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-rw-r--r--arch/arm/mach-versatile/Kconfig2
-rw-r--r--arch/arm/mach-versatile/clock.c80
-rw-r--r--arch/arm/mach-versatile/clock.h7
-rw-r--r--arch/arm/mach-versatile/core.c56
-rw-r--r--arch/arm/mach-versatile/include/mach/clkdev.h7
-rw-r--r--arch/arm/mach-versatile/include/mach/dma.h20
-rw-r--r--arch/arm/mach-versatile/include/mach/io.h8
-rw-r--r--arch/arm/mach-versatile/include/mach/irqs.h86
-rw-r--r--arch/arm/mach-versatile/include/mach/memory.h10
-rw-r--r--arch/arm/mach-versatile/include/mach/platform.h58
10 files changed, 65 insertions, 269 deletions
diff --git a/arch/arm/mach-versatile/Kconfig b/arch/arm/mach-versatile/Kconfig
index 95096afd527..c781f30c836 100644
--- a/arch/arm/mach-versatile/Kconfig
+++ b/arch/arm/mach-versatile/Kconfig
@@ -3,12 +3,14 @@ menu "Versatile platform type"
config ARCH_VERSATILE_PB
bool "Support Versatile/PB platform"
+ select CPU_ARM926T
default y
help
Include support for the ARM(R) Versatile/PB platform.
config MACH_VERSATILE_AB
bool "Support Versatile/AB platform"
+ select CPU_ARM926T
help
Include support for the ARM(R) Versatile/AP platform.
diff --git a/arch/arm/mach-versatile/clock.c b/arch/arm/mach-versatile/clock.c
index 58937f1fb38..c50a44ea7ee 100644
--- a/arch/arm/mach-versatile/clock.c
+++ b/arch/arm/mach-versatile/clock.c
@@ -10,6 +10,7 @@
*/
#include <linux/module.h>
#include <linux/kernel.h>
+#include <linux/device.h>
#include <linux/list.h>
#include <linux/errno.h>
#include <linux/err.h>
@@ -17,36 +18,11 @@
#include <linux/clk.h>
#include <linux/mutex.h>
+#include <asm/clkdev.h>
#include <asm/hardware/icst307.h>
#include "clock.h"
-static LIST_HEAD(clocks);
-static DEFINE_MUTEX(clocks_mutex);
-
-struct clk *clk_get(struct device *dev, const char *id)
-{
- struct clk *p, *clk = ERR_PTR(-ENOENT);
-
- mutex_lock(&clocks_mutex);
- list_for_each_entry(p, &clocks, node) {
- if (strcmp(id, p->name) == 0 && try_module_get(p->owner)) {
- clk = p;
- break;
- }
- }
- mutex_unlock(&clocks_mutex);
-
- return clk;
-}
-EXPORT_SYMBOL(clk_get);
-
-void clk_put(struct clk *clk)
-{
- module_put(clk->owner);
-}
-EXPORT_SYMBOL(clk_put);
-
int clk_enable(struct clk *clk)
{
return 0;
@@ -66,7 +42,9 @@ EXPORT_SYMBOL(clk_get_rate);
long clk_round_rate(struct clk *clk, unsigned long rate)
{
- return rate;
+ struct icst307_vco vco;
+ vco = icst307_khz_to_vco(clk->params, rate / 1000);
+ return icst307_khz(clk->params, vco) * 1000;
}
EXPORT_SYMBOL(clk_round_rate);
@@ -79,57 +57,9 @@ int clk_set_rate(struct clk *clk, unsigned long rate)
vco = icst307_khz_to_vco(clk->params, rate / 1000);
clk->rate = icst307_khz(clk->params, vco) * 1000;
-
- printk("Clock %s: setting VCO reg params: S=%d R=%d V=%d\n",
- clk->name, vco.s, vco.r, vco.v);
-
clk->setvco(clk, vco);
ret = 0;
}
return ret;
}
EXPORT_SYMBOL(clk_set_rate);
-
-/*
- * These are fixed clocks.
