mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-14 08:57:58 +00:00
107b3fb484
These headers are only included locally in arch/arm/mach-uniphier/. There is no reason to export them by putting in the mach/ directory. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
35 lines
1,011 B
C
35 lines
1,011 B
C
/*
|
|
* Copyright (C) 2011-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <linux/io.h>
|
|
|
|
#include "../init.h"
|
|
#include "bcu-regs.h"
|
|
|
|
#define ch(x) ((x) >= 32 ? 0 : (x) < 0 ? 0x11111111 : 0x11111111 << (x))
|
|
|
|
int ph1_ld4_bcu_init(const struct uniphier_board_data *bd)
|
|
{
|
|
int shift;
|
|
|
|
writel(0x44444444, BCSCR0); /* 0x20000000-0x3fffffff: ASM bus */
|
|
writel(0x11111111, BCSCR2); /* 0x80000000-0x9fffffff: IPPC/IPPD-bus */
|
|
writel(0x11111111, BCSCR3); /* 0xa0000000-0xbfffffff: IPPC/IPPD-bus */
|
|
writel(0x11111111, BCSCR4); /* 0xc0000000-0xdfffffff: IPPC/IPPD-bus */
|
|
writel(0x11111111, BCSCR5); /* 0xe0000000-0Xffffffff: IPPC/IPPD-bus */
|
|
|
|
/* Specify DDR channel */
|
|
shift = (bd->dram_ch1_base - bd->dram_ch0_base) / 0x04000000 * 4;
|
|
writel(ch(shift), BCIPPCCHR2); /* 0x80000000-0x9fffffff */
|
|
|
|
shift -= 32;
|
|
writel(ch(shift), BCIPPCCHR3); /* 0xa0000000-0xbfffffff */
|
|
|
|
shift -= 32;
|
|
writel(ch(shift), BCIPPCCHR4); /* 0xc0000000-0xdfffffff */
|
|
|
|
return 0;
|
|
}
|