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Diffstat (limited to 'arch/powerpc/platforms/iseries/setup.c')
-rw-r--r--arch/powerpc/platforms/iseries/setup.c51
1 files changed, 17 insertions, 34 deletions
diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c
index 6f73469fd3b0..cce7e309340c 100644
--- a/arch/powerpc/platforms/iseries/setup.c
+++ b/arch/powerpc/platforms/iseries/setup.c
@@ -21,7 +21,6 @@
#include <linux/smp.h>
#include <linux/param.h>
#include <linux/string.h>
-#include <linux/initrd.h>
#include <linux/seq_file.h>
#include <linux/kdev_t.h>
#include <linux/major.h>
@@ -80,8 +79,6 @@ extern void iSeries_pci_final_fixup(void);
static void iSeries_pci_final_fixup(void) { }
#endif
-extern int rd_size; /* Defined in drivers/block/rd.c */
-
extern unsigned long iSeries_recal_tb;
extern unsigned long iSeries_recal_titan;
@@ -295,24 +292,6 @@ static void __init iSeries_init_early(void)
{
DBG(" -> iSeries_init_early()\n");
-#if defined(CONFIG_BLK_DEV_INITRD)
- /*
- * If the init RAM disk has been configured and there is
- * a non-zero starting address for it, set it up
- */
- if (naca.xRamDisk) {
- initrd_start = (unsigned long)__va(naca.xRamDisk);
- initrd_end = initrd_start + naca.xRamDiskSize * HW_PAGE_SIZE;
- initrd_below_start_ok = 1; // ramdisk in kernel space
- ROOT_DEV = Root_RAM0;
- if (((rd_size * 1024) / HW_PAGE_SIZE) < naca.xRamDiskSize)
- rd_size = (naca.xRamDiskSize * HW_PAGE_SIZE) / 1024;
- } else
-#endif /* CONFIG_BLK_DEV_INITRD */
- {
- /* ROOT_DEV = MKDEV(VIODASD_MAJOR, 1); */
- }
-
iSeries_recal_tb = get_tb();
iSeries_recal_titan = HvCallXm_loadTod();
@@ -331,17 +310,6 @@ static void __init iSeries_init_early(void)
mf_init();
- /* If we were passed an initrd, set the ROOT_DEV properly if the values
- * look sensible. If not, clear initrd reference.
- */
-#ifdef CONFIG_BLK_DEV_INITRD
- if (initrd_start >= KERNELBASE && initrd_end >= KERNELBASE &&
- initrd_end > initrd_start)
- ROOT_DEV = Root_RAM0;
- else
- initrd_start = initrd_end = 0;
-#endif /* CONFIG_BLK_DEV_INITRD */
-
DBG(" <- iSeries_init_early()\n");
}
@@ -559,7 +527,8 @@ static void __init iSeries_fixup_klimit(void)
static int __init iSeries_src_init(void)
{
/* clear the progress line */
- ppc_md.progress(" ", 0xffff);
+ if (firmware_has_feature(FW_FEATURE_ISERIES))
+ ppc_md.progress(" ", 0xffff);
return 0;
}
@@ -649,6 +618,16 @@ static void iseries_dedicated_idle(void)
void __init iSeries_init_IRQ(void) { }
#endif
+static void __iomem *iseries_ioremap(phys_addr_t address, unsigned long size,
+ unsigned long flags)
+{
+ return (void __iomem *)address;
+}
+
+static void iseries_iounmap(volatile void __iomem *token)
+{
+}
+
/*
* iSeries has no legacy IO, anything calling this function has to
* fail or bad things will happen
@@ -665,6 +644,8 @@ static int __init iseries_probe(void)
return 0;
hpte_init_iSeries();
+ /* iSeries does not support 16M pages */
+ cur_cpu_spec->cpu_features &= ~CPU_FTR_16M_PAGE;
return 1;
}
@@ -687,6 +668,8 @@ define_machine(iseries) {
.progress = iSeries_progress,
.probe = iseries_probe,
.check_legacy_ioport = iseries_check_legacy_ioport,
+ .ioremap = iseries_ioremap,
+ .iounmap = iseries_iounmap,
/* XXX Implement enable_pmcs for iSeries */
};
@@ -697,7 +680,7 @@ void * __init iSeries_early_setup(void)
/* Identify CPU type. This is done again by the common code later
* on but calling this function multiple times is fine.
*/
- identify_cpu(0);
+ identify_cpu(0, mfspr(SPRN_PVR));
powerpc_firmware_features |= FW_FEATURE_ISERIES;
powerpc_firmware_features |= FW_FEATURE_LPAR;