1 files changed, 0 insertions, 498 deletions

diff --git a/arch/ppc/cpu/mpc8260/serial_scc.c b/arch/ppc/cpu/mpc8260/serial_scc.c
deleted file mode 100644
index 4ab6a28..0000000
--- a/arch/ppc/cpu/mpc8260/serial_scc.c
+++ /dev/null
@@ -1,498 +0,0 @@
-/*
- * (C) Copyright 2000
- * 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
- *
- * Hacked for MPC8260 by Murray.Jensen@cmst.csiro.au, 19-Oct-00.
- */
-
-/*
- * Minimal serial functions needed to use one of the SCC ports
- * as serial console interface.
- */
-
-#include <common.h>
-#include <mpc8260.h>
-#include <asm/cpm_8260.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#if defined(CONFIG_CONS_ON_SCC)
-
-#if CONFIG_CONS_INDEX == 1	/* Console on SCC1 */
-
-#define SCC_INDEX		0
-#define PROFF_SCC		PROFF_SCC1
-#define CMXSCR_MASK		(CMXSCR_GR1|CMXSCR_SC1|\
-					CMXSCR_RS1CS_MSK|CMXSCR_TS1CS_MSK)
-#define CMXSCR_VALUE		(CMXSCR_RS1CS_BRG1|CMXSCR_TS1CS_BRG1)
-#define CPM_CR_SCC_PAGE		CPM_CR_SCC1_PAGE
-#define CPM_CR_SCC_SBLOCK	CPM_CR_SCC1_SBLOCK
-
-#elif CONFIG_CONS_INDEX == 2	/* Console on SCC2 */
-
-#define SCC_INDEX		1
-#define PROFF_SCC		PROFF_SCC2
-#define CMXSCR_MASK		(CMXSCR_GR2|CMXSCR_SC2|\
-					CMXSCR_RS2CS_MSK|CMXSCR_TS2CS_MSK)
-#define CMXSCR_VALUE		(CMXSCR_RS2CS_BRG2|CMXSCR_TS2CS_BRG2)
-#define CPM_CR_SCC_PAGE		CPM_CR_SCC2_PAGE
-#define CPM_CR_SCC_SBLOCK	CPM_CR_SCC2_SBLOCK
-
-#elif CONFIG_CONS_INDEX == 3	/* Console on SCC3 */
-
-#define SCC_INDEX		2
-#define PROFF_SCC		PROFF_SCC3
-#define CMXSCR_MASK		(CMXSCR_GR3|CMXSCR_SC3|\
-					CMXSCR_RS3CS_MSK|CMXSCR_TS3CS_MSK)
-#define CMXSCR_VALUE		(CMXSCR_RS3CS_BRG3|CMXSCR_TS3CS_BRG3)
-#define CPM_CR_SCC_PAGE		CPM_CR_SCC3_PAGE
-#define CPM_CR_SCC_SBLOCK	CPM_CR_SCC3_SBLOCK
-
-#elif CONFIG_CONS_INDEX == 4	/* Console on SCC4 */
-
-#define SCC_INDEX		3
-#define PROFF_SCC		PROFF_SCC4
-#define CMXSCR_MASK		(CMXSCR_GR4|CMXSCR_SC4|\
-					CMXSCR_RS4CS_MSK|CMXSCR_TS4CS_MSK)
-#define CMXSCR_VALUE		(CMXSCR_RS4CS_BRG4|CMXSCR_TS4CS_BRG4)
-#define CPM_CR_SCC_PAGE		CPM_CR_SCC4_PAGE
-#define CPM_CR_SCC_SBLOCK	CPM_CR_SCC4_SBLOCK
-
-#else
-
-#error "console not correctly defined"
-
-#endif
-
-int serial_init (void)
-{
-	volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
-	volatile scc_t *sp;
-	volatile scc_uart_t *up;
-	volatile cbd_t *tbdf, *rbdf;
-	volatile cpm8260_t *cp = &(im->im_cpm);
-	uint	dpaddr;
-
-	/* initialize pointers to SCC */
-
-	sp = (scc_t *) &(im->im_scc[SCC_INDEX]);
-	up = (scc_uart_t *)&im->im_dprambase[PROFF_SCC];
-
-	/* Disable transmitter/receiver.
