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authorDaniel Gorsulowski <Daniel.Gorsulowski@esd.eu>2010-01-25 10:50:41 +0100
committerTom Rix <Tom.Rix@windriver.com>2010-02-12 12:31:53 -0600
commit44d80256229d05862622f4dd886466fd70fe04ae (patch)
tree4c9eb7d39f80e009a3aa002087d5a6bc50ca1b89 /board/esd/otc570/otc570.c
parent0b692dcb190655c7eb96b6b8003bee163e3b58dd (diff)
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at91: Add esd gmbh OTC570 board support
This patch adds support for esd gmbh OTC570 board. The OTC570 is based on an Atmel AT91SAM9263 SoC. Signed-off-by: Daniel Gorsulowski <Daniel.Gorsulowski@esd.eu>
Diffstat (limited to 'board/esd/otc570/otc570.c')
-rw-r--r--board/esd/otc570/otc570.c365
1 files changed, 365 insertions, 0 deletions
diff --git a/board/esd/otc570/otc570.c b/board/esd/otc570/otc570.c
new file mode 100644
index 0000000..056df37
--- /dev/null
+++ b/board/esd/otc570/otc570.c
@@ -0,0 +1,365 @@
+/*
+ * (C) Copyright 2010
+ * Daniel Gorsulowski <daniel.gorsulowski@esd.eu>
+ * esd electronic system design gmbh <www.esd.eu>
+ *
+ * (C) Copyright 2007-2008
+ * Stelian Pop <stelian.pop@leadtechdesign.com>
+ * Lead Tech Design <www.leadtechdesign.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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/arch/at91sam9263.h>
+#include <asm/arch/at91sam9_matrix.h>
+#include <asm/arch/at91sam9_smc.h>
+#include <asm/arch/at91_common.h>
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/at91_rstc.h>
+#include <asm/arch/clk.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/io.h>
+#include <atmel_lcdc.h>
+#include <lcd.h>
+#include <netdev.h>
+#ifdef CONFIG_LCD_INFO
+#include <nand.h>
+#include <version.h>
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * Miscelaneous platform dependent initialisations
+ */
+
+static int hw_rev = -1; /* hardware revision */
+
+int get_hw_rev(void)
+{
+ if (hw_rev >= 0)
+ return hw_rev;
+
+ hw_rev = at91_get_gpio_value(AT91_PIN_PB19);
+ hw_rev |= at91_get_gpio_value(AT91_PIN_PB20) << 1;
+ hw_rev |= at91_get_gpio_value(AT91_PIN_PB21) << 2;
+ hw_rev |= at91_get_gpio_value(AT91_PIN_PB22) << 3;
+
+ if (hw_rev == 15)
+ hw_rev = 0;
+
+ return hw_rev;
+}
+
+#ifdef CONFIG_CMD_NAND
+static void otc570_nand_hw_init(void)
+{
+ unsigned long csa;
+
+ /* Enable CS3 */
+ csa = at91_sys_read(AT91_MATRIX_EBI0CSA);
+ at91_sys_write(AT91_MATRIX_EBI0CSA,
+ csa | AT91_MATRIX_EBI0_CS3A_SMC_SMARTMEDIA);
+
+ /* Configure SMC CS3 for NAND/SmartMedia */
+ at91_sys_write(AT91_SMC_SETUP(3),
+ AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(0) |
+ AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0));
+ at91_sys_write(AT91_SMC_PULSE(3),
+ AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3) |
+ AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3));
+ at91_sys_write(AT91_SMC_CYCLE(3),
+ AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5));
+ at91_sys_write(AT91_SMC_MODE(3),
+ AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
+ AT91_SMC_EXNWMODE_DISABLE |
+ AT91_SMC_DBW_8 |
+ AT91_SMC_TDF_(2));
+
+ /* Configure RDY/BSY */
+ at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1);
+
+ /* Enable NandFlash */
+ at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
+}
+#endif /* CONFIG_CMD_NAND */
+
+#ifdef CONFIG_MACB
+static void otc570_macb_hw_init(void)
+{
+ /* Enable clock */
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_EMAC);
+ at91_macb_hw_init();
+}
+#endif
+
+/*
+ * Static memory controller initialization to enable Beckhoff ET1100 EtherCAT
