[PATCH v2 1/3] Add support for mini-box.com picoSAM9G45 board
Nicu Pavel
npavel at mini-box.com
Mon Oct 31 11:53:14 EDT 2011
This patch adds support for picoSAM9G45 board from mini-box.com. This board is
based on Atmel G45 SOC. More details can be found at http://arm.mini-box.com
Signed-off-by: Nicu Pavel <npavel at mini-box.com>
---
arch/arm/mach-at91/board-picosam9g45.c | 436 ++++++++++++++++++++++++++++++++
1 files changed, 436 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/mach-at91/board-picosam9g45.c
diff --git a/arch/arm/mach-at91/board-picosam9g45.c b/arch/arm/mach-at91/board-picosam9g45.c
new file mode 100644
index 0000000..bd746a1
--- /dev/null
+++ b/arch/arm/mach-at91/board-picosam9g45.c
@@ -0,0 +1,436 @@
+/*
+ * Board-specific setup code for the picoSAM9G45 board
+ *
+ * http://www.mini-box.com/pico-SAM9G45-X
+ *
+ * Copyright (C) 2011 Nicu Pavel <npavel at mini-box.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
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+#include <linux/fb.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+#include <linux/leds.h>
+#include <linux/clk.h>
+#include <linux/atmel-mci.h>
+
+#include <mach/hardware.h>
+#include <video/atmel_lcdc.h>
+
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+#include <asm/gpio.h>
+
+#include <mach/board.h>
+#include <mach/at91sam9_smc.h>
+#include <mach/at91_shdwc.h>
+#include <mach/system_rev.h>
+
+#include "sam9_smc.h"
+#include "generic.h"
+
+
+static void __init picosam9g45_init_early(void)
+{
+ /* Initialize processor: 12.000 MHz crystal */
+ at91_initialize(12000000);
+
+ /* DGBU on ttyS0. (Rx & Tx only) */
+ at91_register_uart(0, 0, 0);
+
+ /* USART1 on ttyS1. (Rx, Tx, RTS, CTS) */
+ at91_register_uart(AT91SAM9G45_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS);
+ /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
+ at91_register_uart(AT91SAM9G45_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
+
+ /* set serial console to ttyS0 (ie, DBGU) */
+ at91_set_serial_console(0);
+}
+
+/*
+ * USB HS Host port (common to OHCI & EHCI)
+ */
+static struct at91_usbh_data __initdata picosam9g45_usbh_hs_data = {
+ .ports = 2,
+ .vbus_pin = {AT91_PIN_PD1, AT91_PIN_PD3},
+};
+
+
+/*
+ * USB HS Device port
+ */
+static struct usba_platform_data __initdata picosam9g45_usba_udc_data = {
+ .vbus_pin = AT91_PIN_PB19,
+};
+
+
+/*
+ * SPI devices.
+ */
+static struct spi_board_info picosam9g45_spi_devices[] = {
+ [0] = {/* SPI0 CS0 on right side connector J7*/
+ .modalias= "spidev",
+ .max_speed_hz= 15 * 1000 * 1000,
+ .bus_num= 0,
+ .chip_select= 0,
+ },
+ [1] = {/* SPI1 CS0 on left side connector J9*/
+ .modalias= "spidev",
+ .max_speed_hz= 15 * 1000 * 1000,
+ .bus_num= 1,
+ .chip_select= 0,
+ },
+};
+
+
+/*
+ * MCI (SD/MMC)
+ */
+static struct mci_platform_data __initdata mci0_data = {
+ .slot[0] = {
+ .bus_width = 4,
+ .detect_pin = AT91_PIN_PD10,
+ },
+};
+
+static struct mci_platform_data __initdata mci1_data = {
+ .slot[0] = {
+ .bus_width = 4,
+ .detect_pin = AT91_PIN_PD11,
+ .wp_pin = AT91_PIN_PD29,
+ },
+};
+
+
+/*
+ * MACB Ethernet device
+ */
+static struct at91_eth_data __initdata picosam9g45_macb_data = {
+ .phy_irq_pin = AT91_PIN_PD5,
+ .is_rmii = 1,
+};
+
+
+/*
+ * NAND flash
+ */
+static struct mtd_partition __initdata picosam9g45_nand_partition[] = {
+ {
+ .name = "Bootstrap",
+ .offset = 0,
+ .size = SZ_4M
+ },
+ {
+ .name= "RootFS",
+ .offset= MTDPART_OFS_NXTBLK,
