Add linux flash script

Signed-off-by: Ola Jeppsson <ola.jeppsson@gmail.com>
parallella · May 8, 2015 · 3bcda8b · 3bcda8b
1 parent a1d2baa
commit 3bcda8b
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diff --git a/env.bin b/env.bin
diff --git a/env.txt b/env.txt
@@ -0,0 +1,59 @@
+bootdelay=1
+ipaddr=10.11.12.13
+serverip=10.11.12.1
+bootenv=uEnv.txt
+fdt_high=0x20000000
+kernel_image=uImage
+old_bitstream_image=parallella.bit.bin
+old_devicetree_image=devicetree.dtb
+loadbootenv_addr=0x2000000
+
+slowblink=led 0 toggle && sleep 1 && led 0 toggle && sleep 1 || true
+
+loadbootenv=load mmc 0 ${loadbootenv_addr} ${bootenv}
+
+importbootenv=echo Importing environment from SD ...;  \
+	env import -t ${loadbootenv_addr} $filesize
+
+importbootenvtftp=echo Importing environment from TFTP ...; \
+	env import -t ${loadbootenv_addr} $filesize
+
+preboot=\
+	if mmcinfo; then \
+		led 0 on; \
+		run slowblink; \
+		env set modeboot sdboot_old; \
+		run loadbootenv && \
+		run importbootenv && \
+		env set modeboot sdboot; \
+	else \
+		led 0 off; \
+		env set modeboot tftpboot; \
+	fi;
+
+sdboot_old=\
+	echo Legacy boot from SD card...; \
+	load mmc 0 0x4000000 ${old_bitstream_image} && \
+	fpga load 0 0x4000000 $filesize && \
+	run slowblink; \
+	load mmc 0 0x3000000 ${kernel_image} && \
+	load mmc 0 0x2A00000 ${old_devicetree_image} && \
+	run slowblink && \
+	bootm 0x3000000 - 0x2A00000; \
+	led 0 off
+
+tftpboot=\
+	while true; do \
+		echo TFTPing second stage boot script... && \
+		tftpboot ${loadbootenv_addr} ${bootenv} && \
+		run importbootenvtftp && \
+		run tftpboot_stage2; \
+	done
+
+bootcmd=run $modeboot
+
+# STDIO
+baudrate=115200
+stderr=serial
+stdin=serial
+stdout=serial
diff --git a/linux/.gitignore b/linux/.gitignore
@@ -0,0 +1 @@
+backup
diff --git a/linux/BOOT.7z020.bin b/linux/BOOT.7z020.bin
diff --git a/linux/README.md b/linux/README.md
@@ -0,0 +1,28 @@
+linux-flash
+===========
+
+This script can be used to flash a live Parallella system from the command
+line in linux.
+
+File           | Description
+---------------|---------------------------------------------------------------
+linux-flash.sh | Flash script
+               |
+backup         | The flash script will place backups here
+               |
+BOOT.7z020.bin | Boot flash image. Created by ../mkbootflash.sh
+               |
+env.bin        | Created with:
+               | uboot/tools/mkenvimage -s 0x20000 -o env.bin ../env.txt
+               |
+getfpga        | Print on-board FPGA-type (e.g. "7z010" "7z020" ...)
+getfpga.c      | gcc getfpga.c -o getfpga
+               |
+               |
+fw_printenv    | Tools to read and write uboot environment partition
+fw_setenv      |
+uboot--.patch  | Patch that embeds Parallella flash configuration in above
+               | two binaries.
+               |
+md5sum.txt     | Checksum file linux-flash.sh uses to verify that the files to
+               | be flashed are not corrupt.
diff --git a/linux/backup/.gitkeep b/linux/backup/.gitkeep
diff --git a/linux/env.bin b/linux/env.bin
diff --git a/linux/fw_printenv b/linux/fw_printenv
diff --git a/linux/fw_setenv b/linux/fw_setenv
diff --git a/linux/getfpga b/linux/getfpga
diff --git a/linux/getfpga.c b/linux/getfpga.c
@@ -0,0 +1,84 @@
+#include <stdio.h>
+#include <stdint.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/mman.h>
+#include <unistd.h>
+
+#define SLCR_IDCODE_MASK	0x1F000
+#define SLCR_IDCODE_SHIFT	12
+
+#define SLCR_BASE		0xF8000000
+#define PSS_IDCODE_OFFS		0x530
+
+#define XILINX_ZYNQ_7010	0x2
+#define XILINX_ZYNQ_7015	0x1b
+#define XILINX_ZYNQ_7020	0x7
+#define XILINX_ZYNQ_7030	0xc
+#define XILINX_ZYNQ_7035	0x12
+#define XILINX_ZYNQ_7045	0x11
+#define XILINX_ZYNQ_7100	0x16
+
+int decode(uint32_t idcode)
+{
+	int ret;
+
+	idcode = (idcode & SLCR_IDCODE_MASK) >> SLCR_IDCODE_SHIFT;
+
+	switch (idcode) {
+	case XILINX_ZYNQ_7010:
+		printf("7z010\n");
+		return 0;
+	case XILINX_ZYNQ_7015:
+		printf("7z015\n");
+		return 0;
+	case XILINX_ZYNQ_7020:
+		printf("7z020\n");
+		return 0;
+	case XILINX_ZYNQ_7030:
+		printf("7z030\n");
+		return 0;
+	case XILINX_ZYNQ_7035:
+		printf("7z035\n");
+		return 0;
+	case XILINX_ZYNQ_7045:
+		printf("7z045\n");
+		return 0;
+	case XILINX_ZYNQ_7100:
+		printf("7z100\n");
+		return 0;
+
+	default:
+		printf("unknown\n");
+		return 1;
+	}
+}
+
+int main()
+{
+	uint32_t *slcr, *pss_idcode;
+	int ret, fd;
+
+	fd = open("/dev/mem", O_RDONLY | O_SYNC);
+	if (fd < 0) {
+		fprintf(stderr, "Could not open /dev/mem\n");
+		return 1;
+	}
+
+	slcr = mmap(NULL, 4096, PROT_READ, MAP_SHARED, fd, SLCR_BASE);
+	if (slcr == MAP_FAILED) {
+		fprintf(stderr, "mmap failed\n");
+		return 1;
+	}
+
+	pss_idcode = (uint32_t *)
+		((uintptr_t) slcr + (uintptr_t) PSS_IDCODE_OFFS);
+
+	ret = decode(*pss_idcode);
+
+	munmap(slcr, 4096);
+	close(fd);
+
+	return ret;
+}