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| author | Chunhe Lan <Chunhe.Lan@freescale.com> | 2014-05-07 10:50:20 +0800 |
|---|---|---|
| committer | York Sun <yorksun@freescale.com> | 2014-05-16 16:24:26 -0500 |
| commit | f1a96ec1a9920854c3308a062caca0b339bd1e3b (patch) | |
| tree | f1cf2111f5b0b49ad7ef751db0bd19ca608c8891 /drivers/pci | |
| parent | 0f1fa36ffffbd34c8512eeacade7139bcffda47c (diff) | |
| download | u-boot-imx-f1a96ec1a9920854c3308a062caca0b339bd1e3b.zip u-boot-imx-f1a96ec1a9920854c3308a062caca0b339bd1e3b.tar.gz u-boot-imx-f1a96ec1a9920854c3308a062caca0b339bd1e3b.tar.bz2 | |
fsl/pci: Add workaround for erratum A-005434
By default, all PEX inbound windows PEX_PEXIWARn[TRGT] are
mapped to 0xF, which is local memory. But for BSC9132, 0xF
is CCSR, 0x0 is local memory.
Signed-off-by: Minghuan Lian <Minghuan.Lian@freescale.com>
Signed-off-by: Chunhe Lan <Chunhe.Lan@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/fsl_pci_init.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/pci/fsl_pci_init.c b/drivers/pci/fsl_pci_init.c index 6317fb1..3a41b0e 100644 --- a/drivers/pci/fsl_pci_init.c +++ b/drivers/pci/fsl_pci_init.c @@ -49,8 +49,13 @@ static void set_inbound_window(volatile pit_t *pi, u64 size) { u32 sz = (__ilog2_u64(size) - 1); - u32 flag = PIWAR_EN | PIWAR_LOCAL | - PIWAR_READ_SNOOP | PIWAR_WRITE_SNOOP; +#ifdef CONFIG_SYS_FSL_ERRATUM_A005434 + u32 flag = 0; +#else + u32 flag = PIWAR_LOCAL; +#endif + + flag |= PIWAR_EN | PIWAR_READ_SNOOP | PIWAR_WRITE_SNOOP; out_be32(&pi->pitar, r->phys_start >> 12); out_be32(&pi->piwbar, r->bus_start >> 12); |