ppc: Move cpu/$CPU to arch/ppc/cpu/$CPU

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>

1 files changed, 0 insertions, 389 deletions

diff --git a/cpu/ppc4xx/denali_data_eye.c b/cpu/ppc4xx/denali_data_eye.c
deleted file mode 100644
index ffc3817..0000000
--- a/cpu/ppc4xx/denali_data_eye.c
+++ /dev/null
@@ -1,389 +0,0 @@
-/*
- * cpu/ppc4xx/denali_data_eye.c
- * Extracted from board/amcc/sequoia/sdram.c by Larry Johnson <lrj@acm.org>.
- *
- * (C) Copyright 2006
- * Sylvie Gohl,             AMCC/IBM, gohl.sylvie@fr.ibm.com
- * Jacqueline Pira-Ferriol, AMCC/IBM, jpira-ferriol@fr.ibm.com
- * Thierry Roman,           AMCC/IBM, thierry_roman@fr.ibm.com
- * Alain Saurel,            AMCC/IBM, alain.saurel@fr.ibm.com
- * Robert Snyder,           AMCC/IBM, rob.snyder@fr.ibm.com
- *
- * (C) Copyright 2006-2007
- * Stefan Roese, DENX Software Engineering, sr@denx.de.
- *
- * 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
- */
-
-/* define DEBUG for debugging output (obviously ;-)) */
-#if 0
-#define DEBUG
-#endif
-
-#include <common.h>
-#include <asm/processor.h>
-#include <asm/io.h>
-#include <ppc4xx.h>
-
-#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
-/*-----------------------------------------------------------------------------+
- * denali_wait_for_dlllock.
- +----------------------------------------------------------------------------*/
-int denali_wait_for_dlllock(void)
-{
-	u32 val;
-	int wait;
-
-	/* -----------------------------------------------------------+
-	 * Wait for the DCC master delay line to finish calibration
-	 * ----------------------------------------------------------*/
-	for (wait = 0; wait != 0xffff; ++wait) {
-		mfsdram(DDR0_17, val);
-		if (DDR0_17_DLLLOCKREG_DECODE(val)) {
-			/* dlllockreg bit on */
-			return 0;
-		}
-	}
-	debug("0x%04x: DDR0_17 Value (dlllockreg bit): 0x%08x\n", wait, val);
-	debug("Waiting for dlllockreg bit to raise\n");
-	return -1;
-}
-
-#if defined(CONFIG_DDR_DATA_EYE)
-#define DDR_DCR_BASE 0x10
-#define ddrcfga  (DDR_DCR_BASE+0x0)	/* DDR configuration address reg */
-#define ddrcfgd  (DDR_DCR_BASE+0x1)	/* DDR configuration data reg    */
-
-/*-----------------------------------------------------------------------------+
- * wait_for_dram_init_complete.
- +----------------------------------------------------------------------------*/
-static int wait_for_dram_init_complete(void)
-{
-	unsigned long val;
-	int wait = 0;
-
-	/* --------------------------------------------------------------+
-	 * Wait for 'DRAM initialization complete' bit in status register
-	 * -------------------------------------------------------------*/
-	mtdcr(ddrcfga, DDR0_00);
-
-	while (wait != 0xffff) {
-		val = mfdcr(ddrcfgd);
-		if ((val & DDR0_00_INT_STATUS_BIT6) == DDR0_00_INT_STATUS_BIT6)
-			/* 'DRAM initialization complete' bit */
-			return 0;
-		else
-			wait++;
-	}
-	debug("DRAM initialization complete bit in status register did not "
-	      "rise\n");
-	return -1;
-}
-
-#define NUM_TRIES 64
-#define NUM_READS 10
-
-/*-----------------------------------------------------------------------------+
- * denali_core_search_data_eye.
