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authorJoerg Roedel <joerg.roedel@amd.com>2010-06-01 09:57:49 +0200
committerJoerg Roedel <joerg.roedel@amd.com>2010-06-01 09:57:49 +0200
commit1d61e73ab4c7470833241af888939a7aab2b0354 (patch)
treedd714c2428070a7ea2bf807c2821ac75ff13ec55 /arch/arm/mach-integrator
parent84fe6c19e4a598e8071e3bd1b2c923454eae1268 (diff)
parent67a3e12b05e055c0415c556a315a3d3eb637e29e (diff)
downloadblackbird-op-linux-1d61e73ab4c7470833241af888939a7aab2b0354.tar.gz
blackbird-op-linux-1d61e73ab4c7470833241af888939a7aab2b0354.zip
Merge commit 'v2.6.35-rc1' into amd-iommu/2.6.35
Diffstat (limited to 'arch/arm/mach-integrator')
-rw-r--r--arch/arm/mach-integrator/Kconfig1
-rw-r--r--arch/arm/mach-integrator/Makefile2
-rw-r--r--arch/arm/mach-integrator/clock.c59
-rw-r--r--arch/arm/mach-integrator/common.h2
-rw-r--r--arch/arm/mach-integrator/core.c127
-rw-r--r--arch/arm/mach-integrator/cpu.c53
-rw-r--r--arch/arm/mach-integrator/impd1.c43
-rw-r--r--arch/arm/mach-integrator/include/mach/clkdev.h7
-rw-r--r--arch/arm/mach-integrator/include/mach/entry-macro.S1
-rw-r--r--arch/arm/mach-integrator/include/mach/hardware.h17
-rw-r--r--arch/arm/mach-integrator/include/mach/platform.h54
-rw-r--r--arch/arm/mach-integrator/integrator_ap.c166
-rw-r--r--arch/arm/mach-integrator/integrator_cp.c88
-rw-r--r--arch/arm/mach-integrator/leds.c1
-rw-r--r--arch/arm/mach-integrator/pci_v3.c7
15 files changed, 297 insertions, 331 deletions
diff --git a/arch/arm/mach-integrator/Kconfig b/arch/arm/mach-integrator/Kconfig
index df97d16390e3..27db275b367c 100644
--- a/arch/arm/mach-integrator/Kconfig
+++ b/arch/arm/mach-integrator/Kconfig
@@ -11,6 +11,7 @@ config ARCH_INTEGRATOR_AP
config ARCH_INTEGRATOR_CP
bool "Support Integrator/CP platform"
select ARCH_CINTEGRATOR
+ select ARM_TIMER_SP804
help
Include support for the ARM(R) Integrator CP platform.
diff --git a/arch/arm/mach-integrator/Makefile b/arch/arm/mach-integrator/Makefile
index 6a5ef8d30b10..ebeef966e1f5 100644
--- a/arch/arm/mach-integrator/Makefile
+++ b/arch/arm/mach-integrator/Makefile
@@ -4,7 +4,7 @@
# Object file lists.
-obj-y := clock.o core.o lm.o
+obj-y := core.o lm.o
obj-$(CONFIG_ARCH_INTEGRATOR_AP) += integrator_ap.o
obj-$(CONFIG_ARCH_INTEGRATOR_CP) += integrator_cp.o
diff --git a/arch/arm/mach-integrator/clock.c b/arch/arm/mach-integrator/clock.c
deleted file mode 100644
index 989ecf5f5c46..000000000000
--- a/arch/arm/mach-integrator/clock.c
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * linux/arch/arm/mach-integrator/clock.c
- *
- * Copyright (C) 2004 ARM Limited.
