diff options
| author | Juergen Beisert <juergen@kreuzholzen.de> | 2009-10-27 19:57:36 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2009-10-28 09:44:41 +0100 |
| commit | b1d8803e02fb980c78779f138084bd2d5e86a0a6 (patch) | |
| tree | 79f64a44a7b64fad120ce723c9ab5bd65f90177a /board | |
| parent | afae995ef9acd5ef6caa6ee2ba39540cf213f90c (diff) | |
| download | barebox-b1d8803e02fb980c78779f138084bd2d5e86a0a6.tar.gz barebox-b1d8803e02fb980c78779f138084bd2d5e86a0a6.tar.xz | |
A9M2440: Fix documentation
The generic A9M2440 comes in many variantes. Mostly with different SDRAM
and NAND populations. This patch reflects and describes these variants.
Signed-off-by: Juergen Beisert <juergen@kreuzholzen.de>
Diffstat (limited to 'board')
| -rw-r--r-- | board/a9m2440/a9m2440.c | 46 |
1 files changed, 30 insertions, 16 deletions
diff --git a/board/a9m2440/a9m2440.c b/board/a9m2440/a9m2440.c index 6b51687d3b..c33773082d 100644 --- a/board/a9m2440/a9m2440.c +++ b/board/a9m2440/a9m2440.c @@ -206,27 +206,42 @@ This CPU card is based on a Samsung S3C2440 CPU. The card is shipped with: - S3C2440\@400 MHz or 533 MHz (ARM920T/ARMv4T) - 16.9344 MHz crystal reference -- SDRAM 64 MiB - - Samsung K4M563233E-EE1H - - 2M x 32Bit x 4 Banks Mobile SDRAM +- SDRAM 32/64/128 MiB + - Samsung K4M563233E-EE1H (one or two devices for 32 MiB or 64 MiB) + - 2M x 32bit x 4 Banks Mobile SDRAM + - CL2\@100 MHz (CAS/RAS delay 19ns) + - 105 MHz max + - collumn address size is 9 bits + - Row cycle time: 69ns + - Samsung K4M513233C-DG75 (one or two devices for 64 MiB or 128 MiB) + - 4M x 32bit x 4 Banks Mobile SDRAM + - CL2\@100MHz (CAS/RAS delay 18ns) + - 111 MHz max + - collumn address size is 9 bits + - Row cycle time: 63ns + - 64ms refresh period (4k) - 90 pin FBGA - - CL3\@133MHz, CL2\@100MHz (CAS/RAS delay 19ns) - - four banks - 32 bit data bits - - row address size is 11 - - Row cycle time: 69ns - - collumn address size is 9 bits - Extended temperature range (-25°C...85°C) - - 64ms refresh period (4k) -- NAND Flash 64 MiB - - Samsung KM29U512T - - 64MiB 3,3V 8-bit - - ID: 0xEC, 0x76, 0x??, 0xBD +- NAND Flash 32/64/128 MiB + - Samsung KM29U512T (NAND01GW3A0AN6) + - 64 MiB 3,3V 8-bit + - ID: 0xEC, 0x76, 0x??, 0xBD + - Samsung KM29U256T + - 32 MiB 3,3V 8-bit + - ID: 0xEC, 0x75, 0x??, 0xBD + - ST Micro + - 128 MiB 3,3V 8-bit + - ID: 0x20, 0x79 - 30ns/40ns/20ns -- I2C interface, 100KHz and 400KHz +- I2C interface, 100 KHz and 400 KHz - Real Time Clock - Dallas DS1337 - address 0x68 + - EEPROM + - ST M24LC64 + - address 0x50 + - 16bit addressing - LCD interface - Touch Screen interface - Camera interface @@ -236,8 +251,7 @@ This CPU card is based on a Samsung S3C2440 CPU. The card is shipped with: - 3 serial RS232 interfaces - Host and device USB interface, USB1.1 compliant - Ethernet interface - - 10Mbps, Cirrus Logic, CS8900A (on the CPU card) or - - 10/100Mbps, SMSC 91C111 (on the baseboard) + - 10Mbps, Cirrus Logic, CS8900A (on the CPU card) - SPI interface - JTAG interface |