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-rw-r--r--arch/powerpc/sysdev/Makefile6
-rw-r--r--arch/powerpc/sysdev/dart.h1
-rw-r--r--arch/powerpc/sysdev/dart_iommu.c42
-rw-r--r--arch/powerpc/sysdev/dcr-low.S (renamed from arch/powerpc/sysdev/dcr.S)0
-rw-r--r--arch/powerpc/sysdev/dcr.c137
-rw-r--r--arch/powerpc/sysdev/fsl_soc.c28
-rw-r--r--arch/powerpc/sysdev/i8259.c5
-rw-r--r--arch/powerpc/sysdev/ipic.c4
-rw-r--r--arch/powerpc/sysdev/mpic.c172
-rw-r--r--arch/powerpc/sysdev/qe_lib/qe.c6
-rw-r--r--arch/powerpc/sysdev/qe_lib/qe_ic.c40
-rw-r--r--arch/powerpc/sysdev/qe_lib/ucc.c2
-rw-r--r--arch/powerpc/sysdev/qe_lib/ucc_fast.c6
-rw-r--r--arch/powerpc/sysdev/qe_lib/ucc_slow.c6
-rw-r--r--arch/powerpc/sysdev/rom.c32
-rw-r--r--arch/powerpc/sysdev/todc.c392
-rw-r--r--arch/powerpc/sysdev/tsi108_dev.c4
-rw-r--r--arch/powerpc/sysdev/tsi108_pci.c48
18 files changed, 392 insertions, 539 deletions
diff --git a/arch/powerpc/sysdev/Makefile b/arch/powerpc/sysdev/Makefile
index 91f052d8cce..04d4917eb30 100644
--- a/arch/powerpc/sysdev/Makefile
+++ b/arch/powerpc/sysdev/Makefile
@@ -5,14 +5,14 @@ endif
obj-$(CONFIG_MPIC) += mpic.o
obj-$(CONFIG_PPC_INDIRECT_PCI) += indirect_pci.o
obj-$(CONFIG_PPC_MPC106) += grackle.o
-obj-$(CONFIG_BOOKE) += dcr.o
-obj-$(CONFIG_40x) += dcr.o
+obj-$(CONFIG_PPC_DCR) += dcr.o
+obj-$(CONFIG_PPC_DCR_NATIVE) += dcr-low.o
obj-$(CONFIG_U3_DART) += dart_iommu.o
obj-$(CONFIG_MMIO_NVRAM) += mmio_nvram.o
obj-$(CONFIG_FSL_SOC) += fsl_soc.o
-obj-$(CONFIG_PPC_TODC) += todc.o
obj-$(CONFIG_TSI108_BRIDGE) += tsi108_pci.o tsi108_dev.o
obj-$(CONFIG_QUICC_ENGINE) += qe_lib/
+obj-$(CONFIG_MTD) += rom.o
ifeq ($(CONFIG_PPC_MERGE),y)
obj-$(CONFIG_PPC_I8259) += i8259.o
diff --git a/arch/powerpc/sysdev/dart.h b/arch/powerpc/sysdev/dart.h
index 1c8817c4835..ff202edb059 100644
--- a/arch/powerpc/sysdev/dart.h
+++ b/arch/powerpc/sysdev/dart.h
@@ -72,7 +72,6 @@
#define DART_PAGE_SHIFT 12
#define DART_PAGE_SIZE (1 << DART_PAGE_SHIFT)
-#define DART_PAGE_FACTOR (PAGE_SHIFT - DART_PAGE_SHIFT)
#endif /* _POWERPC_SYSDEV_DART_H */
diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c
index 03b4477dd7f..1488535b0e1 100644
--- a/arch/powerpc/sysdev/dart_iommu.c
+++ b/arch/powerpc/sysdev/dart_iommu.c
@@ -48,9 +48,6 @@
#include "dart.h"
-extern int iommu_is_off;
-extern int iommu_force_on;
-
/* Physical base address and size of the DART table */
unsigned long dart_tablebase; /* exported to htab_initialize */
static unsigned long dart_tablesize;
@@ -156,9 +153,6 @@ static void dart_build(struct iommu_table *tbl, long index,
DBG("dart: build at: %lx, %lx, addr: %x\n", index, npages, uaddr);
- index <<= DART_PAGE_FACTOR;
- npages <<= DART_PAGE_FACTOR;
-
dp = ((unsigned int*)tbl->it_base) + index;
/* On U3, all memory is contigous, so we can move this
@@ -199,9 +193,6 @@ static void dart_free(struct iommu_table *tbl, long index, long npages)
DBG("dart: free at: %lx, %lx\n", index, npages);
- index <<= DART_PAGE_FACTOR;
- npages <<= DART_PAGE_FACTOR;
-
dp = ((unsigned int *)tbl->it_base) + index;
while (npages--)
@@ -281,7 +272,7 @@ static void iommu_table_dart_setup(void)
iommu_table_dart.it_busno = 0;
iommu_table_dart.it_offset = 0;
/* it_size is in number of entries */
- iommu_table_dart.it_size = (dart_tablesize / sizeof(u32)) >> DART_PAGE_FACTOR;
+ iommu_table_dart.it_size = dart_tablesize / sizeof(u32);
/* Initialize the common IOMMU code */
iommu_table_dart.it_base = (unsigned long)dart_vbase;
@@ -295,24 +286,15 @@ static void iommu_table_dart_setup(void)
set_bit(iommu_table_dart.it_size - 1, iommu_table_dart.it_map);
}
-static void iommu_dev_setup_dart(struct pci_dev *dev)
+static void pci_dma_dev_setup_dart(struct pci_dev *dev)
{
- struct device_node *dn;
-
/* We only have one iommu table on the mac for now, which makes
* things simple. Setup all PCI devices to point to this table
- *
- * We must use pci_device_to_OF_node() to make sure that
- * we get the real "final" pointer to the device in the
- * pci_dev sysdata and not the temporary PHB one
*/
- dn = pci_device_to_OF_node(dev);
-
- if (dn)
- PCI_DN(dn)->iommu_table = &iommu_table_dart;
+ dev->dev.archdata.dma_data = &iommu_table_dart;
}
-static void iommu_bus_setup_dart(struct pci_bus *bus)
+static void pci_dma_bus_setup_dart(struct pci_bus *bus)
{
struct device_node *dn;
@@ -327,9 +309,6 @@ static void iommu_bus_setup_dart(struct pci_bus *bus)
PCI_DN(dn)->iommu_table = &iommu_table_dart;
}
-static void iommu_dev_setup_null(struct pci_dev *dev) { }
-static void iommu_bus_setup_null(struct pci_bus *bus) { }
-
void iommu_init_early_dart(void)
{
struct device_node *dn;
@@ -350,22 +329,21 @@ void iommu_init_early_dart(void)
/* Initialize the DART HW */
if (dart_init(dn) == 0) {
- ppc_md.iommu_dev_setup = iommu_dev_setup_dart;
- ppc_md.iommu_bus_setup = iommu_bus_setup_dart;
+ ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_dart;
+ ppc_md.pci_dma_bus_setup = pci_dma_bus_setup_dart;
/* Setup pci_dma ops */
- pci_iommu_init();
-
+ pci_dma_ops = &dma_iommu_ops;
return;
}
bail:
/* If init failed, use direct iommu and null setup functions */
- ppc_md.iommu_dev_setup = iommu_dev_setup_null;
- ppc_md.iommu_bus_setup = iommu_bus_setup_null;
+ ppc_md.pci_dma_dev_setup = NULL;
+ ppc_md.pci_dma_bus_setup = NULL;
/* Setup pci_dma ops */
- pci_direct_iommu_init();
+ pci_dma_ops = &dma_direct_ops;
}
diff --git a/arch/powerpc/sysdev/dcr.S b/arch/powerpc/sysdev/dcr-low.S
index 2078f39e2f1..2078f39e2f1 100644
--- a/arch/powerpc/sysdev/dcr.S
+++ b/arch/powerpc/sysdev/dcr-low.S
diff --git a/arch/powerpc/sysdev/dcr.c b/arch/powerpc/sysdev/dcr.c
new file mode 100644
index 00000000000..dffeeaeca1d
--- /dev/null
+++ b/arch/powerpc/sysdev/dcr.c
@@ -0,0 +1,137 @@
+/*
+ * (c) Copyright 2006 Benjamin Herrenschmidt, IBM Corp.
