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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/arm/include/debug/clps711x.S
Initial import
Diffstat (limited to 'arch/arm/include/debug/clps711x.S')
-rw-r--r--arch/arm/include/debug/clps711x.S38
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/include/debug/clps711x.S b/arch/arm/include/debug/clps711x.S
new file mode 100644
index 000000000..abe225436
--- /dev/null
+++ b/arch/arm/include/debug/clps711x.S
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2014 Alexander Shiyan <shc_work@mail.ru>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef CONFIG_DEBUG_CLPS711X_UART2
+#define CLPS711X_UART_PADDR (0x80000000 + 0x0000)
+#define CLPS711X_UART_VADDR (0xfeff0000 + 0x0000)
+#else
+#define CLPS711X_UART_PADDR (0x80000000 + 0x1000)
+#define CLPS711X_UART_VADDR (0xfeff0000 + 0x1000)
+#endif
+
+#define SYSFLG (0x0140)
+#define SYSFLG_UBUSY (1 << 11)
+#define UARTDR (0x0480)
+
+ .macro addruart, rp, rv, tmp
+ ldr \rv, =CLPS711X_UART_VADDR
+ ldr \rp, =CLPS711X_UART_PADDR
+ .endm
+
+ .macro waituart,rd,rx
+ .endm
+
+ .macro senduart,rd,rx
+ str \rd, [\rx, #UARTDR]
+ .endm
+
+ .macro busyuart,rd,rx
+1001: ldr \rd, [\rx, #SYSFLG]
+ tst \rd, #SYSFLG_UBUSY
+ bne 1001b
+ .endm