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>
6 * Board specific routines for the MCR3000 board
8 * SPDX-License-Identifier: GPL-2.0+
14 #include <fdt_support.h>
17 DECLARE_GLOBAL_DATA_PTR;
19 #define SDRAM_MAX_SIZE (32 * 1024 * 1024)
21 static const uint cs1_dram_table_66[] = {
22 /* DRAM - single read. (offset 0 in upm RAM) */
23 0x0F3DFC04, 0x0FEFBC04, 0x00BE7804, 0x0FFDF400,
24 0x1FFFFC05, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
26 /* DRAM - burst read. (offset 8 in upm RAM) */
27 0x0F3DFC04, 0x0FEFBC04, 0x00BF7C04, 0x00FFFC00,
28 0x00FFFC00, 0x00FEF800, 0x0FFDF400, 0x1FFFFC05,
29 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
30 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
32 /* DRAM - single write. (offset 18 in upm RAM) */
33 0x0F3DFC04, 0x0FEFB800, 0x00BF7404, 0x0FFEF804,
34 0x0FFDF404, 0x1FFFFC05, 0xFFFFFFFF, 0xFFFFFFFF,
36 /* DRAM - burst write. (offset 20 in upm RAM) */
37 0x0F3DFC04, 0x0FEFB800, 0x00BF7400, 0x00FFFC00,
38 0x00FFFC00, 0x00FFFC04, 0x0FFEF804, 0x0FFDF404,
39 0x1FFFFC05, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
40 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
42 /* refresh (offset 30 in upm RAM) */
43 0x0FFDF404, 0x0FFEBC04, 0x0FFD7C84, 0x0FFFFC04,
44 0x0FFFFC04, 0x0FFFFC04, 0x1FFFFC85, 0xFFFFFFFF,
47 0x0FEEB874, 0x0FBD7474, 0x1FFFFC45, 0xFFFFFFFF,
49 /* exception. (offset 3c in upm RAM) */
50 0xFFFFFC05, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
53 int ft_board_setup(void *blob, bd_t *bd)
55 const char *sync = "receive";
57 ft_cpu_setup(blob, bd);
60 do_fixup_by_path_u32(blob, "/soc/cpm", "brg-frequency",
64 fdt_fixup_ethernet(blob);
66 /* Bus Frequency for CPM */
67 do_fixup_by_path_u32(blob, "/soc", "bus-frequency", bd->bi_busfreq, 1);
69 /* E1 interface - Set data rate */
70 do_fixup_by_path_u32(blob, "/localbus/e1-wan", "data-rate", 2, 1);
72 /* E1 interface - Set channel phase to 0 */
73 do_fixup_by_path_u32(blob, "/localbus/e1-wan", "channel-phase", 0, 1);
75 /* E1 interface - rising edge sync pulse transmit */
76 do_fixup_by_path(blob, "/localbus/e1-wan", "rising-edge-sync-pulse",
77 sync, strlen(sync), 1);
84 serial_puts("BOARD: MCR3000 CSSI\n");
91 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
92 memctl8xx_t __iomem *memctl = &immap->im_memctl;
94 printf("UPMA init for SDRAM (CAS latency 2), ");
95 printf("init address 0x%08x, size ", (int)dram_init);
96 /* Configure UPMA for cs1 */
97 upmconfig(UPMA, (uint *)cs1_dram_table_66,
98 sizeof(cs1_dram_table_66) / sizeof(uint));
100 out_be16(&memctl->memc_mptpr, 0x0200);
101 out_be32(&memctl->memc_mamr, 0x14904000);
103 out_be32(&memctl->memc_or1, CONFIG_SYS_OR1_PRELIM);
104 out_be32(&memctl->memc_br1, CONFIG_SYS_BR1_PRELIM);
106 out_be32(&memctl->memc_mcr, 0x80002830);
107 out_be32(&memctl->memc_mar, 0x00000088);
108 out_be32(&memctl->memc_mcr, 0x80002038);
111 gd->ram_size = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE,
117 int misc_init_r(void)
119 immap_t __iomem *immr = (immap_t __iomem *)CONFIG_SYS_IMMR;
120 iop8xx_t __iomem *iop = &immr->im_ioport;
122 /* Set port C13 as GPIO (BTN_ACQ_AL) */
123 clrbits_be16(&iop->iop_pcpar, 0x4);
124 clrbits_be16(&iop->iop_pcdir, 0x4);
126 /* if BTN_ACQ_AL is pressed then bootdelay is changed to 60 second */
127 if ((in_be16(&iop->iop_pcdat) & 0x0004) == 0)
128 env_set("bootdelay", "60");
133 int board_early_init_f(void)
135 immap_t __iomem *immr = (immap_t __iomem *)CONFIG_SYS_IMMR;
138 * Erase FPGA(s) for reboot
140 clrbits_be32(&immr->im_cpm.cp_pbdat, 0x00020000); /* PROGFPGA down */
141 setbits_be32(&immr->im_cpm.cp_pbdir, 0x00020000); /* PROGFPGA output */
142 udelay(1); /* Wait more than 300ns */
143 setbits_be32(&immr->im_cpm.cp_pbdat, 0x00020000); /* PROGFPGA up */