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

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

1 files changed, 0 insertions, 412 deletions

diff --git a/cpu/mpc5xx/spi.c b/cpu/mpc5xx/spi.c
deleted file mode 100644
index 3ca15ea..0000000
--- a/cpu/mpc5xx/spi.c
+++ /dev/null
@@ -1,412 +0,0 @@
-/*
- * Copyright (c) 2001 Navin Boppuri / Prashant Patel
- *	<nboppuri@trinetcommunication.com>,
- *	<pmpatel@trinetcommunication.com>
- * Copyright (c) 2001 Gerd Mennchen <Gerd.Mennchen@icn.siemens.de>
- * Copyright (c) 2001 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
- */
-
-/*
- * MPC5xx CPM SPI interface.
- *
- * Parts of this code are probably not portable and/or specific to
- * the board which I used for the tests. Please send fixes/complaints
- * to wd@denx.de
- *
- * Ported to MPC5xx
- * Copyright (c) 2003 Denis Peter, MPL AG Switzerland, d.petr@mpl.ch.
- */
-
-#include <common.h>
-#include <mpc5xx.h>
-#include <asm/5xx_immap.h>
-#include <linux/ctype.h>
-#include <malloc.h>
-#include <post.h>
-#include <net.h>
-
-#if defined(CONFIG_SPI)
-
-#undef	DEBUG
-
-#define SPI_EEPROM_WREN		0x06
-#define SPI_EEPROM_RDSR		0x05
-#define SPI_EEPROM_READ		0x03
-#define SPI_EEPROM_WRITE	0x02
-
-
-#ifdef	DEBUG
-
-#define	DPRINT(a)	printf a;
-/* -----------------------------------------------
- * Helper functions to peek into tx and rx buffers
- * ----------------------------------------------- */
-static const char * const hex_digit = "0123456789ABCDEF";
-
-static char quickhex (int i)
-{
-	return hex_digit[i];
-}
-
-static void memdump (void *pv, int num)
-{
-	int i;
-	unsigned char *pc = (unsigned char *) pv;
-
-	for (i = 0; i < num; i++)
-		printf ("%c%c ", quickhex (pc[i] >> 4), quickhex (pc[i] & 0x0f));
-	printf ("\t");
-	for (i = 0; i < num; i++)
-		printf ("%c", isprint (pc[i]) ? pc[i] : '.');
-	printf ("\n");
-}
-#else	/* !DEBUG */
-
-#define	DPRINT(a)
-
-#endif	/* DEBUG */
-
-/* -------------------
- * Function prototypes
- * ------------------- */
-void spi_init (void);
-
-ssize_t spi_read (uchar *, int, uchar *, int);
-ssize_t spi_write (uchar *, int, uchar *, int);
-ssize_t spi_xfer (size_t);
-
-
-/* **************************************************************************
- *
- *  Function:    spi_init_f
- *
- *  Description: Init SPI-Controller (ROM part)
- *
- *  return:      ---
- *
- * *********************************************************************** */
-
-void spi_init_f (void)
-{
-	int i;
-
-	volatile immap_t *immr;
-	volatile qsmcm5xx_t *qsmcm;
-
-	immr = (immap_t *)  CONFIG_SYS_IMMR;
-	qsmcm = (qsmcm5xx_t *)&immr->im_qsmcm;
-
-	qsmcm->qsmcm_qsmcr = 0; /* all accesses enabled */
-	qsmcm->qsmcm_qspi_il = 0; /* lowest IRQ */
-
-	/* --------------------------------------------
-	 * GPIO or per. Function
-	 * PQSPAR[00] = 0 reserved
-	 * PQSPAR[01] = 1 [0x4000] -> PERI: (SPICS3)
-	 * PQSPAR[02] = 0 [0x0000] -> GPIO
-	 * PQSPAR[03] = 0 [0x0000] -> GPIO
