xref: /openbmc/u-boot/board/varisys/cyrus/cyrus.c (revision fabbeb33)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Based on corenet_ds.c
4  */
5 
6 #include <common.h>
7 #include <command.h>
8 #include <netdev.h>
9 #include <linux/compiler.h>
10 #include <asm/mmu.h>
11 #include <asm/processor.h>
12 #include <asm/cache.h>
13 #include <asm/immap_85xx.h>
14 #include <asm/fsl_law.h>
15 #include <asm/fsl_serdes.h>
16 #include <asm/fsl_portals.h>
17 #include <asm/fsl_liodn.h>
18 #include <fm_eth.h>
19 #include <pci.h>
20 
21 #include "cyrus.h"
22 #include "../common/eeprom.h"
23 
24 #define GPIO_OPENDRAIN 0x30000000
25 #define GPIO_DIR       0x3c000004
26 #define GPIO_INITIAL   0x30000000
27 #define GPIO_VGA_SWITCH 0x00001000
28 
29 int checkboard(void)
30 {
31 	printf("Board: CYRUS\n");
32 
33 	return 0;
34 }
35 
36 int board_early_init_f(void)
37 {
38 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
39 	ccsr_gpio_t *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR);
40 
41 	/*
42 	 * Only use DDR1_MCK0/3 and DDR2_MCK0/3
43 	 * disable DDR1_MCK1/2/4/5 and DDR2_MCK1/2/4/5 to reduce
44 	 * the noise introduced by these unterminated and unused clock pairs.
45 	 */
46 	setbits_be32(&gur->ddrclkdr, 0x001B001B);
47 
48 	/* Set GPIO reset lines to open-drain, tristate */
49 	setbits_be32(&pgpio->gpdat, GPIO_INITIAL);
50 	setbits_be32(&pgpio->gpodr, GPIO_OPENDRAIN);
51 
52 	/* Set GPIO Direction */
53 	setbits_be32(&pgpio->gpdir, GPIO_DIR);
54 
55 	return 0;
56 }
57 
58 int board_early_init_r(void)
59 {
60 	fsl_lbc_t *lbc = LBC_BASE_ADDR;
61 
62 	out_be32(&lbc->lbcr, 0);
63 	/* 1 clock LALE cycle */
64 	out_be32(&lbc->lcrr, 0x80000000 | CONFIG_SYS_LBC_LCRR);
65 
66 	set_liodns();
67 
68 #ifdef CONFIG_SYS_DPAA_QBMAN
69 	setup_qbman_portals();
70 #endif
71 	print_lbc_regs();
72 	return 0;
73 }
74 
75 int misc_init_r(void)
76 {
77 	return 0;
78 }
79 
80 int ft_board_setup(void *blob, bd_t *bd)
81 {
82 	phys_addr_t base;
83 	phys_size_t size;
84 
85 	ft_cpu_setup(blob, bd);
86 
87 	base = env_get_bootm_low();
88 	size = env_get_bootm_size();
89 
90 	fdt_fixup_memory(blob, (u64)base, (u64)size);
91 
92 #ifdef CONFIG_PCI
93 	pci_of_setup(blob, bd);
94 #endif
95 
96 	fdt_fixup_liodn(blob);
97 	fsl_fdt_fixup_dr_usb(blob, bd);
98 
99 #ifdef CONFIG_SYS_DPAA_FMAN
100 	fdt_fixup_fman_ethernet(blob);
101 #endif
102 
103 	return 0;
104 }
105 
106 int mac_read_from_eeprom(void)
107 {
108 	init_eeprom(CONFIG_SYS_EEPROM_BUS_NUM,
109 		CONFIG_SYS_I2C_EEPROM_ADDR,
110 		CONFIG_SYS_I2C_EEPROM_ADDR_LEN);
111 
112 	return mac_read_from_eeprom_common();
113 }
114