- */
-static struct clk kmi_clk = {
- .name = "KMIREFCLK",
- .rate = 24000000,
-};
-
-static struct clk uart_clk = {
- .name = "UARTCLK",
- .rate = 24000000,
-};
-
-static struct clk mmci_clk = {
- .name = "MCLK",
- .rate = 24000000,
-};
-
-int clk_register(struct clk *clk)
-{
- mutex_lock(&clocks_mutex);
- list_add(&clk->node, &clocks);
- mutex_unlock(&clocks_mutex);
- return 0;
-}
-EXPORT_SYMBOL(clk_register);
-
-void clk_unregister(struct clk *clk)
-{
- mutex_lock(&clocks_mutex);
- list_del(&clk->node);
- mutex_unlock(&clocks_mutex);
-}
-EXPORT_SYMBOL(clk_unregister);
-
-static int __init clk_init(void)
-{
- clk_register(&kmi_clk);
- clk_register(&uart_clk);
- clk_register(&mmci_clk);
- return 0;
-}
-arch_initcall(clk_init);
diff --git a/arch/arm/mach-versatile/clock.h b/arch/arm/mach-versatile/clock.h
index 8b0b61dd17e..03468fdc3e5 100644
--- a/arch/arm/mach-versatile/clock.h
+++ b/arch/arm/mach-versatile/clock.h
@@ -12,14 +12,9 @@ struct module;
struct icst307_params;
struct clk {
- struct list_head node;
unsigned long rate;
- struct module *owner;
- const char *name;
const struct icst307_params *params;
+ u32 oscoff;
void *data;
void (*setvco)(struct clk *, struct icst307_vco vco);
};
-
-int clk_register(struct clk *clk);
-void clk_unregister(struct clk *clk);
diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c
index 565e0ba0d67..df25aa13850 100644
--- a/arch/arm/mach-versatile/core.c
+++ b/arch/arm/mach-versatile/core.c
@@ -31,6 +31,7 @@
#include <linux/cnt32_to_63.h>
#include <linux/io.h>
+#include <asm/clkdev.h>
#include <asm/system.h>
#include <mach/hardware.h>
#include <asm/irq.h>
@@ -373,22 +374,60 @@ static const struct icst307_params versatile_oscvco_params = {
static void versatile_oscvco_set(struct clk *clk, struct icst307_vco vco)
{
- void __iomem *sys_lock = __io_address(VERSATILE_SYS_BASE) + VERSATILE_SYS_LOCK_OFFSET;
- void __iomem *sys_osc = __io_address(VERSATILE_SYS_BASE) + VERSATILE_SYS_OSCCLCD_OFFSET;
+ void __iomem *sys = __io_address(VERSATILE_SYS_BASE);
+ void __iomem *sys_lock = sys + VERSATILE_SYS_LOCK_OFFSET;
u32 val;
- val = readl(sys_osc) & ~0x7ffff;
+ val = readl(sys + clk->oscoff) & ~0x7ffff;
val |= vco.v | (vco.r << 9) | (vco.s << 16);
writel(0xa05f, sys_lock);
- writel(val, sys_osc);
+ writel(val, sys + clk->oscoff);
writel(0, sys_lock);
}
-static struct clk versatile_clcd_clk = {
- .name = "CLCDCLK",
+static struct clk osc4_clk = {
.params = &versatile_oscvco_params,
- .setvco = versatile_oscvco_set,
+ .oscoff = VERSATILE_SYS_OSCCLCD_OFFSET,
+ .setvco = versatile_oscvco_set,
+};
+
+/*
+ * These are fixed clocks.
