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mvebu: Add board_pex_config()

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Allow boards to do some initialization when PCIe comes up.

Signed-off-by: Dirk Eibach <dirk.eibach@gdsys.cc>
Signed-off-by: Mario Six <mario.six@gdsys.cc>
Reviewed-by: Stefan Roese <sr@denx.de>
Signed-off-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Mario Six 2017-01-11 16:00:47 +01:00 • committed by Stefan Roese
parent c52d428dcc
commit 2ad4309441
2 changed files with 10 additions and 0 deletions
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8
arch/arm/mach-mvebu/serdes/a38x/ctrl_pex.c
View file

@ -13,6 +13,11 @@
#include "ctrl_pex.h" #include "ctrl_pex.h"
#include "sys_env_lib.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) int hws_pex_config(const struct serdes_map *serdes_map, u8 count)
{ {
u32 pex_idx, tmp, next_busno, first_busno, temp_pex_reg, 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 */ /* Support gen1/gen2 */
DEBUG_INIT_FULL_S("Support gen1/gen2\n"); DEBUG_INIT_FULL_S("Support gen1/gen2\n");
board_pex_config();
next_busno = 0; next_busno = 0;
mdelay(150); mdelay(150);

2
arch/arm/mach-mvebu/serdes/a38x/ctrl_pex.h
View file

@ -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); 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); u32 pex_config_read(u32 pex_if, u32 bus, u32 dev, u32 func, u32 reg_off);
void board_pex_config(void);
#endif #endif