diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/mach-rockchip/Kconfig | 10 | ||||
-rw-r--r-- | arch/arm/mach-rockchip/Makefile | 4 | ||||
-rw-r--r-- | arch/arm/mach-rockchip/board.c | 1 | ||||
-rw-r--r-- | arch/arm/mach-rockchip/rk3036-board-spl.c | 55 | ||||
-rw-r--r-- | arch/arm/mach-rockchip/rk3036/Kconfig | 3 | ||||
-rw-r--r-- | arch/arm/mach-rockchip/rk3036/Makefile | 1 | ||||
-rw-r--r-- | arch/arm/mach-rockchip/rk3036/save_boot_param.S | 32 |
7 files changed, 104 insertions, 2 deletions
diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig index fa1f426..a2069f8 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 @@ -31,5 +39,5 @@ config DM_GPIO 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..f026abf 100644 --- a/arch/arm/mach-rockchip/board.c +++ b/arch/arm/mach-rockchip/board.c @@ -7,6 +7,7 @@ #include <common.h> #include <dm.h> #include <ram.h> +#include <asm/io.h> DECLARE_GLOBAL_DATA_PTR; 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..3a1491c --- /dev/null +++ b/arch/arm/mach-rockchip/rk3036-board-spl.c @@ -0,0 +1,55 @@ +/* + * (C) Copyright 2015 Rockchip Electronics Co., Ltd + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#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> + +DECLARE_GLOBAL_DATA_PTR; + +#define GRF_BASE 0x20008000 +static struct rk3036_grf * const grf = (void *)GRF_BASE; + +#define DEBUG_UART_BASE 0x20068000 + +extern void back_to_bootrom(void); + +void board_init_f(ulong dummy) +{ +#ifdef EARLY_DEBUG + /* + * NOTE: sd card and debug uart use same iomux in rk3036, + * so if you enable uart, + * you can not boot from sdcard + */ + 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((void *)DEBUG_UART_BASE); +#endif + 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..d76d5e1 --- /dev/null +++ b/arch/arm/mach-rockchip/rk3036/Kconfig @@ -0,0 +1,3 @@ +if ROCKCHIP_RK3036 + +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..778ec83 --- /dev/null +++ b/arch/arm/mach-rockchip/rk3036/save_boot_param.S @@ -0,0 +1,32 @@ +/* + * (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) |