From 51582f282ba230178aec0226ec6098460a2a25da Mon Sep 17 00:00:00 2001 From: Uwe Hermann Date: Thu, 23 Aug 2007 10:20:40 +0000 Subject: Move code into *.c files, there's no reason to have it in header files Corresponding to flashrom svn r127 and coreboot v2 svn r2745. Signed-off-by: Uwe Hermann Acked-by: Stefan Reinauer --- 82802ab.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) (limited to '82802ab.c') diff --git a/82802ab.c b/82802ab.c index 53930ee..dc6ffbe 100644 --- a/82802ab.c +++ b/82802ab.c @@ -30,6 +30,46 @@ #include "82802ab.h" #include "debug.h" +void toggle_ready_82802ab(volatile uint8_t *dst) +{ + unsigned int i = 0; + uint8_t tmp1, tmp2; + + tmp1 = *dst & 0x40; + + while (i++ < 0xFFFFFF) { + tmp2 = *dst & 0x40; + if (tmp1 == tmp2) { + break; + } + tmp1 = tmp2; + } +} + +void data_polling_82802ab(volatile uint8_t *dst, uint8_t data) +{ + unsigned int i = 0; + uint8_t tmp; + + data &= 0x80; + + while (i++ < 0xFFFFFF) { + tmp = *dst & 0x80; + if (tmp == data) { + break; + } + } +} + +void protect_82802ab(volatile uint8_t *bios) +{ + *(volatile uint8_t *)(bios + 0x5555) = 0xAA; + *(volatile uint8_t *)(bios + 0x2AAA) = 0x55; + *(volatile uint8_t *)(bios + 0x5555) = 0xA0; + + usleep(200); +} + // I need that Berkeley bit-map printer void print_82802ab_status(uint8_t status) { -- cgit v1.1