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authorJagannadha Sutradharudu Teki <jaganna@xilinx.com>2013-05-31 16:00:36 +0530
committerJagannadha Sutradharudu Teki <jaganna@xilinx.com>2013-06-23 22:02:50 +0530
commitfc207ee4db20ef6e769b0d08dab8b102748acb35 (patch)
tree55487ccae5872efbf26847606f2da5bc45b91201 /board
parente3ff9d51ecf5fb00eccafa35965112e487f8b522 (diff)
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sf: Update sf read to support all sizes of flashes
This patch updated the spi_flash read func to support all sizes of flashes using bank reg addr facility. The same support has been added in below patch for erase/write spi_flash functions: "sf: Support all sizes of flashes using bank addr reg facility" (sha1: c956f600cbb0943d0afe1004cdb503f4fcd8f415) With these new updates on sf framework, the flashes which has < 16MB are not effected as per as performance is concern and but the u-boot.bin size incrased ~460 bytes. sf update(for first 16MBytes), Changes before: U-Boot> sf update 0x1000000 0x0 0x1000000 - N25Q256 16777216 bytes written, 0 bytes skipped in 199.72s, speed 86480 B/s - W25Q128BV 16777216 bytes written, 0 bytes skipped in 351.739s, speed 48913 B/s - S25FL256S_64K 16777216 bytes written, 0 bytes skipped in 65.659s, speed 262144 B/s sf update(for first 16MBytes), Changes before: U-Boot> sf update 0x1000000 0x0 0x1000000 - N25Q256 16777216 bytes written, 0 bytes skipped in 198.953s, speed 86480 B/s - W25Q128BV 16777216 bytes written, 0 bytes skipped in 350.90s, speed 49200 B/s - S25FL256S_64K 16777216 bytes written, 0 bytes skipped in 66.521s, speed 262144 B/s Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com> Reviewed-by: Simon Glass <sjg@chromium.org>
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