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ppc4xx: Improve video board detection

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Signed-off-by: Dirk Eibach <eibach@gdsys.de>
Signed-off-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Dirk Eibach
2011-04-06 13:53:44 +02:00
committed by Stefan Roese
parent 6853cc4b94
commit b9ab8a994d
1 changed files with 18 additions and 8 deletions
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26
board/gdsys/405ep/dlvision-10g.c
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@@ -31,6 +31,9 @@
#include "../common/osd.h"
#define LATCH2_BASE (CONFIG_SYS_LATCH_BASE + 0x200)
#define LATCH2_MC2_PRESENT_N 0x0080
enum {
UNITTYPE_VIDEO_USER = 0,
UNITTYPE_MAIN_USER = 1,
@@ -206,8 +209,8 @@ static void print_fpga_info(unsigned dev)
*/
int checkboard(void)
{
unsigned k;
char *s = getenv("serial#");
u16 latch2 = in_le16((void *)LATCH2_BASE);
printf("Board: ");
@@ -220,20 +223,27 @@ int checkboard(void)
puts("\n");
for (k = 0; k < CONFIG_SYS_FPGA_COUNT; ++k)
print_fpga_info(k);
print_fpga_info(0);
if (!(latch2 & LATCH2_MC2_PRESENT_N))
print_fpga_info(1);
return 0;
}
int last_stage_init(void)
{
unsigned k;
ihs_fpga_t *fpga = (ihs_fpga_t *) CONFIG_SYS_FPGA_BASE(0);
u16 versions = in_le16(&fpga->versions);
u16 latch2 = in_le16((void *)LATCH2_BASE);
for (k = 0; k < CONFIG_SYS_OSD_SCREENS; ++k)
if (!get_fpga_state(k)
|| (get_fpga_state(k) == FPGA_STATE_DONE_FAILED))
osd_probe(k);
if (((versions >> 4) & 0x000f) != UNITTYPE_MAIN_USER)
return 0;
if (!get_fpga_state(0))
osd_probe(0);
if (!(latch2 & LATCH2_MC2_PRESENT_N) && !get_fpga_state(1))
osd_probe(1);
return 0;
}