diff options
Diffstat (limited to 'Documentation/kernel-parameters.txt')
-rw-r--r-- | Documentation/kernel-parameters.txt | 52 |
1 files changed, 43 insertions, 9 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index ecad946920d1..d77fbd8b79ac 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt | |||
@@ -229,14 +229,6 @@ and is between 256 and 4096 characters. It is defined in the file | |||
229 | to assume that this machine's pmtimer latches its value | 229 | to assume that this machine's pmtimer latches its value |
230 | and always returns good values. | 230 | and always returns good values. |
231 | 231 | ||
232 | acpi.power_nocheck= [HW,ACPI] | ||
233 | Format: 1/0 enable/disable the check of power state. | ||
234 | On some bogus BIOS the _PSC object/_STA object of | ||
235 | power resource can't return the correct device power | ||
236 | state. In such case it is unneccessary to check its | ||
237 | power state again in power transition. | ||
238 | 1 : disable the power state check | ||
239 | |||
240 | acpi_sci= [HW,ACPI] ACPI System Control Interrupt trigger mode | 232 | acpi_sci= [HW,ACPI] ACPI System Control Interrupt trigger mode |
241 | Format: { level | edge | high | low } | 233 | Format: { level | edge | high | low } |
242 | 234 | ||
@@ -1006,6 +998,7 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1006 | nomerge | 998 | nomerge |
1007 | forcesac | 999 | forcesac |
1008 | soft | 1000 | soft |
1001 | pt [x86, IA64] | ||
1009 | 1002 | ||
1010 | io7= [HW] IO7 for Marvel based alpha systems | 1003 | io7= [HW] IO7 for Marvel based alpha systems |
1011 | See comment before marvel_specify_io7 in | 1004 | See comment before marvel_specify_io7 in |
@@ -1369,6 +1362,27 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1369 | min_addr=nn[KMG] [KNL,BOOT,ia64] All physical memory below this | 1362 | min_addr=nn[KMG] [KNL,BOOT,ia64] All physical memory below this |
1370 | physical address is ignored. | 1363 | physical address is ignored. |
1371 | 1364 | ||
1365 | mini2440= [ARM,HW,KNL] | ||
1366 | Format:[0..2][b][c][t] | ||
1367 | Default: "0tb" | ||
1368 | MINI2440 configuration specification: | ||
1369 | 0 - The attached screen is the 3.5" TFT | ||
1370 | 1 - The attached screen is the 7" TFT | ||
1371 | 2 - The VGA Shield is attached (1024x768) | ||
1372 | Leaving out the screen size parameter will not load | ||
1373 | the TFT driver, and the framebuffer will be left | ||
1374 | unconfigured. | ||
1375 | b - Enable backlight. The TFT backlight pin will be | ||
1376 | linked to the kernel VESA blanking code and a GPIO | ||
1377 | LED. This parameter is not necessary when using the | ||
1378 | VGA shield. | ||
1379 | c - Enable the s3c camera interface. | ||
1380 | t - Reserved for enabling touchscreen support. The | ||
1381 | touchscreen support is not enabled in the mainstream | ||
1382 | kernel as of 2.6.30, a preliminary port can be found | ||
1383 | in the "bleeding edge" mini2440 support kernel at | ||
1384 | http://repo.or.cz/w/linux-2.6/mini2440.git | ||
1385 | |||
1372 | mminit_loglevel= | 1386 | mminit_loglevel= |
1373 | [KNL] When CONFIG_DEBUG_MEMORY_INIT is set, this | 1387 | [KNL] When CONFIG_DEBUG_MEMORY_INIT is set, this |
1374 | parameter allows control of the logging verbosity for | 1388 | parameter allows control of the logging verbosity for |
@@ -1410,6 +1424,16 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1410 | mtdparts= [MTD] | 1424 | mtdparts= [MTD] |
1411 | See drivers/mtd/cmdlinepart.c. | 1425 | See drivers/mtd/cmdlinepart.c. |
1412 | 1426 | ||
1427 | onenand.bdry= [HW,MTD] Flex-OneNAND Boundary Configuration | ||
1428 | |||
1429 | Format: [die0_boundary][,die0_lock][,die1_boundary][,die1_lock] | ||
1430 | |||
1431 | boundary - index of last SLC block on Flex-OneNAND. | ||
1432 | The remaining blocks are configured as MLC blocks. | ||
1433 | lock - Configure if Flex-OneNAND boundary should be locked. | ||
1434 | Once locked, the boundary cannot be changed. | ||
1435 | 1 indicates lock status, 0 indicates unlock status. | ||
1436 | |||
1413 | mtdset= [ARM] | 1437 | mtdset= [ARM] |
1414 | ARM/S3C2412 JIVE boot control | 1438 | ARM/S3C2412 JIVE boot control |
1415 | 1439 | ||
@@ -1776,6 +1800,9 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1776 | root domains (aka PCI segments, in ACPI-speak). | 1800 | root domains (aka PCI segments, in ACPI-speak). |
1777 | nommconf [X86] Disable use of MMCONFIG for PCI | 1801 | nommconf [X86] Disable use of MMCONFIG for PCI |
1778 | Configuration | 1802 | Configuration |
1803 | check_enable_amd_mmconf [X86] check for and enable | ||
1804 | properly configured MMIO access to PCI | ||
1805 | config space on AMD family 10h CPU | ||
1779 | nomsi [MSI] If the PCI_MSI kernel config parameter is | 1806 | nomsi [MSI] If the PCI_MSI kernel config parameter is |
1780 | enabled, this kernel boot option can be used to | 1807 | enabled, this kernel boot option can be used to |
1781 | disable the use of MSI interrupts system-wide. | 1808 | disable the use of MSI interrupts system-wide. |
@@ -1865,6 +1892,12 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1865 | PAGE_SIZE is used as alignment. | 1892 | PAGE_SIZE is used as alignment. |
1866 | PCI-PCI bridge can be specified, if resource | 1893 | PCI-PCI bridge can be specified, if resource |
1867 | windows need to be expanded. | 1894 | windows need to be expanded. |
1895 | ecrc= Enable/disable PCIe ECRC (transaction layer | ||
1896 | end-to-end CRC checking). | ||
1897 | bios: Use BIOS/firmware settings. This is the | ||
1898 | the default. | ||
1899 | off: Turn ECRC off | ||
1900 | on: Turn ECRC on. | ||
1868 | 1901 | ||
1869 | pcie_aspm= [PCIE] Forcibly enable or disable PCIe Active State Power | 1902 | pcie_aspm= [PCIE] Forcibly enable or disable PCIe Active State Power |
1870 | Management. | 1903 | Management. |
@@ -2440,7 +2473,8 @@ and is between 256 and 4096 characters. It is defined in the file | |||
2440 | 2473 | ||
2441 | tp720= [HW,PS2] | 2474 | tp720= [HW,PS2] |
2442 | 2475 | ||
2443 | trace_buf_size=nn[KMG] [ftrace] will set tracing buffer size. | 2476 | trace_buf_size=nn[KMG] |
2477 | [FTRACE] will set tracing buffer size. | ||
2444 | 2478 | ||
2445 | trix= [HW,OSS] MediaTrix AudioTrix Pro | 2479 | trix= [HW,OSS] MediaTrix AudioTrix Pro |
2446 | Format: | 2480 | Format: |