Merge branch 'master' of git://git.denx.de/u-boot-arm

* 'master' of git://git.denx.de/u-boot-arm: (212 commits)
  ARM: cache: Move the cp15 CR register read before flushing the cache.
  ARM: introduce arch_early_init_r()
  PXA: Enable CONFIG_PREBOOT on zipitz2
  ARM: mx28: Remove CONFIG_ARCH_CPU_INIT
  No need to define CONFIG_ARCH_CPU_INIT.
  add new board vl_ma2sc
  MTD: SPEAr SMI: Add write support for length < 4 bytes
  i2c: designware_i2c.c: Add support for the "i2c probe" command
  rtc/m41t62: Add support for M41T82 with HT (Halt Update)
  SPL: ARM: spear: Add SPL support for SPEAr600 platform
  Makefile: Add u-boot.spr build target (SPEAr)
  SPL: ARM: spear: Remove some objects from SPL build
  SPL: lib/Makefile: Add crc32.c to SPL build
  SPL: common/Makefile: Add image.c to SPL build
  arm: Don't use printf() in SPL builds
  GPIO: Add SPEAr GPIO driver
  net: Multiple updates/enhancements to designware.c
  cleanup/SPEAr: Define configuration flags more elegantly
  cleanup/SPEAr: Remove unnecessary parenthesis
  SPEAr: Correct SoC ID offset in misc configuration space
  SPEAr: explicitly select clk src for UART
  SPEAr: Remove CONFIG_MTD_NAND_VERIFY_WRITE to speed up NAND access
  SPEAr: Enable ONFI nand flash detection for spear3xx and 6xx and evb
  SPEAr: Enable CONFIG_SYS_FLASH_EMPTY_INFO macro
  SPEAr: Correct the definition of CONFIG_SYS_MONITOR_BASE
  SPEAr: Enable CONFIG_SYS_FLASH_PROTECTION
  SPEAr: Enable dcache for fast file transfer
  SPEAr: Enable autoneg for ethernet
  SPEAr: Enable udc and usb-console support only for usbtty configuration
  SPEAr: Enable usb device high speed support
  SPEAr: Initialize SNOR in early_board_init_f
  SPEAr: Change the default environment variables
  SPEAr: Remove unused flag (CONFIG_SYS_HZ_CLOCK)
  SPEAr: Add configuration options for spear3xx and spear6xx boards
  SPEAr: Add basic arch related support for SPEAr SoCs
  SPEAr: Add interface information in initialization
  SPEAr: Add macb driver support for spear310 and spear320
  SPEAr: Configure network support for spear SoCs
  SPEAr: Place ethaddr write and read within CONFIG_CMD_NET
  SPEAr: Eliminate dependency on Xloader table
  SPEAr: Fix ARM relocation support
  st_smi: Fixed page size for Winbond W25Q128FV flash
  st_smi: Change timeout loop implementation
  st_smi: Fix bug in flash_print_info()
  st_smi: Change the flash probing method
  st_smi: Removed no needed dependency on ST_M25Pxx_ID
  st_smi: Fix smi read status
  st_smi: Move status register read before modifying ctrl register
  st_smi: Read status until timeout happens
  st_smi: Enhance the error handling
  st_smi: Change SMI timeout values
  st_smi: Return error in case TFF is not set
  st_smi: Add support for SPEAr SMI driver
  mtd/NAND: Remove obsolete SPEAr specific NAND drivers
  SPEAr: Configure FSMC driver for NAND interface
  mtd/NAND: Add FSMC driver support
  arm/km: remove calls to kw_gpio_* in board_early_init_f
  arm/km: add implementation for read_dip_switch
  arm/km: support the 2 PCIe fpga resets
  arm/km: skip FPGA config when already configured
  arm/km: redefine piggy 4 reg names to avoid conflicts
  arm/km: cleanup km_kirkwood boards
  arm/km: enable BOCO2 FPGA download support
  arm/km: remove portl2.h and use km_kirkwood instead
  arm/km: convert mgcoge3un target to km_kirkwood
  arm/km: add kmcoge5un board support
  arm/km: add kmnusa board support
  arm: bugfix: save_boot_params_default accesses uninitalized stack when -O0
  cm-t35: fix incorrect NAND_ECC layout selection
  ARM: OMAP4/5: Do not configure non essential pads, clocks, dplls.
