summaryrefslogtreecommitdiff
path: root/board/bosch
diff options
context:
space:
mode:
Diffstat (limited to 'board/bosch')
-rw-r--r--board/bosch/guardian/Kconfig15
-rw-r--r--board/bosch/guardian/MAINTAINERS6
-rw-r--r--board/bosch/guardian/Makefile12
-rw-r--r--board/bosch/guardian/board.c186
-rw-r--r--board/bosch/guardian/board.h17
-rw-r--r--board/bosch/guardian/mux.c99
6 files changed, 335 insertions, 0 deletions
diff --git a/board/bosch/guardian/Kconfig b/board/bosch/guardian/Kconfig
new file mode 100644
index 0000000000..1417da61f0
--- /dev/null
+++ b/board/bosch/guardian/Kconfig
@@ -0,0 +1,15 @@
+if TARGET_AM335X_GUARDIAN
+
+config SYS_BOARD
+ default "guardian"
+
+config SYS_VENDOR
+ default "bosch"
+
+config SYS_SOC
+ default "am33xx"
+
+config SYS_CONFIG_NAME
+ default "am335x_guardian"
+
+endif
diff --git a/board/bosch/guardian/MAINTAINERS b/board/bosch/guardian/MAINTAINERS
new file mode 100644
index 0000000000..8d16ec0202
--- /dev/null
+++ b/board/bosch/guardian/MAINTAINERS
@@ -0,0 +1,6 @@
+Guardian BOARD
+M: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
+S: Maintained
+F: board/bosch/guardian/
+F: include/configs/am335x_guardian.h
+F: configs/am335x_guardian_defconfig
diff --git a/board/bosch/guardian/Makefile b/board/bosch/guardian/Makefile
new file mode 100644
index 0000000000..11625c9dd6
--- /dev/null
+++ b/board/bosch/guardian/Makefile
@@ -0,0 +1,12 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Makefile
+#
+# Copyright (C) 2018 Robert Bosch Power Tools GmbH
+#
+
+ifeq ($(CONFIG_SKIP_LOWLEVEL_INIT),)
+obj-y := mux.o
+endif
+
+obj-y += board.o
diff --git a/board/bosch/guardian/board.c b/board/bosch/guardian/board.c
new file mode 100644
index 0000000000..86ab180f5c
--- /dev/null
+++ b/board/bosch/guardian/board.c
@@ -0,0 +1,186 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * board.c
+ *
+ * Board functions for Bosch Guardian
+ *
+ * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
+ * Copyright (C) 2018 Robert Bosch Power Tools GmbH
+ */
+
+#include <common.h>
+#include <cpsw.h>
+#include <dm.h>
+#include <environment.h>
+#include <environment.h>
+#include <errno.h>
+#include <i2c.h>
+#include <miiphy.h>
+#include <panel.h>
+#include <power/tps65217.h>
+#include <power/tps65910.h>
+#include <spl.h>
+#include <watchdog.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/ddr_defs.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/mem.h>
+#include <asm/arch/mmc_host_def.h>
+#include <asm/arch/omap.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/emif.h>
+#include <asm/gpio.h>
+#include <asm/io.h>
+#include "board.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifndef CONFIG_SKIP_LOWLEVEL_INIT
+static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
+
+static const struct ddr_data ddr3_data = {
+ .datardsratio0 = MT41K128M16JT125K_RD_DQS,
+ .datawdsratio0 = MT41K128M16JT125K_WR_DQS,
+ .datafwsratio0 = MT41K128M16JT125K_PHY_FIFO_WE,
+ .datawrsratio0 = MT41K128M16JT125K_PHY_WR_DATA,
+};
+
+static const struct cmd_control ddr3_cmd_ctrl_data = {
+ .cmd0csratio = MT41K128M16JT125K_RATIO,
+ .cmd0iclkout = MT41K128M16JT125K_INVERT_CLKOUT,
+
+ .cmd1csratio = MT41K128M16JT125K_RATIO,
+ .cmd1iclkout = MT41K128M16JT125K_INVERT_CLKOUT,
+
+ .cmd2csratio = MT41K128M16JT125K_RATIO,
+ .cmd2iclkout = MT41K128M16JT125K_INVERT_CLKOUT,
+};
+
+static struct emif_regs ddr3_emif_reg_data = {
+ .sdram_config = MT41K128M16JT125K_EMIF_SDCFG,
+ .ref_ctrl = MT41K128M16JT125K_EMIF_SDREF,
+ .sdram_tim1 = MT41K128M16JT125K_EMIF_TIM1,
+ .sdram_tim2 = MT41K128M16JT125K_EMIF_TIM2,
+ .sdram_tim3 = MT41K128M16JT125K_EMIF_TIM3,
+ .zq_config = MT41K128M16JT125K_ZQ_CFG,
+ .emif_ddr_phy_ctlr_1 = MT41K128M16JT125K_EMIF_READ_LATENCY,
+};
+
+#define OSC (V_OSCK / 1000000)
+const struct dpll_params dpll_ddr = {
+ 400, OSC - 1, 1, -1, -1, -1, -1};
+
+void am33xx_spl_board_init(void)
+{
+ int mpu_vdd;
+ int usb_cur_lim;
+
+ /* Get the frequency */
+ dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);
+
+ if (i2c_probe(TPS65217_CHIP_PM))
+ return;
+
+ /*
+ * Increase USB current limit to 1300mA or 1800mA and set
+ * the MPU voltage controller as needed.