- +----------------------------------------------------------------------------*/
-void denali_core_search_data_eye(void)
-{
-	int k, j;
-	u32 val;
-	u32 wr_dqs_shift, dqs_out_shift, dll_dqs_delay_X;
-	u32 max_passing_cases = 0, wr_dqs_shift_with_max_passing_cases = 0;
-	u32 passing_cases = 0, dll_dqs_delay_X_sw_val = 0;
-	u32 dll_dqs_delay_X_start_window = 0, dll_dqs_delay_X_end_window = 0;
-	volatile u32 *ram_pointer;
-	u32 test[NUM_TRIES] = {
-		0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF,
-		0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF,
-		0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000,
-		0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000,
-		0xAAAAAAAA, 0xAAAAAAAA, 0x55555555, 0x55555555,
-		0xAAAAAAAA, 0xAAAAAAAA, 0x55555555, 0x55555555,
-		0x55555555, 0x55555555, 0xAAAAAAAA, 0xAAAAAAAA,
-		0x55555555, 0x55555555, 0xAAAAAAAA, 0xAAAAAAAA,
-		0xA5A5A5A5, 0xA5A5A5A5, 0x5A5A5A5A, 0x5A5A5A5A,
-		0xA5A5A5A5, 0xA5A5A5A5, 0x5A5A5A5A, 0x5A5A5A5A,
-		0x5A5A5A5A, 0x5A5A5A5A, 0xA5A5A5A5, 0xA5A5A5A5,
-		0x5A5A5A5A, 0x5A5A5A5A, 0xA5A5A5A5, 0xA5A5A5A5,
-		0xAA55AA55, 0xAA55AA55, 0x55AA55AA, 0x55AA55AA,
-		0xAA55AA55, 0xAA55AA55, 0x55AA55AA, 0x55AA55AA,
-		0x55AA55AA, 0x55AA55AA, 0xAA55AA55, 0xAA55AA55,
-		0x55AA55AA, 0x55AA55AA, 0xAA55AA55, 0xAA55AA55
-	};
-
-	ram_pointer = (volatile u32 *)(CONFIG_SYS_SDRAM_BASE);
-
-	for (wr_dqs_shift = 64; wr_dqs_shift < 96; wr_dqs_shift++) {
-		/* for (wr_dqs_shift=1; wr_dqs_shift<96; wr_dqs_shift++) { */
-
-		/* -----------------------------------------------------------+
-		 * De-assert 'start' parameter.
-		 * ----------------------------------------------------------*/
-		mtdcr(ddrcfga, DDR0_02);
-		val = (mfdcr(ddrcfgd) & ~DDR0_02_START_MASK) |
-		    DDR0_02_START_OFF;
-		mtdcr(ddrcfgd, val);
-
-		/* -----------------------------------------------------------+
-		 * Set 'wr_dqs_shift'
-		 * ----------------------------------------------------------*/
-		mtdcr(ddrcfga, DDR0_09);
-		val = (mfdcr(ddrcfgd) & ~DDR0_09_WR_DQS_SHIFT_MASK) |
-		    DDR0_09_WR_DQS_SHIFT_ENCODE(wr_dqs_shift);
-		mtdcr(ddrcfgd, val);
-
-		/* -----------------------------------------------------------+
-		 * Set 'dqs_out_shift' = wr_dqs_shift + 32
-		 * ----------------------------------------------------------*/
-		dqs_out_shift = wr_dqs_shift + 32;
-		mtdcr(ddrcfga, DDR0_22);
-		val = (mfdcr(ddrcfgd) & ~DDR0_22_DQS_OUT_SHIFT_MASK) |
-		    DDR0_22_DQS_OUT_SHIFT_ENCODE(dqs_out_shift);
-		mtdcr(ddrcfgd, val);
-
-		passing_cases = 0;
-
-		for (dll_dqs_delay_X = 1; dll_dqs_delay_X < 64;
-		     dll_dqs_delay_X++) {
-			/* for (dll_dqs_delay_X=1; dll_dqs_delay_X<128;
-			   dll_dqs_delay_X++) { */
-			/* -----------------------------------------------------------+
-			 * Set 'dll_dqs_delay_X'.
