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 <init.h>
10 #include <net.h>
11 #include <linux/delay.h>
12 #include <linux/libfdt.h>
13 #include <fdt_support.h>
14 #include <pci.h>
15 #include <mpc83xx.h>
16 #include <netdev.h>
17 #include <asm/io.h>
18 #include <asm/fsl_serdes.h>
19 #include <asm/fsl_mpc83xx_serdes.h>
20 
checkboard(void)21 int checkboard(void)
22 {
23 	printf("Board: MPC8308 P1M\n");
24 
25 	return 0;
26 }
27 
28 static struct pci_region pcie_regions_0[] = {
29 	{
30 		.bus_start = CONFIG_SYS_PCIE1_MEM_BASE,
31 		.phys_start = CONFIG_SYS_PCIE1_MEM_PHYS,
32 		.size = CONFIG_SYS_PCIE1_MEM_SIZE,
33 		.flags = PCI_REGION_MEM,
34 	},
35 	{
36 		.bus_start = CONFIG_SYS_PCIE1_IO_BASE,
37 		.phys_start = CONFIG_SYS_PCIE1_IO_PHYS,
38 		.size = CONFIG_SYS_PCIE1_IO_SIZE,
39 		.flags = PCI_REGION_IO,
40 	},
41 };
42 
pci_init_board(void)43 void pci_init_board(void)
44 {
45 	immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
46 	sysconf83xx_t *sysconf = &immr->sysconf;
47 	law83xx_t *pcie_law = sysconf->pcielaw;
48 	struct pci_region *pcie_reg[] = { pcie_regions_0 };
49 
50 	fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_PEX,
51 					FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
52 
53 	/* Deassert the resets in the control register */
54 	out_be32(&sysconf->pecr1, 0xE0008000);
55 	udelay(2000);
56 
57 	/* Configure PCI Express Local Access Windows */
58 	out_be32(&pcie_law[0].bar, CONFIG_SYS_PCIE1_BASE & LAWBAR_BAR);
59 	out_be32(&pcie_law[0].ar, LBLAWAR_EN | LBLAWAR_512MB);
60 
61 	mpc83xx_pcie_init(1, pcie_reg);
62 }
63 
64 #if defined(CONFIG_OF_BOARD_SETUP)
ft_board_setup(void * blob,struct bd_info * bd)65 int ft_board_setup(void *blob, struct bd_info *bd)
66 {
67 	ft_cpu_setup(blob, bd);
68 	fsl_fdt_fixup_dr_usb(blob, bd);
69 
70 	return 0;
71 }
72 #endif
73 
board_eth_init(struct bd_info * bis)74 int board_eth_init(struct bd_info *bis)
75 {
76 	int rv, num_if = 0;
77 
78 	/* Initialize TSECs first */
79 	rv = cpu_eth_init(bis);
80 	if (rv >= 0)
81 		num_if += rv;
82 	else
83 		printf("ERROR: failed to initialize TSECs.\n");
84 
85 	rv = pci_eth_init(bis);
86 	if (rv >= 0)
87 		num_if += rv;
88 	else
89 		printf("ERROR: failed to initialize PCI Ethernet.\n");
90 
91 	return num_if;
92 }
93