[U-Boot] [PATCH 4/4] doc: ae250: Rename as ae350

Andes uboot at andestech.com
Tue May 22 08:08:35 UTC 2018


From: Rick Chen <rick at andestech.com>

Rename
 nx25 as ax25
 ae250 as ae350
 nx25-ae250 as ax25-ae350
 including filename, variable, string and definition.

Signed-off-by: Rick Chen <rick at andestech.com>
Signed-off-by: Rick Chen <rickchen36 at gmail.com>
Cc: Greentime Hu <green.hu at gmail.com>
---
 doc/README.AX25  |  46 ++++++++++
 doc/README.NX25  |  46 ----------
 doc/README.ae250 | 275 -------------------------------------------------------
 doc/README.ae350 | 275 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 321 insertions(+), 321 deletions(-)
 create mode 100644 doc/README.AX25
 delete mode 100644 doc/README.NX25
 delete mode 100644 doc/README.ae250
 create mode 100644 doc/README.ae350

diff --git a/doc/README.AX25 b/doc/README.AX25
new file mode 100644
index 0000000..7a607dd
--- /dev/null
+++ b/doc/README.AX25
@@ -0,0 +1,46 @@
+AX25 is Andes CPU IP to adopt RISC-V architecture.
+
+Features
+========
+
+CPU Core
+ - 5-stage in-order execution pipeline
+ - Hardware Multiplier
+	 - radix-2/radix-4/radix-16/radix-256/fast
+ - Hardware Divider
+ - Optional branch prediction
+ - Machine mode and optional user mode
+ - Optional performance monitoring
+
+ISA
+ - RV64I base integer instructions
+ - RVC for 16-bit compressed instructions
+ - RVM for multiplication and division instructions
+
+Memory subsystem
+ - I & D local memory
+   - Size: 4KB to 16MB
+ - Memory subsyetem soft-error protection
+   - Protection scheme: parity-checking or error-checking-and-correction (ECC)
+   - Automatic hardware error correction
+
+Bus
+ - Interface Protocol
+   - Synchronous AHB (32-bit/64-bit data-width), or
+   - Synchronous AXI4 (64-bit data-width)
+
+Power management
+ - Wait for interrupt (WFI) mode
+
+Debug
+ - Configurable number of breakpoints: 2/4/8
+ - External Debug Module
+   - AHB slave port
+ - External JTAG debug transport module
+
+Platform Level Interrupt Controller (PLIC)
+ - AHB slave port
+ - Configurable number of interrupts: 1-1023
+ - Configurable number of interrupt priorities: 3/7/15/63/127/255
+ - Configurable number of targets:  1-16
+ - Preempted interrupt priority stack
diff --git a/doc/README.NX25 b/doc/README.NX25
deleted file mode 100644
index 9f054e5..0000000
--- a/doc/README.NX25
+++ /dev/null
@@ -1,46 +0,0 @@
-NX25 is Andes CPU IP to adopt RISC-V architecture.
-
-Features
-========
-
-CPU Core
- - 5-stage in-order execution pipeline
- - Hardware Multiplier
-	 - radix-2/radix-4/radix-16/radix-256/fast
- - Hardware Divider
- - Optional branch prediction
- - Machine mode and optional user mode
- - Optional performance monitoring
-
-ISA
- - RV64I base integer instructions
- - RVC for 16-bit compressed instructions
- - RVM for multiplication and division instructions
-
-Memory subsystem
- - I & D local memory
-   - Size: 4KB to 16MB
- - Memory subsyetem soft-error protection
-   - Protection scheme: parity-checking or error-checking-and-correction (ECC)
-   - Automatic hardware error correction
-
-Bus
- - Interface Protocol
-   - Synchronous AHB (32-bit/64-bit data-width), or
-   - Synchronous AXI4 (64-bit data-width)
-
-Power management
- - Wait for interrupt (WFI) mode
-
-Debug
- - Configurable number of breakpoints: 2/4/8
- - External Debug Module
-   - AHB slave port
- - External JTAG debug transport module
-
-Platform Level Interrupt Controller (PLIC)
- - AHB slave port
- - Configurable number of interrupts: 1-1023
- - Configurable number of interrupt priorities: 3/7/15/63/127/255
- - Configurable number of targets:  1-16
- - Preempted interrupt priority stack
diff --git a/doc/README.ae250 b/doc/README.ae250
deleted file mode 100644
index 77c168a..0000000
--- a/doc/README.ae250
+++ /dev/null
@@ -1,275 +0,0 @@
-Andes Technology SoC AE250
-===========================
-
-AE250 is the mainline SoC produced by Andes Technology using NX25 CPU core
-base on RISC-V architecture.
