1 #ifndef STARTUP_INC_INCLUDED
2 #define STARTUP_INC_INCLUDED
4 #include <hwregs/asm/reg_map_asm.h>
5 #include <hwregs/asm/gio_defs_asm.h>
6 #include <hwregs/asm/pio_defs_asm.h>
7 #include <hwregs/asm/clkgen_defs_asm.h>
8 #include <hwregs/asm/pinmux_defs_asm.h>
10 .macro GIO_SET_P BITS, OUTREG
11 bmi 1f ; btstq: bit -> N flag
18 move.d CONFIG_ETRAX_DEF_GIO_PA_OUT, $r0
19 move.d REG_ADDR(gio, regi_gio, rw_pa_dout), $r1
22 move.d CONFIG_ETRAX_DEF_GIO_PA_OE, $r0
23 move.d REG_ADDR(gio, regi_gio, rw_pa_oe), $r1
26 move.d CONFIG_ETRAX_DEF_GIO_PB_OUT, $r0
27 move.d REG_ADDR(gio, regi_gio, rw_pb_dout), $r1
30 move.d CONFIG_ETRAX_DEF_GIO_PB_OE, $r0
31 move.d REG_ADDR(gio, regi_gio, rw_pb_oe), $r1
34 move.d CONFIG_ETRAX_DEF_GIO_PC_OUT, $r0
35 move.d REG_ADDR(gio, regi_gio, rw_pc_dout), $r1
38 move.d CONFIG_ETRAX_DEF_GIO_PC_OE, $r0
39 move.d REG_ADDR(gio, regi_gio, rw_pc_oe), $r1
42 move.d 0xFFFFFFFF, $r0
43 move.d REG_ADDR(pinmux, regi_pinmux, rw_gio_pa), $r1
45 move.d REG_ADDR(pinmux, regi_pinmux, rw_gio_pc), $r1
48 ;; If eth_mdio, eth, geth bits are set in hwprot, don't
49 ;; set them to gpio, as this means they have been configured
50 ;; earlier and shouldn't be changed.
51 move.d 0xFC000000, $r2 ; pins 25..0 are eth_mdio, eth, geth
52 move.d REG_ADDR(pinmux, regi_pinmux, rw_hwprot), $r1
54 btstq REG_BIT(pinmux, rw_hwprot, eth), $r0
55 GIO_SET_P 0x00FFFF00, $r2 ;; pins 8..23 are eth
56 btstq REG_BIT(pinmux, rw_hwprot, eth_mdio), $r0
57 GIO_SET_P 0x03000000, $r2 ;; pins 24..25 are eth_mdio
58 btstq REG_BIT(pinmux, rw_hwprot, geth), $r0
59 GIO_SET_P 0x000000FF, $r2 ;; pins 0..7 are geth
60 move.d REG_ADDR(pinmux, regi_pinmux, rw_gio_pb), $r1
65 move.d REG_ADDR(clkgen, regi_clkgen, rw_clk_ctrl), $r1
67 or.d REG_STATE(clkgen, rw_clk_ctrl, cpu, yes) | \
68 REG_STATE(clkgen, rw_clk_ctrl, ddr2, yes) | \
69 REG_STATE(clkgen, rw_clk_ctrl, memarb_bar_ddr, yes), $r0
73 .macro SETUP_WAIT_STATES
74 move.d REG_ADDR(pio, regi_pio, rw_ce0_cfg), $r0
75 move.d CONFIG_ETRAX_PIO_CE0_CFG, $r1
77 move.d REG_ADDR(pio, regi_pio, rw_ce1_cfg), $r0
78 move.d CONFIG_ETRAX_PIO_CE1_CFG, $r1
80 move.d REG_ADDR(pio, regi_pio, rw_ce2_cfg), $r0
81 move.d CONFIG_ETRAX_PIO_CE2_CFG, $r1