[U-Boot] [PATCH v2 16/17] rockchip: rk3036: Add core Soc start-up code
Lin Huang
hl at rock-chips.com
Wed Nov 4 13:53:39 CET 2015
rk3036 only 4K size SRAM for SPL, so only support
timer, uart, sdram driver in SPL stage, when finish
initial sdram, back to bootrom.
Signed-off-by: Lin Huang <hl at rock-chips.com>
---
Changes in v1:
- clean copyright announcement
Changes in v2:
- support SPL
arch/arm/mach-rockchip/Kconfig | 10 +-
arch/arm/mach-rockchip/Makefile | 4 +-
arch/arm/mach-rockchip/board.c | 1 +
arch/arm/mach-rockchip/rk3036-board-spl.c | 44 +++++++++
arch/arm/mach-rockchip/rk3036/Kconfig | 17 ++++
arch/arm/mach-rockchip/rk3036/Makefile | 1 +
arch/arm/mach-rockchip/rk3036/save_boot_param.S | 34 +++++++
include/configs/rk3036_common.h | 120 ++++++++++++++++++++++++
8 files changed, 229 insertions(+), 2 deletions(-)
create mode 100644 arch/arm/mach-rockchip/rk3036-board-spl.c
create mode 100644 arch/arm/mach-rockchip/rk3036/Kconfig
create mode 100644 arch/arm/mach-rockchip/rk3036/save_boot_param.S
create mode 100644 include/configs/rk3036_common.h
diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig
index da665ef..6b608db 100644
--- a/arch/arm/mach-rockchip/Kconfig
+++ b/arch/arm/mach-rockchip/Kconfig
@@ -9,6 +9,14 @@ config ROCKCHIP_RK3288
and video codec support. Peripherals include Gigabit Ethernet,
USB2 host and OTG, SDIO, I2S, UART,s, SPI, I2C and PWMs.
+config ROCKCHIP_RK3036
+ bool "Support Rockchip RK3036"
+ help
+ The Rockchip RK3036 is a ARM-based SoC with a dual-core Cortex-A7
+ including NEON and GPU, Mali-400 graphics, several DDR3 options
+ and video codec support. Peripherals include Gigabit Ethernet,
+ USB2 host and OTG, SDIO, I2S, UART, SPI, I2C and PWMs.
+
config SYS_MALLOC_F
default y
@@ -34,5 +42,5 @@ config ROCKCHIP_SERIAL
default y
source "arch/arm/mach-rockchip/rk3288/Kconfig"
-
+source "arch/arm/mach-rockchip/rk3036/Kconfig"
endif
diff --git a/arch/arm/mach-rockchip/Makefile b/arch/arm/mach-rockchip/Makefile
index a29675d..b703c3c 100644
--- a/arch/arm/mach-rockchip/Makefile
+++ b/arch/arm/mach-rockchip/Makefile
@@ -6,10 +6,12 @@
ifdef CONFIG_SPL_BUILD
obj-$(CONFIG_ROCKCHIP_RK3288) += rk3288-board-spl.o
+obj-$(CONFIG_ROCKCHIP_RK3036) += rk3036-board-spl.o
else
-obj-y += board.o
+obj-$(CONFIG_ROCKCHIP_RK3288) += board.o
endif
obj-y += rk_timer.o
obj-y += rk_early_print.o
obj-$(CONFIG_$(SPL_)ROCKCHIP_COMMON) += common.o
obj-$(CONFIG_ROCKCHIP_RK3288) += rk3288/
+obj-$(CONFIG_ROCKCHIP_RK3036) += rk3036/
diff --git a/arch/arm/mach-rockchip/board.c b/arch/arm/mach-rockchip/board.c
index 688bc0f..d7a8312 100644
--- a/arch/arm/mach-rockchip/board.c
+++ b/arch/arm/mach-rockchip/board.c
@@ -4,6 +4,7 @@
* SPDX-License-Identifier: GPL-2.0+
*/
+#include <asm/io.h>
#include <common.h>
#include <dm.h>
#include <ram.h>
diff --git a/arch/arm/mach-rockchip/rk3036-board-spl.c b/arch/arm/mach-rockchip/rk3036-board-spl.c
new file mode 100644
index 0000000..734dfe5
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk3036-board-spl.c
@@ -0,0 +1,44 @@
+/*
