diff options
Diffstat (limited to 'target/linux/imx6/patches-3.12/0030-pcie-designware-fix-io-transfers.patch')
| -rw-r--r-- | target/linux/imx6/patches-3.12/0030-pcie-designware-fix-io-transfers.patch | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/target/linux/imx6/patches-3.12/0030-pcie-designware-fix-io-transfers.patch b/target/linux/imx6/patches-3.12/0030-pcie-designware-fix-io-transfers.patch deleted file mode 100644 index 1d3e83952b..0000000000 --- a/target/linux/imx6/patches-3.12/0030-pcie-designware-fix-io-transfers.patch +++ /dev/null @@ -1,58 +0,0 @@ -From: Pratyush Anand <pratyush.anand@st.com> - -pp->io_base which is the input of the outbound IO address translation -unit should be the cpu address, it was programmed wrongly to realio -address. - -We should pass global_io_offset rather than sys->io_offset to -pci_ioremap_io, so we map the new window into the first available spot -in the Linux view of the I/O space. - -We must also pass cpu address instead of realio address to -pci_ioremap_io. - -This patch fixes above issue. It has been tested with Lecroy PTC in AIC -mode and Pericom PI7C9X2G303EL PCIe switch, which does not work -otherwise. - -Signed-off-by: Pratyush Anand <pratyush.anand@st.com> -Tested-by: Mohit Kumar <mohit.kumar@st.com> -Tested-by: Tim Harvey <tharvey@gateworks.com> -Cc: Arnd Bergmann <arnd@arndb.de> -Cc: Marek Vasut <marex@denx.de> -Cc: Richard Zhu <Hong-Xing.Zhu@freescale.com> -Cc: linux-pci@vger.kernel.org -Cc: spear-devel@list.st.com ---- - drivers/pci/host/pcie-designware.c | 5 ++--- - 1 files changed, 2 insertions(+), 3 deletions(-) - -http://thread.gmane.org/gmane.linux.kernel.pci/27204 - ---- a/drivers/pci/host/pcie-designware.c -+++ b/drivers/pci/host/pcie-designware.c -@@ -177,6 +177,7 @@ int __init dw_pcie_host_init(struct pcie - + global_io_offset); - pp->config.io_size = resource_size(&pp->io); - pp->config.io_bus_addr = range.pci_addr; -+ pp->io_base = range.cpu_addr; - } - if (restype == IORESOURCE_MEM) { - of_pci_range_to_resource(&range, np, &pp->mem); -@@ -202,7 +203,6 @@ int __init dw_pcie_host_init(struct pcie - - pp->cfg0_base = pp->cfg.start; - pp->cfg1_base = pp->cfg.start + pp->config.cfg0_size; -- pp->io_base = pp->io.start; - pp->mem_base = pp->mem.start; - - pp->va_cfg0_base = devm_ioremap(pp->dev, pp->cfg0_base, -@@ -449,7 +449,7 @@ int dw_pcie_setup(int nr, struct pci_sys - - if (global_io_offset < SZ_1M && pp->config.io_size > 0) { - sys->io_offset = global_io_offset - pp->config.io_bus_addr; -- pci_ioremap_io(sys->io_offset, pp->io.start); -+ pci_ioremap_io(global_io_offset, pp->io_base); - global_io_offset += SZ_64K; - pci_add_resource_offset(&sys->resources, &pp->io, - sys->io_offset); |