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coreboot-kgpe-d16/src/mainboard/google/snow/bootblock.c

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Snow bootblock (bloated/debug version) This is the bloated Snow bootblock which includes: - SPI driver - UART, including requisite I2C, Maxim PMIC, and clock config code. - Adjustments for magic offsets (id section, stack pointer address) This is just a temporary solution until we have romstage loading. Once that happens, we'll rip out all but the code necessary for copying SPI ROM content into SRAM. Change-Id: I2a11e272eb9b6f626b5d9783eabb4a720a1d06be Signed-off-by: David Hendricks <dhendrix@chromium.org> Reviewed-on: http://review.coreboot.org/2170 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2013-01-18 00:07:35 +01:00
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2013 The ChromiumOS Authors. 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 <types.h>
#include <arch/io.h>
armv7/snow: Move clock initialization from bootblock to romstage. Exynos system clock can be initialized before RAM init, not necessary to be in the very beginning (boot block). This helps reducing bootblock dependency. Verified to boot on armv7/snow. Note: this patch was originally introduced in 2308, but there were some ordering issues so it was reverted. Change-Id: Ibc91c0e26ea8881751fc088754f5c6161d011b68 Signed-off-by: Hung-Te Lin <hungte@chromium.org> Signed-off-by: David Hendricks <dhendrix@chromium.org> Reviewed-on: http://review.coreboot.org/2320 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2013-02-07 14:38:41 +01:00
#include <cbfs.h>
#include <uart.h>
armv7: Use same console initialization procedure for all ARM stages Use same console initialization procedure for all ARM stages (bootblock, romstage, and ramstage): #include <console/console.h> ... console_init() ... printk(level, format, ...) Verified to boot on armv7/snow with console messages in all stages. Change-Id: Idd689219035e67450ea133838a2ca02f8d74557e Signed-off-by: Hung-Te Lin <hungte@chromium.org> Signed-off-by: David Hendricks <dhendrix@chromium.org> Reviewed-on: http://review.coreboot.org/2301 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2013-02-06 15:01:18 +01:00
#include <console/console.h>
armv7/snow: Move clock initialization from bootblock to romstage. Exynos system clock can be initialized before RAM init, not necessary to be in the very beginning (boot block). This helps reducing bootblock dependency. Verified to boot on armv7/snow. Note: this patch was originally introduced in 2308, but there were some ordering issues so it was reverted. Change-Id: Ibc91c0e26ea8881751fc088754f5c6161d011b68 Signed-off-by: Hung-Te Lin <hungte@chromium.org> Signed-off-by: David Hendricks <dhendrix@chromium.org> Reviewed-on: http://review.coreboot.org/2320 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2013-02-07 14:38:41 +01:00
#include <cpu/samsung/exynos5250/periph.h>
#include <cpu/samsung/exynos5250/pinmux.h>
Snow bootblock (bloated/debug version) This is the bloated Snow bootblock which includes: - SPI driver - UART, including requisite I2C, Maxim PMIC, and clock config code. - Adjustments for magic offsets (id section, stack pointer address) This is just a temporary solution until we have romstage loading. Once that happens, we'll rip out all but the code necessary for copying SPI ROM content into SRAM. Change-Id: I2a11e272eb9b6f626b5d9783eabb4a720a1d06be Signed-off-by: David Hendricks <dhendrix@chromium.org> Reviewed-on: http://review.coreboot.org/2170 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2013-01-18 00:07:35 +01:00
armv7: Use same console initialization procedure for all ARM stages Use same console initialization procedure for all ARM stages (bootblock, romstage, and ramstage): #include <console/console.h> ... console_init() ... printk(level, format, ...) Verified to boot on armv7/snow with console messages in all stages. Change-Id: Idd689219035e67450ea133838a2ca02f8d74557e Signed-off-by: Hung-Te Lin <hungte@chromium.org> Signed-off-by: David Hendricks <dhendrix@chromium.org> Reviewed-on: http://review.coreboot.org/2301 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2013-02-06 15:01:18 +01:00
#define I2C0_BASE 0x12c60000
