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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-05 16:03:46 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-05 16:03:46 (GMT)
commitcdd854bc42b5e6c79bbbc40c6600d995ffe6e747 (patch)
tree18c4dcc07bbb8aeb2b23bc812cd60cc293f36cd8 /arch/powerpc/platforms
parentbbc4fd12a635492ad9d12bb418124fa2d5f0d734 (diff)
parent42a0ae2282b512d1a8f6f020327f5f7b8f31a5ea (diff)
downloadlinux-fsl-qoriq-cdd854bc42b5e6c79bbbc40c6600d995ffe6e747.tar.xz
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (79 commits) powerpc/8xx: Add support for the MPC8xx based boards from TQC powerpc/85xx: Introduce support for the Freescale P1022DS reference board powerpc/85xx: Adding DTS for the STx GP3-SSA MPC8555 board powerpc/85xx: Change deprecated binding for 85xx-based boards powerpc/tqm85xx: add a quirk for ti1520 PCMCIA bridge powerpc/tqm85xx: update PCI interrupt-map attribute powerpc/mpc8308rdb: support for MPC8308RDB board from Freescale powerpc/fsl_pci: add quirk for mpc8308 pcie bridge powerpc/85xx: Cleanup QE initialization for MPC85xxMDS boards powerpc/85xx: Fix booting for P1021MDS boards powerpc/85xx: Fix SWIOTLB initalization for MPC85xxMDS boards powerpc/85xx: kexec for SMP 85xx BookE systems powerpc/5200/i2c: improve i2c bus error recovery of/xilinxfb: update tft compatible versions powerpc/fsl-diu-fb: Support setting display mode using EDID powerpc/5121: doc/dts-bindings: update doc of FSL DIU bindings powerpc/5121: shared DIU framebuffer support powerpc/5121: move fsl-diu-fb.h to include/linux powerpc/5121: fsl-diu-fb: fix issue with re-enabling DIU area descriptor powerpc/512x: add clock structure for Video-IN (VIU) unit ...
Diffstat (limited to 'arch/powerpc/platforms')
-rw-r--r--arch/powerpc/platforms/40x/Kconfig16
-rw-r--r--arch/powerpc/platforms/512x/Kconfig20
-rw-r--r--arch/powerpc/platforms/512x/Makefile1
-rw-r--r--arch/powerpc/platforms/512x/clock.c18
-rw-r--r--arch/powerpc/platforms/512x/mpc5121_ads.c2
-rw-r--r--arch/powerpc/platforms/512x/mpc5121_generic.c2
-rw-r--r--arch/powerpc/platforms/512x/mpc512x.h2
-rw-r--r--arch/powerpc/platforms/512x/mpc512x_shared.c284
-rw-r--r--arch/powerpc/platforms/512x/pdm360ng.c129
-rw-r--r--arch/powerpc/platforms/52xx/lite5200_pm.c3
-rw-r--r--arch/powerpc/platforms/52xx/mpc52xx_pm.c3
-rw-r--r--arch/powerpc/platforms/83xx/Kconfig8
-rw-r--r--arch/powerpc/platforms/83xx/Makefile1
-rw-r--r--arch/powerpc/platforms/83xx/mpc830x_rdb.c94
-rw-r--r--arch/powerpc/platforms/85xx/Kconfig8
-rw-r--r--arch/powerpc/platforms/85xx/Makefile1
-rw-r--r--arch/powerpc/platforms/85xx/mpc85xx_mds.c279
-rw-r--r--arch/powerpc/platforms/85xx/p1022_ds.c148
-rw-r--r--arch/powerpc/platforms/85xx/smp.c67
-rw-r--r--arch/powerpc/platforms/85xx/tqm85xx.c21
-rw-r--r--arch/powerpc/platforms/8xx/Kconfig6
-rw-r--r--arch/powerpc/platforms/8xx/Makefile1
-rw-r--r--arch/powerpc/platforms/8xx/tqm8xx_setup.c156
-rw-r--r--arch/powerpc/platforms/iseries/vio.c3
-rw-r--r--arch/powerpc/platforms/powermac/cpufreq_32.c8
-rw-r--r--arch/powerpc/platforms/powermac/feature.c6
-rw-r--r--arch/powerpc/platforms/pseries/Makefile4
-rw-r--r--arch/powerpc/platforms/pseries/dlpar.c1
-rw-r--r--arch/powerpc/platforms/pseries/eeh_cache.c3
-rw-r--r--arch/powerpc/platforms/pseries/event_sources.c23
-rw-r--r--arch/powerpc/platforms/pseries/hotplug-cpu.c7
-rw-r--r--arch/powerpc/platforms/pseries/ras.c5
-rw-r--r--arch/powerpc/platforms/pseries/reconfig.c4
-rw-r--r--arch/powerpc/platforms/pseries/suspend.c214
-rw-r--r--arch/powerpc/platforms/pseries/xics.c2
35 files changed, 1376 insertions, 174 deletions
diff --git a/arch/powerpc/platforms/40x/Kconfig b/arch/powerpc/platforms/40x/Kconfig
index ec64264..b721764 100644
--- a/arch/powerpc/platforms/40x/Kconfig
+++ b/arch/powerpc/platforms/40x/Kconfig
@@ -71,22 +71,6 @@ config MAKALU
help
This option enables support for the AMCC PPC405EX board.
-#config REDWOOD_5
-# bool "Redwood-5"
-# depends on 40x
-# default n
-# select STB03xxx
-# help
-# This option enables support for the IBM STB04 evaluation board.
-
-#config REDWOOD_6
-# bool "Redwood-6"
-# depends on 40x
-# default n
-# select STB03xxx
-# help
-# This option enables support for the IBM STBx25xx evaluation board.
-
#config SYCAMORE
# bool "Sycamore"
# depends on 40x
diff --git a/arch/powerpc/platforms/512x/Kconfig b/arch/powerpc/platforms/512x/Kconfig
index 4dac9b0..27b0651 100644
--- a/arch/powerpc/platforms/512x/Kconfig
+++ b/arch/powerpc/platforms/512x/Kconfig
@@ -1,32 +1,34 @@
config PPC_MPC512x
- bool
+ bool "512x-based boards"
+ depends on 6xx
select FSL_SOC
select IPIC
select PPC_CLOCK
select PPC_PCI_CHOICE
select FSL_PCI if PCI
-config PPC_MPC5121
- bool
- select PPC_MPC512x
-
config MPC5121_ADS
bool "Freescale MPC5121E ADS"
- depends on 6xx
+ depends on PPC_MPC512x
select DEFAULT_UIMAGE
- select PPC_MPC5121
select MPC5121_ADS_CPLD
help
This option enables support for the MPC5121E ADS board.
config MPC5121_GENERIC
bool "Generic support for simple MPC5121 based boards"
- depends on 6xx
+ depends on PPC_MPC512x
select DEFAULT_UIMAGE
- select PPC_MPC5121
help
This option enables support for simple MPC5121 based boards
which do not need custom platform specific setup.
Compatible boards include: Protonic LVT base boards (ZANMCU
and VICVT2).
+
+config PDM360NG
+ bool "ifm PDM360NG board"
+ depends on PPC_MPC512x
+ select DEFAULT_UIMAGE
+ help
+ This option enables support for the PDM360NG board.
