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authorHelge Deller <deller@parisc-linux.org>2006-03-27 12:52:15 -0700
committerKyle McMartin <kyle@hera.kernel.org>2006-03-30 17:48:42 +0000
commit5076c15862644edb91d2e3436b2fa3e07b28385d (patch)
tree179750a6a7649c8cf233509c26da144764894ded /drivers
parent94c3e87a792c70d041954b0ef68ebd22368d0931 (diff)
[PARISC] I/O-Space must be ioremap_nocache()'d
Addresses in F-space must be accessed uncached on most parisc machines. Signed-off-by: Helge Deller <deller@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/input/serio/gscps2.c4
-rw-r--r--drivers/parisc/ccio-dma.c2
-rw-r--r--drivers/parisc/dino.c5
-rw-r--r--drivers/parisc/eisa.c2
-rw-r--r--drivers/parisc/iosapic.c2
-rw-r--r--drivers/parisc/lba_pci.c8
-rw-r--r--drivers/parisc/sba_iommu.c6
-rw-r--r--drivers/parisc/superio.c48
-rw-r--r--drivers/scsi/lasi700.c2
-rw-r--r--drivers/scsi/zalon.c2
-rw-r--r--drivers/serial/8250_gsc.c15
-rw-r--r--drivers/serial/mux.c4
12 files changed, 47 insertions, 53 deletions
diff --git a/drivers/input/serio/gscps2.c b/drivers/input/serio/gscps2.c
index a7b0de0f92b2..c0b1e4becad3 100644
--- a/drivers/input/serio/gscps2.c
+++ b/drivers/input/serio/gscps2.c
@@ -1,7 +1,7 @@
/*
* drivers/input/serio/gscps2.c
*
- * Copyright (c) 2004 Helge Deller <deller@gmx.de>
+ * Copyright (c) 2004-2006 Helge Deller <deller@gmx.de>
* Copyright (c) 2002 Laurent Canet <canetl@esiee.fr>
* Copyright (c) 2002 Thibaut Varene <varenet@parisc-linux.org>
*
@@ -354,7 +354,7 @@ static int __init gscps2_probe(struct parisc_device *dev)
memset(serio, 0, sizeof(struct serio));
ps2port->port = serio;
ps2port->padev = dev;
- ps2port->addr = ioremap(hpa, GSC_STATUS + 4);
+ ps2port->addr = ioremap_nocache(hpa, GSC_STATUS + 4);
spin_lock_init(&ps2port->lock);
gscps2_reset(ps2port);
diff --git a/drivers/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c
index 93f8a8fa8890..a5d826237b26 100644
--- a/drivers/parisc/ccio-dma.c
+++ b/drivers/parisc/ccio-dma.c
@@ -1560,7 +1560,7 @@ static int ccio_probe(struct parisc_device *dev)
*ioc_p = ioc;
ioc->hw_path = dev->hw_path;
- ioc->ioc_regs = ioremap(dev->hpa.start, 4096);
+ ioc->ioc_regs = ioremap_nocache(dev->hpa.start, 4096);
ccio_ioc_init(ioc);
ccio_init_resources(ioc);
hppa_dma_ops = &ccio_ops;
diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c
index 3d1a7f98c676..6e8ed0c81a6c 100644
--- a/drivers/parisc/dino.c
+++ b/drivers/parisc/dino.c
@@ -5,6 +5,7 @@
** (c) Copyright 1999 SuSE GmbH
** (c) Copyright 1999,2000 Hewlett-Packard Company
** (c) Copyright 2000 Grant Grundler
+** (c) Copyright 2006 Helge Deller
**
** 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
@@ -785,7 +786,7 @@ dino_bridge_init(struct dino_device *dino_dev, const char *name)
if((io_addr & (1 << i)) == 0)
continue;
- start = (unsigned long)(signed int)(0xf0000000 | (i << 23));
