summaryrefslogtreecommitdiff
path: root/board/Marvell/common/misc.S
diff options
context:
space:
mode:
Diffstat (limited to 'board/Marvell/common/misc.S')
-rw-r--r--board/Marvell/common/misc.S235
1 files changed, 0 insertions, 235 deletions
diff --git a/board/Marvell/common/misc.S b/board/Marvell/common/misc.S
deleted file mode 100644
index b3a089803a..0000000000
--- a/board/Marvell/common/misc.S
+++ /dev/null
@@ -1,235 +0,0 @@
-#include <config.h>
-#include <74xx_7xx.h>
-#include "version.h"
-
-#include <ppc_asm.tmpl>
-#include <ppc_defs.h>
-
-#include <asm/cache.h>
-#include <asm/mmu.h>
-
-#include "../include/mv_gen_reg.h"
-
-#ifdef CONFIG_ECC
- /* Galileo specific asm code for initializing ECC */
- .globl board_relocate_rom
-board_relocate_rom:
- mflr r7
- /* update the location of the GT registers */
- lis r11, CONFIG_SYS_GT_REGS@h
- /* if we're using ECC, we must use the DMA engine to copy ourselves */
- bl start_idma_transfer_0
- bl wait_for_idma_0
- bl stop_idma_engine_0
-
- mtlr r7
- blr
-
- .globl board_init_ecc
-board_init_ecc:
- mflr r7
- /* NOTE: r10 still contains the location we've been relocated to
- * which happens to be TOP_OF_RAM - CONFIG_SYS_MONITOR_LEN */
-
- /* now that we're running from ram, init the rest of main memory
- * for ECC use */
- lis r8, CONFIG_SYS_MONITOR_LEN@h
- ori r8, r8, CONFIG_SYS_MONITOR_LEN@l
-
- divw r3, r10, r8
-
- /* set up the counter, and init the starting address */
- mtctr r3
- li r12, 0
-
- /* bytes per transfer */
- mr r5, r8
-about_to_init_ecc:
-1: mr r3, r12
- mr r4, r12
- bl start_idma_transfer_0
- bl wait_for_idma_0
- bl stop_idma_engine_0
- add r12, r12, r8
- bdnz 1b
-
- mtlr r7
- blr
-
- /* r3: dest addr
- * r4: source addr
- * r5: byte count
- * r11: gt regbase
- * trashes: r6, r5
- */
-start_idma_transfer_0:
- /* set the byte count, including the OWN bit */
- mr r6, r11
- ori r6, r6, CHANNEL0_DMA_BYTE_COUNT
- stwbrx r5, 0, (r6)
-
- /* set the source address */
- mr r6, r11
- ori r6, r6, CHANNEL0_DMA_SOURCE_ADDRESS
- stwbrx r4, 0, (r6)
-
- /* set the dest address */
- mr r6, r11
- ori r6, r6, CHANNEL0_DMA_DESTINATION_ADDRESS
- stwbrx r3, 0, (r6)
-
- /* set the next record pointer */
- li r5, 0
- mr r6, r11
- ori r6, r6, CHANNEL0NEXT_RECORD_POINTER
- stwbrx r5, 0, (r6)
-
- /* set the low control register */
- /* bit 9 is NON chained mode, bit 31 is new style descriptors.
- bit 12 is channel enable */
- ori r5, r5, (1 << 12) | (1 << 12) | (1 << 11)
- /* 15 shifted by 16 (oris) == bit 31 */
- oris r5, r5, (1 << 15)
- mr r6, r11
- ori r6, r6, CHANNEL0CONTROL
- stwbrx r5, 0, (r6)
-
- blr
-
- /* this waits for the bytecount to return to zero, indicating
- * that the trasfer is complete */
-wait_for_idma_0:
- mr r5, r11
- lis r6, 0xff
- ori r6, r6, 0xffff
- ori r5, r5, CHANNEL0_DMA_BYTE_COUNT
-1: lwbrx r4, 0, (r5)
- and. r4, r4, r6
- bne 1b
-
- blr
-
- /* this turns off channel 0 of the idma engine */
-stop_idma_engine_0:
- /* shut off the DMA engine */
- li r5, 0
- mr r6, r11
- ori r6, r6, CHANNEL0CONTROL
- stwbrx r5, 0, (r6)
-
- blr
-#endif
-
-#ifdef CONFIG_SYS_BOARD_ASM_INIT
- /* NOTE: trashes r3-r7 */
- .globl board_asm_init
-board_asm_init:
- /* just move the GT registers to where they belong */
- lis r3, CONFIG_SYS_DFL_GT_REGS@h
- ori r3, r3, CONFIG_SYS_DFL_GT_REGS@l
- lis r4, CONFIG_SYS_GT_REGS@h
- ori r4, r4, CONFIG_SYS_GT_REGS@l
- li r5, INTERNAL_SPACE_DECODE
-
- /* test to see if we've already moved */
- lwbrx r6, r5, r4
- andi. r6, r6, 0xffff
- /* check loading of R7 is: 0x0F80 should: 0xf800: DONE */
-/* rlwinm r7, r4, 8, 16, 31
- rlwinm r7, r4, 12, 16, 31 */ /* original */
- rlwinm r7, r4, 16, 16, 31
- /* -----------------------------------------------------*/
- cmp cr0, r7, r6
- beqlr
-
- /* nope, have to move the registers */
- lwbrx r6, r5, r3
- andis. r6, r6, 0xffff
- or r6, r6, r7
- stwbrx r6, r5, r3
-
- /* now, poll for the change */
-1: lwbrx r7, r5, r4
- cmp cr0, r7, r6
- bne 1b
-
- /* done! */
- blr
-#endif
-
-/* For use of the debug LEDs */
- .global led_on0_relocated
-led_on0_relocated:
- xor r21, r21, r21
- xor r18, r18, r18
- lis r18, 0xFC80
- ori r18, r18, 0x8000
- stw r21, 0x0(r18)
-/* stw r18, 0x0(r18) */
- sync
- blr
-
- .global led_off0_relocated
-led_off0_relocated:
- xor r21, r21, r21
- xor r18, r18, r18
- lis r18, 0xFC81
- ori r18, r18, 0x4000
- stw r21, 0x0(r18)
-/* stw r18, 0x0(r18) */
- sync
- blr
-
- .global led_on0
-led_on0:
- xor r18, r18, r18
- lis r18, 0x1c80
- ori r18, r18, 0x8000
- stw r18, 0x0(r18)
- sync
- blr
-
- .global led_off0
-led_off0:
- xor r18, r18, r18
- lis r18, 0x1c81
- ori r18, r18, 0x4000
- stw r18, 0x0(r18)
- sync
- blr
-
- .global led_on1
-led_on1:
- xor r18, r18, r18
- lis r18, 0x1c80
- ori r18, r18, 0xc000
- stw r18, 0x0(r18)
- sync
- blr
-
- .global led_off1
-led_off1:
- xor r18, r18, r18
- lis r18, 0x1c81
- ori r18, r18, 0x8000
- stw r18, 0x0(r18)
- sync
- blr
-
- .global led_on2
-led_on2:
- xor r18, r18, r18
- lis r18, 0x1c81
- ori r18, r18, 0x0000
- stw r18, 0x0(r18)
- sync
- blr
-
- .global led_off2
-led_off2:
- xor r18, r18, r18
- lis r18, 0x1c81
- ori r18, r18, 0xc000
- stw r18, 0x0(r18)
- sync
- blr