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author | Amit Singh Tomar <amittomer25@gmail.com> | 2020-04-19 16:58:25 +0300 |
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committer | Tom Rini <trini@konsulko.com> | 2020-04-24 23:40:09 +0300 |
commit | b1a6bb3b5998f0f2e84f0a6d255e936be3eb17f5 (patch) | |
tree | fe4c51474dd35475bb3edcac1bfa949f7df4cf01 /arch/arm/mach-owl/soc.c | |
parent | c11f0d88ba462976335a4990a30a99d1d0b49195 (diff) | |
download | u-boot-b1a6bb3b5998f0f2e84f0a6d255e936be3eb17f5.tar.xz |
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>
Diffstat (limited to 'arch/arm/mach-owl/soc.c')
-rw-r--r-- | arch/arm/mach-owl/soc.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/arm/mach-owl/soc.c b/arch/arm/mach-owl/soc.c new file mode 100644 index 0000000000..409cbd319f --- /dev/null +++ b/arch/arm/mach-owl/soc.c @@ -0,0 +1,57 @@ +// 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(); +} |