+ * <benh@kernel.crashing.org>
+ *
+ * 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
+ */
+
+#undef DEBUG
+
+#include <linux/kernel.h>
+#include <asm/prom.h>
+#include <asm/dcr.h>
+
+unsigned int dcr_resource_start(struct device_node *np, unsigned int index)
+{
+ unsigned int ds;
+ const u32 *dr = get_property(np, "dcr-reg", &ds);
+
+ if (dr == NULL || ds & 1 || index >= (ds / 8))
+ return 0;
+
+ return dr[index * 2];
+}
+
+unsigned int dcr_resource_len(struct device_node *np, unsigned int index)
+{
+ unsigned int ds;
+ const u32 *dr = get_property(np, "dcr-reg", &ds);
+
+ if (dr == NULL || ds & 1 || index >= (ds / 8))
+ return 0;
+
+ return dr[index * 2 + 1];
+}
+
+#ifndef CONFIG_PPC_DCR_NATIVE
+
+static struct device_node * find_dcr_parent(struct device_node * node)
+{
+ struct device_node *par, *tmp;
+ const u32 *p;
+
+ for (par = of_node_get(node); par;) {
+ if (get_property(par, "dcr-controller", NULL))
+ break;
+ p = get_property(par, "dcr-parent", NULL);
+ tmp = par;
+ if (p == NULL)
+ par = of_get_parent(par);
+ else
+ par = of_find_node_by_phandle(*p);
+ of_node_put(tmp);
+ }
+ return par;
+}
+
+u64 of_translate_dcr_address(struct device_node *dev,
+ unsigned int dcr_n,
+ unsigned int *out_stride)
+{
+ struct device_node *dp;
+ const u32 *p;
+ unsigned int stride;
+ u64 ret;
+
+ dp = find_dcr_parent(dev);
+ if (dp == NULL)
+ return OF_BAD_ADDR;
+
+ /* Stride is not properly defined yet, default to 0x10 for Axon */
+ p = get_property(dp, "dcr-mmio-stride", NULL);
+ stride = (p == NULL) ? 0x10 : *p;
+
+ /* XXX FIXME: Which property name is to use of the 2 following ? */
+ p = get_property(dp, "dcr-mmio-range", NULL);
+ if (p == NULL)
+ p = get_property(dp, "dcr-mmio-space", NULL);
+ if (p == NULL)
+ return OF_BAD_ADDR;
+
+ /* Maybe could do some better range checking here */
+ ret = of_translate_address(dp, p);
+ if (ret != OF_BAD_ADDR)
+ ret += (u64)(stride) * (u64)dcr_n;
+ if (out_stride)
+ *out_stride = stride;
+ return ret;
+}
+
+dcr_host_t dcr_map(struct device_node *dev, unsigned int dcr_n,
+ unsigned int dcr_c)
+{
+ dcr_host_t ret = { .token = NULL, .stride = 0 };
+ u64 addr;
+
+ pr_debug("dcr_map(%s, 0x%x, 0x%x)\n",
+ dev->full_name, dcr_n, dcr_c);
+
+ addr = of_translate_dcr_address(dev, dcr_n, &ret.stride);
+ pr_debug("translates to addr: 0x%lx, stride: 0x%x\n",
+ addr, ret.stride);
+ if (addr == OF_BAD_ADDR)
+ return ret;
+ pr_debug("mapping 0x%x bytes\n", dcr_c * ret.stride);
+ ret.token = ioremap(addr, dcr_c * ret.stride);
+ if (ret.token == NULL)
+ return ret;
+ pr_debug("mapped at 0x%p -> base is 0x%p\n",
+ ret.token, ret.token - dcr_n * ret.stride);
+ ret.token -= dcr_n * ret.stride;
+ return ret;
+}
+
+void dcr_unmap(dcr_host_t host, unsigned int dcr_n, unsigned int dcr_c)
+{
+ dcr_host_t h = host;
+
+ if (h.token == NULL)
+ return;
+ h.token -= dcr_n * h.stride;
+ iounmap(h.token);
+ h.token = NULL;
+}
+
+#endif /* !defined(CONFIG_PPC_DCR_NATIVE) */
diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c
index dbe92ae2033..ad31e56e892 100644
--- a/arch/powerpc/sysdev/fsl_soc.c
+++ b/arch/powerpc/sysdev/fsl_soc.c
@@ -22,6 +22,7 @@
#include <linux/module.h>
#include <linux/device.h>
#include <linux/platform_device.h>
+#include <linux/phy.h>
#include <linux/fsl_devices.h>
#include <linux/fs_enet_pd.h>
#include <linux/fs_uart_pd.h>
@@ -146,7 +147,7 @@ static int __init gfar_mdio_of_init(void)
}
for (k = 0; k < 32; k++)
- mdio_data.irq[k] = -1;
+ mdio_data.irq[k] = PHY_POLL;
while ((child = of_get_next_child(np, child)) != NULL) {
int irq = irq_of_parse_and_map(child, 0);
@@ -177,6 +178,7 @@ static const char *gfar_tx_intr = "tx";
static const char *gfar_rx_intr = "rx";
static const char *gfar_err_intr = "error";
+
static int __init gfar_of_init(void)
{
struct device_node *np;
@@ -204,8 +206,7 @@ static int __init gfar_of_init(void)
if (ret)
goto err;
- r[1].start = r[1].end = irq_of_parse_and_map(np, 0);
- r[1].flags = IORESOURCE_IRQ;
+ of_irq_to_resource(np, 0, &r[1]);
model = get_property(np, "model", NULL);
@@ -214,12 +215,10 @@ static int __init gfar_of_init(void)
r[1].name = gfar_tx_intr;
r[2].name = gfar_rx_intr;
- r[2].start = r[2].end = irq_of_parse_and_map(np, 1);
- r[2].flags = IORESOURCE_IRQ;
+ of_irq_to_resource(np, 1, &r[2]);
r[3].name = gfar_err_intr;
- r[3].start = r[3].end = irq_of_parse_and_map(np, 2);
- r[3].flags = IORESOURCE_IRQ;
+ of_irq_to_resource(np, 2, &r[3]);
n_res += 2;
}
@@ -323,8 +322,7 @@ static int __init fsl_i2c_of_init(void)
if (ret)
goto err;
- r[1].start = r[1].end = irq_of_parse_and_map(np, 0);
- r[1].flags = IORESOURCE_IRQ;
+ of_irq_to_resource(np, 0, &r[1]);
i2c_dev = platform_device_register_simple("fsl-i2c", i, r, 2);
if (IS_ERR(i2c_dev)) {
@@ -459,8 +457,7 @@ static int __init fsl_usb_of_init(void)
if (ret)
goto err;
- r[1].start = r[1].end = irq_of_parse_and_map(np, 0);
- r[1].flags = IORESOURCE_IRQ;
+ of_irq_to_resource(np, 0, &r[1]);
usb_dev_mph =
platform_device_register_simple("fsl-ehci", i, r, 2);
@@ -507,8 +504,7 @@ static int __init fsl_usb_of_init(void)
if (ret)
goto unreg_mph;
- r[1].start = r[1].end = irq_of_parse_and_map(np, 0);
- r[1].flags = IORESOURCE_IRQ;
+ of_irq_to_resource(np, 0, &r[1]);
usb_dev_dr =
platform_device_register_simple("fsl-ehci", i, r, 2);
@@ -591,8 +587,7 @@ static int __init fs_enet_of_init(void)
r[2].name = fcc_regs_c;
fs_enet_data.fcc_regs_c = r[2].start;
- r[3].start = r[3].end = irq_of_parse_and_map(np, 0);
- r[3].flags = IORESOURCE_IRQ;
+ of_irq_to_resource(np, 0, &r[3]);
fs_enet_dev =
platform_device_register_simple("fsl-cpm-fcc", i, &r[0], 4);
