diff options
Diffstat (limited to 'arch/mips/mti-malta/malta-setup.c')
| -rw-r--r-- | arch/mips/mti-malta/malta-setup.c | 39 |
1 files changed, 1 insertions, 38 deletions
diff --git a/arch/mips/mti-malta/malta-setup.c b/arch/mips/mti-malta/malta-setup.c index 7b63914d2e58..5d4c5e5fbd69 100644 --- a/arch/mips/mti-malta/malta-setup.c +++ b/arch/mips/mti-malta/malta-setup.c @@ -26,6 +26,7 @@ #include <linux/screen_info.h> #include <linux/time.h> +#include <asm/dma-coherence.h> #include <asm/fw/fw.h> #include <asm/mach-malta/malta-dtshim.h> #include <asm/mips-cps.h> @@ -144,12 +145,6 @@ static int __init plat_enable_iocoherency(void) static void __init plat_setup_iocoherency(void) { -#ifdef CONFIG_DMA_NONCOHERENT - /* - * Kernel has been configured with software coherency - * but we might choose to turn it off and use hardware - * coherency instead. - */ if (plat_enable_iocoherency()) { if (coherentio == IO_COHERENCE_DISABLED) pr_info("Hardware DMA cache coherency disabled\n"); @@ -161,10 +156,6 @@ static void __init plat_setup_iocoherency(void) else pr_info("Software DMA cache coherency enabled\n"); } -#else - if (!plat_enable_iocoherency()) - panic("Hardware DMA cache coherency not supported!"); -#endif } static void __init pci_clock_check(void) @@ -226,29 +217,6 @@ static void __init bonito_quirks_setup(void) pr_info("Enabled Bonito debug mode\n"); } else BONITO_BONGENCFG &= ~BONITO_BONGENCFG_DEBUGMODE; - -#ifdef CONFIG_DMA_COHERENT - if (BONITO_PCICACHECTRL & BONITO_PCICACHECTRL_CPUCOH_PRES) { - BONITO_PCICACHECTRL |= BONITO_PCICACHECTRL_CPUCOH_EN; - pr_info("Enabled Bonito CPU coherency\n"); - - argptr = fw_getcmdline(); - if (strstr(argptr, "iobcuncached")) { - BONITO_PCICACHECTRL &= ~BONITO_PCICACHECTRL_IOBCCOH_EN; - BONITO_PCIMEMBASECFG = BONITO_PCIMEMBASECFG & - ~(BONITO_PCIMEMBASECFG_MEMBASE0_CACHED | - BONITO_PCIMEMBASECFG_MEMBASE1_CACHED); - pr_info("Disabled Bonito IOBC coherency\n"); - } else { - BONITO_PCICACHECTRL |= BONITO_PCICACHECTRL_IOBCCOH_EN; - BONITO_PCIMEMBASECFG |= - (BONITO_PCIMEMBASECFG_MEMBASE0_CACHED | - BONITO_PCIMEMBASECFG_MEMBASE1_CACHED); - pr_info("Enabled Bonito IOBC coherency\n"); - } - } else - panic("Hardware DMA cache coherency not supported"); -#endif } void __init *plat_get_fdt(void) @@ -279,11 +247,6 @@ void __init plat_mem_setup(void) */ enable_dma(4); -#ifdef CONFIG_DMA_COHERENT - if (mips_revision_sconid != MIPS_REVISION_SCON_BONITO) - panic("Hardware DMA cache coherency not supported"); -#endif - if (mips_revision_sconid == MIPS_REVISION_SCON_BONITO) bonito_quirks_setup(); |