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Diffstat (limited to 'arch/arm/mach-omap1/include/mach/debug-macro.S')
-rw-r--r--arch/arm/mach-omap1/include/mach/debug-macro.S101
1 files changed, 0 insertions, 101 deletions
diff --git a/arch/arm/mach-omap1/include/mach/debug-macro.S b/arch/arm/mach-omap1/include/mach/debug-macro.S
deleted file mode 100644
index 5c1a26c9f490..000000000000
--- a/arch/arm/mach-omap1/include/mach/debug-macro.S
+++ /dev/null
@@ -1,101 +0,0 @@
-/* arch/arm/mach-omap1/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 <linux/serial_reg.h>
-
-#include "serial.h"
-
- .pushsection .data
-omap_uart_phys: .word 0x0
-omap_uart_virt: .word 0x0
- .popsection
-
- /*
- * Note that this code won't work if the bootloader passes
- * a wrong machine ID number in r1. To debug, just hardcode
- * the desired UART phys and virt addresses temporarily into
- * the omap_uart_phys and omap_uart_virt above.
- */
- .macro addruart, rp, rv, tmp
-
- /* Use omap_uart_phys/virt if already configured */
-9: adr \rp, 99f @ get effective addr of 99f
- ldr \rv, [\rp] @ get absolute addr of 99f
- sub \rv, \rv, \rp @ offset between the two
- ldr \rp, [\rp, #4] @ abs addr of omap_uart_phys
- sub \tmp, \rp, \rv @ make it effective
- ldr \rp, [\tmp, #0] @ omap_uart_phys
- ldr \rv, [\tmp, #4] @ omap_uart_virt
- cmp \rp, #0 @ is port configured?
- cmpne \rv, #0
- bne 100f @ already configured
-
- /* Check the debug UART configuration set in uncompress.h */
- and \rp, pc, #0xff000000
- ldr \rv, =OMAP_UART_INFO_OFS
- ldr \rp, [\rp, \rv]
-
- /* Select the UART to use based on the UART1 scratchpad value */
-10: cmp \rp, #0 @ no port configured?
- beq 11f @ if none, try to use UART1
- cmp \rp, #OMAP1UART1
- beq 11f @ configure OMAP1UART1
- cmp \rp, #OMAP1UART2
- beq 12f @ configure OMAP1UART2
- cmp \rp, #OMAP1UART3
- beq 13f @ configure OMAP2UART3
-
- /* Configure the UART offset from the phys/virt base */
-11: mov \rp, #0x00fb0000 @ OMAP1UART1
- b 98f
-12: mov \rp, #0x00fb0000 @ OMAP1UART1
- orr \rp, \rp, #0x00000800 @ OMAP1UART2
- b 98f
-13: mov \rp, #0x00fb0000 @ OMAP1UART1
- orr \rp, \rp, #0x00000800 @ OMAP1UART2
- orr \rp, \rp, #0x00009000 @ OMAP1UART3
-
- /* Store both phys and virt address for the uart */
-98: add \rp, \rp, #0xff000000 @ phys base
- str \rp, [\tmp, #0] @ omap_uart_phys
- sub \rp, \rp, #0xff000000 @ phys base
- add \rp, \rp, #0xfe000000 @ virt base
- str \rp, [\tmp, #4] @ omap_uart_virt
- b 9b
-
- .align
-99: .word .
- .word omap_uart_phys
- .ltorg
-
-100:
- .endm
-
- .macro senduart,rd,rx
- strb \rd, [\rx]
- .endm
-
- .macro busyuart,rd,rx
-1001: ldrb \rd, [\rx, #(UART_LSR << OMAP_PORT_SHIFT)]
- and \rd, \rd, #(UART_LSR_TEMT | UART_LSR_THRE)
- teq \rd, #(UART_LSR_TEMT | UART_LSR_THRE)
- beq 1002f
- ldrb \rd, [\rx, #(UART_LSR << OMAP7XX_PORT_SHIFT)]
- and \rd, \rd, #(UART_LSR_TEMT | UART_LSR_THRE)
- teq \rd, #(UART_LSR_TEMT | UART_LSR_THRE)
- bne 1001b
-1002:
- .endm
-
- .macro waituart,rd,rx
- .endm