/* * clock.h - implementation of the PXA clock functions * * Copyright (C) 2010 by Marc Kleine-Budde <mkl@pengutronix.de> * * This file is released under the GPLv2 * */ #include <common.h> #include <mach/clock.h> #include <mach/pxa-regs.h> /* Crystal clock: 13MHz */ #define BASE_CLK 13000000 unsigned long pxa_get_uartclk(void) { return 14857000; } unsigned long pxa_get_mmcclk(void) { return 19500000; } /* * Return the current LCD clock frequency in units of 10kHz as */ static unsigned int pxa_get_lcdclk_10khz(void) { unsigned long ccsr; unsigned int l, L, k, K; ccsr = CCSR; l = ccsr & 0x1f; k = (l <= 7) ? 1 : (l <= 16) ? 2 : 4; L = l * BASE_CLK; K = L / k; return (K / 10000); } unsigned long pxa_get_lcdclk(void) { return pxa_get_lcdclk_10khz() * 10000; }