diff options
Diffstat (limited to 'arch/powerpc/platforms/chrp/setup.c')
| -rw-r--r-- | arch/powerpc/platforms/chrp/setup.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c index 9c08ff3222900..be39742db809b 100644 --- a/arch/powerpc/platforms/chrp/setup.c +++ b/arch/powerpc/platforms/chrp/setup.c @@ -74,6 +74,9 @@ extern irqreturn_t xmon_irq(int, void *, struct pt_regs *); extern unsigned long loops_per_jiffy; +/* To be replaced by RTAS when available */ +static unsigned int *briq_SPOR; + #ifdef CONFIG_SMP extern struct smp_ops_t chrp_smp_ops; #endif @@ -92,6 +95,15 @@ static const char *gg2_cachemodes[4] = { "Disabled", "Write-Through", "Copy-Back", "Transparent Mode" }; +static const char *chrp_names[] = { + "Unknown", + "","","", + "Motorola", + "IBM or Longtrail", + "Genesi Pegasos", + "Total Impact Briq" +}; + void chrp_show_cpuinfo(struct seq_file *m) { int i, sdramen; @@ -229,6 +241,14 @@ static void __init pegasos_set_l2cr(void) } } +static void briq_restart(char *cmd) +{ + local_irq_disable(); + if (briq_SPOR) + out_be32(briq_SPOR, 0); + for(;;); +} + void __init chrp_setup_arch(void) { struct device_node *root = find_path_device ("/"); @@ -245,11 +265,16 @@ void __init chrp_setup_arch(void) _chrp_type = _CHRP_IBM; } else if (machine && strncmp(machine, "MOT", 3) == 0) { _chrp_type = _CHRP_Motorola; + } else if (machine && strncmp(machine, "TotalImpact,BRIQ-1", 18) == 0) { + _chrp_type = _CHRP_briq; + /* Map the SPOR register on briq and change the restart hook */ + briq_SPOR = (unsigned int *)ioremap(0xff0000e8, 4); + ppc_md.restart = briq_restart; } else { /* Let's assume it is an IBM chrp if all else fails */ _chrp_type = _CHRP_IBM; } - printk("chrp type = %x\n", _chrp_type); + printk("chrp type = %x [%s]\n", _chrp_type, chrp_names[_chrp_type]); rtas_initialize(); if (rtas_token("display-character") >= 0) |