nyans: reduce code duplication in bootblock and romstages

this change reduces the code duplication of the bootblock and the romstages for
Nyans.

BUG=none
TEST=Built Nyan, Big, and Blaze. Ran faft on Blaze.
BRANCH=none
Original-Signed-off-by: dnojiri@chromium.org (Daisuke Nojiri)
Original-Change-Id: Ieb9dac3b061a2cf46c63afb2f31eb67ab391ea1a
Original-Reviewed-on: https://chromium-review.googlesource.com/214050
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Original-Reviewed-by: Daisuke Nojiri <dnojiri@chromium.org>
Original-Commit-Queue: Daisuke Nojiri <dnojiri@chromium.org>
Original-Tested-by: Daisuke Nojiri <dnojiri@chromium.org>

(cherry picked from commit f3413d39458f03895fe4963a41285f71d81bcf5f)
Signed-off-by: Aaron Durbin <adurbin@chromium.org>

Change-Id: I912f63b12321aa26a7add302fc8a6c4e607330ef
Reviewed-on: http://review.coreboot.org/8880
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Daisuke Nojiri 2014-08-27 11:48:03 -07:00 committed by Aaron Durbin
parent dad16b1c58
commit 1b05d887d7
16 changed files with 460 additions and 479 deletions

View File

@ -36,6 +36,7 @@ romstage-y += reset.c
romstage-y += romstage.c romstage-y += romstage.c
romstage-y += sdram_configs.c romstage-y += sdram_configs.c
romstage-$(CONFIG_CHROMEOS) += chromeos.c romstage-$(CONFIG_CHROMEOS) += chromeos.c
romstage-y += early_configs.c
ramstage-y += boardid.c ramstage-y += boardid.c
ramstage-y += mainboard.c ramstage-y += mainboard.c

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@ -0,0 +1,103 @@
/*
* 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 <soc/addressmap.h>
#include <soc/clock.h>
#include <soc/nvidia/tegra/i2c.h>
#include <soc/nvidia/tegra124/gpio.h>
#include <soc/nvidia/tegra124/early_configs.h>
static struct clk_rst_ctlr *clk_rst = (void *)TEGRA_CLK_RST_BASE;
static void setup_pinmux(void)
{
/* Write protect. */
gpio_input_pullup(GPIO(R1));
/* Recovery mode. */
gpio_input_pullup(GPIO(Q7));
/* Lid switch. */
gpio_input_pullup(GPIO(R4));
/* Power switch. */
gpio_input_pullup(GPIO(Q0));
/* Developer mode. */
gpio_input_pullup(GPIO(Q6));
/* EC in RW. */
gpio_input_pullup(GPIO(U4));
/* route PU4/5 to GMI to remove conflict w/PWM1/2. */
pinmux_set_config(PINMUX_GPIO_PU4_INDEX,
PINMUX_GPIO_PU4_FUNC_NOR); /* s/b GMI */
pinmux_set_config(PINMUX_GPIO_PU5_INDEX,
PINMUX_GPIO_PU5_FUNC_NOR); /* s/b GMI */
/* SOC and TPM reset GPIO, active low. */
gpio_output(GPIO(I5), 1);
/* SPI1 MOSI */
pinmux_set_config(PINMUX_ULPI_CLK_INDEX, PINMUX_ULPI_CLK_FUNC_SPI1 |
PINMUX_PULL_NONE |
PINMUX_INPUT_ENABLE);
/* SPI1 MISO */
pinmux_set_config(PINMUX_ULPI_DIR_INDEX, PINMUX_ULPI_DIR_FUNC_SPI1 |
PINMUX_PULL_NONE |
PINMUX_INPUT_ENABLE);
/* SPI1 SCLK */
pinmux_set_config(PINMUX_ULPI_NXT_INDEX, PINMUX_ULPI_NXT_FUNC_SPI1 |
PINMUX_PULL_NONE |
PINMUX_INPUT_ENABLE);
/* SPI1 CS0 */
pinmux_set_config(PINMUX_ULPI_STP_INDEX, PINMUX_ULPI_STP_FUNC_SPI1 |
PINMUX_PULL_NONE |
PINMUX_INPUT_ENABLE);
/* I2C3 (cam) clock. */
pinmux_set_config(PINMUX_CAM_I2C_SCL_INDEX,
PINMUX_CAM_I2C_SCL_FUNC_I2C3 | PINMUX_INPUT_ENABLE);
/* I2C3 (cam) data. */
pinmux_set_config(PINMUX_CAM_I2C_SDA_INDEX,
PINMUX_CAM_I2C_SDA_FUNC_I2C3 | PINMUX_INPUT_ENABLE);
/* switch unused pin to GPIO */
gpio_set_mode(GPIO(X3), GPIO_MODE_GPIO);
gpio_set_mode(GPIO(X4), GPIO_MODE_GPIO);
gpio_set_mode(GPIO(X5), GPIO_MODE_GPIO);
gpio_set_mode(GPIO(X6), GPIO_MODE_GPIO);
gpio_set_mode(GPIO(X7), GPIO_MODE_GPIO);
gpio_set_mode(GPIO(W3), GPIO_MODE_GPIO);
}
static void configure_ec_spi_bus(void)
{
clock_configure_source(sbc1, CLK_M, 3000);
}
static void configure_tpm_i2c_bus(void)
{
clock_configure_i2c_scl_freq(i2c3, PLLP, 400);
i2c_init(2);
}
void early_mainboard_init(void)
{
clock_enable_clear_reset(0, CLK_H_SBC1, CLK_U_I2C3, 0, 0, 0);
setup_pinmux();
configure_ec_spi_bus();
configure_tpm_i2c_bus();
}

