improvements in: omap4 OPP, omap4 usb booting and archosg9

index 469c716..8f49aa3 100644
@@ -307,7 +307,9 @@ struct dpll_param {
 #define OMAP4_MPU_DPLL_PARAM_38M4_MPU600	{0x7d, 0x07, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00}
 #define OMAP4_MPU_DPLL_PARAM_38M4_MPU1000	{0x69, 0x03, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00}
 /* dpll locked at 1840 MHz MPU clk at 920 MHz(OPP Turbo 4460) - DCC OFF */
-#define OMAP4_MPU_DPLL_PARAM_19M2_MPU920	{0x23F, 0x11, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00}
+#define OMAP4_MPU_DPLL_PARAM_19M2_MPU920	{0x30, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00}
+#define OMAP4_MPU_DPLL_PARAM_19M2_MPU1200	{0x7d, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00}
+#define OMAP4_MPU_DPLL_PARAM_19M2_MPU1500	{0x4e, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00}
 
 #define OMAP4_IVA_DPLL_PARAM_19M2		{0x61, 0x01, 0x00, 0x00, 0x04, 0x07, 0x00, 0x00}
 #define OMAP4_IVA_DPLL_PARAM_38M4		{0x61, 0x03, 0x00, 0x00, 0x04, 0x07, 0x00, 0x00}

@@ -321,11 +323,11 @@ struct dpll_param {
 #define OMAP4_USB_DPLL_PARAM_19M2		{0x32, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0}
 #define OMAP4_USB_DPLL_PARAM_38M4		{0x32, 0x1, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0}
 
-#define OMAP4_CORE_DPLL_PARAM_19M2_DDR200	{0x7d, 0x02, 0x02, 0x05, 0x08, 0x04, 0x06, 0x05}
+#define OMAP4_CORE_DPLL_PARAM_19M2_DDR200	{0x7d, 0x02, 0x02, 0x05, 0x08, 0x04, 0x06, 0x06}
 #define OMAP4_CORE_DPLL_PARAM_19M2_DDR333	{0x410,	0x09, 0x03, 0x0c, 0x14, 0x0a, 0x0f, 0x0c}
-#define OMAP4_CORE_DPLL_PARAM_19M2_DDR400	{0x7d, 0x02, 0x01, 0x05, 0x08, 0x04, 0x06, 0x05}
-#define OMAP4_CORE_DPLL_PARAM_38M4_DDR200	{0x7d, 0x05, 0x02, 0x05, 0x08, 0x04, 0x06, 0x05}
-#define OMAP4_CORE_DPLL_PARAM_38M4_DDR400	{0x7d, 0x05, 0x01, 0x05, 0x08, 0x04, 0x06, 0x05}
+#define OMAP4_CORE_DPLL_PARAM_19M2_DDR400	{0x7d, 0x02, 0x01, 0x05, 0x08, 0x04, 0x06, 0x06}
+#define OMAP4_CORE_DPLL_PARAM_38M4_DDR200	{0x7d, 0x05, 0x02, 0x05, 0x08, 0x04, 0x06, 0x06}
+#define OMAP4_CORE_DPLL_PARAM_38M4_DDR400	{0x7d, 0x05, 0x01, 0x05, 0x08, 0x04, 0x06, 0x06}
 
 void omap4_configure_mpu_dpll(const struct dpll_param *dpll_param);
 void omap4_configure_iva_dpll(const struct dpll_param *dpll_param);

index a276c29..9d8e2a6 100644
@@ -41,10 +41,17 @@
 #define host_print(fmt, arg...)	printf(FORMAT fmt FORMAT, \
 					HOST_FORMAT, ##arg, TARGET_FORMAT)
 
+void panic(struct termios *t_restore)
+{
+	tcsetattr(STDIN_FILENO, TCSANOW, t_restore);
+	printf(FORMAT, HOST_FORMAT);
+	exit(1);
+}
+
 struct thread_vars {
 	struct usb_handle *usb;
-	int hide;
-	struct termios to;
+	pthread_mutex_t usb_mutex;
+	struct termios t_restore;
 };
 
 void *listenerTask(void *argument)

@@ -55,13 +62,12 @@ void *listenerTask(void *argument)
 		c = getchar();
 		if (c == EOF)
 			return NULL;
-		while (vars->hide)
-			usleep(10000);
+		pthread_mutex_lock(&vars->usb_mutex);
 		if (usb_write(vars->usb, &c, 4) != 4) {
 			host_print("could not send '%c' to target\n", c);
-			tcsetattr(STDIN_FILENO, TCSANOW, &vars->to);
-			exit(1);
+			panic(&vars->t_restore);
 		}
+		pthread_mutex_unlock(&vars->usb_mutex);
 	}
 	return NULL;
 }

