diff options
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/pcengines/apu1/Kconfig | 6 | ||||
| -rw-r--r-- | src/mainboard/pcengines/apu1/mainboard.c | 23 |
2 files changed, 29 insertions, 0 deletions
diff --git a/src/mainboard/pcengines/apu1/Kconfig b/src/mainboard/pcengines/apu1/Kconfig index e9aab8cbfe..3099d14386 100644 --- a/src/mainboard/pcengines/apu1/Kconfig +++ b/src/mainboard/pcengines/apu1/Kconfig @@ -95,6 +95,9 @@ config APU1_PINMUX_UART_C endchoice +config UART_C_RS485 + bool "UART C drives RTS# in RS485 mode" if APU1_PINMUX_UART_C + choice prompt "J19 pins 11-20" default APU1_PINMUX_OFF_D @@ -110,4 +113,7 @@ config APU1_PINMUX_UART_D endchoice +config UART_D_RS485 + bool "UART D drives RTS# in RS485 mode" if APU1_PINMUX_UART_D + endif # BOARD_PCENGINES_APU1 diff --git a/src/mainboard/pcengines/apu1/mainboard.c b/src/mainboard/pcengines/apu1/mainboard.c index 96b20209f9..055cd58dd5 100644 --- a/src/mainboard/pcengines/apu1/mainboard.c +++ b/src/mainboard/pcengines/apu1/mainboard.c @@ -158,6 +158,28 @@ static void config_gpio_mux(void) gpio->enabled = CONFIG_APU1_PINMUX_GPIO1; } +static void pnp_raw_resource(struct device *dev, u8 reg, u8 val) +{ + struct resource *res; + res = new_resource(dev, reg); + res->base = val; + res->size = 0; + res->flags |= IORESOURCE_IRQ | IORESOURCE_ASSIGNED; +} + +static void config_addon_uart(void) +{ + struct device *uart; + + uart = dev_find_slot_pnp(SIO_PORT, NCT5104D_SP3); + if (uart && uart->enabled && CONFIG_UART_C_RS485) + pnp_raw_resource(uart, 0xf2, 0x12); + + uart = dev_find_slot_pnp(SIO_PORT, NCT5104D_SP4); + if (uart && uart->enabled && CONFIG_UART_D_RS485) + pnp_raw_resource(uart, 0xf2, 0x12); +} + /** * TODO * SB CIMx callback @@ -182,6 +204,7 @@ static void mainboard_enable(device_t dev) printk(BIOS_INFO, "Mainboard " CONFIG_MAINBOARD_PART_NUMBER " Enable.\n"); config_gpio_mux(); + config_addon_uart(); /* Power off unused clock pins of GPP PCIe devices */ u8 *misc_mem_clk_cntrl = (u8 *)(ACPI_MMIO_BASE + MISC_BASE); |