X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Flpc%2Fao_arch_funcs.h;h=e88b0141f9ad7c37ea8785e448d9a59411b142f7;hb=e80a45c1565b14479e3a4cfc968d49b13cef4fe0;hp=179b2f4d0ae3963dba54febef71ab8889f058004;hpb=7361371190bf3805b6d0414e61f697aca7c7cff1;p=fw%2Faltos

diff --git a/src/lpc/ao_arch_funcs.h b/src/lpc/ao_arch_funcs.h
index 179b2f4d..e88b0141 100644
--- a/src/lpc/ao_arch_funcs.h
+++ b/src/lpc/ao_arch_funcs.h
@@ -3,7 +3,8 @@
  *
  * 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; version 2 of the License.
+ * 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
@@ -18,28 +19,38 @@
 #ifndef _AO_ARCH_FUNCS_H_
 #define _AO_ARCH_FUNCS_H_
 
-#define ao_spi_get_bit(reg,bit,pin,bus,speed) ao_spi_get_mask(reg,(1<<bit),bus,speed)
-#define ao_spi_put_bit(reg,bit,pin,bus) ao_spi_put_mask(reg,(1<<bit),bus)
+#define ao_spi_get_bit(reg,bit,bus,speed) ao_spi_get_mask(reg,(1<<bit),bus,speed)
+#define ao_spi_put_bit(reg,bit,bus) ao_spi_put_mask(reg,(1<<bit),bus)
 
 #define ao_enable_port(port) (lpc_scb.sysahbclkctrl |= (1 << LPC_SCB_SYSAHBCLKCTRL_GPIO))
+#define ao_disable_port(port) (lpc_scb.sysahbclkctrl &= ~(1UL << LPC_SCB_SYSAHBCLKCTRL_GPIO))
 
 #define lpc_all_bit(port,bit)	(((port) << 5) | (bit))
 
-#define ao_gpio_set(port, bit, pin, v)	(lpc_gpio.byte[lpc_all_bit(port,bit)] = (v))
+#define ao_gpio_set(port, bit, v)	(lpc_gpio.byte[lpc_all_bit(port,bit)] = (v))
 
-#define ao_gpio_get(port, bit, pin) 	(lpc_gpio_byte[lpc_all_bit(port,bit)])
+#define ao_gpio_get(port, bit) 	(lpc_gpio.byte[lpc_all_bit(port,bit)])
 
-#define ao_enable_output(port,bit,pin,v) do {			\
+#define PORT0_JTAG_REGS	((1 << 11) | (1 << 12) | (1 << 14))
+
+static inline void lpc_set_gpio(int port, int bit) {
+	if (port == 0 && (1 << bit) & (PORT0_JTAG_REGS)) {
+		vuint32_t *_ioconf = &lpc_ioconf.pio0_0 + ((port)*24+(bit));
+
+		*_ioconf = (*_ioconf & ~LPC_IOCONF_FUNC_MASK) | LPC_IOCONF_FUNC_PIO0_11;
+	}
+}
+
+#define ao_enable_output(port,bit,v) do {			\
 		ao_enable_port(port);				\
-		ao_gpio_set(port, bit, pin, v);			\
+		lpc_set_gpio(port,bit);				\
+		ao_gpio_set(port, bit, v);			\
 		lpc_gpio.dir[port] |= (1 << bit);		\
 	} while (0)
 
-#define ao_enable_input(port,bit,mode) do {				\
+#define ao_gpio_set_mode(port,bit,mode) do {				\
 		vuint32_t *_ioconf = &lpc_ioconf.pio0_0 + ((port)*24+(bit)); \
 		vuint32_t _mode;					\
-		ao_enable_port(port);					\
-		lpc_gpio.dir[port] &= ~(1 << bit);			\
 		if (mode == AO_EXTI_MODE_PULL_UP)			\
 			_mode = LPC_IOCONF_MODE_PULL_UP << LPC_IOCONF_MODE; \
 		else if (mode == AO_EXTI_MODE_PULL_DOWN)		\
@@ -51,6 +62,13 @@
 			    (1 << LPC_IOCONF_ADMODE));			\
 	} while (0)
 