-
-AE250 has integrated both AHB and APB bus and many periphals for application
-and product development.
-
-NX25-AE250
-=========
-
-NX25-AE250 is the SoC with AE250 hardcore CPU.
-
-Configurations
-==============
-
-CONFIG_SKIP_LOWLEVEL_INIT:
-	If you want to boot this system from SPI ROM and bypass e-bios (the
-	other boot loader on ROM). You should undefine CONFIG_SKIP_LOWLEVEL_INIT
-	in "include/configs/nx25-ae250.h".
-
-Build and boot steps
-====================
-
-build:
-1. Prepare the toolchains and make sure the $PATH to toolchains is correct.
-2. Use `make nx25-ae250_defconfig` in u-boot root to build the image.
-
-Verification
-====================
-
-Target
-====================
-1. startup
-2. relocation
-3. timer driver
-4. uart driver
-5. mac driver
-6. mmc driver
-7. spi driver
-
-Steps
-====================
-1. Define CONFIG_SKIP_LOWLEVEL_INIT to build u-boot which is loaded via gdb from ram.
-2. Undefine CONFIG_SKIP_LOWLEVEL_INIT to build u-boot which is booted from spi rom.
-3. Ping a server by mac driver
-4. Scan sd card and copy u-boot image which is booted from flash to ram by sd driver.
-5. Burn this u-boot image to spi rom by spi driver
-6. Re-boot u-boot from spi flash with power off and power on.
-
-Messages of U-Boot boot on AE250 board
-======================================
-U-Boot 2018.01-rc2-00033-g824f89a (Dec 21 2017 - 16:51:26 +0800)
-
-DRAM:  1 GiB
-MMC:   mmc at f0e00000: 0
-SF: Detected mx25u1635e with page size 256 Bytes, erase size 4 KiB, total 2 MiB
-In:    serial at f0300000
-Out:   serial at f0300000
-Err:   serial at f0300000
-Net:
-Warning: mac at e0100000 (eth0) using random MAC address - be:dd:d7:e4:e8:10
-eth0: mac at e0100000
-
-RISC-V # version
-U-Boot 2018.01-rc2-00033-gb265b91-dirty (Dec 22 2017 - 13:54:21 +0800)
-
-riscv32-unknown-linux-gnu-gcc (GCC) 7.2.0
-GNU ld (GNU Binutils) 2.29
-
-RISC-V # setenv ipaddr 10.0.4.200 ;
-RISC-V # setenv serverip 10.0.4.97 ;
-RISC-V # ping 10.0.4.97 ;
-Using mac at e0100000 device
-host 10.0.4.97 is alive
-
-RISC-V # mmc rescan
-RISC-V # fatls mmc 0:1
-   318907   u-boot-ae250-64.bin
-     1252   hello_world_ae250_32.bin
-   328787   u-boot-ae250-32.bin
-
-3 file(s), 0 dir(s)
-
-RISC-V # sf probe 0:0 50000000 0
-SF: Detected mx25u1635e with page size 256 Bytes, erase size 4 KiB, total 2 MiB
-
-RISC-V # sf test 0x100000 0x1000
-SPI flash test:
-0 erase: 36 ticks, 111 KiB/s 0.888 Mbps
-1 check: 29 ticks, 137 KiB/s 1.096 Mbps
-2 write: 40 ticks, 100 KiB/s 0.800 Mbps
-3 read: 20 ticks, 200 KiB/s 1.600 Mbps
-Test passed
-0 erase: 36 ticks, 111 KiB/s 0.888 Mbps
-1 check: 29 ticks, 137 KiB/s 1.096 Mbps
-2 write: 40 ticks, 100 KiB/s 0.800 Mbps
-3 read: 20 ticks, 200 KiB/s 1.600 Mbps
-