@@ -754,8 +749,7 @@ static int __init cpm_uart_of_init(void)
goto err;
r[1].name = scc_pram;
- r[2].start = r[2].end = irq_of_parse_and_map(np, 0);
- r[2].flags = IORESOURCE_IRQ;
+ of_irq_to_resource(np, 0, &r[2]);
cpm_uart_dev =
platform_device_register_simple("fsl-cpm-scc:uart", i, &r[0], 3);
diff --git a/arch/powerpc/sysdev/i8259.c b/arch/powerpc/sysdev/i8259.c
index 0450265d73b..ad87adc975b 100644
--- a/arch/powerpc/sysdev/i8259.c
+++ b/arch/powerpc/sysdev/i8259.c
@@ -224,6 +224,11 @@ static struct irq_host_ops i8259_host_ops = {
.xlate = i8259_host_xlate,
};
+struct irq_host *i8259_get_host(void)
+{
+ return i8259_host;
+}
+
/**
* i8259_init - Initialize the legacy controller
* @node: device node of the legacy PIC (can be NULL, but then, it will match
diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c
index bc4d4a7f965..746f78c1537 100644
--- a/arch/powerpc/sysdev/ipic.c
+++ b/arch/powerpc/sysdev/ipic.c
@@ -473,9 +473,9 @@ static int ipic_set_irq_type(unsigned int virq, unsigned int flow_type)
desc->status |= flow_type & IRQ_TYPE_SENSE_MASK;
if (flow_type & IRQ_TYPE_LEVEL_LOW) {
desc->status |= IRQ_LEVEL;
- set_irq_handler(virq, handle_level_irq);
+ desc->handle_irq = handle_level_irq;
} else {
- set_irq_handler(virq, handle_edge_irq);
+ desc->handle_irq = handle_edge_irq;
}
/* only EXT IRQ senses are programmable on ipic
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index ba4833f57d4..411480d5c62 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -147,33 +147,51 @@ static u32 mpic_infos[][MPIC_IDX_END] = {
*/
-static inline u32 _mpic_read(unsigned int be, volatile u32 __iomem *base,
- unsigned int reg)
+static inline u32 _mpic_read(enum mpic_reg_type type,
+ struct mpic_reg_bank *rb,
+ unsigned int reg)
{
- if (be)
- return in_be32(base + (reg >> 2));
- else
- return in_le32(base + (reg >> 2));
+ switch(type) {
+#ifdef CONFIG_PPC_DCR
+ case mpic_access_dcr:
+ return dcr_read(rb->dhost,
+ rb->dbase + reg + rb->doff);
+#endif
+ case mpic_access_mmio_be:
+ return in_be32(rb->base + (reg >> 2));
+ case mpic_access_mmio_le:
+ default:
+ return in_le32(rb->base + (reg >> 2));
+ }
}
-static inline void _mpic_write(unsigned int be, volatile u32 __iomem *base,
- unsigned int reg, u32 value)
+static inline void _mpic_write(enum mpic_reg_type type,
+ struct mpic_reg_bank *rb,
+ unsigned int reg, u32 value)
{
- if (be)
- out_be32(base + (reg >> 2), value);
- else
- out_le32(base + (reg >> 2), value);
+ switch(type) {
+#ifdef CONFIG_PPC_DCR
+ case mpic_access_dcr:
+ return dcr_write(rb->dhost,
+ rb->dbase + reg + rb->doff, value);
+#endif
+ case mpic_access_mmio_be:
+ return out_be32(rb->base + (reg >> 2), value);
+ case mpic_access_mmio_le:
+ default:
+ return out_le32(rb->base + (reg >> 2), value);
+ }
}
static inline u32 _mpic_ipi_read(struct mpic *mpic, unsigned int ipi)
{
- unsigned int be = (mpic->flags & MPIC_BIG_ENDIAN) != 0;
+ enum mpic_reg_type type = mpic->reg_type;
unsigned int offset = MPIC_INFO(GREG_IPI_VECTOR_PRI_0) +
(ipi * MPIC_INFO(GREG_IPI_STRIDE));
- if (mpic->flags & MPIC_BROKEN_IPI)
- be = !be;
- return _mpic_read(be, mpic->gregs, offset);
+ if ((mpic->flags & MPIC_BROKEN_IPI) && type == mpic_access_mmio_le)
+ type = mpic_access_mmio_be;
+ return _mpic_read(type, &mpic->gregs, offset);
}
static inline void _mpic_ipi_write(struct mpic *mpic, unsigned int ipi, u32 value)
@@ -181,7 +199,7 @@ static inline void _mpic_ipi_write(struct mpic *mpic, unsigned int ipi, u32 valu
unsigned int offset = MPIC_INFO(GREG_IPI_VECTOR_PRI_0) +
(ipi * MPIC_INFO(GREG_IPI_STRIDE));
- _mpic_write(mpic->flags & MPIC_BIG_ENDIAN, mpic->gregs, offset, value);
+ _mpic_write(mpic->reg_type, &mpic->gregs, offset, value);
}
static inline u32 _mpic_cpu_read(struct mpic *mpic, unsigned int reg)
@@ -190,8 +208,7 @@ static inline u32 _mpic_cpu_read(struct mpic *mpic, unsigned int reg)
if (mpic->flags & MPIC_PRIMARY)
cpu = hard_smp_processor_id();
- return _mpic_read(mpic->flags & MPIC_BIG_ENDIAN,
- mpic->cpuregs[cpu], reg);
+ return _mpic_read(mpic->reg_type, &mpic->cpuregs[cpu], reg);
}
static inline void _mpic_cpu_write(struct mpic *mpic, unsigned int reg, u32 value)
@@ -201,7 +218,7 @@ static inline void _mpic_cpu_write(struct mpic *mpic, unsigned int reg, u32 valu
if (mpic->flags & MPIC_PRIMARY)
cpu = hard_smp_processor_id();
- _mpic_write(mpic->flags & MPIC_BIG_ENDIAN, mpic->cpuregs[cpu], reg, value);
+ _mpic_write(mpic->reg_type, &mpic->cpuregs[cpu], reg, value);
}
static inline u32 _mpic_irq_read(struct mpic *mpic, unsigned int src_no, unsigned int reg)
@@ -209,7 +226,7 @@ static inline u32 _mpic_irq_read(struct mpic *mpic, unsigned int src_no, unsigne
unsigned int isu = src_no >> mpic->isu_shift;
unsigned int idx = src_no & mpic->isu_mask;
- return _mpic_read(mpic->flags & MPIC_BIG_ENDIAN, mpic->isus[isu],
+ return _mpic_read(mpic->reg_type, &mpic->isus[isu],
reg + (idx * MPIC_INFO(IRQ_STRIDE)));
}
@@ -219,12 +236,12 @@ static inline void _mpic_irq_write(struct mpic *mpic, unsigned int src_no,
unsigned int isu = src_no >> mpic->isu_shift;
unsigned int idx = src_no & mpic->isu_mask;
- _mpic_write(mpic->flags & MPIC_BIG_ENDIAN, mpic->isus[isu],
+ _mpic_write(mpic->reg_type, &mpic->isus[isu],
reg + (idx * MPIC_INFO(IRQ_STRIDE)), value);
}
-#define mpic_read(b,r) _mpic_read(mpic->flags & MPIC_BIG_ENDIAN,(b),(r))
-#define mpic_write(b,r,v) _mpic_write(mpic->flags & MPIC_BIG_ENDIAN,(b),(r),(v))
+#define mpic_read(b,r) _mpic_read(mpic->reg_type,&(b),(r))
+#define mpic_write(b,r,v) _mpic_write(mpic->reg_type,&(b),(r),(v))
#define mpic_ipi_read(i) _mpic_ipi_read(mpic,(i))
