diff options
Diffstat (limited to 'arch/arm/plat-spear/include/plat/debug-macro.S')
| -rw-r--r-- | arch/arm/plat-spear/include/plat/debug-macro.S | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/plat-spear/include/plat/debug-macro.S b/arch/arm/plat-spear/include/plat/debug-macro.S new file mode 100644 index 000000000000..1670734b7e51 --- /dev/null +++ b/arch/arm/plat-spear/include/plat/debug-macro.S @@ -0,0 +1,38 @@ +/* + * 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/spear.h> + + .macro addruart, rx + mrc p15, 0, \rx, c1, c0 + tst \rx, #1 @ MMU enabled? + moveq \rx, =SPEAR_DBG_UART_BASE @ Physical base + movne \rx, =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 |