add M12

board/Makefile.board

@@ -1,6 +1,6 @@
 # -*- makefile -*-
 
-ALL_BOARDS = redbee-dev redbee-r1 redbee-usb redbee-econotag quahogcon freescale-ncb
+ALL_BOARDS = redbee-dev redbee-r1 redbee-usb redbee-econotag quahogcon freescale-ncb m12
 
 OBJDIR = obj_$(BOARD)
 CFLAGS += -I. -I$(OBJDIR) -I$(MC1322X)/board -DBOARD=$(BOARD)

board/m12.h

@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2010, Mariano Alvira <mar@devl.org> and other contributors
+ * to the MC1322x project (http://mc1322x.devl.org)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * This file is part of libmc1322x: see http://mc1322x.devl.org
+ * for details. 
+ *
+ *
+ */
+
+#ifndef BOARD_M12_H
+#define BOARD_M12_H
+
+/* XTAL TUNE parameters */
+/* see http://devl.org/pipermail/mc1322x/2009-December/000162.html */
+/* for details about how to make this measurement */
+
+/* Econotag also needs an addtional 12pf on board */
+/* Coarse tune: add 4pf */
+#define CTUNE_4PF 1
+/* Coarse tune: add 0-15 pf (CTUNE is 4 bits) */
+#define CTUNE 3
+/* Fine tune: add FTUNE * 156fF (FTUNE is 5bits) */
+#define FTUNE 3
+
+#define vreg_init buck_init
+#include <std_conf.h>
+
+#endif

board/std_conf.h

@@ -42,6 +42,28 @@
 #define vreg_init() default_vreg_init()
 #endif
 
+
+#ifndef GPIO_LED_RED
+#define GPIO_LED_RED   GPIO_40
+#endif
+#ifndef GPIO_LED_GREEN
+#define GPIO_LED_GREEN GPIO_41
+#endif
+#ifndef GPIO_LED_BLUE
+#define GPIO_LED_BLUE  GPIO_42
+#endif
+
+#ifndef LED_RED
+#define LED_RED   40
+#endif
+#ifndef LED_GREEN
+#define LED_GREEN 41
+#endif
+#ifndef LED_BLUE
+#define LED_BLUE  42
+#endif
+
+
 /* XTAL TUNE parameters */
 /* recommended defaults from the datasheet */
 

doc/buck

@@ -0,0 +1,18 @@
+no buck
+-------
+vsupply, 
+3.6, rftest-rx 46mA
+3.27, rftest-rx 42mA
+3.03, rftest-rx, 39.5mA
+2.56, rftest-rx 35mA
+2.2, rftest-rx 32mA
+
+buck
+-----
+3.58V, 39mA
+3.3, 37mA
+vsupply 3.03, rftest, 35.3mA
+2.47, 32.9mA
+2.2V, 31.2mA
+
+might have a hard time starting up everything in the <2.7V range

lib/maca.c

@@ -870,8 +870,10 @@ void radio_init(void) {
 	volatile uint32_t i;
 	/* sequence 1 */
 	for(i=0; i<MAX_SEQ1; i++) {
+		if((unsigned int)addr_seq1[i] != (unsigned int)CRM_VREG_CNTL) {
 			*(volatile uint32_t *)(addr_seq1[i]) = data_seq1[i];
 		}
+	}
 	/* seq 1 delay */
 	for(i=0; i<0x161a8; i++) { continue; }
 	/* sequence 2 */
@@ -898,8 +900,10 @@ void radio_init(void) {
 	}
 	/* cal 5 */
 	for(i=0; i<MAX_CAL5; i++) {
+		if((unsigned int)addr_cal5[i] != (unsigned int)CRM_VREG_CNTL) {
 			*(volatile uint32_t *)(addr_cal5[i]) = data_cal5[i];
 		}
+	}
 	/*reg replacment */
 	for(i=0; i<MAX_DATA; i++) {
 		*(volatile uint32_t *)(addr_reg_rep[i]) = data_reg_rep[i];
@@ -907,12 +911,6 @@ void radio_init(void) {
 	
 	PRINTF("initfromflash\n\r");
 
-	*(volatile uint32_t *)(0x80003048) = 0x00000f04; /* bypass the buck */
-	for(i=0; i<0x161a8; i++) { continue; } /* wait for the bypass to take */
-//	while((((*(volatile uint32_t *)(0x80003018))>>17) & 1) !=1) { continue; } /* wait for the bypass to take */
-	*(volatile uint32_t *)(0x80003048) = 0x00000fa4; /* start the regulators */
-	for(i=0; i<0x161a8; i++) { continue; } /* wait for the bypass to take */
-
 	init_from_flash(0x1F000);
 
 	PRINTF("ram_values:\n\r");
@@ -1141,7 +1139,11 @@ uint32_t exec_init_entry(volatile uint32_t *entries, uint8_t *valbuf)
 		PRINTF("init_entry: address value pair - *0x%08x = 0x%08x\n\r",
 		       (unsigned int)entries[0],
 		       (unsigned int)entries[1]);
+		if ((unsigned int)entries[0] !=  (unsigned int)CRM_VREG_CNTL) {
 			reg(entries[0]) = entries[1];
+		} else {
+			PRINTF("skipping VREG_CNTL\n\r");
+		}
 		return 2;
 	}
 }

src/default_lowlevel.c

@@ -45,6 +45,19 @@ void default_vreg_init(void) {
 	*CRM_VREG_CNTL = 0x00000ff8; /* start the regulators */
 }
 
+void buck_init(void) {
+	CRM->SYS_CNTLbits.PWR_SOURCE = 1;
+	CRM->VREG_CNTLbits.BUCK_SYNC_REC_EN = 1;
+	CRM->VREG_CNTLbits.BUCK_BYPASS_EN = 0;
+	CRM->VREG_CNTLbits.BUCK_EN = 1;
+	while(CRM->STATUSbits.VREG_BUCK_RDY == 0) { continue; }
+	CRM->VREG_CNTLbits.VREG_1P5V_SEL = 3;
+	CRM->VREG_CNTLbits.VREG_1P5V_EN = 3;
+	CRM->VREG_CNTLbits.VREG_1P8V_EN = 1;
+	while(CRM->STATUSbits.VREG_1P5V_RDY == 0) { continue; }
+	while(CRM->STATUSbits.VREG_1P8V_RDY == 0) { continue; }
+}
+
 void uart1_init(volatile uint16_t inc, volatile uint16_t mod, volatile uint8_t samp) {
 
         /* UART must be disabled to set the baudrate */

src/default_lowlevel.h

@@ -41,6 +41,7 @@
 #define trim_xtal() pack_XTAL_CNTL(CTUNE_4PF, CTUNE, FTUNE, IBIAS)
 
 void default_vreg_init(void);
+void buck_init(void);
 void uart1_init(uint16_t inc, uint16_t mod, uint8_t samp);
 void uart2_init(uint16_t inc, uint16_t mod, uint8_t samp);