View File

@ -30,8 +30,10 @@
#include <vendorcode/google/chromeos/chromeos.h> #include <vendorcode/google/chromeos/chromeos.h>
#include "sdram_configs.h" #include "sdram_configs.h"
#include <soc/nvidia/tegra/i2c.h> #include <soc/nvidia/tegra/i2c.h>
#include <soc/nvidia/tegra124/cache.h>
#include <soc/nvidia/tegra124/chip.h> #include <soc/nvidia/tegra124/chip.h>
#include <soc/nvidia/tegra124/clk_rst.h> #include <soc/nvidia/tegra124/clk_rst.h>
#include <soc/nvidia/tegra124/early_configs.h>
#include <soc/nvidia/tegra124/power.h> #include <soc/nvidia/tegra124/power.h>
#include <soc/nvidia/tegra124/sdram.h> #include <soc/nvidia/tegra124/sdram.h>
#include <soc/addressmap.h> #include <soc/addressmap.h>
@ -39,120 +41,12 @@
#include <soc/display.h> #include <soc/display.h>
#include <timestamp.h> #include <timestamp.h>
static struct clk_rst_ctlr *clk_rst = (void *)TEGRA_CLK_RST_BASE;
enum {
L2CTLR_ECC_PARITY = 0x1 << 21,
L2CTLR_TAG_RAM_LATENCY_MASK = 0x7 << 6,
L2CTLR_TAG_RAM_LATENCY_CYCLES_3 = 2 << 6,
L2CTLR_DATA_RAM_LATENCY_MASK = 0x7 << 0,
L2CTLR_DATA_RAM_LATENCY_CYCLES_3 = 2 << 0
};
enum {
L2ACTLR_FORCE_L2_LOGIC_CLOCK_ENABLE_ACTIVE = 0x1 << 27,
L2ACTLR_ENABLE_HAZARD_DETECT_TIMEOUT = 0x1 << 7,
L2ACTLR_DISABLE_CLEAN_EVICT_PUSH_EXTERNAL = 0x1 << 3
};
/* Configures L2 Control Register to use 3 cycles for DATA/TAG RAM latency. */
static void configure_l2ctlr(void)
{
uint32_t val;
val = read_l2ctlr();
val &= ~(L2CTLR_DATA_RAM_LATENCY_MASK | L2CTLR_TAG_RAM_LATENCY_MASK);
val |= (L2CTLR_DATA_RAM_LATENCY_CYCLES_3 | L2CTLR_TAG_RAM_LATENCY_CYCLES_3 |
L2CTLR_ECC_PARITY);
write_l2ctlr(val);
}
/* Configures L2 Auxiliary Control Register for Cortex A15. */
static void configure_l2actlr(void)
{
uint32_t val;
val = read_l2actlr();
val |= (L2ACTLR_DISABLE_CLEAN_EVICT_PUSH_EXTERNAL |
L2ACTLR_ENABLE_HAZARD_DETECT_TIMEOUT |
L2ACTLR_FORCE_L2_LOGIC_CLOCK_ENABLE_ACTIVE);
write_l2actlr(val);
}
static void setup_pinmux(void)
{
// Write protect.
gpio_input_pullup(GPIO(R1));
// Recovery mode.
gpio_input_pullup(GPIO(Q7));
// Lid switch.
gpio_input_pullup(GPIO(R4));
// Power switch.
gpio_input_pullup(GPIO(Q0));
// Developer mode.
gpio_input_pullup(GPIO(Q6));
// EC in RW.
gpio_input_pullup(GPIO(U4));
// route PU4/5 to GMI to remove conflict w/PWM1/2.
pinmux_set_config(PINMUX_GPIO_PU4_INDEX, PINMUX_GPIO_PU4_FUNC_NOR); //s/b GMI
pinmux_set_config(PINMUX_GPIO_PU5_INDEX, PINMUX_GPIO_PU5_FUNC_NOR); //s/b GMI
// SOC and TPM reset GPIO, active low.
gpio_output(GPIO(I5), 1);
// SPI1 MOSI
pinmux_set_config(PINMUX_ULPI_CLK_INDEX, PINMUX_ULPI_CLK_FUNC_SPI1 |
PINMUX_PULL_NONE |
PINMUX_INPUT_ENABLE);
// SPI1 MISO
pinmux_set_config(PINMUX_ULPI_DIR_INDEX, PINMUX_ULPI_DIR_FUNC_SPI1 |
PINMUX_PULL_NONE |
PINMUX_INPUT_ENABLE);
// SPI1 SCLK
pinmux_set_config(PINMUX_ULPI_NXT_INDEX, PINMUX_ULPI_NXT_FUNC_SPI1 |
PINMUX_PULL_NONE |
PINMUX_INPUT_ENABLE);
// SPI1 CS0
pinmux_set_config(PINMUX_ULPI_STP_INDEX, PINMUX_ULPI_STP_FUNC_SPI1 |
PINMUX_PULL_NONE |
PINMUX_INPUT_ENABLE);
// I2C3 (cam) clock.
pinmux_set_config(PINMUX_CAM_I2C_SCL_INDEX,
PINMUX_CAM_I2C_SCL_FUNC_I2C3 | PINMUX_INPUT_ENABLE);
// I2C3 (cam) data.
pinmux_set_config(PINMUX_CAM_I2C_SDA_INDEX,
PINMUX_CAM_I2C_SDA_FUNC_I2C3 | PINMUX_INPUT_ENABLE);
// switch unused pin to GPIO
gpio_set_mode(GPIO(X3), GPIO_MODE_GPIO);
gpio_set_mode(GPIO(X4), GPIO_MODE_GPIO);
gpio_set_mode(GPIO(X5), GPIO_MODE_GPIO);
gpio_set_mode(GPIO(X6), GPIO_MODE_GPIO);
gpio_set_mode(GPIO(X7), GPIO_MODE_GPIO);
gpio_set_mode(GPIO(W3), GPIO_MODE_GPIO);
}
static void configure_ec_spi_bus(void)
{
clock_configure_source(sbc1, CLK_M, 3000);
}
static void configure_tpm_i2c_bus(void)
{
clock_configure_i2c_scl_freq(i2c3, PLLP, 400);
i2c_init(2);
}
static void __attribute__((noinline)) romstage(void) static void __attribute__((noinline)) romstage(void)
{ {
timestamp_init(0); timestamp_init(0);
timestamp_add_now(TS_START_ROMSTAGE); timestamp_add_now(TS_START_ROMSTAGE);
configure_l2ctlr(); configure_l2_cache();
configure_l2actlr();
console_init(); console_init();
exception_init(); exception_init();
@ -191,13 +85,10 @@ static void __attribute__((noinline)) romstage(void)
cbmem_initialize_empty(); cbmem_initialize_empty();
// Enable additional peripherals we need for ROM stage. timestamp_init(0);
clock_enable_clear_reset(0, CLK_H_SBC1, CLK_U_I2C3, 0, 0, 0); timestamp_add(TS_START_ROMSTAGE, romstage_start_time);
setup_pinmux(); early_mainboard_init();
configure_ec_spi_bus();
configure_tpm_i2c_bus();
vboot_verify_firmware(romstage_handoff_find_or_add()); vboot_verify_firmware(romstage_handoff_find_or_add());

