diff options
| author | Kumar Gala <galak@kernel.crashing.org> | 2011-10-07 05:13:05 (GMT) |
|---|---|---|
| committer | Fleming Andrew-AFLEMING <AFLEMING@freescale.com> | 2013-04-19 19:57:52 (GMT) |
| commit | 6c53cea1d6b8be0d68e10ac1fb7bd1383da24c40 (patch) | |
| tree | 93329c75aab0870e16727d85426eb685d304fa33 /arch/powerpc/kernel/head_fsl_booke.S | |
| parent | cb06e9191a42ce2506be575410ab9cbdbe074f1d (diff) | |
| download | linux-fsl-qoriq-6c53cea1d6b8be0d68e10ac1fb7bd1383da24c40.tar.xz | |
Add Freescale CodeWarrior support for kernel
Linux kernel on 85xx platform.
ppc: IPROT needs bo be cleared to boot up Linux when enabling CW debug
when CodeWarrior debug is enabled, PROT needs bo be
cleared to boot up Linux.
Signed-off-by: Bogdan Adrin <drian.bogdan@freescale.com>
Signed-off-by: Roy Zang <tie-fei.zang@freescale.com>
Conflicts:
arch/powerpc/Kconfig.debug
Change-Id: Ia86a8b5e064eb52c70d5a7247fad7f025c2bc1d3
Reviewed-on: http://git.am.freescale.net:8181/1621
Reviewed-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
Tested-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
Diffstat (limited to 'arch/powerpc/kernel/head_fsl_booke.S')
| -rw-r--r-- | arch/powerpc/kernel/head_fsl_booke.S | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S index 987a3f1..1206f0b 100644 --- a/arch/powerpc/kernel/head_fsl_booke.S +++ b/arch/powerpc/kernel/head_fsl_booke.S @@ -21,7 +21,7 @@ * debbie_chu@mvista.com * Copyright 2002-2004 MontaVista Software, Inc. * PowerPC 44x support, Matt Porter <mporter@kernel.crashing.org> - * Copyright 2004 Freescale Semiconductor, Inc + * Copyright 2004,2010 Freescale Semiconductor, Inc * PowerPC e500 modifications, Kumar Gala <galak@kernel.crashing.org> * * This program is free software; you can redistribute it and/or modify it @@ -149,7 +149,7 @@ _ENTRY(__early_start) mtspr SPRN_HID0, r2 #endif -#if !defined(CONFIG_BDI_SWITCH) +#if !defined(CONFIG_BDI_SWITCH) && !defined(CONFIG_DEBUG_CW) /* * The Abatron BDI JTAG debugger does not tolerate others * mucking with the debug registers. @@ -211,6 +211,13 @@ _ENTRY(__early_start) /* * Decide what sort of machine this is and initialize the MMU. */ +#if defined(CONFIG_DEBUG_CW) + lis r10, 0x1008 /* clear the V bit from the L2MMU_CAM8 register */ + mtspr SPRN_MAS0, r10 + lis r10, 0x0 + mtspr SPRN_MAS1, r10 + tlbwe +#endif mr r3,r30 mr r4,r31 bl machine_init |