1 files changed, 73 insertions, 0 deletions

diff --git a/arch/arm/plat-mxc/include/mach/debug-macro.S b/arch/arm/plat-mxc/include/mach/debug-macro.S
new file mode 100644
index 00000000000..e4dde91f023
--- /dev/null
+++ b/arch/arm/plat-mxc/include/mach/debug-macro.S
@@ -0,0 +1,73 @@
+/* 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.
+ *
+ */
+#include <mach/hardware.h>
+
+#ifdef CONFIG_SOC_IMX1
+#define UART_PADDR      MX1_UART1_BASE_ADDR
+#endif
+
+#ifdef CONFIG_SOC_IMX25
+#ifdef UART_PADDR
+#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
+#endif
+#define UART_PADDR      MX25_UART1_BASE_ADDR
+#endif
+
+#if defined(CONFIG_SOC_IMX21) || defined (CONFIG_SOC_IMX27)
+#ifdef UART_PADDR
+#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
+#endif
+#define UART_PADDR      MX2x_UART1_BASE_ADDR
+#endif
+
+#if defined(CONFIG_SOC_IMX31) || defined(CONFIG_SOC_IMX35)
+#ifdef UART_PADDR
+#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
+#endif
+#define UART_PADDR      MX3x_UART1_BASE_ADDR
+#endif
+
+#ifdef CONFIG_SOC_IMX51
+#ifdef UART_PADDR
+#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
+#endif
+#define UART_PADDR      MX51_UART1_BASE_ADDR
+#endif
+
+/* iMX50/53 have same addresses, but not iMX51 */
+#if defined(CONFIG_SOC_IMX50) || defined(CONFIG_SOC_IMX53)
+#ifdef UART_PADDR
+#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
+#endif
+#define UART_PADDR      MX53_UART1_BASE_ADDR
+#endif
+
+#define UART_VADDR      IMX_IO_ADDRESS(UART_PADDR)
+
+                .macro  addruart, rp, rv
+                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