-	 * PQSPAR[04] = 1 [0x0800] -> PERI: (SPICS0)
-	 * PQSPAR[05] = 0 reseved
-	 * PQSPAR[06] = 1 [0x0200] -> PERI: (SPIMOSI)
-	 * PQSPAR[07] = 1 [0x0100] -> PERI: (SPIMISO)
-	 * -------------------------------------------- */
-	qsmcm->qsmcm_pqspar =  0x3 | (CONFIG_SYS_SPI_CS_USED << 3);
-
-	 /* --------------------------------------------
-	 * DDRQS[00] = 0 reserved
-	 * DDRQS[01] = 1 [0x0040] -> SPICS3 Output
-	 * DDRQS[02] = 0 [0x0000] -> GPIO Output
-	 * DDRQS[03] = 0 [0x0000] -> GPIO Output
-	 * DDRQS[04] = 1 [0x0008] -> SPICS0 Output
-	 * DDRQS[05] = 1 [0x0004] -> SPICLK Output
-	 * DDRQS[06] = 1 [0x0002] -> SPIMOSI Output
-	 * DDRQS[07] = 0 [0x0001] -> SPIMISO Input
-	 * -------------------------------------------- */
-	qsmcm->qsmcm_ddrqs = 0x7E;
-	 /* --------------------------------------------
-	 * Base state for used SPI CS pins, if base = 0 active must be 1
-	 * PORTQS[00] = 0 reserved
-	 * PORTQS[01] = 0 reserved
-	 * PORTQS[02] = 0 reserved
-	 * PORTQS[03] = 0 reserved
-	 * PORTQS[04] = 0 [0x0000] RxD2
-	 * PORTQS[05] = 1 [0x0400] TxD2
-	 * PORTQS[06] = 0 [0x0000] RxD1
-	 * PORTQS[07] = 1 [0x0100] TxD1
-	 * PORTQS[08] = 0 reserved
-	 * PORTQS[09] = 0 [0x0000] -> SPICS3 Base Output
-	 * PORTQS[10] = 0 [0x0000] -> SPICS2 Base Output
-	 * PORTQS[11] = 0 [0x0000] -> SPICS1 Base Output
-	 * PORTQS[12] = 0 [0x0000] -> SPICS0 Base Output
-	 * PORTQS[13] = 0 [0x0004] -> SPICLK Output
-	 * PORTQS[14] = 0 [0x0002] -> SPIMOSI Output
-	 * PORTQS[15] = 0 [0x0001] -> SPIMISO Input
-	 * -------------------------------------------- */
-	qsmcm->qsmcm_portqs |= (CONFIG_SYS_SPI_CS_BASE << 3);
-	/* --------------------------------------------
-	 * Controll Register 0
-	 * SPCR0[00] = 1 (0x8000) Master
-	 * SPCR0[01] = 0 (0x0000) Wired-Or
-	 * SPCR0[2..5] = (0x2000) Bits per transfer (default 8)
-	 * SPCR0[06] = 0 (0x0000) Normal polarity
-	 * SPCR0[07] = 0 (0x0000) Normal Clock Phase
-	 * SPCR0[08..15] = 14 1.4MHz
-	 */
-	qsmcm->qsmcm_spcr0=0xA00E;
-	/* --------------------------------------------
-	 * Controll Register 1
-	 * SPCR1[00] = 0 (0x0000) QSPI enabled
-	 * SPCR1[1..7] =  (0x7F00) Delay before Transfer
-	 * SPCR1[8..15] = (0x0000) Delay After transfer (204.8usec@40MHz)
-	 */
-	qsmcm->qsmcm_spcr1=0x7F00;
-	/* --------------------------------------------
-	 * Controll Register 2
-	 * SPCR2[00] = 0 (0x0000) SPI IRQs Disabeld
-	 * SPCR2[01] = 0 (0x0000) No Wrap around
-	 * SPCR2[02] = 0 (0x0000) Wrap to 0
-	 * SPCR2[3..7] = (0x0000) End Queue pointer = 0
-	 * SPCR2[8..10] = 0 (0x0000) reserved
-	 * SPCR2[11..15] = 0 (0x0000) NewQueue Address = 0
-	 */
-	qsmcm->qsmcm_spcr2=0x0000;
-	/* --------------------------------------------
-	 * Controll Register 3
-	 * SPCR3[00..04] = 0 (0x0000) reserved
-	 * SPCR3[05] = 0 (0x0000) Feedback disabled
-	 * SPCR3[06] = 0 (0x0000) IRQ on HALTA & MODF disabled
-	 * SPCR3[07] = 0 (0x0000) Not halted
-	 */
-	qsmcm->qsmcm_spcr3=0x00;
