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| author | Sean Anderson <seanga2@gmail.com> | 2020-06-24 06:41:25 -0400 |
|---|---|---|
| committer | Andes <uboot@andestech.com> | 2020-07-01 15:01:22 +0800 |
| commit | a7c81fc8532669822b454f4a0c967d24bfd14f9d (patch) | |
| tree | d49cea538c0748e062875551215d63667b9845e9 /include/configs | |
| parent | de09f71108eef3f50481901abb910b5b6109c121 (diff) | |
| download | u-boot-a7c81fc8532669822b454f4a0c967d24bfd14f9d.zip u-boot-a7c81fc8532669822b454f4a0c967d24bfd14f9d.tar.gz u-boot-a7c81fc8532669822b454f4a0c967d24bfd14f9d.tar.bz2 | |
riscv: Add Sipeed Maix support
The Sipeed Maix series is a collection of boards built around the RISC-V
Kendryte K210 processor. This processor contains several peripherals to
accelerate neural network processing and other "ai" tasks. This includes a
"KPU" neural network processor, an audio processor supporting beamforming
reception, and a digital video port supporting capture and output at VGA
resolution. Other peripherals include 8M of sram (accessible with and
without caching); remappable pins, including 40 GPIOs; AES, FFT, and SHA256
accelerators; a DMA controller; and I2C, I2S, and SPI controllers. Maix
peripherals vary, but include spi flash; on-board usb-serial bridges; ports
for cameras, displays, and sd cards; and ESP32 chips. Currently, only the
Sipeed Maix Bit V2.0 (bitm) is supported, but the boards are fairly
similar.
Documentation for Maix boards is located at
<http://dl.sipeed.com/MAIX/HDK/>. Documentation for the Kendryte K210 is
located at <https://kendryte.com/downloads/>. However, hardware details are
rather lacking, so most technical reference has been taken from the
standalone sdk located at
<https://github.com/kendryte/kendryte-standalone-sdk>.
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Diffstat (limited to 'include/configs')
| -rw-r--r-- | include/configs/sipeed-maix.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/configs/sipeed-maix.h b/include/configs/sipeed-maix.h new file mode 100644 index 0000000..a46473f --- /dev/null +++ b/include/configs/sipeed-maix.h @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2019-20 Sean Anderson <seanga2@gmail.com> + */ + +#ifndef CONFIGS_SIPEED_MAIX_H +#define CONFIGS_SIPEED_MAIX_H + +#include <linux/sizes.h> + +#define CONFIG_SYS_LOAD_ADDR 0x80000000 +/* Start just below the second bank so we don't clobber it during reloc */ +#define CONFIG_SYS_INIT_SP_ADDR 0x803FFFFF +#define CONFIG_SYS_MALLOC_LEN SZ_128K +#define CONFIG_SYS_CACHELINE_SIZE 64 + +#define CONFIG_SYS_SDRAM_BASE 0x80000000 +/* Don't relocate into AI ram since it isn't set up yet */ +#define CONFIG_SYS_SDRAM_SIZE (SZ_4M + SZ_2M) + +/* For early init */ +#define K210_SYSCTL_BASE 0x50440000 + +#endif /* CONFIGS_SIPEED_MAIX_H */ |