| Ben Dooks | dcb0902 | 2008-10-21 14:06:42 +0100 | [diff] [blame] | 1 | /* arch/arm/mach-s3c6400/include/mach/debug-macro.S |
| 2 | * |
| 3 | * Copyright 2008 Openmoko, Inc. |
| 4 | * Copyright 2008 Simtec Electronics |
| 5 | * http://armlinux.simtec.co.uk/ |
| 6 | * Ben Dooks <ben@simtec.co.uk> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License version 2 as |
| 10 | * published by the Free Software Foundation. |
| 11 | */ |
| 12 | |
| 13 | /* pull in the relevant register and map files. */ |
| 14 | |
| 15 | #include <mach/map.h> |
| 16 | #include <plat/regs-serial.h> |
| 17 | |
| 18 | /* note, for the boot process to work we have to keep the UART |
| 19 | * virtual address aligned to an 1MiB boundary for the L1 |
| 20 | * mapping the head code makes. We keep the UART virtual address |
| 21 | * aligned and add in the offset when we load the value here. |
| 22 | */ |
| 23 | |
| Tony Lindgren | 4e6d488 | 2010-02-01 23:26:53 +0100 | [diff] [blame] | 24 | .macro addruart, rx, tmp |
| Ben Dooks | dcb0902 | 2008-10-21 14:06:42 +0100 | [diff] [blame] | 25 | mrc p15, 0, \rx, c1, c0 |
| 26 | tst \rx, #1 |
| 27 | ldreq \rx, = S3C_PA_UART |
| 28 | ldrne \rx, = (S3C_VA_UART + S3C_PA_UART & 0xfffff) |
| 29 | #if CONFIG_DEBUG_S3C_UART != 0 |
| 30 | add \rx, \rx, #(0x400 * CONFIG_DEBUG_S3C_UART) |
| 31 | #endif |
| 32 | .endm |
| 33 | |
| 34 | /* include the reset of the code which will do the work, we're only |
| 35 | * compiling for a single cpu processor type so the default of s3c2440 |
| 36 | * will be fine with us. |
| 37 | */ |
| 38 | |
| 39 | #include <plat/debug-macro.S> |