u-boot/arch/arm/mach-owl/soc.c
Amit Singh Tomar b1a6bb3b59 arm: actions: Add common framework for Actions Owl Semi SoCs
This commit adds common arch support for Actions Semi Owl
series SoCs and removes the Bubblegum96 board files.

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Amit Singh Tomar <amittomer25@gmail.com>
2020-04-24 16:40:09 -04:00

57 lines
1 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Actions Semi Owl SoCs platform support.
*
* Copyright (C) 2018 Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
*/
#include <cpu_func.h>
#include <linux/arm-smccc.h>
#include <linux/psci.h>
#include <common.h>
#include <asm/io.h>
#include <asm/mach-types.h>
#include <asm/psci.h>
DECLARE_GLOBAL_DATA_PTR;
/*
* dram_init - sets uboots idea of sdram size
*/
int dram_init(void)
{
gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
return 0;
}
/* This is called after dram_init() so use get_ram_size result */
int dram_init_banksize(void)
{
gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
gd->bd->bi_dram[0].size = gd->ram_size;
return 0;
}
static void show_psci_version(void)
{
struct arm_smccc_res res;
arm_smccc_smc(ARM_PSCI_0_2_FN_PSCI_VERSION, 0, 0, 0, 0, 0, 0, 0, &res);
printf("PSCI: v%ld.%ld\n",
PSCI_VERSION_MAJOR(res.a0),
PSCI_VERSION_MINOR(res.a0));
}
int board_init(void)
{
show_psci_version();
return 0;
}
void reset_cpu(ulong addr)
{
psci_system_reset();
}