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startup.inc

#include <hwregs/asm/reg_map_asm.h>
#include <hwregs/asm/bif_core_defs_asm.h>
#include <hwregs/asm/gio_defs_asm.h>
#include <hwregs/asm/config_defs_asm.h>

      .macro GIO_INIT
      move.d      CONFIG_ETRAX_DEF_GIO_PA_OUT, $r0
      move.d      REG_ADDR(gio, regi_gio, rw_pa_dout), $r1
      move.d      $r0, [$r1]

      move.d      CONFIG_ETRAX_DEF_GIO_PA_OE, $r0
      move.d      REG_ADDR(gio, regi_gio, rw_pa_oe), $r1
      move.d      $r0, [$r1]

      move.d      CONFIG_ETRAX_DEF_GIO_PB_OUT, $r0
      move.d      REG_ADDR(gio, regi_gio, rw_pb_dout), $r1
      move.d      $r0, [$r1]

      move.d      CONFIG_ETRAX_DEF_GIO_PB_OE, $r0
      move.d      REG_ADDR(gio, regi_gio, rw_pb_oe), $r1
      move.d      $r0, [$r1]

      move.d      CONFIG_ETRAX_DEF_GIO_PC_OUT, $r0
      move.d      REG_ADDR(gio, regi_gio, rw_pc_dout), $r1
      move.d      $r0, [$r1]

      move.d      CONFIG_ETRAX_DEF_GIO_PC_OE, $r0
      move.d      REG_ADDR(gio, regi_gio, rw_pc_oe), $r1
      move.d      $r0, [$r1]

      move.d      CONFIG_ETRAX_DEF_GIO_PD_OUT, $r0
      move.d      REG_ADDR(gio, regi_gio, rw_pd_dout), $r1
      move.d      $r0, [$r1]

      move.d      CONFIG_ETRAX_DEF_GIO_PD_OE, $r0
      move.d      REG_ADDR(gio, regi_gio, rw_pd_oe), $r1
      move.d      $r0, [$r1]

      move.d      CONFIG_ETRAX_DEF_GIO_PE_OUT, $r0
      move.d      REG_ADDR(gio, regi_gio, rw_pe_dout), $r1
      move.d      $r0, [$r1]

      move.d      CONFIG_ETRAX_DEF_GIO_PE_OE, $r0
      move.d      REG_ADDR(gio, regi_gio, rw_pe_oe), $r1
      move.d      $r0, [$r1]
      .endm

      .macro START_CLOCKS
      move.d REG_ADDR(config, regi_config, rw_clk_ctrl), $r1
      move.d [$r1], $r0
      or.d   REG_STATE(config, rw_clk_ctrl, cpu, yes) | \
             REG_STATE(config, rw_clk_ctrl, bif, yes) | \
             REG_STATE(config, rw_clk_ctrl, fix_io, yes), $r0
      move.d $r0, [$r1]
      .endm

      .macro SETUP_WAIT_STATES
      ;; Set up waitstates etc
      move.d   REG_ADDR(bif_core, regi_bif_core, rw_grp1_cfg), $r0
      move.d   CONFIG_ETRAX_MEM_GRP1_CONFIG, $r1
      move.d   $r1, [$r0]
      move.d   REG_ADDR(bif_core, regi_bif_core, rw_grp2_cfg), $r0
      move.d   CONFIG_ETRAX_MEM_GRP2_CONFIG, $r1
      move.d   $r1, [$r0]
      move.d   REG_ADDR(bif_core, regi_bif_core, rw_grp3_cfg), $r0
      move.d   CONFIG_ETRAX_MEM_GRP3_CONFIG, $r1
      move.d   $r1, [$r0]
      move.d   REG_ADDR(bif_core, regi_bif_core, rw_grp4_cfg), $r0
      move.d   CONFIG_ETRAX_MEM_GRP4_CONFIG, $r1
      move.d   $r1, [$r0]
#ifdef CONFIG_ETRAX_VCS_SIM
      ;; Set up minimal flash waitstates
      move.d 0, $r10
      move.d REG_ADDR(bif_core, regi_bif_core, rw_grp1_cfg), $r11
      move.d $r10, [$r11]
#endif
      .endm

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