+ * controller debugging
+ * The ET1100 is located at physical address 0x70000000
+ * Its process memory is located at physical address 0x70001000
+ */
+static void otc570_ethercat_hw_init(void)
+{
+ /* Configure SMC EBI1_CS0 for EtherCAT */
+ at91_sys_write(AT91_SMC1_SETUP(0),
+ AT91_SMC_NWESETUP_(0) | AT91_SMC_NCS_WRSETUP_(0) |
+ AT91_SMC_NRDSETUP_(0) | AT91_SMC_NCS_RDSETUP_(0));
+ at91_sys_write(AT91_SMC1_PULSE(0),
+ AT91_SMC_NWEPULSE_(4) | AT91_SMC_NCS_WRPULSE_(9) |
+ AT91_SMC_NRDPULSE_(5) | AT91_SMC_NCS_RDPULSE_(9));
+ at91_sys_write(AT91_SMC1_CYCLE(0),
+ AT91_SMC_NWECYCLE_(10) | AT91_SMC_NRDCYCLE_(6));
+ /*
+ * Configure behavior at external wait signal, byte-select mode, 16 bit
+ * data bus width, none data float wait states and TDF optimization
+ */
+ at91_sys_write(AT91_SMC1_MODE(0),
+ AT91_SMC_READMODE | AT91_SMC_EXNWMODE_READY |
+ AT91_SMC_BAT_SELECT | AT91_SMC_DBW_16 | AT91_SMC_TDF_(0) |
+ AT91_SMC_TDFMODE);
+
+ /* Configure RDY/BSY */
+ at91_set_B_periph(AT91_PIN_PE20, 0); /* EBI1_NWAIT */
+}
+
+#ifdef CONFIG_LCD
+/* Number of columns and rows, pixel clock in Hz and hsync/vsync polarity */
+vidinfo_t panel_info = {
+ .vl_col = 640,
+ .vl_row = 480,
+ .vl_clk = 25175000,
+ .vl_sync = ATMEL_LCDC_INVLINE_INVERTED |
+ ATMEL_LCDC_INVFRAME_INVERTED,
+
+ .vl_bpix = 3, /* Bits per pixel, 0 = 1bit, 3 = 8bit */
+ .vl_tft = 1, /* 0 = passive, 1 = TFT */
+ .vl_vsync_len = 1, /* Length of vertical sync in NOL */
+ .vl_upper_margin = 35, /* Idle lines at the frame start */
+ .vl_lower_margin = 5, /* Idle lines at the end of the frame */
+ .vl_hsync_len = 5, /* Width of the LCDHSYNC pulse */
+ .vl_left_margin = 112, /* Idle cycles at the line beginning */
+ .vl_right_margin = 1, /* Idle cycles at the end of the line */
+
+ .mmio = AT91SAM9263_LCDC_BASE,
+};
+
+void lcd_enable(void)
+{
+ at91_set_gpio_value(AT91_PIN_PA30, 0); /* power up */
+}
+
+void lcd_disable(void)
+{
+ at91_set_gpio_value(AT91_PIN_PA30, 1); /* power down */
+}
+
+static void otc570_lcd_hw_init(void)
+{
+ at91_set_A_periph(AT91_PIN_PC0, 0); /* LCDVSYNC */
+ at91_set_A_periph(AT91_PIN_PC1, 0); /* LCDHSYNC */
+ at91_set_A_periph(AT91_PIN_PC2, 0); /* LCDDOTCK */
+ at91_set_A_periph(AT91_PIN_PC3, 0); /* LCDDEN */
+ at91_set_B_periph(AT91_PIN_PB9, 0); /* LCDCC */
+ at91_set_A_periph(AT91_PIN_PC6, 0); /* LCDD2 */
+ at91_set_A_periph(AT91_PIN_PC7, 0); /* LCDD3 */
+ at91_set_A_periph(AT91_PIN_PC8, 0); /* LCDD4 */
+ at91_set_A_periph(AT91_PIN_PC9, 0); /* LCDD5 */
+ at91_set_A_periph(AT91_PIN_PC10, 0); /* LCDD6 */
+ at91_set_A_periph(AT91_PIN_PC11, 0); /* LCDD7 */
+ at91_set_A_periph(AT91_PIN_PC14, 0); /* LCDD10 */
+ at91_set_A_periph(AT91_PIN_PC15, 0); /* LCDD11 */
+ at91_set_A_periph(AT91_PIN_PC16, 0); /* LCDD12 */
+ at91_set_B_periph(AT91_PIN_PC12, 0); /* LCDD13 */
+ at91_set_A_periph(AT91_PIN_PC18, 0); /* LCDD14 */
+ at91_set_A_periph(AT91_PIN_PC19, 0); /* LCDD15 */
+ at91_set_A_periph(AT91_PIN_PC22, 0); /* LCDD18 */
+ at91_set_A_periph(AT91_PIN_PC23, 0); /* LCDD19 */
+ at91_set_A_periph(AT91_PIN_PC24, 0); /* LCDD20 */
+ at91_set_B_periph(AT91_PIN_PC17, 0); /* LCDD21 */
+ at91_set_A_periph(AT91_PIN_PC26, 0); /* LCDD22 */
+ at91_set_A_periph(AT91_PIN_PC27, 0); /* LCDD23 */
+ at91_set_gpio_output(AT91_PIN_PA30, 1); /* PCI */
+
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_LCDC);
+
+ gd->fb_base = CONFIG_OTC570_LCD_BASE;
+}
+
+#ifdef CONFIG_LCD_INFO
+void lcd_show_board_info(void)
+{
+ ulong dram_size, nand_size;
+ int i;
+ char temp[32];
+
+ dram_size = 0;
