usb: ums: add ums exit feature by ctrl+c or by detach usb cable
[platform/kernel/u-boot.git] / board / adder / adder.c
1 /*
2  * Copyright (C) 2004-2005 Arabella Software Ltd.
3  * Yuli Barcohen <yuli@arabellasw.com>
4  *
5  * Support for Analogue&Micro Adder boards family.
6  * Tested on AdderII and Adder87x.
7  *
8  * SPDX-License-Identifier:     GPL-2.0+
9  */
10
11 #include <common.h>
12 #include <mpc8xx.h>
13 #if defined(CONFIG_OF_LIBFDT)
14         #include <libfdt.h>
15 #endif
16
17 /*
18  * SDRAM is single Samsung K4S643232F-T70   chip (8MB)
19  *       or single Micron  MT48LC4M32B2TG-7 chip (16MB).
20  * Minimal CPU frequency is 40MHz.
21  */
22 static uint sdram_table[] = {
23         /* Single read  (offset 0x00 in UPM RAM) */
24         0x1f07fc24, 0xe0aefc04, 0x10adfc04, 0xe0bbbc00,
25         0x10f77c44, 0xf3fffc07, 0xfffffc04, 0xfffffc04,
26
27         /* Burst read   (offset 0x08 in UPM RAM) */
28         0x1f07fc24, 0xe0aefc04, 0x10adfc04, 0xf0affc00,
29         0xf0affc00, 0xf0affc00, 0xf0affc00, 0x10a77c44,
30         0xf7bffc47, 0xfffffc35, 0xfffffc34, 0xfffffc35,
31         0xfffffc35, 0x1ff77c35, 0xfffffc34, 0x1fb57c35,
32
33         /* Single write (offset 0x18 in UPM RAM) */
34         0x1f27fc24, 0xe0aebc04, 0x00b93c00, 0x13f77c47,
35         0xfffdfc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
36
37         /* Burst write  (offset 0x20 in UPM RAM) */
38         0x1f07fc24, 0xeeaebc00, 0x10ad7c00, 0xf0affc00,
39         0xf0affc00, 0xe0abbc00, 0x1fb77c47, 0xfffffc04,
40         0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
41         0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
42
43         /* Refresh      (offset 0x30 in UPM RAM) */
44         0x1ff5fc84, 0xfffffc04, 0xfffffc04, 0xfffffc04,
45         0xfffffc84, 0xfffffc07, 0xfffffc04, 0xfffffc04,
46         0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
47
48         /* Exception    (offset 0x3C in UPM RAM) */
49         0xfffffc27, 0xfffffc04, 0xfffffc04, 0xfffffc04
50 };
51
52 phys_size_t initdram (int board_type)
53 {
54         long int msize;
55         volatile immap_t     *immap  = (volatile immap_t *)CONFIG_SYS_IMMR;
56         volatile memctl8xx_t *memctl = &immap->im_memctl;
57
58         upmconfig(UPMA, sdram_table, sizeof(sdram_table) / sizeof(uint));
59
60         /* Configure SDRAM refresh */
61         memctl->memc_mptpr = MPTPR_PTP_DIV32; /* BRGCLK/32 */
62
63         memctl->memc_mamr = (94 << 24) | CONFIG_SYS_MAMR; /* No refresh */
64         udelay(200);
65
66         /* Run precharge from location 0x15 */
67         memctl->memc_mar = 0x0;
68         memctl->memc_mcr = 0x80002115;
69         udelay(200);
70
71         /* Run 8 refresh cycles */
72         memctl->memc_mcr = 0x80002830;
73         udelay(200);
74
75         /* Run MRS pattern from location 0x16 */
76         memctl->memc_mar = 0x88;
77         memctl->memc_mcr = 0x80002116;
78         udelay(200);
79
80         memctl->memc_mamr |=  MAMR_PTAE; /* Enable refresh */
81         memctl->memc_or1   = ~(CONFIG_SYS_SDRAM_MAX_SIZE - 1) | OR_CSNT_SAM;
82         memctl->memc_br1   =  CONFIG_SYS_SDRAM_BASE | BR_PS_32 | BR_MS_UPMA | BR_V;
83
84         msize = get_ram_size(CONFIG_SYS_SDRAM_BASE, CONFIG_SYS_SDRAM_MAX_SIZE);
85         memctl->memc_or1  |= ~(msize - 1);
86
87         return msize;
88 }
89
90 int checkboard( void )
91 {
92         puts("Board: Adder");
93 #if defined(CONFIG_MPC885_FAMILY)
94         puts("87x\n");
95 #elif defined(CONFIG_MPC866_FAMILY)
96         puts("II\n");
97 #endif
98
99         return 0;
100 }
101
102 #if defined(CONFIG_OF_BOARD_SETUP)
103 void ft_board_setup(void *blob, bd_t *bd)
104 {
105         ft_cpu_setup(blob, bd);
106
107 }
108 #endif