From 84bbab9226163cca6ec58e4d5875fea1e53ec3b4 Mon Sep 17 00:00:00 2001 From: Furquan Shaikh Date: Tue, 24 Jun 2014 17:38:03 -0700 Subject: coreboot t132,rush: Add mainboard specific bootblock_init Pull in mainboard specific bootblock_init function from nyan into rush. Additionally, pull in all files required for proper compilation of rush after adding the bootblock_init function BUG=None BRANCH=None TEST=Compiles successfully for rush Original-Change-Id: I69c736275f66eca3ad92f97d166e91d4c2301364 Original-Signed-off-by: Furquan Shaikh Original-Reviewed-on: https://chromium-review.googlesource.com/205583 Original-Reviewed-by: Aaron Durbin Original-Commit-Queue: Furquan Shaikh Original-Tested-by: Furquan Shaikh (cherry picked from commit e7aac547026717d7380f71593010e3ea34ecea51) Signed-off-by: Marc Jones Change-Id: Ie26f91f8caaa06af3b195246febcdc70b9fe9795 Reviewed-on: http://review.coreboot.org/8570 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin --- src/mainboard/google/rush/Kconfig | 2 + src/mainboard/google/rush/Makefile.inc | 6 ++ src/mainboard/google/rush/boardid.c | 38 +++++++++++ src/mainboard/google/rush/boardid.h | 27 ++++++++ src/mainboard/google/rush/bootblock.c | 90 +++++++++++++++++++++++++ src/mainboard/google/rush/pmic.c | 116 +++++++++++++++++++++++++++++++++ src/mainboard/google/rush/pmic.h | 48 ++++++++++++++ src/mainboard/google/rush/reset.c | 29 +++++++++ src/mainboard/google/rush/reset.h | 25 +++++++ 9 files changed, 381 insertions(+) create mode 100644 src/mainboard/google/rush/boardid.c create mode 100644 src/mainboard/google/rush/boardid.h create mode 100644 src/mainboard/google/rush/bootblock.c create mode 100644 src/mainboard/google/rush/pmic.c create mode 100644 src/mainboard/google/rush/pmic.h create mode 100644 src/mainboard/google/rush/reset.c create mode 100644 src/mainboard/google/rush/reset.h (limited to 'src/mainboard/google/rush') diff --git a/src/mainboard/google/rush/Kconfig b/src/mainboard/google/rush/Kconfig index 9e36cacffd..5f7ae163d0 100644 --- a/src/mainboard/google/rush/Kconfig +++ b/src/mainboard/google/rush/Kconfig @@ -22,8 +22,10 @@ if BOARD_GOOGLE_RUSH config BOARD_SPECIFIC_OPTIONS # dummy def_bool y select SOC_NVIDIA_TEGRA132 + select MAINBOARD_HAS_BOOTBLOCK_INIT select BOARD_ROMSIZE_KB_4096 + config MAINBOARD_DIR string default google/rush diff --git a/src/mainboard/google/rush/Makefile.inc b/src/mainboard/google/rush/Makefile.inc index a0bd819442..4c6273f99f 100644 --- a/src/mainboard/google/rush/Makefile.inc +++ b/src/mainboard/google/rush/Makefile.inc @@ -27,6 +27,12 @@ $(obj)/generated/bct.cfg: subdirs-y += bct +bootblock-y += boardid.c +bootblock-y += bootblock.c +bootblock-y += pmic.c +bootblock-y += reset.c + romstage-y += romstage.c +romstage-y += reset.c ramstage-y += mainboard.c \ No newline at end of file diff --git a/src/mainboard/google/rush/boardid.c b/src/mainboard/google/rush/boardid.c new file mode 100644 index 0000000000..76bd4d9a84 --- /dev/null +++ b/src/mainboard/google/rush/boardid.c @@ -0,0 +1,38 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2014 Google Inc. + * + * 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; version 2 of the License. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include + +#include "boardid.h" + +uint8_t board_id(void) +{ + static int id = -1; + + if (id < 0) { + id = gpio_get_in_value(GPIO(Q3)) << 0 | + gpio_get_in_value(GPIO(T1)) << 1 | + gpio_get_in_value(GPIO(X1)) << 2 | + gpio_get_in_value(GPIO(X4)) << 3; + printk(BIOS_SPEW, "Board ID: %#x.