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@ -35,6 +35,7 @@ romstage-y += reset.c
romstage-y += romstage.c romstage-y += romstage.c
romstage-y += sdram_configs.c romstage-y += sdram_configs.c
romstage-$(CONFIG_CHROMEOS) += chromeos.c romstage-$(CONFIG_CHROMEOS) += chromeos.c
romstage-y += early_configs.c
ramstage-y += boardid.c ramstage-y += boardid.c
ramstage-y += mainboard.c ramstage-y += mainboard.c

View File

@ -0,0 +1,103 @@
/*
* 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 <soc/addressmap.h>
#include <soc/clock.h>
#include <soc/nvidia/tegra/i2c.h>
#include <soc/nvidia/tegra124/gpio.h>
#include <soc/nvidia/tegra124/early_configs.h>
static struct clk_rst_ctlr *clk_rst = (void *)TEGRA_CLK_RST_BASE;
static void setup_pinmux(void)
{
/* Write protect. */
gpio_input_pullup(GPIO(R1));
/* Recovery mode. */
gpio_input_pullup(GPIO(Q7));
/* Lid switch. */
gpio_input_pullup(GPIO(R4));
/* Power switch. */
gpio_input_pullup(GPIO(Q0));
/* Developer mode. */
gpio_input_pullup(GPIO(Q6));
/* EC in RW. */
gpio_input_pullup(GPIO(U4));
/* route PU4/5 to GMI to remove conflict w/PWM1/2. */
pinmux_set_config(PINMUX_GPIO_PU4_INDEX,
PINMUX_GPIO_PU4_FUNC_NOR); /* s/b GMI */
pinmux_set_config(PINMUX_GPIO_PU5_INDEX,
PINMUX_GPIO_PU5_FUNC_NOR); /* s/b GMI */
/* SOC and TPM reset GPIO, active low. */
gpio_output(GPIO(I5), 1);
/* SPI1 MOSI */
pinmux_set_config(PINMUX_ULPI_CLK_INDEX, PINMUX_ULPI_CLK_FUNC_SPI1 |
PINMUX_PULL_NONE |
PINMUX_INPUT_ENABLE);
/* SPI1 MISO */
pinmux_set_config(PINMUX_ULPI_DIR_INDEX, PINMUX_ULPI_DIR_FUNC_SPI1 |
PINMUX_PULL_NONE |
PINMUX_INPUT_ENABLE);
/* SPI1 SCLK */
pinmux_set_config(PINMUX_ULPI_NXT_INDEX, PINMUX_ULPI_NXT_FUNC_SPI1 |
PINMUX_PULL_NONE |
PINMUX_INPUT_ENABLE);
/* SPI1 CS0 */
pinmux_set_config(PINMUX_ULPI_STP_INDEX, PINMUX_ULPI_STP_FUNC_SPI1 |
PINMUX_PULL_NONE |
PINMUX_INPUT_ENABLE);
/* I2C3 (cam) clock. */
pinmux_set_config(PINMUX_CAM_I2C_SCL_INDEX,
PINMUX_CAM_I2C_SCL_FUNC_I2C3 | PINMUX_INPUT_ENABLE);
/* I2C3 (cam) data. */
pinmux_set_config(PINMUX_CAM_I2C_SDA_INDEX,
PINMUX_CAM_I2C_SDA_FUNC_I2C3 | PINMUX_INPUT_ENABLE);
/* switch unused pin to GPIO */
gpio_set_mode(GPIO(X3), GPIO_MODE_GPIO);
gpio_set_mode(GPIO(X4), GPIO_MODE_GPIO);
gpio_set_mode(GPIO(X5), GPIO_MODE_GPIO);
gpio_set_mode(GPIO(X6), GPIO_MODE_GPIO);
gpio_set_mode(GPIO(X7), GPIO_MODE_GPIO);
gpio_set_mode(GPIO(W3), GPIO_MODE_GPIO);
}
static void configure_ec_spi_bus(void)
{
clock_configure_source(sbc1, CLK_M, 3000);
}
static void configure_tpm_i2c_bus(void)
{
clock_configure_i2c_scl_freq(i2c3, PLLP, 400);
i2c_init(2);
}
void early_mainboard_init(void)
{
clock_enable_clear_reset(0, CLK_H_SBC1, CLK_U_I2C3, 0, 0, 0);
setup_pinmux();
configure_ec_spi_bus();
configure_tpm_i2c_bus();
}

