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ARM: OMAP: Introduce omap_globals and prcm access functions for multi-omap

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New struct omap_globals contains the omap processor specific
module bases. Use omap_globals to set the various base addresses
to make detecting omap chip type simpler.

Also introduce OMAP1_IO_ADDRESS and OMAP2_IO_ADDRESS for future multi-omap
patches.

Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Tony Lindgren
2008-07-03 12:24:44 +03:00
parent e1f80bfca8
commit a58caad113
11 changed files with 149 additions and 57 deletions
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24
arch/arm/mach-omap2/control.c
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@@ -13,22 +13,21 @@
#undef DEBUG
#include <linux/kernel.h>
#include <linux/io.h>
#include <asm/io.h>
#include <asm/arch/common.h>
#include <asm/arch/control.h>
static u32 omap2_ctrl_base;
static void __iomem *omap2_ctrl_base;
#define OMAP_CTRL_REGADDR(reg) (void __iomem *)IO_ADDRESS(omap2_ctrl_base \
+ (reg))
#define OMAP_CTRL_REGADDR(reg) (omap2_ctrl_base + (reg))
void omap_ctrl_base_set(u32 base)
void __init omap2_set_globals_control(struct omap_globals *omap2_globals)
{
omap2_ctrl_base = base;
omap2_ctrl_base = omap2_globals->ctrl;
}
u32 omap_ctrl_base_get(void)
void __iomem *omap_ctrl_base_get(void)
{
return omap2_ctrl_base;
}
@@ -50,25 +49,16 @@ u32 omap_ctrl_readl(u16 offset)
void omap_ctrl_writeb(u8 val, u16 offset)
{
pr_debug("omap_ctrl_writeb: writing 0x%0x to 0x%0x\n", val,
(u32)OMAP_CTRL_REGADDR(offset));
__raw_writeb(val, OMAP_CTRL_REGADDR(offset));
}
void omap_ctrl_writew(u16 val, u16 offset)
{
pr_debug("omap_ctrl_writew: writing 0x%0x to 0x%0x\n", val,
(u32)OMAP_CTRL_REGADDR(offset));
__raw_writew(val, OMAP_CTRL_REGADDR(offset));
}
void omap_ctrl_writel(u32 val, u16 offset)
{
pr_debug("omap_ctrl_writel: writing 0x%0x to 0x%0x\n", val,
(u32)OMAP_CTRL_REGADDR(offset));
__raw_writel(val, OMAP_CTRL_REGADDR(offset));
}