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powerpc/82xx/km: add testpin detection for mgcoge3ne

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On mgcoge3ne we also want to start the test application if the testpin
is asserted. But we don't have a full POST test support yet. So simply
add a function to read the testpin value.

Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
This commit is contained in:
Holger Brunck 2015-11-17 10:53:26 +01:00 committed by Tom Rini
parent 74edc607d6
commit d3f1d6f434
3 changed files with 15 additions and 1 deletions
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5
board/keymile/common/common.c
View file

@ -354,8 +354,11 @@ static int do_checktestboot(cmd_tbl_t *cmdtp, int flag, int argc,
#if defined(CONFIG_POST)
testpin = post_hotkeys_pressed();
s = getenv("test_bank");
#endif
#if defined(CONFIG_MGCOGE3NE)
testpin = get_testpin();
#endif
s = getenv("test_bank");
/* when test_bank is not set, act as if testpin is not asserted */
testboot = (testpin != 0) && (s);
if (verbose) {

2
board/keymile/common/common.h
View file

@ -134,6 +134,8 @@ int wait_for_fpga_config(void);
int fpga_reset(void);
int toggle_eeprom_spi_bus(void);
int get_testpin(void);
int set_km_env(void);
int fdt_set_node_and_value(void *blob,
char *nodename,

9
board/keymile/km82xx/km82xx.c
View file

@ -473,3 +473,12 @@ int ft_board_setup(void *blob, bd_t *bd)
return 0;
}
#endif /* defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT) */
#if defined(CONFIG_MGCOGE3NE)
int get_testpin(void)
{
/* Testpin is Port C pin 29 - enable = low */
int testpin = !get_pin(0x00000004, 2);
return testpin;
}
#endif