@@ -168,8 +174,8 @@ struct file_data {
 	void *data;
 };
 
-int process_file(
-	struct usb_handle *usb, const char *rootfs, struct file_data *fd_vector)
+int process_file(struct usb_handle *usb, const char *rootfs,
+	struct file_data *fd_vector, struct termios *t_restore)
 {
 	uint32_t i, j, pos, size;
 	struct stat s;

@@ -178,7 +184,7 @@ int process_file(
 
 	if (usb_read(usb, &i, 4) != 4) {
 		host_print("USB error\n");
-		exit(1);
+		panic(t_restore);
 	}
 	ret = 0;
 	switch (i) {

@@ -188,7 +194,7 @@ int process_file(
 		for (;; j++) {
 			if (usb_read(usb, &i, 4) != 4) {
 				host_print("USB error\n");
-				exit(1);
+				panic(t_restore);
 			}
 			if (i == USBBOOT_FS_CMD_END) {
 				fname[j] = 0;

@@ -242,13 +248,13 @@ open_ok:
 			usb_write(usb, &size, 4) != 4
 		) {
 			host_print("could not send file size to target\n");
-			exit(1);
+			panic(t_restore);
 		}
 		break;
 	case USBBOOT_FS_CMD_CLOSE:
 		if (usb_read(usb, &i, 4) != 4) {
 			host_print("USB error\n");
-			exit(1);
+			panic(t_restore);
 		}
 		if (i >= MAX_OPEN_FILES || !fd_vector[i].data) {
 			host_print("invalid close index\n");

@@ -257,7 +263,7 @@ open_ok:
 		}
 		if (usb_read(usb, &j, 4) != 4) {
 			host_print("USB error\n");
-			exit(1);
+			panic(t_restore);
 		}
 		if (j != USBBOOT_FS_CMD_END) {
 			host_print("invalid close\n");

@@ -270,7 +276,7 @@ open_ok:
 	case USBBOOT_FS_CMD_READ:
 		if (usb_read(usb, &i, 4) != 4) {
 			host_print("USB error\n");
-			exit(1);
+			panic(t_restore);
 		}
 		if (i >= MAX_OPEN_FILES || !fd_vector[i].data) {
 			host_print("invalid read index\n");

@@ -279,7 +285,7 @@ open_ok:
 		}
 		if (usb_read(usb, &pos, 4) != 4) {
 			host_print("USB error\n");
-			exit(1);
+			panic(t_restore);
 		}
 		if (pos >= fd_vector[i].size) {
 			host_print("invalid read pos\n");

@@ -288,7 +294,7 @@ open_ok:
 		}
 		if (usb_read(usb, &size, 4) != 4) {
 			host_print("USB error\n");
-			exit(1);
+			panic(t_restore);
 		}
 		if (pos+size > fd_vector[i].size) {
 			host_print("invalid read size\n");

@@ -297,7 +303,7 @@ open_ok:
 		}
 		if (usb_read(usb, &j, 4) != 4) {
 			host_print("USB error\n");
-			exit(1);
+			panic(t_restore);
 		}
 		if (j != USBBOOT_FS_CMD_END) {
 			host_print("invalid read\n");

@@ -306,7 +312,7 @@ open_ok:
 		}
 		if (usb_write(usb, fd_vector[i].data+pos, size) != size) {
 			host_print("could not send file to target\n");
-			exit(1);
+			panic(t_restore);
 		}
 		break;
 	case USBBOOT_FS_CMD_END:

@@ -329,38 +335,48 @@ int usb_boot(
 	struct termios tn;
 	struct file_data fd_vector[MAX_OPEN_FILES];
 
