diff options
Diffstat (limited to 'board/keymile/km_arm/km_arm.c')
| -rw-r--r-- | board/keymile/km_arm/km_arm.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/board/keymile/km_arm/km_arm.c b/board/keymile/km_arm/km_arm.c index ea03be9eb37..3db80615ef6 100644 --- a/board/keymile/km_arm/km_arm.c +++ b/board/keymile/km_arm/km_arm.c @@ -310,16 +310,35 @@ int board_late_init(void) return 0; } -int board_spi_claim_bus(struct spi_slave *slave) +static const u32 spi_mpp_config[] = { + MPP1_SPI_MOSI, + MPP2_SPI_SCK, + MPP3_SPI_MISO, + 0 +}; + +static u32 spi_mpp_backup[4]; + +int mvebu_board_spi_claim_bus(struct udevice *dev) { + spi_mpp_backup[3] = 0; + + /* set new spi mpp config and save current one */ + kirkwood_mpp_conf(spi_mpp_config, spi_mpp_backup); + kw_gpio_set_value(KM_FLASH_GPIO_PIN, 0); return 0; } -void board_spi_release_bus(struct spi_slave *slave) +int mvebu_board_spi_release_bus(struct udevice *dev) { + /* restore saved mpp config */ + kirkwood_mpp_conf(spi_mpp_backup, NULL); + kw_gpio_set_value(KM_FLASH_GPIO_PIN, 1); + + return 0; } #if (defined(CONFIG_KM_PIGGY4_88E6061)) |