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ARM: renesas: Add GICv3 initialization for V3U Falcon

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Init GICv3 for V3U Falcon in early phase

Signed-off-by: Koji Matsuoka <koji.matsuoka.xm@renesas.com>
Signed-off-by: Hai Pham <hai.pham.ud@renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
This commit is contained in:
Koji Matsuoka 2020-07-16 12:11:16 +09:00 committed by Marek Vasut
parent b3494132f0
commit cdaa69c46e
2 changed files with 40 additions and 0 deletions
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29
board/renesas/falcon/falcon.c
View File

@ -40,6 +40,33 @@ static void init_generic_timer(void)
setbits_le32(CNTCR_BASE, CNTCR_EN); setbits_le32(CNTCR_BASE, CNTCR_EN);
} }
/* Distributor Registers */
#define GICD_BASE 0xF1000000
/* ReDistributor Registers for Control and Physical LPIs */
#define GICR_LPI_BASE 0xF1060000
#define GICR_WAKER 0x0014
#define GICR_PWRR 0x0024
#define GICR_LPI_WAKER (GICR_LPI_BASE + GICR_WAKER)
#define GICR_LPI_PWRR (GICR_LPI_BASE + GICR_PWRR)
/* ReDistributor Registers for SGIs and PPIs */
#define GICR_SGI_BASE 0xF1070000
#define GICR_IGROUPR0 0x0080
static void init_gic_v3(void)
{
/* GIC v3 power on */
writel(0x00000002, (GICR_LPI_PWRR));
/* Wait till the WAKER_CA_BIT changes to 0 */
writel(readl(GICR_LPI_WAKER) & ~0x00000002, (GICR_LPI_WAKER));
while (readl(GICR_LPI_WAKER) & 0x00000004)
;
writel(0xffffffff, GICR_SGI_BASE + GICR_IGROUPR0);
}
void s_init(void) void s_init(void)
{ {
init_generic_timer(); init_generic_timer();
@ -59,6 +86,8 @@ int board_init(void)
/* address of boot parameters */ /* address of boot parameters */
gd->bd->bi_boot_params = CONFIG_SYS_TEXT_BASE + 0x50000; gd->bd->bi_boot_params = CONFIG_SYS_TEXT_BASE + 0x50000;
init_gic_v3();
return 0; return 0;
} }

11
include/configs/falcon.h
View File

@ -11,6 +11,17 @@
#include "rcar-gen3-common.h" #include "rcar-gen3-common.h"
/* Generic Interrupt Controller Definitions */
#ifdef CONFIG_GICV2
#undef CONFIG_GICV2
#undef GICD_BASE
#undef GICC_BASE
#undef GICR_BASE
#endif
#define CONFIG_GICV3
#define GICD_BASE 0xF1000000
#define GICR_BASE 0xF1060000
/* Ethernet RAVB */ /* Ethernet RAVB */
#define CONFIG_BITBANGMII #define CONFIG_BITBANGMII
#define CONFIG_BITBANGMII_MULTI #define CONFIG_BITBANGMII_MULTI