diff --git a/arch/powerpc/platforms/512x/Makefile b/arch/powerpc/platforms/512x/Makefile
index 90be2f5..4efc1c4 100644
--- a/arch/powerpc/platforms/512x/Makefile
+++ b/arch/powerpc/platforms/512x/Makefile
@@ -4,3 +4,4 @@
obj-y += clock.o mpc512x_shared.o
obj-$(CONFIG_MPC5121_ADS) += mpc5121_ads.o mpc5121_ads_cpld.o
obj-$(CONFIG_MPC5121_GENERIC) += mpc5121_generic.o
+obj-$(CONFIG_PDM360NG) += pdm360ng.o
diff --git a/arch/powerpc/platforms/512x/clock.c b/arch/powerpc/platforms/512x/clock.c
index 4c42246..e1c5cd6 100644
--- a/arch/powerpc/platforms/512x/clock.c
+++ b/arch/powerpc/platforms/512x/clock.c
@@ -292,6 +292,15 @@ static void diu_clk_calc(struct clk *clk)
clk->rate = rate;
}
+static void viu_clk_calc(struct clk *clk)
+{
+ unsigned long rate;
+
+ rate = sys_clk.rate;
+ rate /= 2;
+ clk->rate = rate;
+}
+
static void half_clk_calc(struct clk *clk)
{
clk->rate = clk->parent->rate / 2;
@@ -412,6 +421,14 @@ static struct clk diu_clk = {
.calc = diu_clk_calc,
};
+static struct clk viu_clk = {
+ .name = "viu_clk",
+ .flags = CLK_HAS_CTRL,
+ .reg = 1,
+ .bit = 18,
+ .calc = viu_clk_calc,
+};
+
static struct clk axe_clk = {
.name = "axe_clk",
.flags = CLK_HAS_CTRL,
@@ -535,6 +552,7 @@ struct clk *rate_clks[] = {
&ref_clk,
&sys_clk,
&diu_clk,
+ &viu_clk,
&csb_clk,
&e300_clk,
&ips_clk,
diff --git a/arch/powerpc/platforms/512x/mpc5121_ads.c b/arch/powerpc/platforms/512x/mpc5121_ads.c
index ee6ae12..dcef6ad 100644
--- a/arch/powerpc/platforms/512x/mpc5121_ads.c
+++ b/arch/powerpc/platforms/512x/mpc5121_ads.c
@@ -42,6 +42,7 @@ static void __init mpc5121_ads_setup_arch(void)
for_each_compatible_node(np, "pci", "fsl,mpc5121-pci")
mpc83xx_add_bridge(np);
#endif
+ mpc512x_setup_diu();
}
static void __init mpc5121_ads_init_IRQ(void)
@@ -65,6 +66,7 @@ define_machine(mpc5121_ads) {
.probe = mpc5121_ads_probe,
.setup_arch = mpc5121_ads_setup_arch,
.init = mpc512x_init,
+ .init_early = mpc512x_init_diu,
.init_IRQ = mpc5121_ads_init_IRQ,
.get_irq = ipic_get_irq,
.calibrate_decr = generic_calibrate_decr,
diff --git a/arch/powerpc/platforms/512x/mpc5121_generic.c b/arch/powerpc/platforms/512x/mpc5121_generic.c
index a6c0e3a..e487eb0 100644
--- a/arch/powerpc/platforms/512x/mpc5121_generic.c
+++ b/arch/powerpc/platforms/512x/mpc5121_generic.c
@@ -52,6 +52,8 @@ define_machine(mpc5121_generic) {
.name = "MPC5121 generic",
.probe = mpc5121_generic_probe,
.init = mpc512x_init,
+ .init_early = mpc512x_init_diu,
+ .setup_arch = mpc512x_setup_diu,
.init_IRQ = mpc512x_init_IRQ,
.get_irq = ipic_get_irq,
.calibrate_decr = generic_calibrate_decr,
diff --git a/arch/powerpc/platforms/512x/mpc512x.h b/arch/powerpc/platforms/512x/mpc512x.h
index b2daca0..1ab6d11 100644
--- a/arch/powerpc/platforms/512x/mpc512x.h
+++ b/arch/powerpc/platforms/512x/mpc512x.h
@@ -16,4 +16,6 @@ extern void __init mpc512x_init(void);
extern int __init mpc5121_clk_init(void);
void __init mpc512x_declare_of_platform_devices(void);
extern void mpc512x_restart(char *cmd);
+extern void mpc512x_init_diu(void);
+extern void mpc512x_setup_diu(void);
#endif /* __MPC512X_H__ */
diff --git a/arch/powerpc/platforms/512x/mpc512x_shared.c b/arch/powerpc/platforms/512x/mpc512x_shared.c
index 707e572..e41ebbd 100644
--- a/arch/powerpc/platforms/512x/mpc512x_shared.c
+++ b/arch/powerpc/platforms/512x/mpc512x_shared.c
@@ -16,7 +16,11 @@
#include <linux/io.h>
#include <linux/irq.h>
#include <linux/of_platform.h>
+#include <linux/fsl-diu-fb.h>
+#include <linux/bootmem.h>
+#include <sysdev/fsl_soc.h>
+#include <asm/cacheflush.h>
#include <asm/machdep.h>
#include <asm/ipic.h>
#include <asm/prom.h>
@@ -54,6 +58,286 @@ void mpc512x_restart(char *cmd)
;
}
+struct fsl_diu_shared_fb {
+ u8 gamma[0x300]; /* 32-bit aligned! */
+ struct diu_ad ad0; /* 32-bit aligned! */
+ phys_addr_t fb_phys;
+ size_t fb_len;
+ bool in_use;
+};
+
+unsigned int mpc512x_get_pixel_format(unsigned int bits_per_pixel,
+ int monitor_port)
+{
+ switch (bits_per_pixel) {
+ case 32:
+ return 0x88883316;
+ case 24:
+ return 0x88082219;
+ case 16:
+ return 0x65053118;
+ }
+ return 0x00000400;
+}
+
+void mpc512x_set_gamma_table(int monitor_port, char *gamma_table_base)
+{
+}
+
+void mpc512x_set_monitor_port(int monitor_port)
+{
+}
+
+#define DIU_DIV_MASK 0x000000ff
+void mpc512x_set_pixel_clock(unsigned int pixclock)
+{
+ unsigned long bestval, bestfreq, speed, busfreq;
+ unsigned long minpixclock, maxpixclock, pixval;
+ struct mpc512x_ccm __iomem *ccm;
+ struct device_node *np;
+ u32 temp;
+ long err;
+ int i;
+
+ np = of_find_compatible_node(NULL, NULL, "fsl,mpc5121-clock");
+ if (!np) {
+ pr_err("Can't find clock control module.\n");
+ return;
+ }
+
+ ccm = of_iomap(np, 0);
+ of_node_put(np);
+ if (!ccm) {
+ pr_err("Can't map clock control module reg.\n");
+ return;
+ }
+
+ np = of_find_node_by_type(NULL, "cpu");
+ if (np) {
+ const unsigned int *prop =
+ of_get_property(np, "bus-frequency", NULL);
+
+ of_node_put(np);
+ if (prop) {
+ busfreq = *prop;
+ } else {
+ pr_err("Can't get bus-frequency property\n");
+ return;
+ }
+ } else {
+ pr_err("Can't find 'cpu' node.\n");
+ return;
+ }
+
+ /* Pixel Clock configuration */
+ pr_debug("DIU: Bus Frequency = %lu\n", busfreq);
+ speed = busfreq * 4; /* DIU_DIV ratio is 4 * CSB_CLK / DIU_CLK */
+
+ /* Calculate the pixel clock with the smallest error */
+ /* calculate the following in steps to avoid overflow */
+ pr_debug("DIU pixclock in ps - %d\n", pixclock);
+ temp = (1000000000 / pixclock) * 1000;
+ pixclock = temp;
+ pr_debug("DIU pixclock freq - %u\n", pixclock);
+
+ temp = temp / 20; /* pixclock * 0.05 */
+ pr_debug("deviation = %d\n", temp);
+ minpixclock = pixclock - temp;
+ maxpixclock = pixclock + temp;
+ pr_debug("DIU minpixclock - %lu\n", minpixclock);
+ pr_debug("DIU maxpixclock - %lu\n", maxpixclock);
+ pixval = speed/pixclock;
+ pr_debug("DIU pixval = %lu\n", pixval);
+
+ err = LONG_MAX;
+ bestval = pixval;
+ pr_debug("DIU bestval = %lu\n", bestval);
+
+ bestfreq = 0;
+ for (i = -1; i <= 1; i++) {
+ temp = speed / (pixval+i);
+ pr_debug("DIU test pixval i=%d, pixval=%lu, temp freq. = %u\n",
+ i, pixval, temp);
+ if ((temp < minpixclock) || (temp > maxpixclock))
+ pr_debug("DIU exceeds monitor range (%lu to %lu)\n",
+ minpixclock, maxpixclock);
+ else if (abs(temp - pixclock) < err) {
+ pr_debug("Entered the else if block %d\n", i);
+ err = abs(temp - pixclock);
+ bestval = pixval + i;
+ bestfreq = temp;
+ }
+ }
+
+ pr_debug("DIU chose = %lx\n", bestval);
+ pr_debug("DIU error = %ld\n NomPixClk ", err);
+ pr_debug("DIU: Best Freq = %lx\n", bestfreq);
+ /* Modify DIU_DIV in CCM SCFR1 */
+ temp = in_be32(&ccm->scfr1);
+ pr_debug("DIU: Current value of SCFR1: 0x%08x\n", temp);
+ temp &= ~DIU_DIV_MASK;
+ temp |= (bestval & DIU_DIV_MASK);
+ out_be32(&ccm->scfr1, temp);
+ pr_debug("DIU: Modified value of SCFR1: 0x%08x\n", temp);
+ iounmap(ccm);
+}
+
+ssize_t mpc512x_show_monitor_port(int monitor_port, char *buf)
+{
+ return sprintf(buf, "0 - 5121 LCD\n");
+}
+
+int mpc512x_set_sysfs_monitor_port(int val)
+{
+ return 0;
+}
+
+static struct fsl_diu_shared_fb __attribute__ ((__aligned__(8))) diu_shared_fb;
+
+#if defined(CONFIG_FB_FSL_DIU) || \
+ defined(CONFIG_FB_FSL_DIU_MODULE)
+static inline void mpc512x_free_bootmem(struct page *page)
+{
+ __ClearPageReserved(page);
+ BUG_ON(PageTail(page));
+ BUG_ON(atomic_read(&page->_count) > 1);
+ atomic_set(&page->_count, 1);
+ __free_page(page);
+ totalram_pages++;
+}
+
+void mpc512x_release_bootmem(void)
+{
+ unsigned long addr = diu_shared_fb.fb_phys & PAGE_MASK;
+ unsigned long size = diu_shared_fb.fb_len;
+ unsigned long start, end;
+
+ if (diu_shared_fb.in_use) {
+ start = PFN_UP(addr);
+ end = PFN_DOWN(addr + size);
+
+ for (; start < end; start++)
+ mpc512x_free_bootmem(pfn_to_page(start));
+
+ diu_shared_fb.in_use = false;
+ }
+ diu_ops.release_bootmem = NULL;
+}
+#endif
+
+/*
+ * Check if DIU was pre-initialized. If so, perform steps
+ * needed to continue displaying through the whole boot process.
+ * Move area descriptor and gamma table elsewhere, they are
+ * destroyed by bootmem allocator otherwise. The frame buffer
+ * address range will be reserved in setup_arch() after bootmem
+ * allocator is up.
+ */
+void __init mpc512x_init_diu(void)
+{
+ struct device_node *np;
+ struct diu __iomem *diu_reg;
+ phys_addr_t desc;
+ void __iomem *vaddr;
+ unsigned long mode, pix_fmt, res, bpp;
+ unsigned long dst;
+
+ np = of_find_compatible_node(NULL, NULL, "fsl,mpc5121-diu");
+ if (!np) {
+ pr_err("No DIU node\n");
+ return;
+ }
+
+ diu_reg = of_iomap(np, 0);
+ of_node_put(np);
+ if (!diu_reg) {
+ pr_err("Can't map DIU\n");
+ return;
+ }
+
+ mode = in_be32(&diu_reg->diu_mode);
+ if (mode != MFB_MODE1) {
+ pr_info("%s: DIU OFF\n", __func__);
+ goto out;
+ }
+
+ desc = in_be32(&diu_reg->desc[0]);
+ vaddr = ioremap(desc, sizeof(struct diu_ad));
+ if (!vaddr) {
+ pr_err("Can't map DIU area desc.\n");
+ goto out;
+ }
+ memcpy(&diu_shared_fb.ad0, vaddr, sizeof(struct diu_ad));
+ /* flush fb area descriptor */
+ dst = (unsigned long)&diu_shared_fb.ad0;
+ flush_dcache_range(dst, dst + sizeof(struct diu_ad) - 1);
+
+ res = in_be32(&diu_reg->disp_size);
+ pix_fmt = in_le32(vaddr);
+ bpp = ((pix_fmt >> 16) & 0x3) + 1;
+ diu_shared_fb.fb_phys = in_le32(vaddr + 4);
+ diu_shared_fb.fb_len = ((res & 0xfff0000) >> 16) * (res & 0xfff) * bpp;
+ diu_shared_fb.in_use = true;
+ iounmap(vaddr);
+
+ desc = in_be32(&diu_reg->gamma);
+ vaddr = ioremap(desc, sizeof(diu_shared_fb.gamma));
+ if (!vaddr) {
+ pr_err("Can't map DIU area desc.\n");
+ diu_shared_fb.in_use = false;
+ goto out;
+ }
+ memcpy(&diu_shared_fb.gamma, vaddr, sizeof(diu_shared_fb.gamma));
+ /* flush gamma table */
+ dst = (unsigned long)&diu_shared_fb.gamma;
+ flush_dcache_range(dst, dst + sizeof(diu_shared_fb.gamma) - 1);
+
+ iounmap(vaddr);
+ out_be32(&diu_reg->gamma, virt_to_phys(&diu_shared_fb.gamma));
+ out_be32(&diu_reg->desc[1], 0);
+ out_be32(&diu_reg->desc[2], 0);
+ out_be32(&diu_reg->desc[0], virt_to_phys(&diu_shared_fb.ad0));
+
+out:
+ iounmap(diu_reg);
+}
+
+void __init mpc512x_setup_diu(void)
+{
+ int ret;
+
+ /*
+ * We do not allocate and configure new area for bitmap buffer
+ * because it would requere copying bitmap data (splash image)
+ * and so negatively affect boot time. Instead we reserve the
+ * already configured frame buffer area so that it won't be
+ * destroyed. The starting address of the area to reserve and
+ * also it's length is passed to reserve_bootmem(). It will be
+ * freed later on first open of fbdev, when splash image is not
+ * needed any more.
