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Commit c20b4dd3 authored by Christian Glindkamp's avatar Christian Glindkamp Committed by Nicolas Ferre
Browse files

at91: Refactor Stamp9G20 and PControl G20 board file 



As PControl G20 is a carrier board for the Stamp9G20 SoM, some code can
be shared. Therefore board-stamp9g20.c is refactored to allow reusing the
SoM initialization and board-pcontrol-g20.c is modified to use it.

Signed-off-by: default avatarChristian Glindkamp <christian.glindkamp@taskit.de>
Signed-off-by: default avatarNicolas Ferre <nicolas.ferre@atmel.com>
parent 8251544f

arch/arm/mach-at91/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -65,7 +65,7 @@ obj-$(CONFIG_MACH_AT91SAM9G20EK) += board-sam9g20ek.o 
obj-$(CONFIG_MACH_CPU9G20)	+= board-cpu9krea.o

obj-$(CONFIG_MACH_STAMP9G20)	+= board-stamp9g20.o

obj-$(CONFIG_MACH_PORTUXG20)	+= board-stamp9g20.o

obj-$(CONFIG_MACH_PCONTROL_G20)	+= board-pcontrol-g20.o

obj-$(CONFIG_MACH_PCONTROL_G20)	+= board-pcontrol-g20.o board-stamp9g20.o



# AT91SAM9260/AT91SAM9G20 board-specific support

obj-$(CONFIG_MACH_SNAPPER_9260)	+= board-snapper9260.o

arch/arm/mach-at91/board-pcontrol-g20.c

+3 −95
Original line number Diff line number Diff line
@@ -31,6 +31,7 @@ 


#include <mach/board.h>

#include <mach/at91sam9_smc.h>

#include <mach/stamp9g20.h>



#include "sam9_smc.h"

#include "generic.h"
@@ -38,11 +39,7 @@ 


static void __init pcontrol_g20_map_io(void)

{

	/* Initialize processor: 18.432 MHz crystal */

	at91sam9260_initialize(18432000);



	/* DGBU on ttyS0. (Rx, Tx) only TTL -> JTAG connector X7 17,19 ) */

	at91_register_uart(0, 0, 0);

	stamp9g20_map_io();



	/* USART0 on ttyS1. (Rx, Tx, CTS, RTS) piggyback  A2 */

	at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS
@@ -54,9 +51,6 @@ static void __init pcontrol_g20_map_io(void) 


	/* USART2 on ttyS3. (Rx, Tx)  9bit-Bus  Multidrop-mode  X4 */

	at91_register_uart(AT91SAM9260_ID_US4, 3, 0);



	/* set serial console to ttyS0 (ie, DBGU) */

	at91_set_serial_console(0);

}
@@ -66,38 +60,6 @@ static void __init init_irq(void) 
}





/*

 * NAND flash 512MiB 1,8V 8-bit, sector size 128 KiB

 */

static struct atmel_nand_data __initdata nand_data = {

	.ale		= 21,

	.cle		= 22,

	.rdy_pin	= AT91_PIN_PC13,

	.enable_pin	= AT91_PIN_PC14,

};



/*

 * Bus timings; unit = 7.57ns

 */

static struct sam9_smc_config __initdata nand_smc_config = {

	.ncs_read_setup		= 0,

	.nrd_setup		= 2,

	.ncs_write_setup	= 0,

	.nwe_setup		= 2,



	.ncs_read_pulse		= 4,

	.nrd_pulse		= 4,

	.ncs_write_pulse	= 4,

	.nwe_pulse		= 4,



	.read_cycle		= 7,

	.write_cycle		= 7,



	.mode			= AT91_SMC_READMODE | AT91_SMC_WRITEMODE

			| AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,

	.tdf_cycles		= 3,

};



static struct sam9_smc_config __initdata pcontrol_smc_config[2] = { {

	.ncs_read_setup		= 16,

	.nrd_setup		= 18,
@@ -138,14 +100,6 @@ static struct sam9_smc_config __initdata pcontrol_smc_config[2] = { { 
	.tdf_cycles		= 1,