- * Written by Deep Blue Solutions Limited.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/clk.h>
-#include <linux/mutex.h>
-
-#include <asm/clkdev.h>
-#include <mach/clkdev.h>
-
-int clk_enable(struct clk *clk)
-{
- return 0;
-}
-EXPORT_SYMBOL(clk_enable);
-
-void clk_disable(struct clk *clk)
-{
-}
-EXPORT_SYMBOL(clk_disable);
-
-unsigned long clk_get_rate(struct clk *clk)
-{
- return clk->rate;
-}
-EXPORT_SYMBOL(clk_get_rate);
-
-long clk_round_rate(struct clk *clk, unsigned long rate)
-{
- struct icst525_vco vco;
- vco = icst525_khz_to_vco(clk->params, rate / 1000);
- return icst525_khz(clk->params, vco) * 1000;
-}
-EXPORT_SYMBOL(clk_round_rate);
-
-int clk_set_rate(struct clk *clk, unsigned long rate)
-{
- int ret = -EIO;
-
- if (clk->setvco) {
- struct icst525_vco vco;
-
- vco = icst525_khz_to_vco(clk->params, rate / 1000);
- clk->rate = icst525_khz(clk->params, vco) * 1000;
- clk->setvco(clk, vco);
- ret = 0;
- }
- return ret;
-}
-EXPORT_SYMBOL(clk_set_rate);
diff --git a/arch/arm/mach-integrator/common.h b/arch/arm/mach-integrator/common.h
deleted file mode 100644
index 609c49de3d47..000000000000
--- a/arch/arm/mach-integrator/common.h
+++ /dev/null
@@ -1,2 +0,0 @@
-extern void integrator_time_init(unsigned long, unsigned int);
-extern unsigned long integrator_gettimeoffset(void);
diff --git a/arch/arm/mach-integrator/core.c b/arch/arm/mach-integrator/core.c
index 8b390e36ba69..b02cfc06e0ae 100644
--- a/arch/arm/mach-integrator/core.c
+++ b/arch/arm/mach-integrator/core.c
@@ -24,15 +24,13 @@
#include <asm/clkdev.h>
#include <mach/clkdev.h>
#include <mach/hardware.h>
+#include <mach/platform.h>
#include <asm/irq.h>
-#include <asm/hardware/arm_timer.h>
#include <mach/cm.h>
#include <asm/system.h>
#include <asm/leds.h>
#include <asm/mach/time.h>
-#include "common.h"
-
static struct amba_pl010_data integrator_uart_data;
static struct amba_device rtc_device = {
@@ -163,8 +161,8 @@ arch_initcall(integrator_init);
* UART0 7 6
* UART1 5 4
*/
-#define SC_CTRLC (IO_ADDRESS(INTEGRATOR_SC_BASE) + INTEGRATOR_SC_CTRLC_OFFSET)
-#define SC_CTRLS (IO_ADDRESS(INTEGRATOR_SC_BASE) + INTEGRATOR_SC_CTRLS_OFFSET)
+#define SC_CTRLC IO_ADDRESS(INTEGRATOR_SC_CTRLC)
+#define SC_CTRLS IO_ADDRESS(INTEGRATOR_SC_CTRLS)
static void integrator_uart_set_mctrl(struct amba_device *dev, void __iomem *base, unsigned int mctrl)
{
@@ -196,7 +194,7 @@ static struct amba_pl010_data integrator_uart_data = {
.set_mctrl = integrator_uart_set_mctrl,
};
-#define CM_CTRL IO_ADDRESS(INTEGRATOR_HDR_BASE) + INTEGRATOR_HDR_CTRL_OFFSET
+#define CM_CTRL IO_ADDRESS(INTEGRATOR_HDR_CTRL)
static DEFINE_SPINLOCK(cm_lock);
@@ -217,120 +215,3 @@ void cm_control(u32 mask, u32 set)
}
EXPORT_SYMBOL(cm_control);
-
-/*
- * Where is the timer (VA)?
- */
-#define TIMER0_VA_BASE (IO_ADDRESS(INTEGRATOR_CT_BASE)+0x00000000)
-#define TIMER1_VA_BASE (IO_ADDRESS(INTEGRATOR_CT_BASE)+0x00000100)
-#define TIMER2_VA_BASE (IO_ADDRESS(INTEGRATOR_CT_BASE)+0x00000200)
-#define VA_IC_BASE IO_ADDRESS(INTEGRATOR_IC_BASE)
-
-/*
- * How long is the timer interval?
