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-rw-r--r--arch/arm/include/asm/dma-mapping.h7
-rw-r--r--arch/arm/include/debug/imx.S62
2 files changed, 62 insertions, 7 deletions
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index 23004847bb0..8ea02ac3ec1 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -211,13 +211,6 @@ static inline void dma_free_writecombine(struct device *dev, size_t size,
extern void __init init_dma_coherent_pool_size(unsigned long size);
/*
- * This can be called during boot to increase the size of the consistent
- * DMA region above it's default value of 2MB. It must be called before the
- * memory allocator is initialised, i.e. before any core_initcall.
- */
-static inline void init_consistent_dma_size(unsigned long size) { }
-
-/*
* For SA-1111, IXP425, and ADI systems the dma-mapping functions are "magic"
* and utilize bounce buffers as needed to work around limited DMA windows.
*
diff --git a/arch/arm/include/debug/imx.S b/arch/arm/include/debug/imx.S
new file mode 100644
index 00000000000..0b65d792f66
--- /dev/null
+++ b/arch/arm/include/debug/imx.S
@@ -0,0 +1,62 @@
+/* arch/arm/mach-imx/include/mach/debug-macro.S
+ *
+ * Debugging macro include header
+ *
+ * Copyright (C) 1994-1999 Russell King
+ * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
+ *
+ * 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.
+ *
+ */
+#ifdef CONFIG_DEBUG_IMX1_UART
+#define UART_PADDR 0x00206000
+#elif defined (CONFIG_DEBUG_IMX25_UART)
+#define UART_PADDR 0x43f90000
+#elif defined (CONFIG_DEBUG_IMX21_IMX27_UART)
+#define UART_PADDR 0x1000a000
+#elif defined (CONFIG_DEBUG_IMX31_IMX35_UART)
+#define UART_PADDR 0x43f90000
+#elif defined (CONFIG_DEBUG_IMX51_UART)
+#define UART_PADDR 0x73fbc000
+#elif defined (CONFIG_DEBUG_IMX50_IMX53_UART)
+#define UART_PADDR 0x53fbc000
+#elif defined (CONFIG_DEBUG_IMX6Q_UART2)
+#define UART_PADDR 0x021e8000
+#elif defined (CONFIG_DEBUG_IMX6Q_UART4)
+#define UART_PADDR 0x021f0000
+#endif
+
+/*
+ * FIXME: This is a copy of IMX_IO_P2V in hardware.h, and needs to
+ * stay sync with that. It's hard to maintain, and should be fixed
+ * globally for multi-platform build to use a fixed virtual address
+ * for low-level debug uart port across platforms.
+ */
+#define IMX_IO_P2V(x) ( \
+ (((x) & 0x80000000) >> 7) | \
+ (0xf4000000 + \
+ (((x) & 0x50000000) >> 6) + \
+ (((x) & 0x0b000000) >> 4) + \
+ (((x) & 0x000fffff))))
+
+#define UART_VADDR IMX_IO_P2V(UART_PADDR)
+
+ .macro addruart, rp, rv, tmp
+ ldr \rp, =UART_PADDR @ physical
+ ldr \rv, =UART_VADDR @ virtual
+ .endm
+
+ .macro senduart,rd,rx
+ str \rd, [\rx, #0x40] @ TXDATA
+ .endm
+
+ .macro waituart,rd,rx
+ .endm
+
+ .macro busyuart,rd,rx
+1002: ldr \rd, [\rx, #0x98] @ SR2
+ tst \rd, #1 << 3 @ TXDC
+ beq 1002b @ wait until transmit done
+ .endm