-			 * ----------------------------------------------------------*/
-			/* dll_dqs_delay_0 */
-			mtdcr(ddrcfga, DDR0_17);
-			val = (mfdcr(ddrcfgd) & ~DDR0_17_DLL_DQS_DELAY_0_MASK)
-			    | DDR0_17_DLL_DQS_DELAY_0_ENCODE(dll_dqs_delay_X);
-			mtdcr(ddrcfgd, val);
-			/* dll_dqs_delay_1 to dll_dqs_delay_4 */
-			mtdcr(ddrcfga, DDR0_18);
-			val = (mfdcr(ddrcfgd) & ~DDR0_18_DLL_DQS_DELAY_X_MASK)
-			    | DDR0_18_DLL_DQS_DELAY_4_ENCODE(dll_dqs_delay_X)
-			    | DDR0_18_DLL_DQS_DELAY_3_ENCODE(dll_dqs_delay_X)
-			    | DDR0_18_DLL_DQS_DELAY_2_ENCODE(dll_dqs_delay_X)
-			    | DDR0_18_DLL_DQS_DELAY_1_ENCODE(dll_dqs_delay_X);
-			mtdcr(ddrcfgd, val);
-			/* dll_dqs_delay_5 to dll_dqs_delay_8 */
-			mtdcr(ddrcfga, DDR0_19);
-			val = (mfdcr(ddrcfgd) & ~DDR0_19_DLL_DQS_DELAY_X_MASK)
-			    | DDR0_19_DLL_DQS_DELAY_8_ENCODE(dll_dqs_delay_X)
-			    | DDR0_19_DLL_DQS_DELAY_7_ENCODE(dll_dqs_delay_X)
-			    | DDR0_19_DLL_DQS_DELAY_6_ENCODE(dll_dqs_delay_X)
-			    | DDR0_19_DLL_DQS_DELAY_5_ENCODE(dll_dqs_delay_X);
-			mtdcr(ddrcfgd, val);
-			/* clear any ECC errors */
-			mtdcr(ddrcfga, DDR0_00);
-			mtdcr(ddrcfgd,
-			      mfdcr(ddrcfgd) | DDR0_00_INT_ACK_ENCODE(0x3C));
-
-			sync();
-			eieio();
-
-			/* -----------------------------------------------------------+
-			 * Assert 'start' parameter.
-			 * ----------------------------------------------------------*/
-			mtdcr(ddrcfga, DDR0_02);
-			val = (mfdcr(ddrcfgd) & ~DDR0_02_START_MASK) |
-			    DDR0_02_START_ON;
-			mtdcr(ddrcfgd, val);
-
-			sync();
-			eieio();
-
-			/* -----------------------------------------------------------+
-			 * Wait for the DCC master delay line to finish calibration
-			 * ----------------------------------------------------------*/
-			if (denali_wait_for_dlllock() != 0) {
-				printf("dll lock did not occur !!!\n");
-				printf("denali_core_search_data_eye!!!\n");
-				printf("wr_dqs_shift = %d - dll_dqs_delay_X = "
-				       "%d\n", wr_dqs_shift, dll_dqs_delay_X);
-				hang();
-			}
-			sync();
-			eieio();
-
-			if (wait_for_dram_init_complete() != 0) {
-				printf("dram init complete did not occur!!!\n");
-				printf("denali_core_search_data_eye!!!\n");
-				printf("wr_dqs_shift = %d - dll_dqs_delay_X = "
-				       "%d\n", wr_dqs_shift, dll_dqs_delay_X);
-				hang();
-			}
-			udelay(100); /* wait 100us to ensure init is really completed !!! */
-
-			/* write values */
-			for (j = 0; j < NUM_TRIES; j++) {
-				ram_pointer[j] = test[j];
-
-				/* clear any cache at ram location */
-			      __asm__("dcbf 0,%0": :"r"(&ram_pointer[j]));
-			}
-
-			/* read values back */
-			for (j = 0; j < NUM_TRIES; j++) {
-				for (k = 0; k < NUM_READS; k++) {
-					/* clear any cache at ram location */
-				      __asm__("dcbf 0,%0": :"r"(&ram_pointer
-					    [j]));
-
-					if (ram_pointer[j] != test[j])
-						break;
-				}
-
-				/* read error */
-				if (k != NUM_READS)
-					break;
-			}
-