-	*/
-	sp->scc_gsmrl &= ~(SCC_GSMRL_ENR | SCC_GSMRL_ENT);
-
-	/* put the SCC channel into NMSI (non multiplexd serial interface)
-	 * mode and wire the selected SCC Tx and Rx clocks to BRGx (15-15).
-	 */
-	im->im_cpmux.cmx_scr = (im->im_cpmux.cmx_scr&~CMXSCR_MASK)|CMXSCR_VALUE;
-
-	/* Set up the baud rate generator.
-	*/
-	serial_setbrg ();
-
-	/* Allocate space for two buffer descriptors in the DP ram.
-	 * damm: allocating space after the two buffers for rx/tx data
-	 */
-
-	dpaddr = m8260_cpm_dpalloc((2 * sizeof (cbd_t)) + 2, 16);
-
-	/* Set the physical address of the host memory buffers in
-	 * the buffer descriptors.
-	 */
-	rbdf = (cbd_t *)&im->im_dprambase[dpaddr];
-	rbdf->cbd_bufaddr = (uint) (rbdf+2);
-	rbdf->cbd_sc = BD_SC_EMPTY | BD_SC_WRAP;
-	tbdf = rbdf + 1;
-	tbdf->cbd_bufaddr = ((uint) (rbdf+2)) + 1;
-	tbdf->cbd_sc = BD_SC_WRAP;
-
-	/* Set up the uart parameters in the parameter ram.
-	*/
-	up->scc_genscc.scc_rbase = dpaddr;
-	up->scc_genscc.scc_tbase = dpaddr+sizeof(cbd_t);
-	up->scc_genscc.scc_rfcr = CPMFCR_EB;
-	up->scc_genscc.scc_tfcr = CPMFCR_EB;
-	up->scc_genscc.scc_mrblr = 1;
-	up->scc_maxidl = 0;
-	up->scc_brkcr = 1;
-	up->scc_parec = 0;
-	up->scc_frmec = 0;
-	up->scc_nosec = 0;
-	up->scc_brkec = 0;
-	up->scc_uaddr1 = 0;
-	up->scc_uaddr2 = 0;
-	up->scc_toseq = 0;
-	up->scc_char1 = up->scc_char2 = up->scc_char3 = up->scc_char4 = 0x8000;
-	up->scc_char5 = up->scc_char6 = up->scc_char7 = up->scc_char8 = 0x8000;
-	up->scc_rccm = 0xc0ff;
-
-	/* Mask all interrupts and remove anything pending.
-	*/
-	sp->scc_sccm = 0;
-	sp->scc_scce = 0xffff;
-
-	/* Set 8 bit FIFO, 16 bit oversampling and UART mode.
-	*/
-	sp->scc_gsmrh = SCC_GSMRH_RFW;	/* 8 bit FIFO */
-	sp->scc_gsmrl = \
-		SCC_GSMRL_TDCR_16 | SCC_GSMRL_RDCR_16 | SCC_GSMRL_MODE_UART;
-
-	/* Set CTS flow control, 1 stop bit, 8 bit character length,
-	 * normal async UART mode, no parity
-	 */
-	sp->scc_psmr = SCU_PSMR_FLC | SCU_PSMR_CL;
-
-	/* execute the "Init Rx and Tx params" CP command.
-	*/
-
-	while (cp->cp_cpcr & CPM_CR_FLG)  /* wait if cp is busy */
-	  ;
-
-	cp->cp_cpcr = mk_cr_cmd(CPM_CR_SCC_PAGE, CPM_CR_SCC_SBLOCK,
-					0, CPM_CR_INIT_TRX) | CPM_CR_FLG;
-
-	while (cp->cp_cpcr & CPM_CR_FLG)  /* wait if cp is busy */
-	  ;
-
-	/* Enable transmitter/receiver.
-	*/
-	sp->scc_gsmrl |= SCC_GSMRL_ENR | SCC_GSMRL_ENT;
-
-	return (0);
-}
-
-void
-serial_setbrg (void)
-{
-#if defined(CONFIG_CONS_USE_EXTC)
-	m8260_cpm_extcbrg(SCC_INDEX, gd->baudrate,
-		CONFIG_CONS_EXTC_RATE, CONFIG_CONS_EXTC_PINSEL);
-#else
-	m8260_cpm_setbrg(SCC_INDEX, gd->baudrate);
-#endif
-}
-
-void
-serial_putc(const char c)
-{
-	volatile scc_uart_t	*up;
-	volatile cbd_t		*tbdf;
-	volatile immap_t	*im;
-
-	if (c == '\n')
-		serial_putc ('\r');
-
-	im = (immap_t *)CONFIG_SYS_IMMR;
-	up = (scc_uart_t *)&im->im_dprambase[PROFF_SCC];
-	tbdf = (cbd_t *)&im->im_dprambase[up->scc_genscc.scc_tbase];
-
-	/* Wait for last character to go.
