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+/*
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+ * (C) Copyright 2010
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+ * Daniel Gorsulowski <daniel.gorsulowski@esd.eu>
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+ * esd electronic system design gmbh <www.esd.eu>
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+ *
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+ * (C) Copyright 2007-2008
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+ * Stelian Pop <stelian.pop@leadtechdesign.com>
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+ * Lead Tech Design <www.leadtechdesign.com>
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+ *
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+ * See file CREDITS for list of people who contributed to this
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+ * project.
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+ *
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+ * This program is free software; you can redistribute it and/or
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+ * modify it under the terms of the GNU General Public License as
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+ * published by the Free Software Foundation; either version 2 of
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+ * the License, or (at your option) any later version.
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+ *
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+ * This program is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ * GNU General Public License for more details.
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+ *
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+ * You should have received a copy of the GNU General Public License
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+ * along with this program; if not, write to the Free Software
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+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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+ * MA 02111-1307 USA
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+ */
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+
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+#include <common.h>
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+#include <asm/arch/at91sam9263.h>
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+#include <asm/arch/at91sam9_matrix.h>
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+#include <asm/arch/at91sam9_smc.h>
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+#include <asm/arch/at91_common.h>
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+#include <asm/arch/at91_pmc.h>
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+#include <asm/arch/at91_rstc.h>
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+#include <asm/arch/clk.h>
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+#include <asm/arch/gpio.h>
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+#include <asm/arch/hardware.h>
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+#include <asm/arch/io.h>
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+#include <atmel_lcdc.h>
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+#include <lcd.h>
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+#include <netdev.h>
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+#ifdef CONFIG_LCD_INFO
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+#include <nand.h>
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+#include <version.h>
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+#endif
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+
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+DECLARE_GLOBAL_DATA_PTR;
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+
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+/*
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+ * Miscelaneous platform dependent initialisations
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+ */
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+
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+static int hw_rev = -1; /* hardware revision */
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+
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+int get_hw_rev(void)
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+{
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+ if (hw_rev >= 0)
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+ return hw_rev;
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+
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+ hw_rev = at91_get_gpio_value(AT91_PIN_PB19);
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+ hw_rev |= at91_get_gpio_value(AT91_PIN_PB20) << 1;
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+ hw_rev |= at91_get_gpio_value(AT91_PIN_PB21) << 2;
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+ hw_rev |= at91_get_gpio_value(AT91_PIN_PB22) << 3;
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+
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+ if (hw_rev == 15)
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+ hw_rev = 0;
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+
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+ return hw_rev;
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+}
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+
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+#ifdef CONFIG_CMD_NAND
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+static void otc570_nand_hw_init(void)
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+{
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+ unsigned long csa;
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+
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+ /* Enable CS3 */
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+ csa = at91_sys_read(AT91_MATRIX_EBI0CSA);
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+ at91_sys_write(AT91_MATRIX_EBI0CSA,
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+ csa | AT91_MATRIX_EBI0_CS3A_SMC_SMARTMEDIA);
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+
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+ /* Configure SMC CS3 for NAND/SmartMedia */
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+ at91_sys_write(AT91_SMC_SETUP(3),
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+ AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(0) |
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+ AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0));
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+ at91_sys_write(AT91_SMC_PULSE(3),
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+ AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3) |
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+ AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3));
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+ at91_sys_write(AT91_SMC_CYCLE(3),
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+ AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5));
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+ at91_sys_write(AT91_SMC_MODE(3),