+ .size= 60 * SZ_1M,
+ },
+ {
+ .name= "Space",
+ .offset= MTDPART_OFS_NXTBLK,
+ .size= MTDPART_SIZ_FULL,
+ },
+};
+
+static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
+{
+ *num_partitions = ARRAY_SIZE(picosam9g45_nand_partition);
+ return picosam9g45_nand_partition;
+}
+
+/* det_pin is not connected */
+static struct atmel_nand_data __initdata picosam9g45_nand_data = {
+ .ale = 21,
+ .cle = 22,
+ .rdy_pin = AT91_PIN_PC8,
+ .enable_pin = AT91_PIN_PC14,
+ .partition_info = nand_partitions,
+};
+
+static struct sam9_smc_config __initdata picosam9g45_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,
+ .tdf_cycles = 3,
+};
+
+static void __init picosam9g45_add_device_nand(void)
+{
+ picosam9g45_nand_data.bus_width_16 = board_have_nand_16bit();
+ /* setup bus-width (8 or 16) */
+ if (picosam9g45_nand_data.bus_width_16)
+ picosam9g45_nand_smc_config.mode |= AT91_SMC_DBW_16;
+ else
+ picosam9g45_nand_smc_config.mode |= AT91_SMC_DBW_8;
+
+ /* configure chip-select 3 (NAND) */
+ sam9_smc_configure(3, &picosam9g45_nand_smc_config);
+
+ at91_add_device_nand(&picosam9g45_nand_data);
+}
+
+
+/*
+ * LCD Controller
+ */
+#if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
+static struct fb_videomode at91_tft_vga_modes[] = {
+ {
+ .name = "HannStar",
+ .refresh = 60,
+ .xres = 480, .yres = 272,
+ .pixclock = KHZ2PICOS(9000),
+
+ .left_margin = 2, .right_margin = 2,
+ .upper_margin = 2, .lower_margin = 2,
+ .hsync_len = 41, .vsync_len = 10,
+
+ .sync = 0,
+ .vmode = FB_VMODE_NONINTERLACED,
+ },
+};
+
+static struct fb_monspecs at91fb_default_monspecs = {
+ .manufacturer = "HNS",
+ .monitor = "HSD043I9W1",
+
+ .modedb = at91_tft_vga_modes,
+ .modedb_len = ARRAY_SIZE(at91_tft_vga_modes),
+ .hfmin = 15000,
+ .hfmax = 17640,
+ .vfmin = 57,
+ .vfmax = 67,
+};
+
+#define AT91SAM9G45_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
+ | ATMEL_LCDC_DISTYPE_TFT \
+ | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
+
+/* Driver datas */
+static struct atmel_lcdfb_info __initdata picosam9g45_lcdc_data = {
+ .lcdcon_is_backlight = true,
+ .default_bpp = 16,
+ .default_dmacon = ATMEL_LCDC_DMAEN,
+ .default_lcdcon2 = AT91SAM9G45_DEFAULT_LCDCON2,
+ .default_monspecs = &at91fb_default_monspecs,
+ .guard_time = 9,
+ .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB,
+};
+
+#else
+static struct atmel_lcdfb_info __initdata picosam9g45_lcdc_data;
+#endif
+
+
+/*
+ * Touchscreen
+ */
+static struct at91_tsadcc_data picosam9g45_tsadcc_data = {
+ .adc_clock = 300000,
+ .pendet_debounce = 0x0d,
+ .ts_sample_hold_time = 0x0a,
+};
+
+
+/*
+ * GPIO Buttons
+ */
+#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
+static struct gpio_keys_button picosam9g45_buttons[] = {
+ { /* J9 pin 5 gnd + pin 11 */
+ .code = KEY_BACK,
+ .gpio = AT91_PIN_PB6,
+ .active_low = 1,
+ .desc = "Back",
+ .wakeup = 1,
+ },
+ { /* J9 pin 5 gnd + pin 13*/
+ .code = KEY_MENU,
+ .gpio = AT91_PIN_PB7,
+ .active_low = 1,
+ .desc = "Menu",
+ .wakeup = 1,
+ },
+ { /* J9 pin 5 gnd + pin 12 */
+ .code = KEY_HOME,
+ .gpio = AT91_PIN_PB16,
+ .active_low = 1,
+ .desc = "Home",
+ },
+
+};
+
+static struct gpio_keys_platform_data picosam9g45_button_data = {
+ .buttons = picosam9g45_buttons,
+ .nbuttons = ARRAY_SIZE(picosam9g45_buttons),
+};
+
+static struct platform_device picosam9g45_button_device = {
+ .name = "gpio-keys",
+ .id = -1,
+ .num_resources = 0,
+ .dev = {
+ .platform_data = &picosam9g45_button_data,
+ }
+};
+
