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path: root/recipes/linux/linux-2.6.18/renumber-usart-devices.patch
blob: 74f59916e492e367804d2333da952a2ac2cbd397 (plain)
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---
 arch/avr32/boards/atstk1000/atstk1002.c |   12 ++++++++++++
 arch/avr32/kernel/setup.c               |    1 +
 arch/avr32/mach-at32ap/at32ap.c         |    3 ---
 arch/avr32/mach-at32ap/at32ap7000.c     |   31 ++++++++++++++++++++++++-------
 drivers/serial/atmel_usart.c            |   24 ++++++++++++++++++------
 include/asm-avr32/arch-at32ap/board.h   |    7 ++++---
 include/asm-avr32/arch-at32ap/init.h    |    3 +--
 7 files changed, 60 insertions(+), 21 deletions(-)

Index: linux-2.6.18-avr32/arch/avr32/boards/atstk1000/atstk1002.c
===================================================================
--- linux-2.6.18-avr32.orig/arch/avr32/boards/atstk1000/atstk1002.c	2006-09-13 14:30:31.000000000 +0200
+++ linux-2.6.18-avr32/arch/avr32/boards/atstk1000/atstk1002.c	2006-09-13 14:50:59.000000000 +0200
@@ -14,6 +14,7 @@
 
 #include <asm/setup.h>
 #include <asm/arch/board.h>
+#include <asm/arch/init.h>
 
 static struct eth_platform_data __initdata eth_data[2];
 
@@ -34,6 +34,17 @@ struct platform_device flash_device = {
 }
 __tagtable(ATAG_ETHERNET, parse_tag_ethernet);
 
+struct platform_device *at32_usart_map[3];
+unsigned int at32_nr_usarts = 3;
+
+void __init setup_board(void)
+{
+	/* These need to be in place before initializing the console */
+	at32_usart_map[0] = at32_get_usart(1);
+	at32_usart_map[1] = at32_get_usart(2);
+	at32_usart_map[2] = at32_get_usart(3);
+}
+
 static int __init atstk1002_init(void)
 {
 	at32_add_system_devices();
Index: linux-2.6.18-avr32/arch/avr32/kernel/setup.c
===================================================================
--- linux-2.6.18-avr32.orig/arch/avr32/kernel/setup.c	2006-09-13 14:42:11.000000000 +0200
+++ linux-2.6.18-avr32/arch/avr32/kernel/setup.c	2006-09-13 14:43:36.000000000 +0200
@@ -268,6 +268,7 @@ void __init setup_arch (char **cmdline_p
 
 	setup_processor();
 	setup_platform();
+	setup_board();
 
 	cpu_clk = clk_get(NULL, "cpu");
 	if (IS_ERR(cpu_clk)) {
Index: linux-2.6.18-avr32/arch/avr32/mach-at32ap/at32ap.c
===================================================================
--- linux-2.6.18-avr32.orig/arch/avr32/mach-at32ap/at32ap.c	2006-09-13 14:38:24.000000000 +0200
+++ linux-2.6.18-avr32/arch/avr32/mach-at32ap/at32ap.c	2006-09-13 14:38:28.000000000 +0200
@@ -48,9 +48,6 @@ void __init setup_platform(void)
 	at32_sm_init();
 	at32_clock_init();
 	at32_portmux_init();
-
-	/* FIXME: This doesn't belong here */
-	at32_setup_serial_console(1);
 }
 
 static int __init pdc_probe(struct platform_device *pdev)
Index: linux-2.6.18-avr32/arch/avr32/mach-at32ap/at32ap7000.c
===================================================================
--- linux-2.6.18-avr32.orig/arch/avr32/mach-at32ap/at32ap7000.c	2006-09-13 13:40:02.000000000 +0200
+++ linux-2.6.18-avr32/arch/avr32/mach-at32ap/at32ap7000.c	2006-09-13 14:39:08.000000000 +0200
@@ -543,6 +543,30 @@ static struct resource usart3_resource[]
 DEFINE_DEV(usart, 3);
 DEV_CLK(usart, usart3, pba, 6);
 
+struct platform_device *at32_get_usart(unsigned int id)
+{
+	struct platform_device *pdev;
+
+	switch (id) {
+	case 0:
+		pdev = &usart0_device;
+		break;
+	case 1:
+		pdev = &usart1_device;
+		break;
+	case 2:
+		pdev = &usart2_device;
+		break;
+	case 3:
+		pdev = &usart3_device;
+		break;
+	default:
+		return NULL;
+	}
+
+	return pdev;
+}
+
 static inline void configure_usart0_pins(void)
 {
 	select_peripheral(PA(8), PERIPH_B, 0);	/* RXD	*/
@@ -607,13 +607,6 @@ struct platform_device *__init at32_add_
 	return pdev;
 }
 
