From 3ddf57e24ef98284f146cf8d29044d6eea317714 Mon Sep 17 00:00:00 2001 From: Tristan Shieh Date: Thu, 31 May 2018 09:20:53 +0800 Subject: mediatek/mt8183: Add a stub implementation of the MT8183 SOC Most things still need to be filled in, but this will allow us to build boards which use this SOC. BUG=b:80501386 BRANCH=none TEST=timer and uart work fine Change-Id: Ie81fa56ffce85188e1f9e979f9b0e64b764c2627 Signed-off-by: Tristan Shieh Reviewed-on: https://review.coreboot.org/26659 Reviewed-by: Patrick Georgi Reviewed-by: Hung-Te Lin Tested-by: build bot (Jenkins) --- src/soc/mediatek/mt8183/Kconfig | 21 ++++++ src/soc/mediatek/mt8183/Makefile.inc | 32 +++++++++ src/soc/mediatek/mt8183/emi.c | 21 ++++++ src/soc/mediatek/mt8183/flash_controller.c | 59 +++++++++++++++++ src/soc/mediatek/mt8183/include/soc/addressmap.h | 29 ++++++++ src/soc/mediatek/mt8183/include/soc/emi.h | 24 +++++++ .../mediatek/mt8183/include/soc/flash_controller.h | 23 +++++++ src/soc/mediatek/mt8183/include/soc/memlayout.ld | 56 ++++++++++++++++ src/soc/mediatek/mt8183/spi.c | 30 +++++++++ util/mtkheader/gen-bl-img.py | 77 ++++++++++++---------- 10 files changed, 339 insertions(+), 33 deletions(-) create mode 100644 src/soc/mediatek/mt8183/Kconfig create mode 100644 src/soc/mediatek/mt8183/Makefile.inc create mode 100644 src/soc/mediatek/mt8183/emi.c create mode 100644 src/soc/mediatek/mt8183/flash_controller.c create mode 100644 src/soc/mediatek/mt8183/include/soc/addressmap.h create mode 100644 src/soc/mediatek/mt8183/include/soc/emi.h create mode 100644 src/soc/mediatek/mt8183/include/soc/flash_controller.h create mode 100644 src/soc/mediatek/mt8183/include/soc/memlayout.ld create mode 100644 src/soc/mediatek/mt8183/spi.c diff --git a/src/soc/mediatek/mt8183/Kconfig b/src/soc/mediatek/mt8183/Kconfig new file mode 100644 index 0000000000..040e69219e --- /dev/null +++ b/src/soc/mediatek/mt8183/Kconfig @@ -0,0 +1,21 @@ +config SOC_MEDIATEK_MT8183 + bool + default n + select ARCH_BOOTBLOCK_ARMV8_64 + select ARCH_RAMSTAGE_ARMV8_64 + select ARCH_ROMSTAGE_ARMV8_64 + select ARCH_VERSTAGE_ARMV8_64 + select ARM64_USE_ARM_TRUSTED_FIRMWARE + select BOOTBLOCK_CONSOLE + select GENERIC_UDELAY + select HAVE_UART_SPECIAL + select HAVE_MONOTONIC_TIMER + +if SOC_MEDIATEK_MT8183 + +config VBOOT + select VBOOT_OPROM_MATTERS + select VBOOT_STARTS_IN_BOOTBLOCK + select VBOOT_SEPARATE_VERSTAGE + +endif diff --git a/src/soc/mediatek/mt8183/Makefile.inc b/src/soc/mediatek/mt8183/Makefile.inc new file mode 100644 index 0000000000..9f80500c0e --- /dev/null +++ b/src/soc/mediatek/mt8183/Makefile.inc @@ -0,0 +1,32 @@ +ifeq ($(CONFIG_SOC_MEDIATEK_MT8183),y) + +bootblock-$(CONFIG_SPI_FLASH) += flash_controller.c +bootblock-$(CONFIG_SPI_FLASH) += spi.c +bootblock-y += ../common/timer.c +ifeq ($(CONFIG_BOOTBLOCK_CONSOLE),y) +bootblock-$(CONFIG_DRIVERS_UART) += ../common/uart.c +endif + +verstage-$(CONFIG_SPI_FLASH) += flash_controller.c +verstage-$(CONFIG_SPI_FLASH) += spi.c +verstage-y += ../common/timer.c +verstage-$(CONFIG_DRIVERS_UART) += ../common/uart.c + +romstage-$(CONFIG_SPI_FLASH) += flash_controller.c +romstage-$(CONFIG_SPI_FLASH) += spi.c +romstage-y += ../common/timer.c +romstage-$(CONFIG_DRIVERS_UART) += ../common/uart.c + +ramstage-y += ../common/cbmem.c emi.c +ramstage-$(CONFIG_SPI_FLASH) += flash_controller.c +ramstage-$(CONFIG_SPI_FLASH) += spi.c +ramstage-y += ../common/timer.c +ramstage-$(CONFIG_DRIVERS_UART) += ../common/uart.c + +CPPFLAGS_common += -Isrc/soc/mediatek/mt8183/include +CPPFLAGS_common += -Isrc/soc/mediatek/common/include + +$(objcbfs)/bootblock.bin: $(objcbfs)/bootblock.raw.bin + ./util/mtkheader/gen-bl-img.py mt8183 emmc $< $@ + +endif diff --git a/src/soc/mediatek/mt8183/emi.c b/src/soc/mediatek/mt8183/emi.c new file mode 100644 index 0000000000..e37fd56537 --- /dev/null +++ b/src/soc/mediatek/mt8183/emi.c @@ -0,0 +1,21 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2018 MediaTek Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include + +size_t sdram_size(void) +{ + return (size_t)4 * GiB; +} diff --git a/src/soc/mediatek/mt8183/flash_controller.c b/src/soc/mediatek/mt8183/flash_controller.c new file mode 100644 index 0000000000..a6a816ffde --- /dev/null +++ b/src/soc/mediatek/mt8183/flash_controller.c @@ -0,0 +1,59 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2018 MediaTek Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +/* this is a spi driver which adapts emmc to fake spi flash */ + +#include +#include + +static void init_io(void) +{ +} + +static int emmc_adapter_read(const struct spi_flash *flash, u32 addr, + size_t len, void *buf) +{ + return 0; +} + +static int emmc_adapter_write(const struct spi_flash *flash, u32 addr, + size_t len, const void *buf) +{ + return 0; +} + +static int emmc_adapter_erase(const struct spi_flash *flash, u32 offset, + size_t len) +{ + return 0; +} + +const struct spi_flash_ops spi_emmc_flash_ops = { + .read = emmc_adapter_read, + .write = emmc_adapter_write, + .erase = emmc_adapter_erase, +}; + +int mtk_spi_flash_probe(const struct spi_slave *spi, struct spi_flash *flash) +{ + init_io(); + + flash->name = "spi emmc flash controller"; + flash->sector_size = 0x800; + flash->size = CONFIG_ROM_SIZE; + + flash->ops = &spi_emmc_flash_ops; + return 0; +} diff --git a/src/soc/mediatek/mt8183/include/soc/addressmap.h b/src/soc/mediatek/mt8183/include/soc/addressmap.h new file mode 100644 index 0000000000..59f4acf3f8 --- /dev/null +++ b/src/soc/mediatek/mt8183/include/soc/addressmap.h @@ -0,0 +1,29 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2018 MediaTek Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __SOC_MEDIATEK_MT8183_INCLUDE_SOC_ADDRESSMAP_H__ +#define __SOC_MEDIATEK_MT8183_INCLUDE_SOC_ADDRESSMAP_H__ + +enum { + IO_PHYS = 0x10000000, + DDR_BASE = 0x40000000 +}; + +enum { + GPT_BASE = IO_PHYS + 0x00008000, + UART0_BASE = IO_PHYS + 0x01002000, +}; + +#endif diff --git a/src/soc/mediatek/mt8183/include/soc/emi.h b/src/soc/mediatek/mt8183/include/soc/emi.h new file mode 100644 index 0000000000..edc27a8c99 --- /dev/null +++ b/src/soc/mediatek/mt8183/include/soc/emi.h @@ -0,0 +1,24 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2018 MediaTek Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef SOC_MEDIATEK_MT8183_EMI_H +#define SOC_MEDIATEK_MT8183_EMI_H + +#include +#include + +size_t sdram_size(void); + +#endif diff --git