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| author | Kevin | 2014-11-15 09:58:27 +0800 |
|---|---|---|
| committer | Kevin | 2014-11-15 09:58:27 +0800 |
| commit | 392e8802486cb573b916e746010e141a75f507e6 (patch) | |
| tree | 50029aca02c81f087b90336e670b44e510782330 /ANDROID_3.4.5/arch/arm/plat-spear/include/plat/debug-macro.S | |
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init android origin source code
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/plat-spear/include/plat/debug-macro.S')
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/plat-spear/include/plat/debug-macro.S | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/arch/arm/plat-spear/include/plat/debug-macro.S b/ANDROID_3.4.5/arch/arm/plat-spear/include/plat/debug-macro.S new file mode 100644 index 00000000..02b160a1 --- /dev/null +++ b/ANDROID_3.4.5/arch/arm/plat-spear/include/plat/debug-macro.S @@ -0,0 +1,36 @@ +/* + * arch/arm/plat-spear/include/plat/debug-macro.S + * + * Debugging macro include header for spear platform + * + * Copyright (C) 2009 ST Microelectronics + * Viresh Kumar<viresh.kumar@st.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/amba/serial.h> +#include <mach/hardware.h> + + .macro addruart, rp, rv, tmp + mov \rp, #SPEAR_DBG_UART_BASE @ Physical base + mov \rv, #VA_SPEAR_DBG_UART_BASE @ Virtual base + .endm + + .macro senduart, rd, rx + strb \rd, [\rx, #UART01x_DR] @ ASC_TX_BUFFER + .endm + + .macro waituart, rd, rx +1001: ldr \rd, [\rx, #UART01x_FR] @ FLAG REGISTER + tst \rd, #UART01x_FR_TXFF @ TX_FULL + bne 1001b + .endm + + .macro busyuart, rd, rx +1002: ldr \rd, [\rx, #UART01x_FR] @ FLAG REGISTER + tst \rd, #UART011_FR_TXFE @ TX_EMPTY + beq 1002b + .endm |