aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-realview
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-realview')
-rw-r--r--arch/arm/mach-realview/Kconfig2
-rw-r--r--arch/arm/mach-realview/clock.c80
-rw-r--r--arch/arm/mach-realview/clock.h6
-rw-r--r--arch/arm/mach-realview/core.c52
-rw-r--r--arch/arm/mach-realview/core.h1
-rw-r--r--arch/arm/mach-realview/include/mach/clkdev.h7
-rw-r--r--arch/arm/mach-realview/include/mach/dma.h20
-rw-r--r--arch/arm/mach-realview/include/mach/io.h9
-rw-r--r--arch/arm/mach-realview/include/mach/memory.h10
-rw-r--r--arch/arm/mach-realview/include/mach/platform.h19
-rw-r--r--arch/arm/mach-realview/realview_eb.c2
-rw-r--r--arch/arm/mach-realview/realview_pb1176.c2
-rw-r--r--arch/arm/mach-realview/realview_pb11mp.c2
13 files changed, 67 insertions, 145 deletions
diff --git a/arch/arm/mach-realview/Kconfig b/arch/arm/mach-realview/Kconfig
index b117c13407c..ad911854eb4 100644
--- a/arch/arm/mach-realview/Kconfig
+++ b/arch/arm/mach-realview/Kconfig
@@ -17,6 +17,7 @@ config REALVIEW_EB_A9MP
config REALVIEW_EB_ARM11MP
bool "Support ARM11MPCore tile"
depends on MACH_REALVIEW_EB
+ select CPU_V6
help
Enable support for the ARM11MPCore tile on the Realview platform.
@@ -41,6 +42,7 @@ config MACH_REALVIEW_PB11MP
config MACH_REALVIEW_PB1176
bool "Support RealView/PB1176 platform"
+ select CPU_V6
select ARM_GIC
help
Include support for the ARM(R) RealView ARM1176 Platform Baseboard.
diff --git a/arch/arm/mach-realview/clock.c b/arch/arm/mach-realview/clock.c
index 3e706c57833..a7043115de7 100644
--- a/arch/arm/mach-realview/clock.c
+++ b/arch/arm/mach-realview/clock.c
@@ -10,9 +10,11 @@
*/
#include <linux/module.h>
#include <linux/kernel.h>
+#include <linux/device.h>
#include <linux/list.h>
#include <linux/errno.h>
#include <linux/err.h>
+#include <linux/string.h>
#include <linux/clk.h>
#include <linux/mutex.h>
@@ -20,32 +22,6 @@
#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;
@@ -65,7 +41,9 @@ 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);
@@ -78,57 +56,9 @@ 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 = 33000000,
-};
-
-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-realview/clock.h b/arch/arm/mach-realview/clock.h
index dadba695e18..ebbb0f06b60 100644
--- a/arch/arm/mach-realview/clock.h
+++ b/arch/arm/mach-realview/clock.h
@@ -12,14 +12,8 @@ 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;
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-realview/core.c b/arch/arm/mach-realview/core.c
index 86aa6d74126..5f1d55963ce 100644
--- a/arch/arm/mach-realview/core.c
+++ b/arch/arm/mach-realview/core.c
@@ -30,6 +30,7 @@
#include <linux/io.h>
#include <linux/smc911x.h>
+#include <asm/clkdev.h>
#include <asm/system.h>
#include <mach/hardware.h>
#include <asm/irq.h>
@@ -218,13 +219,60 @@ static void realview_oscvco_set(struct clk *clk, struct icst307_vco vco)
writel(0, sys_lock);
}
-struct clk realview_clcd_clk = {
- .name = "CLCDCLK",
+static struct clk oscvco_clk = {
.params = &realview_oscvco_params,
.setvco = realview_oscvco_set,
};
/*
+ * These are fixed clocks.
+ */
+static struct clk ref24_clk = {
+ .rate = 24000000,
+};
+
+static struct clk_lookup lookups[] = {
+ { /* 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,
+ }, { /* EB:CLCD */
+ .dev_id = "dev:20",
+ .clk = &oscvco_clk,
+ }, { /* PB:CLCD */
+ .dev_id = "issp:20",
+ .clk = &oscvco_clk,
+ }
+};
+
+static int __init clk_init(void)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(lookups); i++)
+ clkdev_add(&lookups[i]);
+ return 0;
+}
+arch_initcall(clk_init);
+
+/*
* CLCD support.
