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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /arch/arm/include/debug/clps711x.S
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/include/debug/clps711x.S')
-rw-r--r--arch/arm/include/debug/clps711x.S37
1 files changed, 37 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..a983d12a6
--- /dev/null
+++ b/arch/arm/include/debug/clps711x.S
@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2014 Alexander Shiyan <shc_work@mail.ru>
+ */
+
+#ifndef CONFIG_DEBUG_CLPS711X_UART2
+#define CLPS711X_UART_PADDR (0x80000000 + 0x0000)
+#define CLPS711X_UART_VADDR (0xfeff4000 + 0x0000)
+#else
+#define CLPS711X_UART_PADDR (0x80000000 + 0x1000)
+#define CLPS711X_UART_VADDR (0xfeff4000 + 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 waituartcts,rd,rx
+ .endm
+
+ .macro waituarttxrdy,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