diff options
Diffstat (limited to 'arch/arm/mach-rockchip/rk3368-board-tpl.c')
| -rw-r--r-- | arch/arm/mach-rockchip/rk3368-board-tpl.c | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/arch/arm/mach-rockchip/rk3368-board-tpl.c b/arch/arm/mach-rockchip/rk3368-board-tpl.c deleted file mode 100644 index dc65a021c8..0000000000 --- a/arch/arm/mach-rockchip/rk3368-board-tpl.c +++ /dev/null @@ -1,123 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * (C) Copyright 2017 Theobroma Systems Design und Consulting GmbH - */ - -#include <common.h> -#include <debug_uart.h> -#include <dm.h> -#include <ram.h> -#include <spl.h> -#include <syscon.h> -#include <asm/io.h> -#include <asm/arch-rockchip/bootrom.h> -#include <asm/arch-rockchip/clock.h> -#include <asm/arch-rockchip/cru_rk3368.h> -#include <asm/arch-rockchip/hardware.h> -#include <asm/arch-rockchip/timer.h> - -/* - * The SPL (and also the full U-Boot stage on the RK3368) will run in - * secure mode (i.e. EL3) and an ATF will eventually be booted before - * starting up the operating system... so we can initialize the SGRF - * here and rely on the ATF installing the final (secure) policy - * later. - */ -static inline uintptr_t sgrf_soc_con_addr(unsigned no) -{ - const uintptr_t SGRF_BASE = - (uintptr_t)syscon_get_first_range(ROCKCHIP_SYSCON_SGRF); - - return SGRF_BASE + sizeof(u32) * no; -} - -static inline uintptr_t sgrf_busdmac_addr(unsigned no) -{ - const uintptr_t SGRF_BASE = - (uintptr_t)syscon_get_first_range(ROCKCHIP_SYSCON_SGRF); - const uintptr_t SGRF_BUSDMAC_OFFSET = 0x100; - const uintptr_t SGRF_BUSDMAC_BASE = SGRF_BASE + SGRF_BUSDMAC_OFFSET; - - return SGRF_BUSDMAC_BASE + sizeof(u32) * no; -} - -static void sgrf_init(void) -{ - struct rk3368_cru * const cru = - (struct rk3368_cru * const)rockchip_get_cru(); - const u16 SGRF_SOC_CON_SEC = GENMASK(15, 0); - const u16 SGRF_BUSDMAC_CON0_SEC = BIT(2); - const u16 SGRF_BUSDMAC_CON1_SEC = GENMASK(15, 12); - - /* Set all configurable IP to 'non secure'-mode */ - rk_setreg(sgrf_soc_con_addr(5), SGRF_SOC_CON_SEC); - rk_setreg(sgrf_soc_con_addr(6), SGRF_SOC_CON_SEC); - rk_setreg(sgrf_soc_con_addr(7), SGRF_SOC_CON_SEC); - - /* - * From rockchip-uboot/arch/arm/cpu/armv8/rk33xx/cpu.c - * Original comment: "ddr space set no secure mode" - */ - rk_clrreg(sgrf_soc_con_addr(8), SGRF_SOC_CON_SEC); - rk_clrreg(sgrf_soc_con_addr(9), SGRF_SOC_CON_SEC); - rk_clrreg(sgrf_soc_con_addr(10), SGRF_SOC_CON_SEC); - - /* Set 'secure dma' to 'non secure'-mode */ - rk_setreg(sgrf_busdmac_addr(0), SGRF_BUSDMAC_CON0_SEC); - rk_setreg(sgrf_busdmac_addr(1), SGRF_BUSDMAC_CON1_SEC); - - dsb(); /* barrier */ - - rk_setreg(&cru->softrst_con[1], DMA1_SRST_REQ); - rk_setreg(&cru->softrst_con[4], DMA2_SRST_REQ); - - dsb(); /* barrier */ - udelay(10); - - rk_clrreg(&cru->softrst_con[1], DMA1_SRST_REQ); - rk_clrreg(&cru->softrst_con[4], DMA2_SRST_REQ); -} - -void board_init_f(ulong dummy) -{ - struct udevice *dev; - int ret; - -#ifdef CONFIG_DEBUG_UART - /* - * Debug UART can be used from here if required: - * - * debug_uart_init(); - * printch('a'); - * printhex8(0x1234); - * printascii("string"); - */ - debug_uart_init(); - printascii("U-Boot TPL board init\n"); -#endif - - ret = spl_early_init(); - if (ret) { - debug("spl_early_init() failed: %d\n", ret); - hang(); - } - - /* Reset security, so we can use DMA in the MMC drivers */ - sgrf_init(); - - ret = uclass_get_device(UCLASS_RAM, 0, &dev); - if (ret) { - debug("DRAM init failed: %d\n", ret); - return; - } -} - -void board_return_to_bootrom(void) -{ - back_to_bootrom(BROM_BOOT_NEXTSTAGE); -} - -u32 spl_boot_device(void) -{ - return BOOT_DEVICE_BOOTROM; -} |