mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-05 18:56:15 +09:00
c0cdd5adc8
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>
75 lines
1.1 KiB
C
75 lines
1.1 KiB
C
/*
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* Copyright (C) STMicroelectronics SA 2017
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* Author(s): Patrice CHOTARD, <patrice.chotard@st.com> for STMicroelectronics.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <dm.h>
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#include <asm/io.h>
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#include <asm/arch/stm32.h>
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DECLARE_GLOBAL_DATA_PTR;
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int dram_init(void)
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{
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int rv;
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struct udevice *dev;
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rv = uclass_get_device(UCLASS_RAM, 0, &dev);
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if (rv) {
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debug("DRAM init failed: %d\n", rv);
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return rv;
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}
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if (fdtdec_setup_memory_size() != 0)
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rv = -EINVAL;
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return rv;
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}
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int dram_init_banksize(void)
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{
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fdtdec_setup_memory_banksize();
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return 0;
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}
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u32 get_board_rev(void)
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{
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return 0;
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}
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int board_early_init_f(void)
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{
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return 0;
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}
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int board_init(void)
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{
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gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
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return 0;
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}
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#ifdef CONFIG_MISC_INIT_R
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int misc_init_r(void)
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{
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char serialno[25];
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u32 u_id_low, u_id_mid, u_id_high;
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if (!env_get("serial#")) {
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u_id_low = readl(&STM32_U_ID->u_id_low);
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u_id_mid = readl(&STM32_U_ID->u_id_mid);
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u_id_high = readl(&STM32_U_ID->u_id_high);
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sprintf(serialno, "%08x%08x%08x",
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u_id_high, u_id_mid, u_id_low);
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env_set("serial#", serialno);
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}
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return 0;
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}
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#endif
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