2 * arch/arm/plat-omap/include/mach/io.h
4 * IO definitions for TI OMAP processors and boards
6 * Copied from arch/arm/mach-sa1100/include/mach/io.h
7 * Copyright (C) 1997-1999 Russell King
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the
11 * Free Software Foundation; either version 2 of the License, or (at your
12 * option) any later version.
14 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
15 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
16 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
17 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
20 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
21 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 * You should have received a copy of the GNU General Public License along
26 * with this program; if not, write to the Free Software Foundation, Inc.,
27 * 675 Mass Ave, Cambridge, MA 02139, USA.
30 * 06-12-1997 RMK Created.
31 * 07-04-1999 RMK Major cleanup
34 #ifndef __ASM_ARM_ARCH_IO_H
35 #define __ASM_ARM_ARCH_IO_H
37 #include <mach/hardware.h>
39 #define IO_SPACE_LIMIT 0xffffffff
42 * We don't actually have real ISA nor PCI buses, but there is so many
43 * drivers out there that might just work if we fake them...
45 #define __io(a) __typesafe_io(a)
46 #define __mem_pci(a) (a)
49 * ----------------------------------------------------------------------------
51 * ----------------------------------------------------------------------------
54 #if defined(CONFIG_ARCH_OMAP1)
56 #define IO_PHYS 0xFFFB0000
57 #define IO_OFFSET 0x01000000 /* Virtual IO = 0xfefb0000 */
58 #define IO_SIZE 0x40000
59 #define IO_VIRT (IO_PHYS - IO_OFFSET)
60 #define __IO_ADDRESS(pa) ((pa) - IO_OFFSET)
61 #define __OMAP1_IO_ADDRESS(pa) ((pa) - IO_OFFSET)
62 #define io_v2p(va) ((va) + IO_OFFSET)
64 #elif defined(CONFIG_ARCH_OMAP2)
66 /* We map both L3 and L4 on OMAP2 */
67 #define L3_24XX_PHYS L3_24XX_BASE /* 0x68000000 */
68 #define L3_24XX_VIRT 0xf8000000
69 #define L3_24XX_SIZE SZ_1M /* 44kB of 128MB used, want 1MB sect */
70 #define L4_24XX_PHYS L4_24XX_BASE /* 0x48000000 */
71 #define L4_24XX_VIRT 0xd8000000
72 #define L4_24XX_SIZE SZ_1M /* 1MB of 128MB used, want 1MB sect */
74 #define L4_WK_243X_PHYS L4_WK_243X_BASE /* 0x49000000 */
75 #define L4_WK_243X_VIRT 0xd9000000
76 #define L4_WK_243X_SIZE SZ_1M
77 #define OMAP243X_GPMC_PHYS OMAP243X_GPMC_BASE /* 0x49000000 */
78 #define OMAP243X_GPMC_VIRT 0xFE000000
79 #define OMAP243X_GPMC_SIZE SZ_1M
80 #define OMAP243X_SDRC_PHYS OMAP243X_SDRC_BASE
81 #define OMAP243X_SDRC_VIRT 0xFD000000
82 #define OMAP243X_SDRC_SIZE SZ_1M
83 #define OMAP243X_SMS_PHYS OMAP243X_SMS_BASE
84 #define OMAP243X_SMS_VIRT 0xFC000000
85 #define OMAP243X_SMS_SIZE SZ_1M
87 #define IO_OFFSET 0x90000000
88 #define __IO_ADDRESS(pa) ((pa) + IO_OFFSET) /* Works for L3 and L4 */
89 #define __OMAP2_IO_ADDRESS(pa) ((pa) + IO_OFFSET) /* Works for L3 and L4 */
90 #define io_v2p(va) ((va) - IO_OFFSET) /* Works for L3 and L4 */
93 #define DSP_MEM_24XX_PHYS OMAP2420_DSP_MEM_BASE /* 0x58000000 */
94 #define DSP_MEM_24XX_VIRT 0xe0000000
95 #define DSP_MEM_24XX_SIZE 0x28000
96 #define DSP_IPI_24XX_PHYS OMAP2420_DSP_IPI_BASE /* 0x59000000 */
97 #define DSP_IPI_24XX_VIRT 0xe1000000
98 #define DSP_IPI_24XX_SIZE SZ_4K
99 #define DSP_MMU_24XX_PHYS OMAP2420_DSP_MMU_BASE /* 0x5a000000 */
100 #define DSP_MMU_24XX_VIRT 0xe2000000
101 #define DSP_MMU_24XX_SIZE SZ_4K
103 #elif defined(CONFIG_ARCH_OMAP3)
105 /* We map both L3 and L4 on OMAP3 */
106 #define L3_34XX_PHYS L3_34XX_BASE /* 0x68000000 */
107 #define L3_34XX_VIRT 0xf8000000
108 #define L3_34XX_SIZE SZ_1M /* 44kB of 128MB used, want 1MB sect */
110 #define L4_34XX_PHYS L4_34XX_BASE /* 0x48000000 */
111 #define L4_34XX_VIRT 0xd8000000
112 #define L4_34XX_SIZE SZ_4M /* 1MB of 128MB used, want 1MB sect */
115 * Need to look at the Size 4M for L4.
