projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| bf976b51 | 1 | /* |
| 2 | * arch/arm/plat-spear/include/plat/debug-macro.S | |
| 3 | * | |
| 4 | * Debugging macro include header for spear platform | |
| 5 | * | |
| 6 | * Copyright (C) 2009 ST Microelectronics | |
| 7 | * Viresh Kumar<viresh.kumar@st.com> | |
| 8 | * | |
| 9 | * This file is licensed under the terms of the GNU General Public | |
| 10 | * License version 2. This program is licensed "as is" without any | |
| 11 | * warranty of any kind, whether express or implied. | |
| 12 | */ | |
| 13 | ||
| 14 | #include <linux/amba/serial.h> | |
| 15 | #include <mach/spear.h> | |
| 16 | ||
| 17 | .macro addruart, rx | |
| 18 | mrc p15, 0, \rx, c1, c0 | |
| 19 | tst \rx, #1 @ MMU enabled? | |
| e6b8b3e2 JK |
20 | moveq \rx, #SPEAR_DBG_UART_BASE @ Physical base |
| 21 | movne \rx, #VA_SPEAR_DBG_UART_BASE @ Virtual base | |
| bf976b51 | 22 | .endm |
| 23 | ||
| 24 | .macro senduart, rd, rx | |
| 25 | strb \rd, [\rx, #UART01x_DR] @ ASC_TX_BUFFER | |
| 26 | .endm | |
| 27 | ||
| 28 | .macro waituart, rd, rx | |
| 29 | 1001: ldr \rd, [\rx, #UART01x_FR] @ FLAG REGISTER | |
| 30 | tst \rd, #UART01x_FR_TXFF @ TX_FULL | |
| 31 | bne 1001b | |
| 32 | .endm | |
| 33 | ||
| 34 | .macro busyuart, rd, rx | |
| 35 | 1002: ldr \rd, [\rx, #UART01x_FR] @ FLAG REGISTER | |
| 36 | tst \rd, #UART011_FR_TXFE @ TX_EMPTY | |
| 37 | beq 1002b | |
| 38 | .endm |