]>
Commit | Line | Data |
---|---|---|
3365b4eb MY |
1 | /* |
2 | * Copyright (C) 2011-2015 Masahiro Yamada <yamada.masahiro@socionext.com> | |
3 | * | |
4 | * SPDX-License-Identifier: GPL-2.0+ | |
5 | */ | |
6 | ||
3365b4eb MY |
7 | #include <linux/io.h> |
8 | #include <mach/bcu-regs.h> | |
323d1f9d | 9 | #include <mach/init.h> |
3365b4eb MY |
10 | |
11 | #define ch(x) ((x) >= 32 ? 0 : (x) < 0 ? 0x11111111 : 0x11111111 << (x)) | |
12 | ||
323d1f9d | 13 | int ph1_sld3_bcu_init(const struct uniphier_board_data *bd) |
3365b4eb MY |
14 | { |
15 | int shift; | |
16 | ||
17 | writel(0x11111111, BCSCR2); /* 0x80000000-0x9fffffff: IPPC/IPPD-bus */ | |
18 | writel(0x11111111, BCSCR3); /* 0xa0000000-0xbfffffff: IPPC/IPPD-bus */ | |
19 | writel(0x11111111, BCSCR4); /* 0xc0000000-0xdfffffff: IPPC/IPPD-bus */ | |
20 | /* | |
21 | * 0xe0000000-0xefffffff: Ex-bus | |
22 | * 0xf0000000-0xfbffffff: ASM bus | |
23 | * 0xfc000000-0xffffffff: OCM bus | |
24 | */ | |
25 | writel(0x24440000, BCSCR5); | |
26 | ||
27 | /* Specify DDR channel */ | |
323d1f9d | 28 | shift = (bd->dram_ch1_base - bd->dram_ch0_base) / 0x04000000 * 4; |
3365b4eb MY |
29 | writel(ch(shift), BCIPPCCHR2); /* 0x80000000-0x9fffffff */ |
30 | ||
31 | shift -= 32; | |
32 | writel(ch(shift), BCIPPCCHR3); /* 0xa0000000-0xbfffffff */ | |
33 | ||
34 | shift -= 32; | |
35 | writel(ch(shift), BCIPPCCHR4); /* 0xc0000000-0xdfffffff */ | |
323d1f9d MY |
36 | |
37 | return 0; | |
3365b4eb | 38 | } |