+ */
+ if (diu_shared_fb.in_use) {
+ ret = reserve_bootmem(diu_shared_fb.fb_phys,
+ diu_shared_fb.fb_len,
+ BOOTMEM_EXCLUSIVE);
+ if (ret) {
+ pr_err("%s: reserve bootmem failed\n", __func__);
+ diu_shared_fb.in_use = false;
+ }
+ }
+
+#if defined(CONFIG_FB_FSL_DIU) || \
+ defined(CONFIG_FB_FSL_DIU_MODULE)
+ diu_ops.get_pixel_format = mpc512x_get_pixel_format;
+ diu_ops.set_gamma_table = mpc512x_set_gamma_table;
+ diu_ops.set_monitor_port = mpc512x_set_monitor_port;
+ diu_ops.set_pixel_clock = mpc512x_set_pixel_clock;
+ diu_ops.show_monitor_port = mpc512x_show_monitor_port;
+ diu_ops.set_sysfs_monitor_port = mpc512x_set_sysfs_monitor_port;
+ diu_ops.release_bootmem = mpc512x_release_bootmem;
+#endif
+}
+
void __init mpc512x_init_IRQ(void)
{
struct device_node *np;
diff --git a/arch/powerpc/platforms/512x/pdm360ng.c b/arch/powerpc/platforms/512x/pdm360ng.c
new file mode 100644
index 0000000..0575e85
--- /dev/null
+++ b/arch/powerpc/platforms/512x/pdm360ng.c
@@ -0,0 +1,129 @@
+/*
+ * Copyright (C) 2010 DENX Software Engineering
+ *
+ * Anatolij Gustschin, <agust@denx.de>
+ *
+ * PDM360NG board setup
+ *
+ * This is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <linux/of_platform.h>
+
+#include <asm/machdep.h>
+#include <asm/ipic.h>
+
+#include "mpc512x.h"
+
+#if defined(CONFIG_TOUCHSCREEN_ADS7846) || \
+ defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
+#include <linux/interrupt.h>
+#include <linux/spi/ads7846.h>
+#include <linux/spi/spi.h>
+#include <linux/notifier.h>
+
+static void *pdm360ng_gpio_base;
+
+static int pdm360ng_get_pendown_state(void)
+{
+ u32 reg;
+
+ reg = in_be32(pdm360ng_gpio_base + 0xc);
+ if (reg & 0x40)
+ setbits32(pdm360ng_gpio_base + 0xc, 0x40);
+
+ reg = in_be32(pdm360ng_gpio_base + 0x8);
+
+ /* return 1 if pen is down */
+ return (reg & 0x40) == 0;
+}
+
+static struct ads7846_platform_data pdm360ng_ads7846_pdata = {
+ .model = 7845,
+ .get_pendown_state = pdm360ng_get_pendown_state,
+ .irq_flags = IRQF_TRIGGER_LOW,
+};
+
+static int __init pdm360ng_penirq_init(void)
+{
+ struct device_node *np;
+
+ np = of_find_compatible_node(NULL, NULL, "fsl,mpc5121-gpio");
+ if (!np) {
+ pr_err("%s: Can't find 'mpc5121-gpio' node\n", __func__);
+ return -ENODEV;
+ }
+
+ pdm360ng_gpio_base = of_iomap(np, 0);
+ of_node_put(np);
+ if (!pdm360ng_gpio_base) {
+ pr_err("%s: Can't map gpio regs.\n", __func__);
+ return -ENODEV;
+ }
+ out_be32(pdm360ng_gpio_base + 0xc, 0xffffffff);
+ setbits32(pdm360ng_gpio_base + 0x18, 0x2000);
+ setbits32(pdm360ng_gpio_base + 0x10, 0x40);
+
+ return 0;
+}
+
+static int pdm360ng_touchscreen_notifier_call(struct notifier_block *nb,
+ unsigned long event, void *__dev)
+{
+ struct device *dev = __dev;
+
+ if ((event == BUS_NOTIFY_ADD_DEVICE) &&
+ of_device_is_compatible(dev->of_node, "ti,ads7846")) {
+ dev->platform_data = &pdm360ng_ads7846_pdata;
+ return NOTIFY_OK;
+ }
+ return NOTIFY_DONE;
+}
+
+static struct notifier_block pdm360ng_touchscreen_nb = {
+ .notifier_call = pdm360ng_touchscreen_notifier_call,
+};
+
+static void __init pdm360ng_touchscreen_init(void)
+{
+ if (pdm360ng_penirq_init())
+ return;
+
+ bus_register_notifier(&spi_bus_type, &pdm360ng_touchscreen_nb);
+}
+#else
+static inline void __init pdm360ng_touchscreen_init(void)
+{
+}
+#endif /* CONFIG_TOUCHSCREEN_ADS7846 */
+
+void __init pdm360ng_init(void)
+{
+ mpc512x_init();
+ pdm360ng_touchscreen_init();
+}
+
+static int __init pdm360ng_probe(void)
+{
+ unsigned long root = of_get_flat_dt_root();
+
+ return of_flat_dt_is_compatible(root, "ifm,pdm360ng");
+}
+
+define_machine(pdm360ng) {
+ .name = "PDM360NG",
+ .probe = pdm360ng_probe,
+ .setup_arch = mpc512x_setup_diu,
+ .init = pdm360ng_init,
+ .init_early = mpc512x_init_diu,
+ .init_IRQ = mpc512x_init_IRQ,
+ .get_irq = ipic_get_irq,
+ .calibrate_decr = generic_calibrate_decr,
+ .restart = mpc512x_restart,
+};
diff --git a/arch/powerpc/platforms/52xx/lite5200_pm.c b/arch/powerpc/platforms/52xx/lite5200_pm.c
index b5c753d..80234e5 100644
--- a/arch/powerpc/platforms/52xx/lite5200_pm.c
+++ b/arch/powerpc/platforms/52xx/lite5200_pm.c
@@ -216,9 +216,6 @@ static int lite5200_pm_enter(suspend_state_t state)
lite5200_restore_regs();
- /* restart jiffies */
- wakeup_decrementer();
-
iounmap(mbar);
return 0;
}
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pm.c b/arch/powerpc/platforms/52xx/mpc52xx_pm.c
index 7672253..568cef6 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_pm.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_pm.c
@@ -171,9 +171,6 @@ int mpc52xx_pm_enter(suspend_state_t state)
/* restore SRAM */
memcpy(sram, saved_sram, sram_size);
- /* restart jiffies */
- wakeup_decrementer();
-
/* reenable interrupts in PIC */
out_be32(&intr->main_mask, intr_main_mask);
diff --git a/arch/powerpc/platforms/83xx/Kconfig b/arch/powerpc/platforms/83xx/Kconfig
index f49a254..021763a 100644
--- a/arch/powerpc/platforms/83xx/Kconfig
+++ b/arch/powerpc/platforms/83xx/Kconfig
@@ -9,6 +9,14 @@ menuconfig PPC_83xx
if PPC_83xx
+config MPC830x_RDB
+ bool "Freescale MPC830x RDB"
+ select DEFAULT_UIMAGE
+ select PPC_MPC831x
+ select FSL_GTM
+ help
+ This option enables support for the MPC8308 RDB board.
+
config MPC831x_RDB
bool "Freescale MPC831x RDB"
select DEFAULT_UIMAGE
diff --git a/arch/powerpc/platforms/83xx/Makefile b/arch/powerpc/platforms/83xx/Makefile
index e139c36..6e8bbbb 100644
--- a/arch/powerpc/platforms/83xx/Makefile
+++ b/arch/powerpc/platforms/83xx/Makefile
@@ -4,6 +4,7 @@
obj-y := misc.o usb.o
obj-$(CONFIG_SUSPEND) += suspend.o suspend-asm.o
obj-$(CONFIG_MCU_MPC8349EMITX) += mcu_mpc8349emitx.o
+obj-$(CONFIG_MPC830x_RDB) += mpc830x_rdb.o
obj-$(CONFIG_MPC831x_RDB) += mpc831x_rdb.o
obj-$(CONFIG_MPC832x_RDB) += mpc832x_rdb.o
obj-$(CONFIG_MPC834x_MDS) += mpc834x_mds.o
diff --git a/arch/powerpc/platforms/83xx/mpc830x_rdb.c b/arch/powerpc/platforms/83xx/mpc830x_rdb.c
new file mode 100644
index 0000000..ac102ee
--- /dev/null
+++ b/arch/powerpc/platforms/83xx/mpc830x_rdb.c
@@ -0,0 +1,94 @@
+/*
+ * arch/powerpc/platforms/83xx/mpc830x_rdb.c
+ *
+ * Description: MPC830x RDB board specific routines.