  ARM: OMAP4/5: Move USB pads to essential list.
  ARM: OMAP4/5: Move USB clocks to essential group.
  ARM: OMAP4/5: Move gpmc clocks to essential group.
  ARM: OMAP4+: Move external phy initialisations to arch specific place.
  omap4: Use a smaller M,N couple for IVA DPLL
  da850/omap-l138: Enable auto negotiation in RMII mode
  omap: am33xx: accomodate input clocks other than 24 Mhz
  omap: emif: fix bug in manufacturer code test
  omap: emif: deal with rams that return duplicate mr data on all byte lanes
  OMAP4+: Force DDR in self-refresh after warm reset
  OMAP4+: Handle sdram init after warm reset
  ARM: OMAP3+: Detect reset type
  arm: bugfix: Move vector table before jumping relocated code
  Kirkwood: Add support for Ka-Ro TK71
  arm/km: use spi claim bus to switch between SPI and NAND
  arm/kirkwood: protect the ENV_SPI #defines
  ARM: don't probe PHY address for LaCie boards
  lacie_kw: fix CONFIG_SYS_KWD_CONFIG for inetspace_v2
  lacie_kw: fix SDRAM banks number for net2big_v2
  Kirkwood: add lschlv2 and lsxhl board support
  net: add helper to generate random mac address
  net: use common rand()/srand() functions
  lib: add rand() function
  kwboot: boot kirkwood SoCs over a serial link
  kw_spi: add weak functions board_spi_claim/release_bus
  kw_spi: support spi_claim/release_bus functions
  kw_spi: backup and reset the MPP of the chosen CS pin
  kirkwood: fix calls to kirkwood_mpp_conf
  kirkwood: add save functionality kirkwood_mpp_conf function
  km_arm: use filesize for erase in update command
  arm/km: enable mii cmd
  arm/km: remove CONFIG_RESET_PHY_R
  arm/km: change maintainer for mgcoge3un
  arm/km: fix wrong comment in SDRAM config for mgcoge3un
  arm/km: use ARRAY_SIZE macro
  arm/km: rename CONFIG option CONFIG_KM_DEF_ENV_UPDATE
  arm/km: add piggy mac adress offset for mgcoge3un
  arm/km: add board type to boards.cfg
  AT91SAM9*: Change kernel address in dataflash to match u-boot's size
  ATMEL/PIO: Enable new feature of PIO on Atmel device
  ehci-atmel: fix compiler warning
  AT91: at91sam9m10g45ek : Enable EHCI instead OHCI
  Atmel : usb : add EHCI driver for Atmel SoC
  Fix: AT91SAM9263 nor flash usage
  Fix: broken boot message at serial line on AT91SAM9263-EK board
  i.MX6 USDHC: Use the ESDHC clock
  mx28evk: Fix boot by adjusting HW_DRAM_CTL29 register
  i.MX28: Add function to adjust memory parameters
  mx28evk: Fix PSWITCH key position
  mx53smd: Remove CONFIG_SYS_I2C_SLAVE definition
  mx53loco: Remove CONFIG_SYS_I2C_SLAVE definition
  mx53evk: Remove CONFIG_SYS_I2C_SLAVE definition
  mx53ard: Remove CONFIG_SYS_I2C_SLAVE definition
  mx35pdk: Remove CONFIG_SYS_I2C_SLAVE definition
  imx31_phycore: Remove CONFIG_SYS_I2C_SLAVE definition
  mx53ard: Remove unused CONFIG_MII_GASKET
  mx6: Avoid writing to read-only bits in imximage.cfg
  m28evk: use same notation to alloc the 128kB stack
  ...