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@ -30,8 +30,10 @@
#include <vendorcode/google/chromeos/chromeos.h> #include <vendorcode/google/chromeos/chromeos.h>
#include "sdram_configs.h" #include "sdram_configs.h"
#include <soc/nvidia/tegra/i2c.h> #include <soc/nvidia/tegra/i2c.h>
#include <soc/nvidia/tegra124/cache.h>
#include <soc/nvidia/tegra124/chip.h> #include <soc/nvidia/tegra124/chip.h>
#include <soc/nvidia/tegra124/clk_rst.h> #include <soc/nvidia/tegra124/clk_rst.h>
#include <soc/nvidia/tegra124/early_configs.h>
#include <soc/nvidia/tegra124/power.h> #include <soc/nvidia/tegra124/power.h>
#include <soc/nvidia/tegra124/sdram.h> #include <soc/nvidia/tegra124/sdram.h>
#include <soc/addressmap.h> #include <soc/addressmap.h>
@ -39,120 +41,12 @@
#include <soc/display.h> #include <soc/display.h>
#include <timestamp.h> #include <timestamp.h>
static struct clk_rst_ctlr *clk_rst = (void *)TEGRA_CLK_RST_BASE;
enum {
L2CTLR_ECC_PARITY = 0x1 << 21,
L2CTLR_TAG_RAM_LATENCY_MASK = 0x7 << 6,
L2CTLR_TAG_RAM_LATENCY_CYCLES_3 = 2 << 6,
L2CTLR_DATA_RAM_LATENCY_MASK = 0x7 << 0,
L2CTLR_DATA_RAM_LATENCY_CYCLES_3 = 2 << 0
};
enum {
L2ACTLR_FORCE_L2_LOGIC_CLOCK_ENABLE_ACTIVE = 0x1 << 27,
L2ACTLR_ENABLE_HAZARD_DETECT_TIMEOUT = 0x1 << 7,
L2ACTLR_DISABLE_CLEAN_EVICT_PUSH_EXTERNAL = 0x1 << 3
};
/* Configures L2 Control Register to use 3 cycles for DATA/TAG RAM latency. */
static void configure_l2ctlr(void)
{
uint32_t val;
val = read_l2ctlr();
val &= ~(L2CTLR_DATA_RAM_LATENCY_MASK | L2CTLR_TAG_RAM_LATENCY_MASK);
val |= (L2CTLR_DATA_RAM_LATENCY_CYCLES_3 | L2CTLR_TAG_RAM_LATENCY_CYCLES_3 |
L2CTLR_ECC_PARITY);
write_l2ctlr(val);
}
/* Configures L2 Auxiliary Control Register for Cortex A15. */
static void configure_l2actlr(void)
{
uint32_t val;
val = read_l2actlr();
val |= (L2ACTLR_DISABLE_CLEAN_EVICT_PUSH_EXTERNAL |
L2ACTLR_ENABLE_HAZARD_DETECT_TIMEOUT |
L2ACTLR_FORCE_L2_LOGIC_CLOCK_ENABLE_ACTIVE);
write_l2actlr(val);
}
static void setup_pinmux(void)
{
// Write protect.
gpio_input_pullup(GPIO(R1));
// Recovery mode.
gpio_input_pullup(GPIO(Q7));
// Lid switch.
gpio_input_pullup(GPIO(R4));
// Power switch.
gpio_input_pullup(GPIO(Q0));
// Developer mode.
gpio_input_pullup(GPIO(Q6));
// EC in RW.
gpio_input_pullup(GPIO(U4));
// route PU4/5 to GMI to remove conflict w/PWM1/2.
pinmux_set_config(PINMUX_GPIO_PU4_INDEX, PINMUX_GPIO_PU4_FUNC_NOR); //s/b GMI
pinmux_set_config(PINMUX_GPIO_PU5_INDEX, PINMUX_GPIO_PU5_FUNC_NOR); //s/b GMI
// SOC and TPM reset GPIO, active low.
gpio_output(GPIO(I5), 1);
// SPI1 MOSI
pinmux_set_config(PINMUX_ULPI_CLK_INDEX, PINMUX_ULPI_CLK_FUNC_SPI1 |
PINMUX_PULL_NONE |
PINMUX_INPUT_ENABLE);
// SPI1 MISO
pinmux_set_config(PINMUX_ULPI_DIR_INDEX, PINMUX_ULPI_DIR_FUNC_SPI1 |
PINMUX_PULL_NONE |
PINMUX_INPUT_ENABLE);
// SPI1 SCLK
pinmux_set_config(PINMUX_ULPI_NXT_INDEX, PINMUX_ULPI_NXT_FUNC_SPI1 |
PINMUX_PULL_NONE |
PINMUX_INPUT_ENABLE);
// SPI1 CS0
pinmux_set_config(PINMUX_ULPI_STP_INDEX, PINMUX_ULPI_STP_FUNC_SPI1 |
PINMUX_PULL_NONE |
PINMUX_INPUT_ENABLE);
// I2C3 (cam) clock.
pinmux_set_config(PINMUX_CAM_I2C_SCL_INDEX,
PINMUX_CAM_I2C_SCL_FUNC_I2C3 | PINMUX_INPUT_ENABLE);
// I2C3 (cam) data.
pinmux_set_config(PINMUX_CAM_I2C_SDA_INDEX,
PINMUX_CAM_I2C_SDA_FUNC_I2C3 | PINMUX_INPUT_ENABLE);
// switch unused pin to GPIO
gpio_set_mode(GPIO(X3), GPIO_MODE_GPIO);
gpio_set_mode(GPIO(X4), GPIO_MODE_GPIO);
gpio_set_mode(GPIO(X5), GPIO_MODE_GPIO);
gpio_set_mode(GPIO(X6), GPIO_MODE_GPIO);
gpio_set_mode(GPIO(X7), GPIO_MODE_GPIO);
gpio_set_mode(GPIO(W3), GPIO_MODE_GPIO);
}
static void configure_ec_spi_bus(void)
{
clock_configure_source(sbc1, CLK_M, 3000);
}
static void configure_tpm_i2c_bus(void)
{
clock_configure_i2c_scl_freq(i2c3, PLLP, 400);
i2c_init(2);
}
static void __attribute__((noinline)) romstage(void) static void __attribute__((noinline)) romstage(void)
{ {
timestamp_init(0); timestamp_init(0);
timestamp_add_now(TS_START_ROMSTAGE); timestamp_add_now(TS_START_ROMSTAGE);
configure_l2ctlr(); configure_l2_cache();
configure_l2actlr();
console_init(); console_init();
exception_init(); exception_init();
@ -191,13 +85,10 @@ static void __attribute__((noinline)) romstage(void)
cbmem_initialize_empty(); cbmem_initialize_empty();
// Enable additional peripherals we need for ROM stage. timestamp_init(0);
clock_enable_clear_reset(0, CLK_H_SBC1, CLK_U_I2C3, 0, 0, 0); timestamp_add(TS_START_ROMSTAGE, romstage_start_time);
setup_pinmux(); early_mainboard_init();
configure_ec_spi_bus();
configure_tpm_i2c_bus();
vboot_verify_firmware(romstage_handoff_find_or_add()); vboot_verify_firmware(romstage_handoff_find_or_add());