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+ AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
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+ AT91_SMC_EXNWMODE_DISABLE |
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+ AT91_SMC_DBW_8 |
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+ AT91_SMC_TDF_(2));
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+
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+ /* Configure RDY/BSY */
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+ at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1);
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+
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+ /* Enable NandFlash */
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+ at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
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+}
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+#endif /* CONFIG_CMD_NAND */
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+
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+#ifdef CONFIG_MACB
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+static void otc570_macb_hw_init(void)
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+{
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+ /* Enable clock */
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+ at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_EMAC);
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+ at91_macb_hw_init();
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+}
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+#endif
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+
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+/*
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+ * Static memory controller initialization to enable Beckhoff ET1100 EtherCAT
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+ * controller debugging
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+ * The ET1100 is located at physical address 0x70000000
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+ * Its process memory is located at physical address 0x70001000
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+ */
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+static void otc570_ethercat_hw_init(void)
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+{
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+ /* Configure SMC EBI1_CS0 for EtherCAT */
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+ at91_sys_write(AT91_SMC1_SETUP(0),
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+ AT91_SMC_NWESETUP_(0) | AT91_SMC_NCS_WRSETUP_(0) |
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+ AT91_SMC_NRDSETUP_(0) | AT91_SMC_NCS_RDSETUP_(0));
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+ at91_sys_write(AT91_SMC1_PULSE(0),
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+ AT91_SMC_NWEPULSE_(4) | AT91_SMC_NCS_WRPULSE_(9) |
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+ AT91_SMC_NRDPULSE_(5) | AT91_SMC_NCS_RDPULSE_(9));
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+ at91_sys_write(AT91_SMC1_CYCLE(0),
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+ AT91_SMC_NWECYCLE_(10) | AT91_SMC_NRDCYCLE_(6));
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+ /*
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+ * Configure behavior at external wait signal, byte-select mode, 16 bit
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+ * data bus width, none data float wait states and TDF optimization
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+ */
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+ at91_sys_write(AT91_SMC1_MODE(0),
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+ AT91_SMC_READMODE | AT91_SMC_EXNWMODE_READY |
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+ AT91_SMC_BAT_SELECT | AT91_SMC_DBW_16 | AT91_SMC_TDF_(0) |
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+ AT91_SMC_TDFMODE);
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+
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+ /* Configure RDY/BSY */
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+ at91_set_B_periph(AT91_PIN_PE20, 0); /* EBI1_NWAIT */
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+}
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+
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+#ifdef CONFIG_LCD
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+/* Number of columns and rows, pixel clock in Hz and hsync/vsync polarity */
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+vidinfo_t panel_info = {
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+ .vl_col = 640,
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+ .vl_row = 480,
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+ .vl_clk = 25175000,
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+ .vl_sync = ATMEL_LCDC_INVLINE_INVERTED |
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+ ATMEL_LCDC_INVFRAME_INVERTED,
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+
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+ .vl_bpix = 3, /* Bits per pixel, 0 = 1bit, 3 = 8bit */
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+ .vl_tft = 1, /* 0 = passive, 1 = TFT */
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+ .vl_vsync_len = 1, /* Length of vertical sync in NOL */
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+ .vl_upper_margin = 35, /* Idle lines at the frame start */
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+ .vl_lower_margin = 5, /* Idle lines at the end of the frame */
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+ .vl_hsync_len = 5, /* Width of the LCDHSYNC pulse */
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+ .vl_left_margin = 112, /* Idle cycles at the line beginning */
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+ .vl_right_margin = 1, /* Idle cycles at the end of the line */
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+
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+ .mmio = AT91SAM9263_LCDC_BASE,
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+};
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+
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+void lcd_enable(void)
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+{
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+ at91_set_gpio_value(AT91_PIN_PA30, 0); /* power up */
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+}
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+
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+void lcd_disable(void)
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+{
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+ at91_set_gpio_value(AT91_PIN_PA30, 1); /* power down */
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+}
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+
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+static void otc570_lcd_hw_init(void)
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+{
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+ at91_set_A_periph(AT91_PIN_PC0, 0); /* LCDVSYNC */
