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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 | ||
0ea12930 JK |
17 | .macro addruart, rp, rv |
18 | mov \rp, #SPEAR_DBG_UART_BASE @ Physical base | |
19 | mov \rv, #VA_SPEAR_DBG_UART_BASE @ Virtual base | |
bf976b51 | 20 | .endm |
21 | ||
22 | .macro senduart, rd, rx | |
23 | strb \rd, [\rx, #UART01x_DR] @ ASC_TX_BUFFER | |
24 | .endm | |
25 | ||
26 | .macro waituart, rd, rx | |
27 | 1001: ldr \rd, [\rx, #UART01x_FR] @ FLAG REGISTER | |
28 | tst \rd, #UART01x_FR_TXFF @ TX_FULL | |
29 | bne 1001b | |
30 | .endm | |
31 | ||
32 | .macro busyuart, rd, rx | |
33 | 1002: ldr \rd, [\rx, #UART01x_FR] @ FLAG REGISTER | |
34 | tst \rd, #UART011_FR_TXFE @ TX_EMPTY | |
35 | beq 1002b | |
36 | .endm |