Signed-off-by: Wolfgang Denk <wd@denx.de>

1 files changed, 283 insertions, 0 deletions

diff --git a/board/buffalo/lsxl/lsxl.c b/board/buffalo/lsxl/lsxl.c
new file mode 100644
index 00000000000..fe155112c9e
--- /dev/null
+++ b/board/buffalo/lsxl/lsxl.c
@@ -0,0 +1,283 @@
+/*
+ * Copyright (c) 2012 Michael Walle
+ * Michael Walle <michael@walle.cc>
+ *
+ * Based on sheevaplug/sheevaplug.c by
+ *   Marvell Semiconductor <www.marvell.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+#include <common.h>
+#include <net.h>
+#include <malloc.h>
+#include <netdev.h>
+#include <miiphy.h>
+#include <asm/arch/kirkwood.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/mpp.h>
+#include <asm/arch/gpio.h>
+#include <spi_flash.h>
+
+#include "lsxl.h"
+
+/*
+ * Rescue mode
+ *
+ * Selected by holding the push button for 3 seconds, while powering on
+ * the device.
+ *
+ * These linkstations don't have a (populated) serial port. There is no
+ * way to access an (unmodified) board other than using the netconsole. If
+ * you want to recover from a bad environment setting or an empty environment,
+ * you can do this only with a working network connection. Therefore, a random
+ * ethernet address is generated if none is set and a DHCP request is sent.
+ * After a successful DHCP response is received, the network settings are
+ * configured and the ncip parameter is set to the serverip. Eg. for a working
+ * resuce mode, you should set 'next-server' to the host where the netconsole
+ * client is started.
+ * Additionally, the bootsource is set to 'rescue'.
+ */
+
+#ifndef CONFIG_ENV_OVERWRITE
+# error "You need to set CONFIG_ENV_OVERWRITE"
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_early_init_f(void)
+{
+	/*
+	 * default gpio configuration
+	 * There are maximum 64 gpios controlled through 2 sets of registers
+	 * the below configuration configures mainly initial LED status
+	 */
+	kw_config_gpio(LSXL_OE_VAL_LOW,
+			LSXL_OE_VAL_HIGH,
+			LSXL_OE_LOW, LSXL_OE_HIGH);
+
+	/*
+	 * Multi-Purpose Pins Functionality configuration
+	 * These strappings are taken from the original vendor uboot port.
+	 */
+	u32 kwmpp_config[] = {
+		MPP0_SPI_SCn,
+		MPP1_SPI_MOSI,
+		MPP2_SPI_SCK,
+		MPP3_SPI_MISO,
+		MPP4_UART0_RXD,
+		MPP5_UART0_TXD,
+		MPP6_SYSRST_OUTn,
+		MPP7_GPO,
+		MPP8_GPIO,
+		MPP9_GPIO,
+		MPP10_GPO,		/* HDD power */
+		MPP11_GPIO,		/* USB Vbus enable */
+		MPP12_SD_CLK,
+		MPP13_SD_CMD,
+		MPP14_SD_D0,
+		MPP15_SD_D1,
+		MPP16_SD_D2,
+		MPP17_SD_D3,
+		MPP18_GPO,		/* fan speed high */
+		MPP19_GPO,		/* fan speed low */
+		MPP20_GE1_0,
+		MPP21_GE1_1,
+		MPP22_GE1_2,
+		MPP23_GE1_3,
+		MPP24_GE1_4,
+		MPP25_GE1_5,
+		MPP26_GE1_6,
+		MPP27_GE1_7,
+		MPP28_GPIO,
+		MPP29_GPIO,
+		MPP30_GE1_10,
+		MPP31_GE1_11,
+		MPP32_GE1_12,
+		MPP33_GE1_13,
+		MPP34_GPIO,
+		MPP35_GPIO,
+		MPP36_GPIO,		/* function LED */
+		MPP37_GPIO,		/* alarm LED */
+		MPP38_GPIO,		/* info LED */
+		MPP39_GPIO,		/* power LED */
+		MPP40_GPIO,		/* fan alarm */
+		MPP41_GPIO,		/* funtion button */
+		MPP42_GPIO,		/* power switch */
+		MPP43_GPIO,		/* power auto switch */
+		MPP44_GPIO,
+		MPP45_GPIO,
+		MPP46_GPIO,
+		MPP47_GPIO,