+ */
+static struct clk ref24_clk = {
+ .rate = 24000000,
+};
+
+static struct clk_lookup lookups[] __initdata = {
+ { /* UART0 */
+ .dev_id = "dev:f1",
+ .clk = &ref24_clk,
+ }, { /* UART1 */
+ .dev_id = "dev:f2",
+ .clk = &ref24_clk,
+ }, { /* UART2 */
+ .dev_id = "dev:f3",
+ .clk = &ref24_clk,
+ }, { /* UART3 */
+ .dev_id = "fpga:09",
+ .clk = &ref24_clk,
+ }, { /* KMI0 */
+ .dev_id = "fpga:06",
+ .clk = &ref24_clk,
+ }, { /* KMI1 */
+ .dev_id = "fpga:07",
+ .clk = &ref24_clk,
+ }, { /* MMC0 */
+ .dev_id = "fpga:05",
+ .clk = &ref24_clk,
+ }, { /* MMC1 */
+ .dev_id = "fpga:0b",
+ .clk = &ref24_clk,
+ }, { /* CLCD */
+ .dev_id = "dev:20",
+ .clk = &osc4_clk,
+ }
};
/*
@@ -786,7 +825,8 @@ void __init versatile_init(void)
{
int i;
- clk_register(&versatile_clcd_clk);
+ for (i = 0; i < ARRAY_SIZE(lookups); i++)
+ clkdev_add(&lookups[i]);
platform_device_register(&versatile_flash_device);
platform_device_register(&versatile_i2c_device);
diff --git a/arch/arm/mach-versatile/include/mach/clkdev.h b/arch/arm/mach-versatile/include/mach/clkdev.h
new file mode 100644
index 00000000000..04b37a89801
--- /dev/null
+++ b/arch/arm/mach-versatile/include/mach/clkdev.h
@@ -0,0 +1,7 @@
+#ifndef __ASM_MACH_CLKDEV_H
+#define __ASM_MACH_CLKDEV_H
+
+#define __clk_get(clk) ({ 1; })
+#define __clk_put(clk) do { } while (0)
+
+#endif
diff --git a/arch/arm/mach-versatile/include/mach/dma.h b/arch/arm/mach-versatile/include/mach/dma.h
deleted file mode 100644
index 0aabf12c883..00000000000
--- a/arch/arm/mach-versatile/include/mach/dma.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- * arch/arm/mach-versatile/include/mach/dma.h
- *
- * Copyright (C) 2003 ARM Limited.
- * Copyright (C) 1997,1998 Russell King
- *
- * 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
- */
diff --git a/arch/arm/mach-versatile/include/mach/io.h b/arch/arm/mach-versatile/include/mach/io.h
index c0b9dd1d025..f067c14c718 100644
--- a/arch/arm/mach-versatile/include/mach/io.h
+++ b/arch/arm/mach-versatile/include/mach/io.h
@@ -22,11 +22,7 @@
#define IO_SPACE_LIMIT 0xffffffff
-static inline void __iomem *__io(unsigned long addr)
-{
- return (void __iomem *)addr;
-}
-#define __io(a) __io(a)
-#define __mem_pci(a) (a)
+#define __io(a) __typesafe_io(a)
+#define __mem_pci(a) (a)
#endif
diff --git a/arch/arm/mach-versatile/include/mach/irqs.h b/arch/arm/mach-versatile/include/mach/irqs.h
