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-rw-r--r--arch/mips/mti-malta/malta-dtshim.c4
-rw-r--r--arch/mips/mti-malta/malta-memory.c2
-rw-r--r--arch/mips/mti-malta/malta-setup.c10
3 files changed, 11 insertions, 5 deletions
diff --git a/arch/mips/mti-malta/malta-dtshim.c b/arch/mips/mti-malta/malta-dtshim.c
index f7133efc5..151f4882e 100644
--- a/arch/mips/mti-malta/malta-dtshim.c
+++ b/arch/mips/mti-malta/malta-dtshim.c
@@ -31,7 +31,7 @@ static unsigned __init gen_fdt_mem_array(__be32 *mem_array, unsigned long size)
entries = 1;
mem_array[0] = cpu_to_be32(PHYS_OFFSET);
- if (config_enabled(CONFIG_EVA)) {
+ if (IS_ENABLED(CONFIG_EVA)) {
/*
* The current Malta EVA configuration is "special" in that it
* always makes use of addresses in the upper half of the 32 bit
@@ -82,7 +82,7 @@ static void __init append_memory(void *fdt, int root_off)
physical_memsize = 32 << 20;
}
- if (config_enabled(CONFIG_CPU_BIG_ENDIAN)) {
+ if (IS_ENABLED(CONFIG_CPU_BIG_ENDIAN)) {
/*
* SOC-it swaps, or perhaps doesn't swap, when DMA'ing
* the last word of physical memory.
diff --git a/arch/mips/mti-malta/malta-memory.c b/arch/mips/mti-malta/malta-memory.c
index d5f8dae6a..a47556723 100644
--- a/arch/mips/mti-malta/malta-memory.c
+++ b/arch/mips/mti-malta/malta-memory.c
@@ -32,7 +32,7 @@ static void free_init_pages_eva_malta(void *begin, void *end)
void __init fw_meminit(void)
{
- bool eva = config_enabled(CONFIG_EVA);
+ bool eva = IS_ENABLED(CONFIG_EVA);
free_init_pages_eva = eva ? free_init_pages_eva_malta : NULL;
}
diff --git a/arch/mips/mti-malta/malta-setup.c b/arch/mips/mti-malta/malta-setup.c
index 33d5ff506..7e7364b05 100644
--- a/arch/mips/mti-malta/malta-setup.c
+++ b/arch/mips/mti-malta/malta-setup.c
@@ -39,6 +39,9 @@
#include <linux/console.h>
#endif
+#define ROCIT_CONFIG_GEN0 0x1f403000
+#define ROCIT_CONFIG_GEN0_PCI_IOCU BIT(7)
+
extern void malta_be_init(void);
extern int malta_be_handler(struct pt_regs *regs, int is_fixup);
@@ -107,6 +110,8 @@ 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 +134,8 @@ 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;
}
@@ -261,7 +267,7 @@ void __init plat_mem_setup(void)
fdt = malta_dt_shim(fdt);
__dt_setup_arch(fdt);
- if (config_enabled(CONFIG_EVA))
+ if (IS_ENABLED(CONFIG_EVA))
/* EVA has already been configured in mach-malta/kernel-init.h */
pr_info("Enhanced Virtual Addressing (EVA) activated\n");