+		MPP48_GPIO,		/* function red LED */
+		MPP49_GPIO,
+		0
+	};
+
+	kirkwood_mpp_conf(kwmpp_config, NULL);
+
+	return 0;
+}
+
+#define LED_OFF             0
+#define LED_ALARM_ON        1
+#define LED_ALARM_BLINKING  2
+#define LED_POWER_ON        3
+#define LED_POWER_BLINKING  4
+#define LED_INFO_ON         5
+#define LED_INFO_BLINKING   6
+
+static void __set_led(int blink_alarm, int blink_info, int blink_power,
+		int value_alarm, int value_info, int value_power)
+{
+	kw_gpio_set_blink(GPIO_ALARM_LED, blink_alarm);
+	kw_gpio_set_blink(GPIO_INFO_LED, blink_info);
+	kw_gpio_set_blink(GPIO_POWER_LED, blink_power);
+	kw_gpio_set_value(GPIO_ALARM_LED, value_alarm);
+	kw_gpio_set_value(GPIO_INFO_LED, value_info);
+	kw_gpio_set_value(GPIO_POWER_LED, value_power);
+}
+
+static void set_led(int state)
+{
+	switch (state) {
+	case LED_OFF:
+		__set_led(0, 0, 0, 0, 0, 0);
+		break;
+	case LED_ALARM_ON:
+		__set_led(0, 0, 0, 0, 1, 1);
+		break;
+	case LED_ALARM_BLINKING:
+		__set_led(1, 0, 0, 1, 1, 1);
+		break;
+	case LED_INFO_ON:
+		__set_led(0, 0, 0, 1, 0, 1);
+		break;
+	case LED_INFO_BLINKING:
+		__set_led(0, 1, 0, 1, 1, 1);
+		break;
+	case LED_POWER_ON:
+		__set_led(0, 0, 0, 1, 1, 0);
+		break;
+	case LED_POWER_BLINKING:
+		__set_led(0, 0, 1, 1, 1, 1);
+		break;
+	}
+}
+
+int board_init(void)
+{
+	/* address of boot parameters */
+	gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
+
+	set_led(LED_POWER_BLINKING);
+
+	return 0;
+}
+
+#ifdef CONFIG_MISC_INIT_R
+void check_enetaddr(void)
+{
+	uchar enetaddr[6];
+
+	if (!eth_getenv_enetaddr("ethaddr", enetaddr)) {
+		/* signal unset/invalid ethaddr to user */
+		set_led(LED_INFO_BLINKING);
+	}
+}
+
+static void erase_environment(void)
+{
+	struct spi_flash *flash;
+
+	printf("Erasing environment..\n");
+	flash = spi_flash_probe(0, 0, 1000000, SPI_MODE_3);
+	if (!flash) {
+		printf("Erasing flash failed\n");
+		return;
+	}
+
+	spi_flash_erase(flash, CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE);
+	spi_flash_free(flash);
+	do_reset(NULL, 0, 0, NULL);
+}
+
+static void rescue_mode(void)
+{
+	uchar enetaddr[6];
+
+	printf("Entering rescue mode..\n");
+#ifdef CONFIG_RANDOM_MACADDR
+	if (!eth_getenv_enetaddr("ethaddr", enetaddr)) {
+		eth_random_enetaddr(enetaddr);
+		if (eth_setenv_enetaddr("ethaddr", enetaddr)) {
+			printf("Failed to set ethernet address\n");
+				set_led(LED_ALARM_BLINKING);
+			return;
+		}
+	}
+#endif
+	setenv("bootsource", "rescue");
+}
+
+static void check_push_button(void)
+{
+	int i = 0;
+
+	while (!kw_gpio_get_value(GPIO_FUNC_BUTTON)) {
+		udelay(100000);
+		i++;
+
+		if (i == 10)
+			set_led(LED_INFO_ON);
+
+		if (i >= 100) {
+			set_led(LED_INFO_BLINKING);
+			break;
+		}
+	}
+
+	if (i >= 100)
+		erase_environment();
+	else if (i >= 10)
+		rescue_mode();
+}
+
+int misc_init_r(void)
+{
+	check_enetaddr();
+	check_push_button();
+
+	return 0;
+}
+#endif
+
+#ifdef CONFIG_SHOW_BOOT_PROGRESS
+void show_boot_progress(int progress)
+{
+	if (progress > 0)
+		return;
+
+	/* this is not an error, eg. bootp with autoload=no will trigger this */
+	if (progress == -BOOTSTAGE_ID_NET_LOADED)
+		return;
+
+	set_led(LED_ALARM_BLINKING);
+}
+#endif