xref: /openbmc/u-boot/board/varisys/cyrus/cyrus.c (revision 85231c08)
1 /*
2  * Based on corenet_ds.c
3  *
4  * SPDX-License-Identifier:    GPL-2.0+
5  */
6 
7 #include <common.h>
8 #include <command.h>
9 #include <netdev.h>
10 #include <linux/compiler.h>
11 #include <asm/mmu.h>
12 #include <asm/processor.h>
13 #include <asm/cache.h>
14 #include <asm/immap_85xx.h>
15 #include <asm/fsl_law.h>
16 #include <asm/fsl_serdes.h>
17 #include <asm/fsl_portals.h>
18 #include <asm/fsl_liodn.h>
19 #include <fm_eth.h>
20 #include <pci.h>
21 
22 #include "cyrus.h"
23 #include "../common/eeprom.h"
24 
25 DECLARE_GLOBAL_DATA_PTR;
26 
27 #define GPIO_OPENDRAIN 0x30000000
28 #define GPIO_DIR       0x3c000004
29 #define GPIO_INITIAL   0x30000000
30 #define GPIO_VGA_SWITCH 0x00001000
31 
32 int checkboard(void)
33 {
34 	printf("Board: CYRUS\n");
35 
36 	return 0;
37 }
38 
39 int board_early_init_f(void)
40 {
41 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
42 	ccsr_gpio_t *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR);
43 
44 	/*
45 	 * Only use DDR1_MCK0/3 and DDR2_MCK0/3
46 	 * disable DDR1_MCK1/2/4/5 and DDR2_MCK1/2/4/5 to reduce
47 	 * the noise introduced by these unterminated and unused clock pairs.
48 	 */
49 	setbits_be32(&gur->ddrclkdr, 0x001B001B);
50 
51 	/* Set GPIO reset lines to open-drain, tristate */
52 	setbits_be32(&pgpio->gpdat, GPIO_INITIAL);
53 	setbits_be32(&pgpio->gpodr, GPIO_OPENDRAIN);
54 
55 	/* Set GPIO Direction */
56 	setbits_be32(&pgpio->gpdir, GPIO_DIR);
57 
58 	return 0;
59 }
60 
61 int board_early_init_r(void)
62 {
63 	fsl_lbc_t *lbc = LBC_BASE_ADDR;
64 
65 	out_be32(&lbc->lbcr, 0);
66 	/* 1 clock LALE cycle */
67 	out_be32(&lbc->lcrr, 0x80000000 | CONFIG_SYS_LBC_LCRR);
68 
69 	set_liodns();
70 
71 #ifdef CONFIG_SYS_DPAA_QBMAN
72 	setup_qbman_portals();
73 #endif
74 	print_lbc_regs();
75 	return 0;
76 }
77 
78 int misc_init_r(void)
79 {
80 	return 0;
81 }
82 
83 int ft_board_setup(void *blob, bd_t *bd)
84 {
85 	phys_addr_t base;
86 	phys_size_t size;
87 
88 	ft_cpu_setup(blob, bd);
89 
90 	base = env_get_bootm_low();
91 	size = env_get_bootm_size();
92 
93 	fdt_fixup_memory(blob, (u64)base, (u64)size);
94 
95 #ifdef CONFIG_PCI
96 	pci_of_setup(blob, bd);
97 #endif
98 
99 	fdt_fixup_liodn(blob);
100 	fsl_fdt_fixup_dr_usb(blob, bd);
101 
102 #ifdef CONFIG_SYS_DPAA_FMAN
103 	fdt_fixup_fman_ethernet(blob);
104 #endif
105 
106 	return 0;
107 }
108 
109 int mac_read_from_eeprom(void)
110 {
111 	init_eeprom(CONFIG_SYS_EEPROM_BUS_NUM,
112 		CONFIG_SYS_I2C_EEPROM_ADDR,
113 		CONFIG_SYS_I2C_EEPROM_ADDR_LEN);
114 
115 	return mac_read_from_eeprom_common();
116 }
117