From f1a96ec1a9920854c3308a062caca0b339bd1e3b Mon Sep 17 00:00:00 2001 From: Chunhe Lan Date: Wed, 7 May 2014 10:50:20 +0800 Subject: 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 Signed-off-by: Chunhe Lan Reviewed-by: York Sun --- drivers/pci/fsl_pci_init.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'drivers/pci') diff --git a/drivers/pci/fsl_pci_init.c b/drivers/pci/fsl_pci_init.c index 6317fb1324..3a41b0ec17 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); -- cgit v1.2.3