} };



static void __init add_device_nand(void)

{

	/* configure chip-select 3 (NAND) */

	sam9_smc_configure(3, &nand_smc_config);

	at91_add_device_nand(&nand_data);

}





static void __init add_device_pcontrol(void)

{

	/* configure chip-select 4 (IO compatible to 8051  X4 ) */
@@ -155,23 +109,6 @@ static void __init add_device_pcontrol(void) 
}





/*

 * MCI (SD/MMC)

 * det_pin, wp_pin and vcc_pin are not connected

 */

#if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)

static struct mci_platform_data __initdata mmc_data = {

	.slot[0] = {

		.bus_width	= 4,

	},

};

#else

static struct at91_mmc_data __initdata mmc_data = {

	.wire4		= 1,

};

#endif





/*

 * USB Host port

 */
@@ -265,42 +202,13 @@ static struct spi_board_info pcontrol_g20_spi_devices[] = { 
};





/*

 * Dallas 1-Wire  DS2431

 */

static struct w1_gpio_platform_data w1_gpio_pdata = {

	.pin		= AT91_PIN_PA29,

	.is_open_drain	= 1,

};



static struct platform_device w1_device = {

	.name			= "w1-gpio",

	.id			= -1,

	.dev.platform_data	= &w1_gpio_pdata,

};



static void add_wire1(void)

{

	at91_set_GPIO_periph(w1_gpio_pdata.pin, 1);

	at91_set_multi_drive(w1_gpio_pdata.pin, 1);

	platform_device_register(&w1_device);

}





static void __init pcontrol_g20_board_init(void)

{

	at91_add_device_serial();

	add_device_nand();

#if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)

	at91_add_device_mci(0, &mmc_data);

#else

	at91_add_device_mmc(0, &mmc_data);

#endif

	stamp9g20_board_init();

	at91_add_device_usbh(&usbh_data);

	at91_add_device_eth(&macb_data);

	at91_add_device_i2c(pcontrol_g20_i2c_devices,

		ARRAY_SIZE(pcontrol_g20_i2c_devices));

	add_wire1();

	add_device_pcontrol();

	at91_add_device_spi(pcontrol_g20_spi_devices,

		ARRAY_SIZE(pcontrol_g20_spi_devices));

arch/arm/mach-at91/board-stamp9g20.c

+43 −39
Original line number Diff line number Diff line
@@ -32,7 +32,7 @@ 
#include "generic.h"





static void __init portuxg20_map_io(void)

void __init stamp9g20_map_io(void)

{

	/* Initialize processor: 18.432 MHz crystal */

	at91sam9260_initialize(18432000);
@@ -40,6 +40,24 @@ static void __init portuxg20_map_io(void) 
	/* DGBU on ttyS0. (Rx & Tx only) */

	at91_register_uart(0, 0, 0);



	/* set serial console to ttyS0 (ie, DBGU) */

	at91_set_serial_console(0);

}



static void __init stamp9g20evb_map_io(void)

{

	stamp9g20_map_io();



	/* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */

	at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS

						| ATMEL_UART_DTR | ATMEL_UART_DSR

						| ATMEL_UART_DCD | ATMEL_UART_RI);

}



static void __init portuxg20_map_io(void)

{

	stamp9g20_map_io();



	/* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */

	at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS

						| ATMEL_UART_DTR | ATMEL_UART_DSR
@@ -56,26 +74,6 @@ static void __init portuxg20_map_io(void) 


	/* USART5 on ttyS6. (Rx, Tx only) */

	at91_register_uart(AT91SAM9260_ID_US5, 6, 0);



	/* set serial console to ttyS0 (ie, DBGU) */

	at91_set_serial_console(0);

}



static void __init stamp9g20_map_io(void)

{

	/* Initialize processor: 18.432 MHz crystal */

	at91sam9260_initialize(18432000);



	/* DGBU on ttyS0. (Rx & Tx only) */

	at91_register_uart(0, 0, 0);



	/* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */

	at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS

						| ATMEL_UART_DTR | ATMEL_UART_DSR

						| ATMEL_UART_DCD | ATMEL_UART_RI);



