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-rw-r--r--cpu/mips/incaip_clock.c116
1 files changed, 0 insertions, 116 deletions
diff --git a/cpu/mips/incaip_clock.c b/cpu/mips/incaip_clock.c
deleted file mode 100644
index fc2c621..0000000
--- a/cpu/mips/incaip_clock.c
+++ /dev/null
@@ -1,116 +0,0 @@
-/*
- * (C) Copyright 2003
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * 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
- */
-
-#include <common.h>
-#include <asm/inca-ip.h>
-
-
-/*******************************************************************************
-*
-* get_cpuclk - returns the frequency of the CPU.
-*
-* Gets the value directly from the INCA-IP hardware.
-*
-* RETURNS:
-* 150.000.000 for 150 MHz
-* 133.333.333 for 133 MHz (= 400MHz/3)
-* 100.000.000 for 100 MHz (= 400MHz/4)
-* NOTE:
-* This functions should be used by the hardware driver to get the correct
-* frequency of the CPU. Don't use the macros, which are set to init the CPU
-* frequency in the ROM code.
-*/
-uint incaip_get_cpuclk (void)
-{
- /*-------------------------------------------------------------------------*/
- /* CPU Clock Input Multiplexer (MUX I) */
- /* Multiplexer MUX I selects the maximum input clock to the CPU. */
- /*-------------------------------------------------------------------------*/
- if (*((volatile ulong *) INCA_IP_CGU_CGU_MUXCR) &
- INCA_IP_CGU_CGU_MUXCR_MUXI) {
- /* MUX I set to 150 MHz clock */
- return 150000000;
- } else {
- /* MUX I set to 100/133 MHz clock */
- if (*((volatile ulong *) INCA_IP_CGU_CGU_DIVCR) & 0x40) {
- /* Division value is 1/3, maximum CPU operating */
- /* frequency is 133.3 MHz */
- return 133333333;
- } else {
- /* Division value is 1/4, maximum CPU operating */
- /* frequency is 100 MHz */
- return 100000000;
- }
- }
-}
-
-/*******************************************************************************
-*
-* get_fpiclk - returns the frequency of the FPI bus.
-*
-* Gets the value directly from the INCA-IP hardware.
-*
-* RETURNS: Frquency in Hz
-*
-* NOTE:
-* This functions should be used by the hardware driver to get the correct
-* frequency of the CPU. Don't use the macros, which are set to init the CPU
-* frequency in the ROM code.
-* The calculation for the
-*/
-uint incaip_get_fpiclk (void)
-{
- uint clkCPU;
-
- clkCPU = incaip_get_cpuclk ();
-
- switch (*((volatile ulong *) INCA_IP_CGU_CGU_DIVCR) & 0xC) {
- case 0x4:
- return clkCPU >> 1; /* devided by 2 */
- break;
- case 0x8:
- return clkCPU >> 2; /* devided by 4 */
- break;
- default:
- return clkCPU;
- break;
- }
-}
-
-int incaip_set_cpuclk (void)
-{
- extern void ebu_init(long);
- extern void cgu_init(long);
- extern void sdram_init(long);
- char tmp[64];
- ulong cpuclk;
-
- if (getenv_r ("cpuclk", tmp, sizeof (tmp)) > 0) {
- cpuclk = simple_strtoul (tmp, NULL, 10) * 1000000;
- cgu_init (cpuclk);
- ebu_init (cpuclk);
- sdram_init (cpuclk);
- }
-
- return 0;
-}