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Diffstat (limited to 'arch/arm/include/debug/sirf.S')
| -rw-r--r-- | arch/arm/include/debug/sirf.S | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/arm/include/debug/sirf.S b/arch/arm/include/debug/sirf.S new file mode 100644 index 000000000..3612c7b9c --- /dev/null +++ b/arch/arm/include/debug/sirf.S @@ -0,0 +1,40 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * arch/arm/mach-prima2/include/mach/debug-macro.S + * + * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company. + */ + +#define SIRF_LLUART_TXFIFO_STATUS 0x0114 +#define SIRF_LLUART_TXFIFO_DATA 0x0118 + +#define SIRF_LLUART_TXFIFO_FULL (1 << 5) + +#ifdef CONFIG_DEBUG_SIRFATLAS7_UART0 +#define SIRF_LLUART_TXFIFO_EMPTY (1 << 8) +#else +#define SIRF_LLUART_TXFIFO_EMPTY (1 << 6) +#endif + + + .macro addruart, rp, rv, tmp + ldr \rp, =CONFIG_DEBUG_UART_PHYS @ physical + ldr \rv, =CONFIG_DEBUG_UART_VIRT @ virtual + .endm + + .macro senduart,rd,rx + str \rd, [\rx, #SIRF_LLUART_TXFIFO_DATA] + .endm + + .macro busyuart,rd,rx + .endm + + .macro waituartcts,rd,rx + .endm + + .macro waituarttxrdy,rd,rx +1001: ldr \rd, [\rx, #SIRF_LLUART_TXFIFO_STATUS] + tst \rd, #SIRF_LLUART_TXFIFO_EMPTY + beq 1001b + .endm + |