index 216a1312e62..9bfdb30e1f3 100644
--- a/arch/arm/mach-versatile/include/mach/irqs.h
+++ b/arch/arm/mach-versatile/include/mach/irqs.h
@@ -60,39 +60,6 @@
#define IRQ_VICSOURCE31 (IRQ_VIC_START + INT_VICSOURCE31)
#define IRQ_VIC_END (IRQ_VIC_START + 31)
-#define IRQMASK_WDOGINT INTMASK_WDOGINT
-#define IRQMASK_SOFTINT INTMASK_SOFTINT
-#define IRQMASK_COMMRx INTMASK_COMMRx
-#define IRQMASK_COMMTx INTMASK_COMMTx
-#define IRQMASK_TIMERINT0_1 INTMASK_TIMERINT0_1
-#define IRQMASK_TIMERINT2_3 INTMASK_TIMERINT2_3
-#define IRQMASK_GPIOINT0 INTMASK_GPIOINT0
-#define IRQMASK_GPIOINT1 INTMASK_GPIOINT1
-#define IRQMASK_GPIOINT2 INTMASK_GPIOINT2
-#define IRQMASK_GPIOINT3 INTMASK_GPIOINT3
-#define IRQMASK_RTCINT INTMASK_RTCINT
-#define IRQMASK_SSPINT INTMASK_SSPINT
-#define IRQMASK_UARTINT0 INTMASK_UARTINT0
-#define IRQMASK_UARTINT1 INTMASK_UARTINT1
-#define IRQMASK_UARTINT2 INTMASK_UARTINT2
-#define IRQMASK_SCIINT INTMASK_SCIINT
-#define IRQMASK_CLCDINT INTMASK_CLCDINT
-#define IRQMASK_DMAINT INTMASK_DMAINT
-#define IRQMASK_PWRFAILINT INTMASK_PWRFAILINT
-#define IRQMASK_MBXINT INTMASK_MBXINT
-#define IRQMASK_GNDINT INTMASK_GNDINT
-#define IRQMASK_VICSOURCE21 INTMASK_VICSOURCE21
-#define IRQMASK_VICSOURCE22 INTMASK_VICSOURCE22
-#define IRQMASK_VICSOURCE23 INTMASK_VICSOURCE23
-#define IRQMASK_VICSOURCE24 INTMASK_VICSOURCE24
-#define IRQMASK_VICSOURCE25 INTMASK_VICSOURCE25
-#define IRQMASK_VICSOURCE26 INTMASK_VICSOURCE26
-#define IRQMASK_VICSOURCE27 INTMASK_VICSOURCE27
-#define IRQMASK_VICSOURCE28 INTMASK_VICSOURCE28
-#define IRQMASK_VICSOURCE29 INTMASK_VICSOURCE29
-#define IRQMASK_VICSOURCE30 INTMASK_VICSOURCE30
-#define IRQMASK_VICSOURCE31 INTMASK_VICSOURCE31
-
/*
* FIQ interrupts definitions are the same as the INT definitions.
*/
@@ -130,39 +97,6 @@
#define FIQ_VICSOURCE31 INT_VICSOURCE31
-#define FIQMASK_WDOGINT INTMASK_WDOGINT
-#define FIQMASK_SOFTINT INTMASK_SOFTINT
-#define FIQMASK_COMMRx INTMASK_COMMRx
-#define FIQMASK_COMMTx INTMASK_COMMTx
-#define FIQMASK_TIMERINT0_1 INTMASK_TIMERINT0_1
-#define FIQMASK_TIMERINT2_3 INTMASK_TIMERINT2_3
-#define FIQMASK_GPIOINT0 INTMASK_GPIOINT0
-#define FIQMASK_GPIOINT1 INTMASK_GPIOINT1
-#define FIQMASK_GPIOINT2 INTMASK_GPIOINT2
-#define FIQMASK_GPIOINT3 INTMASK_GPIOINT3
-#define FIQMASK_RTCINT INTMASK_RTCINT
-#define FIQMASK_SSPINT INTMASK_SSPINT
-#define FIQMASK_UARTINT0 INTMASK_UARTINT0
-#define FIQMASK_UARTINT1 INTMASK_UARTINT1
