board/BuR: rename tseries board to brppt1
Rename B&R tseries board to brppt1
Signed-off-by: Hannes Schmelzer <oe5hpm@oevsv.at>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/board/BuR/brppt1/board.c b/board/BuR/brppt1/board.c
new file mode 100644
index 0000000..a227221
--- /dev/null
+++ b/board/BuR/brppt1/board.c
@@ -0,0 +1,174 @@
+/*
+ * board.c
+ *
+ * Board functions for B&R BRPPT1
+ *
+ * Copyright (C) 2013 Hannes Schmelzer <oe5hpm@oevsv.at>
+ * Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
+ */
+
+#include <common.h>
+#include <errno.h>
+#include <spl.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/omap.h>
+#include <asm/arch/ddr_defs.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/mem.h>
+#include <asm/io.h>
+#include <asm/emif.h>
+#include <asm/gpio.h>
+#include <i2c.h>
+#include <power/tps65217.h>
+#include "../common/bur_common.h"
+#include <lcd.h>
+#include <watchdog.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* --------------------------------------------------------------------------*/
+/* -- defines for GPIO -- */
+#define REPSWITCH (0+20) /* GPIO0_20 */
+
+#if defined(CONFIG_SPL_BUILD)
+/* TODO: check ram-timing ! */
+static const struct ddr_data ddr3_data = {
+ .datardsratio0 = MT41K256M16HA125E_RD_DQS,
+ .datawdsratio0 = MT41K256M16HA125E_WR_DQS,
+ .datafwsratio0 = MT41K256M16HA125E_PHY_FIFO_WE,
+ .datawrsratio0 = MT41K256M16HA125E_PHY_WR_DATA,
+};
+
+static const struct cmd_control ddr3_cmd_ctrl_data = {
+ .cmd0csratio = MT41K256M16HA125E_RATIO,
+ .cmd0iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
+
+ .cmd1csratio = MT41K256M16HA125E_RATIO,
+ .cmd1iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
+
+ .cmd2csratio = MT41K256M16HA125E_RATIO,
+ .cmd2iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
+};
+
+static struct emif_regs ddr3_emif_reg_data = {
+ .sdram_config = MT41K256M16HA125E_EMIF_SDCFG,
+ .ref_ctrl = MT41K256M16HA125E_EMIF_SDREF,
+ .sdram_tim1 = MT41K256M16HA125E_EMIF_TIM1,
+ .sdram_tim2 = MT41K256M16HA125E_EMIF_TIM2,
+ .sdram_tim3 = MT41K256M16HA125E_EMIF_TIM3,
+ .zq_config = MT41K256M16HA125E_ZQ_CFG,
+ .emif_ddr_phy_ctlr_1 = MT41K256M16HA125E_EMIF_READ_LATENCY,
+};
+
+static const struct ctrl_ioregs ddr3_ioregs = {
+ .cm0ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
+ .cm1ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
+ .cm2ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
+ .dt0ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
+ .dt1ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
+};
+
+#ifdef CONFIG_SPL_OS_BOOT
+/*
+ * called from spl_nand.c
+ * return 0 for loading linux, return 1 for loading u-boot
+ */
+int spl_start_uboot(void)
+{
+ if (0 == gpio_get_value(REPSWITCH)) {
+ mdelay(1000);
+ printf("SPL: entering u-boot instead kernel image.\n");
+ return 1;
+ }
+ return 0;
+}
+#endif /* CONFIG_SPL_OS_BOOT */
+
+#define OSC (V_OSCK/1000000)
+static const struct dpll_params dpll_ddr3 = { 400, OSC-1, 1, -1, -1, -1, -1};
+
+void am33xx_spl_board_init(void)
+{
+ struct cm_perpll *const cmper = (struct cm_perpll *)CM_PER;
+ /*struct cm_wkuppll *const cmwkup = (struct cm_wkuppll *)CM_WKUP;*/
+ struct cm_dpll *const cmdpll = (struct cm_dpll *)CM_DPLL;
+
+ /*
+ * in TRM they write a reset value of 1 (=CLK_M_OSC) for the
+ * CLKSEL_TIMER6_CLK Register, in fact reset value is 0, so we need set
+ * the source of timer6 clk to CLK_M_OSC
+ */
+ writel(0x01, &cmdpll->clktimer6clk);
+
+ /* enable additional clocks of modules which are accessed later */
+ u32 *const clk_domains[] = {
+ &cmper->lcdcclkstctrl,
+ 0
+ };
+
+ u32 *const clk_modules_tsspecific[] = {
+ &cmper->lcdclkctrl,
+ &cmper->timer5clkctrl,
+ &cmper->timer6clkctrl,
+ 0
+ };
+ do_enable_clocks(clk_domains, clk_modules_tsspecific, 1);
+
+ /* setup LCD-Pixel Clock */
+ writel(0x2, &cmdpll->clklcdcpixelclk); /* clock comes from perPLL M2 */
+
+ /* setup I2C */
+ enable_i2c_pin_mux();
+ i2c_set_bus_num(0);
+ i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
+ pmicsetup(0);
+
+ gpio_direction_output(64+29, 1); /* switch NAND_RnB to GPMC_WAIT1 */
+ gpio_direction_output(64+28, 1); /* switch MII2_CRS to GPMC_WAIT0 */
+}
+
+const struct dpll_params *get_dpll_ddr_params(void)
+{
+ return &dpll_ddr3;
+}
+
+void sdram_init(void)
+{
+ config_ddr(400, &ddr3_ioregs,
+ &ddr3_data,
+ &ddr3_cmd_ctrl_data,
+ &ddr3_emif_reg_data, 0);
+}
+#endif /* CONFIG_SPL_BUILD */
+
+/* Basic board specific setup. Pinmux has been handled already. */
+int board_init(void)
+{
+#if defined(CONFIG_HW_WATCHDOG)
+ hw_watchdog_init();
+#endif
+ gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+#ifdef CONFIG_NAND
+ gpmc_init();
+#endif
+ return 0;
+}
+
+#ifdef CONFIG_BOARD_LATE_INIT
+int board_late_init(void)
+{
+ if (0 == gpio_get_value(REPSWITCH)) {
+ lcd_position_cursor(1, 8);
+ lcd_puts(
+ "switching to network-console ... ");
+ setenv("bootcmd", "run netconsole");
+ }
+ return 0;
+}
+#endif /* CONFIG_BOARD_LATE_INIT */