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+ at91_set_A_periph(AT91_PIN_PC1, 0); /* LCDHSYNC */
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+ at91_set_A_periph(AT91_PIN_PC2, 0); /* LCDDOTCK */
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+ at91_set_A_periph(AT91_PIN_PC3, 0); /* LCDDEN */
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+ at91_set_B_periph(AT91_PIN_PB9, 0); /* LCDCC */
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+ at91_set_A_periph(AT91_PIN_PC6, 0); /* LCDD2 */
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+ at91_set_A_periph(AT91_PIN_PC7, 0); /* LCDD3 */
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+ at91_set_A_periph(AT91_PIN_PC8, 0); /* LCDD4 */
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+ at91_set_A_periph(AT91_PIN_PC9, 0); /* LCDD5 */
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+ at91_set_A_periph(AT91_PIN_PC10, 0); /* LCDD6 */
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+ at91_set_A_periph(AT91_PIN_PC11, 0); /* LCDD7 */
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+ at91_set_A_periph(AT91_PIN_PC14, 0); /* LCDD10 */
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+ at91_set_A_periph(AT91_PIN_PC15, 0); /* LCDD11 */
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+ at91_set_A_periph(AT91_PIN_PC16, 0); /* LCDD12 */
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+ at91_set_B_periph(AT91_PIN_PC12, 0); /* LCDD13 */
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+ at91_set_A_periph(AT91_PIN_PC18, 0); /* LCDD14 */
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+ at91_set_A_periph(AT91_PIN_PC19, 0); /* LCDD15 */
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+ at91_set_A_periph(AT91_PIN_PC22, 0); /* LCDD18 */
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+ at91_set_A_periph(AT91_PIN_PC23, 0); /* LCDD19 */
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+ at91_set_A_periph(AT91_PIN_PC24, 0); /* LCDD20 */
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+ at91_set_B_periph(AT91_PIN_PC17, 0); /* LCDD21 */
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+ at91_set_A_periph(AT91_PIN_PC26, 0); /* LCDD22 */
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+ at91_set_A_periph(AT91_PIN_PC27, 0); /* LCDD23 */
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+ at91_set_gpio_output(AT91_PIN_PA30, 1); /* PCI */
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+
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+ at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_LCDC);
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+
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+ gd->fb_base = CONFIG_OTC570_LCD_BASE;
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+}
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+
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+#ifdef CONFIG_LCD_INFO
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+void lcd_show_board_info(void)
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+{
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+ ulong dram_size, nand_size;
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+ int i;
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+ char temp[32];
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+
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+ dram_size = 0;
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+ for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
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+ dram_size += gd->bd->bi_dram[i].size;
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+ nand_size = 0;
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+ for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
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+ nand_size += nand_info[i].size;
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+
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+ lcd_printf("\n%s\n", U_BOOT_VERSION);
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+ lcd_printf("%s CPU at %s MHz\n", AT91_CPU_NAME,
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+ strmhz(temp, get_cpu_clk_rate()));
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+ lcd_printf(" %ld MB SDRAM, %ld MB NAND\n",
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+ dram_size >> 20,
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+ nand_size >> 20 );
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+ lcd_printf(" Board : esd ARM9 HMI Panel - OTC570\n");
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+ lcd_printf(" Hardware-revision: 1.%d\n", get_hw_rev());
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+ lcd_printf(" Mach-type : %lu\n", gd->bd->bi_arch_number);
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+}
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+#endif /* CONFIG_LCD_INFO */
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+#endif /* CONFIG_LCD */
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+
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+int dram_init(void)
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+{
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+ gd->bd->bi_dram[0].start = PHYS_SDRAM;
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+ gd->bd->bi_dram[0].size = get_ram_size((long *) PHYS_SDRAM, (1 << 27));
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+ return 0;
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+}
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+
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+int board_eth_init(bd_t *bis)
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+{
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+ int rc = 0;
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+#ifdef CONFIG_MACB
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+ rc = macb_eth_initialize(0, (void *)AT91SAM9263_BASE_EMAC, 0x00);
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+#endif
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+ return rc;
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+}
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+
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+int checkboard(void)
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+{
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+ char str[32];
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+
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+ puts("Board: esd ARM9 HMI Panel - OTC570");
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+ if (getenv_r("serial#", str, sizeof(str)) > 0) {
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+ puts(", serial# ");
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+ puts(str);
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+ }
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+ printf("\nHardware-revision: 1.%d\n", get_hw_rev());
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+ printf("Mach-type: %lu\n", gd->bd->bi_arch_number);
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+ return 0;
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+}
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+
