Gentoo Archives: gentoo-embedded

From: Ned Ludd <solar@g.o>
To: gentoo-embedded@l.g.o
Subject: Re: [gentoo-embedded] arm or armeb?
Date: Fri, 03 Oct 2008 14:32:25
Message-Id: 1223044342.11480.2.camel@localhost
In Reply to: Re: [gentoo-embedded] arm or armeb? by Jean-Marc Beaune
1 On Fri, 2008-10-03 at 13:34 +0200, Jean-Marc Beaune wrote:
2 > Hi,
3 >
4 > The details:
5 >
6 > - Processor: 16/32 bit AT91SAM7X256 (ARM7TDMI-S™)
7 > - 256 K Flash
8 > - 64 K RAM
9 > - USB 2.0
10 > - Ethernet 10/100 Mbits
11 > - 2 x RS-232
12 > - ADC (10 bits), CAN, 2 x UARTs, TWI(I2C), 2 x SPI, 3 x timers
13 > 32bit, SSC, 4 x PWM, WDT, PDC (DMA)
14 > - Frequency up to 55 MHz
15 > - JTAG connector (ARM's 2 x 10 pins - ARM-JTAG compatible)
16 > - Color TFT 128 x 128 pixels
17 > - SD™/MMC™
18 > - Mini-joystick
19 > - Loudspeaker
20 > - Audio input/output
21 > - Crystal 18,432 MHz sur support
22 > - RESET buton
23 > - Dimension: 128 x 98 mm
24 >
25 > The question is not specifically for this hardware but more "when to
26 > choose arm and when to choose armeb" ?
27
28
29 Just talked to a friend over at atmel. He confirms that you probably
30 want a arm-softfloat-linux-uclibc toolchain.
31
32 Generally the intel xscale chips tend to be the BE ones that we see on
33 arm. Otherwise most everything else is LE.
34
35
36 > Thank you
37 >
38 >
39 >
40 > On Fri, Oct 3, 2008 at 1:05 PM, Karl Hiramoto <karl@××××××××.org>
41 > wrote:
42 >
43 > Jean-Marc Beaune wrote:
44 > > Hi,
45 > >
46 > > I plan to cross-compile for an arm chip but how to know if I
47 > should
48 > > choose arm or armeb machine?
49 > >
50 > > Thanks
51 > > --
52 > > Jean-Marc
53 >
54 > Depends.. Maybe give details of your bootloader, board,
55 > peripherals,
56 > CPU, etc..
57 >
58 >
59 > --
60 > Karl
61 >
62 >
63 >
64 >
65 >
66 > --
67 > Jean-Marc
68 >