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| author | Tom Rini <trini@ti.com> | 2014-02-17 14:22:02 -0500 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2014-02-17 14:22:02 -0500 |
| commit | c4d376fd1c2bce8d64cec0431dd3f24957b6dec4 (patch) | |
| tree | de17e3a67fa4a48f3b9571bff2399cb0a24558bc /board/keymile/km_arm/fpga_config.c | |
| parent | b1ad03c242dae3712b9be66026f5d8c6f919c00b (diff) | |
| parent | 5e77a745b24d9b98aa635293972f04fd6f0c6b38 (diff) | |
| download | blackbird-obmc-uboot-c4d376fd1c2bce8d64cec0431dd3f24957b6dec4.tar.gz blackbird-obmc-uboot-c4d376fd1c2bce8d64cec0431dd3f24957b6dec4.zip | |
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 cbfc7d2175..51a3cfe647 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 */ |