-RISC-V # fatload mmc 0:1 0x600000 u-boot-ae250-32.bin
-reading u-boot-ae250-32.bin
-328787 bytes read in 324 ms (990.2 KiB/s)
-
-RISC-V # sf erase 0x0 0x51000
-SF: 331776 bytes @ 0x0 Erased: OK
-
-RISC-V # sf write 0x600000 0x0 0x50453
-device 0 offset 0x0, size 0x50453
-SF: 328787 bytes @ 0x0 Written: OK
-
-RISC-V # crc32 0x600000 0x50453
-crc32 for 00600000 ... 00650452 ==> 692dc44a
-
-RISC-V # crc32 0x80000000 0x50453
-crc32 for 80000000 ... 80050452 ==> 692dc44a
-RISC-V #
-
-*** power-off and power-on, this U-Boot is booted from spi flash 	***
-
-U-Boot 2018.01-rc2-00032-gf67dd47-dirty (Dec 21 2017 - 13:56:03 +0800)
-
-DRAM:  1 GiB
-MMC:   mmc at f0e00000: 0
-SF: Detected mx25u1635e with page size 256 Bytes, erase size 4 KiB, total 2 MiB
-In:    serial at f0300000
-Out:   serial at f0300000
-Err:   serial at f0300000
-Net:
-Warning: mac at e0100000 (eth0) using random MAC address - ee:4c:58:29:32:f5
-eth0: mac at e0100000
-RISC-V #
-
-
-Boot bbl and riscv-linux via U-Boot on QEMU
-===========================================
-1. Build riscv-linux
-2. Build bbl and riscv-linux with --with-payload
-3. Prepare ae250.dtb
-4. Creating OS-kernel images
-	./mkimage -A riscv -O linux -T kernel -C none -a 0x0000 -e 0x0000 -d bbl.bin bootmImage-bbl.bin
-	Image Name:
-	Created:      Tue Mar 13 10:06:42 2018
-	Image Type:   RISC-V Linux Kernel Image (uncompressed)
-	Data Size:    17901204 Bytes = 17481.64 KiB = 17.07 MiB
-	Load Address: 00000000
-	Entry Point:  00000000
-
-4. Copy bootmImage-bbl.bin and ae250.dtb to qemu sd card image
-5. Message of booting riscv-linux from bbl via u-boot on qemu
-
-U-Boot 2018.03-rc4-00031-g2631273 (Mar 13 2018 - 15:02:55 +0800)
-
-DRAM:  1 GiB
-main-loop: WARNING: I/O thread spun for 1000 iterations
-MMC:   mmc at f0e00000: 0
-Loading Environment from SPI Flash... *** Warning - spi_flash_probe_bus_cs() failed, using default environment
-
-Failed (-22)
-In:    serial at f0300000
-Out:   serial at f0300000
-Err:   serial at f0300000
-Net:
-Warning: mac at e0100000 (eth0) using random MAC address - 02:00:00:00:00:00
-eth0: mac at e0100000
-RISC-V # mmc rescan
-RISC-V # mmc part
-
-Partition Map for MMC device 0  --   Partition Type: DOS
-
-Part    Start Sector    Num Sectors     UUID            Type
-RISC-V # fatls mmc 0:0
- 17901268   bootmImage-bbl.bin
-     1954   ae2xx.dtb
-
-2 file(s), 0 dir(s)
-
-RISC-V # fatload mmc 0:0 0x00600000 bootmImage-bbl.bin
-17901268 bytes read in 4642 ms (3.7 MiB/s)
-RISC-V # fatload mmc 0:0 0x2000000 ae250.dtb
-1954 bytes read in 1 ms (1.9 MiB/s)
-RISC-V # setenv bootm_size 0x2000000
-RISC-V # setenv fdt_high 0x1f00000
-RISC-V # bootm 0x00600000 - 0x2000000
-## Booting kernel from Legacy Image at 00600000 ...
