| /* |
| * arch/arm/plat-ambarella/include/mach/debug-macro.S |
| * |
| * History: |
| * 2006/12/27 - [Charles Chiou] created file |
| * 2010/03/29 - [Cao Rongrong] port to BOSS |
| * 2010/11/04 - [Cao Rongrong] port to Linux-2.6.36+ |
| * |
| * Copyright (C) 2004-2009, Ambarella, Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| */ |
| |
| #include <mach/hardware.h> |
| #include <plat/uart.h> |
| |
| #define AMBA_UART_BASE_P (APB_PHYS_BASE + UART_OFFSET) |
| #define AMBA_UART_BASE_V (APB_BASE + UART_OFFSET) |
| |
| #if defined(CONFIG_AMBARELLA_DEBUG_LL_UART0) |
| .macro addruart, rp, rv, tmp |
| ldr \rp, =AMBA_UART_BASE_P |
| ldr \rv, =AMBA_UART_BASE_V |
| .endm |
| |
| .macro senduart, rd, rx |
| str \rd, [\rx, #UART_TH_OFFSET] |
| .endm |
| |
| .macro waituart, rd, rx |
| 1001: |
| ldr \rd, [\rx, #UART_LS_OFFSET] |
| tst \rd, #UART_LS_TEMT |
| beq 1001b |
| .endm |
| |
| .macro busyuart, rd, rx |
| 1002: |
| ldr \rd, [\rx, #UART_LS_OFFSET] |
| tst \rd, #UART_LS_TEMT |
| beq 1002b |
| .endm |
| #elif defined(CONFIG_DEBUG_LL_UART_NONE) |
| .macro addruart, rp, rv, tmp |
| ldr \rp, =AMBA_UART_BASE_P |
| ldr \rv, =AMBA_UART_BASE_V |
| .endm |
| |
| .macro senduart,rd,rx |
| .endm |
| |
| .macro waituart,rd,rx |
| .endm |
| |
| .macro busyuart,rd,rx |
| .endm |
| #endif |
| |