-	 */
-	while (tbdf->cbd_sc & BD_SC_READY)
-		;
-
-	/* Load the character into the transmit buffer.
-	 */
-	*(volatile char *)tbdf->cbd_bufaddr = c;
-	tbdf->cbd_datlen = 1;
-	tbdf->cbd_sc |= BD_SC_READY;
-}
-
-void
-serial_puts (const char *s)
-{
-	while (*s) {
-		serial_putc (*s++);
-	}
-}
-
-int
-serial_getc(void)
-{
-	volatile cbd_t		*rbdf;
-	volatile scc_uart_t	*up;
-	volatile immap_t	*im;
-	unsigned char		c;
-
-	im = (immap_t *)CONFIG_SYS_IMMR;
-	up = (scc_uart_t *)&im->im_dprambase[PROFF_SCC];
-	rbdf = (cbd_t *)&im->im_dprambase[up->scc_genscc.scc_rbase];
-
-	/* Wait for character to show up.
-	 */
-	while (rbdf->cbd_sc & BD_SC_EMPTY)
-		;
-
-	/* Grab the char and clear the buffer again.
-	 */
-	c = *(volatile unsigned char *)rbdf->cbd_bufaddr;
-	rbdf->cbd_sc |= BD_SC_EMPTY;
-
-	return (c);
-}
-
-int
-serial_tstc()
-{
-	volatile cbd_t		*rbdf;
-	volatile scc_uart_t	*up;
-	volatile immap_t	*im;
-
-	im = (immap_t *)CONFIG_SYS_IMMR;
-	up = (scc_uart_t *)&im->im_dprambase[PROFF_SCC];
-	rbdf = (cbd_t *)&im->im_dprambase[up->scc_genscc.scc_rbase];
-
-	return ((rbdf->cbd_sc & BD_SC_EMPTY) == 0);
-}
-
-#endif	/* CONFIG_CONS_ON_SCC */
-
-#if defined(CONFIG_KGDB_ON_SCC)
-
-#if defined(CONFIG_CONS_ON_SCC) && CONFIG_KGDB_INDEX == CONFIG_CONS_INDEX
-#error Whoops! serial console and kgdb are on the same scc serial port
-#endif
-
-#if CONFIG_KGDB_INDEX == 1	/* KGDB Port on SCC1 */
-
-#define KGDB_SCC_INDEX		0
-#define KGDB_PROFF_SCC		PROFF_SCC1
-#define KGDB_CMXSCR_MASK	(CMXSCR_GR1|CMXSCR_SC1|\
-					CMXSCR_RS1CS_MSK|CMXSCR_TS1CS_MSK)
-#define KGDB_CMXSCR_VALUE	(CMXSCR_RS1CS_BRG1|CMXSCR_TS1CS_BRG1)
-#define KGDB_CPM_CR_SCC_PAGE	CPM_CR_SCC1_PAGE
-#define KGDB_CPM_CR_SCC_SBLOCK	CPM_CR_SCC1_SBLOCK
-
-#elif CONFIG_KGDB_INDEX == 2	/* KGDB Port on SCC2 */
-
-#define KGDB_SCC_INDEX		1
-#define KGDB_PROFF_SCC		PROFF_SCC2
-#define KGDB_CMXSCR_MASK	(CMXSCR_GR2|CMXSCR_SC2|\
-					CMXSCR_RS2CS_MSK|CMXSCR_TS2CS_MSK)
-#define KGDB_CMXSCR_VALUE	(CMXSCR_RS2CS_BRG2|CMXSCR_TS2CS_BRG2)
-#define KGDB_CPM_CR_SCC_PAGE	CPM_CR_SCC2_PAGE
-#define KGDB_CPM_CR_SCC_SBLOCK	CPM_CR_SCC2_SBLOCK
-
-#elif CONFIG_KGDB_INDEX == 3	/* KGDB Port on SCC3 */
-
-#define KGDB_SCC_INDEX		2
-#define KGDB_PROFF_SCC		PROFF_SCC3
-#define KGDB_CMXSCR_MASK	(CMXSCR_GR3|CMXSCR_SC3|\
-					CMXSCR_RS3CS_MSK|CMXSCR_TS3CS_MSK)
