Initial revision

1 files changed, 578 insertions, 0 deletions

diff --git a/common/cmd_immap.c b/common/cmd_immap.c
new file mode 100644
index 0000000..443335b
--- /dev/null
+++ b/common/cmd_immap.c
@@ -0,0 +1,578 @@
+/*
+ * (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
+ */
+
+/*
+ * MPC8xx/MPC8260 Internal Memory Map Functions
+ */
+
+#include <common.h>
+#include <command.h>
+#include <cmd_immap.h>
+
+#if (CONFIG_COMMANDS & CFG_CMD_IMMAP) && \
+    (defined(CONFIG_8xx) || defined(CONFIG_8260))
+
+#if defined(CONFIG_8xx)
+#include <asm/8xx_immap.h>
+#include <commproc.h>
+#elif defined(CONFIG_8260)
+#include <asm/immap_8260.h>
+#include <asm/cpm_8260.h>
+#include <asm/iopin_8260.h>
+#endif
+
+static void
+unimplemented ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	printf ("Sorry, but the '%s' command has not been implemented\n",
+		cmdtp->name);
+}
+
+int
+do_siuinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	volatile immap_t *immap = (immap_t *) CFG_IMMR;
+
+#if defined(CONFIG_8xx)
+	volatile sysconf8xx_t *sc = &immap->im_siu_conf;
+#elif defined(CONFIG_8260)
+	volatile sysconf8260_t *sc = &immap->im_siu_conf;
+#endif
+
+	printf ("SIUMCR= %08x SYPCR = %08x\n", sc->sc_siumcr, sc->sc_sypcr);
+#if defined(CONFIG_8xx)
+	printf ("SWT   = %08x\n", sc->sc_swt);
+	printf ("SIPEND= %08x SIMASK= %08x\n", sc->sc_sipend, sc->sc_simask);
+	printf ("SIEL  = %08x SIVEC = %08x\n", sc->sc_siel, sc->sc_sivec);
+	printf ("TESR  = %08x SDCR  = %08x\n", sc->sc_tesr, sc->sc_sdcr);
+#elif defined(CONFIG_8260)
+	printf ("BCR   = %08x\n", sc->sc_bcr);
+	printf ("P_ACR =       %02x P_ALRH= %08x P_ALRL= %08x\n",
+		sc->sc_ppc_acr, sc->sc_ppc_alrh, sc->sc_ppc_alrl);
+	printf ("L_ACR =       %02x L_ALRH= %08x L_ALRL= %08x\n",
+		sc->sc_lcl_acr, sc->sc_lcl_alrh, sc->sc_lcl_alrl);
+	printf ("PTESR1= %08x PTESR2= %08x\n", sc->sc_tescr1, sc->sc_tescr2);
+	printf ("LTESR1= %08x LTESR2= %08x\n", sc->sc_ltescr1, sc->sc_ltescr2);
+	printf ("PDTEA = %08x PDTEM =       %02x\n", sc->sc_pdtea, sc->sc_pdtem);
+	printf ("LDTEA = %08x LDTEM =       %02x\n", sc->sc_ldtea, sc->sc_ldtem);
+#endif
+	return 0;
+}
+
+int
+do_memcinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	volatile immap_t *immap = (immap_t *) CFG_IMMR;
+
+#if defined(CONFIG_8xx)
+	volatile memctl8xx_t *memctl = &immap->im_memctl;
+	int nbanks = 8;
+#elif defined(CONFIG_8260)
+	volatile memctl8260_t *memctl = &immap->im_memctl;
+	int nbanks = 12;
+#endif
+	volatile uint *p = &memctl->memc_br0;
+	int i;
+
+	for (i = 0; i < nbanks; i++, p += 2) {
+		if (i < 10) {
+			printf ("BR%d   = %08x OR%d   = %08x\n",
+				i, p[0], i, p[1]);
+		} else {
+			printf ("BR%d  = %08x OR%d  = %08x\n",
+				i, p[0], i, p[1]);
+		}
+	}
+
+	printf ("MAR   = %08x", memctl->memc_mar);
+#if defined(CONFIG_8xx)
+	printf (" MCR   = %08x\n", memctl->memc_mcr);
+#elif defined(CONFIG_8260)
+	printf ("\n");
+#endif
+	printf ("MAMR  = %08x MBMR  = %08x",
+		memctl->memc_mamr, memctl->memc_mbmr);
+#if defined(CONFIG_8xx)
+	printf ("\nMSTAT =     %04x\n", memctl->memc_mstat);
+#elif defined(CONFIG_8260)
+	printf (" MCMR  = %08x\n", memctl->memc_mcmr);
+#endif
+	printf ("MPTPR =     %04x MDR   = %08x\n",
+		memctl->memc_mptpr, memctl->memc_mdr);