+ * This file is based on mpc831x_rdb.c
+ *
+ * Copyright (C) Freescale Semiconductor, Inc. 2009. All rights reserved.
+ * Copyright (C) 2010. Ilya Yanok, Emcraft Systems, yanok@emcraft.com
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/pci.h>
+#include <linux/of_platform.h>
+#include <asm/time.h>
+#include <asm/ipic.h>
+#include <asm/udbg.h>
+#include <sysdev/fsl_pci.h>
+#include <sysdev/fsl_soc.h>
+#include "mpc83xx.h"
+
+/*
+ * Setup the architecture
+ */
+static void __init mpc830x_rdb_setup_arch(void)
+{
+#ifdef CONFIG_PCI
+ struct device_node *np;
+#endif
+
+ if (ppc_md.progress)
+ ppc_md.progress("mpc830x_rdb_setup_arch()", 0);
+
+#ifdef CONFIG_PCI
+ for_each_compatible_node(np, "pci", "fsl,mpc8308-pcie")
+ mpc83xx_add_bridge(np);
+#endif
+ mpc831x_usb_cfg();
+}
+
+static void __init mpc830x_rdb_init_IRQ(void)
+{
+ struct device_node *np;
+
+ np = of_find_node_by_type(NULL, "ipic");
+ if (!np)
+ return;
+
+ ipic_init(np, 0);
+
+ /* Initialize the default interrupt mapping priorities,
+ * in case the boot rom changed something on us.
+ */
+ ipic_set_default_priority();
+}
+
+/*
+ * Called very early, MMU is off, device-tree isn't unflattened
+ */
+static int __init mpc830x_rdb_probe(void)
+{
+ unsigned long root = of_get_flat_dt_root();
+
+ return of_flat_dt_is_compatible(root, "MPC8308RDB") ||
+ of_flat_dt_is_compatible(root, "fsl,mpc8308rdb");
+}
+
+static struct of_device_id __initdata of_bus_ids[] = {
+ { .compatible = "simple-bus" },
+ { .compatible = "gianfar" },
+ {},
+};
+
+static int __init declare_of_platform_devices(void)
+{
+ of_platform_bus_probe(NULL, of_bus_ids, NULL);
+ return 0;
+}
+machine_device_initcall(mpc830x_rdb, declare_of_platform_devices);
+
+define_machine(mpc830x_rdb) {
+ .name = "MPC830x RDB",
+ .probe = mpc830x_rdb_probe,
+ .setup_arch = mpc830x_rdb_setup_arch,
+ .init_IRQ = mpc830x_rdb_init_IRQ,
+ .get_irq = ipic_get_irq,
+ .restart = mpc83xx_restart,
+ .time_init = mpc83xx_time_init,
+ .calibrate_decr = generic_calibrate_decr,
+ .progress = udbg_progress,
+};
diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig
index 3a2ade2..bea1f59 100644
--- a/arch/powerpc/platforms/85xx/Kconfig
+++ b/arch/powerpc/platforms/85xx/Kconfig
@@ -65,6 +65,14 @@ config MPC85xx_RDB
help
This option enables support for the MPC85xx RDB (P2020 RDB) board
+config P1022_DS
+ bool "Freescale P1022 DS"
+ select DEFAULT_UIMAGE
+ select CONFIG_PHYS_64BIT # The DTS has 36-bit addresses
+ select SWIOTLB
+ help
+ This option enables support for the Freescale P1022DS reference board.
+
config SOCRATES
bool "Socrates"
select DEFAULT_UIMAGE
diff --git a/arch/powerpc/platforms/85xx/Makefile b/arch/powerpc/platforms/85xx/Makefile
index 387c128..a2ec3f8 100644
--- a/arch/powerpc/platforms/85xx/Makefile
+++ b/arch/powerpc/platforms/85xx/Makefile
@@ -10,6 +10,7 @@ obj-$(CONFIG_MPC8536_DS) += mpc8536_ds.o
obj-$(CONFIG_MPC85xx_DS) += mpc85xx_ds.o
obj-$(CONFIG_MPC85xx_MDS) += mpc85xx_mds.o
obj-$(CONFIG_MPC85xx_RDB) += mpc85xx_rdb.o
+obj-$(CONFIG_P1022_DS) += p1022_ds.o
obj-$(CONFIG_P4080_DS) += p4080_ds.o corenet_ds.o
obj-$(CONFIG_STX_GP3) += stx_gp3.o
obj-$(CONFIG_TQM85xx) += tqm85xx.o
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
index 4945136..da64be1 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
@@ -158,51 +158,108 @@ static int mpc8568_mds_phy_fixups(struct phy_device *phydev)
extern void __init mpc85xx_smp_init(void);
#endif
-static void __init mpc85xx_mds_setup_arch(void)
+#ifdef CONFIG_QUICC_ENGINE
+static struct of_device_id mpc85xx_qe_ids[] __initdata = {
+ { .type = "qe", },
+ { .compatible = "fsl,qe", },
+ { },
+};
+
+static void __init mpc85xx_publish_qe_devices(void)
{
struct device_node *np;
- static u8 __iomem *bcsr_regs = NULL;
-#ifdef CONFIG_PCI
- struct pci_controller *hose;
-#endif
- dma_addr_t max = 0xffffffff;
- if (ppc_md.progress)
- ppc_md.progress("mpc85xx_mds_setup_arch()", 0);
+ np = of_find_compatible_node(NULL, NULL, "fsl,qe");
+ if (!of_device_is_available(np)) {
+ of_node_put(np);
+ return;
+ }
+
+ of_platform_bus_probe(NULL, mpc85xx_qe_ids, NULL);
+}
+
+static void __init mpc85xx_mds_reset_ucc_phys(void)
+{
+ struct device_node *np;
+ static u8 __iomem *bcsr_regs;
/* Map BCSR area */
np = of_find_node_by_name(NULL, "bcsr");
- if (np != NULL) {
- struct resource res;
+ if (!np)
+ return;
- of_address_to_resource(np, 0, &res);
- bcsr_regs = ioremap(res.start, res.end - res.start +1);
- of_node_put(np);
- }
+ bcsr_regs = of_iomap(np, 0);
+ of_node_put(np);
+ if (!bcsr_regs)
+ return;
-#ifdef CONFIG_PCI
- for_each_node_by_type(np, "pci") {
- if (of_device_is_compatible(np, "fsl,mpc8540-pci") ||
- of_device_is_compatible(np, "fsl,mpc8548-pcie")) {
- struct resource rsrc;
- of_address_to_resource(np, 0, &rsrc);
- if ((rsrc.start & 0xfffff) == 0x8000)
- fsl_add_bridge(np, 1);
- else
- fsl_add_bridge(np, 0);
+ if (machine_is(mpc8568_mds)) {
+#define BCSR_UCC1_GETH_EN (0x1 << 7)
+#define BCSR_UCC2_GETH_EN (0x1 << 7)
+#define BCSR_UCC1_MODE_MSK (0x3 << 4)
+#define BCSR_UCC2_MODE_MSK (0x3 << 0)
- hose = pci_find_hose_for_OF_device(np);
- max = min(max, hose->dma_window_base_cur +
- hose->dma_window_size);
+ /* Turn off UCC1 & UCC2 */
+ clrbits8(&bcsr_regs[8], BCSR_UCC1_GETH_EN);
+ clrbits8(&bcsr_regs[9], BCSR_UCC2_GETH_EN);
+
+ /* Mode is RGMII, all bits clear */
+ clrbits8(&bcsr_regs[11], BCSR_UCC1_MODE_MSK |
+ BCSR_UCC2_MODE_MSK);
+
+ /* Turn UCC1 & UCC2 on */
+ setbits8(&bcsr_regs[8], BCSR_UCC1_GETH_EN);
+ setbits8(&bcsr_regs[9], BCSR_UCC2_GETH_EN);
+ } else if (machine_is(mpc8569_mds)) {
+#define BCSR7_UCC12_GETHnRST (0x1 << 2)
+#define BCSR8_UEM_MARVELL_RST (0x1 << 1)
+#define BCSR_UCC_RGMII (0x1 << 6)
+#define BCSR_UCC_RTBI (0x1 << 5)
+ /*
+ * U-Boot mangles interrupt polarity for Marvell PHYs,
+ * so reset built-in and UEM Marvell PHYs, this puts
+ * the PHYs into their normal state.
+ */
+ clrbits8(&bcsr_regs[7], BCSR7_UCC12_GETHnRST);
+ setbits8(&bcsr_regs[8], BCSR8_UEM_MARVELL_RST);
+
+ setbits8(&bcsr_regs[7], BCSR7_UCC12_GETHnRST);
+ clrbits8(&bcsr_regs[8], BCSR8_UEM_MARVELL_RST);
+
+ for (np = NULL; (np = of_find_compatible_node(np,
+ "network",
+ "ucc_geth")) != NULL;) {
+ const unsigned int *prop;
+ int ucc_num;
+
+ prop = of_get_property(np, "cell-index", NULL);
+ if (prop == NULL)
+ continue;
+
+ ucc_num = *prop - 1;
+
+ prop = of_get_property(np, "phy-connection-type", NULL);
+ if (prop == NULL)
+ continue;
+
+ if (strcmp("rtbi", (const char *)prop) == 0)
+ clrsetbits_8(&bcsr_regs[7 + ucc_num],
+ BCSR_UCC_RGMII, BCSR_UCC_RTBI);
}
+ } else if (machine_is(p1021_mds)) {
+#define BCSR11_ENET_MICRST (0x1 << 5)
+ /* Reset Micrel PHY */
+ clrbits8(&bcsr_regs[11], BCSR11_ENET_MICRST);
+ setbits8(&bcsr_regs[11], BCSR11_ENET_MICRST);
}
-#endif
-#ifdef CONFIG_SMP
- mpc85xx_smp_init();
-#endif
+ iounmap(bcsr_regs);
+}
+
+static void __init mpc85xx_mds_qe_init(void)
+{
+ struct device_node *np;
-#ifdef CONFIG_QUICC_ENGINE
np = of_find_compatible_node(NULL, NULL, "fsl,qe");
if (!np) {
np = of_find_node_by_name(NULL, "qe");
@@ -210,6 +267,11 @@ static void __init mpc85xx_mds_setup_arch(void)
return;
}
+ if (!of_device_is_available(np)) {
+ of_node_put(np);
+ return;
+ }
+
qe_reset();
of_node_put(np);
@@ -224,70 +286,7 @@ static void __init mpc85xx_mds_setup_arch(void)
par_io_of_config(ucc);
}
- if (bcsr_regs) {
- if (machine_is(mpc8568_mds)) {
-#define BCSR_UCC1_GETH_EN (0x1 << 7)
-#define BCSR_UCC2_GETH_EN (0x1 << 7)
-#define BCSR_UCC1_MODE_MSK (0x3 << 4)
-#define BCSR_UCC2_MODE_MSK (0x3 << 0)
-
- /* Turn off UCC1 & UCC2 */
- clrbits8(&bcsr_regs[8], BCSR_UCC1_GETH_EN);
- clrbits8(&bcsr_regs[9], BCSR_UCC2_GETH_EN);
-
- /* Mode is RGMII, all bits clear */
- clrbits8(&bcsr_regs[11], BCSR_UCC1_MODE_MSK |
- BCSR_UCC2_MODE_MSK);
-
- /* Turn UCC1 & UCC2 on */
- setbits8(&bcsr_regs[8], BCSR_UCC1_GETH_EN);
- setbits8(&bcsr_regs[9], BCSR_UCC2_GETH_EN);
- } else if (machine_is(mpc8569_mds)) {
-#define BCSR7_UCC12_GETHnRST (0x1 << 2)
-#define BCSR8_UEM_MARVELL_RST (0x1 << 1)
-#define BCSR_UCC_RGMII (0x1 << 6)
-#define BCSR_UCC_RTBI (0x1 << 5)
- /*
- * U-Boot mangles interrupt polarity for Marvell PHYs,
- * so reset built-in and UEM Marvell PHYs, this puts
- * the PHYs into their normal state.
