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author | r.tyminski <r.tyminski@partner.samsung.com> | 2017-05-29 11:42:10 +0200 |
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committer | r.tyminski <r.tyminski@partner.samsung.com> | 2017-05-29 11:49:50 +0200 |
commit | f9a43781767007462965b21f3f518c4cfc0744c7 (patch) | |
tree | 201509439b1d9798256227794dae6774345adf43 /core/arch/arm/plat-imx/imx6ul.c | |
parent | 1fed20f5471aa0dad5e4b4f79d1f2843ac88734f (diff) | |
download | tef-optee_os-f9a43781767007462965b21f3f518c4cfc0744c7.tar.gz tef-optee_os-f9a43781767007462965b21f3f518c4cfc0744c7.tar.bz2 tef-optee_os-f9a43781767007462965b21f3f518c4cfc0744c7.zip |
Initial commit with upstream sources
Change-Id: Ie9460111f21fc955102fd8732a0173b2d0499a4a
Diffstat (limited to 'core/arch/arm/plat-imx/imx6ul.c')
-rw-r--r-- | core/arch/arm/plat-imx/imx6ul.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/core/arch/arm/plat-imx/imx6ul.c b/core/arch/arm/plat-imx/imx6ul.c new file mode 100644 index 0000000..795c750 --- /dev/null +++ b/core/arch/arm/plat-imx/imx6ul.c @@ -0,0 +1,57 @@ +/* + * Copyright (C) 2016 Freescale Semiconductor, Inc. + * All rights reserved. + * + * Peng Fan <peng.fan@nxp.com> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. 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. + * + * 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 <arm32.h> +#include <io.h> +#include <kernel/generic_boot.h> +#include <platform_config.h> +#include <stdint.h> + +static void init_csu(void) +{ + uintptr_t addr; + + /* first grant all peripherals */ + for (addr = CSU_BASE + CSU_CSL_START; + addr != CSU_BASE + CSU_CSL_END; + addr += 4) + write32(CSU_ACCESS_ALL, addr); + + /* lock the settings */ + for (addr = CSU_BASE + CSU_CSL_START; + addr != CSU_BASE + CSU_CSL_END; + addr += 4) + write32(read32(addr) | CSU_SETTING_LOCK, addr); +} + +/* MMU not enabled now */ +void plat_cpu_reset_late(void) +{ + init_csu(); +} |