+#if defined(CONFIG_8260)
+	printf ("PSDMR = %08x LSDMR = %08x\n",
+		memctl->memc_psdmr, memctl->memc_lsdmr);
+	printf ("PURT  =       %02x PSRT  =       %02x\n",
+		memctl->memc_purt, memctl->memc_psrt);
+	printf ("LURT  =       %02x LSRT  =       %02x\n",
+		memctl->memc_lurt, memctl->memc_lsrt);
+	printf ("IMMR  = %08x\n", memctl->memc_immr);
+#endif
+	return 0;
+}
+
+int
+do_sitinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	unimplemented (cmdtp, flag, argc, argv);
+	return 0;
+}
+
+#ifdef CONFIG_8260
+int
+do_icinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	unimplemented (cmdtp, flag, argc, argv);
+	return 0;
+}
+#endif
+
+int
+do_carinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	unimplemented (cmdtp, flag, argc, argv);
+	return 0;
+}
+
+static int counter;
+
+static void
+header(void)
+{
+	char *data = "\
+       --------------------------------        --------------------------------\
+       00000000001111111111222222222233        00000000001111111111222222222233\
+       01234567890123456789012345678901        01234567890123456789012345678901\
+       --------------------------------        --------------------------------\
+    ";
+	int i;
+
+	if (counter % 2)
+	putc('\n');
+	counter = 0;
+
+	for (i = 0; i < 4; i++, data += 79)
+		printf("%.79s\n", data);
+}
+
+static void binary (char *label, uint value, int nbits)
+{
+	uint mask = 1 << (nbits - 1);
+	int i, second = (counter++ % 2);
+
+	if (second)
+		putc (' ');
+	puts (label);
+	for (i = 32 + 1; i != nbits; i--)
+		putc (' ');
+
+	while (mask != 0) {
+		if (value & mask)
+			putc ('1');
+		else
+			putc ('0');
+		mask >>= 1;
+	}
+
+	if (second)
+		putc ('\n');
+}
+
+#if defined(CONFIG_8xx)
+#define PA_NBITS	16
+#define PA_NB_ODR	 8
+#define PB_NBITS	18
+#define PB_NB_ODR	16
+#define PC_NBITS	12
+#define PD_NBITS	13
+#elif defined(CONFIG_8260)
+#define PA_NBITS	32
+#define PA_NB_ODR	32
+#define PB_NBITS	28
+#define PB_NB_ODR	28
+#define PC_NBITS	32
+#define PD_NBITS	28
+#endif
+
+int
+do_iopinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	volatile immap_t *immap = (immap_t *) CFG_IMMR;
+
+#if defined(CONFIG_8xx)
+	volatile iop8xx_t *iop = &immap->im_ioport;
+	volatile ushort *l, *r;
+#elif defined(CONFIG_8260)
+	volatile iop8260_t *iop = &immap->im_ioport;
+	volatile uint *l, *r;
+#endif
+	volatile uint *R;
+
+	counter = 0;
+	header ();
+
+	/*
+	 * Ports A & B
+	 */
+
+#if defined(CONFIG_8xx)
+	l = &iop->iop_padir;
+	R = &immap->im_cpm.cp_pbdir;
+#elif defined(CONFIG_8260)
+	l = &iop->iop_pdira;
+	R = &iop->iop_pdirb;
+#endif
+	binary ("PA_DIR", *l++, PA_NBITS);
+	binary ("PB_DIR", *R++, PB_NBITS);
+	binary ("PA_PAR", *l++, PA_NBITS);
+	binary ("PB_PAR", *R++, PB_NBITS);
+#if defined(CONFIG_8260)
+	binary ("PA_SOR", *l++, PA_NBITS);
+	binary ("PB_SOR", *R++, PB_NBITS);
+#endif
+	binary ("PA_ODR", *l++, PA_NB_ODR);
+	binary ("PB_ODR", *R++, PB_NB_ODR);
+	binary ("PA_DAT", *l++, PA_NBITS);
+	binary ("PB_DAT", *R++, PB_NBITS);
+
+	header ();
+
+	/*
+	 * Ports C & D
+	 */
+
+#if defined(CONFIG_8xx)
+	l = &iop->iop_pcdir;
+	r = &iop->iop_pddir;
+#elif defined(CONFIG_8260)
+	l = &iop->iop_pdirc;
+	r = &iop->iop_pdird;
+#endif