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@ -30,10 +30,12 @@ subdirs-y += bct
bootblock-y += bootblock.c bootblock-y += bootblock.c
bootblock-y += pmic.c bootblock-y += pmic.c
bootblock-y += reset.c bootblock-y += reset.c
bootblock-y += early_configs.c
verstage-$(CONFIG_CHROMEOS) += chromeos.c verstage-$(CONFIG_CHROMEOS) += chromeos.c
verstage-y += reset.c verstage-y += reset.c
romstage-y += early_configs.c
romstage-y += reset.c romstage-y += reset.c
romstage-y += romstage.c romstage-y += romstage.c
romstage-y += sdram_configs.c romstage-y += sdram_configs.c

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@ -0,0 +1,103 @@
/*
* 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 <soc/addressmap.h>
#include <soc/clock.h>
#include <soc/nvidia/tegra/i2c.h>
#include <soc/nvidia/tegra124/gpio.h>
#include <soc/nvidia/tegra124/early_configs.h>
static struct clk_rst_ctlr *clk_rst = (void *)TEGRA_CLK_RST_BASE;
static void setup_pinmux(void)
{
/* Write protect. */
gpio_input_pullup(GPIO(R1));
/* Recovery mode. */
gpio_input_pullup(GPIO(Q7));
/* Lid switch. */
gpio_input_pullup(GPIO(R4));
/* Power switch. */
gpio_input_pullup(GPIO(Q0));
/* Developer mode. */
gpio_input_pullup(GPIO(Q6));
/* EC in RW. */
gpio_input_pullup(GPIO(U4));
/* route PU4/5 to GMI to remove conflict w/PWM1/2. */
pinmux_set_config(PINMUX_GPIO_PU4_INDEX,
PINMUX_GPIO_PU4_FUNC_NOR); /* s/b GMI */
pinmux_set_config(PINMUX_GPIO_PU5_INDEX,
PINMUX_GPIO_PU5_FUNC_NOR); /* s/b GMI */
/* SOC and TPM reset GPIO, active low. */
gpio_output(GPIO(I5), 1);
/* SPI1 MOSI */
pinmux_set_config(PINMUX_ULPI_CLK_INDEX, PINMUX_ULPI_CLK_FUNC_SPI1 |
PINMUX_PULL_NONE |
PINMUX_INPUT_ENABLE);
/* SPI1 MISO */
pinmux_set_config(PINMUX_ULPI_DIR_INDEX, PINMUX_ULPI_DIR_FUNC_SPI1 |
PINMUX_PULL_NONE |
PINMUX_INPUT_ENABLE);
/* SPI1 SCLK */
pinmux_set_config(PINMUX_ULPI_NXT_INDEX, PINMUX_ULPI_NXT_FUNC_SPI1 |
PINMUX_PULL_NONE |
PINMUX_INPUT_ENABLE);
/* SPI1 CS0 */
pinmux_set_config(PINMUX_ULPI_STP_INDEX, PINMUX_ULPI_STP_FUNC_SPI1 |
PINMUX_PULL_NONE |
PINMUX_INPUT_ENABLE);
/* I2C3 (cam) clock. */
pinmux_set_config(PINMUX_CAM_I2C_SCL_INDEX,
PINMUX_CAM_I2C_SCL_FUNC_I2C3 | PINMUX_INPUT_ENABLE);
/* I2C3 (cam) data. */
pinmux_set_config(PINMUX_CAM_I2C_SDA_INDEX,
PINMUX_CAM_I2C_SDA_FUNC_I2C3 | PINMUX_INPUT_ENABLE);
/* switch unused pin to GPIO */
gpio_set_mode(GPIO(X3), GPIO_MODE_GPIO);
gpio_set_mode(GPIO(X4), GPIO_MODE_GPIO);
gpio_set_mode(GPIO(X5), GPIO_MODE_GPIO);
gpio_set_mode(GPIO(X6), GPIO_MODE_GPIO);
gpio_set_mode(GPIO(X7), GPIO_MODE_GPIO);
gpio_set_mode(GPIO(W3), GPIO_MODE_GPIO);
}
static void configure_ec_spi_bus(void)
{
clock_configure_source(sbc1, CLK_M, 3000);
}
static void configure_tpm_i2c_bus(void)
{
clock_configure_i2c_scl_freq(i2c3, PLLP, 400);
i2c_init(2);
}
void early_mainboard_init(void)
{
clock_enable_clear_reset(0, CLK_H_SBC1, CLK_U_I2C3, 0, 0, 0);
setup_pinmux();
configure_ec_spi_bus();
configure_tpm_i2c_bus();
}

