rockchip/rk3399: Add a stub implementation of the rk3399 SOC

Most things still need to be filled in, but this will allow
us to build boards which use this SOC.

BRANCH=none
BUG=chrome-os-partner:51537
TEST=with the rest of the patches applied Kevin board can be booted to
     Linux login propmt.

Change-Id: I6f2407ff578dcd3d0daed86dd03d8f5f4edcac53
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 27dfc39efe95025be2271e2e00e9df93b7907840
Original-Change-Id: I6f2407ff578dcd3d0daed86dd03d8f5f4edcac53
Original-Signed-off-by: huang lin <hl@rock-chips.com>
Original-Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/332385
Reviewed-on: https://review.coreboot.org/13915
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>

11 files changed, 403 insertions, 0 deletions

diff --git a/src/soc/rockchip/rk3399/Kconfig b/src/soc/rockchip/rk3399/Kconfig
new file mode 100644
index 0000000000..0c1f258ded
--- /dev/null
+++ b/src/soc/rockchip/rk3399/Kconfig
@@ -0,0 +1,26 @@
+config SOC_ROCKCHIP_RK3399
+	bool
+	default n
+	select ARCH_BOOTBLOCK_ARMV8_64
+	select ARCH_RAMSTAGE_ARMV8_64
+	select ARCH_ROMSTAGE_ARMV8_64
+	select ARCH_VERSTAGE_ARMV8_64
+	select ARM64_A53_ERRATUM_843419
+	select BOOTBLOCK_CONSOLE
+	select GENERIC_UDELAY
+	select HAVE_MONOTONIC_TIMER
+	select HAVE_UART_SPECIAL
+	select UNCOMPRESSED_RAMSTAGE
+
+if SOC_ROCKCHIP_RK3399
+
+config CHROMEOS
+	select RETURN_FROM_VERSTAGE
+	select SEPARATE_VERSTAGE
+	select VBOOT_STARTS_IN_BOOTBLOCK
+
+config PMIC_BUS
+	int
+	default -1
+
+endif
diff --git a/src/soc/rockchip/rk3399/Makefile.inc b/src/soc/rockchip/rk3399/Makefile.inc
new file mode 100644
index 0000000000..54a7b5168d
--- /dev/null
+++ b/src/soc/rockchip/rk3399/Makefile.inc
@@ -0,0 +1,61 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright 2016 Rockchip 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.
+##
+
+ifeq ($(CONFIG_SOC_ROCKCHIP_RK3399),y)
+
+IDBTOOL = util/rockchip/make_idb.py
+
+bootblock-y += ../common/spi.c
+ifeq ($(CONFIG_BOOTBLOCK_CONSOLE),y)
+bootblock-$(CONFIG_DRIVERS_UART) += ../common/uart.c
+endif
+bootblock-y += bootblock.c
+bootblock-y += clock.c
+bootblock-y += timer.c
+
+verstage-y += ../common/cbmem.c
+verstage-y += ../common/spi.c
+verstage-$(CONFIG_DRIVERS_UART) += ../common/uart.c
+verstage-y += clock.c
+verstage-y += timer.c
+
+################################################################################
+
+romstage-y += ../common/cbmem.c
+romstage-y += ../common/spi.c
+romstage-$(CONFIG_DRIVERS_UART) += ../common/uart.c
+romstage-y += clock.c
+romstage-y += timer.c
+
+################################################################################
+
+ramstage-y += ../common/cbmem.c
+ramstage-y += ../common/spi.c
+ramstage-$(CONFIG_DRIVERS_UART) += ../common/uart.c
+ramstage-y += clock.c
+ramstage-y += soc.c
+ramstage-y += timer.c
+
+################################################################################
+
+CPPFLAGS_common += -Isrc/soc/rockchip/rk3399/include
+CPPFLAGS_common += -Isrc/soc/rockchip/common/include
+
+$(objcbfs)/bootblock.bin: $(objcbfs)/bootblock.raw.bin
+	@printf "Generating: $(subst $(obj)/,,$(@))\n"
+	@mkdir -p $(dir $@)
+	@$(IDBTOOL) --from=$< --to=$@ --enable-align --chip=RK33
+
+endif
diff --git a/src/soc/rockchip/rk3399/bootblock.c b/src/soc/rockchip/rk3399/bootblock.c
new file mode 100644
index 0000000000..ae41a083f4
--- /dev/null
+++ b/src/soc/rockchip/rk3399/bootblock.c
@@ -0,0 +1,25 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2016 Rockchip 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.
+ *
+ */
+
+#include <arch/io.h>
+#include <arch/mmu.h>
