| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * (C) Copyright 2019 Rockchip Electronics Co., Ltd |
| */ |
| #include <asm/io.h> |
| #include <asm/arch-rockchip/bootrom.h> |
| #include <asm/arch-rockchip/grf_rk322x.h> |
| #include <asm/arch-rockchip/hardware.h> |
| |
| const char * const boot_devices[BROM_LAST_BOOTSOURCE + 1] = { |
| [BROM_BOOTSOURCE_EMMC] = "/dwmmc@30020000", |
| [BROM_BOOTSOURCE_SD] = "/dwmmc@30000000", |
| }; |
| |
| #ifdef CONFIG_DEBUG_UART_BOARD_INIT |
| void board_debug_uart_init(void) |
| { |
| #define GRF_BASE 0x11000000 |
| static struct rk322x_grf * const grf = (void *)GRF_BASE; |
| enum { |
| GPIO1B2_SHIFT = 4, |
| GPIO1B2_MASK = 3 << GPIO1B2_SHIFT, |
| GPIO1B2_GPIO = 0, |
| GPIO1B2_UART1_SIN, |
| GPIO1B2_UART21_SIN, |
| |
| GPIO1B1_SHIFT = 2, |
| GPIO1B1_MASK = 3 << GPIO1B1_SHIFT, |
| GPIO1B1_GPIO = 0, |
| GPIO1B1_UART1_SOUT, |
| GPIO1B1_UART21_SOUT, |
| }; |
| enum { |
| CON_IOMUX_UART2SEL_SHIFT = 8, |
| CON_IOMUX_UART2SEL_MASK = 1 << CON_IOMUX_UART2SEL_SHIFT, |
| CON_IOMUX_UART2SEL_2 = 0, |
| CON_IOMUX_UART2SEL_21, |
| }; |
| |
| /* Enable early UART2 channel 1 on the RK322x */ |
| rk_clrsetreg(&grf->gpio1b_iomux, |
| GPIO1B1_MASK | GPIO1B2_MASK, |
| GPIO1B2_UART21_SIN << GPIO1B2_SHIFT | |
| GPIO1B1_UART21_SOUT << GPIO1B1_SHIFT); |
| /* Set channel C as UART2 input */ |
| rk_clrsetreg(&grf->con_iomux, |
| CON_IOMUX_UART2SEL_MASK, |
| CON_IOMUX_UART2SEL_21 << CON_IOMUX_UART2SEL_SHIFT); |
| } |
| #endif |
| |
| int arch_cpu_init(void) |
| { |
| #ifdef CONFIG_SPL_BUILD |
| #define SGRF_BASE 0x10150000 |
| static struct rk322x_sgrf * const sgrf = (void *)SGRF_BASE; |
| |
| /* Disable the ddr secure region setting to make it non-secure */ |
| rk_clrreg(&sgrf->soc_con[0], 0x4000); |
| #else |
| #define GRF_BASE 0x11000000 |
| static struct rk322x_grf * const grf = (void *)GRF_BASE; |
| /* |
| * The integrated macphy is enabled by default, disable it |
| * for saving power consuming. |
| */ |
| rk_clrsetreg(&grf->macphy_con[0], |
| MACPHY_CFG_ENABLE_MASK, |
| 0 << MACPHY_CFG_ENABLE_SHIFT); |
| |
| #endif |
| return 0; |
| } |