#define mpic_ipi_write(i,v) _mpic_ipi_write(mpic,(i),(v))
#define mpic_cpu_read(i) _mpic_cpu_read(mpic,(i))
@@ -238,6 +255,38 @@ static inline void _mpic_irq_write(struct mpic *mpic, unsigned int src_no,
*/
+static void _mpic_map_mmio(struct mpic *mpic, unsigned long phys_addr,
+ struct mpic_reg_bank *rb, unsigned int offset,
+ unsigned int size)
+{
+ rb->base = ioremap(phys_addr + offset, size);
+ BUG_ON(rb->base == NULL);
+}
+
+#ifdef CONFIG_PPC_DCR
+static void _mpic_map_dcr(struct mpic *mpic, struct mpic_reg_bank *rb,
+ unsigned int offset, unsigned int size)
+{
+ rb->dbase = mpic->dcr_base;
+ rb->doff = offset;
+ rb->dhost = dcr_map(mpic->of_node, rb->dbase + rb->doff, size);
+ BUG_ON(!DCR_MAP_OK(rb->dhost));
+}
+
+static inline void mpic_map(struct mpic *mpic, unsigned long phys_addr,
+ struct mpic_reg_bank *rb, unsigned int offset,
+ unsigned int size)
+{
+ if (mpic->flags & MPIC_USES_DCR)
+ _mpic_map_dcr(mpic, rb, offset, size);
+ else
+ _mpic_map_mmio(mpic, phys_addr, rb, offset, size);
+}
+#else /* CONFIG_PPC_DCR */
+#define mpic_map(m,p,b,o,s) _mpic_map_mmio(m,p,b,o,s)
+#endif /* !CONFIG_PPC_DCR */
+
+
/* Check if we have one of those nice broken MPICs with a flipped endian on
* reads from IPI registers
@@ -845,7 +894,7 @@ static struct irq_host_ops mpic_host_ops = {
*/
struct mpic * __init mpic_alloc(struct device_node *node,
- unsigned long phys_addr,
+ phys_addr_t phys_addr,
unsigned int flags,
unsigned int isu_size,
unsigned int irq_count,
@@ -855,6 +904,7 @@ struct mpic * __init mpic_alloc(struct device_node *node,
u32 reg;
const char *vers;
int i;
+ u64 paddr = phys_addr;
mpic = alloc_bootmem(sizeof(struct mpic));
if (mpic == NULL)
@@ -883,6 +933,7 @@ struct mpic * __init mpic_alloc(struct device_node *node,
if (flags & MPIC_PRIMARY)
mpic->hc_ht_irq.set_affinity = mpic_set_affinity;
#endif /* CONFIG_MPIC_BROKEN_U3 */
+
#ifdef CONFIG_SMP
mpic->hc_ipi = mpic_ipi_chip;
mpic->hc_ipi.typename = name;
@@ -893,15 +944,52 @@ struct mpic * __init mpic_alloc(struct device_node *node,
mpic->irq_count = irq_count;
mpic->num_sources = 0; /* so far */
+ /* Check for "big-endian" in device-tree */
+ if (node && get_property(node, "big-endian", NULL) != NULL)
+ mpic->flags |= MPIC_BIG_ENDIAN;
+
+
#ifdef CONFIG_MPIC_WEIRD
mpic->hw_set = mpic_infos[MPIC_GET_REGSET(flags)];
#endif
+ /* default register type */
+ mpic->reg_type = (flags & MPIC_BIG_ENDIAN) ?
+ mpic_access_mmio_be : mpic_access_mmio_le;
+
+ /* If no physical address is passed in, a device-node is mandatory */
+ BUG_ON(paddr == 0 && node == NULL);
+
+ /* If no physical address passed in, check if it's dcr based */
+ if (paddr == 0 && get_property(node, "dcr-reg", NULL) != NULL)
+ mpic->flags |= MPIC_USES_DCR;
+
+#ifdef CONFIG_PPC_DCR
+ if (mpic->flags & MPIC_USES_DCR) {
+ const u32 *dbasep;
+ dbasep = get_property(node, "dcr-reg", NULL);
+ BUG_ON(dbasep == NULL);
+ mpic->dcr_base = *dbasep;
+ mpic->reg_type = mpic_access_dcr;
+ }
+#else
+ BUG_ON (mpic->flags & MPIC_USES_DCR);
+#endif /* CONFIG_PPC_DCR */
+
+ /* If the MPIC is not DCR based, and no physical address was passed
+ * in, try to obtain one
+ */
+ if (paddr == 0 && !(mpic->flags & MPIC_USES_DCR)) {
+ const u32 *reg;
+ reg = get_property(node, "reg", NULL);
+ BUG_ON(reg == NULL);
+ paddr = of_translate_address(node, reg);
+ BUG_ON(paddr == OF_BAD_ADDR);
+ }
+
/* Map the global registers */
- mpic->gregs = ioremap(phys_addr + MPIC_INFO(GREG_BASE), 0x1000);
- mpic->tmregs = mpic->gregs +
- ((MPIC_INFO(TIMER_BASE) - MPIC_INFO(GREG_BASE)) >> 2);
- BUG_ON(mpic->gregs == NULL);
+ mpic_map(mpic, paddr, &mpic->gregs, MPIC_INFO(GREG_BASE), 0x1000);
+ mpic_map(mpic, paddr, &mpic->tmregs, MPIC_INFO(TIMER_BASE), 0x1000);
/* Reset */
if (flags & MPIC_WANTS_RESET) {
@@ -926,17 +1014,16 @@ struct mpic * __init mpic_alloc(struct device_node *node,
/* Map the per-CPU registers */
for (i = 0; i < mpic->num_cpus; i++) {
- mpic->cpuregs[i] = ioremap(phys_addr + MPIC_INFO(CPU_BASE) +
- i * MPIC_INFO(CPU_STRIDE), 0x1000);
- BUG_ON(mpic->cpuregs[i] == NULL);
+ mpic_map(mpic, paddr, &mpic->cpuregs[i],
+ MPIC_INFO(CPU_BASE) + i * MPIC_INFO(CPU_STRIDE),
+ 0x1000);
}
/* Initialize main ISU if none provided */
if (mpic->isu_size == 0) {
mpic->isu_size = mpic->num_sources;
- mpic->isus[0] = ioremap(phys_addr + MPIC_INFO(IRQ_BASE),
- MPIC_INFO(IRQ_STRIDE) * mpic->isu_size);
- BUG_ON(mpic->isus[0] == NULL);
+ mpic_map(mpic, paddr, &mpic->isus[0],
+ MPIC_INFO(IRQ_BASE), MPIC_INFO(IRQ_STRIDE) * mpic->isu_size);
}
mpic->isu_shift = 1 + __ilog2(mpic->isu_size - 1);
mpic->isu_mask = (1 << mpic->isu_shift) - 1;
@@ -956,10 +1043,11 @@ struct mpic * __init mpic_alloc(struct device_node *node,
vers = "<unknown>";
break;
}
- printk(KERN_INFO "mpic: Setting up MPIC \"%s\" version %s at %lx, max %d CPUs\n",
- name, vers, phys_addr, mpic->num_cpus);
- printk(KERN_INFO "mpic: ISU size: %d, shift: %d, mask: %x\n", mpic->isu_size,
- mpic->isu_shift, mpic->isu_mask);
+ printk(KERN_INFO "mpic: Setting up MPIC \"%s\" version %s at %llx,"
+ " max %d CPUs\n",
+ name, vers, (unsigned long long)paddr, mpic->num_cpus);
+ printk(KERN_INFO "mpic: ISU size: %d, shift: %d, mask: %x\n",
+ mpic->isu_size, mpic->isu_shift, mpic->isu_mask);
mpic->next = mpics;
mpics = mpic;
@@ -973,14 +1061,14 @@ struct mpic * __init mpic_alloc(struct device_node *node,
}
void __init mpic_assign_isu(struct mpic *mpic, unsigned int isu_num,
- unsigned long phys_addr)
+ phys_addr_t paddr)
{
unsigned int isu_first = isu_num * mpic->isu_size;
BUG_ON(isu_num >= MPIC_MAX_ISU);
- mpic->isus[isu_num] = ioremap(phys_addr,
