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Tony Lindgren3eff8512009-10-19 17:32:58 -07001/*
2 * arch/arm/mach-omap1/include/mach/hardware.h
3 */
4
Tony Lindgren2c799ce2012-02-24 10:34:35 -08005#ifndef __MACH_HARDWARE_H
6#define __MACH_HARDWARE_H
7
8#ifndef __ASSEMBLER__
9/*
10 * NOTE: Please use ioremap + __raw_read/write where possible instead of these
11 */
12extern u8 omap_readb(u32 pa);
13extern u16 omap_readw(u32 pa);
14extern u32 omap_readl(u32 pa);
15extern void omap_writeb(u8 v, u32 pa);
16extern void omap_writew(u16 v, u32 pa);
17extern void omap_writel(u32 v, u32 pa);
18
19#include <plat/tc.h>
20
21/* Almost all documentation for chip and board memory maps assumes
22 * BM is clear. Most devel boards have a switch to control booting
23 * from NOR flash (using external chipselect 3) rather than mask ROM,
24 * which uses BM to interchange the physical CS0 and CS3 addresses.
25 */
26static inline u32 omap_cs0m_phys(void)
27{
28 return (omap_readl(EMIFS_CONFIG) & OMAP_EMIFS_CONFIG_BM)
29 ? OMAP_CS3_PHYS : 0;
30}
31
32static inline u32 omap_cs3_phys(void)
33{
34 return (omap_readl(EMIFS_CONFIG) & OMAP_EMIFS_CONFIG_BM)
35 ? 0 : OMAP_CS3_PHYS;
36}
37
38#endif
39#endif
40
Tony Lindgren3eff8512009-10-19 17:32:58 -070041#include <plat/hardware.h>