u-boot/board/st/stm32f469-discovery/stm32f469-discovery.c
Patrice Chotard c0cdd5adc8 board: stm32: add stm32f469-discovery board support
This board offers :

 _ STM32F469NIH6 microcontroller featuring 2 Mbytes of Flash memory
   and 324 Kbytes of RAM in BGA216 package
 _ On-board ST-LINK/V2-1 SWD debugger, supporting USB reenumeration capability:
     _ Mbed-enabled (mbed.org)
     _ USB functions: USB virtual COM port, mass storage, debug port
 _ 4 inches 800x480 pixel TFT color LCD with MIPI DSI interface and capacitive
   touch screen
 _ SAI Audio DAC, with a stereo headphone output jack
 _ 3 MEMS microphones
 _ MicroSD card connector
 _ I2C extension connector
 _ 4Mx32bit SDRAM
 _ 128-Mbit Quad-SPI NOR Flash
 _ Reset and wake-up buttons
 _ 4 color user LEDs
 _ USB OTG FS with Micro-AB connector
 _ Three power supply options:
 _ Expansion connectors and Arduino™ UNO V3 connectors

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2018-01-10 08:05:47 -05:00

74 lines
1.1 KiB
C

/*
* Copyright (C) STMicroelectronics SA 2017
* Author(s): Patrice CHOTARD, <patrice.chotard@st.com> for STMicroelectronics.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dm.h>
#include <asm/io.h>
#include <asm/arch/stm32.h>
DECLARE_GLOBAL_DATA_PTR;
int dram_init(void)
{
int rv;
struct udevice *dev;
rv = uclass_get_device(UCLASS_RAM, 0, &dev);
if (rv) {
debug("DRAM init failed: %d\n", rv);
return rv;
}
if (fdtdec_setup_memory_size() != 0)
rv = -EINVAL;
return rv;
}
int dram_init_banksize(void)
{
fdtdec_setup_memory_banksize();
return 0;
}
u32 get_board_rev(void)
{
return 0;
}
int board_early_init_f(void)
{
return 0;
}
int board_init(void)
{
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
return 0;
}
#ifdef CONFIG_MISC_INIT_R
int misc_init_r(void)
{
char serialno[25];
u32 u_id_low, u_id_mid, u_id_high;
if (!env_get("serial#")) {
u_id_low = readl(&STM32_U_ID->u_id_low);
u_id_mid = readl(&STM32_U_ID->u_id_mid);
u_id_high = readl(&STM32_U_ID->u_id_high);
sprintf(serialno, "%08x%08x%08x",
u_id_high, u_id_mid, u_id_low);
env_set("serial#", serialno);
}
return 0;
}
#endif