avionic design with actual uboot and tooling

submodule of avionic design uboot bootloader and with included tools to
get you started , read readme.md and readme-tk1-loader.md

u-boot/board/cavium/thunderx/Kconfig

@@ -0,0 +1,27 @@
+if TARGET_THUNDERX_88XX
+
+config SYS_CPU
+	string
+	default "armv8"
+
+config SYS_BOARD
+	string
+	default "thunderx"
+
+config SYS_VENDOR
+	string
+	default "cavium"
+
+config SYS_CONFIG_NAME
+	string
+	default "thunderx_88xx"
+
+config CMD_ATF
+	bool "Enable ATF query commands"
+	default y
+	help
+	  Enable vendor specific ATF query commands such as SPI and SD/MMC
+	  devices access, low level environment query, boot device layout
+	  and node count.
+
+endif

u-boot/board/cavium/thunderx/MAINTAINERS

@@ -0,0 +1,6 @@
+THUNDERX BOARD
+M:	Sergey Temerkhanov <s.temerkhanov@gmail.com>
+S:	Maintained
+F:	board/cavium/thunderx/
+F:	include/configs/thunderx_88xx.h
+F:	configs/thunderx_88xx_defconfig

u-boot/board/cavium/thunderx/Makefile

@@ -0,0 +1,8 @@
+#
+#
+# (C) Copyright 2014, Cavium Inc.
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y	:= thunderx.o atf.o

