ben-blinkenlights/avrdude/patches/nanonote.patch

Index: avrdude/Makefile.am
===================================================================
--- avrdude.orig/Makefile.am	2011-03-07 16:50:03.000000000 -0300
+++ avrdude/Makefile.am	2011-03-07 16:50:06.000000000 -0300
@@ -111,6 +111,8 @@
 	lists.c \
 	lists.h \
 	my_ddk_hidsdi.h \
+	nanonote.c \
+	nanonote.h \
 	par.c \
 	par.h \
 	pgm.c \
Index: avrdude/config_gram.y
===================================================================
--- avrdude.orig/config_gram.y	2011-03-07 16:50:03.000000000 -0300
+++ avrdude/config_gram.y	2011-03-07 16:50:06.000000000 -0300
@@ -48,6 +48,7 @@
 #include "avr.h"
 #include "jtagmkI.h"
 #include "jtagmkII.h"
+#include "nanonote.h"
 
 #if defined(WIN32NATIVE)
 #define strtok_r( _s, _sep, _lasts ) \
@@ -99,6 +100,7 @@
 %token K_DRAGON_JTAG
 %token K_DRAGON_PDI
 %token K_DRAGON_PP
+%token K_NANONOTE
 %token K_STK500_DEVCODE
 %token K_AVR910_DEVCODE
 %token K_EEPROM
@@ -551,6 +553,12 @@
     }
   } |
 
+  K_TYPE TKN_EQUAL K_NANONOTE {
+    {
+      nanonote_initpgm(current_prog);
+    }
+  } |
+
   K_DESC TKN_EQUAL TKN_STRING {
     strncpy(current_prog->desc, $3->value.string, PGM_DESCLEN);
     current_prog->desc[PGM_DESCLEN-1] = 0;
Index: avrdude/lexer.l
===================================================================
--- avrdude.orig/lexer.l	2011-03-07 16:50:03.000000000 -0300
+++ avrdude/lexer.l	2011-03-07 16:50:06.000000000 -0300
@@ -164,6 +164,7 @@
 min_write_delay  { yylval=NULL; return K_MIN_WRITE_DELAY; }
 miso             { yylval=NULL; return K_MISO; }
 mosi             { yylval=NULL; return K_MOSI; }
+nanonote         { yylval=NULL; return K_NANONOTE; }
 num_banks        { yylval=NULL; return K_NUM_PAGES; }
 num_pages        { yylval=NULL; return K_NUM_PAGES; }
 nvm_base         { yylval=NULL; return K_NVM_BASE; }
Index: avrdude/nanonote.c
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ avrdude/nanonote.c	2011-03-07 17:07:16.000000000 -0300
@@ -0,0 +1,374 @@
+/*
+ * avrdude - A Downloader/Uploader for AVR device programmers
+ * Copyright (C) 2000, 2001, 2002, 2003  Brian S. Dean <bsd@bsdhome.com>
+ * Copyright (C) 2005 Michael Holzt <kju-avr@fqdn.org>
+ * Copyright (C) 2006 Joerg Wunsch <j@uriah.heep.sax.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
+ */
+
+/*
+ * Posix serial bitbanging interface for avrdude.
+ */
+
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/mman.h>
+
+#include "avr.h"
+#include "pgm.h"
+#include "bitbang.h"
+
+
+struct pdata {
+	unsigned clk;	/* clock output on CLK; 0 if none */
+};
+
+#define	PDATA(pgm) ((struct pdata *) (pgm)->cookie)
+
+
+static volatile void *mem;
+
+
+#define	PLL_CLK		336	/* PLL runs at 336 MHz */
+
+#define	POWER_OFF	3,  2	/* PD02, drive low to enable power */
+#define	CMD		3,  8	/* PD08, CMD */
+#define	CLK		3,  9	/* PD09, CLK */
+#define	DAT0		3, 10	/* PD10, DAT0 */
+#define	DAT1		3, 11	/* PD11, DAT1 */
+#define	DAT2		3, 12	/* PD12, DAT2 */
+#define	DAT3		3, 13	/* PD13, DAT3 */
+
+
+static struct {
+	unsigned port;
+	unsigned bit;
+} pin_map[] = {
+	{ 0,  0},	/* 0: not assigned */
+	{ 3, 11 },	/* 1: PD11, DAT1 */
+	{ 3, 10 },	/* 2: PD12, DAT0 */
+	{ 0,  0 },	/* 3: VSS */
+	{ 0,  0 },	/* 4: PD09, CLK (reserved) */
+	{ 0,  0 },	/* 5: VDD */
+	{ 3,  8 },	/* 6: PD08, CMD */
+	{ 3, 13 },	/* 7: PD13, DAT3 */
+	{ 3, 12 }	/* 8: PD13, DAT2 */
+};
+
+
+#define	BASE		0x10000000
+#define	REG_WINDOW	0x30000
+
