diff options
Diffstat (limited to 'arch/arm/mach-msm/include/mach/debug-macro.S')
| -rw-r--r-- | arch/arm/mach-msm/include/mach/debug-macro.S | 51 |
1 files changed, 32 insertions, 19 deletions
diff --git a/arch/arm/mach-msm/include/mach/debug-macro.S b/arch/arm/mach-msm/include/mach/debug-macro.S index 2dc73ccddb11..3ffd8668c9a5 100644 --- a/arch/arm/mach-msm/include/mach/debug-macro.S +++ b/arch/arm/mach-msm/include/mach/debug-macro.S | |||
| @@ -1,6 +1,7 @@ | |||
| 1 | /* arch/arm/mach-msm7200/include/mach/debug-macro.S | 1 | /* |
| 2 | * | 2 | * |
| 3 | * Copyright (C) 2007 Google, Inc. | 3 | * Copyright (C) 2007 Google, Inc. |
| 4 | * Copyright (c) 2011, Code Aurora Forum. All rights reserved. | ||
| 4 | * Author: Brian Swetland <swetland@google.com> | 5 | * Author: Brian Swetland <swetland@google.com> |
| 5 | * | 6 | * |
| 6 | * This software is licensed under the terms of the GNU General Public | 7 | * This software is licensed under the terms of the GNU General Public |
| @@ -14,40 +15,52 @@ | |||
| 14 | * | 15 | * |
| 15 | */ | 16 | */ |
| 16 | 17 | ||
| 17 | |||
| 18 | |||
| 19 | #include <mach/hardware.h> | 18 | #include <mach/hardware.h> |
| 20 | #include <mach/msm_iomap.h> | 19 | #include <mach/msm_iomap.h> |
| 21 | 20 | ||
| 22 | #if defined(CONFIG_HAS_MSM_DEBUG_UART_PHYS) && !defined(CONFIG_MSM_DEBUG_UART_NONE) | ||
| 23 | .macro addruart, rp, rv, tmp | 21 | .macro addruart, rp, rv, tmp |
| 22 | #ifdef MSM_DEBUG_UART_PHYS | ||
| 24 | ldr \rp, =MSM_DEBUG_UART_PHYS | 23 | ldr \rp, =MSM_DEBUG_UART_PHYS |
| 25 | ldr \rv, =MSM_DEBUG_UART_BASE | 24 | ldr \rv, =MSM_DEBUG_UART_BASE |
| 25 | #endif | ||
| 26 | .endm | 26 | .endm |
| 27 | 27 | ||
| 28 | .macro senduart,rd,rx | 28 | .macro senduart, rd, rx |
| 29 | #ifdef CONFIG_MSM_HAS_DEBUG_UART_HS | ||
| 30 | @ Write the 1 character to UARTDM_TF | ||
| 31 | str \rd, [\rx, #0x70] | ||
| 32 | #else | ||
| 29 | teq \rx, #0 | 33 | teq \rx, #0 |
| 30 | strne \rd, [\rx, #0x0C] | 34 | strne \rd, [\rx, #0x0C] |
| 35 | #endif | ||
| 31 | .endm | 36 | .endm |
| 32 | 37 | ||
| 33 | .macro waituart,rd,rx | 38 | .macro waituart, rd, rx |
| 39 | #ifdef CONFIG_MSM_HAS_DEBUG_UART_HS | ||
| 40 | @ check for TX_EMT in UARTDM_SR | ||
| 41 | ldr \rd, [\rx, #0x08] | ||
| 42 | tst \rd, #0x08 | ||
| 43 | bne 1002f | ||
| 44 | @ wait for TXREADY in UARTDM_ISR | ||
| 45 | 1001: ldr \rd, [\rx, #0x14] | ||
| 46 | tst \rd, #0x80 | ||
| 47 | beq 1001b | ||
| 48 | 1002: | ||
| 49 | @ Clear TX_READY by writing to the UARTDM_CR register | ||
| 50 | mov \rd, #0x300 | ||
| 51 | str \rd, [\rx, #0x10] | ||
| 52 | @ Write 0x1 to NCF register | ||
| 53 | mov \rd, #0x1 | ||
| 54 | str \rd, [\rx, #0x40] | ||
| 55 | @ UARTDM reg. Read to induce delay | ||
| 56 | ldr \rd, [\rx, #0x08] | ||
| 57 | #else | ||
| 34 | @ wait for TX_READY | 58 | @ wait for TX_READY |
| 35 | 1001: ldr \rd, [\rx, #0x08] | 59 | 1001: ldr \rd, [\rx, #0x08] |
| 36 | tst \rd, #0x04 | 60 | tst \rd, #0x04 |
| 37 | beq 1001b | 61 | beq 1001b |
| 38 | .endm | ||
| 39 | #else | ||
| 40 | .macro addruart, rp, rv, tmp | ||
| 41 | mov \rv, #0xff000000 | ||
| 42 | orr \rv, \rv, #0x00f00000 | ||
| 43 | .endm | ||
| 44 | |||
| 45 | .macro senduart,rd,rx | ||
| 46 | .endm | ||
| 47 | |||
| 48 | .macro waituart,rd,rx | ||
| 49 | .endm | ||
| 50 | #endif | 62 | #endif |
| 63 | .endm | ||
| 51 | 64 | ||
| 52 | .macro busyuart,rd,rx | 65 | .macro busyuart, rd, rx |
| 53 | .endm | 66 | .endm |