- */
-#define TIMER_INTERVAL (TICKS_PER_uSEC * mSEC_10)
-#if TIMER_INTERVAL >= 0x100000
-#define TICKS2USECS(x) (256 * (x) / TICKS_PER_uSEC)
-#elif TIMER_INTERVAL >= 0x10000
-#define TICKS2USECS(x) (16 * (x) / TICKS_PER_uSEC)
-#else
-#define TICKS2USECS(x) ((x) / TICKS_PER_uSEC)
-#endif
-
-static unsigned long timer_reload;
-
-/*
- * Returns number of ms since last clock interrupt. Note that interrupts
- * will have been disabled by do_gettimeoffset()
- */
-unsigned long integrator_gettimeoffset(void)
-{
- unsigned long ticks1, ticks2, status;
-
- /*
- * Get the current number of ticks. Note that there is a race
- * condition between us reading the timer and checking for
- * an interrupt. We get around this by ensuring that the
- * counter has not reloaded between our two reads.
- */
- ticks2 = readl(TIMER1_VA_BASE + TIMER_VALUE) & 0xffff;
- do {
- ticks1 = ticks2;
- status = __raw_readl(VA_IC_BASE + IRQ_RAW_STATUS);
- ticks2 = readl(TIMER1_VA_BASE + TIMER_VALUE) & 0xffff;
- } while (ticks2 > ticks1);
-
- /*
- * Number of ticks since last interrupt.
- */
- ticks1 = timer_reload - ticks2;
-
- /*
- * Interrupt pending? If so, we've reloaded once already.
- */
- if (status & (1 << IRQ_TIMERINT1))
- ticks1 += timer_reload;
-
- /*
- * Convert the ticks to usecs
- */
- return TICKS2USECS(ticks1);
-}
-
-/*
- * IRQ handler for the timer
- */
-static irqreturn_t
-integrator_timer_interrupt(int irq, void *dev_id)
-{
- /*
- * clear the interrupt
- */
- writel(1, TIMER1_VA_BASE + TIMER_INTCLR);
-
- timer_tick();
-
- return IRQ_HANDLED;
-}
-
-static struct irqaction integrator_timer_irq = {
- .name = "Integrator Timer Tick",
- .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
- .handler = integrator_timer_interrupt,
-};
-
-/*
- * Set up timer interrupt, and return the current time in seconds.
- */
-void __init integrator_time_init(unsigned long reload, unsigned int ctrl)
-{
- unsigned int timer_ctrl = TIMER_CTRL_ENABLE | TIMER_CTRL_PERIODIC;
-
- timer_reload = reload;
- timer_ctrl |= ctrl;
-
- if (timer_reload > 0x100000) {
- timer_reload >>= 8;
- timer_ctrl |= TIMER_CTRL_DIV256;
- } else if (timer_reload > 0x010000) {
- timer_reload >>= 4;
- timer_ctrl |= TIMER_CTRL_DIV16;
- }
-
- /*
- * Initialise to a known state (all timers off)
- */
- writel(0, TIMER0_VA_BASE + TIMER_CTRL);
- writel(0, TIMER1_VA_BASE + TIMER_CTRL);
- writel(0, TIMER2_VA_BASE + TIMER_CTRL);
-
- writel(timer_reload, TIMER1_VA_BASE + TIMER_LOAD);
- writel(timer_reload, TIMER1_VA_BASE + TIMER_VALUE);
- writel(timer_ctrl, TIMER1_VA_BASE + TIMER_CTRL);
-
- /*
- * Make irqs happen for the system timer
- */
- setup_irq(IRQ_TIMERINT1, &integrator_timer_irq);
-}
diff --git a/arch/arm/mach-integrator/cpu.c b/arch/arm/mach-integrator/cpu.c
index f77f20255045..a3fbcb3adc29 100644
--- a/arch/arm/mach-integrator/cpu.c
