This patch moves debug-macro.S from arm/mach-vt8500/include/mach to
arm/include/debug/vt8500.S to provide multiplatform support.
Minor style changes in code for readability.
Signed-off-by: Tony Prisk <li...@prisktech.co.nz>
---
arch/arm/Kconfig.debug | 8 +++++
arch/arm/include/debug/vt8500.S | 37 +++++++++++++++++++++++
arch/arm/mach-vt8500/include/mach/debug-macro.S | 31 -------------------
3 files changed, 45 insertions(+), 31 deletions(-)
create mode 100644 arch/arm/include/debug/vt8500.S
delete mode 100644 arch/arm/mach-vt8500/include/mach/debug-macro.S
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 661030d..bbb0a67 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -412,6 +412,13 @@ choice
of the tiles using the RS1 memory map, including all new
A-class
core tiles, FPGA-based SMMs and software models.
+ config DEBUG_VT8500_UART0
+ bool "Use UART0 on VIA/Wondermedia SoCs"
+ depends on ARCH_VT8500
+ help
+ This option selects UART0 on VIA/Wondermedia System-on-a-chip
+ devices, including VT8500, WM8505, WM8650 and WM8850.
+
config DEBUG_LL_UART_NONE
bool "No low-level debugging UART"
depends on !ARCH_MULTIPLATFORM
@@ -506,6 +513,7 @@ config DEBUG_LL_INCLUDE
default "debug/sunxi.S" if DEBUG_SUNXI_UART0 || DEBUG_SUNXI_UART1
default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT || \
DEBUG_VEXPRESS_UART0_CA9 || DEBUG_VEXPRESS_UART0_RS1
+ default "debug/vt8500.S" if DEBUG_VT8500_UART0
default "debug/tegra.S" if DEBUG_TEGRA_UART
default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1
default "mach/debug-macro.S"
diff --git a/arch/arm/include/debug/vt8500.S b/arch/arm/include/debug/vt8500.S
new file mode 100644
index 0000000..0e0ca08
--- /dev/null
+++ b/arch/arm/include/debug/vt8500.S
@@ -0,0 +1,37 @@
+/*
+ * Debugging macro include header
+ *
+ * Copyright (C) 2010 Alexey Charkov <alch...@gmail.com>
+ * Moved from arch/arm/mach-vt8500/include/mach/debug-macro.S
+ * Minor changes for readability.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#define DEBUG_LL_PHYS_BASE 0xD8000000
+#define DEBUG_LL_VIRT_BASE 0xF8000000
+#define DEBUG_LL_UART_OFFSET 0x00200000
+
+#if defined(CONFIG_DEBUG_VT8500_UART0)
+ .macro addruart, rp, rv, tmp
+ mov \rp, #DEBUG_LL_UART_OFFSET
+ orr \rv, \rp, #DEBUG_LL_VIRT_BASE
+ orr \rp, \rp, #DEBUG_LL_PHYS_BASE
+ .endm
+
+ .macro senduart,rd,rx
+ strb \rd, [\rx, #0]
+ .endm
+
+ .macro busyuart,rd,rx
+1001: ldr \rd, [\rx, #0x1c]
+ ands \rd, \rd, #0x2
+ bne 1001b
+ .endm
+
+ .macro waituart,rd,rx
+ .endm
+
+#endif
diff --git a/arch/arm/mach-vt8500/include/mach/debug-macro.S
b/arch/arm/mach-vt8500/include/mach/debug-macro.S
deleted file mode 100644
index ca292f2..0000000
--- a/arch/arm/mach-vt8500/include/mach/debug-macro.S
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * arch/arm/mach-vt8500/include/mach/debug-macro.S
- *
- * Copyright (C) 2010 Alexey Charkov <alch...@gmail.com>
- *
- * Debugging macro include header
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
-*/
-
- .macro addruart, rp, rv, tmp
- mov \rp, #0x00200000
- orr \rv, \rp, #0xf8000000
- orr \rp, \rp, #0xd8000000
- .endm
-
- .macro senduart,rd,rx
- strb \rd, [\rx, #0]
- .endm
-
- .macro busyuart,rd,rx
-1001: ldr \rd, [\rx, #0x1c]
- ands \rd, \rd, #0x2
- bne 1001b
- .endm
-
- .macro waituart,rd,rx
- .endm
--
1.7.9.5
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