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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2010-02-28 23:55:20 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2010-02-28 23:55:20 -0800 |
| commit | 35858adbfca13678af99fb31618ef4428d6dedb0 (patch) | |
| tree | 3336feaa61324486945816cb52c347733e7c0821 /arch/powerpc/kernel/head_32.S | |
| parent | 197d4db752e67160d79fed09968c2140376a80a3 (diff) | |
| parent | 4b70858ba8d4537daf782defebe5f2ff80ccef2b (diff) | |
Merge branch 'next' into for-linus
Diffstat (limited to 'arch/powerpc/kernel/head_32.S')
| -rw-r--r-- | arch/powerpc/kernel/head_32.S | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S index 829c3fe7c5a2..e025e89fe93e 100644 --- a/arch/powerpc/kernel/head_32.S +++ b/arch/powerpc/kernel/head_32.S @@ -164,6 +164,9 @@ __after_mmu_off: #ifdef CONFIG_PPC_EARLY_DEBUG_CPM bl setup_cpm_bat #endif +#ifdef CONFIG_PPC_EARLY_DEBUG_USBGECKO + bl setup_usbgecko_bat +#endif /* * Call setup_cpu for CPU 0 and initialize 6xx Idle @@ -1203,6 +1206,28 @@ setup_cpm_bat: blr #endif +#ifdef CONFIG_PPC_EARLY_DEBUG_USBGECKO +setup_usbgecko_bat: + /* prepare a BAT for early io */ +#if defined(CONFIG_GAMECUBE) + lis r8, 0x0c00 +#elif defined(CONFIG_WII) + lis r8, 0x0d00 +#else +#error Invalid platform for USB Gecko based early debugging. +#endif + /* + * The virtual address used must match the virtual address + * associated to the fixmap entry FIX_EARLY_DEBUG_BASE. + */ + lis r11, 0xfffe /* top 128K */ + ori r8, r8, 0x002a /* uncached, guarded ,rw */ + ori r11, r11, 0x2 /* 128K, Vs=1, Vp=0 */ + mtspr SPRN_DBAT1L, r8 + mtspr SPRN_DBAT1U, r11 + blr +#endif + #ifdef CONFIG_8260 /* Jump into the system reset for the rom. * We first disable the MMU, and then jump to the ROM reset address. |