+#define REG(off)	(*(volatile uint32_t *) (mem+(off)))
+
+#define CGU(n)		REG(0x00000+(n))
+#define GPIO(n)		REG(0x10000+(n))
+#define MSC(n)		REG(0x21000+(n))
+
+#define port_pin(port)	GPIO(port*0x100)
+#define port_dats(port)	GPIO(port*0x100+0x14)
+#define port_datc(port)	GPIO(port*0x100+0x18)
+#define port_funs(port)	GPIO(port*0x100+0x44)
+#define port_func(port)	GPIO(port*0x100+0x48)
+#define port_dirs(port)	GPIO(port*0x100+0x64)
+#define port_dirc(port)	GPIO(port*0x100+0x68)
+
+#define	MSC_STRPCL	MSC(0x00)	/* Start/stop MMC/SD clock */
+#define	MSC_CLKRT	MSC(0x08)	/* MSC Clock Rate */
+
+#define CLKGR		CGU(0x0020)	/* Clock Gate */
+#define MSCCDR		CGU(0x0068)	/* MSC device clock divider */
+
+
+static inline void gpio_high(unsigned port, unsigned bit)
+{
+	port_dats(port) = 1 << bit;
+}
+
+
+static void gpio_low(unsigned port, unsigned bit)
+{
+	port_datc(port) = 1 << bit;
+}
+
+
+static void gpio_set(unsigned port, unsigned bit, int value)
+{
+	if (value)
+		gpio_high(port, bit);
+	else
+		gpio_low(port, bit);
+}
+
+
+static int gpio_get(unsigned port, unsigned bit)
+{
+	return (port_pin(port) >> bit) & 1;
+}
+
+
+static void gpio_output(unsigned port, unsigned bit)
+{
+	port_dirs(port) = 1 << bit;
+}
+
+
+static void gpio_input(unsigned port, unsigned bit)
+{
+	port_dirc(port) = 1 << bit;
+}
+
+
+static void gpio_function(unsigned port, unsigned bit, int on)
+{
+	if (on)
+		port_funs(port) = 1 << bit;
+	else
+		port_func(port) = 1 << bit;
+}
+
+
+static int nanonote_setpin(PROGRAMMER *pgm, int pin, int value)
+{
+	if (pin & PIN_INVERSE) {
+		value = !value;
+		pin &= PIN_MASK;
+	}
+
+	if (pin < 1 || pin >= sizeof(pin_map)/sizeof(*pin_map))
+		return -1;
+	if (!pin_map[pin].port)
+		return -1;
+
+#if 0
+fprintf(stderr, "pin %d (%u, %u) = %d\n",
+pin, pin_map[pin].port, pin_map[pin].bit, value);
+#endif
+	gpio_set(pin_map[pin].port, pin_map[pin].bit, value);
+
+	/*
+	 * We get unstable results with values <= 16 but stable results
+	 * with 17 and above.
+	 */
+	bitbang_delay(pgm->ispdelay+20);
+
+	return 0;
+}
+
+
+static int nanonote_getpin(PROGRAMMER *pgm, int pin)
+{
+	int invert = 0;
+	int v;
+
+	if (pin & PIN_INVERSE) {
+		invert = 1;
+		pin &= PIN_MASK;
+	}
+
+	if (pin < 1 || pin >= sizeof(pin_map)/sizeof(*pin_map))
+		return -1;
+	if (!pin_map[pin].port)
+		return -1;
+
+	gpio_input(pin_map[pin].port, pin_map[pin].bit); /* @@@ hack */
+	v = gpio_get(pin_map[pin].port, pin_map[pin].bit);
+#if 0
+fprintf(stderr, "pin %d (%u, %u): %d\n",
+pin, pin_map[pin].port, pin_map[pin].bit, v);
+#endif
+	return pin & PIN_INVERSE ? !v : v;
+}
+
+
+static int nanonote_highpulsepin(PROGRAMMER *pgm, int pin)
+{
+	return -1;
+}
+
+
+static void nanonote_display(PROGRAMMER *pgm, const char *p)
+{
+	/* nothing */
+}
+
+
+static void misc_high(PROGRAMMER *pgm)
+{
+	gpio_high(POWER_OFF);
+	gpio_high(DAT1);
+	gpio_high(DAT0);
+	gpio_high(CMD);
+	gpio_high(DAT3);
+	gpio_high(DAT2);
+}
+
+
+static void nanonote_enable(PROGRAMMER *pgm)
+{
+	int div, log2 = 0;
+
+	misc_high(pgm);
+	if (!PDATA(pgm)->clk)
+		return;
+
+	/* give the bus clock output to the MMC controller */
+	gpio_function(CLK, 1);
+
+	/*
+	 * set the MSC clock divider, dividing the 316 MHz system clock
+	 */
+	div = PLL_CLK/PDATA(pgm)->clk;
+	if (PLL_CLK % PDATA(pgm)->clk)
+		div++;
+	while (div > 32) {
+		log2++;
+		div = (div+1)/2;
+	}
+	MSCCDR = div-1;
+
+	/*
+	 * Enable the MSC clock. We need to do this before accessing any
+	 * registers of the MSC block !