-   Image Name:
-   Image Type:   RISC-V Linux Kernel Image (uncompressed)
-   Data Size:    17901204 Bytes = 17.1 MiB
-   Load Address: 00000000
-   Entry Point:  00000000
-   Verifying Checksum ... OK
-## Flattened Device Tree blob at 02000000
-   Booting using the fdt blob at 0x2000000
-   Loading Kernel Image ... OK
-   Loading Device Tree to 0000000001efc000, end 0000000001eff7a1 ... OK
-[    0.000000] OF: fdt: Ignoring memory range 0x0 - 0x200000
-[    0.000000] Linux version 4.14.0-00046-gf3e439f-dirty (rick at atcsqa06) (gcc version 7.1.1 20170509 (GCC)) #1 Tue Jan 9 16:34:25 CST 2018
-[    0.000000] bootconsole [early0] enabled
-[    0.000000] Initial ramdisk at: 0xffffffe000016a98 (12267008 bytes)
-[    0.000000] Zone ranges:
-[    0.000000]   DMA      [mem 0x0000000000200000-0x000000007fffffff]
-[    0.000000]   Normal   empty
-[    0.000000] Movable zone start for each node
-[    0.000000] Early memory node ranges
-[    0.000000]   node   0: [mem 0x0000000000200000-0x000000007fffffff]
-[    0.000000] Initmem setup node 0 [mem 0x0000000000200000-0x000000007fffffff]
-[    0.000000] elf_hwcap is 0x112d
-[    0.000000] random: fast init done
-[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 516615
-[    0.000000] Kernel command line: console=ttyS0,38400n8 earlyprintk=uart8250-32bit,0xf0300000 debug loglevel=7
-[    0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
-[    0.000000] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes)
-[    0.000000] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes)
-[    0.000000] Sorting __ex_table...
-[    0.000000] Memory: 2047832K/2095104K available (1856K kernel code, 204K rwdata, 532K rodata, 12076K init, 756K bss, 47272K reserved, 0K cma-reserved)
-[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
-[    0.000000] NR_IRQS: 0, nr_irqs: 0, preallocated irqs: 0
-[    0.000000] riscv,cpu_intc,0: 64 local interrupts mapped
-[    0.000000] riscv,plic0,e4000000: mapped 31 interrupts to 1/2 handlers
-[    0.000000] clocksource: riscv_clocksource: mask: 0xffffffffffffffff max_cycles: 0x24e6a1710, max_idle_ns: 440795202120 ns
-[    0.000000] Calibrating delay loop (skipped), value calculated using timer frequency.. 20.00 BogoMIPS (lpj=40000)
-[    0.000000] pid_max: default: 32768 minimum: 301
-[    0.004000] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes)
-[    0.004000] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes)
-[    0.056000] devtmpfs: initialized
-[    0.060000] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
-[    0.064000] futex hash table entries: 256 (order: 0, 6144 bytes)
-[    0.068000] NET: Registered protocol family 16
-[    0.080000] vgaarb: loaded
-[    0.084000] clocksource: Switched to clocksource riscv_clocksource
-[    0.088000] NET: Registered protocol family 2
-[    0.092000] TCP established hash table entries: 16384 (order: 5, 131072 bytes)
-[    0.096000] TCP bind hash table entries: 16384 (order: 5, 131072 bytes)
-[    0.096000] TCP: Hash tables configured (established 16384 bind 16384)
-[    0.100000] UDP hash table entries: 1024 (order: 3, 32768 bytes)
-[    0.100000] UDP-Lite hash table entries: 1024 (order: 3, 32768 bytes)
-[    0.104000] NET: Registered protocol family 1
-[    0.616000] Unpacking initramfs...
