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Diffstat (limited to 'arch/unicore32/kernel/debug-macro.S')
-rw-r--r--arch/unicore32/kernel/debug-macro.S86
1 files changed, 0 insertions, 86 deletions
diff --git a/arch/unicore32/kernel/debug-macro.S b/arch/unicore32/kernel/debug-macro.S
deleted file mode 100644
index 7e2da0de4f71..000000000000
--- a/arch/unicore32/kernel/debug-macro.S
+++ /dev/null
@@ -1,86 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * linux/arch/unicore32/kernel/debug-macro.S
- *
- * Code specific to PKUnity SoC and UniCore ISA
- *
- * Copyright (C) 2001-2010 GUAN Xue-tao
- *
- * Debugging macro include header
- */
-#include <generated/asm-offsets.h>
-#include <mach/hardware.h>
-
- .macro put_word_ocd, rd, rx=r16
-1001: movc \rx, p1.c0, #0
- cand.a \rx, #2
- bne 1001b
- movc p1.c1, \rd, #1
- .endm
-
-#ifdef CONFIG_DEBUG_OCD
- /* debug using UniCore On-Chip-Debugger */
- .macro addruart, rx
- .endm
-
- .macro senduart, rd, rx
- put_word_ocd \rd, \rx
- .endm
-
- .macro busyuart, rd, rx
- .endm
-
- .macro waituart, rd, rx
- .endm
-#else
-#define UART_CLK_DEFAULT 3686400 * 20
- /* Uartclk = MCLK/ 2, The MCLK on my board is 3686400 * 40 */
-#define BAUD_RATE_DEFAULT 115200
- /* The baud rate of the serial port */
-
-#define UART_DIVISOR_DEFAULT (UART_CLK_DEFAULT \
- / (16 * BAUD_RATE_DEFAULT) - 1)
-
- .macro addruart,rx
- mrc p0, #0, \rx, c1, c0
- tst \rx, #1 @ MMU enabled?
- moveq \rx, #0xee000000 @ physical base address
- movne \rx, #0x6e000000 @ virtual address
-
- @ We probe for the active serial port here
- @ However, now we assume UART0 is active: epip4d
- @ We assume r1 and r2 can be clobbered.
-
- movl r2, #UART_DIVISOR_DEFAULT
- mov r1, #0x80
- str r1, [\rx, #UART_LCR_OFFSET]
- and r1, r2, #0xff00
- mov r1, r1, lsr #8
- str r1, [\rx, #UART_DLH_OFFSET]
- and r1, r2, #0xff
- str r1, [\rx, #UART_DLL_OFFSET]
- mov r1, #0x7
- str r1, [\rx, #UART_FCR_OFFSET]
- mov r1, #0x3
- str r1, [\rx, #UART_LCR_OFFSET]
- mov r1, #0x0
- str r1, [\rx, #UART_IER_OFFSET]
- .endm
-
- .macro senduart,rd,rx
- str \rd, [\rx, #UART_THR_OFFSET]
- .endm
-
- .macro waituart,rd,rx
-1001: ldr \rd, [\rx, #UART_LSR_OFFSET]
- tst \rd, #UART_LSR_THRE
- beq 1001b
- .endm
-
- .macro busyuart,rd,rx
-1001: ldr \rd, [\rx, #UART_LSR_OFFSET]
- tst \rd, #UART_LSR_TEMT
- bne 1001b
- .endm
-#endif
-