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| author | Stefano Babic <sbabic@denx.de> | 2014-03-05 12:51:26 +0100 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2014-03-05 12:51:26 +0100 |
| commit | 1ad6364eeb4f578e423081d1748e8a3fdf1ab01d (patch) | |
| tree | f55731737edf1cfd653b21f2ff9d387e6c53ae24 /board/keymile/km_arm/fpga_config.c | |
| parent | 335143c76612a0ae26eef8abeda77641d4f63b50 (diff) | |
| parent | cc07294bc704694ae33db75b25ac557e5917a83f (diff) | |
| download | u-boot-1ad6364eeb4f578e423081d1748e8a3fdf1ab01d.zip u-boot-1ad6364eeb4f578e423081d1748e8a3fdf1ab01d.tar.gz u-boot-1ad6364eeb4f578e423081d1748e8a3fdf1ab01d.tar.bz2 | |
Merge branch 'master' of git://git.denx.de/u-boot-arm
Diffstat (limited to 'board/keymile/km_arm/fpga_config.c')
| -rw-r--r-- | board/keymile/km_arm/fpga_config.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/board/keymile/km_arm/fpga_config.c b/board/keymile/km_arm/fpga_config.c index cbfc7d2..51a3cfe 100644 --- a/board/keymile/km_arm/fpga_config.c +++ b/board/keymile/km_arm/fpga_config.c @@ -189,6 +189,31 @@ int wait_for_fpga_config(void) return 0; } +#if defined(KM_PCIE_RESET_MPP7) + +#define KM_PEX_RST_GPIO_PIN 7 +int fpga_reset(void) +{ + if (!check_boco2()) { + /* we do not have BOCO2, this is not really used */ + return 0; + } + + printf("PCIe reset through GPIO7: "); + /* apply PCIe reset via GPIO */ + kw_gpio_set_valid(KM_PEX_RST_GPIO_PIN, 1); + kw_gpio_direction_output(KM_PEX_RST_GPIO_PIN, 1); + kw_gpio_set_value(KM_PEX_RST_GPIO_PIN, 0); + udelay(1000*10); + kw_gpio_set_value(KM_PEX_RST_GPIO_PIN, 1); + + printf(" done\n"); + + return 0; +} + +#else + #define PRST1 0x4 #define PCIE_RST 0x10 #define TRAFFIC_RST 0x04 @@ -219,6 +244,7 @@ int fpga_reset(void) return 0; } +#endif /* the FPGA was configured, we configure the BOCO2 so that the EEPROM * is available from the Bobcat SPI bus */ |