- MPIC_INFO(IRQ_STRIDE) * mpic->isu_size);
+ mpic_map(mpic, paddr, &mpic->isus[isu_num], 0,
+ MPIC_INFO(IRQ_STRIDE) * mpic->isu_size);
if ((isu_first + mpic->isu_size) > mpic->num_sources)
mpic->num_sources = isu_first + mpic->isu_size;
}
diff --git a/arch/powerpc/sysdev/qe_lib/qe.c b/arch/powerpc/sysdev/qe_lib/qe.c
index 2bae632d3ad..e3d71e083f3 100644
--- a/arch/powerpc/sysdev/qe_lib/qe.c
+++ b/arch/powerpc/sysdev/qe_lib/qe.c
@@ -122,8 +122,7 @@ int qe_issue_cmd(u32 cmd, u32 device, u8 mcn_protocol, u32 cmd_input)
mcn_shift = QE_CR_MCN_NORMAL_SHIFT;
}
- out_be32(&qe_immr->cp.cecdr,
- immrbar_virt_to_phys((void *)cmd_input));
+ out_be32(&qe_immr->cp.cecdr, cmd_input);
out_be32(&qe_immr->cp.cecr,
(cmd | QE_CR_FLG | ((u32) device << dev_shift) | (u32)
mcn_protocol << mcn_shift));
@@ -175,8 +174,7 @@ void qe_setbrg(u32 brg, u32 rate)
u32 divisor, tempval;
int div16 = 0;
- bp = &qe_immr->brg.brgc1;
- bp += brg;
+ bp = &qe_immr->brg.brgc[brg];
divisor = (get_brg_clk() / rate);
if (divisor > QE_BRGC_DIVISOR_MAX + 1) {
diff --git a/arch/powerpc/sysdev/qe_lib/qe_ic.c b/arch/powerpc/sysdev/qe_lib/qe_ic.c
index 6995f51b948..74e48d94f27 100644
--- a/arch/powerpc/sysdev/qe_lib/qe_ic.c
+++ b/arch/powerpc/sysdev/qe_lib/qe_ic.c
@@ -223,23 +223,15 @@ static void qe_ic_mask_irq(unsigned int virq)
qe_ic_write(qe_ic->regs, qe_ic_info[src].mask_reg,
temp & ~qe_ic_info[src].mask);
- spin_unlock_irqrestore(&qe_ic_lock, flags);
-}
-
-static void qe_ic_mask_irq_and_ack(unsigned int virq)
-{
- struct qe_ic *qe_ic = qe_ic_from_irq(virq);
- unsigned int src = virq_to_hw(virq);
- unsigned long flags;
- u32 temp;
-
- spin_lock_irqsave(&qe_ic_lock, flags);
-
- temp = qe_ic_read(qe_ic->regs, qe_ic_info[src].mask_reg);
- qe_ic_write(qe_ic->regs, qe_ic_info[src].mask_reg,
- temp & ~qe_ic_info[src].mask);
-
- /* There is nothing to do for ack here, ack is handled in ISR */
+ /* Flush the above write before enabling interrupts; otherwise,
+ * spurious interrupts will sometimes happen. To be 100% sure
+ * that the write has reached the device before interrupts are
+ * enabled, the mask register would have to be read back; however,
+ * this is not required for correctness, only to avoid wasting
+ * time on a large number of spurious interrupts. In testing,
+ * a sync reduced the observed spurious interrupts to zero.
+ */
+ mb();
spin_unlock_irqrestore(&qe_ic_lock, flags);
}
@@ -248,7 +240,7 @@ static struct irq_chip qe_ic_irq_chip = {
.typename = " QEIC ",
.unmask = qe_ic_unmask_irq,
.mask = qe_ic_mask_irq,
- .mask_ack = qe_ic_mask_irq_and_ack,
+ .mask_ack = qe_ic_mask_irq,
};
static int qe_ic_host_match(struct irq_host *h, struct device_node *node)
@@ -331,34 +323,22 @@ unsigned int qe_ic_get_high_irq(struct qe_ic *qe_ic)
return irq_linear_revmap(qe_ic->irqhost, irq);
}
-/* FIXME: We mask all the QE Low interrupts while handling. We should
- * let other interrupt come in, but BAD interrupts are generated */
void fastcall qe_ic_cascade_low(unsigned int irq, struct irq_desc *desc)
{
struct qe_ic *qe_ic = desc->handler_data;
- struct irq_chip *chip = irq_desc[irq].chip;
-
unsigned int cascade_irq = qe_ic_get_low_irq(qe_ic);
- chip->mask_ack(irq);
if (cascade_irq != NO_IRQ)
generic_handle_irq(cascade_irq);
- chip->unmask(irq);
}
-/* FIXME: We mask all the QE High interrupts while handling. We should
- * let other interrupt come in, but BAD interrupts are generated */
void fastcall qe_ic_cascade_high(unsigned int irq, struct irq_desc *desc)
{
struct qe_ic *qe_ic = desc->handler_data;
- struct irq_chip *chip = irq_desc[irq].chip;
-
unsigned int cascade_irq = qe_ic_get_high_irq(qe_ic);
- chip->mask_ack(irq);
if (cascade_irq != NO_IRQ)
generic_handle_irq(cascade_irq);
- chip->unmask(irq);
}
void __init qe_ic_init(struct device_node *node, unsigned int flags)
diff --git a/arch/powerpc/sysdev/qe_lib/ucc.c b/arch/powerpc/sysdev/qe_lib/ucc.c
index 916c9e5df57..ac12a44d516 100644
--- a/arch/powerpc/sysdev/qe_lib/ucc.c
+++ b/arch/powerpc/sysdev/qe_lib/ucc.c
@@ -207,6 +207,7 @@ int ucc_set_qe_mux_rxtx(int ucc_num, enum qe_clock clock, enum comm_dir mode)
case QE_CLK18: source = 8; break;
case QE_CLK7: source = 9; break;
case QE_CLK8: source = 10; break;
+ case QE_CLK16: source = 11; break;
default: source = -1; break;
}
break;
@@ -222,6 +223,7 @@ int ucc_set_qe_mux_rxtx(int ucc_num, enum qe_clock clock, enum comm_dir mode)
case QE_CLK22: source = 8; break;
case QE_CLK7: source = 9; break;
case QE_CLK8: source = 10; break;
+ case QE_CLK16: source = 11; break;
default: source = -1; break;
}
break;
diff --git a/arch/powerpc/sysdev/qe_lib/ucc_fast.c b/arch/powerpc/sysdev/qe_lib/ucc_fast.c
index c2be7348fcb..e657559bea9 100644
--- a/arch/powerpc/sysdev/qe_lib/ucc_fast.c
+++ b/arch/powerpc/sysdev/qe_lib/ucc_fast.c
@@ -163,7 +163,7 @@ int ucc_fast_init(struct ucc_fast_info * uf_info, struct ucc_fast_private ** ucc
/* check if the UCC port number is in range. */
if ((uf_info->ucc_num < 0) || (uf_info->ucc_num > UCC_MAX_NUM - 1)) {
- uccf_err("ucc_fast_init: Illagal UCC number!");
+ uccf_err("ucc_fast_init: Illegal UCC number!");
return -EINVAL;
}
@@ -216,14 +216,12 @@ int ucc_fast_init(struct ucc_fast_info * uf_info, struct ucc_fast_private ** ucc
return -EINVAL;
}
- uccf = (struct ucc_fast_private *)
- kmalloc(sizeof(struct ucc_fast_private), GFP_KERNEL);
+ uccf = kzalloc(sizeof(struct ucc_fast_private), GFP_KERNEL);
if (!uccf) {
uccf_err
("ucc_fast_init: No memory for UCC slow data structure!");
return -ENOMEM;
}
- memset(uccf, 0, sizeof(struct ucc_fast_private));
/* Fill fast UCC structure */
uccf->uf_info = uf_info;