+	 */
+	CLKGR &= ~(1 << 7);
+
+	/* bus clock = MSC clock / 2^log2 */
+	MSC_CLKRT = log2;
+
+	/* start MMC clock output */
+	MSC_STRPCL = 2;
+}
+
+
+static void nanonote_disable(PROGRAMMER *pgm)
+{
+	misc_high(pgm);
+	gpio_function(CLK, 0);	/* set CLK to GPIO */
+	gpio_high(CLK);
+}
+
+
+static void nanonote_powerup(PROGRAMMER *pgm)
+{
+	gpio_low(POWER_OFF);
+}
+
+
+static void nanonote_powerdown(PROGRAMMER *pgm)
+{
+	gpio_input(DAT0);
+	gpio_input(CLK);
+	gpio_input(CMD);
+	gpio_input(DAT3);
+	gpio_input(DAT2);
+	gpio_input(DAT1);
+	gpio_high(POWER_OFF);
+}
+
+
+static int nanonote_open(PROGRAMMER *pgm, char *port)
+{
+	bitbang_check_prerequisites(pgm);
+
+	pgm->fd.ifd = open("/dev/mem", O_RDWR | O_SYNC);
+	if (pgm->fd.ifd < 0) {
+		perror("/dev/mem");
+		return -1;
+	}
+	mem = mmap(NULL, REG_WINDOW, PROT_READ | PROT_WRITE, MAP_SHARED,
+	    pgm->fd.ifd, BASE);
+	if (mem == MAP_FAILED) {
+		perror("mmap");
+		return -1;
+        }
+
+	gpio_output(POWER_OFF);
+	gpio_output(DAT0);
+	gpio_output(CLK);
+	gpio_output(CMD);
+	gpio_output(DAT3);
+	gpio_output(DAT2);
+	gpio_output(DAT1);
+
+	nanonote_disable(pgm);
+
+	return 0;
+}
+
+
+static void nanonote_close(PROGRAMMER *pgm)
+{
+	if (pgm->fd.ifd != -1)
+		close(pgm->fd.ifd);
+}
+
+
+static int nanonote_parseextparams(PROGRAMMER *pgm, LISTID extparms)
+{
+	LNODEID n;
+	const char *param;
+
+	for (n = lfirst(extparms); n; n = lnext(n)) {
+		param = ldata(n);
+		if (sscanf(param, "clk=%u", &PDATA(pgm)->clk) == 1)
+			continue;
+		fprintf(stderr, "unrecognized parameter \"%s\"\n", param);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+void nanonote_initpgm(PROGRAMMER *pgm)
+{
+	strcpy(pgm->type, "NANONOTE");
+
+	pgm->rdy_led		= bitbang_rdy_led;
+	pgm->err_led		= bitbang_err_led;
+	pgm->pgm_led		= bitbang_pgm_led;
+	pgm->vfy_led		= bitbang_vfy_led;
+	pgm->initialize		= bitbang_initialize;
+	pgm->display		= nanonote_display;
+	pgm->enable		= nanonote_enable;
+	pgm->disable		= nanonote_disable;
+	pgm->powerup		= nanonote_powerup;
+	pgm->powerdown		= nanonote_powerdown;
+	pgm->program_enable	= bitbang_program_enable;
+	pgm->chip_erase		= bitbang_chip_erase;
+	pgm->cmd		= bitbang_cmd;
+	pgm->open		= nanonote_open;
+	pgm->close		= nanonote_close;
+	pgm->setpin		= nanonote_setpin;
+	pgm->getpin		= nanonote_getpin;
+	pgm->highpulsepin	= nanonote_highpulsepin;
+	pgm->read_byte		= avr_read_byte_default;
+	pgm->write_byte		= avr_write_byte_default;
+	pgm->parseextparams	= nanonote_parseextparams;
+
+	pgm->cookie = malloc(sizeof(struct pdata));
+	if (!pgm->cookie) {
+		perror("malloc");
+		exit(1);
+	}
+	PDATA(pgm)->clk = 0;
+}
Index: avrdude/nanonote.h
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ avrdude/nanonote.h	2011-03-07 16:50:06.000000000 -0300
@@ -0,0 +1,6 @@
+#ifndef nanonote_h
+#define	nanonote_h
+
+void nanonote_initpgm(PROGRAMMER *pgm);
+
+#endif