Snow bootblock (bloated/debug version) This is the bloated Snow bootblock which includes: - SPI driver - UART, including requisite I2C, Maxim PMIC, and clock config code. - Adjustments for magic offsets (id section, stack pointer address) This is just a temporary solution until we have romstage loading. Once that happens, we'll rip out all but the code necessary for copying SPI ROM content into SRAM. Change-Id: I2a11e272eb9b6f626b5d9783eabb4a720a1d06be Signed-off-by: David Hendricks <dhendrix@chromium.org> Reviewed-on: http://review.coreboot.org/2170 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2013-01-18 00:07:35 +01:00
void bootblock_mainboard_init(void);
void bootblock_mainboard_init(void)
{
armv7/snow: Move clock initialization from bootblock to romstage. Exynos system clock can be initialized before RAM init, not necessary to be in the very beginning (boot block). This helps reducing bootblock dependency. Verified to boot on armv7/snow. Note: this patch was originally introduced in 2308, but there were some ordering issues so it was reverted. Change-Id: Ibc91c0e26ea8881751fc088754f5c6161d011b68 Signed-off-by: Hung-Te Lin <hungte@chromium.org> Signed-off-by: David Hendricks <dhendrix@chromium.org> Reviewed-on: http://review.coreboot.org/2320 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2013-02-07 14:38:41 +01:00
#if CONFIG_EARLY_CONSOLE
snow: remove dead code from bootblock This attempts to clean out some dead code which was copy + pasted into Snow's bootblock.c file, along with some unnecessary headers. Change-Id: If9f157a52395a047c249a2a6385e0e8ddf310e59 Signed-off-by: David Hendricks <dhendrix@chromium.org> Reviewed-on: http://review.coreboot.org/2291 Tested-by: build bot (Jenkins)
2013-02-06 00:24:54 +01:00
exynos_pinmux_config(PERIPH_ID_UART3, PINMUX_FLAG_NONE);
armv7: Use same console initialization procedure for all ARM stages Use same console initialization procedure for all ARM stages (bootblock, romstage, and ramstage): #include <console/console.h> ... console_init() ... printk(level, format, ...) Verified to boot on armv7/snow with console messages in all stages. Change-Id: Idd689219035e67450ea133838a2ca02f8d74557e Signed-off-by: Hung-Te Lin <hungte@chromium.org> Signed-off-by: David Hendricks <dhendrix@chromium.org> Reviewed-on: http://review.coreboot.org/2301 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2013-02-06 15:01:18 +01:00
console_init();
armv7: Clean up arm/snow bootblock build process. Remove duplicated / testing code and share more driver for bootblock, romstage and ramstage. The __PRE_RAM__ is now also defined in bootblock build stage, since bootblock is executed before RAM is initialized. Change-Id: I4f5469b1545631eee1cf9f2f5df93cbe3a58268b Signed-off-by: Hung-Te Lin <hungte@chromium.org> Reviewed-on: http://review.coreboot.org/2282 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2013-02-04 07:38:03 +01:00
printk(BIOS_INFO, "\n\n\n%s: UART initialized\n", __func__);
armv7/snow: Move clock initialization from bootblock to romstage. Exynos system clock can be initialized before RAM init, not necessary to be in the very beginning (boot block). This helps reducing bootblock dependency. Verified to boot on armv7/snow. Note: this patch was originally introduced in 2308, but there were some ordering issues so it was reverted. Change-Id: Ibc91c0e26ea8881751fc088754f5c6161d011b68 Signed-off-by: Hung-Te Lin <hungte@chromium.org> Signed-off-by: David Hendricks <dhendrix@chromium.org> Reviewed-on: http://review.coreboot.org/2320 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2013-02-07 14:38:41 +01:00
#endif
Snow bootblock (bloated/debug version) This is the bloated Snow bootblock which includes: - SPI driver - UART, including requisite I2C, Maxim PMIC, and clock config code. - Adjustments for magic offsets (id section, stack pointer address) This is just a temporary solution until we have romstage loading. Once that happens, we'll rip out all but the code necessary for copying SPI ROM content into SRAM. Change-Id: I2a11e272eb9b6f626b5d9783eabb4a720a1d06be Signed-off-by: David Hendricks <dhendrix@chromium.org> Reviewed-on: http://review.coreboot.org/2170 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2013-01-18 00:07:35 +01:00
}
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