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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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58d0831928
The header files describe the hardware registers available in both these chips, note that most of this documentation is automatically generated from the hardware implementation.
61 lines
1.7 KiB
PHP
61 lines
1.7 KiB
PHP
#include <hwregs/asm/reg_map_asm.h>
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#include <hwregs/asm/gio_defs_asm.h>
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#include <hwregs/asm/pio_defs_asm.h>
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#include <hwregs/asm/clkgen_defs_asm.h>
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#include <hwregs/asm/pinmux_defs_asm.h>
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.macro GIO_INIT
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move.d CONFIG_ETRAX_DEF_GIO_PA_OUT, $r0
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move.d REG_ADDR(gio, regi_gio, rw_pa_dout), $r1
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move.d $r0, [$r1]
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move.d CONFIG_ETRAX_DEF_GIO_PA_OE, $r0
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move.d REG_ADDR(gio, regi_gio, rw_pa_oe), $r1
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move.d $r0, [$r1]
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move.d CONFIG_ETRAX_DEF_GIO_PB_OUT, $r0
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move.d REG_ADDR(gio, regi_gio, rw_pb_dout), $r1
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move.d $r0, [$r1]
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move.d CONFIG_ETRAX_DEF_GIO_PB_OE, $r0
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move.d REG_ADDR(gio, regi_gio, rw_pb_oe), $r1
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move.d $r0, [$r1]
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move.d CONFIG_ETRAX_DEF_GIO_PC_OUT, $r0
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move.d REG_ADDR(gio, regi_gio, rw_pc_dout), $r1
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move.d $r0, [$r1]
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move.d CONFIG_ETRAX_DEF_GIO_PC_OE, $r0
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move.d REG_ADDR(gio, regi_gio, rw_pc_oe), $r1
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move.d $r0, [$r1]
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move.d 0xFFFFFFFF, $r0
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move.d REG_ADDR(pinmux, regi_pinmux, rw_gio_pa), $r1
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move.d $r0, [$r1]
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move.d REG_ADDR(pinmux, regi_pinmux, rw_gio_pb), $r1
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move.d $r0, [$r1]
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move.d REG_ADDR(pinmux, regi_pinmux, rw_gio_pc), $r1
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move.d $r0, [$r1]
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.endm
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.macro START_CLOCKS
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move.d REG_ADDR(clkgen, regi_clkgen, rw_clk_ctrl), $r1
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move.d [$r1], $r0
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or.d REG_STATE(clkgen, rw_clk_ctrl, cpu, yes) | \
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REG_STATE(clkgen, rw_clk_ctrl, ddr2, yes) | \
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REG_STATE(clkgen, rw_clk_ctrl, memarb_bar_ddr, yes), $r0
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move.d $r0, [$r1]
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.endm
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.macro SETUP_WAIT_STATES
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move.d REG_ADDR(pio, regi_pio, rw_ce0_cfg), $r0
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move.d CONFIG_ETRAX_PIO_CE0_CFG, $r1
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move.d $r1, [$r0]
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move.d REG_ADDR(pio, regi_pio, rw_ce1_cfg), $r0
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move.d CONFIG_ETRAX_PIO_CE1_CFG, $r1
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move.d $r1, [$r0]
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move.d REG_ADDR(pio, regi_pio, rw_ce2_cfg), $r0
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move.d CONFIG_ETRAX_PIO_CE2_CFG, $r1
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move.d $r1, [$r0]
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.endm
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