diff options
Diffstat (limited to 'arch/cris')
| -rw-r--r-- | arch/cris/include/arch-v32/mach-a3/mach/startup.inc | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/startup.inc b/arch/cris/include/arch-v32/mach-a3/mach/startup.inc index 2f23e5e16f4..2d52bcc96ed 100644 --- a/arch/cris/include/arch-v32/mach-a3/mach/startup.inc +++ b/arch/cris/include/arch-v32/mach-a3/mach/startup.inc @@ -1,9 +1,19 @@ +#ifndef STARTUP_INC_INCLUDED +#define STARTUP_INC_INCLUDED + #include <hwregs/asm/reg_map_asm.h> #include <hwregs/asm/gio_defs_asm.h> #include <hwregs/asm/pio_defs_asm.h> #include <hwregs/asm/clkgen_defs_asm.h> #include <hwregs/asm/pinmux_defs_asm.h> + .macro GIO_SET_P BITS, OUTREG + bmi 1f ; btstq: bit -> N flag + nop + or.d \BITS, \OUTREG +1: + .endm + .macro GIO_INIT move.d CONFIG_ETRAX_DEF_GIO_PA_OUT, $r0 move.d REG_ADDR(gio, regi_gio, rw_pa_dout), $r1 @@ -32,10 +42,23 @@ move.d 0xFFFFFFFF, $r0 move.d REG_ADDR(pinmux, regi_pinmux, rw_gio_pa), $r1 move.d $r0, [$r1] - move.d REG_ADDR(pinmux, regi_pinmux, rw_gio_pb), $r1 - move.d $r0, [$r1] move.d REG_ADDR(pinmux, regi_pinmux, rw_gio_pc), $r1 move.d $r0, [$r1] + + ;; If eth_mdio, eth, geth bits are set in hwprot, don't + ;; set them to gpio, as this means they have been configured + ;; earlier and shouldn't be changed. + move.d 0xFC000000, $r2 ; pins 25..0 are eth_mdio, eth, geth + move.d REG_ADDR(pinmux, regi_pinmux, rw_hwprot), $r1 + move.d [$r1], $r0 + btstq REG_BIT(pinmux, rw_hwprot, eth), $r0 + GIO_SET_P 0x00FFFF00, $r2 ;; pins 8..23 are eth + btstq REG_BIT(pinmux, rw_hwprot, eth_mdio), $r0 + GIO_SET_P 0x03000000, $r2 ;; pins 24..25 are eth_mdio + btstq REG_BIT(pinmux, rw_hwprot, geth), $r0 + GIO_SET_P 0x000000FF, $r2 ;; pins 0..7 are geth + move.d REG_ADDR(pinmux, regi_pinmux, rw_gio_pb), $r1 + move.d $r2, [$r1] .endm .macro START_CLOCKS @@ -58,3 +81,4 @@ move.d CONFIG_ETRAX_PIO_CE2_CFG, $r1 move.d $r1, [$r0] .endm +#endif |