diff options
| author | Mark Kettenis <kettenis@openbsd.org> | 2021-10-23 16:58:04 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2021-10-31 08:46:44 -0400 |
| commit | d520e1fb7276d9d14f3cf35e028c5fdb934b049c (patch) | |
| tree | 99b79a26402e562e3dc337007ebf2cda1c38d7f0 /arch | |
| parent | 003b657edcdc7ee96b7df277a16480129a5260a7 (diff) | |
| download | u-boot-d520e1fb7276d9d14f3cf35e028c5fdb934b049c.zip u-boot-d520e1fb7276d9d14f3cf35e028c5fdb934b049c.tar.gz u-boot-d520e1fb7276d9d14f3cf35e028c5fdb934b049c.tar.bz2 | |
serial: s5p: Add Apple M1 support
Apple M1 SoCs include an S5L UART which is a variant of the S5P
UART. Add support for this variant and enable it by default
on Apple SoCs.
Signed-off-by: Mark Kettenis <kettenis@openbsd.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-m1/uart.h | 41 |
2 files changed, 42 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 48188aa..293e3e3 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -924,6 +924,7 @@ config ARCH_APPLE bool "Apple SoCs" select ARM64 select BLK + select CLK select CMD_USB select DM select DM_KEYBOARD diff --git a/arch/arm/include/asm/arch-m1/uart.h b/arch/arm/include/asm/arch-m1/uart.h new file mode 100644 index 0000000..d2a17a2 --- /dev/null +++ b/arch/arm/include/asm/arch-m1/uart.h @@ -0,0 +1,41 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * (C) Copyright 2009 Samsung Electronics + * Minkyu Kang <mk7.kang@samsung.com> + * Heungjun Kim <riverful.kim@samsung.com> + */ + +#ifndef __ASM_ARCH_UART_H_ +#define __ASM_ARCH_UART_H_ + +#ifndef __ASSEMBLY__ +/* baudrate rest value */ +union br_rest { + unsigned short slot; /* udivslot */ + unsigned char value; /* ufracval */ +}; + +struct s5p_uart { + unsigned int ulcon; + unsigned int ucon; + unsigned int ufcon; + unsigned int umcon; + unsigned int utrstat; + unsigned int uerstat; + unsigned int ufstat; + unsigned int umstat; + unsigned int utxh; + unsigned int urxh; + unsigned int ubrdiv; + union br_rest rest; + unsigned char res3[0x3fd0]; +}; + +static inline int s5p_uart_divslot(void) +{ + return 0; +} + +#endif /* __ASSEMBLY__ */ + +#endif |