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/*
* Copyright (C) 2011-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <linux/io.h>
#include <mach/sbc-regs.h>
#include <mach/sg-regs.h>
void sbc_init(void)
{
u32 tmp;
/* system bus output enable */
tmp = readl(PC0CTRL);
tmp &= 0xfffffcff;
writel(tmp, PC0CTRL);
/*
* SBCTRL0* does not need settings because PH1-sLD8 has no support for
* XECS0. The boot swap must be enabled to boot from the support card.
*/
if (boot_is_swapped()) {
/* XECS1 : boot memory if boot swap is on */
writel(SBCTRL0_SAVEPIN_MEM_VALUE, SBCTRL10);
writel(SBCTRL1_SAVEPIN_MEM_VALUE, SBCTRL11);
writel(SBCTRL2_SAVEPIN_MEM_VALUE, SBCTRL12);
writel(SBCTRL4_SAVEPIN_MEM_VALUE, SBCTRL14);
}
/* XECS4 : sub memory */
writel(SBCTRL0_SAVEPIN_MEM_VALUE, SBCTRL40);
writel(SBCTRL1_SAVEPIN_MEM_VALUE, SBCTRL41);
writel(SBCTRL2_SAVEPIN_MEM_VALUE, SBCTRL42);
writel(SBCTRL4_SAVEPIN_MEM_VALUE, SBCTRL44);
/* XECS5 : peripherals */
writel(SBCTRL0_SAVEPIN_PERI_VALUE, SBCTRL50);
writel(SBCTRL1_SAVEPIN_PERI_VALUE, SBCTRL51);
writel(SBCTRL2_SAVEPIN_PERI_VALUE, SBCTRL52);
writel(SBCTRL4_SAVEPIN_PERI_VALUE, SBCTRL54);
/* base address regsiters */
writel(0x0000bc01, SBBASE0); /* boot memory */
writel(0x0900bfff, SBBASE1); /* dummy */
writel(0x0400bc01, SBBASE4); /* sub memory */
writel(0x0800bf01, SBBASE5); /* peripherals */
sg_set_pinsel(134, 16); /* XIRQ6 -> XECS4 */
sg_set_pinsel(135, 16); /* XIRQ7 -> XECS5 */
/* dummy read to assure write process */
readl(SG_PINCTRL(0));
}
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