From 871480933a1c28f8a9fed4c4d34d06c439a7a422 Mon Sep 17 00:00:00 2001 From: Srikant Patnaik Date: Sun, 11 Jan 2015 12:28:04 +0530 Subject: Moved, renamed, and deleted files The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure. --- arch/powerpc/kernel/cpu_setup_fsl_booke.S | 98 +++++++++++++++++++++++++++++++ 1 file changed, 98 insertions(+) create mode 100644 arch/powerpc/kernel/cpu_setup_fsl_booke.S (limited to 'arch/powerpc/kernel/cpu_setup_fsl_booke.S') diff --git a/arch/powerpc/kernel/cpu_setup_fsl_booke.S b/arch/powerpc/kernel/cpu_setup_fsl_booke.S new file mode 100644 index 00000000..8053db02 --- /dev/null +++ b/arch/powerpc/kernel/cpu_setup_fsl_booke.S @@ -0,0 +1,98 @@ +/* + * This file contains low level CPU setup functions. + * Kumar Gala + * Copyright 2009 Freescale Semiconductor, Inc. + * + * Based on cpu_setup_6xx code by + * Benjamin Herrenschmidt + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + * + */ + +#include +#include +#include + +_GLOBAL(__e500_icache_setup) + mfspr r0, SPRN_L1CSR1 + andi. r3, r0, L1CSR1_ICE + bnelr /* Already enabled */ + oris r0, r0, L1CSR1_CPE@h + ori r0, r0, (L1CSR1_ICFI | L1CSR1_ICLFR | L1CSR1_ICE) + mtspr SPRN_L1CSR1, r0 /* Enable I-Cache */ + isync + blr + +_GLOBAL(__e500_dcache_setup) + mfspr r0, SPRN_L1CSR0 + andi. r3, r0, L1CSR0_DCE + bnelr /* Already enabled */ + msync + isync + li r0, 0 + mtspr SPRN_L1CSR0, r0 /* Disable */ + msync + isync + li r0, (L1CSR0_DCFI | L1CSR0_CLFC) + mtspr SPRN_L1CSR0, r0 /* Invalidate */ + isync +1: mfspr r0, SPRN_L1CSR0 + andi. r3, r0, L1CSR0_CLFC + bne+ 1b /* Wait for lock bits reset */ + oris r0, r0, L1CSR0_CPE@h + ori r0, r0, L1CSR0_DCE + msync + isync + mtspr SPRN_L1CSR0, r0 /* Enable */ + isync + blr + +#ifdef CONFIG_PPC32 +_GLOBAL(__setup_cpu_e200) + /* enable dedicated debug exception handling resources (Debug APU) */ + mfspr r3,SPRN_HID0 + ori r3,r3,HID0_DAPUEN@l + mtspr SPRN_HID0,r3 + b __setup_e200_ivors +_GLOBAL(__setup_cpu_e500v1) +_GLOBAL(__setup_cpu_e500v2) + mflr r4 + bl __e500_icache_setup + bl __e500_dcache_setup + bl __setup_e500_ivors +#ifdef CONFIG_FSL_RIO + /* Ensure that RFXE is set */ + mfspr r3,SPRN_HID1 + oris r3,r3,HID1_RFXE@h + mtspr SPRN_HID1,r3 +#endif + mtlr r4 + blr +_GLOBAL(__setup_cpu_e500mc) + mflr r4 + bl __e500_icache_setup + bl __e500_dcache_setup + bl __setup_e500mc_ivors + mtlr r4 + blr +#endif +/* Right now, restore and setup are the same thing */ +_GLOBAL(__restore_cpu_e5500) +_GLOBAL(__setup_cpu_e5500) + mflr r4 + bl __e500_icache_setup + bl __e500_dcache_setup +#ifdef CONFIG_PPC_BOOK3E_64 + bl .__setup_base_ivors + bl .setup_perfmon_ivor + bl .setup_doorbell_ivors + bl .setup_ehv_ivors +#else + bl __setup_e500mc_ivors +#endif + mtlr r4 + blr -- cgit