- */
- clrbits8(&bcsr_regs[7], BCSR7_UCC12_GETHnRST);
- setbits8(&bcsr_regs[8], BCSR8_UEM_MARVELL_RST);
-
- setbits8(&bcsr_regs[7], BCSR7_UCC12_GETHnRST);
- clrbits8(&bcsr_regs[8], BCSR8_UEM_MARVELL_RST);
-
- for (np = NULL; (np = of_find_compatible_node(np,
- "network",
- "ucc_geth")) != NULL;) {
- const unsigned int *prop;
- int ucc_num;
-
- prop = of_get_property(np, "cell-index", NULL);
- if (prop == NULL)
- continue;
-
- ucc_num = *prop - 1;
-
- prop = of_get_property(np, "phy-connection-type", NULL);
- if (prop == NULL)
- continue;
-
- if (strcmp("rtbi", (const char *)prop) == 0)
- clrsetbits_8(&bcsr_regs[7 + ucc_num],
- BCSR_UCC_RGMII, BCSR_UCC_RTBI);
- }
-
- } else if (machine_is(p1021_mds)) {
-#define BCSR11_ENET_MICRST (0x1 << 5)
- /* Reset Micrel PHY */
- clrbits8(&bcsr_regs[11], BCSR11_ENET_MICRST);
- setbits8(&bcsr_regs[11], BCSR11_ENET_MICRST);
- }
-
- iounmap(bcsr_regs);
- }
+ mpc85xx_mds_reset_ucc_phys();
if (machine_is(p1021_mds)) {
#define MPC85xx_PMUXCR_OFFSET 0x60
@@ -322,8 +321,72 @@ static void __init mpc85xx_mds_setup_arch(void)
}
}
+}
+
+static void __init mpc85xx_mds_qeic_init(void)
+{
+ struct device_node *np;
+
+ np = of_find_compatible_node(NULL, NULL, "fsl,qe");
+ if (!of_device_is_available(np)) {
+ of_node_put(np);
+ return;
+ }
+
+ np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
+ if (!np) {
+ np = of_find_node_by_type(NULL, "qeic");
+ if (!np)
+ return;
+ }
+
+ if (machine_is(p1021_mds))
+ qe_ic_init(np, 0, qe_ic_cascade_low_mpic,
+ qe_ic_cascade_high_mpic);
+ else
+ qe_ic_init(np, 0, qe_ic_cascade_muxed_mpic, NULL);
+ of_node_put(np);
+}
+#else
+static void __init mpc85xx_publish_qe_devices(void) { }
+static void __init mpc85xx_mds_qe_init(void) { }
+static void __init mpc85xx_mds_qeic_init(void) { }
#endif /* CONFIG_QUICC_ENGINE */
+static void __init mpc85xx_mds_setup_arch(void)
+{
+#ifdef CONFIG_PCI
+ struct pci_controller *hose;
+#endif
+ dma_addr_t max = 0xffffffff;
+
+ if (ppc_md.progress)
+ ppc_md.progress("mpc85xx_mds_setup_arch()", 0);
+
+#ifdef CONFIG_PCI
+ for_each_node_by_type(np, "pci") {
+ if (of_device_is_compatible(np, "fsl,mpc8540-pci") ||
+ of_device_is_compatible(np, "fsl,mpc8548-pcie")) {
+ struct resource rsrc;
+ of_address_to_resource(np, 0, &rsrc);
+ if ((rsrc.start & 0xfffff) == 0x8000)
+ fsl_add_bridge(np, 1);
+ else
+ fsl_add_bridge(np, 0);
+
+ hose = pci_find_hose_for_OF_device(np);
+ max = min(max, hose->dma_window_base_cur +
+ hose->dma_window_size);
+ }
+ }
+#endif
+
+#ifdef CONFIG_SMP
+ mpc85xx_smp_init();
+#endif
+
+ mpc85xx_mds_qe_init();
+
#ifdef CONFIG_SWIOTLB
if (memblock_end_of_DRAM() > max) {
ppc_swiotlb_enable = 1;
@@ -369,8 +432,6 @@ static struct of_device_id mpc85xx_ids[] = {
{ .type = "soc", },
{ .compatible = "soc", },
{ .compatible = "simple-bus", },
- { .type = "qe", },
- { .compatible = "fsl,qe", },
{ .compatible = "gianfar", },
{ .compatible = "fsl,rapidio-delta", },
{ .compatible = "fsl,mpc8548-guts", },
@@ -382,8 +443,6 @@ static struct of_device_id p1021_ids[] = {
{ .type = "soc", },
{ .compatible = "soc", },
{ .compatible = "simple-bus", },
- { .type = "qe", },
- { .compatible = "fsl,qe", },
{ .compatible = "gianfar", },
{},
};
@@ -395,16 +454,16 @@ static int __init mpc85xx_publish_devices(void)
if (machine_is(mpc8569_mds))
simple_gpiochip_init("fsl,mpc8569mds-bcsr-gpio");
- /* Publish the QE devices */
of_platform_bus_probe(NULL, mpc85xx_ids, NULL);
+ mpc85xx_publish_qe_devices();
return 0;
}
static int __init p1021_publish_devices(void)
{
- /* Publish the QE devices */
of_platform_bus_probe(NULL, p1021_ids, NULL);
+ mpc85xx_publish_qe_devices();
return 0;
}
@@ -441,21 +500,7 @@ static void __init mpc85xx_mds_pic_init(void)
of_node_put(np);
mpic_init(mpic);
-
-#ifdef CONFIG_QUICC_ENGINE
- np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
- if (!np) {
- np = of_find_node_by_type(NULL, "qeic");
- if (!np)
- return;
- }
- if (machine_is(p1021_mds))
- qe_ic_init(np, 0, qe_ic_cascade_low_mpic,
- qe_ic_cascade_high_mpic);
- else
- qe_ic_init(np, 0, qe_ic_cascade_muxed_mpic, NULL);
- of_node_put(np);
-#endif /* CONFIG_QUICC_ENGINE */
+ mpc85xx_mds_qeic_init();
}
static int __init mpc85xx_mds_probe(void)
diff --git a/arch/powerpc/platforms/85xx/p1022_ds.c b/arch/powerpc/platforms/85xx/p1022_ds.c
new file mode 100644
index 0000000..e1467c9
--- /dev/null
+++ b/arch/powerpc/platforms/85xx/p1022_ds.c
@@ -0,0 +1,148 @@
+/*
+ * P1022DS board specific routines
+ *
+ * Authors: Travis Wheatley <travis.wheatley@freescale.com>
+ * Dave Liu <daveliu@freescale.com>
+ * Timur Tabi <timur@freescale.com>
+ *
+ * Copyright 2010 Freescale Semiconductor, Inc.
