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MIPS: kernel: traps: Add MIPS R6 related definitions 

Add MIPS R6 support to cache and ftlb exceptions, as well as
to the hwrena and ebase register configuration.

Signed-off-by: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
hifive-unleashed-5.1
Leonid Yegoshin 2014-11-14 11:25:30 +00:00 committed by Markos Chandras
parent 515a6393db
commit 9c7d576868
1 changed files with 5 additions and 5 deletions
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10
arch/mips/kernel/traps.c
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@ -1649,7 +1649,7 @@ asmlinkage void cache_parity_error(void)
printk("Decoded c0_cacheerr: %s cache fault in %s reference.\n",
reg_val & (1<<30) ? "secondary" : "primary",
reg_val & (1<<31) ? "data" : "insn");
if (cpu_has_mips_r2 &&
if ((cpu_has_mips_r2_r6) &&
((current_cpu_data.processor_id & 0xff0000) == PRID_COMP_MIPS)) {
pr_err("Error bits: %s%s%s%s%s%s%s%s\n",
reg_val & (1<<29) ? "ED " : "",
@ -1689,7 +1689,7 @@ asmlinkage void do_ftlb(void)
unsigned int reg_val;
/* For the moment, report the problem and hang. */
if (cpu_has_mips_r2 &&
if ((cpu_has_mips_r2_r6) &&
((current_cpu_data.processor_id & 0xff0000) == PRID_COMP_MIPS)) {
pr_err("FTLB error exception, cp0_ecc=0x%08x:\n",
read_c0_ecc());
@ -1978,7 +1978,7 @@ static void configure_hwrena(void)
{
unsigned int hwrena = cpu_hwrena_impl_bits;
if (cpu_has_mips_r2)
if (cpu_has_mips_r2_r6)
hwrena |= 0x0000000f;
if (!noulri && cpu_has_userlocal)
@ -2022,7 +2022,7 @@ void per_cpu_trap_init(bool is_boot_cpu)
* o read IntCtl.IPTI to determine the timer interrupt
* o read IntCtl.IPPCI to determine the performance counter interrupt
*/
if (cpu_has_mips_r2) {
if (cpu_has_mips_r2_r6) {
cp0_compare_irq_shift = CAUSEB_TI - CAUSEB_IP;
cp0_compare_irq = (read_c0_intctl() >> INTCTLB_IPTI) & 7;
cp0_perfcount_irq = (read_c0_intctl() >> INTCTLB_IPPCI) & 7;
@ -2113,7 +2113,7 @@ void __init trap_init(void)
#else
ebase = CKSEG0;
#endif
if (cpu_has_mips_r2)
if (cpu_has_mips_r2_r6)
ebase += (read_c0_ebase() & 0x3ffff000);
}