at91: add Calao TNY-A9260/TNY-A9263/TNY-A9G20

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 245 insertions, 0 deletions

diff --git a/arch/arm/boards/tny-a926x/init.c b/arch/arm/boards/tny-a926x/init.c
new file mode 100644
index 0000000000..ad77f7bfb1
--- /dev/null
+++ b/arch/arm/boards/tny-a926x/init.c
@@ -0,0 +1,245 @@
+/*
+ * 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 the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+
+#include <common.h>
+#include <net.h>
+#include <init.h>
+#include <environment.h>
+#include <asm/armlinux.h>
+#include <generated/mach-types.h>
+#include <partition.h>
+#include <fs.h>
+#include <fcntl.h>
+#include <io.h>
+#include <asm/hardware.h>
+#include <nand.h>
+#include <sizes.h>
+#include <linux/mtd/nand.h>
+#include <linux/clk.h>
+#include <mach/board.h>
+#include <mach/at91sam9_smc.h>
+#include <mach/sam9_smc.h>
+#include <gpio.h>
+#include <mach/io.h>
+#include <mach/at91_pmc.h>
+#include <mach/at91_rstc.h>
+#include <spi/eeprom.h>
+
+static void tny_a9260_set_board_type(void)
+{
+	if (machine_is_tny_a9g20())
+		armlinux_set_architecture(MACH_TYPE_TNY_A9G20);
+	else if (machine_is_tny_a9263())
+		armlinux_set_architecture(MACH_TYPE_TNY_A9263);
+	else
+		armlinux_set_architecture(MACH_TYPE_TNY_A9260);
+}
+
+static struct atmel_nand_data nand_pdata = {
+	.ale		= 21,
+	.cle		= 22,
+	.det_pin	= 0,
+	.rdy_pin	= AT91_PIN_PC13,
+	.enable_pin	= AT91_PIN_PC14,
+	.on_flash_bbt	= 1,
+};
+
+static struct sam9_smc_config tny_a9260_nand_smc_config = {
+	.ncs_read_setup		= 0,
+	.nrd_setup		= 1,
+	.ncs_write_setup	= 0,
+	.nwe_setup		= 1,
+
+	.ncs_read_pulse		= 3,
+	.nrd_pulse		= 3,
+	.ncs_write_pulse	= 3,
+	.nwe_pulse		= 3,
+
+	.read_cycle		= 5,
+	.write_cycle		= 5,
+
+	.mode			= AT91_SMC_READMODE | AT91_SMC_WRITEMODE | \
+				  AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
+	.tdf_cycles		= 2,
+};
+
+static struct sam9_smc_config tny_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		= 2,
+
+	.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 tny_a9260_add_device_nand(void)
+{
+	/* configure chip-select 3 (NAND) */
+	if (machine_is_tny_a9g20())
+		sam9_smc_configure(3, &tny_a9g20_nand_smc_config);
+	else
+		sam9_smc_configure(3, &tny_a9260_nand_smc_config);
+
+	if (machine_is_tny_a9263()) {
+		nand_pdata.rdy_pin	= AT91_PIN_PA22;
+		nand_pdata.enable_pin	= AT91_PIN_PD15;
+	}
+
+	at91_add_device_nand(&nand_pdata);
+}
+
+#ifdef CONFIG_DRIVER_NET_MACB
+static struct at91_ether_platform_data macb_pdata = {
+	.flags		= AT91SAM_ETHER_RMII,
+	.phy_addr	= 0,
+};
+
+static void tny_a9260_phy_reset(void)
+{
+	unsigned long rstc;
+	struct clk *clk = clk_get(NULL, "macb_clk");
+
+	clk_enable(clk);
+
+	at91_set_gpio_input(AT91_PIN_PA14, 0);
+	at91_set_gpio_input(AT91_PIN_PA15, 0);
+	at91_set_gpio_input(AT91_PIN_PA17, 0);
+	at91_set_gpio_input(AT91_PIN_PA25, 0);
+	at91_set_gpio_input(AT91_PIN_PA26, 0);