+ *
+ * This file is taken from the Freescale P1022DS BSP, with modifications:
+ * 1) No DIU support (pending rewrite of DIU code)
+ * 2) No AMP support
+ * 3) No PCI endpoint support
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#include <linux/pci.h>
+#include <linux/of_platform.h>
+#include <linux/lmb.h>
+
+#include <asm/mpic.h>
+#include <asm/swiotlb.h>
+
+#include <sysdev/fsl_soc.h>
+#include <sysdev/fsl_pci.h>
+
+void __init p1022_ds_pic_init(void)
+{
+ struct mpic *mpic;
+ struct resource r;
+ struct device_node *np;
+
+ np = of_find_node_by_type(NULL, "open-pic");
+ if (!np) {
+ pr_err("Could not find open-pic node\n");
+ return;
+ }
+
+ if (of_address_to_resource(np, 0, &r)) {
+ pr_err("Failed to map mpic register space\n");
+ of_node_put(np);
+ return;
+ }
+
+ mpic = mpic_alloc(np, r.start,
+ MPIC_PRIMARY | MPIC_WANTS_RESET |
+ MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS |
+ MPIC_SINGLE_DEST_CPU,
+ 0, 256, " OpenPIC ");
+
+ BUG_ON(mpic == NULL);
+ of_node_put(np);
+
+ mpic_init(mpic);
+}
+
+#ifdef CONFIG_SMP
+void __init mpc85xx_smp_init(void);
+#endif
+
+/*
+ * Setup the architecture
+ */
+static void __init p1022_ds_setup_arch(void)
+{
+#ifdef CONFIG_PCI
+ struct device_node *np;
+#endif
+ dma_addr_t max = 0xffffffff;
+
+ if (ppc_md.progress)
+ ppc_md.progress("p1022_ds_setup_arch()", 0);
+
+#ifdef CONFIG_PCI
+ for_each_compatible_node(np, "pci", "fsl,p1022-pcie") {
+ struct resource rsrc;
+ struct pci_controller *hose;
+
+ of_address_to_resource(np, 0, &rsrc);
+
+ if ((rsrc.start & 0xfffff) == 0x8000)
+ fsl_add_bridge(np, 1);
+ else
+ fsl_add_bridge(np, 0);
+
+ hose = pci_find_hose_for_OF_device(np);
+ max = min(max, hose->dma_window_base_cur +
+ hose->dma_window_size);
+ }
+#endif
+
+#ifdef CONFIG_SMP
+ mpc85xx_smp_init();
+#endif
+
+#ifdef CONFIG_SWIOTLB
+ if (lmb_end_of_DRAM() > max) {
+ ppc_swiotlb_enable = 1;
+ set_pci_dma_ops(&swiotlb_dma_ops);
+ ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_swiotlb;
+ }
+#endif
+
+ pr_info("Freescale P1022 DS reference board\n");
+}
+
+static struct of_device_id __initdata p1022_ds_ids[] = {
+ { .type = "soc", },
+ { .compatible = "soc", },
+ { .compatible = "simple-bus", },
+ { .compatible = "gianfar", },
+ {},
+};
+
+static int __init p1022_ds_publish_devices(void)
+{
+ return of_platform_bus_probe(NULL, p1022_ds_ids, NULL);
+}
+machine_device_initcall(p1022_ds, p1022_ds_publish_devices);
+
+machine_arch_initcall(p1022_ds, swiotlb_setup_bus_notifier);
+
+/*
+ * Called very early, device-tree isn't unflattened
+ */
+static int __init p1022_ds_probe(void)
+{
+ unsigned long root = of_get_flat_dt_root();
+
+ return of_flat_dt_is_compatible(root, "fsl,p1022ds");
+}
+
+define_machine(p1022_ds) {
+ .name = "P1022 DS",
+ .probe = p1022_ds_probe,
+ .setup_arch = p1022_ds_setup_arch,
+ .init_IRQ = p1022_ds_pic_init,
+#ifdef CONFIG_PCI
+ .pcibios_fixup_bus = fsl_pcibios_fixup_bus,
+#endif
+ .get_irq = mpic_get_irq,
+ .restart = fsl_rstcr_restart,
+ .calibrate_decr = generic_calibrate_decr,
+ .progress = udbg_progress,
+};
diff --git a/arch/powerpc/platforms/85xx/smp.c b/arch/powerpc/platforms/85xx/smp.c
index a15f582..a6b1065 100644
--- a/arch/powerpc/platforms/85xx/smp.c
+++ b/arch/powerpc/platforms/85xx/smp.c
@@ -15,6 +15,7 @@
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/of.h>
+#include <linux/kexec.h>
#include <asm/machdep.h>
#include <asm/pgtable.h>
@@ -24,6 +25,7 @@
#include <asm/dbell.h>
#include <sysdev/fsl_soc.h>
+#include <sysdev/mpic.h>
extern void __early_start(void);
@@ -99,12 +101,70 @@ static void __init
smp_85xx_setup_cpu(int cpu_nr)
{
mpic_setup_this_cpu();
+ if (cpu_has_feature(CPU_FTR_DBELL))
+ doorbell_setup_this_cpu();
}
struct smp_ops_t smp_85xx_ops = {
.kick_cpu = smp_85xx_kick_cpu,
+#ifdef CONFIG_KEXEC
+ .give_timebase = smp_generic_give_timebase,
+ .take_timebase = smp_generic_take_timebase,
+#endif
};
+#ifdef CONFIG_KEXEC
+static int kexec_down_cpus = 0;
+
+void mpc85xx_smp_kexec_cpu_down(int crash_shutdown, int secondary)
+{
+ mpic_teardown_this_cpu(1);
+
+ /* When crashing, this gets called on all CPU's we only
+ * take down the non-boot cpus */
+ if (smp_processor_id() != boot_cpuid)
+ {
+ local_irq_disable();
+ kexec_down_cpus++;
+
+ while (1);
+ }
+}
+
+static void mpc85xx_smp_kexec_down(void *arg)
+{
+ if (ppc_md.kexec_cpu_down)
+ ppc_md.kexec_cpu_down(0,1);
+}
+
+static void mpc85xx_smp_machine_kexec(struct kimage *image)
+{
+ int timeout = 2000;
+ int i;
+
+ set_cpus_allowed(current, cpumask_of_cpu(boot_cpuid));
+
+ smp_call_function(mpc85xx_smp_kexec_down, NULL, 0);
+
+ while ( (kexec_down_cpus != (num_online_cpus() - 1)) &&
+ ( timeout > 0 ) )
+ {
+ timeout--;
+ }
+
+ if ( !timeout )
+ printk(KERN_ERR "Unable to bring down secondary cpu(s)");
+
+ for (i = 0; i < num_present_cpus(); i++)
+ {
+ if ( i == smp_processor_id() ) continue;
+ mpic_reset_core(i);
+ }
+
+ default_machine_kexec(image);
+}
+#endif /* CONFIG_KEXEC */
+
void __init mpc85xx_smp_init(void)
{
struct device_node *np;
@@ -117,9 +177,14 @@ void __init mpc85xx_smp_init(void)
}
if (cpu_has_feature(CPU_FTR_DBELL))
- smp_85xx_ops.message_pass = smp_dbell_message_pass;
+ smp_85xx_ops.message_pass = doorbell_message_pass;
BUG_ON(!smp_85xx_ops.message_pass);
smp_ops = &smp_85xx_ops;
+
+#ifdef CONFIG_KEXEC
+ ppc_md.kexec_cpu_down = mpc85xx_smp_kexec_cpu_down;
+ ppc_md.machine_kexec = mpc85xx_smp_machine_kexec;
+#endif
}
diff --git a/arch/powerpc/platforms/85xx/tqm85xx.c b/arch/powerpc/platforms/85xx/tqm85xx.c
index 5b0ab99..8f29bbc 100644
--- a/arch/powerpc/platforms/85xx/tqm85xx.c
+++ b/arch/powerpc/platforms/85xx/tqm85xx.c
@@ -151,6 +151,27 @@ static void tqm85xx_show_cpuinfo(struct seq_file *m)
seq_printf(m, "PLL setting\t: 0x%x\n", ((phid1 >> 24) & 0x3f));
}
+static void __init tqm85xx_ti1520_fixup(struct pci_dev *pdev)
+{
+ unsigned int val;
+
+ /* Do not do the fixup on other platforms! */
+ if (!machine_is(tqm85xx))
+ return;
+
+ dev_info(&pdev->dev, "Using TI 1520 fixup on TQM85xx\n");
+
+ /*
+ * Enable P2CCLK bit in system control register
+ * to enable CLOCK output to power chip
+ */
+ pci_read_config_dword(pdev, 0x80, &val);
+ pci_write_config_dword(pdev, 0x80, val | (1 << 27));
+
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1520,
+ tqm85xx_ti1520_fixup);
+
static struct of_device_id __initdata of_bus_ids[] = {
{ .compatible = "simple-bus", },
{ .compatible = "gianfar", },
diff --git a/arch/powerpc/platforms/8xx/Kconfig b/arch/powerpc/platforms/8xx/Kconfig
index 48a920a..dd35ce0 100644
--- a/arch/powerpc/platforms/8xx/Kconfig
+++ b/arch/powerpc/platforms/8xx/Kconfig
@@ -55,6 +55,12 @@ config PPC_MGSUVD
help
This enables support for the Keymile MGSUVD board.
+config TQM8XX
+ bool "TQM8XX"
+ select CPM1
+ help
+ support for the mpc8xx based boards from TQM.
+
endchoice
menu "Freescale Ethernet driver platform-specific options"
diff --git a/arch/powerpc/platforms/8xx/Makefile b/arch/powerpc/platforms/8xx/Makefile
index bdbfd74..a491fe6 100644
--- a/arch/powerpc/platforms/8xx/Makefile
+++ b/arch/powerpc/platforms/8xx/Makefile
@@ -7,3 +7,4 @@ obj-$(CONFIG_MPC86XADS) += mpc86xads_setup.o
obj-$(CONFIG_PPC_EP88XC) += ep88xc.o
obj-$(CONFIG_PPC_ADDER875) += adder875.o
obj-$(CONFIG_PPC_MGSUVD) += mgsuvd.o
+obj-$(CONFIG_TQM8XX) += tqm8xx_setup.o
diff --git a/arch/powerpc/platforms/8xx/tqm8xx_setup.c b/arch/powerpc/platforms/8xx/tqm8xx_setup.c
new file mode 100644
index 0000000..b71c650
--- /dev/null
+++ b/arch/powerpc/platforms/8xx/tqm8xx_setup.c
@@ -0,0 +1,156 @@
+/*
+ * Platform setup for the MPC8xx based boards from TQM.
+ *
+ * Heiko Schocher <hs@denx.de>
+ * Copyright 2010 DENX Software Engineering GmbH
+ *
+ * based on:
+ * Vitaly Bordug <vbordug@ru.mvista.com>
+ *
+ * Copyright 2005 MontaVista Software Inc.
+ *
+ * Heavily modified by Scott Wood <scottwood@freescale.com>
+ * Copyright 2007 Freescale Semiconductor, Inc.
