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[ARM] S3C64XX: Add modem registers and a virtual map

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Add the modem registers and a virtual mapping for the
modem block. This is is required as there are registers
that control the LCD block that need to be saved over
suspend as well as interrupt controls.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Ben Dooks 2008-12-12 00:24:38 +00:00
parent 1264fa6f8c
commit 5b3d515fcf
3 changed files with 39 additions and 0 deletions
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3
arch/arm/mach-s3c6400/include/mach/map.h
View file

@ -52,6 +52,9 @@
#define S3C64XX_PA_VIC0 (0x71200000)
#define S3C64XX_PA_VIC1 (0x71300000)
#define S3C64XX_PA_MODEM (0x74108000)
#define S3C64XX_VA_MODEM S3C_ADDR(0x00600000)
/* place VICs close together */
#define S3C_VA_VIC0 (S3C_VA_IRQ + 0x00)
#define S3C_VA_VIC1 (S3C_VA_IRQ + 0x10000)

5
arch/arm/plat-s3c64xx/cpu.c
View file

@ -96,6 +96,11 @@ static struct map_desc s3c_iodesc[] __initdata = {
.pfn = __phys_to_pfn(S3C64XX_PA_GPIO),
.length = SZ_4K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)S3C64XX_VA_MODEM,
.pfn = __phys_to_pfn(S3C64XX_PA_MODEM),
.length = SZ_4K,
.type = MT_DEVICE,
},
};

31
arch/arm/plat-s3c64xx/include/plat/regs-modem.h Normal file
View file

@ -0,0 +1,31 @@
/* arch/arm/plat-s3c64xx/include/plat/regs-modem.h
*
* Copyright 2008 Openmoko, Inc.
* Copyright 2008 Simtec Electronics
* http://armlinux.simtec.co.uk/
* Ben Dooks <ben@simtec.co.uk>
*
* S3C64XX - modem block registers
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __PLAT_S3C64XX_REGS_MODEM_H
#define __PLAT_S3C64XX_REGS_MODEM_H __FILE__
#define S3C64XX_MODEMREG(x) (S3C64XX_VA_MODEM + (x))
#define S3C64XX_MODEM_INT2AP S3C64XX_MODEMREG(0x0)
#define S3C64XX_MODEM_INT2MODEM S3C64XX_MODEMREG(0x4)
#define S3C64XX_MODEM_MIFCON S3C64XX_MODEMREG(0x8)
#define S3C64XX_MODEM_MIFPCON S3C64XX_MODEMREG(0xC)
#define S3C64XX_MODEM_INTCLR S3C64XX_MODEMREG(0x10)
#define S3C64XX_MODEM_DMA_TXADDR S3C64XX_MODEMREG(0x14)
#define S3C64XX_MODEM_DMA_RXADDR S3C64XX_MODEMREG(0x18)
#define MIFPCON_INT2M_LEVEL (1 << 4)
#define MIFPCON_LCD_BYPASS (1 << 3)
#endif /* __PLAT_S3C64XX_REGS_MODEM_H */