+++ b/arch/arm/mach-integrator/cpu.c
@@ -19,32 +19,39 @@
#include <linux/io.h>
#include <mach/hardware.h>
+#include <mach/platform.h>
#include <asm/mach-types.h>
-#include <asm/hardware/icst525.h>
+#include <asm/hardware/icst.h>
static struct cpufreq_driver integrator_driver;
-#define CM_ID (IO_ADDRESS(INTEGRATOR_HDR_BASE)+INTEGRATOR_HDR_ID_OFFSET)
-#define CM_OSC (IO_ADDRESS(INTEGRATOR_HDR_BASE)+INTEGRATOR_HDR_OSC_OFFSET)
-#define CM_STAT (IO_ADDRESS(INTEGRATOR_HDR_BASE)+INTEGRATOR_HDR_STAT_OFFSET)
-#define CM_LOCK (IO_ADDRESS(INTEGRATOR_HDR_BASE)+INTEGRATOR_HDR_LOCK_OFFSET)
+#define CM_ID IO_ADDRESS(INTEGRATOR_HDR_ID)
+#define CM_OSC IO_ADDRESS(INTEGRATOR_HDR_OSC)
+#define CM_STAT IO_ADDRESS(INTEGRATOR_HDR_STAT)
+#define CM_LOCK IO_ADDRESS(INTEGRATOR_HDR_LOCK)
-static const struct icst525_params lclk_params = {
- .ref = 24000,
- .vco_max = 320000,
+static const struct icst_params lclk_params = {
+ .ref = 24000000,
+ .vco_max = ICST525_VCO_MAX_5V,
+ .vco_min = ICST525_VCO_MIN,
.vd_min = 8,
.vd_max = 132,
.rd_min = 24,
.rd_max = 24,
+ .s2div = icst525_s2div,
+ .idx2s = icst525_idx2s,
};
-static const struct icst525_params cclk_params = {
- .ref = 24000,
- .vco_max = 320000,
+static const struct icst_params cclk_params = {
+ .ref = 24000000,
+ .vco_max = ICST525_VCO_MAX_5V,
+ .vco_min = ICST525_VCO_MIN,
.vd_min = 12,
.vd_max = 160,
.rd_min = 24,
.rd_max = 24,
+ .s2div = icst525_s2div,
+ .idx2s = icst525_idx2s,
};
/*
@@ -52,17 +59,17 @@ static const struct icst525_params cclk_params = {
*/
static int integrator_verify_policy(struct cpufreq_policy *policy)
{
- struct icst525_vco vco;
+ struct icst_vco vco;
cpufreq_verify_within_limits(policy,
policy->cpuinfo.min_freq,
policy->cpuinfo.max_freq);
- vco = icst525_khz_to_vco(&cclk_params, policy->max);
- policy->max = icst525_khz(&cclk_params, vco);
+ vco = icst_hz_to_vco(&cclk_params, policy->max * 1000);
+ policy->max = icst_hz(&cclk_params, vco) / 1000;
- vco = icst525_khz_to_vco(&cclk_params, policy->min);
- policy->min = icst525_khz(&cclk_params, vco);
+ vco = icst_hz_to_vco(&cclk_params, policy->min * 1000);
+ policy->min = icst_hz(&cclk_params, vco) / 1000;
cpufreq_verify_within_limits(policy,
policy->cpuinfo.min_freq,
@@ -78,7 +85,7 @@ static int integrator_set_target(struct cpufreq_policy *policy,
{
cpumask_t cpus_allowed;
int cpu = policy->cpu;
- struct icst525_vco vco;
+ struct icst_vco vco;
struct cpufreq_freqs freqs;
u_int cm_osc;
@@ -104,17 +111,17 @@ static int integrator_set_target(struct cpufreq_policy *policy,
}
vco.v = cm_osc & 255;
vco.r = 22;
- freqs.old = icst525_khz(&cclk_params, vco);
+ freqs.old = icst_hz(&cclk_params, vco) / 1000;
- /* icst525_khz_to_vco rounds down -- so we need the next
+ /* icst_hz_to_vco rounds down -- so we need the next
* larger freq in case of CPUFREQ_RELATION_L.
