[coreboot-gerrit] New patch to review for coreboot: Jazz: Add support for new mainboard
Stefan Reinauer (stefan.reinauer@coreboot.org)
gerrit at coreboot.org
Thu May 19 20:39:01 CEST 2016
Stefan Reinauer (stefan.reinauer at coreboot.org) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/14915
-gerrit
commit a914d5acde1f491cadc0cf362c79ab485c414e70
Author: Akshay Saraswat <akshay.s at samsung.com>
Date: Thu Aug 7 18:04:34 2014 +0530
Jazz: Add support for new mainboard
Adding new mainboard directory and corresponding files for
Exynos7 based Jazz reference board.
BUG=None
BRANCH=None
TEST=Compiled and booted coreboot over Jazz with this series
Change-Id: Iad84881bca253fa405c227815104e152b22fc4fc
Signed-off-by: Akshay Saraswat <akshay.s at samsung.com>
---
src/mainboard/samsung/jazz/Kconfig | 42 +++++++++++++++++
src/mainboard/samsung/jazz/Kconfig.name | 2 +
src/mainboard/samsung/jazz/Makefile.inc | 28 ++++++++++++
src/mainboard/samsung/jazz/devicetree.cb | 22 +++++++++
src/mainboard/samsung/jazz/mainboard.c | 77 ++++++++++++++++++++++++++++++++
src/mainboard/samsung/jazz/memlayout.ld | 1 +
src/mainboard/samsung/jazz/romstage.c | 70 +++++++++++++++++++++++++++++
7 files changed, 242 insertions(+)
diff --git a/src/mainboard/samsung/jazz/Kconfig b/src/mainboard/samsung/jazz/Kconfig
new file mode 100644
index 0000000..69a32d5
--- /dev/null
+++ b/src/mainboard/samsung/jazz/Kconfig
@@ -0,0 +1,42 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright 2014 Samsung Electronics Ltd.
+##
+## 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
+##
+
+if BOARD_SAMSUNG_JAZZ
+
+config BOARD_SPECIFIC_OPTIONS
+ def_bool y
+ select ARCH_AARCH64
+ select SOC_SAMSUNG_EXYNOS7
+ select HAVE_UART_MEMORY_MAPPED
+ select BOARD_ROMSIZE_KB_4096
+ select HAVE_INIT_TIMER
+
+config MAINBOARD_DIR
+ string
+ default samsung/jazz
+
+config MAINBOARD_PART_NUMBER
+ string
+ default "Jazz"
+
+config DRAM_SIZE_MB
+ int
+ default 2048
+
+endif # BOARD_SAMSUNG_JAZZ
diff --git a/src/mainboard/samsung/jazz/Kconfig.name b/src/mainboard/samsung/jazz/Kconfig.name
new file mode 100644
index 0000000..0229585
--- /dev/null
+++ b/src/mainboard/samsung/jazz/Kconfig.name
@@ -0,0 +1,2 @@
+config BOARD_SAMSUNG_JAZZ
+ bool "Jazz"
diff --git a/src/mainboard/samsung/jazz/Makefile.inc b/src/mainboard/samsung/jazz/Makefile.inc
new file mode 100644
index 0000000..a521155
--- /dev/null
+++ b/src/mainboard/samsung/jazz/Makefile.inc
@@ -0,0 +1,28 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2014 Samsung Electronics
+##
+## 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
+##
+
+INCLUDES += -Isrc/soc/samsung/exynos7/include/
+
+bootblock-y += memlayout.ld
+
+romstage-y += memlayout.ld
+romstage-y += romstage.c
+
+ramstage-y += mainboard.c
+ramstage-y += memlayout.ld
diff --git a/src/mainboard/samsung/jazz/devicetree.cb b/src/mainboard/samsung/jazz/devicetree.cb
new file mode 100644
index 0000000..8887a77
--- /dev/null
+++ b/src/mainboard/samsung/jazz/devicetree.cb
@@ -0,0 +1,22 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2014 Samsung Electronics
+##
+## 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
+##
+
+chip soc/samsung/exynos7
+ device cpu_cluster 0 on end
+end
diff --git a/src/mainboard/samsung/jazz/mainboard.c b/src/mainboard/samsung/jazz/mainboard.c
new file mode 100644
index 0000000..a68e400