\n", id); + } + + return id; +} diff --git a/src/mainboard/google/rush/boardid.h b/src/mainboard/google/rush/boardid.h new file mode 100644 index 0000000000..aa2ea5f903 --- /dev/null +++ b/src/mainboard/google/rush/boardid.h @@ -0,0 +1,27 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2014 Google Inc. + * + * 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; version 2 of the License. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef __MAINBOARD_GOOGLE_RUSH_BOARDID_H__ +#define __MAINBOARD_GOOGLE_RUSH_BOARDID_H__ + +#include + +uint8_t board_id(void); + +#endif /* __MAINBOARD_GOOGLE_RUSH_BOARDID_H__ */ diff --git a/src/mainboard/google/rush/bootblock.c b/src/mainboard/google/rush/bootblock.c new file mode 100644 index 0000000000..51fe9b3e99 --- /dev/null +++ b/src/mainboard/google/rush/bootblock.c @@ -0,0 +1,90 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2014 Google Inc. + * + * 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; version 2 of the License. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include /* FIXME: move back to soc code? */ + +#include "pmic.h" + +static struct clk_rst_ctlr *clk_rst = (void *)TEGRA_CLK_RST_BASE; + +static void set_clock_sources(void) +{ + /* UARTA gets PLLP, deactivate CLK_UART_DIV_OVERRIDE */ + writel(PLLP << CLK_SOURCE_SHIFT, &clk_rst->clk_src_uarta); + + clock_configure_source(mselect, PLLP, 102000); + + /* The PMIC is on I2C5 and can run at 400 KHz. */ + clock_configure_i2c_scl_freq(i2c5, PLLP, 400); + + /* TODO: We should be able to set this to 50MHz, but that did not seem + * reliable. */ + clock_configure_source(sbc4, PLLP, 33333); +} + +void bootblock_mainboard_init(void) +{ + set_clock_sources(); + + clock_enable_clear_reset(CLK_L_CACHE2 | CLK_L_TMR, + CLK_H_I2C5 | CLK_H_APBDMA, + 0, CLK_V_MSELECT, 0, 0); + + // Board ID GPIOs, bits 0-3. + gpio_input(GPIO(Q3)); + gpio_input(GPIO(T1)); + gpio_input(GPIO(X1)); + gpio_input(GPIO(X4)); + + // I2C5 (PMU) clock. + pinmux_set_config(PINMUX_PWR_I2C_SCL_INDEX, + PINMUX_PWR_I2C_SCL_FUNC_I2CPMU | PINMUX_INPUT_ENABLE); + // I2C5 (PMU) data. + pinmux_set_config(PINMUX_PWR_I2C_SDA_INDEX, + PINMUX_PWR_I2C_SDA_FUNC_I2CPMU | PINMUX_INPUT_ENABLE); + i2c_init(4); + pmic_init(4); + + /* SPI4 data out (MOSI) */ + pinmux_set_config(PINMUX_GPIO_PG6_INDEX, + PINMUX_GPIO_PG6_FUNC_SPI4 | PINMUX_INPUT_ENABLE | + PINMUX_PULL_UP); + /* SPI4 data in (MISO) */ + pinmux_set_config(PINMUX_GPIO_PG7_INDEX, + PINMUX_GPIO_PG7_FUNC_SPI4 | PINMUX_INPUT_ENABLE | + PINMUX_PULL_UP); + /* SPI4 clock */ + pinmux_set_config(PINMUX_GPIO_PG5_INDEX, + PINMUX_GPIO_PG5_FUNC_SPI4 | PINMUX_INPUT_ENABLE); + /* SPI4 chip select 0 */ + pinmux_set_config(PINMUX_GPIO_PI3_INDEX, + PINMUX_GPIO_PI3_FUNC_SPI4 | PINMUX_INPUT_ENABLE); + + tegra_spi_init(4); +} diff --git a/src/mainboard/google/rush/pmic.c b/src/mainboard/google/rush/pmic.c new file mode 100644 index 0000000000..c114066e8e --- /dev/null +++ b/src/mainboard/google/rush/pmic.c @@ -0,0 +1,116 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2014 Google Inc. + * Copyright (c) 2013, NVIDIA CORPORATION. All rights reserved. + * + * 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; version 2 of the License. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include +#include + +#include "boardid.h" +#include "pmic.h" +#include "reset.h" + +enum { + AS3722_I2C_ADDR = 0x40 +}; + +struct as3722_init_reg { + u8 reg; + u8 val; + u8 delay; +}; + +static struct as3722_init_reg init_list[] = { + {AS3722_SDO0, 0x3C, 1}, + {AS3722_SDO1, 0x32, 0}, + {AS3722_LDO3, 0x59, 0}, + {AS3722_SDO2, 0x3C, 0}, + {AS3722_SDO3, 0x00, 0}, + {AS3722_SDO4, 0x00, 0}, + {AS3722_SDO5, 0x50, 0}, + {AS3722_SDO6, 0x28, 1}, + {AS3722_LDO0, 0x8A, 0}, + {AS3722_LDO1, 0x00, 0}, + {AS3722_LDO2, 0x10, 0}, + {AS3722_LDO4, 0x00, 0}, + {AS3722_LDO5, 0x00, 0}, + {AS3722_LDO6, 0x00, 0}, + {AS3722_LDO7, 0x00, 0}, + {AS3722_LDO9, 0x00, 0}, + {AS3722_LDO10, 0x00, 0}, + {AS3722_LDO11, 0x00, 1}, +}; + +static void pmic_write_reg(unsigned bus, uint8_t reg, uint8_t val, int do_delay) +{ + if (i2c_writeb(bus, AS3722_I2C_ADDR, reg, val)) { + printk(BIOS_ERR, "%s: reg = 0x%02X, value = 0x%02X failed!