diff options
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/pcengines/apu2/romstage.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/mainboard/pcengines/apu2/romstage.c b/src/mainboard/pcengines/apu2/romstage.c index fec25b4f60..3c5eed6bb5 100644 --- a/src/mainboard/pcengines/apu2/romstage.c +++ b/src/mainboard/pcengines/apu2/romstage.c @@ -19,6 +19,7 @@ #include <device/pci_ids.h> #include <arch/io.h> #include <arch/stages.h> +#include <device/pnp.h> #include <device/pnp_def.h> #include <arch/cpu.h> #include <cpu/x86/lapic.h> @@ -32,10 +33,16 @@ #include <cpu/x86/bist.h> #include <cpu/x86/lapic.h> #include <southbridge/amd/pi/hudson/hudson.h> +#include <superio/nuvoton/common/nuvoton.h> +#include <superio/nuvoton/nct5104d/nct5104d.h> #include <Fch/Fch.h> #include "gpio_ftns.h" +#define SIO_PORT 0x2e +#define SERIAL1_DEV PNP_DEV(SIO_PORT, NCT5104D_SP1) +#define SERIAL2_DEV PNP_DEV(SIO_PORT, NCT5104D_SP2) + static void early_lpc_init(void); void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) @@ -56,6 +63,9 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) hudson_lpc_port80(); if (!cpu_init_detectedx && boot_cpu()) { + pci_devfn_t dev; + u32 data; + timestamp_init(timestamp_get()); timestamp_add_now(TS_START_ROMSTAGE); @@ -64,6 +74,19 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) hudson_clk_output_48Mhz(); post_code(0x31); + + dev = PCI_DEV(0, 0x14, 3); + data = pci_read_config32(dev, LPC_IO_OR_MEM_DECODE_ENABLE); + /* enable 0x2e/0x4e IO decoding before configuring SuperIO */ + pci_write_config32(dev, LPC_IO_OR_MEM_DECODE_ENABLE, data | 3); + + /* COM2 on apu5 is reserved so only COM1 should be supported */ + if ((CONFIG_UART_FOR_CONSOLE == 1) && + !IS_ENABLED(CONFIG_BOARD_PCENGINES_APU5)) + nuvoton_enable_serial(SERIAL2_DEV, CONFIG_TTYS0_BASE); + else if (CONFIG_UART_FOR_CONSOLE == 0) + nuvoton_enable_serial(SERIAL1_DEV, CONFIG_TTYS0_BASE); + console_init(); } |