diff options
Diffstat (limited to 'plat/amlogic/gxl/gxl_common.c')
-rw-r--r-- | plat/amlogic/gxl/gxl_common.c | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/plat/amlogic/gxl/gxl_common.c b/plat/amlogic/gxl/gxl_common.c new file mode 100644 index 00000000..e3bd6048 --- /dev/null +++ b/plat/amlogic/gxl/gxl_common.c @@ -0,0 +1,143 @@ +/* + * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <assert.h> +#include <common/bl_common.h> +#include <common/debug.h> +#include <common/ep_info.h> +#include <bl31/interrupt_mgmt.h> +#include <meson_console.h> +#include <lib/mmio.h> +#include <platform_def.h> +#include <stdint.h> +#include <lib/xlat_tables/xlat_tables_v2.h> + +/******************************************************************************* + * Platform memory map regions + ******************************************************************************/ +#define MAP_NSDRAM0 MAP_REGION_FLAT(GXBB_NSDRAM0_BASE, \ + GXBB_NSDRAM0_SIZE, \ + MT_MEMORY | MT_RW | MT_NS) + +#define MAP_NSDRAM1 MAP_REGION_FLAT(GXBB_NSDRAM1_BASE, \ + GXBB_NSDRAM1_SIZE, \ + MT_MEMORY | MT_RW | MT_NS) + +#define MAP_SEC_DEVICE0 MAP_REGION_FLAT(GXBB_SEC_DEVICE0_BASE, \ + GXBB_SEC_DEVICE0_SIZE, \ + MT_DEVICE | MT_RW | MT_SECURE) + +#define MAP_SEC_DEVICE1 MAP_REGION_FLAT(GXBB_SEC_DEVICE1_BASE, \ + GXBB_SEC_DEVICE1_SIZE, \ + MT_DEVICE | MT_RW | MT_SECURE) + +#define MAP_TZRAM MAP_REGION_FLAT(GXBB_TZRAM_BASE, \ + GXBB_TZRAM_SIZE, \ + MT_DEVICE | MT_RW | MT_SECURE) + +#define MAP_SEC_DEVICE2 MAP_REGION_FLAT(GXBB_SEC_DEVICE2_BASE, \ + GXBB_SEC_DEVICE2_SIZE, \ + MT_DEVICE | MT_RW | MT_SECURE) + +#define MAP_SEC_DEVICE3 MAP_REGION_FLAT(GXBB_SEC_DEVICE3_BASE, \ + GXBB_SEC_DEVICE3_SIZE, \ + MT_DEVICE | MT_RW | MT_SECURE) + +static const mmap_region_t gxbb_mmap[] = { + MAP_NSDRAM0, + MAP_NSDRAM1, + MAP_SEC_DEVICE0, + MAP_SEC_DEVICE1, + MAP_TZRAM, + MAP_SEC_DEVICE2, + MAP_SEC_DEVICE3, + {0} +}; + +/******************************************************************************* + * Per-image regions + ******************************************************************************/ +#define MAP_BL31 MAP_REGION_FLAT(BL31_BASE, \ + BL31_END - BL31_BASE, \ + MT_MEMORY | MT_RW | MT_SECURE) + +#define MAP_BL_CODE MAP_REGION_FLAT(BL_CODE_BASE, \ + BL_CODE_END - BL_CODE_BASE, \ + MT_CODE | MT_SECURE) + +#define MAP_BL_RO_DATA MAP_REGION_FLAT(BL_RO_DATA_BASE, \ + BL_RO_DATA_END - BL_RO_DATA_BASE, \ + MT_RO_DATA | MT_SECURE) + +#define MAP_BL_COHERENT MAP_REGION_FLAT(BL_COHERENT_RAM_BASE, \ + BL_COHERENT_RAM_END - BL_COHERENT_RAM_BASE, \ + MT_DEVICE | MT_RW | MT_SECURE) + +/******************************************************************************* + * Function that sets up the translation tables. + ******************************************************************************/ +void gxbb_setup_page_tables(void) +{ +#if IMAGE_BL31 + const mmap_region_t gxbb_bl_mmap[] = { + MAP_BL31, + MAP_BL_CODE, + MAP_BL_RO_DATA, +#if USE_COHERENT_MEM + MAP_BL_COHERENT, +#endif + {0} + }; +#endif + + mmap_add(gxbb_bl_mmap); + + mmap_add(gxbb_mmap); + + init_xlat_tables(); +} + +/******************************************************************************* + * Function that sets up the console + ******************************************************************************/ +static console_meson_t gxbb_console; + +void gxbb_console_init(void) +{ + int rc = console_meson_register(GXBB_UART0_AO_BASE, + GXBB_UART0_AO_CLK_IN_HZ, + GXBB_UART_BAUDRATE, + &gxbb_console); + if (rc == 0) { + /* + * The crash console doesn't use the multi console API, it uses + * the core console functions directly. It is safe to call panic + * and let it print debug information. + */ + panic(); + } + + console_set_scope(&gxbb_console.console, + CONSOLE_FLAG_BOOT | CONSOLE_FLAG_RUNTIME); +} + +/******************************************************************************* + * Function that returns the system counter frequency + ******************************************************************************/ +unsigned int plat_get_syscnt_freq2(void) +{ + uint32_t val; + + val = mmio_read_32(GXBB_SYS_CPU_CFG7); + val &= 0xFDFFFFFF; + mmio_write_32(GXBB_SYS_CPU_CFG7, val); + + val = mmio_read_32(GXBB_AO_TIMESTAMP_CNTL); + val &= 0xFFFFFE00; + mmio_write_32(GXBB_AO_TIMESTAMP_CNTL, val); + + return GXBB_OSC24M_CLK_IN_HZ; +} |