-struct platform_device *at91_default_console_device;
-
-void __init at32_setup_serial_console(unsigned int usart_id)
-{
-	at91_default_console_device = setup_usart(usart_id);
-}
-
 /* --------------------------------------------------------------------
  *  Ethernet
  * -------------------------------------------------------------------- */
Index: linux-2.6.18-avr32/drivers/serial/atmel_usart.c
===================================================================
--- linux-2.6.18-avr32.orig/drivers/serial/atmel_usart.c	2006-09-13 14:30:42.000000000 +0200
+++ linux-2.6.18-avr32/drivers/serial/atmel_usart.c	2006-09-13 14:48:47.000000000 +0200
@@ -773,7 +773,8 @@ static struct uart_ops usart3_pops = {
 };
 
 static int __devinit initialize_port(struct usart3_port *up,
-				      struct platform_device *pdev)
+				     struct platform_device *pdev,
+				     unsigned int line)
 {
 	struct uart_port *port = &up->uart;
 	struct resource *regs;
@@ -797,7 +798,7 @@ static int __devinit initialize_port(str
 	port->iotype = SERIAL_IO_MEM;
 	port->flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP;
 	port->ops = &usart3_pops;
-	port->line = pdev->id;
+	port->line = line;
 	port->dev = &pdev->dev;
 
 	return 0;
@@ -877,15 +878,17 @@ static int __init usart3_console_setup(s
 		       console->index);
 		return -ENODEV;
 	}
+	if (console->index >= at32_nr_usarts)
+		return -ENXIO;
 
-	pdev = at91_default_console_device;
+	pdev = at32_usart_map[console->index];
 	if (!pdev)
 		return -ENXIO;
 
 	up = &usart3_ports[console->index];
 	port = &up->uart;
 
-	ret = initialize_port(up, pdev);
+	ret = initialize_port(up, pdev, console->index);
 	if (ret)
 		return ret;
 
@@ -978,6 +981,7 @@ static int usart3_serial_resume(struct p
 static int __devinit usart3_serial_probe(struct platform_device *pdev)
 {
 	struct usart3_port *up;
+	int line;
 	int ret;
 
 	if (pdev->id >= NR_PORTS) {
@@ -987,14 +991,22 @@ static int __devinit usart3_serial_probe
 		return -ENOMEM;
 	}
 
-	up = &usart3_ports[pdev->id];
+	for (line = 0; line < at32_nr_usarts; line++) {
+		if (at32_usart_map[line]->id == pdev->id)
+			break;
+	}
+
+	if (line >= at32_nr_usarts)
+		return -ENXIO;
+
+	up = &usart3_ports[line];
 
 	/*
 	 * If the port has already been set up as a console, we
 	 * shouldn't enable it again.
 	 */
 	if (!up->uart.uartclk) {
-		ret = initialize_port(up, pdev);
+		ret = initialize_port(up, pdev, line);
 		if (ret)
 			goto out;
 	}
Index: linux-2.6.18-avr32/include/asm-avr32/arch-at32ap/board.h
===================================================================
--- linux-2.6.18-avr32.orig/include/asm-avr32/arch-at32ap/board.h	2006-09-13 14:30:13.000000000 +0200
+++ linux-2.6.18-avr32/include/asm-avr32/arch-at32ap/board.h	2006-09-13 15:19:56.000000000 +0200
@@ -9,11 +9,12 @@ struct flash_platform_data {
 /* Add basic devices: system manager, interrupt controller, portmuxes, etc. */
 void at32_add_system_devices(void);
 
-#define AT91_NR_UART	4
-extern struct platform_device *at91_default_console_device;
-
+struct platform_device *at32_get_usart(unsigned int id);
 struct platform_device *at32_add_device_usart(unsigned int id);
 
+extern struct platform_device *at32_usart_map[];
+extern unsigned int at32_nr_usarts;
+
 struct eth_platform_data {
 	u8	valid;
 	u8	mii_phy_addr;
Index: linux-2.6.18-avr32/include/asm-avr32/arch-at32ap/init.h
===================================================================
--- linux-2.6.18-avr32.orig/include/asm-avr32/arch-at32ap/init.h	2006-09-13 13:43:20.000000000 +0200
+++ linux-2.6.18-avr32/include/asm-avr32/arch-at32ap/init.h	2006-09-13 14:50:26.000000000 +0200
@@ -11,11 +11,10 @@
 #define __ASM_AVR32_AT32AP_INIT_H__
 
 void setup_platform(void);
+void setup_board(void);
 
 /* Called by setup_platform */
 void at32_clock_init(void);
 void at32_portmux_init(void);
 
-void at32_setup_serial_console(unsigned int usart_id);
-
 #endif /* __ASM_AVR32_AT32AP_INIT_H__ */