+	at91_set_gpio_input(AT91_PIN_PA28, 0);
+
+	rstc = at91_sys_read(AT91_RSTC_MR) & AT91_RSTC_ERSTL;
+
+	/* Need to reset PHY -> 500ms reset */
+	at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY |
+				     (AT91_RSTC_ERSTL & (0x0d << 8)) |
+				     AT91_RSTC_URSTEN);
+
+	at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_EXTRST);
+
+	/* Wait for end hardware reset */
+	while (!(at91_sys_read(AT91_RSTC_SR) & AT91_RSTC_NRSTL));
+
+	/* Restore NRST value */
+	at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY |
+				     (rstc) |
+				     AT91_RSTC_URSTEN);
+}
+
+static void __init ek_add_device_macb(void)
+{
+	tny_a9260_phy_reset();
+	at91_add_device_eth(&macb_pdata);
+}
+#else
+static void __init ek_add_device_macb(void) {}
+#endif
+
+/*
+ * USB Device port
+ */
+static struct at91_udc_data __initdata ek_udc_data = {
+	.vbus_pin	= AT91_PIN_PB30,
+	.pullup_pin	= 0,		/* pull-up driven by UDC */
+};
+
+static struct spi_eeprom eeprom = {
+	.name = "at250x0",
+	.size = 8192,
+	.page_size = 32,
+	.flags = EE_ADDR2,	/* 16 bits address */
+};
+
+static struct spi_board_info tny_a9g20_spi_devices[] = {
+	{
+		.name = "at25x",
+		.max_speed_hz = 1 * 1000 * 1000,	/* max spi clock (SCK) speed in HZ */
+		.bus_num = 0,
+		.chip_select = 0,
+		.platform_data = &eeprom,
+	},
+};
+
+static int spi0_standard_cs[] = { AT91_PIN_PC11 };
+struct at91_spi_platform_data spi_pdata = {
+	.chipselect = spi0_standard_cs,
+	.num_chipselect = ARRAY_SIZE(spi0_standard_cs),
+};
+
+static void __init ek_add_device_udc(void)
+{
+	if (machine_is_tny_a9260() || machine_is_tny_a9g20())
+		ek_udc_data.vbus_pin = AT91_PIN_PC5;
+
+	at91_add_device_udc(&ek_udc_data);
+}
+
+static int tny_a9260_mem_init(void)
+{
+	at91_add_device_sdram(64 * 1024 * 1024);
+
+	return 0;
+}
+mem_initcall(tny_a9260_mem_init);
+
+static int tny_a9260_devices_init(void)
+{
+	tny_a9260_add_device_nand();
+	ek_add_device_macb();
+	ek_add_device_udc();
+
+	armlinux_set_bootparams((void *)(AT91_CHIPSELECT_1 + 0x100));
+	tny_a9260_set_board_type();
+
+	if (machine_is_tny_a9260() || machine_is_tny_a9g20()) {
+		spi_register_board_info(tny_a9g20_spi_devices,
+			ARRAY_SIZE(tny_a9g20_spi_devices));
+		at91_add_device_spi(0, &spi_pdata);
+	}
+
+	devfs_add_partition("nand0", 0x00000, SZ_128K, PARTITION_FIXED, "at91bootstrap_raw");
+	dev_add_bb_dev("at91bootstrap_raw", "at91bootstrap");
+	devfs_add_partition("nand0", SZ_128K, SZ_256K, PARTITION_FIXED, "self_raw");
+	dev_add_bb_dev("self_raw", "self0");
+	devfs_add_partition("nand0", SZ_256K + SZ_128K, SZ_128K, PARTITION_FIXED, "env_raw");
+	dev_add_bb_dev("env_raw", "env0");
+	devfs_add_partition("nand0", SZ_512K, SZ_128K, PARTITION_FIXED, "env_raw1");
+	dev_add_bb_dev("env_raw1", "env1");
+
+	return 0;
+}
+device_initcall(tny_a9260_devices_init);
+
+static int tny_a9260_console_init(void)
+{
+	at91_register_uart(0, 0);
+	return 0;
+}
+console_initcall(tny_a9260_console_init);