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More DT modifications for AT91. Now that I am sure that 

the drivers modification are picked-up by MTD.
 Changes the use ECC to hardware ECC (named PMECC) for
 SoCs that are using it and their associated Evaluation Kits:
 - at91sam9x5-ek
 - at91sam9n12-ek
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Merge tag 'at91-dt-late' of git://github.com/at91linux/linux-at91 into next/dt

From Nicolas Ferre:
More DT modifications for AT91. Now that I am sure that
the drivers modification are picked-up by MTD.
Changes the use ECC to hardware ECC (named PMECC) for
SoCs that are using it and their associated Evaluation Kits:
- at91sam9x5-ek
- at91sam9n12-ek

* tag 'at91-dt-late' of git://github.com/at91linux/linux-at91:
  ARM: at91: at91sam9n12: add DT parameters to enable PMECC
  ARM: at91: at91sam9x5: add DT parameters to enable PMECC
This commit is contained in:
Olof Johansson 2013-02-17 16:43:41 -08:00
parent c56cc512e2 c18c6b29e0
commit 4f0e429ccf
4 changed files with 14 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
arch/arm/boot/dts/at91sam9n12.dtsi
View File

@ -390,8 +390,9 @@ nand0: nand@40000000 {
reg = < 0x40000000 0x10000000
0xffffe000 0x00000600
0xffffe600 0x00000200
0x00100000 0x00100000
0x00108000 0x00018000
>;
atmel,pmecc-lookup-table-offset = <0x0 0x8000>;
atmel,nand-addr-offset = <21>;
atmel,nand-cmd-offset = <22>;
pinctrl-names = "default";

5
arch/arm/boot/dts/at91sam9n12ek.dts
View File

@ -71,7 +71,10 @@ pinctrl_board_mmc0: mmc0-board {
nand0: nand@40000000 {
nand-bus-width = <8>;
nand-ecc-mode = "soft";
nand-ecc-mode = "hw";
atmel,has-pmecc;
atmel,pmecc-cap = <2>;
atmel,pmecc-sector-size = <512>;
nand-on-flash-bbt;
status = "okay";
};

4
arch/arm/boot/dts/at91sam9x5.dtsi
View File

@ -518,7 +518,11 @@ nand0: nand@40000000 {
#address-cells = <1>;
#size-cells = <1>;
reg = <0x40000000 0x10000000
0xffffe000 0x600 /* PMECC Registers */
0xffffe600 0x200 /* PMECC Error Location Registers */
0x00108000 0x18000 /* PMECC looup table in ROM code */
>;
atmel,pmecc-lookup-table-offset = <0x0 0x8000>;
atmel,nand-addr-offset = <21>;
atmel,nand-cmd-offset = <22>;
pinctrl-names = "default";

5
arch/arm/boot/dts/at91sam9x5cm.dtsi
View File

@ -26,7 +26,10 @@ main_clock: clock@0 {
ahb {
nand0: nand@40000000 {
nand-bus-width = <8>;
nand-ecc-mode = "soft";
nand-ecc-mode = "hw";
atmel,has-pmecc; /* Enable PMECC */
atmel,pmecc-cap = <2>;
atmel,pmecc-sector-size = <512>;
nand-on-flash-bbt;
status = "okay";