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+#ifdef CONFIG_SERIAL_TAG
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+void get_board_serial(struct tag_serialnr *serialnr)
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+{
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+ char *str;
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+
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+ char *serial = getenv("serial#");
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+ if (serial) {
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+ str = strchr(serial, '_');
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+ if (str && (strlen(str) >= 4)) {
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+ serialnr->high = (*(str + 1) << 8) | *(str + 2);
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+ serialnr->low = simple_strtoul(str + 3, NULL, 16);
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+ }
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+ } else {
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+ serialnr->high = 0;
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+ serialnr->low = 0;
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+ }
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+}
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+#endif
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+
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+#ifdef CONFIG_REVISION_TAG
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+u32 get_board_rev(void)
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+{
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+ return hw_rev | 0x100;
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+}
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+#endif
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+
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+#ifdef CONFIG_MISC_INIT_R
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+int misc_init_r(void)
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+{
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+ char str[64];
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+
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+ at91_set_gpio_output(AT91_PIN_PA29, 1);
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+ at91_set_A_periph(AT91_PIN_PA26, 1); /* TXD0 */
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+ at91_set_A_periph(AT91_PIN_PA27, 0); /* RXD0 */
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+ at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_US0);
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+ /* Set USART_MODE = 1 (RS485) */
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+ at91_sys_write((0xFFF8C004 - AT91_BASE_SYS), 1);
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+
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+ printf("USART0: ");
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+
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+ if (getenv_r("usart0", str, sizeof(str)) == -1) {
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+ printf("No entry - assuming 1-wire\n");
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+ /* CTS pin, works as mode select pin (0 = 1-wire; 1 = RS485) */
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+ at91_set_gpio_output(AT91_PIN_PA29, 0);
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+ } else {
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+ if (strcmp(str, "1-wire") == 0) {
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+ printf("%s\n", str);
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+ at91_set_gpio_output(AT91_PIN_PA29, 0);
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+ } else if (strcmp(str, "rs485") == 0) {
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+ printf("%s\n", str);
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+ at91_set_gpio_output(AT91_PIN_PA29, 1);
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+ } else {
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+ printf("Wrong entry - assuming 1-wire ");
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+ printf("(valid values are '1-wire' or 'rs485')\n");
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+ at91_set_gpio_output(AT91_PIN_PA29, 0);
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+ }
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+ }
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+ printf("Display memory address: 0x%08lX\n", gd->fb_base);
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+
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+ return 0;
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+}
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+#endif /* CONFIG_MISC_INIT_R */
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+
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+int board_init(void)
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+{
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+ /* Peripheral Clock Enable Register */
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+ at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_PIOA |
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+ 1 << AT91SAM9263_ID_PIOB |
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+ 1 << AT91SAM9263_ID_PIOCDE |
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+ 1 << AT91SAM9263_ID_TWI |
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+ 1 << AT91SAM9263_ID_SPI0 |
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+ 1 << AT91SAM9263_ID_LCDC |
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+ 1 << AT91SAM9263_ID_UHP);
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+
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+ /* arch number of OTC570-Board */
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+ gd->bd->bi_arch_number = MACH_TYPE_OTC570;
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+
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+ /* adress of boot parameters */
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+ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
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+
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+ at91_serial_hw_init();
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+#ifdef CONFIG_CMD_NAND
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+ otc570_nand_hw_init();
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+#endif
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+ otc570_ethercat_hw_init();
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+#ifdef CONFIG_HAS_DATAFLASH
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+ at91_spi0_hw_init(1 << 0);
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+#endif
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+#ifdef CONFIG_MACB
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+ otc570_macb_hw_init();
|
|
|
+#endif
|
|
|
+#ifdef CONFIG_AT91_CAN
|
|
|
+ at91_can_hw_init();
|
|
|
+#endif
|
|
|
+#ifdef CONFIG_USB_OHCI_NEW
|
|
|
+ at91_uhp_hw_init();
|
|
|
+#endif
|
|
|
+#ifdef CONFIG_LCD
|
|
|
+ otc570_lcd_hw_init();
|
|
|
+#endif
|
|
|
+ return 0;
|
|
|
+}
|