40 lines
875 B
ArmAsm
40 lines
875 B
ArmAsm
/*
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* Low level initialization for the FriendlyARM mini2440 board
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*/
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#include <config.h>
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#include <mach/s3c-iomap.h>
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.section ".text_bare_init.board_init_lowlevel","ax"
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/* ------------------------------------------------------------------------ */
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.globl board_init_lowlevel
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board_init_lowlevel:
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mov r10, lr /* save the link register */
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bl s3c24x0_disable_wd
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/* skip everything here if we are already running from SDRAM */
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cmp pc, #S3C_SDRAM_BASE
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blo 1f
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cmp pc, #S3C_SDRAM_END
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bhs 1f
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mov pc, r10
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/* we are running from NOR or NAND/SRAM memory. Do further initialisation */
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1:
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bl s3c24x0_pll_init
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bl s3c24x0_sdram_init
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#ifdef CONFIG_S3C_NAND_BOOT
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mov lr, r10 /* restore the link register */
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/* up to here we are running from the internal SRAM area */
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b s3c24x0_nand_boot /* does return directly to our caller into SDRAM */
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#else
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mov pc, r10
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#endif
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