*/
if (relation == CPUFREQ_RELATION_L)
target_freq += 999;
if (target_freq > policy->max)
target_freq = policy->max;
- vco = icst525_khz_to_vco(&cclk_params, target_freq);
- freqs.new = icst525_khz(&cclk_params, vco);
+ vco = icst_hz_to_vco(&cclk_params, target_freq * 1000);
+ freqs.new = icst_hz(&cclk_params, vco) / 1000;
freqs.cpu = policy->cpu;
@@ -154,7 +161,7 @@ static unsigned int integrator_get(unsigned int cpu)
cpumask_t cpus_allowed;
unsigned int current_freq;
u_int cm_osc;
- struct icst525_vco vco;
+ struct icst_vco vco;
cpus_allowed = current->cpus_allowed;
@@ -172,7 +179,7 @@ static unsigned int integrator_get(unsigned int cpu)
vco.v = cm_osc & 255;
vco.r = 22;
- current_freq = icst525_khz(&cclk_params, vco); /* current freq */
+ current_freq = icst_hz(&cclk_params, vco) / 1000; /* current freq */
set_cpus_allowed(current, cpus_allowed);
diff --git a/arch/arm/mach-integrator/impd1.c b/arch/arm/mach-integrator/impd1.c
index 41b10725cef7..fd684bf205e5 100644
--- a/arch/arm/mach-integrator/impd1.c
+++ b/arch/arm/mach-integrator/impd1.c
@@ -25,7 +25,7 @@
#include <asm/clkdev.h>
#include <mach/clkdev.h>
-#include <asm/hardware/icst525.h>
+#include <asm/hardware/icst.h>
#include <mach/lm.h>
#include <mach/impd1.h>
#include <asm/sizes.h>
@@ -41,32 +41,25 @@ struct impd1_module {
struct clk_lookup *clks[3];
};
-static const struct icst525_params impd1_vco_params = {
- .ref = 24000, /* 24 MHz */
- .vco_max = 200000, /* 200 MHz */
+static const struct icst_params impd1_vco_params = {
+ .ref = 24000000, /* 24 MHz */
+ .vco_max = ICST525_VCO_MAX_3V,
+ .vco_min = ICST525_VCO_MIN,
.vd_min = 12,
.vd_max = 519,
.rd_min = 3,
.rd_max = 120,
+ .s2div = icst525_s2div,
+ .idx2s = icst525_idx2s,
};
-static void impd1_setvco(struct clk *clk, struct icst525_vco vco)
+static void impd1_setvco(struct clk *clk, struct icst_vco vco)
{
struct impd1_module *impd1 = clk->data;
- int vconr = clk - impd1->vcos;
- u32 val;
-
- val = vco.v | (vco.r << 9) | (vco.s << 16);
+ u32 val = vco.v | (vco.r << 9) | (vco.s << 16);
writel(0xa05f, impd1->base + IMPD1_LOCK);
- switch (vconr) {
- case 0:
- writel(val, impd1->base + IMPD1_OSC1);
- break;
- case 1:
- writel(val, impd1->base + IMPD1_OSC2);
- break;
- }
+ writel(val, clk->vcoreg);
writel(0, impd1->base + IMPD1_LOCK);
#ifdef DEBUG
@@ -74,11 +67,17 @@ static void impd1_setvco(struct clk *clk, struct icst525_vco vco)
vco.r = (val >> 9) & 0x7f;
vco.s = (val >> 16) & 7;
- pr_debug("IM-PD1: VCO%d clock is %ld kHz\n",
- vconr, icst525_khz(&impd1_vco_params, vco));
+ pr_debug("IM-PD1: VCO%d clock is %ld Hz\n",
+ vconr, icst525_hz(&impd1_vco_params, vco));
#endif
}
+static const struct clk_ops impd1_clk_ops = {
+ .round = icst_clk_round,
+ .set = icst_clk_set,
+ .setvco = impd1_setvco,
+};
+
void impd1_tweak_control(struct device *dev, u32 mask, u32 val)
{
struct impd1_module *impd1 = dev_get_drvdata(dev);
@@ -374,11 +373,13 @@ static int impd1_probe(struct lm_device *dev)
(unsigned long)dev->resource.start);
for (i = 0; i < ARRAY_SIZE(impd1->vcos); i++) {
+ impd1->vcos[i].ops = &impd1_clk_ops,
impd1->vcos[i].owner = THIS_MODULE,
impd1->vcos[i].params = &impd1_vco_params,
- impd1->vcos[i].data = impd1,
- impd1->vcos[i].setvco = impd1_setvco;
+ impd1->vcos[i].data = impd1;
}
+ impd1->vcos[0].vcoreg = impd1->base + IMPD1_OSC1;
+ impd1->vcos[1].vcoreg = impd1->base + IMPD1_OSC2;
impd1->clks[0] = clkdev_alloc(&impd1->vcos[0], NULL, "lm%x:01000",
dev->id);
diff --git a/arch/arm/mach-integrator/include/mach/clkdev.h b/arch/arm/mach-integrator/include/mach/clkdev.h
index 9293e410832a..bfe07679faec 100644
--- a/arch/arm/mach-integrator/include/mach/clkdev.h
+++ b/arch/arm/mach-integrator/include/mach/clkdev.h
@@ -2,14 +2,15 @@
#define __ASM_MACH_CLKDEV_H
#include <linux/module.h>
-#include <asm/hardware/icst525.h>
+#include <plat/clock.h>
struct clk {
unsigned long rate;
+ const struct clk_ops *ops;
struct module *owner;
- const struct icst525_params *params;
+ const struct icst_params *params;
+ void __iomem *vcoreg;
void *data;
- void (*setvco)(struct clk *, struct icst525_vco vco);
};
static inline int __clk_get(struct clk *clk)
diff --git a/arch/arm/mach-integrator/include/mach/entry-macro.S b/arch/arm/mach-integrator/include/mach/entry-macro.S
index 7649c57acb53..3d029c9f3ef6 100644
--- a/arch/arm/mach-integrator/include/mach/entry-macro.S
+++ b/arch/arm/mach-integrator/include/mach/entry-macro.S
@@ -8,6 +8,7 @@
* warranty of any kind, whether express or implied.
