CRIS: Drop support for the CRIS port

[linux-2.6-block.git] / arch / cris / boot / rescue / kimagerescue.S

diff --git a/arch/cris/boot/rescue/kimagerescue.S b/arch/cris/boot/rescue/kimagerescue.S
deleted file mode 100644 (file)
index 3306098..0000000
--- a/arch/cris/boot/rescue/kimagerescue.S
+++ /dev/null
@@ -1,142 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Rescue code to be prepended on a kimage and copied to the
- * rescue serial port.
- * This is called from the rescue code, it will copy received data to
- * 4004000 and after a timeout jump to it.
- */
-
-#define ASSEMBLER_MACROS_ONLY
-#include <arch/sv_addr_ag.h>
-
-#define CODE_START 0x40004000
-#define CODE_LENGTH 784
-#define TIMEOUT_VALUE 1000
-
-
-#ifdef CONFIG_ETRAX_RESCUE_SER0
-#define SERXOFF R_SERIAL0_XOFF
-#define SERBAUD R_SERIAL0_BAUD
-#define SERRECC R_SERIAL0_REC_CTRL
-#define SERRDAT R_SERIAL0_REC_DATA
-#define SERSTAT R_SERIAL0_STATUS
-#endif
-#ifdef CONFIG_ETRAX_RESCUE_SER1
-#define SERXOFF R_SERIAL1_XOFF
-#define SERBAUD R_SERIAL1_BAUD
-#define SERRECC R_SERIAL1_REC_CTRL
-#define SERRDAT R_SERIAL1_REC_DATA
-#define SERSTAT R_SERIAL1_STATUS
-#endif
-#ifdef CONFIG_ETRAX_RESCUE_SER2
-#define SERXOFF R_SERIAL2_XOFF
-#define SERBAUD R_SERIAL2_BAUD
-#define SERRECC R_SERIAL2_REC_CTRL
-#define SERRDAT R_SERIAL2_REC_DATA
-#define SERSTAT R_SERIAL2_STATUS
-#endif
-#ifdef CONFIG_ETRAX_RESCUE_SER3
-#define SERXOFF R_SERIAL3_XOFF
-#define SERBAUD R_SERIAL3_BAUD
-#define SERRECC R_SERIAL3_REC_CTRL
-#define SERRDAT R_SERIAL3_REC_DATA
-#define SERSTAT R_SERIAL3_STATUS
-#endif
-
-       .text
-       ;; This is the entry point of the rescue code
-       ;; 0x80000000 if loaded in flash (as it should be)
-       ;; since etrax actually starts at address 2 when booting from flash, we
-       ;; put a nop (2 bytes) here first so we dont accidentally skip the di
-
-       nop
-       di
-       ;; setup port PA and PB default initial directions and data
-       ;; (so we can flash LEDs, and so that DTR and others are set)
-
-       move.b  CONFIG_ETRAX_DEF_R_PORT_PA_DIR, $r0
-       move.b  $r0, [R_PORT_PA_DIR]
-       move.b  CONFIG_ETRAX_DEF_R_PORT_PA_DATA, $r0
-       move.b  $r0, [R_PORT_PA_DATA]
-
-       move.b  CONFIG_ETRAX_DEF_R_PORT_PB_DIR, $r0
-       move.b  $r0, [R_PORT_PB_DIR]
-       move.b  CONFIG_ETRAX_DEF_R_PORT_PB_DATA, $r0
-       move.b  $r0, [R_PORT_PB_DATA]
-
-       ;; We need to setup the bus registers before we start using the DRAM
-#include "../../lib/dram_init.S"
-
-       ;; Setup the stack to a suitably high address.
-       ;; We assume 8 MB is the minimum DRAM in an eLinux
-       ;; product and put the sp at the top for now.
-
-       move.d  0x40800000, $sp
-
-       ;; setup the serial port at 115200 baud
-
-       moveq   0, $r0
-       move.d  $r0, [SERXOFF]
-
-       move.b  0x99, $r0
-       move.b  $r0, [SERBAUD]          ; 115.2kbaud for both transmit
-                                       ; and receive
-
-       move.b  0x40, $r0               ; rec enable
-       move.b  $r0, [SERRECC]
-
-
-       moveq   0, $r1                  ; "timer" to clock out a LED red flash
-       move.d  CODE_START, $r3         ; destination counter
-       move.d  CODE_LENGTH, $r4        ; length
-       move.d  TIMEOUT_VALUE, $r5      ; "timeout" until jump
-
-wait_ser:
-       addq    1, $r1
-       subq    1, $r5                  ; decrease timeout
-       beq     jump_start              ; timed out
-       nop
-#ifndef CONFIG_ETRAX_NO_LEDS
-#ifdef CONFIG_ETRAX_PA_LEDS
-       move.b  CONFIG_ETRAX_DEF_R_PORT_PA_DATA, $r2
-#endif
-#ifdef CONFIG_ETRAX_PB_LEDS
-       move.b  CONFIG_ETRAX_DEF_R_PORT_PB_DATA, $r2
-#endif
-       move.d  (1 << CONFIG_ETRAX_LED1R) | (1 << CONFIG_ETRAX_LED2R), $r0
-       btstq   16, $r1
-       bpl     1f
-       nop
-       or.d    $r0, $r2                ; set bit
-       ba      2f
-       nop
-1:     not     $r0                     ; clear bit
-       and.d   $r0, $r2
-2:
-#ifdef CONFIG_ETRAX_PA_LEDS
-       move.b  $r2, [R_PORT_PA_DATA]
-#endif
-#ifdef CONFIG_ETRAX_PB_LEDS
-       move.b  $r2, [R_PORT_PB_DATA]
-#endif
-#endif
-
-       ;; check if we got something on the serial port
-
-       move.b  [SERSTAT], $r0
-       btstq   0, $r0                  ; data_avail
-       bpl     wait_ser
-       nop
-
-       ;; got something - copy the byte and loop
-
-       move.b  [SERRDAT], $r0
-       move.b  $r0, [$r3+]
-       move.d  TIMEOUT_VALUE, $r5      ; reset "timeout"
-       subq    1, $r4                  ; decrease length
-       bne     wait_ser
-       nop
-jump_start:
-       ;; jump into downloaded code
-
-       jump    CODE_START