+static void __init picosam9g45_add_device_buttons(void)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(picosam9g45_buttons); i++) {
+ at91_set_GPIO_periph(picosam9g45_buttons[i].gpio, 1);
+ at91_set_deglitch(picosam9g45_buttons[i].gpio, 1);
+ }
+
+ platform_device_register(&picosam9g45_button_device);
+}
+#else
+static void __init picosam9g45_add_device_buttons(void) {}
+#endif
+
+
+/*
+ * LEDs ... these could all be PWM-driven, for variable brightness
+ */
+static struct gpio_led picosam9g45_leds[] = {
+ { /* "pwr" led */
+ .name = "pwr",
+ .gpio = AT91_PIN_PD30,
+ .default_trigger = "heartbeat",
+ },
+ { /* "u1" led */
+ .name = "u1",
+ .gpio = AT91_PIN_PD0,
+ .active_low = 1,
+ .default_trigger = "mmc0",
+ },
+#if !(defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE))
+ { /* "u2" led */
+ .name = "u2",
+ .gpio = AT91_PIN_PD31,
+ .active_low = 1,
+ .default_trigger = "none",
+ },
+#endif
+};
+
+
+/*
+ * PWM Leds
+ */
+static struct gpio_led picosam9g45_pwm_led[] = {
+#if defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE)
+ { /* "right" led, green, userled1, pwm1 */
+ .name = "d7",
+ .gpio = 1, /* is PWM channel number */
+ .active_low = 1,
+ .default_trigger = "none",
+ },
+ { /* picopc buzzer */
+ .name= "buzzer",
+ .gpio= 2, /* is PWM channel number */
+ .active_low= 1,
+ .default_trigger= "none",
+ },
+#endif
+};
+
+
+/*
+ * PWM buzzer
+ */
+static void picosam9g45_setup_device_buzzer(void)
+{
+ at91_set_A_periph(AT91_PIN_PE31, 1);
+}
+
+/*
+ * Capacitive touchscreen
+ */
+#define PICOSAM9G45_CAPTS_IRQ AT91_PIN_PA27
+static struct i2c_board_info __initdata picosam9g45_i2c1_devices[] = {
+ {
+ I2C_BOARD_INFO("ms-msg20xx", 0x60),
+ .irq = PICOSAM9G45_CAPTS_IRQ,
+ },
+};
+
+static void picosam9g45_setup_device_capts(void)
+{
+ at91_set_gpio_input(PICOSAM9G45_CAPTS_IRQ, 0);
+ at91_set_deglitch(PICOSAM9G45_CAPTS_IRQ, 1);
+}
+
+
+static void __init picosam9g45_board_init(void)
+{
+ /* Buzzer PWM pin */
+ picosam9g45_setup_device_buzzer();
+ /* Capacitive Touch Screen IRQ */
+ picosam9g45_setup_device_capts();
+ /* Serial */
+ at91_add_device_serial();
+ /* USB HS Host */
+ at91_add_device_usbh_ohci(&picosam9g45_usbh_hs_data);
+ at91_add_device_usbh_ehci(&picosam9g45_usbh_hs_data);
+ /* USB HS Device */
+ at91_add_device_usba(&picosam9g45_usba_udc_data);
+ /* SPI */
+ at91_add_device_spi(picosam9g45_spi_devices, ARRAY_SIZE(picosam9g45_spi_devices));
+ /* MMC */
+ at91_add_device_mci(0, &mci0_data);
+ at91_add_device_mci(1, &mci1_data);
+ /* Ethernet */
+ at91_add_device_eth(&picosam9g45_macb_data);
+ /* NAND */
+ picosam9g45_add_device_nand();
+ /* I2C */
+ at91_add_device_i2c(0, NULL, 0);
+ at91_add_device_i2c(1, picosam9g45_i2c1_devices, ARRAY_SIZE(picosam9g45_i2c1_devices));
+ /* LCD Controller */
+ at91_add_device_lcdc(&picosam9g45_lcdc_data);
+ /* Resistive Touch Screen */
+ at91_add_device_tsadcc(&picosam9g45_tsadcc_data);
+ /* Push Buttons */
+ picosam9g45_add_device_buttons();
+ /* LEDs */
+ at91_gpio_leds(picosam9g45_leds, ARRAY_SIZE(picosam9g45_leds));
+ at91_pwm_leds(picosam9g45_pwm_led, ARRAY_SIZE(picosam9g45_pwm_led));
+}
+
+MACHINE_START(MINIBOXPICOSAM9G45, "Mini Box picoSAM9 G45 Board")
+ /* Maintainer: Nicu Pavel */
+ .timer = &at91sam926x_timer,
+ .map_io = at91_map_io,
+ .init_early = picosam9g45_init_early,
+ .init_irq = at91_init_irq_default,
+ .init_machine = picosam9g45_board_init,
+MACHINE_END
--
1.7.1
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