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| author | Tom Rini <trini@konsulko.com> | 2016-10-12 12:29:42 (GMT) |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2016-10-12 12:29:42 (GMT) |
| commit | 711b534120c0a5f73cdb9a25eb91f9aa0c5e09ab (patch) | |
| tree | 4982ebe5c4ed6d1e28e110f17f2ca09e388d9ba1 /arch/arm/cpu/armv8/fsl-layerscape/fdt.c | |
| parent | 8435179271106ec6fe9a9a5679b897755b1db8dd (diff) | |
| parent | 76379dfb7e7e5092f32c79897bb58c19979e576b (diff) | |
| download | u-boot-711b534120c0a5f73cdb9a25eb91f9aa0c5e09ab.tar.xz | |
Merge git://git.denx.de/u-boot-fsl-qoriq
Signed-off-by: Tom Rini <trini@konsulko.com>
Conflicts:
include/configs/ls1021aqds.h
include/configs/ls1021atwr.h
Diffstat (limited to 'arch/arm/cpu/armv8/fsl-layerscape/fdt.c')
| -rw-r--r-- | arch/arm/cpu/armv8/fsl-layerscape/fdt.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/fdt.c b/arch/arm/cpu/armv8/fsl-layerscape/fdt.c index 40d6a76..1a8321b 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/fdt.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/fdt.c @@ -108,6 +108,24 @@ remove_psci_node: } #endif +void fsl_fdt_disable_usb(void *blob) +{ + int off; + /* + * SYSCLK is used as a reference clock for USB. When the USB + * controller is used, SYSCLK must meet the additional requirement + * of 100 MHz. + */ + if (CONFIG_SYS_CLK_FREQ != 100000000) { + off = fdt_node_offset_by_compatible(blob, -1, "snps,dwc3"); + while (off != -FDT_ERR_NOTFOUND) { + fdt_status_disabled(blob, off); + off = fdt_node_offset_by_compatible(blob, off, + "snps,dwc3"); + } + } +} + void ft_cpu_setup(void *blob, bd_t *bd) { #ifdef CONFIG_FSL_LSCH2 @@ -150,4 +168,6 @@ void ft_cpu_setup(void *blob, bd_t *bd) #ifdef CONFIG_SYS_DPAA_FMAN fdt_fixup_fman_firmware(blob); #endif + fsl_fdt_disable_usb(blob); + } |