u-boot/board/cavium/thunderx/atf.c

@@ -0,0 +1,312 @@
+/**
+ * (C) Copyright 2014, Cavium Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+**/
+
+#include <common.h>
+#include <asm/io.h>
+
+#include <asm/system.h>
+#include <cavium/thunderx_svc.h>
+#include <cavium/atf.h>
+#include <cavium/atf_part.h>
+
+#include <asm/psci.h>
+
+#include <malloc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+ssize_t atf_read_mmc(uintptr_t offset, void *buffer, size_t size)
+{
+	struct pt_regs regs;
+	regs.regs[0] = THUNDERX_MMC_READ;
+	regs.regs[1] = offset;
+	regs.regs[2] = size;
+	regs.regs[3] = (uintptr_t)buffer;
+
+	smc_call(&regs);
+
+	return regs.regs[0];
+}
+
+ssize_t atf_read_nor(uintptr_t offset, void *buffer, size_t size)
+{
+	struct pt_regs regs;
+	regs.regs[0] = THUNDERX_NOR_READ;
+	regs.regs[1] = offset;
+	regs.regs[2] = size;
+	regs.regs[3] = (uintptr_t)buffer;
+
+	smc_call(&regs);
+
+	return regs.regs[0];
+}
+
+ssize_t atf_get_pcount(void)
+{
+	struct pt_regs regs;
+	regs.regs[0] = THUNDERX_PART_COUNT;
+
+	smc_call(&regs);
+
+	return regs.regs[0];
+}
+
+ssize_t atf_get_part(struct storage_partition *part, unsigned int index)
+{
+	struct pt_regs regs;
+	regs.regs[0] = THUNDERX_GET_PART;
+	regs.regs[1] = (uintptr_t)part;
+	regs.regs[2] = index;
+
+	smc_call(&regs);
+
+	return regs.regs[0];
+}
+
+ssize_t atf_erase_nor(uintptr_t offset, size_t size)
+{
+	struct pt_regs regs;
+
+	regs.regs[0] = THUNDERX_NOR_ERASE;
+	regs.regs[1] = offset;
+
+	smc_call(&regs);
+
+	return regs.regs[0];
+}
+
+ssize_t atf_write_nor(uintptr_t offset, const void *buffer, size_t size)
+{
+	struct pt_regs regs;
+
+	regs.regs[0] = THUNDERX_NOR_WRITE;
+	regs.regs[1] = offset;
+	regs.regs[2] = size;
+	regs.regs[3] = (uintptr_t)buffer;
+
+	smc_call(&regs);
+
+	return regs.regs[0];
+}
+
+ssize_t atf_write_mmc(uintptr_t offset, const void *buffer, size_t size)
+{
+	struct pt_regs regs;
+
+	regs.regs[0] = THUNDERX_MMC_WRITE;
+	regs.regs[1] = offset;
+	regs.regs[2] = size;
+	regs.regs[3] = (uintptr_t)buffer;
+
+	smc_call(&regs);
+
+	return regs.regs[0];
+}
+
+ssize_t atf_dram_size(unsigned int node)
+{
+	struct pt_regs regs;
+	regs.regs[0] = THUNDERX_DRAM_SIZE;
+	regs.regs[1] = node;
+
+	smc_call(&regs);
+
+	return regs.regs[0];
+}
+
+ssize_t atf_node_count(void)
+{
+	struct pt_regs regs;
+	regs.regs[0] = THUNDERX_NODE_COUNT;
+
+	smc_call(&regs);
+
+	return regs.regs[0];
+}
+
+ssize_t atf_env_count(void)
+{
+	struct pt_regs regs;
+	regs.regs[0] = THUNDERX_ENV_COUNT;
+
+	smc_call(&regs);
+
+	return regs.regs[0];
+}
+
+ssize_t atf_env_string(size_t index, char *str)
+{
+	uint64_t *buf = (void *)str;
+	struct pt_regs regs;
+	regs.regs[0] = THUNDERX_ENV_STRING;
+	regs.regs[1] = index;
+
+	smc_call(&regs);
+
+	if (regs.regs > 0) {
+		buf[0] = regs.regs[0];
+		buf[1] = regs.regs[1];
+		buf[2] = regs.regs[2];
+		buf[3] = regs.regs[3];
+
+		return 1;
+	} else {
+		return regs.regs[0];
+	}
+}
+
+#ifdef CONFIG_CMD_ATF
+
+static void atf_print_ver(void)
+{
+	struct pt_regs regs;
+	regs.regs[0] = ARM_STD_SVC_VERSION;
+
+	smc_call(&regs);
+
+	printf("ARM Std FW version: %ld.%ld\n", regs.regs[0], regs.regs[1]);
+
+	regs.regs[0] = THUNDERX_SVC_VERSION;
+
+	smc_call(&regs);
+
+	printf("ThunderX OEM ver: %ld.%ld\n", regs.regs[0], regs.regs[1]);
+}
+
+static void atf_print_uid(void)
+{
+}
+
+static void atf_print_part_table(void)
+{
+	size_t pcount;
+	unsigned long i;
+	int ret;
+	char *ptype;
+
+	struct storage_partition *part = (void *)CONFIG_SYS_LOWMEM_BASE;
+
+	pcount = atf_get_pcount();
+
+	printf("Partition count: %lu\n\n", pcount);
+	printf("%10s %10s %10s\n", "Type", "Size", "Offset");
+
+	for (i = 0; i < pcount; i++) {
+		ret = atf_get_part(part, i);
+
+		if (ret < 0) {
+			printf("Uknown error while reading partition: %d\n",
+			       ret);
+			return;
+		}
+
+		switch (part->type) {
+		case PARTITION_NBL1FW_REST:
+			ptype = "NBL1FW";
+			break;
+		case PARTITION_BL2_BL31:
+			ptype = "BL2_BL31";
+			break;
+		case PARTITION_UBOOT:
+			ptype = "BOOTLDR";
+			break;
+		case PARTITION_KERNEL:
+			ptype = "KERNEL";
+			break;
+		case PARTITION_DEVICE_TREE:
+			ptype = "DEVTREE";
+			break;
+		default:
+			ptype = "UNKNOWN";
+		}
+		printf("%10s %10d %10lx\n", ptype, part->size, part->offset);
+	}
+}
+
+int do_atf(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+	ssize_t ret;
+	size_t size, offset;
+	void *buffer = 0;
+	unsigned int index, node;
+	char str[4 * sizeof(uint64_t)];
+
+	if ((argc == 5) && !strcmp(argv[1], "readmmc")) {
+		buffer = (void *)simple_strtoul(argv[2], NULL, 16);
+		offset = simple_strtoul(argv[3], NULL, 10);
+		size = simple_strtoul(argv[4], NULL, 10);
+
+		ret = atf_read_mmc(offset, buffer, size);
+	} else if ((argc == 5) && !strcmp(argv[1], "readnor")) {
+		buffer = (void *)simple_strtoul(argv[2], NULL, 16);
+		offset = simple_strtoul(argv[3], NULL, 10);
+		size = simple_strtoul(argv[4], NULL, 10);
+
+		ret = atf_read_nor(offset, buffer, size);
+	} else if ((argc == 5) && !strcmp(argv[1], "writemmc")) {
+		buffer = (void *)simple_strtoul(argv[2], NULL, 16);
+		offset = simple_strtoul(argv[3], NULL, 10);
+		size = simple_strtoul(argv[4], NULL, 10);
+
+		ret = atf_write_mmc(offset, buffer, size);
+	} else if ((argc == 5) && !strcmp(argv[1], "writenor")) {
+		buffer = (void *)simple_strtoul(argv[2], NULL, 16);
+		offset = simple_strtoul(argv[3], NULL, 10);
+		size = simple_strtoul(argv[4], NULL, 10);
+
+		ret = atf_write_nor(offset, buffer, size);
+	} else if ((argc == 2) && !strcmp(argv[1], "part")) {
+		atf_print_part_table();
+	} else if ((argc == 4) && !strcmp(argv[1], "erasenor")) {
+		offset = simple_strtoul(argv[2], NULL, 10);
+		size = simple_strtoul(argv[3], NULL, 10);
+
+		ret = atf_erase_nor(offset, size);
+	} else if ((argc == 2) && !strcmp(argv[1], "envcount")) {
+		ret = atf_env_count();
+		printf("Number of environment strings: %zd\n", ret);
+	} else if ((argc == 3) && !strcmp(argv[1], "envstring")) {
+		index = simple_strtoul(argv[2], NULL, 10);
+		ret = atf_env_string(index, str);
+		if (ret > 0)
+			printf("Environment string %d: %s\n", index, str);
+		else
+			printf("Return code: %zd\n", ret);
+	} else if ((argc == 3) && !strcmp(argv[1], "dramsize")) {
+		node = simple_strtoul(argv[2], NULL, 10);
+		ret = atf_dram_size(node);
+		printf("DRAM size: %zd Mbytes\n", ret >> 20);
+	} else if ((argc == 2) && !strcmp(argv[1], "nodes")) {
+		ret = atf_node_count();
+		printf("Nodes count: %zd\n", ret);
+	} else if ((argc == 2) && !strcmp(argv[1], "ver")) {
+		atf_print_ver();
+	} else if ((argc == 2) && !strcmp(argv[1], "uid")) {
+		atf_print_uid();
+	} else {
+		return CMD_RET_USAGE;
+	}
+
+	return 0;
+}
+
+U_BOOT_CMD(
+	atf,   10,   1,     do_atf,
+	"issue calls to ATF",
+	"\t readmmc addr offset size - read MMC card\n"
+	"\t readnor addr offset size - read NOR flash\n"
+	"\t writemmc addr offset size - write MMC card\n"
+	"\t writenor addr offset size - write NOR flash\n"
+	"\t erasenor offset size - erase NOR flash\n"
+	"\t nodes - number of nodes\n"
+	"\t dramsize node - size of DRAM attached to node\n"
+	"\t envcount - number of environment strings\n"
+	"\t envstring index - print the environment string\n"
+	"\t part - print MMC partition table\n"
+	"\t ver - print ATF call set versions\n"
+);
+
+#endif