-			/* See if the dll_dqs_delay_X value passed. */
-			mtdcr(ddrcfga, DDR0_00);
-			if (j < NUM_TRIES
-			    || (DDR0_00_INT_STATUS_DECODE(mfdcr(ddrcfgd)) &
-				0x3F)) {
-				/* Failed */
-				passing_cases = 0;
-				/* break; */
-			} else {
-				/* Passed */
-				if (passing_cases == 0)
-					dll_dqs_delay_X_sw_val =
-					    dll_dqs_delay_X;
-				passing_cases++;
-				if (passing_cases >= max_passing_cases) {
-					max_passing_cases = passing_cases;
-					wr_dqs_shift_with_max_passing_cases =
-					    wr_dqs_shift;
-					dll_dqs_delay_X_start_window =
-					    dll_dqs_delay_X_sw_val;
-					dll_dqs_delay_X_end_window =
-					    dll_dqs_delay_X;
-				}
-			}
-
-			/* -----------------------------------------------------------+
-			 * De-assert 'start' parameter.
-			 * ----------------------------------------------------------*/
-			mtdcr(ddrcfga, DDR0_02);
-			val = (mfdcr(ddrcfgd) & ~DDR0_02_START_MASK) |
-			    DDR0_02_START_OFF;
-			mtdcr(ddrcfgd, val);
-		} /* for (dll_dqs_delay_X=0; dll_dqs_delay_X<128; dll_dqs_delay_X++) */
-	} /* for (wr_dqs_shift=0; wr_dqs_shift<96; wr_dqs_shift++) */
-
-	/* -----------------------------------------------------------+
-	 * Largest passing window is now detected.
-	 * ----------------------------------------------------------*/
-
-	/* Compute dll_dqs_delay_X value */
-	dll_dqs_delay_X = (dll_dqs_delay_X_end_window +
-			   dll_dqs_delay_X_start_window) / 2;
-	wr_dqs_shift = wr_dqs_shift_with_max_passing_cases;
-
-	debug("DQS calibration - Window detected:\n");
-	debug("max_passing_cases = %d\n", max_passing_cases);
-	debug("wr_dqs_shift      = %d\n", wr_dqs_shift);
-	debug("dll_dqs_delay_X   = %d\n", dll_dqs_delay_X);
-	debug("dll_dqs_delay_X window = %d - %d\n",
-	      dll_dqs_delay_X_start_window, dll_dqs_delay_X_end_window);
-
-	/* -----------------------------------------------------------+
-	 * De-assert 'start' parameter.
-	 * ----------------------------------------------------------*/
-	mtdcr(ddrcfga, DDR0_02);
-	val = (mfdcr(ddrcfgd) & ~DDR0_02_START_MASK) | DDR0_02_START_OFF;
-	mtdcr(ddrcfgd, val);
-
-	/* -----------------------------------------------------------+
-	 * Set 'wr_dqs_shift'
-	 * ----------------------------------------------------------*/
-	mtdcr(ddrcfga, DDR0_09);
-	val = (mfdcr(ddrcfgd) & ~DDR0_09_WR_DQS_SHIFT_MASK)
-	    | DDR0_09_WR_DQS_SHIFT_ENCODE(wr_dqs_shift);
-	mtdcr(ddrcfgd, val);
-	debug("DDR0_09=0x%08lx\n", val);
-
-	/* -----------------------------------------------------------+
-	 * Set 'dqs_out_shift' = wr_dqs_shift + 32
-	 * ----------------------------------------------------------*/
-	dqs_out_shift = wr_dqs_shift + 32;
-	mtdcr(ddrcfga, DDR0_22);
-	val = (mfdcr(ddrcfgd) & ~DDR0_22_DQS_OUT_SHIFT_MASK)
-	    | DDR0_22_DQS_OUT_SHIFT_ENCODE(dqs_out_shift);
-	mtdcr(ddrcfgd, val);
-	debug("DDR0_22=0x%08lx\n", val);
-
-	/* -----------------------------------------------------------+
-	 * Set 'dll_dqs_delay_X'.