+ */
+ if (dpll_mpu_opp100.m == MPUPLL_M_1000) {
+ usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA;
+ mpu_vdd = TPS65217_DCDC_VOLT_SEL_1325MV;
+ } else {
+ usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA;
+ mpu_vdd = TPS65217_DCDC_VOLT_SEL_1275MV;
+ }
+
+ if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
+ TPS65217_POWER_PATH,
+ usb_cur_lim,
+ TPS65217_USB_INPUT_CUR_LIMIT_MASK))
+ puts("tps65217_reg_write failure\n");
+
+ /* Set DCDC3 (CORE) voltage to 1.125V */
+ if (tps65217_voltage_update(TPS65217_DEFDCDC3,
+ TPS65217_DCDC_VOLT_SEL_1125MV)) {
+ puts("tps65217_voltage_update failure\n");
+ return;
+ }
+
+ /* Set CORE Frequencies to OPP100 */
+ do_setup_dpll(&dpll_core_regs, &dpll_core_opp100);
+
+ /* Set DCDC2 (MPU) voltage */
+ if (tps65217_voltage_update(TPS65217_DEFDCDC2, mpu_vdd)) {
+ puts("tps65217_voltage_update failure\n");
+ return;
+ }
+
+ /*
+ * Set LDO3 to 1.8V and LDO4 to 3.3V
+ */
+ if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
+ TPS65217_DEFLS1,
+ TPS65217_LDO_VOLTAGE_OUT_1_8,
+ TPS65217_LDO_MASK))
+ puts("tps65217_reg_write failure\n");
+
+ if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
+ TPS65217_DEFLS2,
+ TPS65217_LDO_VOLTAGE_OUT_3_3,
+ TPS65217_LDO_MASK))
+ puts("tps65217_reg_write failure\n");
+
+ /* Set MPU Frequency to what we detected now that voltages are set */
+ do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100);
+}
+
+const struct dpll_params *get_dpll_ddr_params(void)
+{
+ enable_i2c0_pin_mux();
+ i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
+
+ return &dpll_ddr;
+}
+
+void set_uart_mux_conf(void)
+{
+ enable_uart0_pin_mux();
+}
+
+void set_mux_conf_regs(void)
+{
+ enable_board_pin_mux();
+}
+
+const struct ctrl_ioregs ioregs = {
+ .cm0ioctl = MT41K128M16JT125K_IOCTRL_VALUE,
+ .cm1ioctl = MT41K128M16JT125K_IOCTRL_VALUE,
+ .cm2ioctl = MT41K128M16JT125K_IOCTRL_VALUE,
+ .dt0ioctl = MT41K128M16JT125K_IOCTRL_VALUE,
+ .dt1ioctl = MT41K128M16JT125K_IOCTRL_VALUE,
+};
+
+void sdram_init(void)
+{
+ config_ddr(400, &ioregs,
+ &ddr3_data,
+ &ddr3_cmd_ctrl_data,
+ &ddr3_emif_reg_data, 0);
+}
+#endif
+
+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;
+}
diff --git a/board/bosch/guardian/board.h b/board/bosch/guardian/board.h
new file mode 100644
index 0000000000..b301caf47f
--- /dev/null
+++ b/board/bosch/guardian/board.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * board.h
+ *
+ * Board header for Bosch Guardian
+ *
+ * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
+ * Copyright (C) 2018 Robert Bosch Power Tools GmbH
+ */
+
+#ifndef _BOARD_H_
+#define _BOARD_H_
+
+void enable_uart0_pin_mux(void);
+void enable_i2c0_pin_mux(void);
+void enable_board_pin_mux(void);
+#endif
diff --git a/board/bosch/guardian/mux.c b/board/bosch/guardian/mux.c
new file mode 100644
index 0000000000..708c3e7fdd
--- /dev/null
+++ b/board/bosch/guardian/mux.c
@@ -0,0 +1,99 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * mux.c
+ *
+ * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