\n", + __func__, reg, val); + /* Reset the SoC on any PMIC write error */ + cpu_reset(); + } else { + if (do_delay) + udelay(500); + } +} + +static void pmic_slam_defaults(unsigned bus) +{ + int i; + for (i = 0; i < ARRAY_SIZE(init_list); i++) { + struct as3722_init_reg *reg = &init_list[i]; + pmic_write_reg(bus, reg->reg, reg->val, reg->delay); + } +} + +void pmic_init(unsigned bus) +{ + /* + * Don't need to set up VDD_CORE - already done - by OTP + * Don't write SDCONTROL - it's already 0x7F, i.e. all SDs enabled. + * Don't write LDCONTROL - it's already 0xFF, i.e. all LDOs enabled. + */ + + /* Restore PMIC POR defaults, in case kernel changed 'em */ + pmic_slam_defaults(bus); + + /* First set VDD_CPU to 1.2V, then enable the VDD_CPU regulator. */ + if (board_id() == 0) + pmic_write_reg(bus, 0x00, 0x3c, 1); + else + pmic_write_reg(bus, 0x00, 0x50, 1); + + /* First set VDD_GPU to 1.0V, then enable the VDD_GPU regulator. */ + pmic_write_reg(bus, 0x06, 0x28, 1); + + /* + * First set +1.2V_GEN_AVDD to 1.2V, then enable the +1.2V_GEN_AVDD + * regulator. + */ + pmic_write_reg(bus, 0x12, 0x10, 1); + + /* + * Panel power GPIO O4. Set mode for GPIO4 (0x0c to 7), then set + * the value (register 0x20 bit 4) + */ + pmic_write_reg(bus, 0x0c, 0x07, 0); + pmic_write_reg(bus, 0x20, 0x10, 1); +} diff --git a/src/mainboard/google/rush/pmic.h b/src/mainboard/google/rush/pmic.h new file mode 100644 index 0000000000..b56c513416 --- /dev/null +++ b/src/mainboard/google/rush/pmic.h @@ -0,0 +1,48 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2014 Google Inc. + * + * 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; version 2 of the License. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef __MAINBOARD_GOOGLE_RUSH_PMIC_H__ +#define __MAINBOARD_GOOGLE_RUSH_PMIC_H__ + +enum { + AS3722_SDO0 = 0, + AS3722_SDO1, + AS3722_SDO2, + AS3722_SDO3, + AS3722_SDO4, + AS3722_SDO5, + AS3722_SDO6, + + AS3722_LDO0 = 0x10, + AS3722_LDO1, + AS3722_LDO2, + AS3722_LDO3, + AS3722_LDO4, + AS3722_LDO5, + AS3722_LDO6, + AS3722_LDO7, + + AS3722_LDO9 = 0x19, + AS3722_LDO10, + AS3722_LDO11, +}; + +void pmic_init(unsigned bus); + +#endif /* __MAINBOARD_GOOGLE_RUSH_PMIC_H__ */ diff --git a/src/mainboard/google/rush/reset.c b/src/mainboard/google/rush/reset.c new file mode 100644 index 0000000000..381634078b --- /dev/null +++ b/src/mainboard/google/rush/reset.c @@ -0,0 +1,29 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2014 Google Inc. + * + * 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; version 2 of the License. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include + +#include "reset.h" + +void cpu_reset(void) +{ + gpio_output(GPIO(I5), 0); + while(1); +} diff --git a/src/mainboard/google/rush/reset.h b/src/mainboard/google/rush/reset.h new file mode 100644 index 0000000000..be723ce316 --- /dev/null +++ b/src/mainboard/google/rush/reset.h @@ -0,0 +1,25 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2014 Google Inc. + * + * 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; version 2 of the License. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef __MAINBOARD_GOOGLE_RUSH_BOOTBLOCK_H__ +#define __MAINBOARD_GOOGLE_RUSH_BOOTBLOCK_H__ + +void cpu_reset(void); + +#endif /* __MAINBOARD_GOOGLE_RUSH_BOOTBLOCK_H__ */ -- cgit v1.2.3