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/param.h>
+#include <linux/string.h>
+#include <linux/ioport.h>
+#include <linux/device.h>
+#include <linux/delay.h>
+
+#include <linux/fs_enet_pd.h>
+#include <linux/fs_uart_pd.h>
+#include <linux/fsl_devices.h>
+#include <linux/mii.h>
+#include <linux/of_platform.h>
+
+#include <asm/delay.h>
+#include <asm/io.h>
+#include <asm/machdep.h>
+#include <asm/page.h>
+#include <asm/processor.h>
+#include <asm/system.h>
+#include <asm/time.h>
+#include <asm/mpc8xx.h>
+#include <asm/8xx_immap.h>
+#include <asm/cpm1.h>
+#include <asm/fs_pd.h>
+#include <asm/udbg.h>
+
+#include "mpc8xx.h"
+
+struct cpm_pin {
+ int port, pin, flags;
+};
+
+static struct __initdata cpm_pin tqm8xx_pins[] = {
+ /* SMC1 */
+ {CPM_PORTB, 24, CPM_PIN_INPUT}, /* RX */
+ {CPM_PORTB, 25, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* TX */
+
+ /* SCC1 */
+ {CPM_PORTA, 5, CPM_PIN_INPUT}, /* CLK1 */
+ {CPM_PORTA, 7, CPM_PIN_INPUT}, /* CLK2 */
+ {CPM_PORTA, 14, CPM_PIN_INPUT}, /* TX */
+ {CPM_PORTA, 15, CPM_PIN_INPUT}, /* RX */
+ {CPM_PORTC, 15, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* TENA */
+ {CPM_PORTC, 10, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_GPIO},
+ {CPM_PORTC, 11, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_GPIO},
+};
+
+static struct __initdata cpm_pin tqm8xx_fec_pins[] = {
+ /* MII */
+ {CPM_PORTD, 3, CPM_PIN_OUTPUT},
+ {CPM_PORTD, 4, CPM_PIN_OUTPUT},
+ {CPM_PORTD, 5, CPM_PIN_OUTPUT},
+ {CPM_PORTD, 6, CPM_PIN_OUTPUT},
+ {CPM_PORTD, 7, CPM_PIN_OUTPUT},
+ {CPM_PORTD, 8, CPM_PIN_OUTPUT},
+ {CPM_PORTD, 9, CPM_PIN_OUTPUT},
+ {CPM_PORTD, 10, CPM_PIN_OUTPUT},
+ {CPM_PORTD, 11, CPM_PIN_OUTPUT},
+ {CPM_PORTD, 12, CPM_PIN_OUTPUT},
+ {CPM_PORTD, 13, CPM_PIN_OUTPUT},
+ {CPM_PORTD, 14, CPM_PIN_OUTPUT},
+ {CPM_PORTD, 15, CPM_PIN_OUTPUT},
+};
+
+static void __init init_pins(int n, struct cpm_pin *pin)
+{
+ int i;
+
+ for (i = 0; i < n; i++) {
+ cpm1_set_pin(pin->port, pin->pin, pin->flags);
+ pin++;
+ }
+}
+
+static void __init init_ioports(void)
+{
+ struct device_node *dnode;
+ struct property *prop;
+ int len;
+
+ init_pins(ARRAY_SIZE(tqm8xx_pins), &tqm8xx_pins[0]);
+
+ cpm1_clk_setup(CPM_CLK_SMC1, CPM_BRG1, CPM_CLK_RTX);
+
+ dnode = of_find_node_by_name(NULL, "aliases");
+ if (dnode == NULL)
+ return;
+ prop = of_find_property(dnode, "ethernet1", &len);
+ if (prop == NULL)
+ return;
+
+ /* init FEC pins */
+ init_pins(ARRAY_SIZE(tqm8xx_fec_pins), &tqm8xx_fec_pins[0]);
+}
+
+static void __init tqm8xx_setup_arch(void)
+{
+ cpm_reset();
+ init_ioports();
+}
+
+static int __init tqm8xx_probe(void)
+{
+ unsigned long node = of_get_flat_dt_root();
+
+ return of_flat_dt_is_compatible(node, "tqc,tqm8xx");
+}
+
+static struct of_device_id __initdata of_bus_ids[] = {
+ { .name = "soc", },
+ { .name = "cpm", },
+ { .name = "localbus", },
+ { .compatible = "simple-bus" },
+ {},
+};
+
+static int __init declare_of_platform_devices(void)
+{
+ of_platform_bus_probe(NULL, of_bus_ids, NULL);
+
+ return 0;
+}
+machine_device_initcall(tqm8xx, declare_of_platform_devices);
+
+define_machine(tqm8xx) {
+ .name = "TQM8xx",
+ .probe = tqm8xx_probe,
+ .setup_arch = tqm8xx_setup_arch,
+ .init_IRQ = mpc8xx_pics_init,
+ .get_irq = mpc8xx_get_irq,
+ .restart = mpc8xx_restart,
+ .calibrate_decr = mpc8xx_calibrate_decr,
+ .set_rtc_time = mpc8xx_set_rtc_time,
+ .get_rtc_time = mpc8xx_get_rtc_time,
+ .progress = udbg_progress,
+};
diff --git a/arch/powerpc/platforms/iseries/vio.c b/arch/powerpc/platforms/iseries/vio.c
index 00b6730..b6db7ce 100644
--- a/arch/powerpc/platforms/iseries/vio.c
+++ b/arch/powerpc/platforms/iseries/vio.c
@@ -87,12 +87,11 @@ static struct device_node *new_node(const char *path,
if (!np)
return NULL;
- np->full_name = kmalloc(strlen(path) + 1, GFP_KERNEL);
+ np->full_name = kstrdup(path, GFP_KERNEL);
if (!np->full_name) {
kfree(np);
return NULL;
}
- strcpy(np->full_name, path);
of_node_set_flag(np, OF_DYNAMIC);
kref_init(&np->kref);
np->parent = of_node_get(parent);
diff --git a/arch/powerpc/platforms/powermac/cpufreq_32.c b/arch/powerpc/platforms/powermac/cpufreq_32.c
index 1e9eba1..415ca6d 100644
--- a/arch/powerpc/platforms/powermac/cpufreq_32.c
+++ b/arch/powerpc/platforms/powermac/cpufreq_32.c
@@ -310,8 +310,12 @@ static int pmu_set_cpu_speed(int low_speed)
/* Restore low level PMU operations */
pmu_unlock();
- /* Restore decrementer */
- wakeup_decrementer();
+ /*
+ * Restore decrementer; we'll take a decrementer interrupt
+ * as soon as interrupts are re-enabled and the generic
+ * clockevents code will reprogram it with the right value.
+ */
+ set_dec(1);
/* Restore interrupts */
mpic_cpu_set_priority(pic_prio);
diff --git a/arch/powerpc/platforms/powermac/feature.c b/arch/powerpc/platforms/powermac/feature.c
index 9e1b9fd..79bd3e8 100644
--- a/arch/powerpc/platforms/powermac/feature.c
+++ b/arch/powerpc/platforms/powermac/feature.c
@@ -2191,7 +2191,11 @@ static struct pmac_mb_def pmac_mb_defs[] = {
PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
PMAC_MB_MAY_SLEEP,
},
- { "iMac,1", "iMac (first generation)",
+ { "PowerMac10,2", "Mac mini (Late 2005)",
+ PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
+ PMAC_MB_MAY_SLEEP,
+ },
+ { "iMac,1", "iMac (first generation)",
PMAC_TYPE_ORIG_IMAC, paddington_features,
0
},
diff --git a/arch/powerpc/platforms/pseries/Makefile b/arch/powerpc/platforms/pseries/Makefile
index 3dbef30..046ace9 100644
--- a/arch/powerpc/platforms/pseries/Makefile
+++ b/arch/powerpc/platforms/pseries/Makefile
@@ -26,3 +26,7 @@ obj-$(CONFIG_HCALL_STATS) += hvCall_inst.o
obj-$(CONFIG_PHYP_DUMP) += phyp_dump.o
obj-$(CONFIG_CMM) += cmm.o
obj-$(CONFIG_DTL) += dtl.o
+
+ifeq ($(CONFIG_PPC_PSERIES),y)
+obj-$(CONFIG_SUSPEND) += suspend.o
+endif
diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c
index d71e585..227c1c3 100644
--- a/arch/powerpc/platforms/pseries/dlpar.c
+++ b/arch/powerpc/platforms/pseries/dlpar.c
@@ -463,6 +463,7 @@ static int dlpar_offline_cpu(struct device_node *dn)
break;
if (get_cpu_current_state(cpu) == CPU_STATE_ONLINE) {
+ set_preferred_offline_state(cpu, CPU_STATE_OFFLINE);
cpu_maps_update_done();
rc = cpu_down(cpu);
if (rc)
diff --git a/arch/powerpc/platforms/pseries/eeh_cache.c b/arch/powerpc/platforms/pseries/eeh_cache.c
index 30b987b..8ed0d2d 100644
--- a/arch/powerpc/platforms/pseries/eeh_cache.c
+++ b/arch/powerpc/platforms/pseries/eeh_cache.c
@@ -288,8 +288,7 @@ void __init pci_addr_cache_build(void)
spin_lock_init(&pci_io_addr_cache_root.piar_lock);
- while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
-
+ for_each_pci_dev(dev) {
pci_addr_cache_insert_device(dev);
dn = pci_device_to_OF_node(dev);
diff --git a/arch/powerpc/platforms/pseries/event_sources.c b/arch/powerpc/platforms/pseries/event_sources.c
index e889c9d..2605c31 100644
--- a/arch/powerpc/platforms/pseries/event_sources.c
+++ b/arch/powerpc/platforms/pseries/event_sources.c
@@ -41,9 +41,12 @@ void request_event_sources_irqs(struct device_node *np,
if (count > 15)
break;
virqs[count] = irq_create_mapping(NULL, *(opicprop++));
- if (virqs[count] == NO_IRQ)
- printk(KERN_ERR "Unable to allocate interrupt "
- "number for %s\n", np->full_name);
+ if (virqs[count] == NO_IRQ) {
+ pr_err("event-sources: Unable to allocate "
+ "interrupt number for %s\n",
+ np->full_name);
+ WARN_ON(1);
+ }
else
count++;
@@ -59,9 +62,12 @@ void request_event_sources_irqs(struct device_node *np,
virqs[count] = irq_create_of_mapping(oirq.controller,
oirq.specifier,
oirq.size);
- if (virqs[count] == NO_IRQ)
- printk(KERN_ERR "Unable to allocate interrupt "
- "number for %s\n", np->full_name);
+ if (virqs[count] == NO_IRQ) {
+ pr_err("event-sources: Unable to allocate "
+ "interrupt number for %s\n",
+ np->full_name);
+ WARN_ON(1);
+ }
else
count++;
}
@@ -70,8 +76,9 @@ void request_event_sources_irqs(struct device_node *np,
/* Now request them */
for (i = 0; i < count; i++) {
if (request_irq(virqs[i], handler, 0, name, NULL)) {
