[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [microblaze-uclinux] Petalogix MMU build
Hi Michal,
I did turn it on:
---
# Serial drivers
#
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_8250_NR_UARTS=1
CONFIG_SERIAL_8250_RUNTIME_UARTS=1
# CONFIG_SERIAL_8250_EXTENDED is not set
#
# Non-8250 serial port support
#
# CONFIG_SERIAL_UARTLITE is not set
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
CONFIG_UNIX98_PTYS=y
CONFIG_LEGACY_PTYS=y
CONFIG_LEGACY_PTY_COUNT=256
---
also:
--
CONFIG_XILINX_UART16550_0_INSTANCE="RS232"
CONFIG_XILINX_UART16550_0_BASEADDR=0xFFFE8000
CONFIG_XILINX_UART16550_0_HIGHADDR=0xFFFE9FFF
CONFIG_XILINX_UART16550_0_IS_A_16550=1
CONFIG_XILINX_UART16550_0_HAS_EXTERNAL_XIN=0
CONFIG_XILINX_UART16550_0_HAS_EXTERNAL_RCLK=0
CONFIG_XILINX_UART16550_0_SPLB_AWIDTH=32
CONFIG_XILINX_UART16550_0_SPLB_DWIDTH=64
CONFIG_XILINX_UART16550_0_SPLB_P2P=0
CONFIG_XILINX_UART16550_0_SPLB_MID_WIDTH=2
CONFIG_XILINX_UART16550_0_SPLB_NUM_MASTERS=3
CONFIG_XILINX_UART16550_0_SPLB_NATIVE_DWIDTH=32
CONFIG_XILINX_UART16550_0_SPLB_SUPPORT_BURSTS=0
CONFIG_XILINX_UART16550_0_FAMILY="spartan3e"
CONFIG_XILINX_UART16550_0_HW_VER="2.00.b"
CONFIG_XILINX_UART16550_0_IRQ=5
CONFIG_XILINX_UART16550_0_CLOCK_HZ=75000000
--
CONFIG_UART16550=1
CONFIG_STDINOUT_BASEADDR=0xFFFE8000
CONFIG_XILINX_ERAM_START=0x80000000
CONFIG_XILINX_ERAM_SIZE=0x04000000
CONFIG_XILINX_FLASH_START=0xf0000000
CONFIG_XILINX_FLASH_SIZE=0x08000000
CONFIG_XILINX_FLASH_WIDTH=16
CONFIG_XILINX_FLASH_DATAWIDTH_MATCHING=1
CONFIG_XILINX_LMB_START=0x00000000
CONFIG_XILINX_LMB_SIZE=0x00004000
CONFIG_XILINX_CPU_CLOCK_FREQ=75000000
--
Is there any requirement on the location of the peripheral base
addresses ? - I also noticed that the MMU examples have the base
address below system memory. For example:
CONFIG_STDINOUT_BASEADDR=0x84000000
CONFIG_XILINX_ERAM_START=0x8c000000
CONFIG_XILINX_ERAM_SIZE=0x02000000
CONFIG_XILINX_FLASH_START=0x90000000
CONFIG_XILINX_FLASH_SIZE=0x01000000
It's strange that there is absolutely no output at all..
U-boot works fine by the way.
Regards,
Finn
Michal Simek skrev:
Hi Finn,
Hello all,
Is the 16550 UART supported in a MMU configuration ?
I noticed that all the MMU refecrence platforms use the uartlite as
console and when running a MMU linux on my platform, there's no output
to the console of any kind...
Yes it is. Just turn on uart16550 in linux menuconfig and disable uartlite.
There is only missing early_printk features.
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
Thanks,
Michal
Finn
___________________________
microblaze-uclinux mailing list
microblaze-uclinux@xxxxxxxxxxxxxx
Project Home Page : http://www.itee.uq.edu.au/~jwilliams/mblaze-uclinux
Mailing List Archive :
http://www.itee.uq.edu.au/~listarch/microblaze-uclinux/
------------------------------------------------------------------------
No virus found in this incoming message.
Checked by AVG - www.avg.com
Version: 8.0.238 / Virus Database: 270.11.30/2026 - Release Date: 03/27/09 07:13:00
___________________________
microblaze-uclinux mailing list
microblaze-uclinux@xxxxxxxxxxxxxx
Project Home Page : http://www.itee.uq.edu.au/~jwilliams/mblaze-uclinux
Mailing List Archive : http://www.itee.uq.edu.au/~listarch/microblaze-uclinux/