-	/* --------------------------------------------
-	 * SPSR (Controll Register 3) Read only/ reset Flags 08,09,10
-	 * SPCR3[08] = 1 (0x80) QSPI finished
-	 * SPCR3[09] = 1 (0x40) Mode Fault Flag
-	 * SPCR3[10] = 1 (0x20) HALTA
-	 * SPCR3[11..15] = 0 (0x0000) Last executed command
-	 */
-	qsmcm->qsmcm_spsr=0xE0;
-	/*-------------------------------------------
-	 * Setup RAM
-	 */
-	for(i=0;i<32;i++) {
-		 qsmcm->qsmcm_recram[i]=0x0000;
-		 qsmcm->qsmcm_tranram[i]=0x0000;
-		 qsmcm->qsmcm_comdram[i]=0x00;
-	}
-	return;
-}
-
-/* **************************************************************************
- *
- *  Function:    spi_init_r
- *  Dummy, all initializations have been done in spi_init_r
- * *********************************************************************** */
-void spi_init_r (void)
-{
-	return;
-
-}
-
-/****************************************************************************
- *  Function:    spi_write
- **************************************************************************** */
-ssize_t short_spi_write (uchar *addr, int alen, uchar *buffer, int len)
-{
-	int i,dlen;
-	volatile immap_t *immr;
-	volatile qsmcm5xx_t *qsmcm;
-
-	immr = (immap_t *)  CONFIG_SYS_IMMR;
-	qsmcm = (qsmcm5xx_t *)&immr->im_qsmcm;
-	for(i=0;i<32;i++) {
-		 qsmcm->qsmcm_recram[i]=0x0000;
-		 qsmcm->qsmcm_tranram[i]=0x0000;
-		 qsmcm->qsmcm_comdram[i]=0x00;
-	}
-	qsmcm->qsmcm_tranram[0] =  SPI_EEPROM_WREN; /* write enable */
-	spi_xfer(1);
-	i=0;
-	qsmcm->qsmcm_tranram[i++] =  SPI_EEPROM_WRITE; /* WRITE memory array */
-	qsmcm->qsmcm_tranram[i++] =  addr[0];
-	qsmcm->qsmcm_tranram[i++] =  addr[1];
-
-	for(dlen=0;dlen<len;dlen++) {
-		qsmcm->qsmcm_tranram[i+dlen] = buffer[dlen]; /* WRITE memory array */
-	}
-	/* transmit it */
-	spi_xfer(i+dlen);
-	/* ignore received data	*/
-	for (i = 0; i < 1000; i++) {
-		qsmcm->qsmcm_tranram[0] =  SPI_EEPROM_RDSR; /* read status */
-		qsmcm->qsmcm_tranram[1] = 0;
-		spi_xfer(2);
-		if (!(qsmcm->qsmcm_recram[1] & 1)) {
-			break;
-		}
-		udelay(1000);
-	}
-	if (i >= 1000) {
-		printf ("*** spi_write: Time out while writing!\n");
-	}
-	return len;
-}
-
-#define TRANSFER_LEN 16
-
-ssize_t spi_write (uchar *addr, int alen, uchar *buffer, int len)
-{
-	int index,i,newlen;
-	uchar newaddr[2];
-	int curraddr;
-
-	curraddr=(addr[alen-2]<<8)+addr[alen-1];
-	i=len;
-	index=0;
-	do {
-		newaddr[1]=(curraddr & 0xff);
-		newaddr[0]=((curraddr>>8) & 0xff);
-		if(i>TRANSFER_LEN) {
-			newlen=TRANSFER_LEN;
-			i-=TRANSFER_LEN;
-		}
-		else {
-			newlen=i;
-			i=0;
-		}
-		short_spi_write (newaddr, 2, &buffer[index], newlen);
-		index+=newlen;
-		curraddr+=newlen;
-	}while(i);
-	return (len);
-}
-
-/****************************************************************************
- *  Function:    spi_read
- **************************************************************************** */
-ssize_t short_spi_read (uchar *addr, int alen, uchar *buffer, int len)
