diff options
Diffstat (limited to 'recipes/linux/linux-2.6.18/renumber-usart-devices.patch')
| -rw-r--r-- | recipes/linux/linux-2.6.18/renumber-usart-devices.patch | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/recipes/linux/linux-2.6.18/renumber-usart-devices.patch b/recipes/linux/linux-2.6.18/renumber-usart-devices.patch new file mode 100644 index 0000000000..74f59916e4 --- /dev/null +++ b/recipes/linux/linux-2.6.18/renumber-usart-devices.patch @@ -0,0 +1,228 @@ +--- + 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__ */ |