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pci: tegra: Add Tegra PCIe driver

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Add support for the PCIe controller found on some generations of Tegra.
Tegra20 has 2 root ports with a total of 4 lanes, Tegra30 has 3 root
ports with a total of 6 lanes and Tegra124 has 2 root ports with a total
of 5 lanes.

This is based on the Linux kernel driver, originally submitted upstream
by Mike Rapoport.

Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
This commit is contained in:
Thierry Reding 2014-12-09 22:25:12 -07:00 committed by Tom Warren
parent b02f3e0c2d
commit f315828b0d
4 changed files with 1150 additions and 0 deletions
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1
drivers/pci/Makefile
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@ -15,6 +15,7 @@ obj-$(CONFIG_FTPCI100) += pci_ftpci100.o
obj-$(CONFIG_SH4_PCI) += pci_sh4.o
obj-$(CONFIG_SH7751_PCI) +=pci_sh7751.o
obj-$(CONFIG_SH7780_PCI) +=pci_sh7780.o
obj-$(CONFIG_PCI_TEGRA) += pci_tegra.o
obj-$(CONFIG_TSI108_PCI) += tsi108_pci.o
obj-$(CONFIG_WINBOND_83C553) += w83c553f.o
obj-$(CONFIG_PCIE_LAYERSCAPE) += pcie_layerscape.o

1143
drivers/pci/pci_tegra.c Normal file
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File diff suppressed because it is too large Load diff

3
include/fdtdec.h
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@ -86,6 +86,9 @@ enum fdt_compat_id {
COMPAT_NVIDIA_TEGRA20_SFLASH, /* Tegra 2 SPI flash controller */
COMPAT_NVIDIA_TEGRA20_SLINK, /* Tegra 2 SPI SLINK controller */
COMPAT_NVIDIA_TEGRA114_SPI, /* Tegra 114 SPI controller */
COMPAT_NVIDIA_TEGRA124_PCIE, /* Tegra 124 PCIe controller */
COMPAT_NVIDIA_TEGRA30_PCIE, /* Tegra 30 PCIe controller */
COMPAT_NVIDIA_TEGRA20_PCIE, /* Tegra 20 PCIe controller */
COMPAT_NVIDIA_TEGRA124_XUSB_PADCTL,
/* Tegra124 XUSB pad controller */
COMPAT_SMSC_LAN9215, /* SMSC 10/100 Ethernet LAN9215 */

3
lib/fdtdec.c
View file

@ -41,6 +41,9 @@ static const char * const compat_names[COMPAT_COUNT] = {
COMPAT(NVIDIA_TEGRA20_SFLASH, "nvidia,tegra20-sflash"),
COMPAT(NVIDIA_TEGRA20_SLINK, "nvidia,tegra20-slink"),
COMPAT(NVIDIA_TEGRA114_SPI, "nvidia,tegra114-spi"),
COMPAT(NVIDIA_TEGRA124_PCIE, "nvidia,tegra124-pcie"),
COMPAT(NVIDIA_TEGRA30_PCIE, "nvidia,tegra30-pcie"),
COMPAT(NVIDIA_TEGRA20_PCIE, "nvidia,tegra20-pcie"),
COMPAT(NVIDIA_TEGRA124_XUSB_PADCTL, "nvidia,tegra124-xusb-padctl"),
COMPAT(SMSC_LAN9215, "smsc,lan9215"),
COMPAT(SAMSUNG_EXYNOS5_SROMC, "samsung,exynos-sromc"),