+	binary ("PC_DIR", *l++, PC_NBITS);
+	binary ("PD_DIR", *r++, PD_NBITS);
+	binary ("PC_PAR", *l++, PC_NBITS);
+	binary ("PD_PAR", *r++, PD_NBITS);
+#if defined(CONFIG_8xx)
+	binary ("PC_SO ", *l++, PC_NBITS);
+	binary ("      ", 0, 0);
+	r++;
+#elif defined(CONFIG_8260)
+	binary ("PC_SOR", *l++, PC_NBITS);
+	binary ("PD_SOR", *r++, PD_NBITS);
+	binary ("PC_ODR", *l++, PC_NBITS);
+	binary ("PD_ODR", *r++, PD_NBITS);
+#endif
+	binary ("PC_DAT", *l++, PC_NBITS);
+	binary ("PD_DAT", *r++, PD_NBITS);
+#if defined(CONFIG_8xx)
+	binary ("PC_INT", *l++, PC_NBITS);
+#endif
+
+	header ();
+	return 0;
+}
+
+/*
+ * set the io pins
+ * this needs a clean up for smaller tighter code
+ * use *uint and set the address based on cmd + port
+ */
+int
+do_iopset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+#if defined(CONFIG_8260)
+	uint rcode = 0;
+	static uint port = 0;
+	static uint pin = 0;
+	static uint value = 0;
+	static enum { DIR, PAR, SOR, ODR, DAT } cmd = DAT;
+	iopin_t iopin;
+
+	if (argc != 5) {
+		printf ("iopset PORT PIN CMD VALUE\n");
+		return 1;
+	}
+	port = argv[1][0] - 'A';
+	if (port > 3)
+		port -= 0x20;
+	if (port > 3)
+		rcode = 1;
+	pin = simple_strtol (argv[2], NULL, 10);
+	if (pin > 31)
+		rcode = 1;
+
+
+	switch (argv[3][0]) {
+	case 'd':
+		if (argv[3][1] == 'a')
+			cmd = DAT;
+		else if (argv[3][1] == 'i')
+			cmd = DIR;
+		else
+			rcode = 1;
+		break;
+	case 'p':
+		cmd = PAR;
+		break;
+	case 'o':
+		cmd = ODR;
+		break;
+	case 's':
+		cmd = SOR;
+		break;
+	default:
+		printf ("iopset: unknown command %s\n", argv[3]);
+		rcode = 1;
+	}
+	if (argv[4][0] == '1')
+		value = 1;
+	else if (argv[4][0] == '0')
+		value = 0;
+	else
+		rcode = 1;
+	if (rcode == 0) {
+		iopin.port = port;
+		iopin.pin = pin;
+		switch (cmd) {
+		case DIR:
+			if (value)
+				iopin_set_out (&iopin);
+			else
+				iopin_set_in (&iopin);
+			break;
+		case PAR:
+			if (value)
+				iopin_set_ded (&iopin);
+			else
+				iopin_set_gen (&iopin);
+			break;
+		case SOR:
+			if (value)
+				iopin_set_opt2 (&iopin);
+			else
+				iopin_set_opt1 (&iopin);
+			break;
+		case ODR:
+			if (value)
+				iopin_set_odr (&iopin);
+			else
+				iopin_set_act (&iopin);
+			break;
+		case DAT:
+			if (value)
+				iopin_set_high (&iopin);
+			else
+				iopin_set_low (&iopin);
+			break;
+		}
+
+	}
+	return rcode;
+#else
+	unimplemented (cmdtp, flag, argc, argv);
+	return 0;
+#endif
+}
+
+int
+do_dmainfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	unimplemented (cmdtp, flag, argc, argv);
+	return 0;
+}
+
+int
+do_fccinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	unimplemented (cmdtp, flag, argc, argv);
+	return 0;
+}
+
+static void prbrg (int n, uint val)
+{
+	uint extc = (val >> 14) & 3;
+	uint cd = (val & CPM_BRG_CD_MASK) >> 1;
+	uint div16 = (val & CPM_BRG_DIV16) != 0;
+
+#if defined(CONFIG_8xx)
+	DECLARE_GLOBAL_DATA_PTR;
+	ulong clock = gd->cpu_clk;
+#elif defined(CONFIG_8260)
+	DECLARE_GLOBAL_DATA_PTR;
+	ulong clock = gd->brg_clk;
+#endif
+
+	printf ("BRG%d:", n);
+
+	if (val & CPM_BRG_RST)
+		puts (" RESET");
+	else
+		puts ("      ");
+
+	if (val & CPM_BRG_EN)
+		puts ("  ENABLED");
+	else
+		puts (" DISABLED");
+
+	printf (" EXTC=%d", extc);
+
+	if (val & CPM_BRG_ATB)