-[    1.220000] workingset: timestamp_bits=62 max_order=19 bucket_order=0
-[    1.244000] io scheduler noop registered
-[    1.244000] io scheduler cfq registered (default)
-[    1.244000] io scheduler mq-deadline registered
-[    1.248000] io scheduler kyber registered
-[    1.360000] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
-[    1.368000] console [ttyS0] disabled
-[    1.372000] f0300000.serial: ttyS0 at MMIO 0xf0300020 (irq = 10, base_baud = 1228800) is a 16550A
-[    1.392000] console [ttyS0] enabled
-[    1.392000] ftmac100: Loading version 0.2 ...
-[    1.396000] ftmac100 e0100000.mac eth0: irq 8, mapped at ffffffd002005000
-[    1.400000] ftmac100 e0100000.mac eth0: generated random MAC address 6e:ac:c3:92:36:c0
-[    1.404000] IR NEC protocol handler initialized
-[    1.404000] IR RC5(x/sz) protocol handler initialized
-[    1.404000] IR RC6 protocol handler initialized
-[    1.404000] IR JVC protocol handler initialized
-[    1.408000] IR Sony protocol handler initialized
-[    1.408000] IR SANYO protocol handler initialized
-[    1.408000] IR Sharp protocol handler initialized
-[    1.408000] IR MCE Keyboard/mouse protocol handler initialized
-[    1.412000] IR XMP protocol handler initialized
-[    1.456000] ftsdc010 f0e00000.mmc: mmc0 - using hw SDIO IRQ
-[    1.464000] bootconsole [early0] uses init memory and must be disabled even before the real one is ready
-[    1.464000] bootconsole [early0] disabled
-[    1.508000] Freeing unused kernel memory: 12076K
-[    1.512000] This architecture does not have kernel memory protection.
-[    1.520000] mmc0: new SD card at address 4567
-[    1.524000] mmcblk0: mmc0:4567 QEMU! 20.0 MiB
-[    1.844000]  mmcblk0:
-Wed Dec  1 10:00:00 CST 2010
-/ #
-
-
-
-TODO
-==================================================
-Boot bbl and riscv-linux via U-Boot on AE250 board
diff --git a/doc/README.ae350 b/doc/README.ae350
new file mode 100644
index 0000000..fe75b80
--- /dev/null
+++ b/doc/README.ae350
@@ -0,0 +1,275 @@
+Andes Technology SoC AE350
+===========================
+
+AE350 is the mainline SoC produced by Andes Technology using AX25 CPU core
+base on RISC-V architecture.
+
+AE350 has integrated both AHB and APB bus and many periphals for application
+and product development.
+
+AX25-AE350
+=========
+
+AX25-AE350 is the SoC with AE350 hardcore CPU.
+
+Configurations
+==============
+
+CONFIG_SKIP_LOWLEVEL_INIT:
+	If you want to boot this system from SPI ROM and bypass e-bios (the
+	other boot loader on ROM). You should undefine CONFIG_SKIP_LOWLEVEL_INIT
+	in "include/configs/ax25-ae350.h".
+
+Build and boot steps
+====================
+
+build:
+1. Prepare the toolchains and make sure the $PATH to toolchains is correct.
+2. Use `make ax25-ae350_defconfig` in u-boot root to build the image.
+
+Verification
+====================
+
+Target
+====================
+1. startup
+2. relocation
+3. timer driver
+4. uart driver
+5. mac driver
+6. mmc driver
+7. spi driver
+
+Steps
+====================
+1. Define CONFIG_SKIP_LOWLEVEL_INIT to build u-boot which is loaded via gdb from ram.
+2. Undefine CONFIG_SKIP_LOWLEVEL_INIT to build u-boot which is booted from spi rom.
+3. Ping a server by mac driver
+4. Scan sd card and copy u-boot image which is booted from flash to ram by sd driver.
+5. Burn this u-boot image to spi rom by spi driver
+6. Re-boot u-boot from spi flash with power off and power on.