+ * Copyright (C) 2018 Robert Bosch Power Tools GmbH
+ */
+
+#include <common.h>
+#include <i2c.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/mux.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/io.h>
+#include "board.h"
+
+static struct module_pin_mux uart0_pin_mux[] = {
+ {OFFSET(uart0_rxd), (MODE(0) | PULLUP_EN | RXACTIVE)},
+ {OFFSET(uart0_txd), (MODE(0) | PULLUDEN)},
+ {-1},
+};
+
+static struct module_pin_mux i2c0_pin_mux[] = {
+ {OFFSET(i2c0_sda), (MODE(0) | RXACTIVE | PULLUDEN | SLEWCTRL)},
+ {OFFSET(i2c0_scl), (MODE(0) | RXACTIVE | PULLUDEN | SLEWCTRL)},
+ {-1},
+};
+
+static struct module_pin_mux adc_voltages_en[] = {
+ {OFFSET(mcasp0_ahclkx), (MODE(7) | PULLUP_EN)},
+ {-1},
+};
+
+static struct module_pin_mux asp_power_en[] = {
+ {OFFSET(mcasp0_aclkx), (MODE(7) | PULLUP_EN)},
+ {-1},
+};
+
+static struct module_pin_mux switch_off_3v6_pin_mux[] = {
+ {OFFSET(mii1_txd0), (MODE(7) | PULLUP_EN)},
+ /*
+ * The uart1 lines are made floating inputs, based on the Guardian
+ * A2 Sample Power Supply Schematics
+ */
+ {OFFSET(uart1_rxd), (MODE(7) | PULLUDDIS)},
+ {OFFSET(uart1_txd), (MODE(7) | PULLUDDIS)},
+ {-1},
+};
+
+#ifdef CONFIG_NAND
+static struct module_pin_mux nand_pin_mux[] = {
+ {OFFSET(gpmc_ad0), (MODE(0) | PULLUDDIS | RXACTIVE)},
+ {OFFSET(gpmc_ad1), (MODE(0) | PULLUDDIS | RXACTIVE)},
+ {OFFSET(gpmc_ad2), (MODE(0) | PULLUDDIS | RXACTIVE)},
+ {OFFSET(gpmc_ad3), (MODE(0) | PULLUDDIS | RXACTIVE)},
+ {OFFSET(gpmc_ad4), (MODE(0) | PULLUDDIS | RXACTIVE)},
+ {OFFSET(gpmc_ad5), (MODE(0) | PULLUDDIS | RXACTIVE)},
+ {OFFSET(gpmc_ad6), (MODE(0) | PULLUDDIS | RXACTIVE)},
+ {OFFSET(gpmc_ad7), (MODE(0) | PULLUDDIS | RXACTIVE)},
+#ifdef CONFIG_SYS_NAND_BUSWIDTH_16BIT
+ {OFFSET(gpmc_ad8), (MODE(0) | PULLUDDIS | RXACTIVE)},
+ {OFFSET(gpmc_ad9), (MODE(0) | PULLUDDIS | RXACTIVE)},
+ {OFFSET(gpmc_ad10), (MODE(0) | PULLUDDIS | RXACTIVE)},
+ {OFFSET(gpmc_ad11), (MODE(0) | PULLUDDIS | RXACTIVE)},
+ {OFFSET(gpmc_ad12), (MODE(0) | PULLUDDIS | RXACTIVE)},
+ {OFFSET(gpmc_ad13), (MODE(0) | PULLUDDIS | RXACTIVE)},
+ {OFFSET(gpmc_ad14), (MODE(0) | PULLUDDIS | RXACTIVE)},
+ {OFFSET(gpmc_ad15), (MODE(0) | PULLUDDIS | RXACTIVE)},
+#endif
+ {OFFSET(gpmc_wait0), (MODE(0) | PULLUP_EN | RXACTIVE)},
+ {OFFSET(gpmc_wpn), (MODE(7) | PULLUP_EN)},
+ {OFFSET(gpmc_csn0), (MODE(0) | PULLUP_EN)},
+ {OFFSET(gpmc_wen), (MODE(0) | PULLDOWN_EN)},
+ {OFFSET(gpmc_oen_ren), (MODE(0) | PULLDOWN_EN)},
+ {OFFSET(gpmc_advn_ale), (MODE(0) | PULLDOWN_EN)},
+ {OFFSET(gpmc_be0n_cle), (MODE(0) | PULLDOWN_EN)},
+ {-1},
+};
+#endif
+
+void enable_uart0_pin_mux(void)
+{
+ configure_module_pin_mux(uart0_pin_mux);
+}
+
+void enable_i2c0_pin_mux(void)
+{
+ configure_module_pin_mux(i2c0_pin_mux);
+}
+
+void enable_board_pin_mux(void)
+{
+#ifdef CONFIG_NAND
+ configure_module_pin_mux(nand_pin_mux);
+#endif
+ configure_module_pin_mux(adc_voltages_en);
+ configure_module_pin_mux(asp_power_en);
+ configure_module_pin_mux(switch_off_3v6_pin_mux);
+}
generated by cgit (git 2.34.1) at 2024-12-27 04:47:50 +0000