- printk(KERN_ERR "Unable to request interrupt %d for "
- "%s\n", virqs[i], np->full_name);
+ pr_err("event-sources: Unable to request interrupt "
+ "%d for %s\n", virqs[i], np->full_name);
+ WARN_ON(1);
return;
}
}
diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c
index 8f85f39..fd50ccd 100644
--- a/arch/powerpc/platforms/pseries/hotplug-cpu.c
+++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c
@@ -116,6 +116,9 @@ static void pseries_mach_cpu_die(void)
if (get_preferred_offline_state(cpu) == CPU_STATE_INACTIVE) {
set_cpu_current_state(cpu, CPU_STATE_INACTIVE);
+ if (ppc_md.suspend_disable_cpu)
+ ppc_md.suspend_disable_cpu();
+
cede_latency_hint = 2;
get_lppaca()->idle = 1;
@@ -190,12 +193,12 @@ static void pseries_cpu_die(unsigned int cpu)
if (get_preferred_offline_state(cpu) == CPU_STATE_INACTIVE) {
cpu_status = 1;
- for (tries = 0; tries < 1000; tries++) {
+ for (tries = 0; tries < 5000; tries++) {
if (get_cpu_current_state(cpu) == CPU_STATE_INACTIVE) {
cpu_status = 0;
break;
}
- cpu_relax();
+ msleep(1);
}
} else if (get_preferred_offline_state(cpu) == CPU_STATE_OFFLINE) {
diff --git a/arch/powerpc/platforms/pseries/ras.c b/arch/powerpc/platforms/pseries/ras.c
index 41a3e9a..a4fc6da 100644
--- a/arch/powerpc/platforms/pseries/ras.c
+++ b/arch/powerpc/platforms/pseries/ras.c
@@ -61,7 +61,6 @@ static int ras_check_exception_token;
#define EPOW_SENSOR_TOKEN 9
#define EPOW_SENSOR_INDEX 0
-#define RAS_VECTOR_OFFSET 0x500
static irqreturn_t ras_epow_interrupt(int irq, void *dev_id);
static irqreturn_t ras_error_interrupt(int irq, void *dev_id);
@@ -121,7 +120,7 @@ static irqreturn_t ras_epow_interrupt(int irq, void *dev_id)
spin_lock(&ras_log_buf_lock);
status = rtas_call(ras_check_exception_token, 6, 1, NULL,
- RAS_VECTOR_OFFSET,
+ RTAS_VECTOR_EXTERNAL_INTERRUPT,
irq_map[irq].hwirq,
RTAS_EPOW_WARNING | RTAS_POWERMGM_EVENTS,
critical, __pa(&ras_log_buf),
@@ -156,7 +155,7 @@ static irqreturn_t ras_error_interrupt(int irq, void *dev_id)
spin_lock(&ras_log_buf_lock);
status = rtas_call(ras_check_exception_token, 6, 1, NULL,
- RAS_VECTOR_OFFSET,
+ RTAS_VECTOR_EXTERNAL_INTERRUPT,
irq_map[irq].hwirq,
RTAS_INTERNAL_ERROR, 1 /*Time Critical */,
__pa(&ras_log_buf),
diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c
index 1a58637..57ddbb4 100644
--- a/arch/powerpc/platforms/pseries/reconfig.c
+++ b/arch/powerpc/platforms/pseries/reconfig.c
@@ -118,12 +118,10 @@ static int pSeries_reconfig_add_node(const char *path, struct property *proplist
if (!np)
goto out_err;
- np->full_name = kmalloc(strlen(path) + 1, GFP_KERNEL);
+ np->full_name = kstrdup(path, GFP_KERNEL);
if (!np->full_name)
goto out_err;
- strcpy(np->full_name, path);
-
np->properties = proplist;
of_node_set_flag(np, OF_DYNAMIC);
kref_init(&np->kref);
diff --git a/arch/powerpc/platforms/pseries/suspend.c b/arch/powerpc/platforms/pseries/suspend.c
new file mode 100644
index 0000000..ed72098
--- /dev/null
+++ b/arch/powerpc/platforms/pseries/suspend.c
@@ -0,0 +1,214 @@
+/*
+ * Copyright (C) 2010 Brian King IBM Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/delay.h>
+#include <linux/suspend.h>
+#include <asm/firmware.h>
+#include <asm/hvcall.h>
+#include <asm/machdep.h>
+#include <asm/mmu.h>
+#include <asm/rtas.h>
+
+static u64 stream_id;
+static struct sys_device suspend_sysdev;
+static DECLARE_COMPLETION(suspend_work);
+static struct rtas_suspend_me_data suspend_data;
+static atomic_t suspending;
+
+/**
+ * pseries_suspend_begin - First phase of hibernation
+ *
+ * Check to ensure we are in a valid state to hibernate
+ *
+ * Return value:
+ * 0 on success / other on failure
+ **/
+static int pseries_suspend_begin(suspend_state_t state)
+{
+ long vasi_state, rc;
+ unsigned long retbuf[PLPAR_HCALL_BUFSIZE];
+
+ /* Make sure the state is valid */
+ rc = plpar_hcall(H_VASI_STATE, retbuf, stream_id);
+
+ vasi_state = retbuf[0];
+
+ if (rc) {
+ pr_err("pseries_suspend_begin: vasi_state returned %ld\n",rc);
+ return rc;
+ } else if (vasi_state == H_VASI_ENABLED) {
+ return -EAGAIN;
+ } else if (vasi_state != H_VASI_SUSPENDING) {
+ pr_err("pseries_suspend_begin: vasi_state returned state %ld\n",
+ vasi_state);
+ return -EIO;
+ }
+
+ return 0;
+}
+
+/**
+ * pseries_suspend_cpu - Suspend a single CPU
+ *
+ * Makes the H_JOIN call to suspend the CPU
+ *
+ **/
+static int pseries_suspend_cpu(void)
+{
+ if (atomic_read(&suspending))
+ return rtas_suspend_cpu(&suspend_data);
+ return 0;
+}
+
+/**
+ * pseries_suspend_enter - Final phase of hibernation
+ *
+ * Return value:
+ * 0 on success / other on failure
+ **/
+static int pseries_suspend_enter(suspend_state_t state)
+{
+ int rc = rtas_suspend_last_cpu(&suspend_data);
+
+ atomic_set(&suspending, 0);
+ atomic_set(&suspend_data.done, 1);
+ return rc;
+}
+
+/**
+ * pseries_prepare_late - Prepare to suspend all other CPUs
+ *
+ * Return value:
+ * 0 on success / other on failure
+ **/
+static int pseries_prepare_late(void)
+{
+ atomic_set(&suspending, 1);
+ atomic_set(&suspend_data.working, 0);
+ atomic_set(&suspend_data.done, 0);
+ atomic_set(&suspend_data.error, 0);
+ suspend_data.complete = &suspend_work;
+ INIT_COMPLETION(suspend_work);
+ return 0;
+}
+
+/**
+ * store_hibernate - Initiate partition hibernation
+ * @classdev: sysdev class struct
+ * @attr: class device attribute struct
+ * @buf: buffer
+ * @count: buffer size
+ *
+ * Write the stream ID received from the HMC to this file
+ * to trigger hibernating the partition
+ *
+ * Return value:
+ * number of bytes printed to buffer / other on failure
+ **/
+static ssize_t store_hibernate(struct sysdev_class *classdev,
+ struct sysdev_class_attribute *attr,
+ const char *buf, size_t count)
+{
+ int rc;
+
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+
+ stream_id = simple_strtoul(buf, NULL, 16);
+
+ do {
+ rc = pseries_suspend_begin(PM_SUSPEND_MEM);
+ if (rc == -EAGAIN)
+ ssleep(1);
+ } while (rc == -EAGAIN);
+
+ if (!rc)
+ rc = pm_suspend(PM_SUSPEND_MEM);
+
+ stream_id = 0;
+
+ if (!rc)
+ rc = count;
+ return rc;
+}
+
+static SYSDEV_CLASS_ATTR(hibernate, S_IWUSR, NULL, store_hibernate);
+
+static struct sysdev_class suspend_sysdev_class = {
+ .name = "power",
+};
+
+static struct platform_suspend_ops pseries_suspend_ops = {
+ .valid = suspend_valid_only_mem,
+ .begin = pseries_suspend_begin,
+ .prepare_late = pseries_prepare_late,
+ .enter = pseries_suspend_enter,
+};
+
+/**
+ * pseries_suspend_sysfs_register - Register with sysfs
+ *
+ * Return value:
+ * 0 on success / other on failure
+ **/
+static int pseries_suspend_sysfs_register(struct sys_device *sysdev)
+{
+ int rc;
+
+ if ((rc = sysdev_class_register(&suspend_sysdev_class)))
+ return rc;
+
+ sysdev->id = 0;
+ sysdev->cls = &suspend_sysdev_class;
+
+ if ((rc = sysdev_class_create_file(&suspend_sysdev_class, &attr_hibernate)))
+ goto class_unregister;
+
+ return 0;
+
+class_unregister:
+ sysdev_class_unregister(&suspend_sysdev_class);
+ return rc;
+}
+
+/**
+ * pseries_suspend_init - initcall for pSeries suspend
+ *
+ * Return value:
+ * 0 on success / other on failure
+ **/
+static int __init pseries_suspend_init(void)
+{
+ int rc;
+
+ if (!machine_is(pseries) || !firmware_has_feature(FW_FEATURE_LPAR))
+ return 0;
+
+ suspend_data.token = rtas_token("ibm,suspend-me");
+ if (suspend_data.token == RTAS_UNKNOWN_SERVICE)
+ return 0;
+
+ if ((rc = pseries_suspend_sysfs_register(&suspend_sysdev)))
+ return rc;
+
+ ppc_md.suspend_disable_cpu = pseries_suspend_cpu;
+ suspend_set_ops(&pseries_suspend_ops);
+ return 0;
+}
+
+__initcall(pseries_suspend_init);
diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index f19d194..5b22b07 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -549,8 +549,6 @@ static irqreturn_t xics_ipi_dispatch(int cpu)
{
unsigned long *tgt = &per_cpu(xics_ipi_message, cpu);
- WARN_ON(cpu_is_offline(cpu));
-
mb(); /* order mmio clearing qirr */
while (*tgt) {
if (test_and_clear_bit(PPC_MSG_CALL_FUNCTION, tgt)) {