-#define KGDB_CMXSCR_VALUE	(CMXSCR_RS3CS_BRG3|CMXSCR_TS3CS_BRG3)
-#define KGDB_CPM_CR_SCC_PAGE	CPM_CR_SCC3_PAGE
-#define KGDB_CPM_CR_SCC_SBLOCK	CPM_CR_SCC3_SBLOCK
-
-#elif CONFIG_KGDB_INDEX == 4	/* KGDB Port on SCC4 */
-
-#define KGDB_SCC_INDEX		3
-#define KGDB_PROFF_SCC		PROFF_SCC4
-#define KGDB_CMXSCR_MASK	(CMXSCR_GR4|CMXSCR_SC4|\
-					CMXSCR_RS4CS_MSK|CMXSCR_TS4CS_MSK)
-#define KGDB_CMXSCR_VALUE	(CMXSCR_RS4CS_BRG4|CMXSCR_TS4CS_BRG4)
-#define KGDB_CPM_CR_SCC_PAGE	CPM_CR_SCC4_PAGE
-#define KGDB_CPM_CR_SCC_SBLOCK	CPM_CR_SCC4_SBLOCK
-
-#else
-
-#error "kgdb serial port not correctly defined"
-
-#endif
-
-void
-kgdb_serial_init (void)
-{
-	volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
-	volatile scc_t *sp;
-	volatile scc_uart_t *up;
-	volatile cbd_t *tbdf, *rbdf;
-	volatile cpm8260_t *cp = &(im->im_cpm);
-	uint dpaddr, speed = CONFIG_KGDB_BAUDRATE;
-	char *s, *e;
-
-	if ((s = getenv("kgdbrate")) != NULL && *s != '\0') {
-		ulong rate = simple_strtoul(s, &e, 10);
-		if (e > s && *e == '\0')
-			speed = rate;
-	}
-
-	/* initialize pointers to SCC */
-
-	sp = (scc_t *) &(im->im_scc[KGDB_SCC_INDEX]);
-	up = (scc_uart_t *)&im->im_dprambase[KGDB_PROFF_SCC];
-
-	/* Disable transmitter/receiver.
-	*/
-	sp->scc_gsmrl &= ~(SCC_GSMRL_ENR | SCC_GSMRL_ENT);
-
-	/* put the SCC channel into NMSI (non multiplexd serial interface)
-	 * mode and wire the selected SCC Tx and Rx clocks to BRGx (15-15).
-	 */
-	im->im_cpmux.cmx_scr = \
-		(im->im_cpmux.cmx_scr & ~KGDB_CMXSCR_MASK) | KGDB_CMXSCR_VALUE;
-
-	/* Set up the baud rate generator.
-	*/
-#if defined(CONFIG_KGDB_USE_EXTC)
-	m8260_cpm_extcbrg(KGDB_SCC_INDEX, speed,
-		CONFIG_KGDB_EXTC_RATE, CONFIG_KGDB_EXTC_PINSEL);
-#else
-	m8260_cpm_setbrg(KGDB_SCC_INDEX, speed);
-#endif
-
-	/* Allocate space for two buffer descriptors in the DP ram.
-	 * damm: allocating space after the two buffers for rx/tx data
-	 */
-
-	dpaddr = m8260_cpm_dpalloc((2 * sizeof (cbd_t)) + 2, 16);
-
-	/* Set the physical address of the host memory buffers in
-	 * the buffer descriptors.
-	 */
-	rbdf = (cbd_t *)&im->im_dprambase[dpaddr];
-	rbdf->cbd_bufaddr = (uint) (rbdf+2);
-	rbdf->cbd_sc = BD_SC_EMPTY | BD_SC_WRAP;
-	tbdf = rbdf + 1;
-	tbdf->cbd_bufaddr = ((uint) (rbdf+2)) + 1;
-	tbdf->cbd_sc = BD_SC_WRAP;
-
-	/* Set up the uart parameters in the parameter ram.
