[U-Boot] [PATCH v2 03/18] mvebu: Add board_pex_config()

[Mario Six]

Allow boards to do some initialization when PCIe comes up.

Signed-off-by: Dirk Eibach <dirk.eibach at gdsys.cc>
Signed-off-by: Mario Six <mario.six at gdsys.cc>
---
Changes in v2:

* Switched usage of __attribute(...) to __weak to simplify weak function
  declaration
---
 arch/arm/mach-mvebu/serdes/a38x/ctrl_pex.c | 8 ++++++++
 arch/arm/mach-mvebu/serdes/a38x/ctrl_pex.h | 2 ++
 2 files changed, 10 insertions(+)

diff --git a/arch/arm/mach-mvebu/serdes/a38x/ctrl_pex.c b/arch/arm/mach-mvebu/serdes/a38x/ctrl_pex.c
index 98c447c..9e5b647 100644
--- a/arch/arm/mach-mvebu/serdes/a38x/ctrl_pex.c
+++ b/arch/arm/mach-mvebu/serdes/a38x/ctrl_pex.c
@@ -13,6 +13,11 @@
 #include "ctrl_pex.h"
 #include "sys_env_lib.h"

+__weak void board_pex_config(void)
+{
+	/* nothing in this weak default implementation */
+}
+
 int hws_pex_config(const struct serdes_map *serdes_map, u8 count)
 {
 	u32 pex_idx, tmp, next_busno, first_busno, temp_pex_reg,
@@ -77,6 +82,9 @@ int hws_pex_config(const struct serdes_map *serdes_map, u8 count)

 	/* Support gen1/gen2 */
 	DEBUG_INIT_FULL_S("Support gen1/gen2\n");
+
+	board_pex_config();
+
 	next_busno = 0;
 	mdelay(150);

diff --git a/arch/arm/mach-mvebu/serdes/a38x/ctrl_pex.h b/arch/arm/mach-mvebu/serdes/a38x/ctrl_pex.h
index 5f7e2c7..ca8a4d2 100644
--- a/arch/arm/mach-mvebu/serdes/a38x/ctrl_pex.h
+++ b/arch/arm/mach-mvebu/serdes/a38x/ctrl_pex.h
@@ -83,4 +83,6 @@ int pex_local_bus_num_set(u32 pex_if, u32 bus_num);
 int pex_local_dev_num_set(u32 pex_if, u32 dev_num);
 u32 pex_config_read(u32 pex_if, u32 bus, u32 dev, u32 func, u32 reg_off);

+void board_pex_config(void);
+
 #endif
--
2.9.0