| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| |
| #include <bootblock_common.h> |
| #include <northbridge/intel/sandybridge/raminit_native.h> |
| #include <northbridge/intel/sandybridge/raminit.h> |
| #include <northbridge/intel/sandybridge/pei_data.h> |
| #include <southbridge/intel/bd82x6x/pch.h> |
| |
| #include <superio/nuvoton/common/nuvoton.h> |
| #include <superio/nuvoton/nct6779d/nct6779d.h> |
| |
| #include <option.h> |
| |
| #define SERIAL_DEV PNP_DEV(0x2e, NCT6779D_SP1) |
| |
| const struct southbridge_usb_port mainboard_usb_ports[] = { |
| /* {enable, current, oc_pin} */ |
| {1, 2, 0}, /* Port 0: USB3 front internal header, top */ |
| {1, 2, 0}, /* Port 1: USB3 front internal header, bottom */ |
| {1, 2, 1}, /* Port 2: USB3 rear, top */ |
| {1, 2, 1}, /* Port 3: USB3 rear, bottom */ |
| {1, 2, 2}, /* Port 4: USB2 rear, PS2 top */ |
| {1, 2, 2}, /* Port 5: USB2 rear, PS2 bottom */ |
| {1, 2, 3}, /* Port 6: USB2 rear, ETH, top */ |
| {1, 2, 3}, /* Port 7: USB2 rear, ETH, bottom */ |
| {1, 2, 4}, /* Port 8: USB2 internal header USB910, top */ |
| {1, 2, 4}, /* Port 9: USB2 internal header USB910, bottom */ |
| {1, 2, 6}, /* Port 10: USB2 internal header USB1112, top */ |
| {1, 2, 5}, /* Port 11: USB2 internal header USB1112, bottom */ |
| {1, 2, 5}, /* Port 12: USB2 internal header USB1314, top */ |
| {1, 2, 6} /* Port 13: USB2 internal header USB1314, bottom */ |
| }; |
| |
| void bootblock_mainboard_early_init(void) |
| { |
| nuvoton_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); |
| |
| /* |
| * TODO: Put PCIe root port 7 (00:1c.6) into subtractive decode and have it accept I/O |
| * cycles. This should allow a POST card in the PCI slot, connected via an ASM1083 |
| * bridge to this port, to receive POST codes. |
| */ |
| } |
| |
| void mainboard_get_spd(spd_raw_data *spd, bool id_only) |
| { |
| read_spd(&spd[0], 0x50, id_only); |
| read_spd(&spd[1], 0x51, id_only); |
| read_spd(&spd[2], 0x52, id_only); |
| read_spd(&spd[3], 0x53, id_only); |
| } |
| |
| int mainboard_should_reset_usb(int s3resume) |
| { |
| return !s3resume; |
| } |
| |
| void mainboard_fill_pei_data(struct pei_data *pei) |
| { |
| uint8_t spdaddr[] = {0xa0, 0xa2, 0xa4, 0xa6}; /* SMBus mul 2 */ |
| uint16_t usbcfg[16][3] = { |
| /* {enabled, oc_pin, cable len 0x0080=<8inches/20cm} */ |
| {1, 0, 0x0080}, {1, 0, 0x0080}, {1, 1, 0x0080}, {1, 1, 0x0080}, {1, 2, 0x0080}, |
| {1, 2, 0x0080}, {1, 3, 0x0080}, {1, 3, 0x0080}, {1, 4, 0x0080}, {1, 4, 0x0080}, |
| {1, 6, 0x0080}, {1, 5, 0x0080}, {1, 5, 0x0080}, {1, 6, 0x0080} |
| }; |
| |
| memcpy(pei->spd_addresses, &spdaddr, sizeof(spdaddr)); |
| |
| pei->gbe_enable = 0; /* Board uses no Intel GbE but a RTL8111F */ |
| pei->max_ddr3_freq = 1600; /* 1333=Sandy; 1600=Ivy */ |
| |
| memcpy(pei->usb_port_config, &usbcfg, sizeof(usbcfg)); |
| |
| /* ASUS P8Z77-M manual lists some supported DIMMs down to 1.25v */ |
| pei->ddr3lv_support = 1; |
| /* |
| * PCIe 3.0 support. As we use Ivy Bridge, let's enable it, |
| * but might cause some system instability! |
| */ |
| pei->pcie_init = 1; |
| /* |
| * 4 bit switch mask. 0=not switchable, 1=switchable |
| * Means once it's loaded the OS, it can swap ports |
| * from/to EHCI/xHCI. Z77 has four USB3 ports, so 0xf |
| */ |
| pei->usb3.hs_port_switch_mask = 0xf; |
| /* |
| * USB 3 mode settings. |
| * These are obtained from option table then bit masked to keep within range. |
| */ |
| /* |
| * 0 = Disable: work always as USB 2.0(ehci) |
| * 1 = Enable: work always as USB 3.0(xhci) |
| * 2 = Auto: work as USB2.0(ehci) until OS loads USB3 xhci driver |
| * 3 = Smart Auto : same than Auto, but if OS loads USB3 driver |
| * and reboots, it will keep the USB3.0 speed |
| */ |
| pei->usb3.mode = get_uint_option("usb3_mode", 1) & 0x3; |
| /* 1=Load xHCI pre-OS drv */ |
| pei->usb3.preboot_support = get_uint_option("usb3_drv", 1) & 0x1; |
| /* |
| * 0=Don't use xHCI streams for better compatibility |
| * 1=use xHCI streams for better speed |
| */ |
| pei->usb3.xhci_streams = get_uint_option("usb3_streams", 1) & 0x1; |
| } |