+#define ao_enable_input(port,bit,mode) do {				\
+		ao_enable_port(port);					\
+		lpc_set_gpio(port,bit);					\
+		lpc_gpio.dir[port] &= ~(1UL << bit);			\
+		ao_gpio_set_mode(port,bit,mode);			\
+	} while (0)
+
 #define lpc_token_paster_2(x,y)		x ## y
 #define lpc_token_evaluator_2(x,y)	lpc_token_paster_2(x,y)
 #define lpc_token_paster_3(x,y,z)	x ## y ## z
@@ -61,12 +79,10 @@
 #define analog_func(id)			lpc_token_evaluator_2(LPC_IOCONF_FUNC_AD,id)
 
 #define ao_enable_analog(port,bit,id) do {				\
-		uint32_t _mode;						\
 		ao_enable_port(port);					\
-		lpc_gpio.dir[port] &= ~(1 << bit);			\
-		_mode = ((analog_func(id) << LPC_IOCONF_FUNC) |		\
-			 (0 << LPC_IOCONF_ADMODE));			\
-		lpc_ioconf.analog_reg(port,bit) = _mode;		\
+		lpc_gpio.dir[port] &= ~(1UL << bit);			\
+		lpc_ioconf.analog_reg(port,bit) = ((analog_func(id) << LPC_IOCONF_FUNC) | \
+						   (0 << LPC_IOCONF_ADMODE)); \
 	} while (0)
 	
 #define ARM_PUSH32(stack, val)	(*(--(stack)) = (val))
@@ -85,14 +101,14 @@ ao_arch_irqrestore(uint32_t primask) {
 }
 
 static inline void
-ao_arch_memory_barrier() {
+ao_arch_memory_barrier(void) {
 	asm volatile("" ::: "memory");
 }
 
+#if HAS_TASK
 static inline void
-ao_arch_init_stack(struct ao_task *task, void *start)
+ao_arch_init_stack(struct ao_task *task, uint32_t *sp, void *start)
 {
-	uint32_t	*sp = (uint32_t *) (task->stack + AO_STACK_SIZE);
 	uint32_t	a = (uint32_t) start;
 	int		i;
 
@@ -110,7 +126,7 @@ ao_arch_init_stack(struct ao_task *task, void *start)
 	/* PRIMASK with interrupts enabled */
 	ARM_PUSH32(sp, 0);
 
-	task->sp = sp;
+	task->sp32 = sp;
 }
 
 static inline void ao_arch_save_regs(void) {
@@ -129,17 +145,14 @@ static inline void ao_arch_save_regs(void) {
 static inline void ao_arch_save_stack(void) {
 	uint32_t	*sp;
 	asm("mov %0,sp" : "=&r" (sp) );
-	ao_cur_task->sp = (sp);
-	if ((uint8_t *) sp < &ao_cur_task->stack[0])
+	ao_cur_task->sp32 = (sp);
+	if (sp < &ao_cur_task->stack32[0])
 		ao_panic (AO_PANIC_STACK);
 }
 
 static inline void ao_arch_restore_stack(void) {
-	uint32_t	sp;
-	sp = (uint32_t) ao_cur_task->sp;
-
 	/* Switch stacks */
-	asm("mov sp, %0" : : "r" (sp) );
+	asm("mov sp, %0" : : "r" (ao_cur_task->sp32) );
 
 	/* Restore PRIMASK */
 	asm("pop {r0}");
@@ -155,16 +168,19 @@ static inline void ao_arch_restore_stack(void) {
 
 #define ao_arch_isr_stack()
 
-#define ao_arch_wait_interrupt() do {			\
-		asm(".global ao_idle_loc\n\twfi\nao_idle_loc:");	\
-		ao_arch_release_interrupts();				\
-		ao_arch_block_interrupts();				\
-	} while (0)
+#endif /* HAS_TASK */
 