u-boot/board/cavium/thunderx/thunderx.c

@@ -0,0 +1,126 @@
+/**
+ * (C) Copyright 2014, Cavium Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+**/
+
+#include <common.h>
+#include <malloc.h>
+#include <errno.h>
+#include <linux/compiler.h>
+
+#include <cavium/atf.h>
+#include <asm/armv8/mmu.h>
+
+#if !CONFIG_IS_ENABLED(OF_CONTROL)
+#include <dm/platdata.h>
+#include <dm/platform_data/serial_pl01x.h>
+
+static const struct pl01x_serial_platdata serial0 = {
+	.base = CONFIG_SYS_SERIAL0,
+	.type = TYPE_PL011,
+	.clock = 0,
+	.skip_init = true,
+};
+
+U_BOOT_DEVICE(thunderx_serial0) = {
+	.name = "serial_pl01x",
+	.platdata = &serial0,
+};
+
+static const struct pl01x_serial_platdata serial1 = {
+	.base = CONFIG_SYS_SERIAL1,
+	.type = TYPE_PL011,
+	.clock = 0,
+	.skip_init = true,
+};
+
+U_BOOT_DEVICE(thunderx_serial1) = {
+	.name = "serial_pl01x",
+	.platdata = &serial1,
+};
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static struct mm_region thunderx_mem_map[] = {
+	{
+		.base = 0x000000000000UL,
+		.size = 0x40000000000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | PTE_BLOCK_NON_SHARE,
+	}, {
+		.base = 0x800000000000UL,
+		.size = 0x40000000000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+			 PTE_BLOCK_NON_SHARE,
+	}, {
+		.base = 0x840000000000UL,
+		.size = 0x40000000000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+			 PTE_BLOCK_NON_SHARE,
+	}, {
+		/* List terminator */
+		0,
+	}
+};
+
+struct mm_region *mem_map = thunderx_mem_map;
+
+int board_init(void)
+{
+	return 0;
+}
+
+int timer_init(void)
+{
+	return 0;
+}
+
+int dram_init(void)
+{
+	ssize_t node_count = atf_node_count();
+	ssize_t dram_size;
+	int node;
+
+	printf("Initializing\nNodes in system: %zd\n", node_count);
+
+	gd->ram_size = 0;
+
+	for (node = 0; node < node_count; node++) {
+		dram_size = atf_dram_size(node);
+		printf("Node %d: %zd MBytes of DRAM\n", node, dram_size >> 20);
+		gd->ram_size += dram_size;
+	}
+
+	gd->ram_size -= MEM_BASE;
+
+	*(unsigned long *)CPU_RELEASE_ADDR = 0;
+
+	puts("DRAM size:");
+
+	return 0;
+}
+
+/*
+ * Board specific reset that is system reset.
+ */
+void reset_cpu(ulong addr)
+{
+}
+
+/*
+ * Board specific ethernet initialization routine.
+ */
+int board_eth_init(bd_t *bis)
+{
+	int rc = 0;
+
+	return rc;
+}
+
+#ifdef CONFIG_PCI
+void pci_init_board(void)
+{
+	printf("DEBUG: PCI Init TODO *****\n");
+}
+#endif