+		puts (" ATB");
+	else
+		puts ("    ");
+
+	printf (" DIVIDER=%4d", cd);
+	if (extc == 0 && cd != 0) {
+		uint baudrate;
+
+		if (div16)
+			baudrate = (clock / 16) / (cd + 1);
+		else
+			baudrate = clock / (cd + 1);
+
+		printf ("=%6d bps", baudrate);
+	} else {
+		puts ("           ");
+	}
+
+	if (val & CPM_BRG_DIV16)
+		puts (" DIV16");
+	else
+		puts ("      ");
+
+	putc ('\n');
+}
+
+int
+do_brginfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	volatile immap_t *immap = (immap_t *) CFG_IMMR;
+
+#if defined(CONFIG_8xx)
+	volatile cpm8xx_t *cp = &immap->im_cpm;
+	volatile uint *p = &cp->cp_brgc1;
+#elif defined(CONFIG_8260)
+	volatile uint *p = &immap->im_brgc1;
+#endif
+	int i = 1;
+
+	while (i <= 4)
+		prbrg (i++, *p++);
+
+#if defined(CONFIG_8260)
+	p = &immap->im_brgc5;
+	while (i <= 8)
+		prbrg (i++, *p++);
+#endif
+	return 0;
+}
+
+int
+do_i2cinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	volatile immap_t *immap = (immap_t *) CFG_IMMR;
+
+#if defined(CONFIG_8xx)
+	volatile i2c8xx_t *i2c = &immap->im_i2c;
+	volatile cpm8xx_t *cp = &immap->im_cpm;
+	volatile iic_t *iip = (iic_t *) & cp->cp_dparam[PROFF_IIC];
+#elif defined(CONFIG_8260)
+	volatile i2c8260_t *i2c = &immap->im_i2c;
+	volatile iic_t *iip;
+	uint dpaddr;
+
+	dpaddr = *((unsigned short *) (&immap->im_dprambase[PROFF_I2C_BASE]));
+	if (dpaddr == 0)
+		iip = NULL;
+	else
+		iip = (iic_t *) & immap->im_dprambase[dpaddr];
+#endif
+
+	printf ("I2MOD = %02x I2ADD = %02x\n", i2c->i2c_i2mod, i2c->i2c_i2add);
+	printf ("I2BRG = %02x I2COM = %02x\n", i2c->i2c_i2brg, i2c->i2c_i2com);
+	printf ("I2CER = %02x I2CMR = %02x\n", i2c->i2c_i2cer, i2c->i2c_i2cmr);
+
+	if (iip == NULL)
+		printf ("i2c parameter ram not allocated\n");
+	else {
+		printf ("RBASE = %08x TBASE = %08x\n",
+			iip->iic_rbase, iip->iic_tbase);
+		printf ("RFCR  =       %02x TFCR  =       %02x\n",
+			iip->iic_rfcr, iip->iic_tfcr);
+		printf ("MRBLR =     %04x\n", iip->iic_mrblr);
+		printf ("RSTATE= %08x RDP   = %08x\n",
+			iip->iic_rstate, iip->iic_rdp);
+		printf ("RBPTR =     %04x RBC   =     %04x\n",
+			iip->iic_rbptr, iip->iic_rbc);
+		printf ("RXTMP = %08x\n", iip->iic_rxtmp);
+		printf ("TSTATE= %08x TDP   = %08x\n",
+			iip->iic_tstate, iip->iic_tdp);
+		printf ("TBPTR =     %04x TBC   =     %04x\n",
+			iip->iic_tbptr, iip->iic_tbc);
+		printf ("TXTMP = %08x\n", iip->iic_txtmp);
+	}
+	return 0;
+}
+
+int
+do_sccinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	unimplemented (cmdtp, flag, argc, argv);
+	return 0;
+}
+
+int
+do_smcinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	unimplemented (cmdtp, flag, argc, argv);
+	return 0;
+}
+
+int
+do_spiinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	unimplemented (cmdtp, flag, argc, argv);
+	return 0;
+}
+
+int
+do_muxinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	unimplemented (cmdtp, flag, argc, argv);
+	return 0;
+}
+
+int
+do_siinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	unimplemented (cmdtp, flag, argc, argv);
+	return 0;
+}
+
+int
+do_mccinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	unimplemented (cmdtp, flag, argc, argv);
+	return 0;
+}
+#endif	/* CFG_CMD_IMMAP && (CONFIG_8xx || CONFIG_8260) */