+
+Messages of U-Boot boot on AE350 board
+======================================
+U-Boot 2018.01-rc2-00033-g824f89a (Dec 21 2017 - 16:51:26 +0800)
+
+DRAM:  1 GiB
+MMC:   mmc at f0e00000: 0
+SF: Detected mx25u1635e with page size 256 Bytes, erase size 4 KiB, total 2 MiB
+In:    serial at f0300000
+Out:   serial at f0300000
+Err:   serial at f0300000
+Net:
+Warning: mac at e0100000 (eth0) using random MAC address - be:dd:d7:e4:e8:10
+eth0: mac at e0100000
+
+RISC-V # version
+U-Boot 2018.01-rc2-00033-gb265b91-dirty (Dec 22 2017 - 13:54:21 +0800)
+
+riscv32-unknown-linux-gnu-gcc (GCC) 7.2.0
+GNU ld (GNU Binutils) 2.29
+
+RISC-V # setenv ipaddr 10.0.4.200 ;
+RISC-V # setenv serverip 10.0.4.97 ;
+RISC-V # ping 10.0.4.97 ;
+Using mac at e0100000 device
+host 10.0.4.97 is alive
+
+RISC-V # mmc rescan
+RISC-V # fatls mmc 0:1
+   318907   u-boot-ae350-64.bin
+     1252   hello_world_ae350_32.bin
+   328787   u-boot-ae350-32.bin
+
+3 file(s), 0 dir(s)
+
+RISC-V # sf probe 0:0 50000000 0
+SF: Detected mx25u1635e with page size 256 Bytes, erase size 4 KiB, total 2 MiB
+
+RISC-V # sf test 0x100000 0x1000
+SPI flash test:
+0 erase: 36 ticks, 111 KiB/s 0.888 Mbps
+1 check: 29 ticks, 137 KiB/s 1.096 Mbps
+2 write: 40 ticks, 100 KiB/s 0.800 Mbps
+3 read: 20 ticks, 200 KiB/s 1.600 Mbps
+Test passed
+0 erase: 36 ticks, 111 KiB/s 0.888 Mbps
+1 check: 29 ticks, 137 KiB/s 1.096 Mbps
+2 write: 40 ticks, 100 KiB/s 0.800 Mbps
+3 read: 20 ticks, 200 KiB/s 1.600 Mbps
+
+RISC-V # fatload mmc 0:1 0x600000 u-boot-ae350-32.bin
+reading u-boot-ae350-32.bin
+328787 bytes read in 324 ms (990.2 KiB/s)
+
+RISC-V # sf erase 0x0 0x51000
+SF: 331776 bytes @ 0x0 Erased: OK
+
+RISC-V # sf write 0x600000 0x0 0x50453
+device 0 offset 0x0, size 0x50453
+SF: 328787 bytes @ 0x0 Written: OK
+
+RISC-V # crc32 0x600000 0x50453
+crc32 for 00600000 ... 00650452 ==> 692dc44a
+
+RISC-V # crc32 0x80000000 0x50453
+crc32 for 80000000 ... 80050452 ==> 692dc44a
+RISC-V #
+
+*** power-off and power-on, this U-Boot is booted from spi flash 	***
+
+U-Boot 2018.01-rc2-00032-gf67dd47-dirty (Dec 21 2017 - 13:56:03 +0800)
+
+DRAM:  1 GiB
+MMC:   mmc at f0e00000: 0
+SF: Detected mx25u1635e with page size 256 Bytes, erase size 4 KiB, total 2 MiB
+In:    serial at f0300000
+Out:   serial at f0300000
+Err:   serial at f0300000
+Net:
+Warning: mac at e0100000 (eth0) using random MAC address - ee:4c:58:29:32:f5
+eth0: mac at e0100000
+RISC-V #
+
+
+Boot bbl and riscv-linux via U-Boot on QEMU
+===========================================
+1. Build riscv-linux
+2. Build bbl and riscv-linux with --with-payload
+3. Prepare ae350.dtb
+4. Creating OS-kernel images
+	./mkimage -A riscv -O linux -T kernel -C none -a 0x0000 -e 0x0000 -d bbl.bin bootmImage-bbl.bin
+	Image Name:
+	Created:      Tue Mar 13 10:06:42 2018
+	Image Type:   RISC-V Linux Kernel Image (uncompressed)
+	Data Size:    17901204 Bytes = 17481.64 KiB = 17.07 MiB