-	*/
-	up->scc_genscc.scc_rbase = dpaddr;
-	up->scc_genscc.scc_tbase = dpaddr+sizeof(cbd_t);
-	up->scc_genscc.scc_rfcr = CPMFCR_EB;
-	up->scc_genscc.scc_tfcr = CPMFCR_EB;
-	up->scc_genscc.scc_mrblr = 1;
-	up->scc_maxidl = 0;
-	up->scc_brkcr = 1;
-	up->scc_parec = 0;
-	up->scc_frmec = 0;
-	up->scc_nosec = 0;
-	up->scc_brkec = 0;
-	up->scc_uaddr1 = 0;
-	up->scc_uaddr2 = 0;
-	up->scc_toseq = 0;
-	up->scc_char1 = up->scc_char2 = up->scc_char3 = up->scc_char4 = 0x8000;
-	up->scc_char5 = up->scc_char6 = up->scc_char7 = up->scc_char8 = 0x8000;
-	up->scc_rccm = 0xc0ff;
-
-	/* Mask all interrupts and remove anything pending.
-	*/
-	sp->scc_sccm = 0;
-	sp->scc_scce = 0xffff;
-
-	/* Set 8 bit FIFO, 16 bit oversampling and UART mode.
-	*/
-	sp->scc_gsmrh = SCC_GSMRH_RFW;	/* 8 bit FIFO */
-	sp->scc_gsmrl = \
-		SCC_GSMRL_TDCR_16 | SCC_GSMRL_RDCR_16 | SCC_GSMRL_MODE_UART;
-
-	/* Set CTS flow control, 1 stop bit, 8 bit character length,
-	 * normal async UART mode, no parity
-	 */
-	sp->scc_psmr = SCU_PSMR_FLC | SCU_PSMR_CL;
-
-	/* execute the "Init Rx and Tx params" CP command.
-	*/
-
-	while (cp->cp_cpcr & CPM_CR_FLG)  /* wait if cp is busy */
-	  ;
-
-	cp->cp_cpcr = mk_cr_cmd(KGDB_CPM_CR_SCC_PAGE, KGDB_CPM_CR_SCC_SBLOCK,
-					0, CPM_CR_INIT_TRX) | CPM_CR_FLG;
-
-	while (cp->cp_cpcr & CPM_CR_FLG)  /* wait if cp is busy */
-	  ;
-
-	/* Enable transmitter/receiver.
-	*/
-	sp->scc_gsmrl |= SCC_GSMRL_ENR | SCC_GSMRL_ENT;
-
-	printf("SCC%d at %dbps ", CONFIG_KGDB_INDEX, speed);
-}
-
-void
-putDebugChar(const char c)
-{
-	volatile scc_uart_t	*up;
-	volatile cbd_t		*tbdf;
-	volatile immap_t	*im;
-
-	if (c == '\n')
-		putDebugChar ('\r');
-
-	im = (immap_t *)CONFIG_SYS_IMMR;
-	up = (scc_uart_t *)&im->im_dprambase[KGDB_PROFF_SCC];
-	tbdf = (cbd_t *)&im->im_dprambase[up->scc_genscc.scc_tbase];
-
-	/* Wait for last character to go.
-	 */
-	while (tbdf->cbd_sc & BD_SC_READY)
-		;
-
-	/* Load the character into the transmit buffer.
-	 */
-	*(volatile char *)tbdf->cbd_bufaddr = c;
-	tbdf->cbd_datlen = 1;
-	tbdf->cbd_sc |= BD_SC_READY;
-}
-
-void
-putDebugStr (const char *s)
-{
-	while (*s) {
-		putDebugChar (*s++);
-	}
-}
-
-int
-getDebugChar(void)
-{
-	volatile cbd_t		*rbdf;
-	volatile scc_uart_t	*up;
-	volatile immap_t	*im;
-	unsigned char		c;
-
-	im = (immap_t *)CONFIG_SYS_IMMR;
-	up = (scc_uart_t *)&im->im_dprambase[KGDB_PROFF_SCC];
-	rbdf = (cbd_t *)&im->im_dprambase[up->scc_genscc.scc_rbase];
-
-	/* Wait for character to show up.
-	 */
-	while (rbdf->cbd_sc & BD_SC_EMPTY)
-		;
-
-	/* Grab the char and clear the buffer again.
-	 */
-	c = *(volatile unsigned char *)rbdf->cbd_bufaddr;
-	rbdf->cbd_sc |= BD_SC_EMPTY;
-
-	return (c);
-}
-
-void
-kgdb_interruptible(int yes)
-{
-	return;
-}
-
-#endif	/* CONFIG_KGDB_ON_SCC */