diff --git a/arch/powerpc/sysdev/qe_lib/ucc_slow.c b/arch/powerpc/sysdev/qe_lib/ucc_slow.c
index 1fb88ef7cf0..47b56203f47 100644
--- a/arch/powerpc/sysdev/qe_lib/ucc_slow.c
+++ b/arch/powerpc/sysdev/qe_lib/ucc_slow.c
@@ -152,7 +152,7 @@ int ucc_slow_init(struct ucc_slow_info * us_info, struct ucc_slow_private ** ucc
/* check if the UCC port number is in range. */
if ((us_info->ucc_num < 0) || (us_info->ucc_num > UCC_MAX_NUM - 1)) {
- uccs_err("ucc_slow_init: Illagal UCC number!");
+ uccs_err("ucc_slow_init: Illegal UCC number!");
return -EINVAL;
}
@@ -168,14 +168,12 @@ int ucc_slow_init(struct ucc_slow_info * us_info, struct ucc_slow_private ** ucc
return -EINVAL;
}
- uccs = (struct ucc_slow_private *)
- kmalloc(sizeof(struct ucc_slow_private), GFP_KERNEL);
+ uccs = kzalloc(sizeof(struct ucc_slow_private), GFP_KERNEL);
if (!uccs) {
uccs_err
("ucc_slow_init: No memory for UCC slow data structure!");
return -ENOMEM;
}
- memset(uccs, 0, sizeof(struct ucc_slow_private));
/* Fill slow UCC structure */
uccs->us_info = us_info;
diff --git a/arch/powerpc/sysdev/rom.c b/arch/powerpc/sysdev/rom.c
new file mode 100644
index 00000000000..c855a3b298a
--- /dev/null
+++ b/arch/powerpc/sysdev/rom.c
@@ -0,0 +1,32 @@
+/*
+ * ROM device registration
+ *
+ * (C) 2006 MontaVista Software, 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/kernel.h>
+#include <asm/of_device.h>
+#include <asm/of_platform.h>
+
+static int __init powerpc_flash_init(void)
+{
+ struct device_node *node = NULL;
+
+ /*
+ * Register all the devices which type is "rom"
+ */
+ while ((node = of_find_node_by_type(node, "rom")) != NULL) {
+ if (node->name == NULL) {
+ printk(KERN_WARNING "powerpc_flash_init: found 'rom' "
+ "device, but with no name, skipping...\n");
+ continue;
+ }
+ of_platform_device_create(node, node->name, NULL);
+ }
+ return 0;
+}
+
+arch_initcall(powerpc_flash_init);
diff --git a/arch/powerpc/sysdev/todc.c b/arch/powerpc/sysdev/todc.c
deleted file mode 100644
index 0a65980efb5..00000000000
--- a/arch/powerpc/sysdev/todc.c
+++ /dev/null
@@ -1,392 +0,0 @@
-/*
- * Time of Day Clock support for the M48T35, M48T37, M48T59, and MC146818
- * Real Time Clocks/Timekeepers.
- *
- * Author: Mark A. Greer <mgreer@mvista.com>
- *
- * 2001-2004 (c) MontaVista, Software, 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/errno.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/time.h>
-#include <linux/timex.h>
-#include <linux/bcd.h>
-#include <linux/mc146818rtc.h>
-
-#include <asm/machdep.h>
-#include <asm/io.h>
-#include <asm/time.h>
-#include <asm/todc.h>
-
-/*
- * Depending on the hardware on your board and your board design, the
- * RTC/NVRAM may be accessed either directly (like normal memory) or via
- * address/data registers. If your board uses the direct method, set
- * 'nvram_data' to the base address of your nvram and leave 'nvram_as0' and
- * 'nvram_as1' NULL. If your board uses address/data regs to access nvram,
- * set 'nvram_as0' to the address of the lower byte, set 'nvram_as1' to the
- * address of the upper byte (leave NULL if using mc146818), and set
- * 'nvram_data' to the address of the 8-bit data register.
- *
- * Note: Even though the documentation for the various RTC chips say that it
- * take up to a second before it starts updating once the 'R' bit is
- * cleared, they always seem to update even though we bang on it many
- * times a second. This is true, except for the Dallas Semi 1746/1747
- * (possibly others). Those chips seem to have a real problem whenever
- * we set the 'R' bit before reading them, they basically stop counting.
- * --MAG
- */
-
-/*
- * 'todc_info' should be initialized in your *_setup.c file to
- * point to a fully initialized 'todc_info_t' structure.
- * This structure holds all the register offsets for your particular
- * TODC/RTC chip.
- * TODC_ALLOC()/TODC_INIT() will allocate and initialize this table for you.
- */
-
-#ifdef RTC_FREQ_SELECT
-#undef RTC_FREQ_SELECT
-#define RTC_FREQ_SELECT control_b /* Register A */
-#endif
-
-#ifdef RTC_CONTROL
-#undef RTC_CONTROL
-#define RTC_CONTROL control_a /* Register B */
-#endif
-
-#ifdef RTC_INTR_FLAGS
-#undef RTC_INTR_FLAGS
-#define RTC_INTR_FLAGS watchdog /* Register C */
-#endif
-
-#ifdef RTC_VALID
-#undef RTC_VALID
-#define RTC_VALID interrupts /* Register D */
-#endif
-
-/* Access routines when RTC accessed directly (like normal memory) */
-u_char
-todc_direct_read_val(int addr)
-{
- return readb((void __iomem *)(todc_info->nvram_data + addr));
-}
-
-void
-todc_direct_write_val(int addr, unsigned char val)
-{
- writeb(val, (void __iomem *)(todc_info->nvram_data + addr));
- return;
-}
-
-/* Access routines for accessing m48txx type chips via addr/data regs */
-u_char
-todc_m48txx_read_val(int addr)
-{
- outb(addr, todc_info->nvram_as0);
- outb(addr>>todc_info->as0_bits, todc_info->nvram_as1);
- return inb(todc_info->nvram_data);
-}
-
-void
-todc_m48txx_write_val(int addr, unsigned char val)
-{
- outb(addr, todc_info->nvram_as0);
- outb(addr>>todc_info->as0_bits, todc_info->nvram_as1);
- outb(val, todc_info->nvram_data);
- return;
-}
-
-/* Access routines for accessing mc146818 type chips via addr/data regs */
-u_char
-todc_mc146818_read_val(int addr)
-{
- outb_p(addr, todc_info->nvram_as0);
- return inb_p(todc_info->nvram_data);
-}
-
-void
-todc_mc146818_write_val(int addr, unsigned char val)
-{
- outb_p(addr, todc_info->nvram_as0);
- outb_p(val, todc_info->nvram_data);
-}
-
-
-/*
- * Routines to make RTC chips with NVRAM buried behind an addr/data pair
- * have the NVRAM and clock regs appear at the same level.
