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at91: USB-A9G20 C01 & C11 board support

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Add support for Calao USB-A9G20 boards. It will be integrated in
existing support for board of same form factor using at91sam9260 or
at91sam9263.

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
This commit is contained in:
Jean-Christophe PLAGNIOL-VILLARD 2011-08-30 18:25:53 +02:00 committed by Nicolas Ferre
parent 6939fd4978
commit 0a072a247f
4 changed files with 133 additions and 26 deletions
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8
arch/arm/mach-at91/Kconfig
View file

@ -386,6 +386,14 @@ config MACH_GSIA18S
This enables support for the GS_IA18_S board
produced by GeoSIG Ltd company. This is an internet accelerograph.
<http://www.geosig.com>
config MACH_USB_A9G20
bool "CALAO USB-A9G20"
depends on ARCH_AT91SAM9G20
help
Select this if you are using a Calao Systems USB-A9G20.
<http://www.calao-systems.com>
endif
if (ARCH_AT91SAM9260 || ARCH_AT91SAM9G20)

1
arch/arm/mach-at91/Makefile
View file

@ -68,6 +68,7 @@ obj-$(CONFIG_MACH_STAMP9G20) += board-stamp9g20.o
obj-$(CONFIG_MACH_PORTUXG20) += board-stamp9g20.o
obj-$(CONFIG_MACH_PCONTROL_G20) += board-pcontrol-g20.o board-stamp9g20.o
obj-$(CONFIG_MACH_GSIA18S) += board-gsia18s.o board-stamp9g20.o
obj-$(CONFIG_MACH_USB_A9G20) += board-usb-a926x.o
# AT91SAM9260/AT91SAM9G20 board-specific support
obj-$(CONFIG_MACH_SNAPPER_9260) += board-snapper9260.o