+ start = F_EXTEND(0xf0000000UL) | (i << 23);
end = start + 8 * 1024 * 1024 - 1;
DBG("DINO RANGE %d is at 0x%lx-0x%lx\n", count,
@@ -996,7 +997,7 @@ static int __init dino_probe(struct parisc_device *dev)
}
dino_dev->hba.dev = dev;
- dino_dev->hba.base_addr = ioremap(hpa, 4096);
+ dino_dev->hba.base_addr = ioremap_nocache(hpa, 4096);
dino_dev->hba.lmmio_space_offset = 0; /* CPU addrs == bus addrs */
spin_lock_init(&dino_dev->dinosaur_pen);
dino_dev->hba.iommu = ccio_get_iommu(dev);
diff --git a/drivers/parisc/eisa.c b/drivers/parisc/eisa.c
index 3d94d86c1c9f..9d3bd15bf53b 100644
--- a/drivers/parisc/eisa.c
+++ b/drivers/parisc/eisa.c
@@ -366,7 +366,7 @@ static int __devinit eisa_probe(struct parisc_device *dev)
eisa_dev.eeprom_addr = MIRAGE_EEPROM_BASE_ADDR;
}
}
- eisa_eeprom_addr = ioremap(eisa_dev.eeprom_addr, HPEE_MAX_LENGTH);
+ eisa_eeprom_addr = ioremap_nocache(eisa_dev.eeprom_addr, HPEE_MAX_LENGTH);
result = eisa_enumerator(eisa_dev.eeprom_addr, &eisa_dev.hba.io_space,
&eisa_dev.hba.lmmio_space);
init_eisa_pic();
diff --git a/drivers/parisc/iosapic.c b/drivers/parisc/iosapic.c
index 8d7a36392eb8..7a458d5bc751 100644
--- a/drivers/parisc/iosapic.c
+++ b/drivers/parisc/iosapic.c
@@ -879,7 +879,7 @@ void *iosapic_register(unsigned long hpa)
return NULL;
}
- isi->addr = ioremap(hpa, 4096);
+ isi->addr = ioremap_nocache(hpa, 4096);
isi->isi_hpa = hpa;
isi->isi_version = iosapic_rd_version(isi);
isi->isi_num_vectors = IOSAPIC_IRDT_MAX_ENTRY(isi->isi_version) + 1;
diff --git a/drivers/parisc/lba_pci.c b/drivers/parisc/lba_pci.c
index e8a2a4a852f5..3fe4a77fa16a 100644
--- a/drivers/parisc/lba_pci.c
+++ b/drivers/parisc/lba_pci.c
@@ -1213,7 +1213,7 @@ lba_pat_resources(struct parisc_device *pa_dev, struct lba_device *lba_dev)
** Postable I/O port space is per PCI host adapter.
** base of 64MB PIOP region
*/
- lba_dev->iop_base = ioremap(p->start, 64 * 1024 * 1024);
+ lba_dev->iop_base = ioremap_nocache(p->start, 64 * 1024 * 1024);
sprintf(lba_dev->hba.io_name, "PCI%02lx Ports",
lba_dev->hba.bus_num.start);
@@ -1525,7 +1525,7 @@ lba_driver_probe(struct parisc_device *dev)
u32 func_class;
void *tmp_obj;
char *version;
- void __iomem *addr = ioremap(dev->hpa.start, 4096);
+ void __iomem *addr = ioremap_nocache(dev->hpa.start, 4096);
/* Read HW Rev First */
func_class = READ_REG32(addr + LBA_FCLASS);
@@ -1619,7 +1619,7 @@ lba_driver_probe(struct parisc_device *dev)
} else {
if (!astro_iop_base) {
/* Sprockets PDC uses NPIOP region */
- astro_iop_base = ioremap(LBA_PORT_BASE, 64 * 1024);
+ astro_iop_base = ioremap_nocache(LBA_PORT_BASE, 64 * 1024);
pci_port = &lba_astro_port_ops;
}
@@ -1700,7 +1700,7 @@ void __init lba_init(void)
*/
void lba_set_iregs(struct parisc_device *lba, u32 ibase, u32 imask)
{
- void __iomem * base_addr = ioremap(lba->hpa.start, 4096);