- * The NVRAM will appear to start at addr 0 and the clock regs will appear
- * to start immediately after the NVRAM (actually, start at offset
- * todc_info->nvram_size).
- */
-static inline u_char
-todc_read_val(int addr)
-{
- u_char val;
-
- if (todc_info->sw_flags & TODC_FLAG_2_LEVEL_NVRAM) {
- if (addr < todc_info->nvram_size) { /* NVRAM */
- ppc_md.rtc_write_val(todc_info->nvram_addr_reg, addr);
- val = ppc_md.rtc_read_val(todc_info->nvram_data_reg);
- } else { /* Clock Reg */
- addr -= todc_info->nvram_size;
- val = ppc_md.rtc_read_val(addr);
- }
- } else
- val = ppc_md.rtc_read_val(addr);
-
- return val;
-}
-
-static inline void
-todc_write_val(int addr, u_char val)
-{
- if (todc_info->sw_flags & TODC_FLAG_2_LEVEL_NVRAM) {
- if (addr < todc_info->nvram_size) { /* NVRAM */
- ppc_md.rtc_write_val(todc_info->nvram_addr_reg, addr);
- ppc_md.rtc_write_val(todc_info->nvram_data_reg, val);
- } else { /* Clock Reg */
- addr -= todc_info->nvram_size;
- ppc_md.rtc_write_val(addr, val);
- }
- } else
- ppc_md.rtc_write_val(addr, val);
-}
-
-/*
- * TODC routines
- *
- * There is some ugly stuff in that there are assumptions for the mc146818.
- *
- * Assumptions:
- * - todc_info->control_a has the offset as mc146818 Register B reg
- * - todc_info->control_b has the offset as mc146818 Register A reg
- * - m48txx control reg's write enable or 'W' bit is same as
- * mc146818 Register B 'SET' bit (i.e., 0x80)
- *
- * These assumptions were made to make the code simpler.
- */
-long __init
-todc_time_init(void)
-{
- u_char cntl_b;
-
- if (!ppc_md.rtc_read_val)
- ppc_md.rtc_read_val = ppc_md.nvram_read_val;
- if (!ppc_md.rtc_write_val)
- ppc_md.rtc_write_val = ppc_md.nvram_write_val;
-
- cntl_b = todc_read_val(todc_info->control_b);
-
- if (todc_info->rtc_type == TODC_TYPE_MC146818) {
- if ((cntl_b & 0x70) != 0x20) {
- printk(KERN_INFO "TODC real-time-clock was stopped."
- " Now starting...");
- cntl_b &= ~0x70;
- cntl_b |= 0x20;
- }
-
- todc_write_val(todc_info->control_b, cntl_b);
- } else if (todc_info->rtc_type == TODC_TYPE_DS17285) {
- u_char mode;
-
- mode = todc_read_val(TODC_TYPE_DS17285_CNTL_A);
- /* Make sure countdown clear is not set */
- mode &= ~0x40;
- /* Enable oscillator, extended register set */
- mode |= 0x30;
- todc_write_val(TODC_TYPE_DS17285_CNTL_A, mode);
-
- } else if (todc_info->rtc_type == TODC_TYPE_DS1501) {
- u_char month;
-
- todc_info->enable_read = TODC_DS1501_CNTL_B_TE;
- todc_info->enable_write = TODC_DS1501_CNTL_B_TE;
-
- month = todc_read_val(todc_info->month);
-
- if ((month & 0x80) == 0x80) {
- printk(KERN_INFO "TODC %s %s\n",
- "real-time-clock was stopped.",
- "Now starting...");
- month &= ~0x80;
- todc_write_val(todc_info->month, month);
- }
-
- cntl_b &= ~TODC_DS1501_CNTL_B_TE;
- todc_write_val(todc_info->control_b, cntl_b);
- } else { /* must be a m48txx type */
- u_char cntl_a;
-
- todc_info->enable_read = TODC_MK48TXX_CNTL_A_R;
- todc_info->enable_write = TODC_MK48TXX_CNTL_A_W;
-
- cntl_a = todc_read_val(todc_info->control_a);
-
- /* Check & clear STOP bit in control B register */
- if (cntl_b & TODC_MK48TXX_DAY_CB) {
- printk(KERN_INFO "TODC %s %s\n",
- "real-time-clock was stopped.",
- "Now starting...");
-
- cntl_a |= todc_info->enable_write;
- cntl_b &= ~TODC_MK48TXX_DAY_CB;/* Start Oscil */
-
- todc_write_val(todc_info->control_a, cntl_a);
- todc_write_val(todc_info->control_b, cntl_b);
- }
-
- /* Make sure READ & WRITE bits are cleared. */
- cntl_a &= ~(todc_info->enable_write | todc_info->enable_read);
- todc_write_val(todc_info->control_a, cntl_a);
- }
-
- return 0;
-}
-
-/*
- * There is some ugly stuff in that there are assumptions that for a mc146818,
- * the todc_info->control_a has the offset of the mc146818 Register B reg and
- * that the register'ss 'SET' bit is the same as the m48txx's write enable
- * bit in the control register of the m48txx (i.e., 0x80).
- *
- * It was done to make the code look simpler.