-{
-	int i;
-	volatile immap_t *immr;
-	volatile qsmcm5xx_t *qsmcm;
-
-	immr = (immap_t *)  CONFIG_SYS_IMMR;
-	qsmcm = (qsmcm5xx_t *)&immr->im_qsmcm;
-
-	for(i=0;i<32;i++) {
-		 qsmcm->qsmcm_recram[i]=0x0000;
-		 qsmcm->qsmcm_tranram[i]=0x0000;
-		 qsmcm->qsmcm_comdram[i]=0x00;
-	}
-	i=0;
-	qsmcm->qsmcm_tranram[i++] = (SPI_EEPROM_READ); /* READ memory array */
-	qsmcm->qsmcm_tranram[i++] = addr[0] & 0xff;
-	qsmcm->qsmcm_tranram[i++] = addr[1] & 0xff;
-	spi_xfer(3 + len);
-	for(i=0;i<len;i++) {
-		*buffer++=(char)qsmcm->qsmcm_recram[i+3];
-	}
-	return len;
-}
-
-ssize_t spi_read (uchar *addr, int alen, uchar *buffer, int len)
-{
-	int index,i,newlen;
-	uchar newaddr[2];
-	int curraddr;
-
-	curraddr=(addr[alen-2]<<8)+addr[alen-1];
-	i=len;
-	index=0;
-	do {
-		newaddr[1]=(curraddr & 0xff);
-		newaddr[0]=((curraddr>>8) & 0xff);
-		if(i>TRANSFER_LEN) {
-			newlen=TRANSFER_LEN;
-			i-=TRANSFER_LEN;
-		}
-		else {
-			newlen=i;
-			i=0;
-		}
-		short_spi_read (newaddr, 2, &buffer[index], newlen);
-		index+=newlen;
-		curraddr+=newlen;
-	}while(i);
-	return (len);
-}
-
-/****************************************************************************
- *  Function:    spi_xfer
- **************************************************************************** */
-ssize_t spi_xfer (size_t count)
-{
-	volatile immap_t *immr;
-	volatile qsmcm5xx_t *qsmcm;
-	int i;
-	int tm;
-	ushort status;
-	immr = (immap_t *)  CONFIG_SYS_IMMR;
-	qsmcm = (qsmcm5xx_t *)&immr->im_qsmcm;
-	DPRINT (("*** spi_xfer entered count %d***\n",count));
-
-	/* Set CS for device */
-	for(i=0;i<(count-1);i++)
-		qsmcm->qsmcm_comdram[i] = 0x80 | CONFIG_SYS_SPI_CS_ACT;  /* CS3 is connected to the SPI EEPROM */
-
-	qsmcm->qsmcm_comdram[i] = CONFIG_SYS_SPI_CS_ACT; /* CS3 is connected to the SPI EEPROM */
-	qsmcm->qsmcm_spcr2=((count-1)&0x1F)<<8;
-
-	DPRINT (("*** spi_xfer: Bytes to be xferred: %d ***\n", count));
-
-	qsmcm->qsmcm_spsr=0xE0; /* clear all flags */
-
-	/* start spi transfer */
-	DPRINT (("*** spi_xfer: Performing transfer ...\n"));
-	qsmcm->qsmcm_spcr1 |= 0x8000;		/* Start transmit */
-
-	/* --------------------------------
-	 * Wait for SPI transmit to get out
-	 * or time out (1 second = 1000 ms)
-	 * -------------------------------- */
-	for (tm=0; tm<1000; ++tm) {
-		status=qsmcm->qsmcm_spcr1;
-		if((status & 0x8000)==0)
-			break;
-		udelay (1000);
-	}
-	if (tm >= 1000) {
-		printf ("*** spi_xfer: Time out while xferring to/from SPI!\n");
-	}
-#ifdef	DEBUG
-	printf ("\nspi_xfer: txbuf after xfer\n");
-	memdump ((void *) qsmcm->qsmcm_tranram, 32);	/* dump of txbuf before transmit */
-	printf ("spi_xfer: rxbuf after xfer\n");
-	memdump ((void *) qsmcm->qsmcm_recram, 32);	/* dump of rxbuf after transmit */
-	printf ("\nspi_xfer: commbuf after xfer\n");
-	memdump ((void *) qsmcm->qsmcm_comdram, 32);	/* dump of txbuf before transmit */
-	printf ("\n");
-#endif
-
-	return count;
-}
-
-#endif	/* CONFIG_SPI  */