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Diffstat (limited to 'qemu/roms/u-boot/doc/README.fsl_iim')
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diff --git a/qemu/roms/u-boot/doc/README.fsl_iim b/qemu/roms/u-boot/doc/README.fsl_iim deleted file mode 100644 index e087f5e0e..000000000 --- a/qemu/roms/u-boot/doc/README.fsl_iim +++ /dev/null @@ -1,48 +0,0 @@ -Driver implementing the fuse API for Freescale's IC Identification Module (IIM) - -This IP can be found on the following SoCs: - - MPC512x, - - i.MX25, - - i.MX27, - - i.MX31, - - i.MX35, - - i.MX51, - - i.MX53. - -The section numbers in this file refer to the i.MX25 Reference Manual. - -A fuse word contains 8 fuse bit slots, as explained in 30.4.2.2.1. - -A bank contains 256 fuse word slots, as shown by the memory map in 30.3.1. - -Some fuse bit or word slots may not have the corresponding fuses actually -implemented in the fusebox. - -See the README files of the SoCs using this driver in order to know the -conventions used by U-Boot to store some specific data in the fuses, e.g. MAC -addresses. - -Fuse operations: - - Read - Read operations are implemented as read accesses to the shadow registers, - using "Word y of Bank x" from the register summary in 30.3.2. This is - explained in detail in 30.4.5.1. - - Sense - Sense operations are implemented as explained in 30.4.5.2. - - Program - Program operations are implemented as explained in 30.4.5.3. Following - this operation, the shadow registers are reloaded by the hardware (not - immediately, but this does not make any difference for a user reading - these registers). - - Override - Override operations are implemented as write accesses to the shadow - registers, as explained in 30.4.5.4. - -Configuration: - - CONFIG_FSL_IIM - Define this to enable the fsl_iim driver. |