*/
#include <mach/hardware.h>
+#include <mach/platform.h>
#include <mach/irqs.h>
.macro disable_fiq
diff --git a/arch/arm/mach-integrator/include/mach/hardware.h b/arch/arm/mach-integrator/include/mach/hardware.h
index d795642fad22..8e26360ce9a3 100644
--- a/arch/arm/mach-integrator/include/mach/hardware.h
+++ b/arch/arm/mach-integrator/include/mach/hardware.h
@@ -23,7 +23,6 @@
#define __ASM_ARCH_HARDWARE_H
#include <asm/sizes.h>
-#include <mach/platform.h>
/*
* Where in virtual memory the IO devices (timers, system controllers
@@ -36,17 +35,19 @@
#define PCIO_BASE PCI_IO_VADDR
#define PCIMEM_BASE PCI_MEMORY_VADDR
-#ifdef CONFIG_MMU
-/* macro to get at IO space when running virtually */
-#define IO_ADDRESS(x) (((x) >> 4) + IO_BASE)
-#else
-#define IO_ADDRESS(x) (x)
-#endif
-
#define pcibios_assign_all_busses() 1
#define PCIBIOS_MIN_IO 0x6000
#define PCIBIOS_MIN_MEM 0x00100000
+/* macro to get at IO space when running virtually */
+#ifdef CONFIG_MMU
+#define IO_ADDRESS(x) (((x) & 0x000fffff) | (((x) >> 4) & 0x0ff00000) | IO_BASE)
+#else
+#define IO_ADDRESS(x) (x)
+#endif
+
+#define __io_address(n) ((void __iomem *)IO_ADDRESS(n))
+
#endif
diff --git a/arch/arm/mach-integrator/include/mach/platform.h b/arch/arm/mach-integrator/include/mach/platform.h
index e00a2624f269..5e6ea5cfea6e 100644
--- a/arch/arm/mach-integrator/include/mach/platform.h
+++ b/arch/arm/mach-integrator/include/mach/platform.h
@@ -23,9 +23,6 @@
*
* Integrator address map
*
- * NOTE: This is a multi-hosted header file for use with uHAL and
- * supported debuggers.
