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| author | Pali Rohár <pali@kernel.org> | 2021-02-01 12:24:42 +0100 |
|---|---|---|
| committer | Pali Rohár <pali@kernel.org> | 2021-02-02 10:26:34 +0100 |
| commit | 23abf07ce46b897a9460aea88eb3e8a0bc67a0b7 (patch) | |
| tree | e61a58eb4605133e37947e5578ddbc58a09f5fdd | |
| parent | 9c3fffdc8673db8038608cba515931aac298f7e7 (diff) | |
| download | arm-trusted-firmware-23abf07ce46b897a9460aea88eb3e8a0bc67a0b7.tar.gz | |
docs: marvell: Add information into CLOCKSPRESET option how to identify CPU frequency
Signed-off-by: Pali Rohár <pali@kernel.org>
Change-Id: I5310c30051703bbf9f377762a00eb6a8188c6fa1
| -rw-r--r-- | docs/plat/marvell/armada/build.rst | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/docs/plat/marvell/armada/build.rst b/docs/plat/marvell/armada/build.rst index 2715f2601..a4116cd4e 100644 --- a/docs/plat/marvell/armada/build.rst +++ b/docs/plat/marvell/armada/build.rst @@ -168,6 +168,13 @@ There are several build options: - CPU_1000_DDR_800 - CPU at 1000 MHz, DDR at 800 MHz - CPU_1200_DDR_750 - CPU at 1200 MHz, DDR at 750 MHz + Look at Armada37x0 chip package marking on board to identify correct CPU frequency. + The last line on package marking (next line after the 88F37x0 line) should contain: + + - C080 or I080 - chip with 800 MHz CPU - use ``CLOCKSPRESET=CPU_800_DDR_800`` + - C100 or I100 - chip with 1000 MHz CPU - use ``CLOCKSPRESET=CPU_1000_DDR_800`` + - C120 - chip with 1200 MHz CPU - use ``CLOCKSPRESET=CPU_1200_DDR_750`` + - BOOTDEV For Armada37x0 only, the flash boot device, default is ``SPINOR``. |