diff options
Diffstat (limited to 'plat/rockchip/common/bl31_plat_setup.c')
-rw-r--r-- | plat/rockchip/common/bl31_plat_setup.c | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/plat/rockchip/common/bl31_plat_setup.c b/plat/rockchip/common/bl31_plat_setup.c new file mode 100644 index 0000000..59db3d8 --- /dev/null +++ b/plat/rockchip/common/bl31_plat_setup.c @@ -0,0 +1,102 @@ +/* + * Copyright (c) 2016-2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <assert.h> + +#include <platform_def.h> + +#include <common/bl_common.h> +#include <common/debug.h> +#include <common/desc_image_load.h> +#include <drivers/console.h> +#include <drivers/generic_delay_timer.h> +#include <drivers/ti/uart/uart_16550.h> +#include <lib/mmio.h> +#include <plat_private.h> +#include <plat/common/platform.h> + +static entry_point_info_t bl32_ep_info; +static entry_point_info_t bl33_ep_info; + +/******************************************************************************* + * Return a pointer to the 'entry_point_info' structure of the next image for + * the security state specified. BL33 corresponds to the non-secure image type + * while BL32 corresponds to the secure image type. A NULL pointer is returned + * if the image does not exist. + ******************************************************************************/ +entry_point_info_t *bl31_plat_get_next_image_ep_info(uint32_t type) +{ + entry_point_info_t *next_image_info; + + next_image_info = (type == NON_SECURE) ? &bl33_ep_info : &bl32_ep_info; + assert(next_image_info->h.type == PARAM_EP); + + /* None of the images on this platform can have 0x0 as the entrypoint */ + if (next_image_info->pc) + return next_image_info; + else + return NULL; +} + +#pragma weak params_early_setup +void params_early_setup(u_register_t plat_param_from_bl2) +{ +} + +/******************************************************************************* + * Perform any BL3-1 early platform setup. Here is an opportunity to copy + * parameters passed by the calling EL (S-EL1 in BL2 & EL3 in BL1) before they + * are lost (potentially). This needs to be done before the MMU is initialized + * so that the memory layout can be used while creating page tables. + * BL2 has flushed this information to memory, so we are guaranteed to pick up + * good data. + ******************************************************************************/ +void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1, + u_register_t arg2, u_register_t arg3) +{ + static console_t console; + + params_early_setup(arg1); + + if (rockchip_get_uart_base() != 0) + console_16550_register(rockchip_get_uart_base(), + rockchip_get_uart_clock(), + rockchip_get_uart_baudrate(), &console); + + VERBOSE("bl31_setup\n"); + + bl31_params_parse_helper(arg0, &bl32_ep_info, &bl33_ep_info); +} + +/******************************************************************************* + * Perform any BL3-1 platform setup code + ******************************************************************************/ +void bl31_platform_setup(void) +{ + generic_delay_timer_init(); + plat_rockchip_soc_init(); + + /* Initialize the gic cpu and distributor interfaces */ + plat_rockchip_gic_driver_init(); + plat_rockchip_gic_init(); + plat_rockchip_pmu_init(); +} + +/******************************************************************************* + * Perform the very early platform specific architectural setup here. At the + * moment this is only initializes the mmu in a quick and dirty way. + ******************************************************************************/ +void bl31_plat_arch_setup(void) +{ + plat_cci_init(); + plat_cci_enable(); + plat_configure_mmu_el3(BL_CODE_BASE, + BL_COHERENT_RAM_END - BL_CODE_BASE, + BL_CODE_BASE, + BL_CODE_END, + BL_COHERENT_RAM_BASE, + BL_COHERENT_RAM_END); +} |