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| author | Heiko Schocher <hs@denx.de> | 2009-02-24 11:30:48 +0100 |
|---|---|---|
| committer | Kim Phillips <kim.phillips@freescale.com> | 2009-03-05 18:21:29 -0600 |
| commit | 1e7ed2565031e01abc18c713030a0a9829c07684 (patch) | |
| tree | 116264406b0afeecc455ff92e9dca929867770a7 /board/keymile | |
| parent | 605f78e34a3f0103693b891f2573edd352e7d495 (diff) | |
| download | u-boot-imx-1e7ed2565031e01abc18c713030a0a9829c07684.zip u-boot-imx-1e7ed2565031e01abc18c713030a0a9829c07684.tar.gz u-boot-imx-1e7ed2565031e01abc18c713030a0a9829c07684.tar.bz2 | |
83xx, kmeter: QE_ENET10 errata for Silicon Revision 2.1
old code implemented the QE_ENET10 errata only for Silicon
Revision 2.0. New code reads now the Silicon Revision
register and sets dependend on the Silicon Revision the
values as advised in the QE_ENET10 errata.
Signed-off-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Diffstat (limited to 'board/keymile')
| -rw-r--r-- | board/keymile/kmeter1/kmeter1.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/board/keymile/kmeter1/kmeter1.c b/board/keymile/kmeter1/kmeter1.c index 4f41f1d..660d87b 100644 --- a/board/keymile/kmeter1/kmeter1.c +++ b/board/keymile/kmeter1/kmeter1.c @@ -24,6 +24,7 @@ #include <miiphy.h> #include <asm/io.h> #include <asm/mmu.h> +#include <asm/processor.h> #include <pci.h> #include <libfdt.h> @@ -80,19 +81,22 @@ static int board_init_i2c_busses (void) int board_early_init_r (void) { - void *reg = (void *)(CONFIG_SYS_IMMR + 0x14a8); - u32 val; + unsigned short svid; /* * Because of errata in the UCCs, we have to write to the reserved * registers to slow the clocks down. */ - val = in_be32 (reg); - /* UCC1 */ - val |= 0x00003000; - /* UCC2 */ - val |= 0x0c000000; - out_be32 (reg, val); + svid = SVR_REV(mfspr (SVR)); + switch (svid) { + case 0x0020: + setbits_be32((void *)(CONFIG_SYS_IMMR + 0x14a8), 0x0c003000); + break; + case 0x0021: + clrsetbits_be32((void *)(CONFIG_SYS_IMMR + 0x14ac), + 0x00000050, 0x000000a0); + break; + } /* enable the PHY on the PIGGY */ setbits (8, (void *)(CONFIG_SYS_PIGGY_BASE + 0x10003), 0x01); |