1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright (C) 2010 Freescale Semiconductor, Inc.
4  * Copyright (C) 2010 Ilya Yanok, Emcraft Systems, yanok@emcraft.com
5  */
6 
7 #include <common.h>
8 #include <i2c.h>
9 #include <linux/libfdt.h>
10 #include <fdt_support.h>
11 #include <pci.h>
12 #include <mpc83xx.h>
13 #include <netdev.h>
14 #include <asm/io.h>
15 #include <asm/fsl_serdes.h>
16 #include <asm/fsl_mpc83xx_serdes.h>
17 
checkboard(void)18 int checkboard(void)
19 {
20 	printf("Board: MPC8308 P1M\n");
21 
22 	return 0;
23 }
24 
25 static struct pci_region pcie_regions_0[] = {
26 	{
27 		.bus_start = CONFIG_SYS_PCIE1_MEM_BASE,
28 		.phys_start = CONFIG_SYS_PCIE1_MEM_PHYS,
29 		.size = CONFIG_SYS_PCIE1_MEM_SIZE,
30 		.flags = PCI_REGION_MEM,
31 	},
32 	{
33 		.bus_start = CONFIG_SYS_PCIE1_IO_BASE,
34 		.phys_start = CONFIG_SYS_PCIE1_IO_PHYS,
35 		.size = CONFIG_SYS_PCIE1_IO_SIZE,
36 		.flags = PCI_REGION_IO,
37 	},
38 };
39 
pci_init_board(void)40 void pci_init_board(void)
41 {
42 	immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
43 	sysconf83xx_t *sysconf = &immr->sysconf;
44 	law83xx_t *pcie_law = sysconf->pcielaw;
45 	struct pci_region *pcie_reg[] = { pcie_regions_0 };
46 
47 	fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_PEX,
48 					FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
49 
50 	/* Deassert the resets in the control register */
51 	out_be32(&sysconf->pecr1, 0xE0008000);
52 	udelay(2000);
53 
54 	/* Configure PCI Express Local Access Windows */
55 	out_be32(&pcie_law[0].bar, CONFIG_SYS_PCIE1_BASE & LAWBAR_BAR);
56 	out_be32(&pcie_law[0].ar, LBLAWAR_EN | LBLAWAR_512MB);
57 
58 	mpc83xx_pcie_init(1, pcie_reg);
59 }
60 
61 #if defined(CONFIG_OF_BOARD_SETUP)
ft_board_setup(void * blob,bd_t * bd)62 int ft_board_setup(void *blob, bd_t *bd)
63 {
64 	ft_cpu_setup(blob, bd);
65 	fsl_fdt_fixup_dr_usb(blob, bd);
66 
67 	return 0;
68 }
69 #endif
70 
board_eth_init(bd_t * bis)71 int board_eth_init(bd_t *bis)
72 {
73 	int rv, num_if = 0;
74 
75 	/* Initialize TSECs first */
76 	rv = cpu_eth_init(bis);
77 	if (rv >= 0)
78 		num_if += rv;
79 	else
80 		printf("ERROR: failed to initialize TSECs.\n");
81 
82 	rv = pci_eth_init(bis);
83 	if (rv >= 0)
84 		num_if += rv;
85 	else
86 		printf("ERROR: failed to initialize PCI Ethernet.\n");
87 
88 	return num_if;
89 }
90