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65abdd1978
Rename rmobile.h to renesas.h because all the chips are made
by Renesas, while only a subset of them is from the R-Mobile
line.
Use the following command to perform the rename:
"
$ git grep -l 'include.*rmobile.h' | \
xargs -I {} sed -i '/include.*rmobile.h/ s@rmobile.h@renesas.h@g' {}
"
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reviewed-by: Paul Barker <paul.barker.ct@bp.renesas.com>
66 lines
1.2 KiB
C
66 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* board/renesas/whitehawk/whitehawk.c
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* This file is White Hawk board support.
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*
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* Copyright (C) 2021 Renesas Electronics Corp.
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*/
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#include <asm/arch/renesas.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/global_data.h>
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#include <asm/io.h>
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#include <asm/mach-types.h>
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#include <asm/processor.h>
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#include <linux/errno.h>
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#include <asm/system.h>
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DECLARE_GLOBAL_DATA_PTR;
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static void init_generic_timer(void)
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{
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const u32 freq = CONFIG_SYS_CLK_FREQ;
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/* Update memory mapped and register based freqency */
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asm volatile ("msr cntfrq_el0, %0" :: "r" (freq));
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writel(freq, CNTFID0);
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/* Enable counter */
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setbits_le32(CNTCR_BASE, CNTCR_EN);
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}
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static void init_gic_v3(void)
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{
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/* GIC v3 power on */
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writel(BIT(1), GICR_LPI_PWRR);
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/* Wait till the WAKER_CA_BIT changes to 0 */
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clrbits_le32(GICR_LPI_WAKER, BIT(1));
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while (readl(GICR_LPI_WAKER) & BIT(2))
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;
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writel(0xffffffff, GICR_SGI_BASE + GICR_IGROUPR0);
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}
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void s_init(void)
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{
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if (current_el() == 3)
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init_generic_timer();
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}
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int board_early_init_f(void)
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{
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/* Unlock CPG access */
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writel(0x5A5AFFFF, CPGWPR);
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writel(0xA5A50000, CPGWPCR);
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return 0;
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}
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int board_init(void)
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{
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if (current_el() == 3)
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init_gic_v3();
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return 0;
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}
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