX_VIRT 0xd8000000
+#define L4_34XX_SIZE SZ_4M /* 1MB of 128MB used, want 1MB sect */
+
+/*
+ * Need to look at the Size 4M for L4.
+ * VPOM3430 was not working for Int controller
+ */
+
+#define L4_WK_34XX_PHYS L4_WK_34XX_BASE /* 0x48300000 */
+#define L4_WK_34XX_VIRT 0xd8300000
+#define L4_WK_34XX_SIZE SZ_1M
+
+#define L4_PER_34XX_PHYS L4_PER_34XX_BASE /* 0x49000000 */
+#define L4_PER_34XX_VIRT 0xd9000000
+#define L4_PER_34XX_SIZE SZ_1M
+
+#define L4_EMU_34XX_PHYS L4_EMU_34XX_BASE /* 0x54000000 */
+#define L4_EMU_34XX_VIRT 0xe4000000
+#define L4_EMU_34XX_SIZE SZ_64M
+
+#define OMAP34XX_GPMC_PHYS OMAP34XX_GPMC_BASE /* 0x6E000000 */
+#define OMAP34XX_GPMC_VIRT 0xFE000000
+#define OMAP34XX_GPMC_SIZE SZ_1M
+
+#define OMAP343X_SMS_PHYS OMAP343X_SMS_BASE /* 0x6C000000 */
+#define OMAP343X_SMS_VIRT 0xFC000000
+#define OMAP343X_SMS_SIZE SZ_1M
+
+#define OMAP343X_SDRC_PHYS OMAP343X_SDRC_BASE /* 0x6D000000 */
+#define OMAP343X_SDRC_VIRT 0xFD000000
+#define OMAP343X_SDRC_SIZE SZ_1M
+
+
+#define IO_OFFSET 0x90000000
+#define IO_ADDRESS(pa) ((pa) + IO_OFFSET)/* Works for L3 and L4 */
+#define OMAP2_IO_ADDRESS(pa) ((pa) + IO_OFFSET)/* Works for L3 and L4 */
+#define io_p2v(pa) ((pa) + IO_OFFSET)/* Works for L3 and L4 */
+#define io_v2p(va) ((va) - IO_OFFSET)/* Works for L3 and L4 */
+
+/* DSP */
+#define DSP_MEM_34XX_PHYS OMAP34XX_DSP_MEM_BASE /* 0x58000000 */
+#define DSP_MEM_34XX_VIRT 0xe0000000
+#define DSP_MEM_34XX_SIZE 0x28000
+#define DSP_IPI_34XX_PHYS OMAP34XX_DSP_IPI_BASE /* 0x59000000 */
+#define DSP_IPI_34XX_VIRT 0xe1000000
+#define DSP_IPI_34XX_SIZE SZ_4K
+#define DSP_MMU_34XX_PHYS OMAP34XX_DSP_MMU_BASE /* 0x5a000000 */
+#define DSP_MMU_34XX_VIRT 0xe2000000
+#define DSP_MMU_34XX_SIZE SZ_4K
+
+#endif
+
+#ifndef __ASSEMBLER__
+
+/*
+ * Functions to access the OMAP IO region
+ *
+ * NOTE: - Use omap_read/write[bwl] for physical register addresses
+ * - Use __raw_read/write[bwl]() for virtual register addresses
+ * - Use IO_ADDRESS(phys_addr) to convert registers to virtual addresses
+ * - DO NOT use hardcoded virtual addresses to allow changing the
+ * IO address space again if needed
+ */
+#define omap_readb(a) (*(volatile unsigned char *)IO_ADDRESS(a))
+#define omap_readw(a) (*(volatile unsigned short *)IO_ADDRESS(a))
+#define omap_readl(a) (*(volatile unsigned int *)IO_ADDRESS(a))
+
+#define omap_writeb(v,a) (*(volatile unsigned char *)IO_ADDRESS(a) = (v))
+#define omap_writew(v,a) (*(volatile unsigned short *)IO_ADDRESS(a) = (v))
+#define omap_writel(v,a) (*(volatile unsigned int *)IO_ADDRESS(a) = (v))
+
+extern void omap1_map_common_io(void);
+extern void omap1_init_common_hw(void);
+
+extern void omap2_map_common_io(void);
+extern void omap2_init_common_hw(void);
+
+#endif
+
+#endif