diff options
| -rw-r--r-- | board/toradex/apalis_t30/apalis_t30.c | 19 | ||||
| -rw-r--r-- | board/toradex/apalis_t30/pinmux-config-apalis_t30.h | 18 | ||||
| -rw-r--r-- | include/configs/apalis_t30.h | 1 |
3 files changed, 30 insertions, 8 deletions
diff --git a/board/toradex/apalis_t30/apalis_t30.c b/board/toradex/apalis_t30/apalis_t30.c index 9f9731af49..5ea9f8ab29 100644 --- a/board/toradex/apalis_t30/apalis_t30.c +++ b/board/toradex/apalis_t30/apalis_t30.c @@ -120,6 +120,25 @@ int tegra_pcie_board_init(void) return err; } +#ifdef APALIS_T30_PCIE_EVALBOARD_INIT +#define PEX_PERST_N GPIO_PS7 /* Apalis GPIO7 */ +#define RESET_MOCI_N GPIO_PI4 + + /* Reset PLX PEX 8605 PCIe Switch plus PCIe devices on Apalis Evaluation + Board */ + gpio_request(PEX_PERST_N, "PEX_PERST_N"); + gpio_request(RESET_MOCI_N, "RESET_MOCI_N"); + gpio_direction_output(PEX_PERST_N, 0); + gpio_direction_output(RESET_MOCI_N, 0); + /* Must be asserted for 100 ms after power and clocks are stable */ + mdelay(100); + gpio_set_value(PEX_PERST_N, 1); + /* Err_5: PEX_REFCLK_OUTpx/nx Clock Outputs is not Guaranteed Until + 900 us After PEX_PERST# De-assertion */ + mdelay(1); + gpio_set_value(RESET_MOCI_N, 1); +#endif /* APALIS_T30_PCIE_EVALBOARD_INIT */ + return 0; } diff --git a/board/toradex/apalis_t30/pinmux-config-apalis_t30.h b/board/toradex/apalis_t30/pinmux-config-apalis_t30.h index 0892ce3f15..c5b73e245f 100644 --- a/board/toradex/apalis_t30/pinmux-config-apalis_t30.h +++ b/board/toradex/apalis_t30/pinmux-config-apalis_t30.h @@ -296,17 +296,19 @@ static struct pmux_pingrp_config tegra3_pinmux_common[] = { DEFAULT_PINMUX(SPI1_CS0_N_PX6, SPI1, NORMAL, NORMAL, INPUT), DEFAULT_PINMUX(SPI1_MISO_PX7, SPI1, NORMAL, NORMAL, INPUT), - DEFAULT_PINMUX(PEX_L0_PRSNT_N_PDD0, PCIE, NORMAL, NORMAL, INPUT), - DEFAULT_PINMUX(PEX_L0_RST_N_PDD1, PCIE, NORMAL, NORMAL, OUTPUT), - DEFAULT_PINMUX(PEX_L0_CLKREQ_N_PDD2, PCIE, NORMAL, NORMAL, INPUT), - DEFAULT_PINMUX(PEX_WAKE_N_PDD3, PCIE, NORMAL, NORMAL, INPUT), + DEFAULT_PINMUX(PEX_L0_PRSNT_N_PDD0, RSVD2, NORMAL, NORMAL, INPUT), + DEFAULT_PINMUX(PEX_L0_RST_N_PDD1, RSVD2, NORMAL, NORMAL, INPUT), + DEFAULT_PINMUX(PEX_L0_CLKREQ_N_PDD2, RSVD2, NORMAL, NORMAL, INPUT), + + DEFAULT_PINMUX(PEX_L1_PRSNT_N_PDD4, RSVD2, DOWN, TRISTATE, OUTPUT), /* NC */ + DEFAULT_PINMUX(PEX_L1_RST_N_PDD5, RSVD2, DOWN, TRISTATE, OUTPUT), /* NC */ + DEFAULT_PINMUX(PEX_L1_CLKREQ_N_PDD6, RSVD2, DOWN, TRISTATE, OUTPUT), /* NC */ - DEFAULT_PINMUX(PEX_L1_PRSNT_N_PDD4, PCIE, DOWN, TRISTATE, OUTPUT), /* NC */ - DEFAULT_PINMUX(PEX_L1_RST_N_PDD5, PCIE, DOWN, TRISTATE, OUTPUT), /* NC */ - DEFAULT_PINMUX(PEX_L1_CLKREQ_N_PDD6, PCIE, DOWN, TRISTATE, OUTPUT), /* NC */ - DEFAULT_PINMUX(PEX_L2_PRSNT_N_PDD7, PCIE, NORMAL, NORMAL, INPUT), + DEFAULT_PINMUX(PEX_L2_PRSNT_N_PDD7, PCIE, NORMAL, NORMAL, OUTPUT), DEFAULT_PINMUX(PEX_L2_RST_N_PCC6, PCIE, NORMAL, NORMAL, OUTPUT), DEFAULT_PINMUX(PEX_L2_CLKREQ_N_PCC7, PCIE, NORMAL, NORMAL, INPUT), + DEFAULT_PINMUX(PEX_WAKE_N_PDD3, PCIE, NORMAL, NORMAL, INPUT), + DEFAULT_PINMUX(HDMI_CEC_PEE3, CEC, NORMAL, NORMAL, INPUT), DEFAULT_PINMUX(HDMI_INT_PN7, RSVD1, NORMAL, NORMAL, INPUT), diff --git a/include/configs/apalis_t30.h b/include/configs/apalis_t30.h index bf734ebbb7..c71b72b041 100644 --- a/include/configs/apalis_t30.h +++ b/include/configs/apalis_t30.h @@ -73,6 +73,7 @@ #define CONFIG_PCI_PNP #define CONFIG_CMD_PCI #define CONFIG_CMD_PCI_ENUM +#undef APALIS_T30_PCIE_EVALBOARD_INIT /* PCI networking support */ #define CONFIG_E1000 |