coreboot
coreboot is an Open Source project aimed at replacing the proprietary BIOS found in most computers.
ramstage.c
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1 /* SPDX-License-Identifier: GPL-2.0-only */
2 
3 #include <soc/ramstage.h>
4 #include <boardid.h>
5 #include <variant/onboard.h>
6 
7 void board_silicon_USB2_override(SILICON_INIT_UPD *params)
8 {
9  uint8_t boardid = 0;
10  uint8_t projectid = 0;
11 
12  boardid = board_id();
13  projectid = (boardid >> 3) & 0x01;
14 
15  if (projectid == TERRA2_PROJECT_ID) {
16  params->Usb2Port0PerPortPeTxiSet = 7;
17  params->Usb2Port0PerPortTxiSet = 6;
18  params->Usb2Port0IUsbTxEmphasisEn = 3;
19  params->Usb2Port0PerPortTxPeHalf = 1;
20  params->Usb2Port1PerPortPeTxiSet = 7;
21  params->Usb2Port1PerPortTxiSet = 6;
22  params->Usb2Port1IUsbTxEmphasisEn = 3;
23  params->Usb2Port1PerPortTxPeHalf = 1;
24  params->Usb2Port2PerPortPeTxiSet = 7;
25  params->Usb2Port2PerPortTxiSet = 6;
26  params->Usb2Port2IUsbTxEmphasisEn = 3;
27  params->Usb2Port2PerPortTxPeHalf = 1;
28  params->Usb2Port3PerPortPeTxiSet = 7;
29  params->Usb2Port3PerPortTxiSet = 6;
30  params->Usb2Port3IUsbTxEmphasisEn = 3;
31  params->Usb2Port3PerPortTxPeHalf = 1;
32  params->Usb2Port4PerPortPeTxiSet = 7;
33  params->Usb2Port4PerPortTxiSet = 6;
34  params->Usb2Port4IUsbTxEmphasisEn = 3;
35  params->Usb2Port4PerPortTxPeHalf = 1;
36  } else {
37  params->Usb2Port0PerPortPeTxiSet = 7;
38  params->Usb2Port0PerPortTxiSet = 6;
39  params->Usb2Port0IUsbTxEmphasisEn = 3;
40  params->Usb2Port0PerPortTxPeHalf = 1;
41  params->Usb2Port1PerPortPeTxiSet = 7;
42  params->Usb2Port1PerPortTxiSet = 6;
43  params->Usb2Port1IUsbTxEmphasisEn = 3;
44  params->Usb2Port1PerPortTxPeHalf = 1;
45  params->Usb2Port2PerPortPeTxiSet = 7;
46  params->Usb2Port2PerPortTxiSet = 3;
47  params->Usb2Port2IUsbTxEmphasisEn = 2;
48  params->Usb2Port2PerPortTxPeHalf = 1;
49  params->Usb2Port3PerPortPeTxiSet = 7;
50  params->Usb2Port3PerPortTxiSet = 6;
51  params->Usb2Port3IUsbTxEmphasisEn = 3;
52  params->Usb2Port3PerPortTxPeHalf = 1;
53  params->Usb2Port4PerPortPeTxiSet = 7;
54  params->Usb2Port4PerPortTxiSet = 3;
55  params->Usb2Port4IUsbTxEmphasisEn = 2;
56  params->Usb2Port4PerPortTxPeHalf = 1;
57  }
58 }
params
static struct sdram_info params
Definition: sdram_configs.c:83
board_id
uint32_t board_id(void)
board_id() - Get the board version
Definition: ec_boardid.c:6
TERRA2_PROJECT_ID
#define TERRA2_PROJECT_ID
Definition: onboard.h:41
board_silicon_USB2_override
void board_silicon_USB2_override(SILICON_INIT_UPD *params)
Definition: ramstage.c:5
uint8_t
unsigned char uint8_t
Definition: stdint.h:8