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authorJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>2010-07-22 05:00:13 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2010-07-23 08:35:25 +0200
commitd8c86961b333a9c88cf2aa4282a43b8382e9b810 (patch)
treecf8b39db96805a2ed876ba14f6824a96ebffc906 /arch/arm/boards/at91sam9260ek/init.c
parentd879de38e8430eeb9b37b7b6a2ac3341b0b029f7 (diff)
downloadbarebox-d8c86961b333a9c88cf2aa4282a43b8382e9b810.tar.gz
barebox-d8c86961b333a9c88cf2aa4282a43b8382e9b810.tar.xz
move boards to arch/<architecure>/boards
this will allow each arch to handle the boards more simply and depending on there need the env var BOARD will refer to the current board dirent for sandbox as we have only one board the board dirent is arch/sandbox/board Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/boards/at91sam9260ek/init.c')
-rw-r--r--arch/arm/boards/at91sam9260ek/init.c151
1 files changed, 151 insertions, 0 deletions
diff --git a/arch/arm/boards/at91sam9260ek/init.c b/arch/arm/boards/at91sam9260ek/init.c
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+++ b/arch/arm/boards/at91sam9260ek/init.c
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+/*
+ * Copyright (C) 2007 Sascha Hauer, Pengutronix
+ *
+ * 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 <fec.h>
+#include <asm/armlinux.h>
+#include <asm/mach-types.h>
+#include <partition.h>
+#include <fs.h>
+#include <fcntl.h>
+#include <asm/io.h>
+#include <asm/hardware.h>
+#include <nand.h>
+#include <linux/mtd/nand.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>
+
+static struct atmel_nand_data nand_pdata = {
+ .ale = 21,
+ .cle = 22,
+/* .det_pin = ... not connected */
+ .ecc_base = (void __iomem *)(AT91_BASE_SYS + AT91_ECC),
+ .ecc_mode = NAND_ECC_HW,
+ .rdy_pin = AT91_PIN_PC13,
+ .enable_pin = AT91_PIN_PC14,
+#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
+ .bus_width_16 = 1,
+#else
+ .bus_width_16 = 0,
+#endif
+};
+
+static struct sam9_smc_config ek_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,
+ .tdf_cycles = 2,
+};
+
+static void ek_add_device_nand(void)
+{
+ /* setup bus-width (8 or 16) */
+ if (nand_pdata.bus_width_16)
+ ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
+ else
+ ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
+
+ /* configure chip-select 3 (NAND) */
+ sam9_smc_configure(3, &ek_nand_smc_config);
+
+ at91_add_device_nand(&nand_pdata);
+}
+
+static struct at91_ether_platform_data macb_pdata = {
+ .flags = AT91SAM_ETHER_RMII,
+ .phy_addr = 0,
+};
+
+static void at91sam9260ek_phy_reset(void)
+{
+ unsigned long rstc;
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_EMAC);
+
+ 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 int at91sam9260ek_devices_init(void)
+{
+ ek_add_device_nand();
+ at91sam9260ek_phy_reset();
+ at91_add_device_eth(&macb_pdata);
+
+ at91_add_device_sdram(64 * 1024 * 1024);
+ armlinux_set_bootparams((void *)(AT91_CHIPSELECT_1 + 0x100));
+ armlinux_set_architecture(MACH_TYPE_AT91SAM9260EK);
+
+ devfs_add_partition("nand0", 0x00000, 0x80000, PARTITION_FIXED, "self_raw");
+ dev_add_bb_dev("self_raw", "self0");
+ devfs_add_partition("nand0", 0x40000, 0x40000, PARTITION_FIXED, "env_raw");
+ dev_add_bb_dev("env_raw", "env0");
+
+ return 0;
+}
+
+device_initcall(at91sam9260ek_devices_init);
+
+static int at91sam9260ek_console_init(void)
+{
+ at91_register_uart(0, 0);
+ return 0;
+}
+
+console_initcall(at91sam9260ek_console_init);