-#define FIQMASK_UARTINT2 INTMASK_UARTINT2
-#define FIQMASK_SCIINT INTMASK_SCIINT
-#define FIQMASK_CLCDINT INTMASK_CLCDINT
-#define FIQMASK_DMAINT INTMASK_DMAINT
-#define FIQMASK_PWRFAILINT INTMASK_PWRFAILINT
-#define FIQMASK_MBXINT INTMASK_MBXINT
-#define FIQMASK_GNDINT INTMASK_GNDINT
-#define FIQMASK_VICSOURCE21 INTMASK_VICSOURCE21
-#define FIQMASK_VICSOURCE22 INTMASK_VICSOURCE22
-#define FIQMASK_VICSOURCE23 INTMASK_VICSOURCE23
-#define FIQMASK_VICSOURCE24 INTMASK_VICSOURCE24
-#define FIQMASK_VICSOURCE25 INTMASK_VICSOURCE25
-#define FIQMASK_VICSOURCE26 INTMASK_VICSOURCE26
-#define FIQMASK_VICSOURCE27 INTMASK_VICSOURCE27
-#define FIQMASK_VICSOURCE28 INTMASK_VICSOURCE28
-#define FIQMASK_VICSOURCE29 INTMASK_VICSOURCE29
-#define FIQMASK_VICSOURCE30 INTMASK_VICSOURCE30
-#define FIQMASK_VICSOURCE31 INTMASK_VICSOURCE31
-
/*
* Secondary interrupt controller
*/
@@ -188,24 +122,4 @@
#define IRQ_SIC_PCI3 (IRQ_SIC_START + SIC_INT_PCI3)
#define IRQ_SIC_END 63
-#define SIC_IRQMASK_MMCI0B SIC_INTMASK_MMCI0B
-#define SIC_IRQMASK_MMCI1B SIC_INTMASK_MMCI1B
-#define SIC_IRQMASK_KMI0 SIC_INTMASK_KMI0
-#define SIC_IRQMASK_KMI1 SIC_INTMASK_KMI1
-#define SIC_IRQMASK_SCI3 SIC_INTMASK_SCI3
-#define SIC_IRQMASK_UART3 SIC_INTMASK_UART3
-#define SIC_IRQMASK_CLCD SIC_INTMASK_CLCD
-#define SIC_IRQMASK_TOUCH SIC_INTMASK_TOUCH
-#define SIC_IRQMASK_KEYPAD SIC_INTMASK_KEYPAD
-#define SIC_IRQMASK_DoC SIC_INTMASK_DoC
-#define SIC_IRQMASK_MMCI0A SIC_INTMASK_MMCI0A
-#define SIC_IRQMASK_MMCI1A SIC_INTMASK_MMCI1A
-#define SIC_IRQMASK_AACI SIC_INTMASK_AACI
-#define SIC_IRQMASK_ETH SIC_INTMASK_ETH
-#define SIC_IRQMASK_USB SIC_INTMASK_USB
-#define SIC_IRQMASK_PCI0 SIC_INTMASK_PCI0
-#define SIC_IRQMASK_PCI1 SIC_INTMASK_PCI1
-#define SIC_IRQMASK_PCI2 SIC_INTMASK_PCI2
-#define SIC_IRQMASK_PCI3 SIC_INTMASK_PCI3
-
#define NR_IRQS 64
diff --git a/arch/arm/mach-versatile/include/mach/memory.h b/arch/arm/mach-versatile/include/mach/memory.h
index b6315c0602a..79aeab86b90 100644
--- a/arch/arm/mach-versatile/include/mach/memory.h
+++ b/arch/arm/mach-versatile/include/mach/memory.h
@@ -25,14 +25,4 @@
*/
#define PHYS_OFFSET UL(0x00000000)
-/*
- * Virtual view <-> DMA view memory address translations
- * virt_to_bus: Used to translate the virtual address to an
- * address suitable to be passed to set_dma_addr
- * bus_to_virt: Used to convert an address for DMA operations
- * to an address that the kernel can use.