+ * (C) Copyright 2015 Google, Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#include <asm/arch/grf_rk3036.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/sdram_rk3036.h>
+#include <asm/arch/timer.h>
+#include <asm/arch/uart.h>
+#include <asm/io.h>
+#include <common.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define GRF_BASE 0x20008000
+static struct rk3036_grf * const grf = (void *)GRF_BASE;
+
+extern void back_to_bootrom(void);
+
+void board_init_f(ulong dummy)
+{
+ //Debug UART can be used from here if required:
+ rk_clrsetreg(&grf->gpio1c_iomux,
+ GPIO1C3_MASK << GPIO1C3_SHIFT |
+ GPIO1C2_MASK << GPIO1C2_SHIFT,
+ GPIO1C3_UART2_SOUT << GPIO1C3_SHIFT |
+ GPIO1C2_UART2_SIN << GPIO1C2_SHIFT);
+ rk_uart_init();
+ rockchip_timer_init();
+ sdram_init();
+
+ /* return to maskrom */
+ back_to_bootrom();
+}
+
+/* Place Holders */
+void board_init_r(gd_t *id, ulong dest_addr)
+{
+ /* Function attribute is no-return */
+ /* This Function never executes */
+ while (1)
+ ;
+}
diff --git a/arch/arm/mach-rockchip/rk3036/Kconfig b/arch/arm/mach-rockchip/rk3036/Kconfig
new file mode 100644
index 0000000..0fbc58e
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk3036/Kconfig
@@ -0,0 +1,17 @@
+if ROCKCHIP_RK3036
+
+config TARGET_EVB_RK3036
+ bool "EVB_RK3036"
+
+config SYS_SOC
+ default "rockchip"
+
+config SYS_MALLOC_F_LEN
+ default 0x400
+
+config ROCKCHIP_COMMON
+ bool "Support rk common fuction"
+
+source "board/evb_rk3036/evb_rk3036/Kconfig"
+
+endif
diff --git a/arch/arm/mach-rockchip/rk3036/Makefile b/arch/arm/mach-rockchip/rk3036/Makefile
index 6095777..97d299d 100644
--- a/arch/arm/mach-rockchip/rk3036/Makefile
+++ b/arch/arm/mach-rockchip/rk3036/Makefile
@@ -10,3 +10,4 @@ obj-y += syscon_rk3036.o
endif
obj-y += sdram_rk3036.o
+obj-y += save_boot_param.o
diff --git a/arch/arm/mach-rockchip/rk3036/save_boot_param.S b/arch/arm/mach-rockchip/rk3036/save_boot_param.S
new file mode 100644
index 0000000..3d3883d
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk3036/save_boot_param.S
@@ -0,0 +1,34 @@
+/*
+ * (C) Copyright 2015 Google, Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <linux/linkage.h>
+
+.globl SAVE_SP_ADDR
+SAVE_SP_ADDR:
+ .word 0
+
+/*************************************************************************
+ *
+ * void save_boot_params
+ *
+ * Save sp, lr, r1~r12
+ *
+ *************************************************************************/
+ENTRY(save_boot_params)
+ push {r1-r12, lr}
+ ldr r0, =SAVE_SP_ADDR
+ str sp, [r0]
+ b save_boot_params_ret @ back to my caller
+ENDPROC(save_boot_params)
+
+
+.globl back_to_bootrom
+ENTRY(back_to_bootrom)
+ ldr r0, =SAVE_SP_ADDR
+ ldr sp, [r0]
+ mov r0, #0
+ pop {r1-r12, pc}
+ENDPROC(back_to_bootrom)
diff --git a/include/configs/rk3036_common.h b/include/configs/rk3036_common.h
new file mode 100644
index 0000000..f7bd852
--- /dev/null
+++ b/include/configs/rk3036_common.h
@@ -0,0 +1,120 @@
+/*
+ * (C) Copyright 2015 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#ifndef __CONFIG_RK3036_COMMON_H
+#define __CONFIG_RK3036_COMMON_H
+
+#include <asm/arch/hardware.h>
+
+#define CONFIG_SYS_NO_FLASH
+#define CONFIG_NR_DRAM_BANKS 1
