1 /* SPDX-License-Identifier: GPL-2.0-only */
3 #include <device/pci_ops.h>
4 #include <device/pnp_def.h>
5 #include <device/pnp_ops.h>
6 #include <bootblock_common.h>
7 #include <northbridge/intel/sandybridge/sandybridge.h>
8 #include <southbridge/intel/bd82x6x/pch.h>
9 #include <superio/nuvoton/common/nuvoton.h>
10 #include <superio/nuvoton/nct6776/nct6776.h>
11 #include <superio/nuvoton/wpcm450/wpcm450.h>
15 #define SERIAL_DEV PNP_DEV(X9SCL_NCT6776_PNP_BASE, NCT6776_SP1)
16 #define KCS_DEV PNP_DEV(X9SCL_WPCM450_PNP_BASE, 0x11)
18 #define SUPERIO_INITVAL(reg, data) {(reg), (data)}
19 #define SUPERIO_BANK(x) SUPERIO_INITVAL(0x07, (x))
21 const struct southbridge_usb_port mainboard_usb_ports
[] = {
22 { 1, 0, 0 }, /* ? USB0 1d.0 port 1 */
23 { 1, 0, 0 }, /* ? USB1 1d.0 port 2 */
24 { 1, 0, 1 }, /* ? USB2 1d.0 port 3 */
25 { 1, 0, 1 }, /* ? USB3 1d.0 port 4 */
26 { 1, 0, 2 }, /* ? USB4 1d.0 port 5 */
27 { 1, 0, 2 }, /* ? USB5 1d.0 port 6 */
28 { 1, 0, 3 }, /* ? ??? 1a.0 port 1 */
29 { 1, 0, 3 }, /* ? BMC 1a.0 port 2 */
30 { 1, 0, 4 }, /* ? ??? 1a.0 port 3 */
31 { 1, 0, 4 }, /* ? USB11 1a.0 port 4 */
32 { 1, 0, 6 }, /* ? USB12 1a.0 port 5 */
33 { 1, 0, 5 }, /* ? USB13 1a.0 port 6 */
38 static const uint8_t superio_initvals
[][2] = {
39 /* Global config registers */
40 SUPERIO_INITVAL(0x1a, 0xc8),
41 SUPERIO_INITVAL(0x1b, 0x68),
42 SUPERIO_INITVAL(0x1c, 0x83),
43 SUPERIO_INITVAL(0x24, 0x24),
44 SUPERIO_INITVAL(0x2a, 0x00),
45 SUPERIO_INITVAL(0x2b, 0x42),
46 SUPERIO_INITVAL(0x2c, 0x80),
48 SUPERIO_BANK(0x9), /* GPIO[2345] */
49 SUPERIO_INITVAL(0x30, 0x0c),
50 SUPERIO_INITVAL(0xe0, 0xcf),
51 SUPERIO_INITVAL(0xe4, 0xbd),
52 SUPERIO_INITVAL(0xe5, 0x42),
53 SUPERIO_INITVAL(0xe9, 0x10),
54 SUPERIO_INITVAL(0xea, 0x40),
55 SUPERIO_INITVAL(0xf0, 0xff),
56 SUPERIO_INITVAL(0xf1, 0x02),
58 SUPERIO_BANK(0xb), /* HWM & LED */
59 SUPERIO_INITVAL(0xf7, 0x07),
60 SUPERIO_INITVAL(0xf8, 0x40),
61 SUPERIO_INITVAL(0x30, 0x01),
62 SUPERIO_INITVAL(0x60, X9SCL_NCT6776_HWM_BASE
>> 8),
63 SUPERIO_INITVAL(0x61, X9SCL_NCT6776_HWM_BASE
& 0xff),
65 SUPERIO_BANK(0x5), /* KBC */
66 SUPERIO_INITVAL(0xf0, 0x83),
67 SUPERIO_INITVAL(0x30, 0x01),
69 SUPERIO_BANK(0x0), /* FDC */
70 SUPERIO_INITVAL(0x30, 0x80),
73 static void superio_init(void)
75 const pnp_devfn_t dev
= PNP_DEV(X9SCL_NCT6776_PNP_BASE
, 0);
77 nuvoton_pnp_enter_conf_state(dev
);
78 for (size_t i
= 0; i
< ARRAY_SIZE(superio_initvals
); i
++)
79 pnp_write_config(dev
, superio_initvals
[i
][0], superio_initvals
[i
][1]);
80 nuvoton_pnp_exit_conf_state(dev
);
83 static void bmc_init(void)
85 pnp_devfn_t dev
= KCS_DEV
;
87 pnp_write_config(dev
, 0x21, 0x11);
89 pnp_set_logical_device(dev
);
90 pnp_set_enable(dev
, 0);
91 pnp_set_iobase(dev
, PNP_IDX_IO0
, X9SCL_WPCM450_KCS_BASE
+ 0);
92 pnp_set_iobase(dev
, PNP_IDX_IO1
, X9SCL_WPCM450_KCS_BASE
+ 1);
93 pnp_set_iobase(dev
, PNP_IDX_IRQ0
, 0);
94 pnp_set_enable(dev
, 1);
97 void bootblock_mainboard_early_init(void)
99 nuvoton_enable_serial(SERIAL_DEV
, CONFIG_TTYS0_BASE
);
104 void mainboard_early_init(int s3resume
)
106 /* Disable IGD VGA decode, no GTT or GFX stolen */
107 pci_write_config16(PCI_DEV(0, 0, 0), GGC
, 2);