diff options
Diffstat (limited to 'arch/arm/mach-rockchip/rk3399-board-spl.c')
| -rw-r--r-- | arch/arm/mach-rockchip/rk3399-board-spl.c | 43 |
1 files changed, 35 insertions, 8 deletions
diff --git a/arch/arm/mach-rockchip/rk3399-board-spl.c b/arch/arm/mach-rockchip/rk3399-board-spl.c index 4f84ec10a56..050f5e167e6 100644 --- a/arch/arm/mach-rockchip/rk3399-board-spl.c +++ b/arch/arm/mach-rockchip/rk3399-board-spl.c @@ -156,19 +156,24 @@ void secure_timer_init(void) writel(TIMER_EN | TIMER_FMODE, TIMER_CHN10_BASE + TIMER_CONTROL_REG); } -#define GRF_EMMCCORE_CON11 0xff77f02c -void board_init_f(ulong dummy) -{ - struct udevice *pinctrl; - struct udevice *dev; - int ret; +#define SGRF_DDR_RGN_CON16 0xff330040 - /* Example code showing how to enable the debug UART on RK3288 */ +void board_debug_uart_init(void) +{ #include <asm/arch/grf_rk3399.h> - /* Enable early UART2 channel C on the RK3399 */ #define GRF_BASE 0xff770000 struct rk3399_grf_regs * const grf = (void *)GRF_BASE; +#if defined(CONFIG_DEBUG_UART_BASE) && (CONFIG_DEBUG_UART_BASE == 0xff180000) + /* Enable early UART0 on the RK3399 */ + rk_clrsetreg(&grf->gpio2c_iomux, + GRF_GPIO2C0_SEL_MASK, + GRF_UART0BT_SIN << GRF_GPIO2C0_SEL_SHIFT); + rk_clrsetreg(&grf->gpio2c_iomux, + GRF_GPIO2C1_SEL_MASK, + GRF_UART0BT_SOUT << GRF_GPIO2C1_SEL_SHIFT); +#else + /* Enable early UART2 channel C on the RK3399 */ rk_clrsetreg(&grf->gpio4c_iomux, GRF_GPIO4C3_SEL_MASK, GRF_UART2DGBC_SIN << GRF_GPIO4C3_SEL_SHIFT); @@ -179,6 +184,16 @@ void board_init_f(ulong dummy) rk_clrsetreg(&grf->soc_con7, GRF_UART_DBG_SEL_MASK, GRF_UART_DBG_SEL_C << GRF_UART_DBG_SEL_SHIFT); +#endif +} + +#define GRF_EMMCCORE_CON11 0xff77f02c +void board_init_f(ulong dummy) +{ + struct udevice *pinctrl; + struct udevice *dev; + int ret; + #define EARLY_UART #ifdef EARLY_UART /* @@ -201,6 +216,17 @@ void board_init_f(ulong dummy) hang(); } + /* + * Disable DDR security regions. + * + * As we are entered from the BootROM, the region from + * 0x0 through 0xfffff (i.e. the first MB of memory) will + * be protected. This will cause issues with the DW_MMC + * driver, which tries to DMA from/to the stack (likely) + * located in this range. + */ + rk_clrsetreg(SGRF_DDR_RGN_CON16, 0x1FF, 0); + secure_timer_init(); ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl); @@ -238,6 +264,7 @@ void spl_board_init(void) #ifdef CONFIG_ROCKCHIP_SPL_BACK_TO_BROM back_to_bootrom(); #endif + return; err: printf("spl_board_init: Error %d\n", ret); |