diff options
| author | Yegor Yefremov <yegorslists@googlemail.com> | 2016-12-01 12:52:17 +0100 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2016-12-05 11:04:41 -0500 |
| commit | dcf7f6f1cc05ed52eda02c8cf39afea785f639c6 (patch) | |
| tree | 8ff3928b99c6cb3ea931284b61d44322d08599e8 | |
| parent | a970727067f10a0bbe5836695dc91c7cbccc6e5b (diff) | |
arm: baltos: active mPCIe slot
Baltos devices provide a mPCIe slot, whose power is turned off by
default. This patch activates mPCIe slot in U-Boot, so that for example
GSM modem can be already available in user space.
Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
| -rw-r--r-- | board/vscom/baltos/board.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/board/vscom/baltos/board.c b/board/vscom/baltos/board.c index dbf79a5b1d..d3b1f1564f 100644 --- a/board/vscom/baltos/board.c +++ b/board/vscom/baltos/board.c @@ -39,6 +39,7 @@ DECLARE_GLOBAL_DATA_PTR; /* GPIO that controls power to DDR on EVM-SK */ #define GPIO_DDR_VTT_EN 7 #define DIP_S1 44 +#define MPCIE_SW 100 static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE; @@ -330,6 +331,11 @@ int ft_board_setup(void *blob, bd_t *bd) return 0; } +static struct module_pin_mux pcie_sw_pin_mux[] = { + {OFFSET(mii1_rxdv), (MODE(7) | PULLUDEN )}, /* GPIO3_4 */ + {-1}, +}; + static struct module_pin_mux dip_pin_mux[] = { {OFFSET(gpmc_ad12), (MODE(7) | RXACTIVE )}, /* GPIO1_12 */ {OFFSET(gpmc_ad13), (MODE(7) | RXACTIVE )}, /* GPIO1_13 */ @@ -355,6 +361,18 @@ int board_late_init(void) baltos_set_console(); } } + + /* turn power for the mPCIe slot */ + configure_module_pin_mux(pcie_sw_pin_mux); + if (gpio_request(MPCIE_SW, "mpcie_sw")) { + printf("failed to export GPIO %d\n", MPCIE_SW); + return -ENODEV; + } + if (gpio_direction_output(MPCIE_SW, 1)) { + printf("failed to set GPIO %d direction\n", MPCIE_SW); + return -ENODEV; + } + setenv("board_name", model); #endif |