diff options
Diffstat (limited to 'plat/marvell/a8k/common/plat_bl31_setup.c')
-rw-r--r-- | plat/marvell/a8k/common/plat_bl31_setup.c | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/plat/marvell/a8k/common/plat_bl31_setup.c b/plat/marvell/a8k/common/plat_bl31_setup.c new file mode 100644 index 00000000..b736830f --- /dev/null +++ b/plat/marvell/a8k/common/plat_bl31_setup.c @@ -0,0 +1,104 @@ +/* + * *************************************************************************** + * Copyright (C) 2016 Marvell International Ltd. + * *************************************************************************** + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * Neither the name of Marvell nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific + * prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, + * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + *************************************************************************** + */ + +#include <plat_marvell.h> +#include <plat_private.h> +#include <apn806_setup.h> +#include <cp110_setup.h> +#include <mmio.h> +#include <mci.h> +#include <debug.h> + +#ifdef SCP_IMAGE +#include <mss_ipc_drv.h> +#include <mss_mem.h> +#endif + +void marvell_bl31_mpp_init(void) +{ + uint32_t reg; + + /* + * Enable CP0 I2C MPPs (MPP: 37-38) + * U-Boot rely on proper MPP settings for I2C EEPROM usage + * (only for CP0) + */ + reg = mmio_read_32(MVEBU_CP_MPP_REGS(0, 4)); + mmio_write_32(MVEBU_CP_MPP_REGS(0, 4), reg | 0x2200000); +} + +void marvell_bl31_mss_init(void) +{ +#ifdef SCP_IMAGE + struct mss_pm_ctrl_block *mss_pm_crtl = + (struct mss_pm_ctrl_block *)MSS_SRAM_PM_CONTROL_BASE; + + INFO("MSS IPC init\n"); + + if (mss_pm_crtl->ipc_state == IPC_INITIALIZED) + mv_pm_ipc_init(mss_pm_crtl->ipc_base_address | MVEBU_REGS_BASE); +#else + INFO("MSS is not supported in this build\n"); +#endif +} + +/* This function overruns the same function in marvell_bl31_setup.c */ +void bl31_plat_arch_setup(void) +{ + /* initiliaze the timer for mdelay/udelay functionality */ + plat_delay_timer_init(); + + /* configure apn806 */ + apn806_init(); + + /* In marvell_bl31_plat_arch_setup, el3 mmu is configured. + * el3 mmu configuration MUST be called after apn806_init, if not, + * this will cause an hang in init_rfu + * (after setting the IO windows GCR values). + */ + marvell_bl31_plat_arch_setup(); + + /* configure cp110 for CP0*/ + cp110_init(0); + + /* initialize MCI & CP1 */ + if (CP_COUNT == 2 && mci_initialize(0)) + cp110_init(1); + + /* Should be called only after setting IOB windows */ + marvell_bl31_mpp_init(); + + /* initialize IPC between MSS and ATF */ + marvell_bl31_mss_init(); +} |