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Diffstat (limited to 'arch/ppc64/kernel/pSeries_setup.c')
-rw-r--r--arch/ppc64/kernel/pSeries_setup.c188
1 files changed, 9 insertions, 179 deletions
diff --git a/arch/ppc64/kernel/pSeries_setup.c b/arch/ppc64/kernel/pSeries_setup.c
index 6c0d1d58a552..44d9af72d225 100644
--- a/arch/ppc64/kernel/pSeries_setup.c
+++ b/arch/ppc64/kernel/pSeries_setup.c
@@ -71,11 +71,6 @@
#define DBG(fmt...)
#endif
-extern void pSeries_final_fixup(void);
-
-extern void pSeries_get_boot_time(struct rtc_time *rtc_time);
-extern void pSeries_get_rtc_time(struct rtc_time *rtc_time);
-extern int pSeries_set_rtc_time(struct rtc_time *rtc_time);
extern void find_udbg_vterm(void);
extern void system_reset_fwnmi(void); /* from head.S */
extern void machine_check_fwnmi(void); /* from head.S */
@@ -84,9 +79,6 @@ extern void generic_find_legacy_serial_ports(u64 *physport,
int fwnmi_active; /* TRUE if an FWNMI handler is present */
-extern unsigned long ppc_proc_freq;
-extern unsigned long ppc_tb_freq;
-
extern void pSeries_system_reset_exception(struct pt_regs *regs);
extern int pSeries_machine_check_exception(struct pt_regs *regs);
@@ -195,14 +187,16 @@ static void __init pSeries_setup_arch(void)
{
/* Fixup ppc_md depending on the type of interrupt controller */
if (ppc64_interrupt_controller == IC_OPEN_PIC) {
- ppc_md.init_IRQ = pSeries_init_mpic;
+ ppc_md.init_IRQ = pSeries_init_mpic;
ppc_md.get_irq = mpic_get_irq;
+ ppc_md.cpu_irq_down = mpic_teardown_this_cpu;
/* Allocate the mpic now, so that find_and_init_phbs() can
* fill the ISUs */
pSeries_setup_mpic();
} else {
ppc_md.init_IRQ = xics_init_IRQ;
ppc_md.get_irq = xics_get_irq;
+ ppc_md.cpu_irq_down = xics_teardown_cpu;
}
#ifdef CONFIG_SMP
@@ -381,171 +375,6 @@ static void __init pSeries_init_early(void)
}
-static void pSeries_progress(char *s, unsigned short hex)
-{
- struct device_node *root;
- int width, *p;
- char *os;
- static int display_character, set_indicator;
- static int max_width;
- static DEFINE_SPINLOCK(progress_lock);
- static int pending_newline = 0; /* did last write end with unprinted newline? */
-
- if (!rtas.base)
- return;
-
- if (max_width == 0) {
- if ((root = find_path_device("/rtas")) &&
- (p = (unsigned int *)get_property(root,
- "ibm,display-line-length",
- NULL)))
- max_width = *p;
- else
- max_width = 0x10;
- display_character = rtas_token("display-character");
- set_indicator = rtas_token("set-indicator");
- }
-
- if (display_character == RTAS_UNKNOWN_SERVICE) {
- /* use hex display if available */
- if (set_indicator != RTAS_UNKNOWN_SERVICE)
- rtas_call(set_indicator, 3, 1, NULL, 6, 0, hex);
- return;
- }
-
- spin_lock(&progress_lock);
-
- /*
- * Last write ended with newline, but we didn't print it since
- * it would just clear the bottom line of output. Print it now
- * instead.
- *
- * If no newline is pending, print a CR to start output at the
- * beginning of the line.
- */
- if (pending_newline) {
- rtas_call(display_character, 1, 1, NULL, '\r');
- rtas_call(display_character, 1, 1, NULL, '\n');
- pending_newline = 0;
- } else {
- rtas_call(display_character, 1, 1, NULL, '\r');
- }
-
- width = max_width;
- os = s;
- while (*os) {
- if (*os == '\n' || *os == '\r') {
- /* Blank to end of line. */
- while (width-- > 0)
- rtas_call(display_character, 1, 1, NULL, ' ');
-
- /* If newline is the last character, save it
- * until next call to avoid bumping up the
- * display output.
- */
- if (*os == '\n' && !os[1]) {
- pending_newline = 1;
- spin_unlock(&progress_lock);
- return;
- }
-
- /* RTAS wants CR-LF, not just LF */
-
- if (*os == '\n') {
- rtas_call(display_character, 1, 1, NULL, '\r');
- rtas_call(display_character, 1, 1, NULL, '\n');
- } else {
- /* CR might be used to re-draw a line, so we'll
- * leave it alone and not add LF.
