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>

1 files changed, 174 insertions, 0 deletions

diff --git a/board/BuR/brppt1/board.c b/board/BuR/brppt1/board.c
new file mode 100644
index 0000000000..a22722122b
--- /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 */