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| author | wdenk <wdenk> | 2005-03-14 23:01:03 +0000 |
|---|---|---|
| committer | wdenk <wdenk> | 2005-03-14 23:01:03 +0000 |
| commit | c3fafecff12103691613de73f461626fd51fef95 (patch) | |
| tree | 06d9af6b6e1a250286eb443368f2a5bee1f4b62a /board | |
| parent | a0bdf49e399e9e25e71081c5b3e73fc56c63a236 (diff) | |
| download | u-boot-imx-c3fafecff12103691613de73f461626fd51fef95.zip u-boot-imx-c3fafecff12103691613de73f461626fd51fef95.tar.gz u-boot-imx-c3fafecff12103691613de73f461626fd51fef95.tar.bz2 | |
Patch by Detlev Zundel, 14 Mar 2005:
NC650: changed NAND flash addressing to using UPMB
Diffstat (limited to 'board')
| -rw-r--r-- | board/nc650/nc650.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/board/nc650/nc650.c b/board/nc650/nc650.c index e0fa76f..fe96b93 100644 --- a/board/nc650/nc650.c +++ b/board/nc650/nc650.c @@ -70,6 +70,36 @@ const uint sdram_table[] = { 0x7ffffc07, _not_used_, _not_used_, _not_used_ }; +const uint nand_flash_table[] = { + /* single read. (offset 0 in upm RAM) */ + 0x0ff3fc04, 0x0ff3fc04, 0x0ff3fc04, 0x0ffffc04, + 0xfffffc00, 0xfffffc05, 0xfffffc05, 0xfffffc05, + + /* burst read. (offset 8 in upm RAM) */ + 0xffffcc05, 0xffffcc05, 0xffffcc05, 0xffffcc05, + 0xffffcc05, 0xffffcc05, 0xffffcc05, 0xffffcc05, + 0xffffcc05, 0xffffcc05, 0xffffcc05, 0xffffcc05, + 0xffffcc05, 0xffffcc05, 0xffffcc05, 0xffffcc05, + + /* single write. (offset 18 in upm RAM) */ + 0x00fffc04, 0x00fffc04, 0x00fffc04, 0x0ffffc04, + 0x0ffffc84, 0x0ffffc84, 0xfffffc00, 0xfffffc05, + + /* burst write. (offset 20 in upm RAM) */ + 0xffffcc05, 0xffffcc05, 0xffffcc05, 0xffffcc05, + 0xffffcc05, 0xffffcc05, 0xffffcc05, 0xffffcc05, + 0xffffcc05, 0xffffcc05, 0xffffcc05, 0xffffcc05, + 0xffffcc05, 0xffffcc05, 0xffffcc05, 0xffffcc05, + + /* refresh. (offset 30 in upm RAM) */ + 0xffffcc05, 0xffffcc05, 0xffffcc05, 0xffffcc05, + 0xffffcc05, 0xffffcc05, 0xffffcc05, 0xffffcc05, + 0xffffcc05, 0xffffcc05, 0xffffcc05, 0xffffcc05, + + /* exception. (offset 3c in upm RAM) */ + 0xffffcc05, 0xffffcc05, 0xffffcc05, 0xffffcc05 +}; + /* ------------------------------------------------------------------------- */ /* @@ -182,6 +212,12 @@ long int initdram (int board_type) udelay (10000); + /* Configure UPMB for NAND flash access */ + upmconfig (UPMB, (uint *) nand_flash_table, + sizeof (nand_flash_table) / sizeof (uint)); + + memctl->memc_mbmr = CFG_MBMR_NAND; + return (size_b0); } |