-	read_asic_id(usb);
+	if (read_asic_id(usb))
+		return -1;
 
 	printf("sending xload to target...\n");
+	usleep(1000);
 	usb_write(usb, &msg_boot, sizeof(msg_boot));
+	usleep(1000);
 	usb_write(usb, &msg_size, sizeof(msg_size));
+	usleep(1000);
 	usb_write(usb, data, sz);
+	usleep(100000);
 	munmap(data, msg_size);
 	for (i = 0; i < MAX_OPEN_FILES; i++)
 		fd_vector[i].data = NULL;
 
 	vars.usb = usb;
-	vars.hide = 0;
-	tcgetattr(STDIN_FILENO, &vars.to);
-	tn = vars.to;
+	pthread_mutex_init(&vars.usb_mutex, NULL);
+	tcgetattr(STDIN_FILENO, &vars.t_restore);
+	tn = vars.t_restore;
 	tn.c_lflag &= ~(ICANON | ECHO);
 	printf(FORMAT, TARGET_FORMAT);
 	tcsetattr(STDIN_FILENO, TCSANOW, &tn);
 	if (pthread_create(&thread, NULL, listenerTask, &vars))
 		host_print("listenerTask failed\n");
 	for (;;) {
+		usleep(100);
 		if (usb_read(usb, &i, 4) != 4)
 			break;
 		if (i == USBBOOT_FS_MAGIC) {
-			vars.hide = 1;
-			process_file(usb, rootfs, fd_vector);
-			vars.hide = 0;
+			usleep(100);
+			pthread_mutex_lock(&vars.usb_mutex);
+			process_file(usb, rootfs, fd_vector, &vars.t_restore);
+			pthread_mutex_unlock(&vars.usb_mutex);
 			continue;
 		}
 		printf("%c", i);
 		fflush(stdout);
 	}
-	tcsetattr(STDIN_FILENO, TCSANOW, &vars.to);
+	usb_close(usb);
+	pthread_mutex_destroy(&vars.usb_mutex);
+	tcsetattr(STDIN_FILENO, TCSANOW, &vars.t_restore);
+	printf(FORMAT, HOST_FORMAT);
 	return 0;
 }
 

index 43529aa..9a6e0b8 100644
@@ -47,7 +47,7 @@
 
 #include "usb.h"
 
-#define MAX_RETRIES 5
+#define MAX_RETRIES 2
 
 #ifdef TRACE_USB
 #define DBG1(x...) fprintf(stderr, x)

@@ -350,7 +350,7 @@ int usb_read(struct usb_handle *h, void *_data, int len)
 				n, errno, strerror(errno));
 				if (++retry > MAX_RETRIES)
 					return -1;
-				sleep(1);
+				usleep(10000);
 			}
 		} while (n < 0);
 

index 1911c62..200fe92 100644
@@ -58,6 +58,7 @@ static int archosg9_devices_init(void){
 	 * So here there is the hardcoded value
 	 */
 	armlinux_set_architecture(5032);
+	armlinux_set_revision(5);
 
 	return 0;
 }

index d0506bb..0d81359 100644
@@ -39,12 +39,19 @@ static const struct ddr_regs ddr_regs_400_mhz_2cs = {
 static noinline void archosg9_init_lowlevel(void)
 {
 	struct dpll_param core = OMAP4_CORE_DPLL_PARAM_19M2_DDR400;
-	struct dpll_param mpu = OMAP4_MPU_DPLL_PARAM_19M2_MPU600;
+	struct dpll_param mpu = OMAP4_MPU_DPLL_PARAM_19M2_MPU1200;
 	struct dpll_param iva = OMAP4_IVA_DPLL_PARAM_19M2;
 	struct dpll_param per = OMAP4_PER_DPLL_PARAM_19M2;
 	struct dpll_param abe = OMAP4_ABE_DPLL_PARAM_19M2;
 	struct dpll_param usb = OMAP4_USB_DPLL_PARAM_19M2;
 
+	set_muxconf_regs();
+
+	/* Set VCORE1 = 1.3 V, VCORE2 = VCORE3 = 1.21V */
+	omap4_scale_vcores(TPS62361_VSEL0_GPIO);
+
+	/* Enable all clocks */
+	omap4_enable_all_clocks();
 	writel(CM_SYS_CLKSEL_19M2, CM_SYS_CLKSEL);
 
 	/* Configure all DPLL's at 100% OPP */

@@ -54,15 +63,8 @@ static noinline void archosg9_init_lowlevel(void)
 	omap4_configure_abe_dpll(&abe);
 	omap4_configure_usb_dpll(&usb);
 
-	/* Enable all clocks */
-	omap4_enable_all_clocks();
-
-	set_muxconf_regs();
-
 	omap4_ddr_init(&ddr_regs_400_mhz_2cs, &core);
 
-	/* Set VCORE1 = 1.3 V, VCORE2 = VCORE3 = 1.21V */
-	omap4_scale_vcores(TPS62361_VSEL0_GPIO);
 	board_init_lowlevel_return();
 }
 

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