Merge branch 'uboot'

[karo-tx-uboot.git] / board / freescale / t104xrdb / README

diff --git a/board/freescale/t104xrdb/README b/board/freescale/t104xrdb/README
index 11e03bd300aea2e4df699bf82a2332df1f081f84..ac95b5e5094da83c54b797b945f4e98784bbcf8e 100644 (file)
--- a/board/freescale/t104xrdb/README
+++ b/board/freescale/t104xrdb/README
@@ -4,10 +4,23 @@ The T1040RDB is a Freescale reference board that hosts the T1040 SoC
 (and variants). Variants inclued T1042 presonality of T1040, in which
 case T1040RDB can also be called T1042RDB.
 
+The T1042RDB is a Freescale reference board that hosts the T1042 SoC
+(and variants). The board is similar to T1040RDB, T1040 is a reduced
+personality of T1040 SoC without Integrated 8-port Gigabit(L2 Switch).
+
 The T1042RDB_PI is a Freescale reference board that hosts the T1042 SoC.
 (a personality of T1040 SoC). The board is similar to T1040RDB but is
 designed specially with low power features targeted for Printing Image Market.
 
+Basic difference's among T1040RDB, T1042RDB_PI, T1042RDB
+-------------------------------------------------------------------------
+Board          Si              Protocol                Targeted Market
+-------------------------------------------------------------------------
+T1040RDB       T1040           0x66                    Networking
+T1040RDB       T1042           0x86                    Networking
+T1042RDB_PI    T1042           0x06                    Printing & Imaging
+
+
 T1040 SoC Overview
 ------------------
 The QorIQ T1040/T1042 processor support four integrated 64-bit e5500 PA
@@ -164,14 +177,14 @@ NOR Flash memory Map
 0xEFF40000      0xEFFFFFFF      u-boot (current bank)            768KB
 0xEFF20000      0xEFF3FFFF      u-boot env (current bank)        128KB
 0xEFF00000      0xEFF1FFFF      FMAN Ucode (current bank)        128KB
-0xED300000      0xEFF3FFFF      rootfs (alt bank)                44MB + 256KB
-0xEC800000      0xEC8FFFF       Hardware device tree (alt bank)  1MB
+0xED300000      0xEFEFFFFF      rootfs (alt bank)                44MB
+0xEC800000      0xEC8FFFFF      Hardware device tree (alt bank)  1MB
 0xEC020000      0xEC7FFFFF      Linux.uImage (alt bank)          7MB + 875KB
 0xEC000000      0xEC01FFFF      RCW (alt bank)                   128KB
 0xEBF40000      0xEBFFFFFF      u-boot (alt bank)                768KB
 0xEBF20000      0xEBF3FFFF      u-boot env (alt bank)            128KB
 0xEBF00000      0xEBF1FFFF      FMAN ucode (alt bank)            128KB
-0xE9300000      0xEBF3FFFF      rootfs (current bank)            44MB + 256KB
+0xE9300000      0xEBEFFFFF      rootfs (current bank)            44MB
 0xE8800000      0xE88FFFFF      Hardware device tree (cur bank)  11MB + 512KB
 0xE8020000      0xE86FFFFF      Linux.uImage (current bank)      7MB + 875KB
 0xE8000000      0xE801FFFF      RCW (current bank)               128KB
@@ -194,7 +207,80 @@ The below commands apply to the board
    Commands for switching to alternate bank.
 
        1. To change from vbank0 to vbank4
-               => qixis_reset altbank (it will boot using vbank4)
+               => cpld reset altbank (it will boot using vbank4)
 
        2.To change from vbank4 to vbank0
-               => qixis reset (it will boot using vbank0)
+               => cpld reset (it will boot using vbank0)
+
+NAND boot with 2 Stage boot loader
+----------------------------------
+PBL initialise the internal SRAM and copy SPL(160KB) in SRAM.
+SPL further initialise DDR using SPD and environment variables and copy
+u-boot(768 KB) from flash to DDR.
+Finally SPL transer control to u-boot for futher booting.
+
+SPL has following features:
+ - Executes within 256K
+ - No relocation required
+
+ Run time view of SPL framework during  boot :-
+ -----------------------------------------------
+ Area        | Address                         |
+-----------------------------------------------
+ Secure boot | 0xFFFC0000 (32KB)               |
+ headers     |                                 |
+ -----------------------------------------------
+ GD, BD      | 0xFFFC8000 (4KB)                |
+ -----------------------------------------------
+ ENV         | 0xFFFC9000 (8KB)                |
+ -----------------------------------------------
+ HEAP        | 0xFFFCB000 (30KB)               |
+ -----------------------------------------------
+ STACK       | 0xFFFD8000 (22KB)               |
+ -----------------------------------------------
+ U-boot SPL  | 0xFFFD8000 (160KB)              |
+ -----------------------------------------------
+
+NAND Flash memory Map on T104xRDB
+------------------------------------------
+ Start          End            Definition                      Size
+0x000000       0x0FFFFF        u-boot                          1MB
+0x180000       0x19FFFF        u-boot env                      128KB
+0x280000       0x29FFFF        FMAN Ucode                      128KB
+0x380000       0x39FFFF        QE Firmware                     128KB
+
+SD Card memory Map on T104xRDB
+------------------------------------------
+ Block         #blocks         Definition                      Size
+0x008          2048            u-boot                          1MB
+0x800          0024            u-boot env                      8KB
+0x820          0256            FMAN Ucode                      128KB
+0x920          0256            QE Firmware                     128KB
+
+SPI Flash memory Map on T104xRDB
+------------------------------------------
+ Start          End            Definition                      Size
+0x000000       0x0FFFFF        u-boot                          1MB
+0x100000       0x101FFF        u-boot env                      8KB
+0x110000       0x12FFFF        FMAN Ucode                      128KB
+0x130000       0x14FFFF        QE Firmware                     128KB
+
+Please note QE Firmware is only valid for T1040RDB
+
+
+Switch Settings: (ON is 0, OFF is 1)
+===============
+NAND boot SW setting:
+SW1: 10001000
+SW2: 00111011
+SW3: 11110001
+
+SPI boot SW setting:
+SW1: 00100010
+SW2: 10111011
+SW3: 11100001
+
+SD boot SW setting:
+SW1: 00100000
+SW2: 00111011
+SW3: 11100001