diff options
Diffstat (limited to 'arch/mips/mti-malta/malta-setup.c')
| -rw-r--r-- | arch/mips/mti-malta/malta-setup.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/arch/mips/mti-malta/malta-setup.c b/arch/mips/mti-malta/malta-setup.c index ec5b21678fad..a01d5debfcaf 100644 --- a/arch/mips/mti-malta/malta-setup.c +++ b/arch/mips/mti-malta/malta-setup.c @@ -39,8 +39,8 @@ #include <linux/console.h> #endif -extern void malta_be_init(void); -extern int malta_be_handler(struct pt_regs *regs, int is_fixup); +#define ROCIT_CONFIG_GEN0 0x1f403000 +#define ROCIT_CONFIG_GEN0_PCI_IOCU BIT(7) static struct resource standard_io_resources[] = { { @@ -107,6 +107,8 @@ static void __init fd_activate(void) static int __init plat_enable_iocoherency(void) { int supported = 0; + u32 cfg; + if (mips_revision_sconid == MIPS_REVISION_SCON_BONITO) { if (BONITO_PCICACHECTRL & BONITO_PCICACHECTRL_CPUCOH_PRES) { BONITO_PCICACHECTRL |= BONITO_PCICACHECTRL_CPUCOH_EN; @@ -129,7 +131,8 @@ static int __init plat_enable_iocoherency(void) } else if (mips_cm_numiocu() != 0) { /* Nothing special needs to be done to enable coherency */ pr_info("CMP IOCU detected\n"); - if ((*(unsigned int *)0xbf403000 & 0x81) != 0x81) { + cfg = __raw_readl((u32 *)CKSEG1ADDR(ROCIT_CONFIG_GEN0)); + if (!(cfg & ROCIT_CONFIG_GEN0_PCI_IOCU)) { pr_crit("IOCU OPERATION DISABLED BY SWITCH - DEFAULTING TO SW IO COHERENCY\n"); return 0; } @@ -148,12 +151,12 @@ static void __init plat_setup_iocoherency(void) * coherency instead. */ if (plat_enable_iocoherency()) { - if (coherentio == 0) + if (coherentio == IO_COHERENCE_DISABLED) pr_info("Hardware DMA cache coherency disabled\n"); else pr_info("Hardware DMA cache coherency enabled\n"); } else { - if (coherentio == 1) + if (coherentio == IO_COHERENCE_ENABLED) pr_info("Hardware DMA cache coherency unsupported, but enabled from command line!\n"); else pr_info("Software DMA cache coherency enabled\n"); @@ -295,7 +298,4 @@ void __init plat_mem_setup(void) #if defined(CONFIG_VT) && defined(CONFIG_VGA_CONSOLE) screen_info_setup(); #endif - - board_be_init = malta_be_init; - board_be_handler = malta_be_handler; } |