- */
-#define __virt_to_bus(x) ((x) - PAGE_OFFSET)
-#define __bus_to_virt(x) ((x) + PAGE_OFFSET)
-
#endif
diff --git a/arch/arm/mach-versatile/include/mach/platform.h b/arch/arm/mach-versatile/include/mach/platform.h
index f91ba930ca8..83207395191 100644
--- a/arch/arm/mach-versatile/include/mach/platform.h
+++ b/arch/arm/mach-versatile/include/mach/platform.h
@@ -347,44 +347,6 @@
#define INT_VICSOURCE30 30 /* PCI 3 */
#define INT_VICSOURCE31 31 /* SIC source */
-/*
- * Interrupt bit positions
- *
- */
-#define INTMASK_WDOGINT (1 << INT_WDOGINT)
-#define INTMASK_SOFTINT (1 << INT_SOFTINT)
-#define INTMASK_COMMRx (1 << INT_COMMRx)
-#define INTMASK_COMMTx (1 << INT_COMMTx)
-#define INTMASK_TIMERINT0_1 (1 << INT_TIMERINT0_1)
-#define INTMASK_TIMERINT2_3 (1 << INT_TIMERINT2_3)
-#define INTMASK_GPIOINT0 (1 << INT_GPIOINT0)
-#define INTMASK_GPIOINT1 (1 << INT_GPIOINT1)
-#define INTMASK_GPIOINT2 (1 << INT_GPIOINT2)
-#define INTMASK_GPIOINT3 (1 << INT_GPIOINT3)
-#define INTMASK_RTCINT (1 << INT_RTCINT)
-#define INTMASK_SSPINT (1 << INT_SSPINT)
-#define INTMASK_UARTINT0 (1 << INT_UARTINT0)
-#define INTMASK_UARTINT1 (1 << INT_UARTINT1)
-#define INTMASK_UARTINT2 (1 << INT_UARTINT2)
-#define INTMASK_SCIINT (1 << INT_SCIINT)
-#define INTMASK_CLCDINT (1 << INT_CLCDINT)
-#define INTMASK_DMAINT (1 << INT_DMAINT)
-#define INTMASK_PWRFAILINT (1 << INT_PWRFAILINT)
-#define INTMASK_MBXINT (1 << INT_MBXINT)
-#define INTMASK_GNDINT (1 << INT_GNDINT)
-#define INTMASK_VICSOURCE21 (1 << INT_VICSOURCE21)
-#define INTMASK_VICSOURCE22 (1 << INT_VICSOURCE22)
-#define INTMASK_VICSOURCE23 (1 << INT_VICSOURCE23)
-#define INTMASK_VICSOURCE24 (1 << INT_VICSOURCE24)
-#define INTMASK_VICSOURCE25 (1 << INT_VICSOURCE25)
-#define INTMASK_VICSOURCE26 (1 << INT_VICSOURCE26)
-#define INTMASK_VICSOURCE27 (1 << INT_VICSOURCE27)
-#define INTMASK_VICSOURCE28 (1 << INT_VICSOURCE28)
-#define INTMASK_VICSOURCE29 (1 << INT_VICSOURCE29)
-#define INTMASK_VICSOURCE30 (1 << INT_VICSOURCE30)
-#define INTMASK_VICSOURCE31 (1 << INT_VICSOURCE31)
-
-
#define VERSATILE_SC_VALID_INT 0x003FFFFF
#define MAXIRQNUM 31
@@ -417,26 +379,6 @@
#define SIC_INT_PCI3 30
-#define SIC_INTMASK_MMCI0B (1 << SIC_INT_MMCI0B)
-#define SIC_INTMASK_MMCI1B (1 << SIC_INT_MMCI1B)
-#define SIC_INTMASK_KMI0 (1 << SIC_INT_KMI0)
-#define SIC_INTMASK_KMI1 (1 << SIC_INT_KMI1)
-#define SIC_INTMASK_SCI3 (1 << SIC_INT_SCI3)
-#define SIC_INTMASK_UART3 (1 << SIC_INT_UART3)
-#define SIC_INTMASK_CLCD (1 << SIC_INT_CLCD)
-#define SIC_INTMASK_TOUCH (1 << SIC_INT_TOUCH)
-#define SIC_INTMASK_KEYPAD (1 << SIC_INT_KEYPAD)
-#define SIC_INTMASK_DoC (1 << SIC_INT_DoC)
-#define SIC_INTMASK_MMCI0A (1 << SIC_INT_MMCI0A)
-#define SIC_INTMASK_MMCI1A (1 << SIC_INT_MMCI1A)
-#define SIC_INTMASK_AACI (1 << SIC_INT_AACI)
-#define SIC_INTMASK_ETH (1 << SIC_INT_ETH)
-#define SIC_INTMASK_USB (1 << SIC_INT_USB)
-#define SIC_INTMASK_PCI0 (1 << SIC_INT_PCI0)
-#define SIC_INTMASK_PCI1 (1 << SIC_INT_PCI1)
-#define SIC_INTMASK_PCI2 (1 << SIC_INT_PCI2)
-#define SIC_INTMASK_PCI3 (1 << SIC_INT_PCI3)
-
/*
* Clean base - dummy
*