mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-17 10:18:38 +00:00
7fe9d7d1ba
Switch ifdef in rmobile_get_prr() to IS_ENABLED() macro. The CONFIG_RCAR_GEN3 will never have SPL counterpart, so the IS_ENABLED() macro is the right one here. No functional change, except for improved build test coverage. Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
50 lines
985 B
C
50 lines
985 B
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* arch/arm/cpu/armv7/rmobile/cpu_info-rcar.c
|
|
*
|
|
* Copyright (C) 2013,2014 Renesas Electronics Corporation
|
|
*/
|
|
#include <common.h>
|
|
#include <asm/io.h>
|
|
|
|
#define PRR_MASK 0x7fff
|
|
#define R8A7796_REV_1_0 0x5200
|
|
#define R8A7796_REV_1_1 0x5210
|
|
#define R8A7796_REV_1_3 0x5211
|
|
|
|
static u32 rmobile_get_prr(void)
|
|
{
|
|
if (IS_ENABLED(CONFIG_RCAR_GEN3))
|
|
return readl(0xFFF00044);
|
|
|
|
return readl(0xFF000044);
|
|
}
|
|
|
|
u32 rmobile_get_cpu_type(void)
|
|
{
|
|
return (rmobile_get_prr() & 0x00007F00) >> 8;
|
|
}
|
|
|
|
u32 rmobile_get_cpu_rev_integer(void)
|
|
{
|
|
const u32 prr = rmobile_get_prr();
|
|
const u32 rev = prr & PRR_MASK;
|
|
|
|
if (rev == R8A7796_REV_1_1 || rev == R8A7796_REV_1_3)
|
|
return 1;
|
|
else
|
|
return ((prr & 0x000000F0) >> 4) + 1;
|
|
}
|
|
|
|
u32 rmobile_get_cpu_rev_fraction(void)
|
|
{
|
|
const u32 prr = rmobile_get_prr();
|
|
const u32 rev = prr & PRR_MASK;
|
|
|
|
if (rev == R8A7796_REV_1_1)
|
|
return 1;
|
|
else if (rev == R8A7796_REV_1_3)
|
|
return 3;
|
|
else
|
|
return prr & 0x0000000F;
|
|
}
|