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ARM: shmobile: r8a7779: Use ioremap() to map SMP registers

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Replace using the legacy IOMEM() macro to map the ARM Reset Vector
Address Register (AVECR) by ioremap().

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20201117103022.2136527-4-geert+renesas@glider.be
This commit is contained in:
Geert Uytterhoeven 2020-11-17 11:30:18 +01:00
parent caf67a9357
commit 617ff9e657
1 changed files with 9 additions and 3 deletions
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12
arch/arm/mach-shmobile/smp-r8a7779.c
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@ -20,8 +20,10 @@
#include "common.h"
#include "r8a7779.h"
#define AVECR IOMEM(0xfe700040)
#define R8A7779_SCU_BASE 0xf0000000
#define HPBREG_BASE 0xfe700000
#define AVECR 0x0040 /* ARM Reset Vector Address Register */
#define R8A7779_SCU_BASE 0xf0000000
static int r8a7779_boot_secondary(unsigned int cpu, struct task_struct *idle)
{
@ -36,11 +38,15 @@ static int r8a7779_boot_secondary(unsigned int cpu, struct task_struct *idle)
static void __init r8a7779_smp_prepare_cpus(unsigned int max_cpus)
{
void __iomem *base = ioremap(HPBREG_BASE, 0x1000);
/* Map the reset vector (in headsmp-scu.S, headsmp.S) */
__raw_writel(__pa(shmobile_boot_vector), AVECR);
__raw_writel(__pa(shmobile_boot_vector), base + AVECR);
/* setup r8a7779 specific SCU bits */
shmobile_smp_scu_prepare_cpus(R8A7779_SCU_BASE, max_cpus);
iounmap(base);
}
#ifdef CONFIG_HOTPLUG_CPU