40 lines
1.0 KiB
ArmAsm
40 lines
1.0 KiB
ArmAsm
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/* $Id: head.S,v 1.4 2004/11/01 16:10:28 starvik Exp $
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*
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* This used to be the rescue code but now that is handled by the
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* RedBoot based RFL instead. Nothing to see here, move along.
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*/
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#include <linux/config.h>
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#include <asm/arch/hwregs/reg_map_asm.h>
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#include <asm/arch/hwregs/config_defs_asm.h>
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.text
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;; Start clocks for used blocks.
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move.d REG_ADDR(config, regi_config, rw_clk_ctrl), $r1
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move.d [$r1], $r0
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or.d REG_STATE(config, rw_clk_ctrl, cpu, yes) | \
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REG_STATE(config, rw_clk_ctrl, bif, yes) | \
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REG_STATE(config, rw_clk_ctrl, fix_io, yes), $r0
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move.d $r0, [$r1]
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;; Copy 68KB NAND flash to Internal RAM (if NAND boot)
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move.d 0x38004000, $r10
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move.d 0x8000, $r11
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move.d 0x11000, $r12
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move.d copy_complete, $r13
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and.d 0x000fffff, $r13
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or.d 0x38000000, $r13
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#include "../../lib/nand_init.S"
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;; No NAND found
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move.d CONFIG_ETRAX_PTABLE_SECTOR, $r10
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jump $r10 ; Jump to decompresser
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nop
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copy_complete:
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move.d 0x38000000 + CONFIG_ETRAX_PTABLE_SECTOR, $r10
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jump $r10 ; Jump to decompresser
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nop
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