- */
- rtas_call(display_character, 1, 1, NULL, *os);
- }
-
- width = max_width;
- } else {
- width--;
- rtas_call(display_character, 1, 1, NULL, *os);
- }
-
- os++;
-
- /* if we overwrite the screen length */
- if (width <= 0)
- while ((*os != 0) && (*os != '\n') && (*os != '\r'))
- os++;
- }
-
- /* Blank to end of line. */
- while (width-- > 0)
- rtas_call(display_character, 1, 1, NULL, ' ');
-
- spin_unlock(&progress_lock);
-}
-
-extern void setup_default_decr(void);
-
-/* Some sane defaults: 125 MHz timebase, 1GHz processor */
-#define DEFAULT_TB_FREQ 125000000UL
-#define DEFAULT_PROC_FREQ (DEFAULT_TB_FREQ * 8)
-
-static void __init pSeries_calibrate_decr(void)
-{
- struct device_node *cpu;
- struct div_result divres;
- unsigned int *fp;
- int node_found;
-
- /*
- * The cpu node should have a timebase-frequency property
- * to tell us the rate at which the decrementer counts.
- */
- cpu = of_find_node_by_type(NULL, "cpu");
-
- ppc_tb_freq = DEFAULT_TB_FREQ; /* hardcoded default */
- node_found = 0;
- if (cpu != 0) {
- fp = (unsigned int *)get_property(cpu, "timebase-frequency",
- NULL);
- if (fp != 0) {
- node_found = 1;
- ppc_tb_freq = *fp;
- }
- }
- if (!node_found)
- printk(KERN_ERR "WARNING: Estimating decrementer frequency "
- "(not found)\n");
-
- ppc_proc_freq = DEFAULT_PROC_FREQ;
- node_found = 0;
- if (cpu != 0) {
- fp = (unsigned int *)get_property(cpu, "clock-frequency",
- NULL);
- if (fp != 0) {
- node_found = 1;
- ppc_proc_freq = *fp;
- }
- }
- if (!node_found)
- printk(KERN_ERR "WARNING: Estimating processor frequency "
- "(not found)\n");
-
- of_node_put(cpu);
-
- printk(KERN_INFO "time_init: decrementer frequency = %lu.%.6lu MHz\n",
- ppc_tb_freq/1000000, ppc_tb_freq%1000000);
- printk(KERN_INFO "time_init: processor frequency = %lu.%.6lu MHz\n",
- ppc_proc_freq/1000000, ppc_proc_freq%1000000);
-
- tb_ticks_per_jiffy = ppc_tb_freq / HZ;
- tb_ticks_per_sec = tb_ticks_per_jiffy * HZ;
- tb_ticks_per_usec = ppc_tb_freq / 1000000;
- tb_to_us = mulhwu_scale_factor(ppc_tb_freq, 1000000);
- div128_by_32(1024*1024, 0, tb_ticks_per_sec, &divres);
- tb_to_xs = divres.result_low;
-
- setup_default_decr();
-}
-
static int pSeries_check_legacy_ioport(unsigned int baseport)
{
struct device_node *np;
@@ -596,16 +425,17 @@ struct machdep_calls __initdata pSeries_md = {
.get_cpuinfo = pSeries_get_cpuinfo,
.log_error = pSeries_log_error,
.pcibios_fixup = pSeries_final_fixup,
+ .irq_bus_setup = pSeries_irq_bus_setup,
.restart = rtas_restart,
.power_off = rtas_power_off,
.halt = rtas_halt,
.panic = rtas_os_term,
.cpu_die = pSeries_mach_cpu_die,
- .get_boot_time = pSeries_get_boot_time,
- .get_rtc_time = pSeries_get_rtc_time,
- .set_rtc_time = pSeries_set_rtc_time,
- .calibrate_decr = pSeries_calibrate_decr,
- .progress = pSeries_progress,
+ .get_boot_time = rtas_get_boot_time,
+ .get_rtc_time = rtas_get_rtc_time,
+ .set_rtc_time = rtas_set_rtc_time,
+ .calibrate_decr = generic_calibrate_decr,
+ .progress = rtas_progress,
.check_legacy_ioport = pSeries_check_legacy_ioport,
.system_reset_exception = pSeries_system_reset_exception,
.machine_check_exception = pSeries_machine_check_exception,
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-18 15:37:24 +0100