xref: /openbmc/u-boot/doc/SPI/status.txt (revision 36499549)
1*36499549SJagannadha Sutradharudu TekiStatus on SPI subsystem:
2*36499549SJagannadha Sutradharudu Teki=======================
3*36499549SJagannadha Sutradharudu Teki
4*36499549SJagannadha Sutradharudu TekiSPI COMMAND (common/cmd_sf, cmd_spi):
5*36499549SJagannadha Sutradharudu Teki-
6*36499549SJagannadha Sutradharudu Teki
7*36499549SJagannadha Sutradharudu TekiSPI FLASH (drivers/mtd/spi):
8*36499549SJagannadha Sutradharudu Teki- sf_probe.c: SPI flash probing code.
9*36499549SJagannadha Sutradharudu Teki- sf_ops.c: SPI flash operations code.
10*36499549SJagannadha Sutradharudu Teki- sf.c: SPI flash interface, which interacts controller driver.
11*36499549SJagannadha Sutradharudu Teki- Bank Address Register (Accessing flashes > 16Mbytes in 3-byte addressing)
12*36499549SJagannadha Sutradharudu Teki- Common probe support for all supported flash vendors except, ramtron.
13*36499549SJagannadha Sutradharudu Teki
14*36499549SJagannadha Sutradharudu TekiSPI DRIVERS (drivers/spi):
15*36499549SJagannadha Sutradharudu Teki-
16*36499549SJagannadha Sutradharudu Teki
17*36499549SJagannadha Sutradharudu TekiTODO:
18*36499549SJagannadha Sutradharudu Teki- Runtime detection of spi_flash params(if possible)
19*36499549SJagannadha Sutradharudu Teki- Extended read commands support(dual read, dual IO read)
20*36499549SJagannadha Sutradharudu Teki- Quad Page Program support.
21*36499549SJagannadha Sutradharudu Teki- Quad Read support(quad fast read, quad IO read)
22*36499549SJagannadha Sutradharudu Teki- Dual flash connection topology support(accessing two spi flash memories with single cs)
23*36499549SJagannadha Sutradharudu Teki- Banking support on dual flash connection topology.
24*36499549SJagannadha Sutradharudu Teki- Need proper cleanups on spi_flash and drivers.
25*36499549SJagannadha Sutradharudu Teki
26*36499549SJagannadha Sutradharudu Teki--
27*36499549SJagannadha Sutradharudu TekiJagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>
28*36499549SJagannadha Sutradharudu Teki18-09-2013.
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