diff options
Diffstat (limited to 'Documentation/powerpc/booting-without-of.txt')
-rw-r--r-- | Documentation/powerpc/booting-without-of.txt | 14 |
1 files changed, 3 insertions, 11 deletions
diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt index 3b514672b80e..b41397d6430a 100644 --- a/Documentation/powerpc/booting-without-of.txt +++ b/Documentation/powerpc/booting-without-of.txt | |||
@@ -497,7 +497,7 @@ looks like in practice. | |||
497 | | |- device_type = "cpu" | 497 | | |- device_type = "cpu" |
498 | | |- reg = <0> | 498 | | |- reg = <0> |
499 | | |- clock-frequency = <5f5e1000> | 499 | | |- clock-frequency = <5f5e1000> |
500 | | |- linux,boot-cpu | 500 | | |- 64-bit |
501 | | |- linux,phandle = <2> | 501 | | |- linux,phandle = <2> |
502 | | | 502 | | |
503 | o memory@0 | 503 | o memory@0 |
@@ -509,7 +509,6 @@ looks like in practice. | |||
509 | o chosen | 509 | o chosen |
510 | |- name = "chosen" | 510 | |- name = "chosen" |
511 | |- bootargs = "root=/dev/sda2" | 511 | |- bootargs = "root=/dev/sda2" |
512 | |- linux,platform = <00000600> | ||
513 | |- linux,phandle = <4> | 512 | |- linux,phandle = <4> |
514 | 513 | ||
515 | This tree is almost a minimal tree. It pretty much contains the | 514 | This tree is almost a minimal tree. It pretty much contains the |
@@ -519,7 +518,7 @@ physical memory layout. It also includes misc information passed | |||
519 | through /chosen, like in this example, the platform type (mandatory) | 518 | through /chosen, like in this example, the platform type (mandatory) |
520 | and the kernel command line arguments (optional). | 519 | and the kernel command line arguments (optional). |
521 | 520 | ||
522 | The /cpus/PowerPC,970@0/linux,boot-cpu property is an example of a | 521 | The /cpus/PowerPC,970@0/64-bit property is an example of a |
523 | property without a value. All other properties have a value. The | 522 | property without a value. All other properties have a value. The |
524 | significance of the #address-cells and #size-cells properties will be | 523 | significance of the #address-cells and #size-cells properties will be |
525 | explained in chapter IV which defines precisely the required nodes and | 524 | explained in chapter IV which defines precisely the required nodes and |
@@ -733,8 +732,7 @@ address which can extend beyond that limit. | |||
733 | that typically get driven by the same platform code in the | 732 | that typically get driven by the same platform code in the |
734 | kernel, you would use a different "model" property but put a | 733 | kernel, you would use a different "model" property but put a |
735 | value in "compatible". The kernel doesn't directly use that | 734 | value in "compatible". The kernel doesn't directly use that |
736 | value (see /chosen/linux,platform for how the kernel chooses a | 735 | value but it is generally useful. |
737 | platform type) but it is generally useful. | ||
738 | 736 | ||
739 | The root node is also generally where you add additional properties | 737 | The root node is also generally where you add additional properties |
740 | specific to your board like the serial number if any, that sort of | 738 | specific to your board like the serial number if any, that sort of |
@@ -778,7 +776,6 @@ address which can extend beyond that limit. | |||
778 | bytes | 776 | bytes |
779 | - d-cache-size : one cell, size of L1 data cache in bytes | 777 | - d-cache-size : one cell, size of L1 data cache in bytes |
780 | - i-cache-size : one cell, size of L1 instruction cache in bytes | 778 | - i-cache-size : one cell, size of L1 instruction cache in bytes |
781 | - linux, boot-cpu : Should be defined if this cpu is the boot cpu. | ||
782 | 779 | ||
783 | Recommended properties: | 780 | Recommended properties: |
784 | 781 | ||
@@ -843,11 +840,6 @@ address which can extend beyond that limit. | |||
843 | the prom_init() trampoline when booting with an OF client interface, | 840 | the prom_init() trampoline when booting with an OF client interface, |
844 | but that you have to provide yourself when using the flattened format. | 841 | but that you have to provide yourself when using the flattened format. |
845 | 842 | ||
846 | Required properties: | ||
847 | |||
848 | - linux,platform : This is your platform number as assigned by the | ||
849 | architecture maintainers | ||
850 | |||
851 | Recommended properties: | 843 | Recommended properties: |
852 | 844 | ||
853 | - bootargs : This zero-terminated string is passed as the kernel | 845 | - bootargs : This zero-terminated string is passed as the kernel |