Large-value clock speeds are error-prone, so we add a new file which defines these in a standard manner across ARM U-Boot code.
Any interest in having something like this in include/clocks.h?
Tested-by: Simon Glass sjg@chromium.org Signed-off-by: Simon Glass sjg@chromium.org --- arch/arm/include/asm/clocks.h | 43 +++++++++++++++++++++++++++++++++++++++++ 1 files changed, 43 insertions(+), 0 deletions(-) create mode 100644 arch/arm/include/asm/clocks.h
diff --git a/arch/arm/include/asm/clocks.h b/arch/arm/include/asm/clocks.h new file mode 100644 index 0000000..58cf838 --- /dev/null +++ b/arch/arm/include/asm/clocks.h @@ -0,0 +1,43 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* Standard clock speeds */ + +/* + * We define some commonly-used clock speeds to avoid error since long + * numbers are hard to read. + * + * The format of the label is + * CLK_x_yU where: + * x is the integer speed + * y is the fractional part which can be omitted if 0 + * U is the units (blank for Hz, K or M for KHz and MHz) + * + * Please order the items by increasing Hz + */ +enum { + CLK_32768 = 32768, + CLK_20M = 20000000, + CLK_24M = 24000000, + CLK_144M = 144000000, + CLK_216M = 216000000, + CLK_300M = 300000000, +};