	/* set serial console to ttyS0 (ie, DBGU) */

	at91_set_serial_console(0);

}



static void __init init_irq(void)
@@ -156,7 +154,7 @@ static struct at91_udc_data __initdata portuxg20_udc_data = { 
	.pullup_pin	= 0,		/* pull-up driven by UDC */

};



static struct at91_udc_data __initdata stamp9g20_udc_data = {

static struct at91_udc_data __initdata stamp9g20evb_udc_data = {

	.vbus_pin	= AT91_PIN_PA22,

	.pullup_pin	= 0,		/* pull-up driven by UDC */

};
@@ -190,7 +188,7 @@ static struct gpio_led portuxg20_leds[] = { 
	}

};



static struct gpio_led stamp9g20_leds[] = {

static struct gpio_led stamp9g20evb_leds[] = {

	{

		.name			= "D8",

		.gpio			= AT91_PIN_PB18,
@@ -250,7 +248,7 @@ void add_w1(void) 
}





static void __init generic_board_init(void)

void __init stamp9g20_board_init(void)

{

	/* Serial */

	at91_add_device_serial();
@@ -262,34 +260,40 @@ static void __init generic_board_init(void) 
#else

	at91_add_device_mmc(0, &mmc_data);

#endif

	/* USB Host */

	at91_add_device_usbh(&usbh_data);

	/* Ethernet */

	at91_add_device_eth(&macb_data);

	/* I2C */

	at91_add_device_i2c(NULL, 0);

	/* W1 */

	add_w1();

}



static void __init portuxg20_board_init(void)

{

	generic_board_init();

	/* SPI */

	at91_add_device_spi(portuxg20_spi_devices, ARRAY_SIZE(portuxg20_spi_devices));

	stamp9g20_board_init();

	/* USB Host */

	at91_add_device_usbh(&usbh_data);

	/* USB Device */

	at91_add_device_udc(&portuxg20_udc_data);

	/* Ethernet */

	at91_add_device_eth(&macb_data);

	/* I2C */

	at91_add_device_i2c(NULL, 0);

	/* SPI */

	at91_add_device_spi(portuxg20_spi_devices, ARRAY_SIZE(portuxg20_spi_devices));

	/* LEDs */

	at91_gpio_leds(portuxg20_leds, ARRAY_SIZE(portuxg20_leds));

}



static void __init stamp9g20_board_init(void)

static void __init stamp9g20evb_board_init(void)

{

	generic_board_init();

	stamp9g20_board_init();

	/* USB Host */

	at91_add_device_usbh(&usbh_data);

	/* USB Device */

	at91_add_device_udc(&stamp9g20_udc_data);

	at91_add_device_udc(&stamp9g20evb_udc_data);

	/* Ethernet */

	at91_add_device_eth(&macb_data);

	/* I2C */

	at91_add_device_i2c(NULL, 0);

	/* LEDs */

	at91_gpio_leds(stamp9g20_leds, ARRAY_SIZE(stamp9g20_leds));

	at91_gpio_leds(stamp9g20evb_leds, ARRAY_SIZE(stamp9g20evb_leds));

}



MACHINE_START(PORTUXG20, "taskit PortuxG20")
@@ -305,7 +309,7 @@ MACHINE_START(STAMP9G20, "taskit Stamp9G20") 
	/* Maintainer: taskit GmbH */

	.boot_params	= AT91_SDRAM_BASE + 0x100,

	.timer		= &at91sam926x_timer,

	.map_io		= stamp9g20_map_io,

	.map_io		= stamp9g20evb_map_io,

	.init_irq	= init_irq,

	.init_machine	= stamp9g20_board_init,

	.init_machine	= stamp9g20evb_board_init,

MACHINE_END

arch/arm/mach-at91/include/mach/stamp9g20.h

0 → 100644
+7 −0
Original line number Diff line number Diff line 
#ifndef __MACH_STAMP9G20_H

#define __MACH_STAMP9G20_H



void stamp9g20_map_io(void);

void stamp9g20_board_init(void);



#endif