2 * Copyright (C) 2011-2015 Panasonic Corporation
3 * Copyright (C) 2015-2017 Socionext Inc.
4 * Author: Masahiro Yamada <yamada.masahiro@socionext.com>
6 * SPDX-License-Identifier: GPL-2.0+
14 #define SBCTRL0_ADMULTIPLX_PERI_VALUE 0x33120000
15 #define SBCTRL1_ADMULTIPLX_PERI_VALUE 0x03005500
16 #define SBCTRL2_ADMULTIPLX_PERI_VALUE 0x14000020
18 #define SBCTRL0_ADMULTIPLX_MEM_VALUE 0x33120000
19 #define SBCTRL1_ADMULTIPLX_MEM_VALUE 0x03005500
20 #define SBCTRL2_ADMULTIPLX_MEM_VALUE 0x14000010
22 /* slower but LED works */
23 #define SBCTRL0_SAVEPIN_PERI_VALUE 0x55450000
24 #define SBCTRL1_SAVEPIN_PERI_VALUE 0x07168d00
25 #define SBCTRL2_SAVEPIN_PERI_VALUE 0x34000009
26 #define SBCTRL4_SAVEPIN_PERI_VALUE 0x02110110
28 /* faster but LED does not work */
29 #define SBCTRL0_SAVEPIN_MEM_VALUE 0x55450000
30 #define SBCTRL1_SAVEPIN_MEM_VALUE 0x06057700
31 /* NOR flash needs more wait counts than SRAM */
32 #define SBCTRL2_SAVEPIN_MEM_VALUE 0x34000009
33 #define SBCTRL4_SAVEPIN_MEM_VALUE 0x02110210
35 static void __uniphier_sbc_init(int savepin)
38 * Only CS1 is connected to support card.
39 * BKSZ[1:0] should be set to "01".
42 writel(SBCTRL0_SAVEPIN_PERI_VALUE, SBCTRL10);
43 writel(SBCTRL1_SAVEPIN_PERI_VALUE, SBCTRL11);
44 writel(SBCTRL2_SAVEPIN_PERI_VALUE, SBCTRL12);
45 writel(SBCTRL4_SAVEPIN_PERI_VALUE, SBCTRL14);
47 writel(SBCTRL0_ADMULTIPLX_MEM_VALUE, SBCTRL10);
48 writel(SBCTRL1_ADMULTIPLX_MEM_VALUE, SBCTRL11);
49 writel(SBCTRL2_ADMULTIPLX_MEM_VALUE, SBCTRL12);
52 if (boot_is_swapped()) {
54 * Boot Swap On: boot from external NOR/SRAM
55 * 0x42000000-0x43ffffff is a mirror of 0x40000000-0x41ffffff.
57 * 0x40000000-0x41efffff, 0x42000000-0x43efffff: memory bank
58 * 0x41f00000-0x41ffffff, 0x43f00000-0x43ffffff: peripherals
60 writel(0x0000bc01, SBBASE0);
63 * Boot Swap Off: boot from mask ROM
64 * 0x40000000-0x41ffffff: mask ROM
65 * 0x42000000-0x43efffff: memory bank (31MB)
66 * 0x43f00000-0x43ffffff: peripherals (1MB)
68 writel(0x0000be01, SBBASE0); /* dummy */
69 writel(0x0200be01, SBBASE1);
73 void uniphier_sbc_init_admulti(void)
75 __uniphier_sbc_init(0);
78 void uniphier_sbc_init_savepin(void)
80 __uniphier_sbc_init(1);