u-boot-brain/arch/arm/mach-uniphier/sbc/sbc-pxs2.c
Masahiro Yamada ea65c98050 ARM: uniphier: drop PH1- prefix from CONFIG options and file names
The current CONFIG names like "CONFIG_ARCH_UNIPHIER_PH1_PRO4" is too
long.  It would not hurt to drop "PH1_" because "UNIPHIER_" already
well specifies the SoC family.  Also, rename files for consistency.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2016-03-24 01:42:13 +09:00

50 lines
1.2 KiB
C

/*
* Copyright (C) 2015 Masahiro Yamada <yamada.masahiro@socionext.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <linux/io.h>
#include "../init.h"
#include "../sg-regs.h"
#include "sbc-regs.h"
int proxstream2_sbc_init(const struct uniphier_board_data *bd)
{
/* necessary for ROM boot ?? */
/* system bus output enable */
writel(0x17, PC0CTRL);
/*
* Only CS1 is connected to support card.
* BKSZ[1:0] should be set to "01".
*/
writel(SBCTRL0_SAVEPIN_PERI_VALUE, SBCTRL10);
writel(SBCTRL1_SAVEPIN_PERI_VALUE, SBCTRL11);
writel(SBCTRL2_SAVEPIN_PERI_VALUE, SBCTRL12);
writel(SBCTRL4_SAVEPIN_PERI_VALUE, SBCTRL14);
if (boot_is_swapped()) {
/*
* Boot Swap On: boot from external NOR/SRAM
* 0x42000000-0x43ffffff is a mirror of 0x40000000-0x41ffffff.
*
* 0x40000000-0x41efffff, 0x42000000-0x43efffff: memory bank
* 0x41f00000-0x41ffffff, 0x43f00000-0x43ffffff: peripherals
*/
writel(0x0000bc01, SBBASE0);
} else {
/*
* Boot Swap Off: boot from mask ROM
* 0x40000000-0x41ffffff: mask ROM
* 0x42000000-0x43efffff: memory bank (31MB)
* 0x43f00000-0x43ffffff: peripherals (1MB)
*/
writel(0x0000be01, SBBASE0); /* dummy */
writel(0x0200be01, SBBASE1);
}
return 0;
}