+ void __iomem * base_addr = ioremap_nocache(lba->hpa.start, 4096);
imask <<= 2; /* adjust for hints - 2 more bits */
diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c
index 0821747e44cf..42b32ff2fca6 100644
--- a/drivers/parisc/sba_iommu.c
+++ b/drivers/parisc/sba_iommu.c
@@ -1642,9 +1642,9 @@ sba_ioc_init(struct parisc_device *sba, struct ioc *ioc, int ioc_num)
**
**************************************************************************/
-static void __iomem *ioc_remap(struct sba_device *sba_dev, int offset)
+static void __iomem *ioc_remap(struct sba_device *sba_dev, unsigned int offset)
{
- return ioremap(sba_dev->dev->hpa.start + offset, SBA_FUNC_SIZE);
+ return ioremap_nocache(sba_dev->dev->hpa.start + offset, SBA_FUNC_SIZE);
}
static void sba_hw_init(struct sba_device *sba_dev)
@@ -2040,7 +2040,7 @@ sba_driver_callback(struct parisc_device *dev)
u32 func_class;
int i;
char *version;
- void __iomem *sba_addr = ioremap(dev->hpa.start, SBA_FUNC_SIZE);
+ void __iomem *sba_addr = ioremap_nocache(dev->hpa.start, SBA_FUNC_SIZE);
struct proc_dir_entry *info_entry, *bitmap_entry, *root;
sba_dump_ranges(sba_addr);
diff --git a/drivers/parisc/superio.c b/drivers/parisc/superio.c
index ad6d3b28a3a6..719b863bc20e 100644
--- a/drivers/parisc/superio.c
+++ b/drivers/parisc/superio.c
@@ -12,6 +12,7 @@
* (C) Copyright 2001 John Marvin <jsm fc hp com>
* (C) Copyright 2003 Grant Grundler <grundler parisc-linux org>
* (C) Copyright 2005 Kyle McMartin <kyle@parisc-linux.org>
+ * (C) Copyright 2006 Helge Deller <deller@gmx.de>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
@@ -388,43 +389,34 @@ int superio_fixup_irq(struct pci_dev *pcidev)
return local_irq;
}
-static struct uart_port serial[] = {
- {
- .iotype = UPIO_PORT,
- .line = 0,
- .type = PORT_16550A,
- .uartclk = 115200*16,
- .fifosize = 16,
- },
- {
- .iotype = UPIO_PORT,
- .line = 1,
- .type = PORT_16550A,
- .uartclk = 115200*16,
- .fifosize = 16,
- }
-};
-
static void __devinit superio_serial_init(void)
{
#ifdef CONFIG_SERIAL_8250
int retval;
-
- serial[0].iobase = sio_dev.sp1_base;
- serial[0].irq = SP1_IRQ;
- spin_lock_init(&serial[0].lock);
-
- retval = early_serial_setup(&serial[0]);
+ struct uart_port serial_port;
+
+ memset(&serial_port, 0, sizeof(serial_port));
+ serial_port.iotype = UPIO_PORT;
+ serial_port.type = PORT_16550A;
+ serial_port.uartclk = 115200*16;
+ serial_port.fifosize = 16;
+ spin_lock_init(&serial_port.lock);
+
+ /* serial port #1 */
+ serial_port.iobase = sio_dev.sp1_base;
+ serial_port.irq = SP1_IRQ;
+ serial_port.line = 0;
+ retval = early_serial_setup(&serial_port);
if (retval < 0) {
printk(KERN_WARNING PFX "Register Serial #0 failed.\n");
return;
}
- serial[1].iobase = sio_dev.sp2_base;
- serial[1].irq = SP2_IRQ;
- spin_lock_init(&serial[1].lock);
- retval = early_serial_setup(&serial[1]);
-