+#include <bootblock_common.h>
+#include <console/console.h>
+#include <symbols.h>
+
+void bootblock_soc_init(void)
+{
+}
diff --git a/src/soc/rockchip/rk3399/clock.c b/src/soc/rockchip/rk3399/clock.c
new file mode 100644
index 0000000000..cb7b400245
--- /dev/null
+++ b/src/soc/rockchip/rk3399/clock.c
@@ -0,0 +1,21 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2016 Rockchip 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.
+ *
+ */
+
+#include <soc/clock.h>
+
+void rkclk_configure_spi(unsigned int bus, unsigned int hz)
+{
+}
diff --git a/src/soc/rockchip/rk3399/include/soc/addressmap.h b/src/soc/rockchip/rk3399/include/soc/addressmap.h
new file mode 100644
index 0000000000..377256ed29
--- /dev/null
+++ b/src/soc/rockchip/rk3399/include/soc/addressmap.h
@@ -0,0 +1,58 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2016 Rockchip 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.
+ */
+
+#ifndef __SOC_ROCKCHIP_RK3399_ADDRESSMAP_H__
+#define __SOC_ROCKCHIP_RK3399_ADDRESSMAP_H__
+
+#define PMUGRF_BASE		0xff320000
+#define PMUSGRF_BASE		0xff330000
+#define CRU_BASE		0xff760000
+#define GRF_BASE		0xff770000
+#define TIMER0_BASE		0xff850000
+#define EMMC_BASE		0xfe330000
+#define SDMMC_BASE		0xfe320000
+
+#define GPIO0_BASE		0xff720000
+#define GPIO1_BASE		0xff730000
+#define GPIO2_BASE		0xff780000
+#define GPIO3_BASE		0xff788000
+#define GPIO4_BASE		0xff790000
+
+#define I2C0_BASE		0xff3c0000
+#define I2C1_BASE		0xff110000
+#define I2C2_BASE		0xff120000
+#define I2C3_BASE		0xff130000
+#define I2C4_BASE		0xff3d0000
+#define I2C5_BASE		0xff140000
+#define I2C6_BASE		0xff150000
+#define I2C7_BASE		0xff160000
+#define I2C8_BASE		0xff3e0000
+
+#define UART0_BASE		0xff180000
+#define UART1_BASE		0xff190000
+#define UART2_BASE		0xff1a0000
+#define UART3_BASE		0xff1b0000
+#define UART4_BASE		0xff370000
+
+#define SPI0_BASE		0xff1c0000
+#define SPI1_BASE		0xff1d0000
+#define SPI2_BASE		0xff1e0000
+#define SPI3_BASE		0xff350000
+#define SPI4_BASE		0xff1f0000
+#define	SPI5_BASE		0xff200000
+
+#define TSADC_BASE		0xff260000
+#define SARADC_BASE		0xff100000
+#endif /* __SOC_ROCKCHIP_RK3399_ADDRESSMAP_H__ */
diff --git a/src/soc/rockchip/rk3399/include/soc/clock.h b/src/soc/rockchip/rk3399/include/soc/clock.h
new file mode 100644
index 0000000000..c0ba52c4da
--- /dev/null
+++ b/src/soc/rockchip/rk3399/include/soc/clock.h
@@ -0,0 +1,21 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2016 Rockchip 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.
+ */
+
+#ifndef __SOC_ROCKCHIP_RK3399_CLOCK_H__
+#define __SOC_ROCKCHIP_RK3399_CLOCK_H__
+
+void rkclk_configure_spi(unsigned int bus, unsigned int hz);
+
+#endif	/* __SOC_ROCKCHIP_RK3399_CLOCK_H__ */
diff --git a/src/soc/rockchip/rk3399/include/soc/memlayout.ld b/src/soc/rockchip/rk3399/include/soc/memlayout.ld
new file mode 100644
index 0000000000..edb246d6f0
--- /dev/null
+++ b/src/soc/rockchip/rk3399/include/soc/memlayout.ld
@@ -0,0 +1,36 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2016 Rockchip 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.
+ */
+
+#include <memlayout.h>
+#include <arch/header.ld>
+
+SECTIONS
+{
+	DRAM_START(0x00000000)
+	POSTRAM_CBFS_CACHE(0x00100000, 1M)
+	RAMSTAGE(0x00300000, 256K)
+	DMA_COHERENT(0x10000000, 2M)
+
+	SRAM_START(0xFF8C0000)
+	BOOTBLOCK(0xFF8C2004, 32K - 4)
+	PRERAM_CBFS_CACHE(0xFF8CA000, 4K)
+	PRERAM_CBMEM_CONSOLE(0xFF8CB000, 4K)
+	OVERLAP_VERSTAGE_ROMSTAGE(0xFF8CC000, 64K)
+	VBOOT2_WORK(0XFF8DC000, 12K)
+	TTB(0xFF8DF000, 32K)
+	TIMESTAMP(0xFF8E7000, 1K)
+	STACK(0xFF8E7400, 24K)
+	SRAM_END(0xFF8F0000)
+}