a/src/soc/mediatek/mt8183/include/soc/flash_controller.h b/src/soc/mediatek/mt8183/include/soc/flash_controller.h new file mode 100644 index 0000000000..ec3593c9f9 --- /dev/null +++ b/src/soc/mediatek/mt8183/include/soc/flash_controller.h @@ -0,0 +1,23 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2018 MediaTek Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __SOC_MEDIATEK_MT8183_FLASH_CONTROLLER_H__ +#define __SOC_MEDIATEK_MT8183_FLASH_CONTROLLER_H__ + +#include + +int mtk_spi_flash_probe(const struct spi_slave *spi, struct spi_flash *flash); + +#endif diff --git a/src/soc/mediatek/mt8183/include/soc/memlayout.ld b/src/soc/mediatek/mt8183/include/soc/memlayout.ld new file mode 100644 index 0000000000..541f21e0eb --- /dev/null +++ b/src/soc/mediatek/mt8183/include/soc/memlayout.ld @@ -0,0 +1,56 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2018 MediaTek Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include + +#include + +/* + * SRAM_L2C is the half part of L2 cache that we borrow to be used as SRAM. + * It will be returned before starting the ramstage. + * SRAM_L2C and SRAM can be cached, but only SRAM is DMA-able. + */ +#define SRAM_L2C_START(addr) SYMBOL(sram_l2c, addr) +#define SRAM_L2C_END(addr) SYMBOL(esram_l2c, addr) + +#define DRAM_DMA(addr, size) \ + REGION(dram_dma, addr, size, 4K) \ + _ = ASSERT(size % 4K == 0, \ + "DRAM DMA buffer should be multiple of smallest page size (4K)!"); + +SECTIONS +{ + SRAM_START(0x00100000) + VBOOT2_WORK(0x00100000, 12K) + PRERAM_CBMEM_CONSOLE(0x00103000, 16K) + WATCHDOG_TOMBSTONE(0x00107000, 4) + PRERAM_CBFS_CACHE(0x00107004, 16K - 4) + TIMESTAMP(0x0010B000, 4K) + STACK(0x0010C000, 16K) + TTB(0x00110000, 28K) + DMA_COHERENT(0x00117000, 4K) + SRAM_END(0x00120000) + + SRAM_L2C_START(0x00200000) + BOOTBLOCK(0x00201000, 85K) + VERSTAGE(0x00217000, 114K) + ROMSTAGE(0x00233800, 92K) + SRAM_L2C_END(0x00280000) + + DRAM_START(0x40000000) + DRAM_DMA(0x40000000, 1M) + POSTRAM_CBFS_CACHE(0x40100000, 1M) + RAMSTAGE(0x40200000, 256K) +} diff --git a/src/soc/mediatek/mt8183/spi.c b/src/soc/mediatek/mt8183/spi.c new file mode 100644 index 0000000000..78821d10fa --- /dev/null +++ b/src/soc/mediatek/mt8183/spi.c @@ -0,0 +1,30 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2018 MediaTek Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include +#include + +static const struct spi_ctrlr spi_flash_ctrlr = { + .max_xfer_size = 65535, + .flash_probe = mtk_spi_flash_probe, +}; + +const struct spi_ctrlr_buses spi_ctrlr_bus_map[] = { + { + .ctrlr = &spi_flash_ctrlr, + }, +}; + +const size_t spi_ctrlr_bus_map_count = ARRAY_SIZE(spi_ctrlr_bus_map); diff --git a/util/mtkheader/gen-bl-img.py b/util/mtkheader/gen-bl-img.py index 361912f637..983923d2b6 100755 --- a/util/mtkheader/gen-bl-img.py +++ b/util/mtkheader/gen-bl-img.py @@ -22,57 +22,68 @@ import sys import hashlib def read(path): - with open(path, "rb") as f: + with open(path, 'rb') as f: return f.read() def write(path, data): - with open(path, "wb") as f: + with open(path, 'wb') as f: f.write(data) -def padding(data, size, pattern = '\0'): +def padding(data, size, pattern='\0'): return data + pattern * (size - len(data)) -def