+	Load Address: 00000000
+	Entry Point:  00000000
+
+4. Copy bootmImage-bbl.bin and ae350.dtb to qemu sd card image
+5. Message of booting riscv-linux from bbl via u-boot on qemu
+
+U-Boot 2018.03-rc4-00031-g2631273 (Mar 13 2018 - 15:02:55 +0800)
+
+DRAM:  1 GiB
+main-loop: WARNING: I/O thread spun for 1000 iterations
+MMC:   mmc at f0e00000: 0
+Loading Environment from SPI Flash... *** Warning - spi_flash_probe_bus_cs() failed, using default environment
+
+Failed (-22)
+In:    serial at f0300000
+Out:   serial at f0300000
+Err:   serial at f0300000
+Net:
+Warning: mac at e0100000 (eth0) using random MAC address - 02:00:00:00:00:00
+eth0: mac at e0100000
+RISC-V # mmc rescan
+RISC-V # mmc part
+
+Partition Map for MMC device 0  --   Partition Type: DOS
+
+Part    Start Sector    Num Sectors     UUID            Type
+RISC-V # fatls mmc 0:0
+ 17901268   bootmImage-bbl.bin
+     1954   ae2xx.dtb
+
+2 file(s), 0 dir(s)
+
+RISC-V # fatload mmc 0:0 0x00600000 bootmImage-bbl.bin
+17901268 bytes read in 4642 ms (3.7 MiB/s)
+RISC-V # fatload mmc 0:0 0x2000000 ae350.dtb
+1954 bytes read in 1 ms (1.9 MiB/s)
+RISC-V # setenv bootm_size 0x2000000
+RISC-V # setenv fdt_high 0x1f00000
+RISC-V # bootm 0x00600000 - 0x2000000
+## Booting kernel from Legacy Image at 00600000 ...
+   Image Name:
+   Image Type:   RISC-V Linux Kernel Image (uncompressed)
+   Data Size:    17901204 Bytes = 17.1 MiB
+   Load Address: 00000000
+   Entry Point:  00000000
+   Verifying Checksum ... OK
+## Flattened Device Tree blob at 02000000
+   Booting using the fdt blob at 0x2000000
+   Loading Kernel Image ... OK
+   Loading Device Tree to 0000000001efc000, end 0000000001eff7a1 ... OK
+[    0.000000] OF: fdt: Ignoring memory range 0x0 - 0x200000
+[    0.000000] Linux version 4.14.0-00046-gf3e439f-dirty (rick at atcsqa06) (gcc version 7.1.1 20170509 (GCC)) #1 Tue Jan 9 16:34:25 CST 2018
+[    0.000000] bootconsole [early0] enabled
+[    0.000000] Initial ramdisk at: 0xffffffe000016a98 (12267008 bytes)
+[    0.000000] Zone ranges:
+[    0.000000]   DMA      [mem 0x0000000000200000-0x000000007fffffff]
+[    0.000000]   Normal   empty
+[    0.000000] Movable zone start for each node
+[    0.000000] Early memory node ranges
+[    0.000000]   node   0: [mem 0x0000000000200000-0x000000007fffffff]
+[    0.000000] Initmem setup node 0 [mem 0x0000000000200000-0x000000007fffffff]
+[    0.000000] elf_hwcap is 0x112d
+[    0.000000] random: fast init done
+[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 516615
+[    0.000000] Kernel command line: console=ttyS0,38400n8 earlyprintk=uart8250-32bit,0xf0300000 debug loglevel=7
+[    0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
+[    0.000000] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes)
+[    0.000000] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes)
+[    0.000000] Sorting __ex_table...