-#define ao_arch_critical(b) do {				\
-		ao_arch_block_interrupts();			\
-		do { b } while (0);				\
+#define ao_arch_wait_interrupt() do {				\
+		asm("\twfi\n");					\
 		ao_arch_release_interrupts();			\
+		asm(".global ao_idle_loc\n\nao_idle_loc:");	\
+		ao_arch_block_interrupts();			\
+	} while (0)
+
+#define ao_arch_critical(b) do {			\
+		uint32_t __mask = ao_arch_irqsave();	\
+		do { b } while (0);			\
+		ao_arch_irqrestore(__mask);		\
 	} while (0)
 
 /*
@@ -184,8 +200,8 @@ static inline void ao_arch_restore_stack(void) {
 		ao_spi_put(bus);		\
 	} while (0)
 
-#define ao_spi_get_bit(reg,bit,pin,bus,speed) ao_spi_get_mask(reg,(1<<bit),bus,speed)
-#define ao_spi_put_bit(reg,bit,pin,bus) ao_spi_put_mask(reg,(1<<bit),bus)
+#define ao_spi_get_bit(reg,bit,bus,speed) ao_spi_get_mask(reg,(1<<bit),bus,speed)
+#define ao_spi_put_bit(reg,bit,bus) ao_spi_put_mask(reg,(1<<bit),bus)
 
 void
 ao_spi_get(uint8_t spi_index, uint32_t speed);
@@ -194,7 +210,7 @@ void
 ao_spi_put(uint8_t spi_index);
 
 void
-ao_spi_send(void *block, uint16_t len, uint8_t spi_index);
+ao_spi_send(const void *block, uint16_t len, uint8_t spi_index);
 
 void
 ao_spi_send_fixed(uint8_t value, uint16_t len, uint8_t spi_index);
@@ -203,21 +219,44 @@ void
 ao_spi_recv(void *block, uint16_t len, uint8_t spi_index);
 
 void
-ao_spi_duplex(void *out, void *in, uint16_t len, uint8_t spi_index);
-
-extern uint16_t	ao_spi_speed[LPC_NUM_SPI];
+ao_spi_duplex(const void *out, void *in, uint16_t len, uint8_t spi_index);
 
 void
 ao_spi_init(void);
 
+static inline void
+ao_spi_send_sync(const void *block, uint16_t len, uint8_t spi_index)
+{
+	ao_spi_send(block, len, spi_index);
+}
+
+static inline void ao_spi_send_byte(uint8_t byte, uint8_t spi_index)
+{
+	struct lpc_ssp	*lpc_ssp;
+	switch (spi_index) {
+	case 0:
+		lpc_ssp = &lpc_ssp0;
+		break;
+	case 1:
+		lpc_ssp = &lpc_ssp1;
+		break;
+	}
+	lpc_ssp->dr = byte;
+	while ((lpc_ssp->sr & (1 << LPC_SSP_SR_RNE)) == 0);
+	(void) lpc_ssp->dr;
+}
+
 #define ao_spi_init_cs(port, mask) do {					\
 		uint8_t __bit__;					\
 		for (__bit__ = 0; __bit__ < 32; __bit__++) {		\
 			if (mask & (1 << __bit__))			\
-				ao_enable_output(port, __bit__, PIN, 1); \
+				ao_enable_output(port, __bit__, 1); \
 		}							\
 	} while (0)
 
+void
+ao_debug_out(char c);
+
 #define HAS_ARCH_START_SCHEDULER	1
 
 static inline void ao_arch_start_scheduler(void) {
@@ -229,6 +268,9 @@ static inline void ao_arch_start_scheduler(void) {
 	asm("mrs %0,control" : "=&r" (control));
 	control |= (1 << 1);
 	asm("msr control,%0" : : "r" (control));
+	asm("isb");
 }
 
+void start(void);
+
 #endif /* _AO_ARCH_FUNCS_H_ */