-	 * ----------------------------------------------------------*/
-	/* dll_dqs_delay_0 */
-	mtdcr(ddrcfga, DDR0_17);
-	val = (mfdcr(ddrcfgd) & ~DDR0_17_DLL_DQS_DELAY_0_MASK)
-	    | DDR0_17_DLL_DQS_DELAY_0_ENCODE(dll_dqs_delay_X);
-	mtdcr(ddrcfgd, val);
-	debug("DDR0_17=0x%08lx\n", val);
-
-	/* dll_dqs_delay_1 to dll_dqs_delay_4 */
-	mtdcr(ddrcfga, DDR0_18);
-	val = (mfdcr(ddrcfgd) & ~DDR0_18_DLL_DQS_DELAY_X_MASK)
-	    | DDR0_18_DLL_DQS_DELAY_4_ENCODE(dll_dqs_delay_X)
-	    | DDR0_18_DLL_DQS_DELAY_3_ENCODE(dll_dqs_delay_X)
-	    | DDR0_18_DLL_DQS_DELAY_2_ENCODE(dll_dqs_delay_X)
-	    | DDR0_18_DLL_DQS_DELAY_1_ENCODE(dll_dqs_delay_X);
-	mtdcr(ddrcfgd, val);
-	debug("DDR0_18=0x%08lx\n", val);
-
-	/* dll_dqs_delay_5 to dll_dqs_delay_8 */
-	mtdcr(ddrcfga, DDR0_19);
-	val = (mfdcr(ddrcfgd) & ~DDR0_19_DLL_DQS_DELAY_X_MASK)
-	    | DDR0_19_DLL_DQS_DELAY_8_ENCODE(dll_dqs_delay_X)
-	    | DDR0_19_DLL_DQS_DELAY_7_ENCODE(dll_dqs_delay_X)
-	    | DDR0_19_DLL_DQS_DELAY_6_ENCODE(dll_dqs_delay_X)
-	    | DDR0_19_DLL_DQS_DELAY_5_ENCODE(dll_dqs_delay_X);
-	mtdcr(ddrcfgd, val);
-	debug("DDR0_19=0x%08lx\n", val);
-
-	/* -----------------------------------------------------------+
-	 * Assert 'start' parameter.
-	 * ----------------------------------------------------------*/
-	mtdcr(ddrcfga, DDR0_02);
-	val = (mfdcr(ddrcfgd) & ~DDR0_02_START_MASK) | DDR0_02_START_ON;
-	mtdcr(ddrcfgd, val);
-
-	sync();
-	eieio();
-
-	/* -----------------------------------------------------------+
-	 * Wait for the DCC master delay line to finish calibration
-	 * ----------------------------------------------------------*/
-	if (denali_wait_for_dlllock() != 0) {
-		printf("dll lock did not occur !!!\n");
-		hang();
-	}
-	sync();
-	eieio();
-
-	if (wait_for_dram_init_complete() != 0) {
-		printf("dram init complete did not occur !!!\n");
-		hang();
-	}
-	udelay(100); /* wait 100us to ensure init is really completed !!! */
-}
-#endif /* defined(CONFIG_DDR_DATA_EYE) */
-#endif /* defined(CONFIG_440EPX) || defined(CONFIG_440GRX) */