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u-boot/board/st/stm32mp1/board.c

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SPDX: Convert all of our multiple license tags to Linux Kernel style When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have multiple licenses (in these cases, dual license) declared in the SPDX-License-Identifier tag. In this case we change from listing "LICENSE-A LICENSE-B" or "LICENSE-A or LICENSE-B" or "(LICENSE-A OR LICENSE-B)" to "LICENSE-A OR LICENSE-B" as per the Linux Kernel style document. Note that parenthesis are allowed so when they were used before we continue to use them. Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com> Signed-off-by: Tom Rini <trini@konsulko.com>
2018-05-06 22:27:01 +00:00
// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
board: st: add generic board for STM32MP1 family Add first support for STM32MP157C-ED1 board with "Basic" boot chain 1/ Boot Rom: load SPL with STM32 image header in SYSRAM 2/ SPL: power up and initialize the DDR and load U-Boot image from SDCARD in DDR 3/ U-Boot: search and load extlinux.conf in SDCARD (DISTRO activated) Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2018-03-12 09:46:18 +00:00
/*
* Copyright (C) 2018, STMicroelectronics - All Rights Reserved
*/
#include <common.h>
#include <asm/io.h>
common: Drop linux/bitops.h from common header Move this uncommon header out of the common header. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-05-10 17:40:13 +00:00
#include <linux/bitops.h>
common: Drop linux/delay.h from common header Move this uncommon header out of the common header. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-05-10 17:40:11 +00:00
#include <linux/delay.h>
board: st: add generic board for STM32MP1 family Add first support for STM32MP157C-ED1 board with "Basic" boot chain 1/ Boot Rom: load SPL with STM32 image header in SYSRAM 2/ SPL: power up and initialize the DDR and load U-Boot image from SDCARD in DDR 3/ U-Boot: search and load extlinux.conf in SDCARD (DISTRO activated) Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2018-03-12 09:46:18 +00:00
stm32mp1: Allow to activate CONFIG_DEBUG_UART Add the needed information to enable the debug uart to have printf before the serial driver probe (so before probe for clock, pincontrol and reset drivers) To enable the debug on uart 4 (default console): + CONFIG_DEBUG_UART=y + CONFIG_DEBUG_UART_STM32=y Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2018-05-17 12:50:46 +00:00
#ifdef CONFIG_DEBUG_UART_BOARD_INIT
void board_debug_uart_init(void)
{
#if (CONFIG_DEBUG_UART_BASE == STM32_UART4_BASE)
#define RCC_MP_APB1ENSETR (STM32_RCC_BASE + 0x0A00)
#define RCC_MP_AHB4ENSETR (STM32_RCC_BASE + 0x0A28)
/* UART4 clock enable */
setbits_le32(RCC_MP_APB1ENSETR, BIT(16));
#define GPIOG_BASE 0x50008000
/* GPIOG clock enable */
writel(BIT(6), RCC_MP_AHB4ENSETR);
/* GPIO configuration for EVAL board
* => Uart4 TX = G11
*/
writel(0xffbfffff, GPIOG_BASE + 0x00);
writel(0x00006000, GPIOG_BASE + 0x24);
#else
#error("CONFIG_DEBUG_UART_BASE: not supported value")
#endif
}
#endif
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