align(data, size, pattern = '\0'): +def align(data, size, pattern='\0'): return padding(data, (len(data) + (size - 1)) & ~(size - 1), pattern) -gfh_infos = { - 'mt8173': struct.pack("44I", - 0x014d4d4d, 0x00000038, 0x454c4946, 0x464e495f, - 0x0000004f, 0x00000001, 0x01050001, 0x000C0f50, - 0xffffffff, 0x00020000, 0x000000a8, 0x00000020, - 0x000000B0, 0x00000001, 0x014d4d4d, 0x0001000c, - 0x00000001, 0x034d4d4d, 0x00070064, 0x00001182, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00006400, 0x00001388, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, - )} +def gen_gfh_info(chip, data): + entries = { + 'mt8173': 0x000C1000, + 'mt8183': 0x00201000 + } + + gfh_format = '<44I' + gfh_size = struct.calcsize(gfh_format) + load_addr = entries[chip] - gfh_size + load_size = gfh_size + len(data) + hashlib.sha256().digest_size + + gfh = struct.pack(gfh_format, + 0x014d4d4d, 0x00000038, 0x454c4946, 0x464e495f, + 0x0000004f, 0x00000001, 0x01050001, load_addr, + load_size, 0x00020000, 0x000000a8, 0x00000020, + 0x000000B0, 0x00000001, 0x014d4d4d, 0x0001000c, + 0x00000001, 0x034d4d4d, 0x00070064, 0x00001182, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00006400, 0x00001388, + 0x00000000, 0x00000000, 0x00000000, 0x00000000) + + return gfh def gen_emmc_header(data): - header = (padding(struct.pack("<12sII", "EMMC_BOOT", 1, 512), 512, '\xff') + - padding(struct.pack("<8sIIIIIIII", "BRLYT", 1, 2048, 2048 + len(data), - 0x42424242, 0x00010005, 2048, 2048 + len(data), 1) + '\0' * 140, 512, '\xff') + + header = (padding(struct.pack('<12sII', 'EMMC_BOOT', 1, 512), 512, '\xff') + + padding(struct.pack('<8sIIIIIIII', 'BRLYT', 1, 2048, 2048 + len(data), + 0x42424242, 0x00010005, 2048, 2048 + len(data), 1) + '\0' * 140, 512, + '\xff') + '\0' * 1024) return header def gen_sf_header(data): - header = (padding(struct.pack("<12sII", "SF_BOOT", 1, 512), 512, '\xff') + - padding(struct.pack("<8sIIIIIIII", "BRLYT", 1, 2048, 2048 + len(data), - 0x42424242, 0x00010007, 2048, 2048 + len(data), 1) + '\0' * 140, 512, '\xff') + + header = (padding(struct.pack('<12sII', 'SF_BOOT', 1, 512), 512, '\xff') + + padding(struct.pack('<8sIIIIIIII', 'BRLYT', 1, 2048, 2048 + len(data), + 0x42424242, 0x00010007, 2048, 2048 + len(data), 1) + '\0' * 140, 512, + '\xff') + '\0' * 1024) return header gen_dev_header = { - "emmc": gen_emmc_header, - "sf": gen_sf_header + 'emmc': gen_emmc_header, + 'sf': gen_sf_header } def gen_preloader(chip_ver, flash_type, data): - gfh_info = gfh_infos[chip_ver] - gfh_info = gfh_info[0:32] + struct.pack("1I", len(data)+len(gfh_info)+32) + gfh_info[36:len(gfh_info)] - + gfh_info = gen_gfh_info(chip_ver, data) gfh_hash = hashlib.sha256(gfh_info + data).digest() data = align(gfh_info + data + gfh_hash, 512, '\xff') @@ -81,12 +92,12 @@ def gen_preloader(chip_ver, flash_type, data): def main(argv): if len(argv) != 5: - print "Usage: %s " % argv[0] - print "\t flash_type: emmc/sf" - print "\t chip : mt8173" + print 'Usage: %s ' % argv[0] + print '\t flash_type: emmc|sf' + print '\t chip : mt8173|mt8183' exit(1) write(argv[4], gen_preloader(argv[1], argv[2], read(argv[3]))) -if __name__ == "__main__": +if __name__ == '__main__': main(sys.argv) -- cgit v1.2.3