View File

@ -30,8 +30,10 @@
#include <vendorcode/google/chromeos/chromeos.h> #include <vendorcode/google/chromeos/chromeos.h>
#include "sdram_configs.h" #include "sdram_configs.h"
#include <soc/nvidia/tegra/i2c.h> #include <soc/nvidia/tegra/i2c.h>
#include <soc/nvidia/tegra124/cache.h>
#include <soc/nvidia/tegra124/chip.h> #include <soc/nvidia/tegra124/chip.h>
#include <soc/nvidia/tegra124/clk_rst.h> #include <soc/nvidia/tegra124/clk_rst.h>
#include <soc/nvidia/tegra124/early_configs.h>
#include <soc/nvidia/tegra124/power.h> #include <soc/nvidia/tegra124/power.h>
#include <soc/nvidia/tegra124/sdram.h> #include <soc/nvidia/tegra124/sdram.h>
#include <soc/addressmap.h> #include <soc/addressmap.h>
@ -39,120 +41,12 @@
#include <soc/display.h> #include <soc/display.h>
#include <timestamp.h> #include <timestamp.h>
static struct clk_rst_ctlr *clk_rst = (void *)TEGRA_CLK_RST_BASE;
enum {
L2CTLR_ECC_PARITY = 0x1 << 21,
L2CTLR_TAG_RAM_LATENCY_MASK = 0x7 << 6,
L2CTLR_TAG_RAM_LATENCY_CYCLES_3 = 2 << 6,
L2CTLR_DATA_RAM_LATENCY_MASK = 0x7 << 0,
L2CTLR_DATA_RAM_LATENCY_CYCLES_3 = 2 << 0
};
enum {
L2ACTLR_FORCE_L2_LOGIC_CLOCK_ENABLE_ACTIVE = 0x1 << 27,
L2ACTLR_ENABLE_HAZARD_DETECT_TIMEOUT = 0x1 << 7,
L2ACTLR_DISABLE_CLEAN_EVICT_PUSH_EXTERNAL = 0x1 << 3
};
/* Configures L2 Control Register to use 3 cycles for DATA/TAG RAM latency. */
static void configure_l2ctlr(void)
{
uint32_t val;
val = read_l2ctlr();
val &= ~(L2CTLR_DATA_RAM_LATENCY_MASK | L2CTLR_TAG_RAM_LATENCY_MASK);
val |= (L2CTLR_DATA_RAM_LATENCY_CYCLES_3 | L2CTLR_TAG_RAM_LATENCY_CYCLES_3 |
L2CTLR_ECC_PARITY);
write_l2ctlr(val);
}
/* Configures L2 Auxiliary Control Register for Cortex A15. */
static void configure_l2actlr(void)
{
uint32_t val;
val = read_l2actlr();
val |= (L2ACTLR_DISABLE_CLEAN_EVICT_PUSH_EXTERNAL |
L2ACTLR_ENABLE_HAZARD_DETECT_TIMEOUT |
L2ACTLR_FORCE_L2_LOGIC_CLOCK_ENABLE_ACTIVE);
write_l2actlr(val);
}
static void setup_pinmux(void)
{
// Write protect.
gpio_input_pullup(GPIO(R1));
// Recovery mode.
gpio_input_pullup(GPIO(Q7));
// Lid switch.
gpio_input_pullup(GPIO(R4));
// Power switch.
gpio_input_pullup(GPIO(Q0));
// Developer mode.
gpio_input_pullup(GPIO(Q6));
// EC in RW.
gpio_input_pullup(GPIO(U4));
// route PU4/5 to GMI to remove conflict w/PWM1/2.
pinmux_set_config(PINMUX_GPIO_PU4_INDEX, PINMUX_GPIO_PU4_FUNC_NOR); //s/b GMI
pinmux_set_config(PINMUX_GPIO_PU5_INDEX, PINMUX_GPIO_PU5_FUNC_NOR); //s/b GMI
// SOC and TPM reset GPIO, active low.
gpio_output(GPIO(I5), 1);
// SPI1 MOSI
pinmux_set_config(PINMUX_ULPI_CLK_INDEX, PINMUX_ULPI_CLK_FUNC_SPI1 |
PINMUX_PULL_NONE |
PINMUX_INPUT_ENABLE);
// SPI1 MISO
pinmux_set_config(PINMUX_ULPI_DIR_INDEX, PINMUX_ULPI_DIR_FUNC_SPI1 |
PINMUX_PULL_NONE |
PINMUX_INPUT_ENABLE);
// SPI1 SCLK
pinmux_set_config(PINMUX_ULPI_NXT_INDEX, PINMUX_ULPI_NXT_FUNC_SPI1 |
PINMUX_PULL_NONE |
PINMUX_INPUT_ENABLE);
// SPI1 CS0
pinmux_set_config(PINMUX_ULPI_STP_INDEX, PINMUX_ULPI_STP_FUNC_SPI1 |
PINMUX_PULL_NONE |
PINMUX_INPUT_ENABLE);
// I2C3 (cam) clock.
pinmux_set_config(PINMUX_CAM_I2C_SCL_INDEX,
PINMUX_CAM_I2C_SCL_FUNC_I2C3 | PINMUX_INPUT_ENABLE);
// I2C3 (cam) data.
pinmux_set_config(PINMUX_CAM_I2C_SDA_INDEX,
PINMUX_CAM_I2C_SDA_FUNC_I2C3 | PINMUX_INPUT_ENABLE);
// switch unused pin to GPIO
gpio_set_mode(GPIO(X3), GPIO_MODE_GPIO);
gpio_set_mode(GPIO(X4), GPIO_MODE_GPIO);
gpio_set_mode(GPIO(X5), GPIO_MODE_GPIO);
gpio_set_mode(GPIO(X6), GPIO_MODE_GPIO);
gpio_set_mode(GPIO(X7), GPIO_MODE_GPIO);
gpio_set_mode(GPIO(W3), GPIO_MODE_GPIO);
}
static void configure_ec_spi_bus(void)
{
clock_configure_source(sbc1, CLK_M, 3000);
}
static void configure_tpm_i2c_bus(void)
{
clock_configure_i2c_scl_freq(i2c3, PLLP, 400);
i2c_init(2);
}
static void __attribute__((noinline)) romstage(void) static void __attribute__((noinline)) romstage(void)
{ {
timestamp_init(0); timestamp_init(0);
timestamp_add_now(TS_START_ROMSTAGE); timestamp_add_now(TS_START_ROMSTAGE);
configure_l2ctlr(); configure_l2_cache();
configure_l2actlr();
console_init(); console_init();
exception_init(); exception_init();
@ -191,13 +85,10 @@ static void __attribute__((noinline)) romstage(void)
cbmem_initialize_empty(); cbmem_initialize_empty();
// Enable additional peripherals we need for ROM stage. timestamp_init(0);
clock_enable_clear_reset(0, CLK_H_SBC1, CLK_U_I2C3, 0, 0, 0); timestamp_add(TS_START_ROMSTAGE, romstage_start_time);
setup_pinmux(); early_mainboard_init();
configure_ec_spi_bus();
configure_tpm_i2c_bus();
#if CONFIG_VBOOT2_VERIFY_FIRMWARE #if CONFIG_VBOOT2_VERIFY_FIRMWARE
vboot_create_handoff((void *)CONFIG_VBOOT_WORK_BUFFER_ADDRESS); vboot_create_handoff((void *)CONFIG_VBOOT_WORK_BUFFER_ADDRESS);