116 * VPOM3430 was not working for Int controller
119 #define L4_WK_34XX_PHYS L4_WK_34XX_BASE /* 0x48300000 */
120 #define L4_WK_34XX_VIRT 0xd8300000
121 #define L4_WK_34XX_SIZE SZ_1M
123 #define L4_PER_34XX_PHYS L4_PER_34XX_BASE /* 0x49000000 */
124 #define L4_PER_34XX_VIRT 0xd9000000
125 #define L4_PER_34XX_SIZE SZ_1M
127 #define L4_EMU_34XX_PHYS L4_EMU_34XX_BASE /* 0x54000000 */
128 #define L4_EMU_34XX_VIRT 0xe4000000
129 #define L4_EMU_34XX_SIZE SZ_64M
131 #define OMAP34XX_GPMC_PHYS OMAP34XX_GPMC_BASE /* 0x6E000000 */
132 #define OMAP34XX_GPMC_VIRT 0xFE000000
133 #define OMAP34XX_GPMC_SIZE SZ_1M
135 #define OMAP343X_SMS_PHYS OMAP343X_SMS_BASE /* 0x6C000000 */
136 #define OMAP343X_SMS_VIRT 0xFC000000
137 #define OMAP343X_SMS_SIZE SZ_1M
139 #define OMAP343X_SDRC_PHYS OMAP343X_SDRC_BASE /* 0x6D000000 */
140 #define OMAP343X_SDRC_VIRT 0xFD000000
141 #define OMAP343X_SDRC_SIZE SZ_1M
144 #define IO_OFFSET 0x90000000
145 #define __IO_ADDRESS(pa) ((pa) + IO_OFFSET)/* Works for L3 and L4 */
146 #define __OMAP2_IO_ADDRESS(pa) ((pa) + IO_OFFSET)/* Works for L3 and L4 */
147 #define io_v2p(va) ((va) - IO_OFFSET)/* Works for L3 and L4 */
150 #define DSP_MEM_34XX_PHYS OMAP34XX_DSP_MEM_BASE /* 0x58000000 */
151 #define DSP_MEM_34XX_VIRT 0xe0000000
152 #define DSP_MEM_34XX_SIZE 0x28000
153 #define DSP_IPI_34XX_PHYS OMAP34XX_DSP_IPI_BASE /* 0x59000000 */
154 #define DSP_IPI_34XX_VIRT 0xe1000000
155 #define DSP_IPI_34XX_SIZE SZ_4K
156 #define DSP_MMU_34XX_PHYS OMAP34XX_DSP_MMU_BASE /* 0x5a000000 */
157 #define DSP_MMU_34XX_VIRT 0xe2000000
158 #define DSP_MMU_34XX_SIZE SZ_4K
162 #define IO_ADDRESS(pa) IOMEM(__IO_ADDRESS(pa))
163 #define OMAP1_IO_ADDRESS(pa) IOMEM(__OMAP1_IO_ADDRESS(pa))
164 #define OMAP2_IO_ADDRESS(pa) IOMEM(__OMAP2_IO_ADDRESS(pa))
169 #define IOMEM(x) ((void __force __iomem *)(x))
172 * Functions to access the OMAP IO region
174 * NOTE: - Use omap_read/write[bwl] for physical register addresses
175 * - Use __raw_read/write[bwl]() for virtual register addresses
176 * - Use IO_ADDRESS(phys_addr) to convert registers to virtual addresses
177 * - DO NOT use hardcoded virtual addresses to allow changing the
178 * IO address space again if needed
180 #define omap_readb(a) __raw_readb(IO_ADDRESS(a))
181 #define omap_readw(a) __raw_readw(IO_ADDRESS(a))
182 #define omap_readl(a) __raw_readl(IO_ADDRESS(a))
184 #define omap_writeb(v,a) __raw_writeb(v, IO_ADDRESS(a))
185 #define omap_writew(v,a) __raw_writew(v, IO_ADDRESS(a))
186 #define omap_writel(v,a) __raw_writel(v, IO_ADDRESS(a))
188 extern void omap1_map_common_io(void);
189 extern void omap1_init_common_hw(void);
191 extern void omap2_map_common_io(void);
192 extern void omap2_init_common_hw(void);
194 #define __arch_ioremap(p,s,t) omap_ioremap(p,s,t)
195 #define __arch_iounmap(v) omap_iounmap(v)
197 void __iomem
*omap_ioremap(unsigned long phys
, size_t size
, unsigned int type
);
198 void omap_iounmap(volatile void __iomem
*addr
);