--- /dev/null
+++ b/src/mainboard/samsung/jazz/mainboard.c
@@ -0,0 +1,77 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Samsung Electronics
+ *
+ * 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 <string.h>
+#include <console/console.h>
+#include <device/device.h>
+#include <device/i2c.h>
+#include <cbmem.h>
+#include <delay.h>
+#include <vbe.h>
+#include <boot/coreboot_tables.h>
+#include <arch/transition.h>
+#include <armv8/arch/cpu.h>
+#include <soc/clock.h>
+#include <soc/cpu.h>
+#include <soc/gpio.h>
+#include <soc/i2c.h>
+#include <soc/pinmux.h>
+#include <soc/power.h>
+#include <stdlib.h>
+#include <symbols.h>
+
+/* Arbitrary range of DMA memory for depthcharge's drivers */
+#define DMA_START (0x77300000)
+#define DMA_SIZE (0x00100000)
+
+extern void switch_el3_to_el2(void);
+
+/* this happens after cpu_init where exynos resources are set */
+static void mainboard_init(device_t dev)
+{
+ int mmc_index, mmc_ratio = 3;
+
+ /* Sst GPIOs for SD and eMMC */
+ exynos_pinmux_mmc0();
+ exynos_pinmux_mmc2();
+
+ /* Set Clocks for SD & eMMC */
+ mmc_index = 2;
+ set_mmc_clk(mmc_index, mmc_ratio);
+ mmc_index = 0;
+ set_mmc_clk(mmc_index, mmc_ratio);
+
+ /* Load VBAR with PSCI SMC handler */
+ raw_write_vbar_el3(readl(_esram - 0x10));
+
+ switch_el3_to_el2();
+ printk(BIOS_INFO, "Switched to EL%d\n", get_current_el());
+
+ return;
+}
+
+static void mainboard_enable(device_t dev)
+{
+ dev->ops->init = &mainboard_init;
+}
+
+struct chip_operations mainboard_ops = {
+ .name = "Samsung Jazz",
+ .enable_dev = mainboard_enable,
+};
diff --git a/src/mainboard/samsung/jazz/memlayout.ld b/src/mainboard/samsung/jazz/memlayout.ld
new file mode 100644
index 0000000..ea8c94a
--- /dev/null
+++ b/src/mainboard/samsung/jazz/memlayout.ld
@@ -0,0 +1 @@
+#include <soc/samsung/exynos7/memlayout.ld>
diff --git a/src/mainboard/samsung/jazz/romstage.c b/src/mainboard/samsung/jazz/romstage.c
new file mode 100644
index 0000000..edd98c4
--- /dev/null
+++ b/src/mainboard/samsung/jazz/romstage.c
@@ -0,0 +1,70 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Samsung Electronics
+ *
+ * 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 <cbfs.h>
+#include <cbmem.h>
+#include <stdlib.h>
+#include <types.h>
+#include <string.h>
+
+#include <console/console.h>
+#include <arch/cache.h>
+#include <arch/exception.h>
+#include <arch/stages.h>
+#include <soc/clock.h>
+#include <soc/cpu.h>
+#include <soc/gpio.h>
+#include <soc/i2c.h>
+#include <soc/periph.h>
+#include <soc/power.h>
+
+static int setup_power(void)
+{
+ return 0;
+}
+
+void main(void)
+{
+ void *entry;
+ int power_init_failed = setup_power();
+
+#if CONFIG_EARLY_CONSOLE
+ console_init();
+#endif
+
+ if (power_init_failed)
+ die("Failed to intialize power.\n");
+
+<<<<<<< Updated upstream
+ entry = cbfs_load_stage(CBFS_DEFAULT_MEDIA, "fallback/ramstage");
+=======
+ bl31_entrypoint();
+
+ /*
+ * For now, let's store PSCI handler address in memory somewhere
+ * because it's highly probable that by the time we are ready to
+ * switch the exception level vbar_el3 has already have overwritten
+ */
+ writel((uint32_t) (uintptr_t) &runtime_exceptions, (_esram - 0x10));
+
+ entry = cbfs_load_stage(CBFS_DEFAULT_MEDIA, CONFIG_CBFS_PREFIX "/ramstage");
+>>>>>>> Stashed changes
+
+ stage_exit(entry);
+}
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