View File

@ -32,6 +32,7 @@ verstage-y += ../tegra/i2c.c
verstage-y += ../tegra/pinmux.c verstage-y += ../tegra/pinmux.c
verstage-y += clock.c verstage-y += clock.c
verstage-y += i2c.c verstage-y += i2c.c
verstage-y += cache.c
romstage-y += cbfs.c romstage-y += cbfs.c
romstage-y += cbmem.c romstage-y += cbmem.c
@ -48,6 +49,7 @@ romstage-y += ../tegra/i2c.c
romstage-$(CONFIG_SOFTWARE_I2C) += ../tegra/software_i2c.c romstage-$(CONFIG_SOFTWARE_I2C) += ../tegra/software_i2c.c
romstage-y += ../tegra/pinmux.c romstage-y += ../tegra/pinmux.c
romstage-y += timer.c romstage-y += timer.c
romstage-y += cache.c
romstage-$(CONFIG_DRIVERS_UART) += uart.c romstage-$(CONFIG_DRIVERS_UART) += uart.c
ramstage-y += cbfs.c ramstage-y += cbfs.c

View File

@ -25,81 +25,11 @@
#include <console/console.h> #include <console/console.h>
#include <soc/clock.h> #include <soc/clock.h>
#include <soc/nvidia/tegra/apbmisc.h> #include <soc/nvidia/tegra/apbmisc.h>
#include <soc/nvidia/tegra124/early_configs.h>
#include <vendorcode/google/chromeos/chromeos.h>
#include "pinmux.h" #include "pinmux.h"
#include "power.h" #include "power.h"
#include "verstage.h" #include "verstage.h"
#include <soc/addressmap.h>
#include <soc/nvidia/tegra/i2c.h>
#include <soc/nvidia/tegra124/gpio.h>
#include <vendorcode/google/chromeos/chromeos.h>
static struct clk_rst_ctlr *clk_rst = (void *)TEGRA_CLK_RST_BASE;
static void setup_pinmux(void)
{
// Write protect.
gpio_input_pullup(GPIO(R1));
// Recovery mode.
gpio_input_pullup(GPIO(Q7));
// Lid switch.
gpio_input_pullup(GPIO(R4));
// Power switch.
gpio_input_pullup(GPIO(Q0));
// Developer mode.
gpio_input_pullup(GPIO(Q6));
// EC in RW.
gpio_input_pullup(GPIO(U4));
// route PU4/5 to GMI to remove conflict w/PWM1/2.
pinmux_set_config(PINMUX_GPIO_PU4_INDEX, PINMUX_GPIO_PU4_FUNC_NOR);
pinmux_set_config(PINMUX_GPIO_PU5_INDEX, PINMUX_GPIO_PU5_FUNC_NOR);
// SOC and TPM reset GPIO, active low.
gpio_output(GPIO(I5), 1);
// SPI1 MOSI
pinmux_set_config(PINMUX_ULPI_CLK_INDEX, PINMUX_ULPI_CLK_FUNC_SPI1 |
PINMUX_PULL_NONE |
PINMUX_INPUT_ENABLE);
// SPI1 MISO
pinmux_set_config(PINMUX_ULPI_DIR_INDEX, PINMUX_ULPI_DIR_FUNC_SPI1 |
PINMUX_PULL_NONE |
PINMUX_INPUT_ENABLE);
// SPI1 SCLK
pinmux_set_config(PINMUX_ULPI_NXT_INDEX, PINMUX_ULPI_NXT_FUNC_SPI1 |
PINMUX_PULL_NONE |
PINMUX_INPUT_ENABLE);
// SPI1 CS0
pinmux_set_config(PINMUX_ULPI_STP_INDEX, PINMUX_ULPI_STP_FUNC_SPI1 |
PINMUX_PULL_NONE |
PINMUX_INPUT_ENABLE);
// I2C3 (cam) clock.
pinmux_set_config(PINMUX_CAM_I2C_SCL_INDEX,
PINMUX_CAM_I2C_SCL_FUNC_I2C3 | PINMUX_INPUT_ENABLE);
// I2C3 (cam) data.
pinmux_set_config(PINMUX_CAM_I2C_SDA_INDEX,
PINMUX_CAM_I2C_SDA_FUNC_I2C3 | PINMUX_INPUT_ENABLE);
// switch unused pin to GPIO
gpio_set_mode(GPIO(X3), GPIO_MODE_GPIO);
gpio_set_mode(GPIO(X4), GPIO_MODE_GPIO);
gpio_set_mode(GPIO(X5), GPIO_MODE_GPIO);
gpio_set_mode(GPIO(X6), GPIO_MODE_GPIO);
gpio_set_mode(GPIO(X7), GPIO_MODE_GPIO);
gpio_set_mode(GPIO(W3), GPIO_MODE_GPIO);
}
static void configure_ec_spi_bus(void)
{
clock_configure_source(sbc1, CLK_M, 3000);
}
static void configure_tpm_i2c_bus(void)
{
clock_configure_i2c_scl_freq(i2c3, PLLP, 400);
i2c_init(2);
}
void main(void) void main(void)
{ {
@ -144,10 +74,7 @@ void main(void)
PINMUX_INPUT_ENABLE); PINMUX_INPUT_ENABLE);
if (IS_ENABLED(CONFIG_VBOOT2_VERIFY_FIRMWARE)) { if (IS_ENABLED(CONFIG_VBOOT2_VERIFY_FIRMWARE)) {
clock_enable_clear_reset(0, CLK_H_SBC1, CLK_U_I2C3, 0, 0, 0); early_mainboard_init();
setup_pinmux();
configure_ec_spi_bus();
configure_tpm_i2c_bus();
entry = (void *)verstage_vboot_main; entry = (void *)verstage_vboot_main;
} else } else
entry = cbfs_load_stage(CBFS_DEFAULT_MEDIA, "fallback/romstage"); entry = cbfs_load_stage(CBFS_DEFAULT_MEDIA, "fallback/romstage");

