board: siemens: iot2050: Control pcie power for all variants

The power control pin of pcie interface not only works for M.2 interface
but also for miniPCIE, so promote this logic to all variants to
workaround the module hang issue.

Signed-off-by: Baocheng Su <baocheng.su@siemens.com>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Michael Trimarchi <michael@amarulasolutions.com>

diff --git a/board/siemens/iot2050/board.c b/board/siemens/iot2050/board.c
index e5c7ce58b06fcafec0db04f63f6b2f9792fba2f1..85cb999f17fcea1ae53867dfb86c9545a741b089 100644 (file)
--- a/board/siemens/iot2050/board.c
+++ b/board/siemens/iot2050/board.c
@@ -185,6 +185,12 @@ static void remove_mmc1_target(void)
        free(boot_targets);
 }
 
+static void enable_pcie_connector_power(void)
+{
+       set_pinvalue("gpio@601000_17", "P3V3_PCIE_CON_EN", 1);
+       udelay(4 * 100);
+}
+
 void set_board_info_env(void)
 {
        struct iot2050_info *info = IOT2050_INFO_DATA;
@@ -288,10 +294,6 @@ static void m2_connector_setup(void)
        struct m2_config_pins config_pins;
        unsigned int n;
 
-       /* enable M.2 connector power */
-       set_pinvalue("gpio@601000_17", "P3V3_M2_EN", 1);
-       udelay(4 * 100);
-
        if (m2_manual_config < CONNECTOR_MODE_INVALID) {
                mode_info = " [manual mode]";
                connector_mode = m2_manual_config;
@@ -429,6 +431,8 @@ int board_late_init(void)
        /* change CTRL_MMR register to let serdes0 not output USB3.0 signals. */
        writel(0x3, SERDES0_LANE_SELECT);
 
+       enable_pcie_connector_power();
+
        if (board_is_m2())
                m2_connector_setup();