| Paul Walmsley | 69d88a0 | 2008-03-18 10:02:50 +0200 | [diff] [blame] | 1 | /* | 
|  | 2 | * OMAP2/3 System Control Module register access | 
|  | 3 | * | 
|  | 4 | * Copyright (C) 2007 Texas Instruments, Inc. | 
|  | 5 | * Copyright (C) 2007 Nokia Corporation | 
|  | 6 | * | 
|  | 7 | * Written by Paul Walmsley | 
|  | 8 | * | 
|  | 9 | * This program is free software; you can redistribute it and/or modify | 
|  | 10 | * it under the terms of the GNU General Public License version 2 as | 
|  | 11 | * published by the Free Software Foundation. | 
|  | 12 | */ | 
|  | 13 | #undef DEBUG | 
|  | 14 |  | 
|  | 15 | #include <linux/kernel.h> | 
| Tony Lindgren | a58caad | 2008-07-03 12:24:44 +0300 | [diff] [blame] | 16 | #include <linux/io.h> | 
| Paul Walmsley | 69d88a0 | 2008-03-18 10:02:50 +0200 | [diff] [blame] | 17 |  | 
| Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 18 | #include <mach/common.h> | 
|  | 19 | #include <mach/control.h> | 
| Paul Walmsley | 69d88a0 | 2008-03-18 10:02:50 +0200 | [diff] [blame] | 20 |  | 
| Tony Lindgren | a58caad | 2008-07-03 12:24:44 +0300 | [diff] [blame] | 21 | static void __iomem *omap2_ctrl_base; | 
| Paul Walmsley | 69d88a0 | 2008-03-18 10:02:50 +0200 | [diff] [blame] | 22 |  | 
| Tony Lindgren | a58caad | 2008-07-03 12:24:44 +0300 | [diff] [blame] | 23 | #define OMAP_CTRL_REGADDR(reg)		(omap2_ctrl_base + (reg)) | 
| Paul Walmsley | 69d88a0 | 2008-03-18 10:02:50 +0200 | [diff] [blame] | 24 |  | 
| Tony Lindgren | a58caad | 2008-07-03 12:24:44 +0300 | [diff] [blame] | 25 | void __init omap2_set_globals_control(struct omap_globals *omap2_globals) | 
| Paul Walmsley | 69d88a0 | 2008-03-18 10:02:50 +0200 | [diff] [blame] | 26 | { | 
| Tony Lindgren | a58caad | 2008-07-03 12:24:44 +0300 | [diff] [blame] | 27 | omap2_ctrl_base = omap2_globals->ctrl; | 
| Paul Walmsley | 69d88a0 | 2008-03-18 10:02:50 +0200 | [diff] [blame] | 28 | } | 
|  | 29 |  | 
| Tony Lindgren | a58caad | 2008-07-03 12:24:44 +0300 | [diff] [blame] | 30 | void __iomem *omap_ctrl_base_get(void) | 
| Paul Walmsley | 69d88a0 | 2008-03-18 10:02:50 +0200 | [diff] [blame] | 31 | { | 
|  | 32 | return omap2_ctrl_base; | 
|  | 33 | } | 
|  | 34 |  | 
|  | 35 | u8 omap_ctrl_readb(u16 offset) | 
|  | 36 | { | 
|  | 37 | return __raw_readb(OMAP_CTRL_REGADDR(offset)); | 
|  | 38 | } | 
|  | 39 |  | 
|  | 40 | u16 omap_ctrl_readw(u16 offset) | 
|  | 41 | { | 
|  | 42 | return __raw_readw(OMAP_CTRL_REGADDR(offset)); | 
|  | 43 | } | 
|  | 44 |  | 
|  | 45 | u32 omap_ctrl_readl(u16 offset) | 
|  | 46 | { | 
|  | 47 | return __raw_readl(OMAP_CTRL_REGADDR(offset)); | 
|  | 48 | } | 
|  | 49 |  | 
|  | 50 | void omap_ctrl_writeb(u8 val, u16 offset) | 
|  | 51 | { | 
| Paul Walmsley | 69d88a0 | 2008-03-18 10:02:50 +0200 | [diff] [blame] | 52 | __raw_writeb(val, OMAP_CTRL_REGADDR(offset)); | 
|  | 53 | } | 
|  | 54 |  | 
|  | 55 | void omap_ctrl_writew(u16 val, u16 offset) | 
|  | 56 | { | 
| Paul Walmsley | 69d88a0 | 2008-03-18 10:02:50 +0200 | [diff] [blame] | 57 | __raw_writew(val, OMAP_CTRL_REGADDR(offset)); | 
|  | 58 | } | 
|  | 59 |  | 
|  | 60 | void omap_ctrl_writel(u32 val, u16 offset) | 
|  | 61 | { | 
| Paul Walmsley | 69d88a0 | 2008-03-18 10:02:50 +0200 | [diff] [blame] | 62 | __raw_writel(val, OMAP_CTRL_REGADDR(offset)); | 
|  | 63 | } | 
|  | 64 |  |