diff --git a/src/soc/rockchip/rk3399/include/soc/sdram.h b/src/soc/rockchip/rk3399/include/soc/sdram.h
new file mode 100644
index 0000000000..808393ceff
--- /dev/null
+++ b/src/soc/rockchip/rk3399/include/soc/sdram.h
@@ -0,0 +1,20 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2016 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.
+ */
+
+/* dummy until the RAM init implementation passed review */
+static int sdram_size_mb(void)
+{
+	return 0;
+}
diff --git a/src/soc/rockchip/rk3399/include/soc/timer.h b/src/soc/rockchip/rk3399/include/soc/timer.h
new file mode 100644
index 0000000000..8513cfa5bc
--- /dev/null
+++ b/src/soc/rockchip/rk3399/include/soc/timer.h
@@ -0,0 +1,39 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2016 Rockchip 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.
+ */
+
+#ifndef __SOC_ROCKCHIP_RK3399_TIMER_H__
+#define __SOC_ROCKCHIP_RK3399_TIMER_H__
+
+#include <inttypes.h>
+#include <soc/addressmap.h>
+#include <timer.h>
+
+static const u32 clocks_per_usec = (24 * 1000 * 1000) / USECS_PER_SEC;
+
+struct rk3399_timer {
+	u32 timer_load_count0;
+	u32 timer_load_count1;
+	u32 timer_cur_value0;
+	u32 timer_cur_value1;
+	u32 timer_load_count2;
+	u32 timer_load_count3;
+	u32 timer_int_status;
+	u32 timer_ctrl_reg;
+};
+
+static struct rk3399_timer * const timer0_ptr = (void *)TIMER0_BASE;
+#define TIMER_LOAD_VAL	0xffffffff
+
+#endif	/* __SOC_ROCKCHIP_RK3399_TIMER_H__ */
diff --git a/src/soc/rockchip/rk3399/soc.c b/src/soc/rockchip/rk3399/soc.c
new file mode 100644
index 0000000000..aa21038e64
--- /dev/null
+++ b/src/soc/rockchip/rk3399/soc.c
@@ -0,0 +1,51 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2015 MediaTek 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.
+ */
+
+#include <cpu/cpu.h>
+#include <console/console.h>
+#include <device/device.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <string.h>
+#include <symbols.h>
+
+static void soc_read_resources(device_t dev)
+{
+	ram_resource(dev, 0, (uintptr_t)_dram / KiB,
+		     CONFIG_DRAM_SIZE_MB * KiB);
+}
+
+static void soc_init(device_t dev)
+{
+	/* reserve bl31 image, which define in
+	 * arm-trusted-firmware/plat/rockchip/rk3399/include/platform_def.h
+	 */
+	mmio_resource(dev, 1, (0x500000 / KiB), (0x80000 / KiB));
+}
+
+static struct device_operations soc_ops = {
+	.read_resources = soc_read_resources,
+	.init = soc_init,
+};
+
+static void enable_soc_dev(device_t dev)
+{
+	dev->ops = &soc_ops;
+}
+
+struct chip_operations soc_rockchip_rk3399_ops = {
+	CHIP_NAME("SOC Rockchip RK3399\n")
+	    .enable_dev = enable_soc_dev,
+};
diff --git a/src/soc/rockchip/rk3399/timer.c b/src/soc/rockchip/rk3399/timer.c
new file mode 100644
index 0000000000..96cf540f1f
--- /dev/null
+++ b/src/soc/rockchip/rk3399/timer.c
@@ -0,0 +1,45 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2016 Rockchip 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.
+ */
+
+#include <arch/io.h>
+#include <delay.h>
+#include <soc/timer.h>
+#include <stdint.h>
+#include <timer.h>
+
+static uint64_t timer_raw_value(void)
+{
+	uint64_t value0;
+	uint64_t value1;
+
+	value0 = (uint64_t)read32(&timer0_ptr->timer_cur_value0);
+	value1 = (uint64_t)read32(&timer0_ptr->timer_cur_value1);
+
+	return value0 | value1<<32;
+}
+
+void timer_monotonic_get(struct mono_time *mt)
+{
+	mono_time_set_usecs(mt, timer_raw_value() / clocks_per_usec);
+}
+
+void init_timer(void)
+{
+	write32(&timer0_ptr->timer_load_count0, TIMER_LOAD_VAL);
+	write32(&timer0_ptr->timer_load_count1, TIMER_LOAD_VAL);
+	write32(&timer0_ptr->timer_load_count2, 0);
+	write32(&timer0_ptr->timer_load_count3, 0);
+	write32(&timer0_ptr->timer_ctrl_reg, 1);
+}