+[    0.000000] Memory: 2047832K/2095104K available (1856K kernel code, 204K rwdata, 532K rodata, 12076K init, 756K bss, 47272K reserved, 0K cma-reserved)
+[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
+[    0.000000] NR_IRQS: 0, nr_irqs: 0, preallocated irqs: 0
+[    0.000000] riscv,cpu_intc,0: 64 local interrupts mapped
+[    0.000000] riscv,plic0,e4000000: mapped 31 interrupts to 1/2 handlers
+[    0.000000] clocksource: riscv_clocksource: mask: 0xffffffffffffffff max_cycles: 0x24e6a1710, max_idle_ns: 440795202120 ns
+[    0.000000] Calibrating delay loop (skipped), value calculated using timer frequency.. 20.00 BogoMIPS (lpj=40000)
+[    0.000000] pid_max: default: 32768 minimum: 301
+[    0.004000] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes)
+[    0.004000] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes)
+[    0.056000] devtmpfs: initialized
+[    0.060000] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
+[    0.064000] futex hash table entries: 256 (order: 0, 6144 bytes)
+[    0.068000] NET: Registered protocol family 16
+[    0.080000] vgaarb: loaded
+[    0.084000] clocksource: Switched to clocksource riscv_clocksource
+[    0.088000] NET: Registered protocol family 2
+[    0.092000] TCP established hash table entries: 16384 (order: 5, 131072 bytes)
+[    0.096000] TCP bind hash table entries: 16384 (order: 5, 131072 bytes)
+[    0.096000] TCP: Hash tables configured (established 16384 bind 16384)
+[    0.100000] UDP hash table entries: 1024 (order: 3, 32768 bytes)
+[    0.100000] UDP-Lite hash table entries: 1024 (order: 3, 32768 bytes)
+[    0.104000] NET: Registered protocol family 1
+[    0.616000] Unpacking initramfs...
+[    1.220000] workingset: timestamp_bits=62 max_order=19 bucket_order=0
+[    1.244000] io scheduler noop registered
+[    1.244000] io scheduler cfq registered (default)
+[    1.244000] io scheduler mq-deadline registered
+[    1.248000] io scheduler kyber registered
+[    1.360000] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
+[    1.368000] console [ttyS0] disabled
+[    1.372000] f0300000.serial: ttyS0 at MMIO 0xf0300020 (irq = 10, base_baud = 1228800) is a 16550A
+[    1.392000] console [ttyS0] enabled
+[    1.392000] ftmac100: Loading version 0.2 ...
+[    1.396000] ftmac100 e0100000.mac eth0: irq 8, mapped at ffffffd002005000
+[    1.400000] ftmac100 e0100000.mac eth0: generated random MAC address 6e:ac:c3:92:36:c0
+[    1.404000] IR NEC protocol handler initialized
+[    1.404000] IR RC5(x/sz) protocol handler initialized
+[    1.404000] IR RC6 protocol handler initialized
+[    1.404000] IR JVC protocol handler initialized
+[    1.408000] IR Sony protocol handler initialized
+[    1.408000] IR SANYO protocol handler initialized
+[    1.408000] IR Sharp protocol handler initialized
+[    1.408000] IR MCE Keyboard/mouse protocol handler initialized
+[    1.412000] IR XMP protocol handler initialized
+[    1.456000] ftsdc010 f0e00000.mmc: mmc0 - using hw SDIO IRQ
+[    1.464000] bootconsole [early0] uses init memory and must be disabled even before the real one is ready
+[    1.464000] bootconsole [early0] disabled
+[    1.508000] Freeing unused kernel memory: 12076K
+[    1.512000] This architecture does not have kernel memory protection.
+[    1.520000] mmc0: new SD card at address 4567
+[    1.524000] mmcblk0: mmc0:4567 QEMU! 20.0 MiB
+[    1.844000]  mmcblk0:
+Wed Dec  1 10:00:00 CST 2010
+/ #
+
+
+
+TODO
+==================================================
+Boot bbl and riscv-linux via U-Boot on AE350 board
-- 
2.7.4



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