diff options
Diffstat (limited to 'board/keymile/km82xx/km82xx.c')
| -rw-r--r-- | board/keymile/km82xx/km82xx.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/board/keymile/km82xx/km82xx.c b/board/keymile/km82xx/km82xx.c index 01c0bfd29a..d453d25ac3 100644 --- a/board/keymile/km82xx/km82xx.c +++ b/board/keymile/km82xx/km82xx.c @@ -288,7 +288,7 @@ int checkboard(void) #if defined(CONFIG_MGCOGE) puts("Board: Keymile mgcoge"); #else - puts("Board: Keymile mgcoge2ne"); + puts("Board: Keymile mgcoge3ne"); #endif if (ethernet_present()) puts(" with PIGGY."); @@ -314,6 +314,28 @@ int last_stage_init(void) return 0; } +#ifdef CONFIG_MGCOGE3NE +/* + * For mgcoge3ne boards, the mgcoge3un control is controlled from + * a GPIO line on the PPC CPU. If bobcatreset is set the line + * will toggle once what forces the mgocge3un part to restart + * immediately. + */ +void handle_mgcoge3un_reset(void) +{ + char *bobcatreset = getenv("bobcatreset"); + if (bobcatreset) { + if (strcmp(bobcatreset, "true") == 0) { + puts("Forcing bobcat reset\n"); + set_pin(0, 0x00000004); /* clear PD29 to reset arm */ + udelay(1000); + set_pin(1, 0x00000004); + } else + set_pin(1, 0x00000004); /* set PD29 to not reset arm */ + } +} +#endif + /* * Early board initalization. */ @@ -329,6 +351,9 @@ int board_early_init_r(void) out_8(&base->oprtl, (H_OPORTS_SCC4_ENA | H_OPORTS_SCC4_FD_ENA | H_OPORTS_FCC1_PW_DWN)); +#ifdef CONFIG_MGCOGE3NE + handle_mgcoge3un_reset(); +#endif return 0; } |