diff options
Diffstat (limited to 'board/ti/j721e/evm.c')
| -rw-r--r-- | board/ti/j721e/evm.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/board/ti/j721e/evm.c b/board/ti/j721e/evm.c index e035cf9884..ebaa6faa93 100644 --- a/board/ti/j721e/evm.c +++ b/board/ti/j721e/evm.c @@ -89,6 +89,34 @@ int board_fit_config_name_match(const char *name) } #endif +#if CONFIG_IS_ENABLED(DM_GPIO) && CONFIG_IS_ENABLED(OF_LIBFDT) +/* Returns 1, if onboard mux is set to hyperflash */ +static void __maybe_unused detect_enable_hyperflash(void *blob) +{ + struct gpio_desc desc = {0}; + + if (dm_gpio_lookup_name("6", &desc)) + return; + + if (dm_gpio_request(&desc, "6")) + return; + + if (dm_gpio_set_dir_flags(&desc, GPIOD_IS_IN)) + return; + + if (dm_gpio_get_value(&desc)) { + int offset; + + do_fixup_by_compat(blob, "ti,am654-hbmc", "status", + "okay", sizeof("okay"), 0); + offset = fdt_node_offset_by_compatible(blob, -1, + "ti,j721e-ospi"); + fdt_setprop(blob, offset, "status", "disabled", + sizeof("disabled")); + } +} +#endif + #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) int ft_board_setup(void *blob, struct bd_info *bd) { @@ -101,6 +129,8 @@ int ft_board_setup(void *blob, struct bd_info *bd) if (ret) printf("%s: fixing up msmc ram failed %d\n", __func__, ret); + detect_enable_hyperflash(blob); + return ret; } #endif |