diff options
Diffstat (limited to 'board/keymile/km_arm')
| -rw-r--r-- | board/keymile/km_arm/fpga_config.c | 26 | ||||
| -rw-r--r-- | board/keymile/km_arm/km_arm.c | 4 |
2 files changed, 30 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 */ diff --git a/board/keymile/km_arm/km_arm.c b/board/keymile/km_arm/km_arm.c index 5f32e70f10..35402c800b 100644 --- a/board/keymile/km_arm/km_arm.c +++ b/board/keymile/km_arm/km_arm.c @@ -46,7 +46,11 @@ static const u32 kwmpp_config[] = { MPP4_NF_IO6, MPP5_NF_IO7, MPP6_SYSRST_OUTn, +#if defined(KM_PCIE_RESET_MPP7) + MPP7_GPO, +#else MPP7_PEX_RST_OUTn, +#endif #if defined(CONFIG_SYS_I2C_SOFT) MPP8_GPIO, /* SDA */ MPP9_GPIO, /* SCL */ |