145
arch/arm/mach-at91/board-usb-a926x.c
View file

@ -4,6 +4,7 @@
* Copyright (C) 2005 SAN People
* Copyright (C) 2007 Atmel Corporation.
* Copyright (C) 2007 Calao-systems
* Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
*
* 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
@ -28,6 +29,7 @@
#include <linux/spi/spi.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/spi/mmc_spi.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
@ -74,18 +76,42 @@ static struct at91_udc_data __initdata ek_udc_data = {
.pullup_pin = 0, /* pull-up driven by UDC */
};
void ek_add_device_udc(void)
static void __init ek_add_device_udc(void)
{
if (machine_is_usb_a9260())
if (machine_is_usb_a9260() || machine_is_usb_a9g20())
ek_udc_data.vbus_pin = AT91_PIN_PC5;
at91_add_device_udc(&ek_udc_data);
}
#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
#define MMC_SPI_CARD_DETECT_INT AT91_PIN_PC4
static int at91_mmc_spi_init(struct device *dev,
irqreturn_t (*detect_int)(int, void *), void *data)
{
/* Configure Interrupt pin as input, no pull-up */
at91_set_gpio_input(MMC_SPI_CARD_DETECT_INT, 0);
return request_irq(gpio_to_irq(MMC_SPI_CARD_DETECT_INT), detect_int,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
"mmc-spi-detect", data);
}
static void at91_mmc_spi_exit(struct device *dev, void *data)
{
free_irq(gpio_to_irq(MMC_SPI_CARD_DETECT_INT), data);
}
static struct mmc_spi_platform_data at91_mmc_spi_pdata = {
.init = at91_mmc_spi_init,
.exit = at91_mmc_spi_exit,
.detect_delay = 100, /* msecs */
};
#endif
/*
* SPI devices.
*/
static struct spi_board_info ek_spi_devices[] = {
static struct spi_board_info usb_a9263_spi_devices[] = {
#if !defined(CONFIG_MMC_AT91)
{ /* DataFlash chip */
.modalias = "mtd_dataflash",
@ -96,10 +122,25 @@ static struct spi_board_info ek_spi_devices[] = {
#endif
};
void ek_add_device_spi(void)
static struct spi_board_info usb_a9g20_spi_devices[] = {
#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
{
.modalias = "mmc_spi",
.max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
.bus_num = 1,
.chip_select = 0,
.platform_data = &at91_mmc_spi_pdata,
.mode = SPI_MODE_3,
},
#endif
};
static void __init ek_add_device_spi(void)
{
if (machine_is_usb_a9263())
at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
at91_add_device_spi(usb_a9263_spi_devices, ARRAY_SIZE(usb_a9263_spi_devices));
else if (machine_is_usb_a9g20())
at91_add_device_spi(usb_a9g20_spi_devices, ARRAY_SIZE(usb_a9g20_spi_devices));
}
/*
@ -110,9 +151,9 @@ static struct at91_eth_data __initdata ek_macb_data = {
.is_rmii = 1,
};
void ek_add_device_eth(void)
static void __init ek_add_device_eth(void)
{
if (machine_is_usb_a9260())
if (machine_is_usb_a9260() || machine_is_usb_a9g20())
ek_macb_data.phy_irq_pin = AT91_PIN_PA31;
at91_add_device_eth(&ek_macb_data);
@ -123,19 +164,29 @@ void ek_add_device_eth(void)
*/
static struct mtd_partition __initdata ek_nand_partition[] = {
{
.name = "Uboot & Kernel",
.name = "barebox",
.offset = 0,
.size = SZ_16M,
},
{
.name = "Root FS",
.size = 3 * SZ_128K,
}, {
.name = "bareboxenv",
.offset = MTDPART_OFS_NXTBLK,
.size = SZ_128K,
}, {
.name = "bareboxenv2",
.offset = MTDPART_OFS_NXTBLK,
.size = SZ_128K,
}, {
.name = "kernel",
.offset = MTDPART_OFS_NXTBLK,
.size = 4 * SZ_1M,
}, {
.name = "rootfs",
.offset = MTDPART_OFS_NXTBLK,
.size = 120 * SZ_1M,
},
{
.name = "FS",
}, {
.name = "data",
.offset = MTDPART_OFS_NXTBLK,
.size = 120 * SZ_1M,
.size = MTDPART_SIZ_FULL,
}
};
@ -154,7 +205,7 @@ static struct atmel_nand_data __initdata ek_nand_data = {
.partition_info = nand_partitions,
};
static struct sam9_smc_config __initdata ek_nand_smc_config = {
static struct sam9_smc_config __initdata usb_a9260_nand_smc_config = {
.ncs_read_setup = 0,
.nrd_setup = 1,
.ncs_write_setup = 0,
@ -172,15 +223,36 @@ static struct sam9_smc_config __initdata ek_nand_smc_config = {
.tdf_cycles = 2,
};
static struct sam9_smc_config __initdata usb_a9g20_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 void __init ek_add_device_nand(void)
{
if (machine_is_usb_a9260()) {
if (machine_is_usb_a9260() || machine_is_usb_a9g20()) {
ek_nand_data.rdy_pin = AT91_PIN_PC13;
ek_nand_data.enable_pin = AT91_PIN_PC14;
}
/* configure chip-select 3 (NAND) */
sam9_smc_configure(3, &ek_nand_smc_config);
if (machine_is_usb_a9g20())
sam9_smc_configure(3, &usb_a9g20_nand_smc_config);
else
sam9_smc_configure(3, &usb_a9260_nand_smc_config);
at91_add_device_nand(&ek_nand_data);
}
@ -237,15 +309,20 @@ static struct gpio_led ek_leds[] = {
}
};
void ek_add_device_leds(void)
static struct i2c_board_info __initdata ek_i2c_devices[] = {
{
I2C_BOARD_INFO("rv3029c2", 0x56),
},
};
static void __init ek_add_device_leds(void)
{
if (machine_is_usb_a9260())
if (machine_is_usb_a9260() || machine_is_usb_a9g20())
ek_leds[0].active_low = 0;
at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
}
static void __init ek_board_init(void)
{
/* Serial */
@ -260,15 +337,22 @@ static void __init ek_board_init(void)
ek_add_device_eth();
/* NAND */
ek_add_device_nand();
/* I2C */
at91_add_device_i2c(NULL, 0);
/* Push Buttons */
ek_add_device_buttons();
/* LEDs */
ek_add_device_leds();
/* shutdown controller, wakeup button (5 msec low) */
at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW
if (machine_is_usb_a9g20()) {
/* I2C */
at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
} else {
/* I2C */
at91_add_device_i2c(NULL, 0);
/* shutdown controller, wakeup button (5 msec low) */
at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10)
| AT91_SHDW_WKMODE0_LOW
| AT91_SHDW_RTTWKEN);
}
}
MACHINE_START(USB_A9263, "CALAO USB_A9263")
@ -288,3 +372,12 @@ MACHINE_START(USB_A9260, "CALAO USB_A9260")
.init_irq = at91_init_irq_default,
.init_machine = ek_board_init,
MACHINE_END
MACHINE_START(USB_A9G20, "CALAO USB_A92G0")
/* Maintainer: Jean-Christophe PLAGNIOL-VILLARD */
.timer = &at91sam926x_timer,
.map_io = at91_map_io,
.init_early = ek_init_early,
.init_irq = at91_init_irq_default,
.init_machine = ek_board_init,
MACHINE_END

5
arch/arm/mach-at91/include/mach/timex.h
View file

@ -64,7 +64,12 @@
#elif defined(CONFIG_ARCH_AT91SAM9G20)
#if defined(CONFIG_MACH_USB_A9G20)
#define AT91SAM9_MASTER_CLOCK 133000000
#else
#define AT91SAM9_MASTER_CLOCK 132096000
#endif
#define CLOCK_TICK_RATE (AT91SAM9_MASTER_CLOCK/16)
#elif defined(CONFIG_ARCH_AT91SAM9G45)