u-boot/board/ucRobotics/bubblegum_96/bubblegum_96.c
Manivannan Sadhasivam eba6589f7e board: Add uCRobotics Bubblegum-96 board support
This commit adds uCRobotics Bubblegum-96 board support. This board is
one of the 96Boards Consumer Edition platform based on Actions Semi
S900 SoC.

Features:
- Actions Semi S900 SoC (4xCortex A53, Power VR G6230 GPU)
- 2GiB RAM
- 8GiB eMMC, uSD slot
- WiFi, Bluetooth and GPS module
- 2x Host, 1x Device USB port
- HDMI
- 20-pin low speed and 40-pin high speed expanders, 6 LED, 3 buttons

U-Boot will be loaded by ATF at EL2 execution level. Relevant driver
support will be added in further commits.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
2018-07-09 15:25:23 -04:00

56 lines
1,012 B
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Bubblegum-96 Boards Support
*
* Copyright (C) 2018 Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
*/
#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();
}