From b1d8803e02fb980c78779f138084bd2d5e86a0a6 Mon Sep 17 00:00:00 2001
From: Juergen Beisert <juergen@kreuzholzen.de>
Date: Tue, 27 Oct 2009 19:57:36 +0100
Subject: [PATCH] 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>
---
 board/a9m2440/a9m2440.c | 50 ++++++++++++++++++++++++++---------------
 1 file changed, 32 insertions(+), 18 deletions(-)

diff --git a/board/a9m2440/a9m2440.c b/board/a9m2440/a9m2440.c
index 6b51687d3..c33773082 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
-   - 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)
+- 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)
-- NAND Flash 64 MiB
-   - Samsung KM29U512T
-   - 64MiB 3,3V 8-bit
-   - ID: 0xEC, 0x76, 0x??, 0xBD
+   - 90 pin FBGA
+   - 32 bit data bits
+   - Extended temperature range (-25°C...85°C)
+- 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