View File

@ -0,0 +1,66 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 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 <arch/cache.h>
#include <stdint.h>
#include "cache.h"
enum {
L2CTLR_ECC_PARITY = 0x1 << 21,
L2CTLR_TAG_RAM_LATENCY_MASK = 0x7 << 6,
L2CTLR_TAG_RAM_LATENCY_CYCLES_3 = 2 << 6,
L2CTLR_DATA_RAM_LATENCY_MASK = 0x7 << 0,
L2CTLR_DATA_RAM_LATENCY_CYCLES_3 = 2 << 0
};
enum {
L2ACTLR_FORCE_L2_LOGIC_CLOCK_ENABLE_ACTIVE = 0x1 << 27,
L2ACTLR_ENABLE_HAZARD_DETECT_TIMEOUT = 0x1 << 7,
L2ACTLR_DISABLE_CLEAN_EVICT_PUSH_EXTERNAL = 0x1 << 3
};
/* Configures L2 Control Register to use 3 cycles for DATA/TAG RAM latency. */
static void configure_l2ctlr(void)
{
uint32_t val;
val = read_l2ctlr();
val &= ~(L2CTLR_DATA_RAM_LATENCY_MASK | L2CTLR_TAG_RAM_LATENCY_MASK);
val |= (L2CTLR_DATA_RAM_LATENCY_CYCLES_3 |
L2CTLR_TAG_RAM_LATENCY_CYCLES_3 | L2CTLR_ECC_PARITY);
write_l2ctlr(val);
}
/* Configures L2 Auxiliary Control Register for Cortex A15. */
static void configure_l2actlr(void)
{
uint32_t val;
val = read_l2actlr();
val |= (L2ACTLR_DISABLE_CLEAN_EVICT_PUSH_EXTERNAL |
L2ACTLR_ENABLE_HAZARD_DETECT_TIMEOUT |
L2ACTLR_FORCE_L2_LOGIC_CLOCK_ENABLE_ACTIVE);
write_l2actlr(val);
}
void configure_l2_cache(void)
{
configure_l2ctlr();
configure_l2actlr();
}

View File

@ -0,0 +1,20 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 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
*/
void configure_l2_cache(void);

View File

@ -0,0 +1,20 @@
/*
* 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
*/
void early_mainboard_init(void);

View File

@ -101,7 +101,7 @@ VERSTAGE_LIB = $(obj)/vendorcode/google/chromeos/verstage.a
INCLUDES += -I$(VB_SOURCE)/firmware/2lib/include INCLUDES += -I$(VB_SOURCE)/firmware/2lib/include
INCLUDES += -I$(VB_SOURCE)/firmware/include INCLUDES += -I$(VB_SOURCE)/firmware/include
verstage-y += vboot_main.c fmap.c chromeos.c verstage-y += verstage.c fmap.c chromeos.c
verstage-y += antirollback.c vbnv_ec.c verstage-y += antirollback.c vbnv_ec.c
romstage-y += vboot_handoff.c romstage-y += vboot_handoff.c

View File

@ -3,6 +3,7 @@
#include <antirollback.h> #include <antirollback.h>
#include <arch/exception.h> #include <arch/exception.h>
#include <arch/stages.h> #include <arch/stages.h>
#include <soc/nvidia/tegra124/cache.h>
#include <cbfs.h> #include <cbfs.h>
#include <console/console.h> #include <console/console.h>
#include <console/vtxprintf.h> #include <console/vtxprintf.h>
@ -139,9 +140,8 @@ static int hash_body(struct vb2_context *ctx, struct vboot_region *fw_main)
/* Start the body hash */ /* Start the body hash */
rv = vb2api_init_hash(ctx, VB2_HASH_TAG_FW_BODY, &expected_size); rv = vb2api_init_hash(ctx, VB2_HASH_TAG_FW_BODY, &expected_size);
if (rv) { if (rv)
return rv; return rv;
}
/* Extend over the body */ /* Extend over the body */
while (expected_size) { while (expected_size) {
@ -162,9 +162,8 @@ static int hash_body(struct vb2_context *ctx, struct vboot_region *fw_main)
/* Check the result */ /* Check the result */
rv = vb2api_check_hash(ctx); rv = vb2api_check_hash(ctx);
if (rv) { if (rv)
return rv; return rv;
}
return VB2_SUCCESS; return VB2_SUCCESS;
} }
@ -230,44 +229,6 @@ static void enter_stage(struct cbfs_stage *stage)
stage_exit((void *)(uintptr_t)stage->entry); stage_exit((void *)(uintptr_t)stage->entry);
} }
enum {
L2CTLR_ECC_PARITY = 0x1 << 21,
L2CTLR_TAG_RAM_LATENCY_MASK = 0x7 << 6,
L2CTLR_TAG_RAM_LATENCY_CYCLES_3 = 2 << 6,
L2CTLR_DATA_RAM_LATENCY_MASK = 0x7 << 0,
L2CTLR_DATA_RAM_LATENCY_CYCLES_3 = 2 << 0
};
enum {
L2ACTLR_FORCE_L2_LOGIC_CLOCK_ENABLE_ACTIVE = 0x1 << 27,
L2ACTLR_ENABLE_HAZARD_DETECT_TIMEOUT = 0x1 << 7,
L2ACTLR_DISABLE_CLEAN_EVICT_PUSH_EXTERNAL = 0x1 << 3
};
/* Configures L2 Control Register to use 3 cycles for DATA/TAG RAM latency. */
static void configure_l2ctlr(void)
{
uint32_t val;
val = read_l2ctlr();
val &= ~(L2CTLR_DATA_RAM_LATENCY_MASK | L2CTLR_TAG_RAM_LATENCY_MASK);
val |= (L2CTLR_DATA_RAM_LATENCY_CYCLES_3 | L2CTLR_TAG_RAM_LATENCY_CYCLES_3 |
L2CTLR_ECC_PARITY);
write_l2ctlr(val);
}
/* Configures L2 Auxiliary Control Register for Cortex A15. */
static void configure_l2actlr(void)
{
uint32_t val;
val = read_l2actlr();
val |= (L2ACTLR_DISABLE_CLEAN_EVICT_PUSH_EXTERNAL |
L2ACTLR_ENABLE_HAZARD_DETECT_TIMEOUT |
L2ACTLR_FORCE_L2_LOGIC_CLOCK_ENABLE_ACTIVE);
write_l2actlr(val);
}
static void enable_cache(void) static void enable_cache(void)
{ {
mmu_init(); mmu_init();
@ -313,8 +274,7 @@ void __attribute__((noinline)) select_firmware(void)
int rv; int rv;
/* Do minimum to enable cache and run vboot at full speed */ /* Do minimum to enable cache and run vboot at full speed */
configure_l2ctlr(); configure_l2_cache();
configure_l2actlr();
console_init(); console_init();
exception_init(); exception_init();
enable_cache(); enable_cache();