+#define CONFIG_ENV_IS_NOWHERE
+#define CONFIG_ENV_SIZE 0x2000
+#define CONFIG_SYS_GENERIC_BOARD
+#define CONFIG_SYS_MAXARGS 16
+#define CONFIG_BAUDRATE 115200
+#define CONFIG_SYS_MALLOC_LEN (32 << 20)
+#define CONFIG_SYS_CBSIZE 1024
+#define CONFIG_SKIP_LOWLEVEL_INIT
+#define CONFIG_SYS_THUMB_BUILD
+/* #define CONFIG_OF_LIBFDT */
+#define CONFIG_DISPLAY_BOARDINFO
+
+#define CONFIG_SYS_TIMER_RATE (24 * 1000 * 1000)
+#define CONFIG_SYS_TIMER_BASE 0x200440a0 /* TIMER5 */
+#define CONFIG_SYS_TIMER_COUNTER (CONFIG_SYS_TIMER_BASE + 8)
+
+/* #define CONFIG_SPL_FRAMEWORK
+#define CONFIG_SPL_LIBCOMMON_SUPPORT
+#define CONFIG_SPL_LIBGENERIC_SUPPORT
+#define CONFIG_SPL_SERIAL_SUPPORT */
+#define CONFIG_SYS_NS16550
+#define CONFIG_SYS_NS16550_MEM32
+/* #define CONFIG_SPL_BOARD_INIT */
+
+#ifdef CONFIG_SPL_BUILD
+#define CONFIG_SYS_MALLOC_SIMPLE
+#endif
+
+#define CONFIG_SYS_TEXT_BASE 0x60000000
+#define CONFIG_SYS_INIT_SP_ADDR 0x60100000
+#define CONFIG_SYS_LOAD_ADDR 0x60800800
+#define CONFIG_SPL_STACK 0x10081fff
+#define CONFIG_SPL_TEXT_BASE 0x10081004
+
+#define CONFIG_ROCKCHIP_COMMON
+
+/* MMC/SD IP block */
+#define CONFIG_MMC
+#define CONFIG_GENERIC_MMC
+#define CONFIG_CMD_MMC
+#define CONFIG_SDHCI
+#define CONFIG_ROCKCHIP_3036_DWMMC
+#define CONFIG_BOUNCE_BUFFER
+
+#define CONFIG_DOS_PARTITION
+#define CONFIG_CMD_FAT
+#define CONFIG_FAT_WRITE
+#define CONFIG_CMD_EXT2
+#define CONFIG_CMD_EXT4
+#define CONFIG_CMD_FS_GENERIC
+#define CONFIG_PARTITION_UUIDS
+#define CONFIG_CMD_PART
+
+/* RAW SD card / eMMC locations. */
+#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 256
+#define CONFIG_SYS_SPI_U_BOOT_OFFS (128 << 10)
+
+/* FAT sd card locations. */
+#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1
+#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"
+
+/* #define CONFIG_SPL_PINCTRL_SUPPORT
+#define CONFIG_SPL_GPIO_SUPPORT
+#define CONFIG_SPL_RAM_SUPPORT
+#define CONFIG_SPL_DRIVERS_MISC_SUPPORT */
+
+#define CONFIG_CMD_CACHE
+#define CONFIG_CMD_TIME
+
+#define CONFIG_SYS_SDRAM_BASE 0x60000000
+#define CONFIG_NR_DRAM_BANKS 1
+#define SDRAM_BANK_SIZE (512UL << 20UL)
+
+#define CONFIG_SPI_FLASH
+#define CONFIG_SPI
+#define CONFIG_CMD_SF
+#define CONFIG_CMD_SPI
+#define CONFIG_SPI_FLASH_GIGADEVICE
+#define CONFIG_SF_DEFAULT_SPEED 20000000
+
+#define CONFIG_CMD_I2C
+
+#ifndef CONFIG_SPL_BUILD
+#include <config_distro_defaults.h>
+
+#define ENV_MEM_LAYOUT_SETTINGS \
+ "scriptaddr=0x00000000\0" \
+ "pxefile_addr_r=0x00100000\0" \
+ "fdt_addr_r=0x01f00000\0" \
+ "kernel_addr_r=0x02000000\0" \
+ "ramdisk_addr_r=0x04000000\0"
+
+/* First try to boot from SD (index 0), then eMMC (index 1 */
+#define BOOT_TARGET_DEVICES(func) \
+ func(MMC, mmc, 0) \
+ func(MMC, mmc, 1)
+
+#include <config_distro_bootcmd.h>
+
+/* Linux fails to load the fdt if it's loaded above 512M on a Rock 2 board, so
+ * limit the fdt reallocation to that */
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ "fdt_high=0x1fffffff\0" \
+ ENV_MEM_LAYOUT_SETTINGS \
+ BOOTENV
+#endif
+
+#endif
--
1.9.1
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