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| author | Nitin Garg <nitin.garg@freescale.com> | 2014-05-27 12:11:43 -0500 |
|---|---|---|
| committer | Nitin Garg <nitin.garg@freescale.com> | 2014-05-27 22:17:02 -0500 |
| commit | d0912be964679ada052bcd07a03d4689e84dce2e (patch) | |
| tree | 65c87cd94547001c93d6d2a591b9eb6b7437d828 /arch/arm/imx-common/iomux-v3.c | |
| parent | 748eac71fde78aa0c2e8cb3a3bab94bd994c06f5 (diff) | |
| download | u-boot-imx-d0912be964679ada052bcd07a03d4689e84dce2e.zip u-boot-imx-d0912be964679ada052bcd07a03d4689e84dce2e.tar.gz u-boot-imx-d0912be964679ada052bcd07a03d4689e84dce2e.tar.bz2 | |
ENGR00315499-6 ARM:imx6: Add USB gadget driver imx_udc to support Android fastboot
Android fastboot leans on the USB gadget driver to communicate with host. Porting
the imx_udc driver from v2009.08 with two changes: adding resource/memory release
APIs and replacing the uncached memory with cache flush&invalidate operations.
Pins and Clocks initialization are added to support boards:
mx6qdlsabresd, mx6qdlsabreauto, mx6slevk
Signed-off-by: Ye.Li <B37916@freescale.com>
Signed-off-by: Nitin Garg <nitin.garg@freescale.com>
Diffstat (limited to 'arch/arm/imx-common/iomux-v3.c')
| -rw-r--r-- | arch/arm/imx-common/iomux-v3.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/imx-common/iomux-v3.c b/arch/arm/imx-common/iomux-v3.c index b59b802..11cfc33 100644 --- a/arch/arm/imx-common/iomux-v3.c +++ b/arch/arm/imx-common/iomux-v3.c @@ -55,3 +55,18 @@ void imx_iomux_v3_setup_multiple_pads(iomux_v3_cfg_t const *pad_list, for (i = 0; i < count; i++) imx_iomux_v3_setup_pad(*p++); } + +void mxc_iomux_set_gpr_register(int group, int start_bit, + int num_bits, int value) +{ + int i = 0; + u32 reg; + reg = readl(base + group * 4); + while (num_bits) { + reg &= ~(1<<(start_bit + i)); + i++; + num_bits--; + } + reg |= (value << start_bit); + writel(reg, base + group * 4); +} |