X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Flpc%2Fao_arch_funcs.h;h=1368f7e5e883ad4b8c94adf626d9d85db7657b67;hb=efc2c093819b3ec2e5743126efb76d3a9c0ad231;hp=0891903ea5f00cb2adae5dbf57506fcdcb81a5c5;hpb=488a527267decece48e6682e0e0c7fc29cbed329;p=fw%2Faltos

diff --git a/src/lpc/ao_arch_funcs.h b/src/lpc/ao_arch_funcs.h
index 0891903e..1368f7e5 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
@@ -18,21 +19,32 @@
 #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 &= ~(1 << 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)
 
@@ -52,6 +64,7 @@
 
 #define ao_enable_input(port,bit,mode) do {				\
 		ao_enable_port(port);					\
+		lpc_set_gpio(port,bit);					\
 		lpc_gpio.dir[port] &= ~(1 << bit);			\
 		ao_gpio_set_mode(port,bit,mode);			\
 	} while (0)
@@ -88,7 +101,7 @@ ao_arch_irqrestore(uint32_t primask) {
 }
 
 static inline void
-ao_arch_memory_barrier() {
+ao_arch_memory_barrier(void) {
 	asm volatile("" ::: "memory");
 }
 
@@ -96,7 +109,7 @@ ao_arch_memory_barrier() {
 static inline void
 ao_arch_init_stack(struct ao_task *task, void *start)
 {
-	uint32_t	*sp = (uint32_t *) (task->stack + AO_STACK_SIZE);
+	uint32_t	*sp = &task->stack32[AO_STACK_SIZE >> 2];
 	uint32_t	a = (uint32_t) start;
 	int		i;
 
@@ -114,7 +127,7 @@ 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) {
@@ -133,17 +146,14 @@ 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}");
@@ -161,16 +171,17 @@ static inline void ao_arch_restore_stack(void) {
 
 #endif /* HAS_TASK */
 
-#define ao_arch_wait_interrupt() do {			\
-		asm(".global ao_idle_loc\n\twfi\nao_idle_loc:");	\
-		ao_arch_release_interrupts();				\
-		ao_arch_block_interrupts();				\
+#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 {				\
-		ao_arch_block_interrupts();			\
-		do { b } while (0);				\
-		ao_arch_release_interrupts();			\
+#define ao_arch_critical(b) do {			\
+		uint32_t __mask = ao_arch_irqsave();	\
+		do { b } while (0);			\
+		ao_arch_irqrestore(__mask);		\
 	} while (0)
 
 /*
@@ -190,8 +201,8 @@ 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);
@@ -200,7 +211,7 @@ 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);
@@ -209,21 +220,44 @@ 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) {
@@ -238,4 +272,6 @@ static inline void ao_arch_start_scheduler(void) {
 	asm("isb");
 }
 
+void start(void);
+
 #endif /* _AO_ARCH_FUNCS_H_ */