+ for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
+ dram_size += gd->bd->bi_dram[i].size;
+ nand_size = 0;
+ for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
+ nand_size += nand_info[i].size;
+
+ lcd_printf("\n%s\n", U_BOOT_VERSION);
+ lcd_printf("%s CPU at %s MHz\n", AT91_CPU_NAME,
+ strmhz(temp, get_cpu_clk_rate()));
+ lcd_printf(" %ld MB SDRAM, %ld MB NAND\n",
+ dram_size >> 20,
+ nand_size >> 20 );
+ lcd_printf(" Board : esd ARM9 HMI Panel - OTC570\n");
+ lcd_printf(" Hardware-revision: 1.%d\n", get_hw_rev());
+ lcd_printf(" Mach-type : %lu\n", gd->bd->bi_arch_number);
+}
+#endif /* CONFIG_LCD_INFO */
+#endif /* CONFIG_LCD */
+
+int dram_init(void)
+{
+ gd->bd->bi_dram[0].start = PHYS_SDRAM;
+ gd->bd->bi_dram[0].size = get_ram_size((long *) PHYS_SDRAM, (1 << 27));
+ return 0;
+}
+
+int board_eth_init(bd_t *bis)
+{
+ int rc = 0;
+#ifdef CONFIG_MACB
+ rc = macb_eth_initialize(0, (void *)AT91SAM9263_BASE_EMAC, 0x00);
+#endif
+ return rc;
+}
+
+int checkboard(void)
+{
+ char str[32];
+
+ puts("Board: esd ARM9 HMI Panel - OTC570");
+ if (getenv_r("serial#", str, sizeof(str)) > 0) {
+ puts(", serial# ");
+ puts(str);
+ }
+ printf("\nHardware-revision: 1.%d\n", get_hw_rev());
+ printf("Mach-type: %lu\n", gd->bd->bi_arch_number);
+ return 0;
+}
+
+#ifdef CONFIG_SERIAL_TAG
+void get_board_serial(struct tag_serialnr *serialnr)
+{
+ char *str;
+
+ char *serial = getenv("serial#");
+ if (serial) {
+ str = strchr(serial, '_');
+ if (str && (strlen(str) >= 4)) {
+ serialnr->high = (*(str + 1) << 8) | *(str + 2);
+ serialnr->low = simple_strtoul(str + 3, NULL, 16);
+ }
+ } else {
+ serialnr->high = 0;
+ serialnr->low = 0;
+ }
+}
+#endif
+
+#ifdef CONFIG_REVISION_TAG
+u32 get_board_rev(void)
+{
+ return hw_rev | 0x100;
+}
+#endif
+
+#ifdef CONFIG_MISC_INIT_R
+int misc_init_r(void)
+{
+ char str[64];
+
+ at91_set_gpio_output(AT91_PIN_PA29, 1);
+ at91_set_A_periph(AT91_PIN_PA26, 1); /* TXD0 */
+ at91_set_A_periph(AT91_PIN_PA27, 0); /* RXD0 */
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_US0);
+ /* Set USART_MODE = 1 (RS485) */
+ at91_sys_write((0xFFF8C004 - AT91_BASE_SYS), 1);
+
+ printf("USART0: ");
+
+ if (getenv_r("usart0", str, sizeof(str)) == -1) {
+ printf("No entry - assuming 1-wire\n");
+ /* CTS pin, works as mode select pin (0 = 1-wire; 1 = RS485) */
+ at91_set_gpio_output(AT91_PIN_PA29, 0);
+ } else {
+ if (strcmp(str, "1-wire") == 0) {
+ printf("%s\n", str);
+ at91_set_gpio_output(AT91_PIN_PA29, 0);
+ } else if (strcmp(str, "rs485") == 0) {
+ printf("%s\n", str);
+ at91_set_gpio_output(AT91_PIN_PA29, 1);
+ } else {
+ printf("Wrong entry - assuming 1-wire ");
+ printf("(valid values are '1-wire' or 'rs485')\n");
+ at91_set_gpio_output(AT91_PIN_PA29, 0);
+ }
+ }
+ printf("Display memory address: 0x%08lX\n", gd->fb_base);
+
+ return 0;
+}
+#endif /* CONFIG_MISC_INIT_R */
+
+int board_init(void)
+{
+ /* Peripheral Clock Enable Register */
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_PIOA |
+ 1 << AT91SAM9263_ID_PIOB |
+ 1 << AT91SAM9263_ID_PIOCDE |
+ 1 << AT91SAM9263_ID_TWI |
+ 1 << AT91SAM9263_ID_SPI0 |
+ 1 << AT91SAM9263_ID_LCDC |
+ 1 << AT91SAM9263_ID_UHP);
+
+ /* arch number of OTC570-Board */
+ gd->bd->bi_arch_number = MACH_TYPE_OTC570;
+
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+ at91_serial_hw_init();
+#ifdef CONFIG_CMD_NAND
+ otc570_nand_hw_init();
+#endif
+ otc570_ethercat_hw_init();
+#ifdef CONFIG_HAS_DATAFLASH
+ at91_spi0_hw_init(1 << 0);
+#endif
+#ifdef CONFIG_MACB
+ 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;
+}