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gerrit.cesnet.cz / github / trini / u-boot / 382bee57f19b4454e2015bc19a010bc2d0ab9337 / . / board / cssi / MCR3000 / MCR3000.c
blob: c92888180496d09fef7e7e5135fd934963fef439 [file] [log] [blame]
Christophe Leroy53193a42017-07-07 10:16:42 +0200[diff] [blame]1/*
2 * Copyright (C) 2010-2017 CS Systemes d'Information
3 * Florent Trinh Thai <florent.trinh-thai@c-s.fr>
4 * Christophe Leroy <christophe.leroy@c-s.fr>
5 *
6 * Board specific routines for the MCR3000 board
7 *
8 * SPDX-License-Identifier: GPL-2.0+
9 */
10
11#include <common.h>
12#include <hwconfig.h>
13#include <mpc8xx.h>
14#include <fdt_support.h>
15#include <asm/io.h>
16
17DECLARE_GLOBAL_DATA_PTR;
18
19static const uint cs1_dram_table_66[] = {
20 /* DRAM - single read. (offset 0 in upm RAM) */
21 0x0F3DFC04, 0x0FEFBC04, 0x00BE7804, 0x0FFDF400,
22 0x1FFFFC05, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
23
24 /* DRAM - burst read. (offset 8 in upm RAM) */
25 0x0F3DFC04, 0x0FEFBC04, 0x00BF7C04, 0x00FFFC00,
26 0x00FFFC00, 0x00FEF800, 0x0FFDF400, 0x1FFFFC05,
27 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
28 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
29
30 /* DRAM - single write. (offset 18 in upm RAM) */
31 0x0F3DFC04, 0x0FEFB800, 0x00BF7404, 0x0FFEF804,
32 0x0FFDF404, 0x1FFFFC05, 0xFFFFFFFF, 0xFFFFFFFF,
33
34 /* DRAM - burst write. (offset 20 in upm RAM) */
35 0x0F3DFC04, 0x0FEFB800, 0x00BF7400, 0x00FFFC00,
36 0x00FFFC00, 0x00FFFC04, 0x0FFEF804, 0x0FFDF404,
37 0x1FFFFC05, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
38 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
39
40 /* refresh (offset 30 in upm RAM) */
41 0x0FFDF404, 0x0FFEBC04, 0x0FFD7C84, 0x0FFFFC04,
42 0x0FFFFC04, 0x0FFFFC04, 0x1FFFFC85, 0xFFFFFFFF,
43
44 /* init */
45 0x0FEEB874, 0x0FBD7474, 0x1FFFFC45, 0xFFFFFFFF,
46
47 /* exception. (offset 3c in upm RAM) */
48 0xFFFFFC05, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
49};
50
51int ft_board_setup(void *blob, bd_t *bd)
52{
53 const char *sync = "receive";
54
55 ft_cpu_setup(blob, bd);
56
57 /* BRG */
58 do_fixup_by_path_u32(blob, "/soc/cpm", "brg-frequency",
59 bd->bi_busfreq, 1);
60
61 /* MAC addr */
62 fdt_fixup_ethernet(blob);
63
64 /* Bus Frequency for CPM */
65 do_fixup_by_path_u32(blob, "/soc", "bus-frequency", bd->bi_busfreq, 1);
66
67 /* E1 interface - Set data rate */
68 do_fixup_by_path_u32(blob, "/localbus/e1-wan", "data-rate", 2, 1);
69
70 /* E1 interface - Set channel phase to 0 */
71 do_fixup_by_path_u32(blob, "/localbus/e1-wan", "channel-phase", 0, 1);
72
73 /* E1 interface - rising edge sync pulse transmit */
74 do_fixup_by_path(blob, "/localbus/e1-wan", "rising-edge-sync-pulse",
75 sync, strlen(sync), 1);
76
77 return 0;
78}
79
80int checkboard(void)
81{
82 serial_puts("BOARD: MCR3000 CSSI\n");
83
84 return 0;
85}
86
87int dram_init(void)
88{
89 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
90 memctl8xx_t __iomem *memctl = &immap->im_memctl;
91
92 printf("UPMA init for SDRAM (CAS latency 2), ");
93 printf("init address 0x%08x, size ", (int)dram_init);
94 /* Configure UPMA for cs1 */
95 upmconfig(UPMA, (uint *)cs1_dram_table_66,
96 sizeof(cs1_dram_table_66) / sizeof(uint));
97 udelay(10);
98 out_be16(&memctl->memc_mptpr, 0x0200);
99 out_be32(&memctl->memc_mamr, 0x14904000);
100 udelay(10);
101 out_be32(&memctl->memc_or1, CONFIG_SYS_OR1_PRELIM);
102 out_be32(&memctl->memc_br1, CONFIG_SYS_BR1_PRELIM);
103 udelay(10);
104 out_be32(&memctl->memc_mcr, 0x80002830);
105 out_be32(&memctl->memc_mar, 0x00000088);
106 out_be32(&memctl->memc_mcr, 0x80002038);
107 udelay(200);
108
109 gd->ram_size = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE,
110 SDRAM_MAX_SIZE);
111
112 return 0;
113}
114
115int misc_init_r(void)
116{
117 immap_t __iomem *immr = (immap_t __iomem *)CONFIG_SYS_IMMR;
118 iop8xx_t __iomem *iop = &immr->im_ioport;
119
120 /* Set port C13 as GPIO (BTN_ACQ_AL) */
121 clrbits_be16(&iop->iop_pcpar, 0x4);
122 clrbits_be16(&iop->iop_pcdir, 0x4);
123
124 /* if BTN_ACQ_AL is pressed then bootdelay is changed to 60 second */
125 if ((in_be16(&iop->iop_pcdat) & 0x0004) == 0)
Simon Glass382bee52017-08-03 12:22:09 -0600[diff] [blame^]126 env_set("bootdelay", "60");
Christophe Leroy53193a42017-07-07 10:16:42 +0200[diff] [blame]127
128 return 0;
129}
130
131int board_early_init_f(void)
132{
133 immap_t __iomem *immr = (immap_t __iomem *)CONFIG_SYS_IMMR;
134
135 /*
136 * Erase FPGA(s) for reboot
137 */
138 clrbits_be32(&immr->im_cpm.cp_pbdat, 0x00020000); /* PROGFPGA down */
139 setbits_be32(&immr->im_cpm.cp_pbdir, 0x00020000); /* PROGFPGA output */
140 udelay(1); /* Wait more than 300ns */
141 setbits_be32(&immr->im_cpm.cp_pbdat, 0x00020000); /* PROGFPGA up */
142
143 return 0;
144}