projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 02c981c0 BD |
1 | /* |
| 2 | * arch/arm/mach-prima2/include/mach/debug-macro.S | |
| 3 | * | |
| 4 | * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company. | |
| 5 | * | |
| 6 | * Licensed under GPLv2 or later. | |
| 7 | */ | |
| 8 | ||
| 01ea63d9 GZ |
9 | #define SIRF_LLUART_TXFIFO_STATUS 0x0114 |
| 10 | #define SIRF_LLUART_TXFIFO_DATA 0x0118 | |
| 67bdb287 | 11 | |
| 01ea63d9 | 12 | #define SIRF_LLUART_TXFIFO_FULL (1 << 5) |
| 67bdb287 | 13 | |
| 01ea63d9 GZ |
14 | #ifdef CONFIG_DEBUG_SIRFATLAS7_UART0 |
| 15 | #define SIRF_LLUART_TXFIFO_EMPTY (1 << 8) | |
| 16 | #else | |
| 17 | #define SIRF_LLUART_TXFIFO_EMPTY (1 << 6) | |
| 18 | #endif | |
| 67bdb287 | 19 | |
| 02c981c0 | 20 | |
| 639da5ee | 21 | .macro addruart, rp, rv, tmp |
| 01ea63d9 GZ |
22 | ldr \rp, =CONFIG_DEBUG_UART_PHYS @ physical |
| 23 | ldr \rv, =CONFIG_DEBUG_UART_VIRT @ virtual | |
| 02c981c0 BD |
24 | .endm |
| 25 | ||
| 26 | .macro senduart,rd,rx | |
| 01ea63d9 | 27 | str \rd, [\rx, #SIRF_LLUART_TXFIFO_DATA] |
| 02c981c0 BD |
28 | .endm |
| 29 | ||
| 30 | .macro busyuart,rd,rx | |
| 31 | .endm | |
| 32 | ||
| 33 | .macro waituart,rd,rx | |
| 01ea63d9 GZ |
34 | 1001: ldr \rd, [\rx, #SIRF_LLUART_TXFIFO_STATUS] |
| 35 | tst \rd, #SIRF_LLUART_TXFIFO_EMPTY | |
| 02c981c0 BD |
36 | beq 1001b |
| 37 | .endm | |
| 38 |