*/
#define SYS_CLCD_NLCDIOON (1 << 2)
diff --git a/arch/arm/mach-realview/core.h b/arch/arm/mach-realview/core.h
index 689c368368f..63be2abdc19 100644
--- a/arch/arm/mach-realview/core.h
+++ b/arch/arm/mach-realview/core.h
@@ -48,7 +48,6 @@ extern struct platform_device realview_flash_device;
extern struct platform_device realview_i2c_device;
extern struct mmc_platform_data realview_mmc0_plat_data;
extern struct mmc_platform_data realview_mmc1_plat_data;
-extern struct clk realview_clcd_clk;
extern struct clcd_board clcd_plat_data;
extern void __iomem *gic_cpu_base_addr;
#ifdef CONFIG_LOCAL_TIMERS
diff --git a/arch/arm/mach-realview/include/mach/clkdev.h b/arch/arm/mach-realview/include/mach/clkdev.h
new file mode 100644
index 00000000000..04b37a89801
--- /dev/null
+++ b/arch/arm/mach-realview/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-realview/include/mach/dma.h b/arch/arm/mach-realview/include/mach/dma.h
deleted file mode 100644
index f1a5a1a1095..00000000000
--- a/arch/arm/mach-realview/include/mach/dma.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- * arch/arm/mach-realview/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-realview/include/mach/io.h b/arch/arm/mach-realview/include/mach/io.h
index aa069424d31..f05bcdf605d 100644
--- a/arch/arm/mach-realview/include/mach/io.h
+++ b/arch/arm/mach-realview/include/mach/io.h
@@ -22,12 +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-realview/include/mach/memory.h b/arch/arm/mach-realview/include/mach/memory.h
index 759ed10d74f..293c30025e7 100644
--- a/arch/arm/mach-realview/include/mach/memory.h
+++ b/arch/arm/mach-realview/include/mach/memory.h
@@ -29,14 +29,4 @@
#define PHYS_OFFSET UL(0x00000000)
#endif
-/*
- * 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-realview/include/mach/platform.h b/arch/arm/mach-realview/include/mach/platform.h
index 4034b54950c..793a3a33271 100644
--- a/arch/arm/mach-realview/include/mach/platform.h
+++ b/arch/arm/mach-realview/include/mach/platform.h
@@ -239,27 +239,10 @@
#define REALVIEW_DECODE_OFFSET 0xC /* Fitted logic modules */
/*
- * Application Flash
- *
- */
-#define FLASH_BASE REALVIEW_FLASH_BASE
-#define FLASH_SIZE REALVIEW_FLASH_SIZE
-#define FLASH_END (FLASH_BASE + FLASH_SIZE - 1)
-#define FLASH_BLOCK_SIZE SZ_128K
-
-/*
- * Boot Flash
- *
- */
-#define EPROM_BASE REALVIEW_BOOT_ROM_HI
-#define EPROM_SIZE REALVIEW_BOOT_ROM_SIZE
-#define EPROM_END (EPROM_BASE + EPROM_SIZE - 1)
-
-/*
* Clean base - dummy
*
*/
-#define CLEAN_BASE EPROM_BASE
+#define CLEAN_BASE REALVIEW_BOOT_ROM_HI
/*
* System controller bit assignment
diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c
index e9b7b04c2fe..bed39ed9761 100644
--- a/arch/arm/mach-realview/realview_eb.c
+++ b/arch/arm/mach-realview/realview_eb.c
@@ -363,8 +363,6 @@ static void __init realview_eb_init(void)
#endif
}
- clk_register(&realview_clcd_clk);
-
realview_flash_register(&realview_eb_flash_resource, 1);
platform_device_register(&realview_i2c_device);
eth_device_register();
diff --git a/arch/arm/mach-realview/realview_pb1176.c b/arch/arm/mach-realview/realview_pb1176.c
index 0388ed06f1e..8f0683c2214 100644
--- a/arch/arm/mach-realview/realview_pb1176.c
+++ b/arch/arm/mach-realview/realview_pb1176.c
@@ -258,8 +258,6 @@ static void __init realview_pb1176_init(void)
l2x0_init(__io_address(REALVIEW_PB1176_L220_BASE), 0x00730000, 0xfe000fff);
#endif
- clk_register(&realview_clcd_clk);
-
realview_flash_register(&realview_pb1176_flash_resource, 1);
realview_eth_register(NULL, realview_pb1176_smsc911x_resources);
diff --git a/arch/arm/mach-realview/realview_pb11mp.c b/arch/arm/mach-realview/realview_pb11mp.c
index 3f3f052138f..3ebdb2dadd6 100644
--- a/arch/arm/mach-realview/realview_pb11mp.c
+++ b/arch/arm/mach-realview/realview_pb11mp.c
@@ -304,8 +304,6 @@ static void __init realview_pb11mp_init(void)
l2x0_init(__io_address(REALVIEW_TC11MP_L220_BASE), 0x00790000, 0xfe000fff);
#endif
- clk_register(&realview_clcd_clk);
-
realview_flash_register(realview_pb11mp_flash_resource,
ARRAY_SIZE(realview_pb11mp_flash_resource));
realview_eth_register(NULL, realview_pb11mp_smsc911x_resources);