- */
-void
-todc_get_rtc_time(struct rtc_time *tm)
-{
- uint year = 0, mon = 0, mday = 0, hour = 0, min = 0, sec = 0;
- uint limit, i;
- u_char save_control, uip = 0;
- extern void GregorianDay(struct rtc_time *);
-
- spin_lock(&rtc_lock);
- save_control = todc_read_val(todc_info->control_a);
-
- if (todc_info->rtc_type != TODC_TYPE_MC146818) {
- limit = 1;
-
- switch (todc_info->rtc_type) {
- case TODC_TYPE_DS1553:
- case TODC_TYPE_DS1557:
- case TODC_TYPE_DS1743:
- case TODC_TYPE_DS1746: /* XXXX BAD HACK -> FIX */
- case TODC_TYPE_DS1747:
- case TODC_TYPE_DS17285:
- break;
- default:
- todc_write_val(todc_info->control_a,
- (save_control | todc_info->enable_read));
- }
- } else
- limit = 100000000;
-
- for (i=0; i<limit; i++) {
- if (todc_info->rtc_type == TODC_TYPE_MC146818)
- uip = todc_read_val(todc_info->RTC_FREQ_SELECT);
-
- sec = todc_read_val(todc_info->seconds) & 0x7f;
- min = todc_read_val(todc_info->minutes) & 0x7f;
- hour = todc_read_val(todc_info->hours) & 0x3f;
- mday = todc_read_val(todc_info->day_of_month) & 0x3f;
- mon = todc_read_val(todc_info->month) & 0x1f;
- year = todc_read_val(todc_info->year) & 0xff;
-
- if (todc_info->rtc_type == TODC_TYPE_MC146818) {
- uip |= todc_read_val(todc_info->RTC_FREQ_SELECT);
- if ((uip & RTC_UIP) == 0)
- break;
- }
- }
-
- if (todc_info->rtc_type != TODC_TYPE_MC146818) {
- switch (todc_info->rtc_type) {
- case TODC_TYPE_DS1553:
- case TODC_TYPE_DS1557:
- case TODC_TYPE_DS1743:
- case TODC_TYPE_DS1746: /* XXXX BAD HACK -> FIX */
- case TODC_TYPE_DS1747:
- case TODC_TYPE_DS17285:
- break;
- default:
- save_control &= ~(todc_info->enable_read);
- todc_write_val(todc_info->control_a, save_control);
- }
- }
- spin_unlock(&rtc_lock);
-
- if ((todc_info->rtc_type != TODC_TYPE_MC146818)
- || ((save_control & RTC_DM_BINARY) == 0)
- || RTC_ALWAYS_BCD) {
- BCD_TO_BIN(sec);
- BCD_TO_BIN(min);
- BCD_TO_BIN(hour);
- BCD_TO_BIN(mday);
- BCD_TO_BIN(mon);
- BCD_TO_BIN(year);
- }
-
- if ((year + 1900) < 1970) {
- year += 100;
- }
-
- tm->tm_sec = sec;
- tm->tm_min = min;
- tm->tm_hour = hour;
- tm->tm_mday = mday;
- tm->tm_mon = mon;
- tm->tm_year = year;
-
- GregorianDay(tm);
-}
-
-int
-todc_set_rtc_time(struct rtc_time *tm)
-{
- u_char save_control, save_freq_select = 0;
-
- spin_lock(&rtc_lock);
- save_control = todc_read_val(todc_info->control_a);
-
- /* Assuming MK48T59_RTC_CA_WRITE & RTC_SET are equal */
- todc_write_val(todc_info->control_a,
- (save_control | todc_info->enable_write));
- save_control &= ~(todc_info->enable_write); /* in case it was set */
-
- if (todc_info->rtc_type == TODC_TYPE_MC146818) {
- save_freq_select = todc_read_val(todc_info->RTC_FREQ_SELECT);
- todc_write_val(todc_info->RTC_FREQ_SELECT,
- save_freq_select | RTC_DIV_RESET2);
- }
-
- if ((todc_info->rtc_type != TODC_TYPE_MC146818)
- || ((save_control & RTC_DM_BINARY) == 0)
- || RTC_ALWAYS_BCD) {
- BIN_TO_BCD(tm->tm_sec);
- BIN_TO_BCD(tm->tm_min);
- BIN_TO_BCD(tm->tm_hour);
- BIN_TO_BCD(tm->tm_mon);
- BIN_TO_BCD(tm->tm_mday);
- BIN_TO_BCD(tm->tm_year);
- }
-
- todc_write_val(todc_info->seconds, tm->tm_sec);
- todc_write_val(todc_info->minutes, tm->tm_min);
- todc_write_val(todc_info->hours, tm->tm_hour);
- todc_write_val(todc_info->month, tm->tm_mon);
- todc_write_val(todc_info->day_of_month, tm->tm_mday);
- todc_write_val(todc_info->year, tm->tm_year);
-
- todc_write_val(todc_info->control_a, save_control);
-
- if (todc_info->rtc_type == TODC_TYPE_MC146818)
- todc_write_val(todc_info->RTC_FREQ_SELECT, save_freq_select);
-
- spin_unlock(&rtc_lock);
- return 0;
-}
diff --git a/arch/powerpc/sysdev/tsi108_dev.c b/arch/powerpc/sysdev/tsi108_dev.c
index 11de090eb90..97f37ef4bbb 100644
--- a/arch/powerpc/sysdev/tsi108_dev.c
+++ b/arch/powerpc/sysdev/tsi108_dev.c
@@ -48,7 +48,7 @@ phys_addr_t get_csrbase(void)
tsi = of_find_node_by_type(NULL, "tsi-bridge");
if (tsi) {
unsigned int size;
- void *prop = get_property(tsi, "reg", &size);
+ const void *prop = get_property(tsi, "reg", &size);
tsi108_csr_base = of_translate_address(tsi, prop);
of_node_put(tsi);
};
@@ -79,7 +79,7 @@ static int __init tsi108_eth_of_init(void)
hw_info tsi_eth_data;
unsigned int *id;
unsigned int *phy_id;
- void *mac_addr;
+ const void *mac_addr;
phandle *ph;
memset(r, 0, sizeof(r));
diff --git a/arch/powerpc/sysdev/tsi108_pci.c b/arch/powerpc/sysdev/tsi108_pci.c
index 322f86e93de..ae249c6bbbc 100644
--- a/arch/powerpc/sysdev/tsi108_pci.c
+++ b/arch/powerpc/sysdev/tsi108_pci.c
@@ -3,6 +3,8 @@
*
* 2004-2005 (c) Tundra Semiconductor Corp.
* Author: Alex Bounine (alexandreb@tundra.com)
+ * Author: Roy Zang (tie-fei.zang@freescale.com)
+ * Add pci interrupt router host
*
* 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
@@ -48,6 +50,8 @@
u32 tsi108_pci_cfg_base;
u32 tsi108_csr_vir_base;
+static struct device_node *pci_irq_node;
+static struct irq_host *pci_irq_host;
extern u32 get_vir_csrbase(void);
extern u32 tsi108_read_reg(u32 reg_offset);
@@ -378,6 +382,38 @@ static struct irq_chip tsi108_pci_irq = {
.unmask = tsi108_pci_irq_enable,
};
+static int pci_irq_host_xlate(struct irq_host *h, struct device_node *ct,
+ u32 *intspec, unsigned int intsize,
+ irq_hw_number_t *out_hwirq, unsigned int *out_flags)
+{
+ *out_hwirq = intspec[0];
+ *out_flags = IRQ_TYPE_LEVEL_HIGH;
+ return 0;
+}
+
+static int pci_irq_host_map(struct irq_host *h, unsigned int virq,
+ irq_hw_number_t hw)
+{ unsigned int irq;
+ DBG("%s(%d, 0x%lx)\n", __FUNCTION__, virq, hw);
+ if ((virq >= 1) && (virq <= 4)){
+ irq = virq + IRQ_PCI_INTAD_BASE - 1;
+ get_irq_desc(irq)->status |= IRQ_LEVEL;
+ set_irq_chip(irq, &tsi108_pci_irq);
+ }
+ return 0;
+}
+
+static int pci_irq_host_match(struct irq_host *h, struct device_node *node)
+{
+ return pci_irq_node == node;
+}
+
+static struct irq_host_ops pci_irq_host_ops = {
+ .match = pci_irq_host_match,
+ .map = pci_irq_host_map,
+ .xlate = pci_irq_host_xlate,
+};
+
/*
* Exported functions
*/
@@ -391,15 +427,15 @@ static struct irq_chip tsi108_pci_irq = {
* to the MPIC.
*/
-void __init tsi108_pci_int_init(void)
+void __init tsi108_pci_int_init(struct device_node *node)
{
- u_int i;
-
DBG("Tsi108_pci_int_init: initializing PCI interrupts\n");
- for (i = 0; i < NUM_PCI_IRQS; i++) {
- irq_desc[i + IRQ_PCI_INTAD_BASE].chip = &tsi108_pci_irq;
- irq_desc[i + IRQ_PCI_INTAD_BASE].status |= IRQ_LEVEL;
+ pci_irq_node = of_node_get(node);
+ pci_irq_host = irq_alloc_host(IRQ_HOST_MAP_LEGACY, 0, &pci_irq_host_ops, 0);
+ if (pci_irq_host == NULL) {
+ printk(KERN_ERR "pci_irq_host: failed to allocate irq host !\n");
+ return;
}
init_pci_source();
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-05 02:22:46 +0000