+ /* serial port #2 */
+ serial_port.iobase = sio_dev.sp2_base;
+ serial_port.irq = SP2_IRQ;
+ serial_port.line = 1;
+ retval = early_serial_setup(&serial_port);
if (retval < 0)
printk(KERN_WARNING PFX "Register Serial #1 failed.\n");
#endif /* CONFIG_SERIAL_8250 */
diff --git a/drivers/scsi/lasi700.c b/drivers/scsi/lasi700.c
index 459a4daebece..eb7bd310cc82 100644
--- a/drivers/scsi/lasi700.c
+++ b/drivers/scsi/lasi700.c
@@ -112,7 +112,7 @@ lasi700_probe(struct parisc_device *dev)
hostdata->dev = &dev->dev;
dma_set_mask(&dev->dev, DMA_32BIT_MASK);
- hostdata->base = ioremap(base, 0x100);
+ hostdata->base = ioremap_nocache(base, 0x100);
hostdata->differential = 0;
if (dev->id.sversion == LASI_700_SVERSION) {
diff --git a/drivers/scsi/zalon.c b/drivers/scsi/zalon.c
index b131432c677d..a6cfbb3b361c 100644
--- a/drivers/scsi/zalon.c
+++ b/drivers/scsi/zalon.c
@@ -88,7 +88,7 @@ zalon_probe(struct parisc_device *dev)
struct gsc_irq gsc_irq;
u32 zalon_vers;
int error = -ENODEV;
- void __iomem *zalon = ioremap(dev->hpa.start, 4096);
+ void __iomem *zalon = ioremap_nocache(dev->hpa.start, 4096);
void __iomem *io_port = zalon + GSC_SCSI_ZALON_OFFSET;
static int unit = 0;
struct Scsi_Host *host;
diff --git a/drivers/serial/8250_gsc.c b/drivers/serial/8250_gsc.c
index 8b4947933d9b..913c71cc0569 100644
--- a/drivers/serial/8250_gsc.c
+++ b/drivers/serial/8250_gsc.c
@@ -52,13 +52,14 @@ serial_init_chip(struct parisc_device *dev)
address += 0x800;
}
- memset(&port, 0, sizeof(struct uart_port));
- port.mapbase = address;
- port.irq = dev->irq;
- port.iotype = UPIO_MEM;
- port.flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF;
- port.uartclk = LASI_BASE_BAUD * 16;
- port.dev = &dev->dev;
+ memset(&port, 0, sizeof(port));
+ port.iotype = UPIO_MEM;
+ port.uartclk = LASI_BASE_BAUD * 16;
+ port.mapbase = address;
+ port.membase = ioremap_nocache(address, 16);
+ port.irq = dev->irq;
+ port.flags = UPF_BOOT_AUTOCONF;
+ port.dev = &dev->dev;
err = serial8250_register_port(&port);
if (err < 0) {
diff --git a/drivers/serial/mux.c b/drivers/serial/mux.c
index 868eaf4a1a68..64c0e89124c9 100644
--- a/drivers/serial/mux.c
+++ b/drivers/serial/mux.c
@@ -51,7 +51,7 @@
#define MUX_BREAK(status) ((status & 0xF000) == 0x2000)
#define MUX_NR 256
-static unsigned int port_cnt = 0;
+static unsigned int port_cnt __read_mostly;
static struct uart_port mux_ports[MUX_NR];
static struct uart_driver mux_driver = {
@@ -461,7 +461,7 @@ static int __init mux_probe(struct parisc_device *dev)
port->iobase = 0;
port->mapbase = dev->hpa.start + MUX_OFFSET +
(i * MUX_LINE_OFFSET);
- port->membase = ioremap(port->mapbase, MUX_LINE_OFFSET);
+ port->membase = ioremap_nocache(port->mapbase, MUX_LINE_OFFSET);
port->iotype = UPIO_MEM;
port->type = PORT_MUX;
port->irq = NO_IRQ;

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