- *
* ***********************************************************************/
#ifndef __address_h
@@ -290,12 +287,14 @@
#define INTEGRATOR_DBG_LEDS (INTEGRATOR_DBG_BASE + INTEGRATOR_DBG_LEDS_OFFSET)
#define INTEGRATOR_DBG_SWITCH (INTEGRATOR_DBG_BASE + INTEGRATOR_DBG_SWITCH_OFFSET)
+#define INTEGRATOR_AP_GPIO_BASE 0x1B000000 /* GPIO */
-#if defined(CONFIG_ARCH_INTEGRATOR_AP)
-#define INTEGRATOR_GPIO_BASE 0x1B000000 /* GPIO */
-#elif defined(CONFIG_ARCH_INTEGRATOR_CP)
-#define INTEGRATOR_GPIO_BASE 0xC9000000 /* GPIO */
-#endif
+#define INTEGRATOR_CP_MMC_BASE 0x1C000000 /* MMC */
+#define INTEGRATOR_CP_AACI_BASE 0x1D000000 /* AACI */
+#define INTEGRATOR_CP_ETH_BASE 0xC8000000 /* Ethernet */
+#define INTEGRATOR_CP_GPIO_BASE 0xC9000000 /* GPIO */
+#define INTEGRATOR_CP_SIC_BASE 0xCA000000 /* SIC */
+#define INTEGRATOR_CP_CTL_BASE 0xCB000000 /* CP system control */
/* ------------------------------------------------------------------------
* KMI keyboard/mouse definitions
@@ -328,20 +327,6 @@
*/
#define PHYS_PCI_V3_BASE 0x62000000
-#define PCI_DRAMSIZE INTEGRATOR_SSRAM_SIZE
-
-/* 'export' these to UHAL */
-#define UHAL_PCI_IO PCI_IO_BASE
-#define UHAL_PCI_MEM PCI_MEM_BASE
-#define UHAL_PCI_ALLOC_IO_BASE 0x00004000
-#define UHAL_PCI_ALLOC_MEM_BASE PCI_MEM_BASE
-#define UHAL_PCI_MAX_SLOT 20
-
-/* ========================================================================
- * Start of uHAL definitions
- * ========================================================================
- */
-
/* ------------------------------------------------------------------------
* Integrator Interrupt Controllers
* ------------------------------------------------------------------------
@@ -389,7 +374,7 @@
*/
/* ------------------------------------------------------------------------
- * LED's - The header LED is not accessible via the uHAL API
+ * LED's
* ------------------------------------------------------------------------
*
*/
@@ -402,34 +387,18 @@
#define LED_BANK INTEGRATOR_DBG_LEDS
/*
- * Memory definitions - run uHAL out of SSRAM.
- *
- */
-#define uHAL_MEMORY_SIZE INTEGRATOR_SSRAM_SIZE
-
-/*
- * Clean base - dummy
- *
- */
-#define CLEAN_BASE INTEGRATOR_BOOT_ROM_HI
-
-/*
* Timer definitions
*
* Only use timer 1 & 2
* (both run at 24MHz and will need the clock divider set to 16).
*
- * Timer 0 runs at bus frequency and therefore could vary and currently
- * uHAL can't handle that.
- *
+ * Timer 0 runs at bus frequency
*/
#define INTEGRATOR_TIMER0_BASE INTEGRATOR_CT_BASE
#define INTEGRATOR_TIMER1_BASE (INTEGRATOR_CT_BASE + 0x100)
#define INTEGRATOR_TIMER2_BASE (INTEGRATOR_CT_BASE + 0x200)
-#define MAX_TIMER 2
-#define MAX_PERIOD 699050
#define TICKS_PER_uSEC 24
/*
@@ -437,14 +406,9 @@
*
*/
#define mSEC_1 1000
-#define mSEC_5 (mSEC_1 * 5)
#define mSEC_10 (mSEC_1 * 10)
-#define mSEC_25 (mSEC_1 * 25)
-#define SEC_1 (mSEC_1 * 1000)
#define INTEGRATOR_CSR_BASE 0x10000000
#define INTEGRATOR_CSR_SIZE 0x10000000
#endif
-
-/* END */
diff --git a/arch/arm/mach-integrator/integrator_ap.c b/arch/arm/mach-integrator/integrator_ap.c
index 8138a7e24562..227cf4d05088 100644
--- a/arch/arm/mach-integrator/integrator_ap.c
+++ b/arch/arm/mach-integrator/integrator_ap.c
@@ -27,9 +27,14 @@
#include <linux/sysdev.h>
#include <linux/amba/bus.h>
#include <linux/amba/kmi.h>
+#include <linux/clocksource.h>
+#include <linux/clockchips.h>
+#include <linux/interrupt.h>
#include <linux/io.h>
#include <mach/hardware.h>
+#include <mach/platform.h>
+#include <asm/hardware/arm_timer.h>
#include <asm/irq.h>
#include <asm/setup.h>
#include <asm/param.h> /* HZ */
@@ -43,8 +48,6 @@
#include <asm/mach/map.h>
#include <asm/mach/time.h>
-#include "common.h"
-
/*
* All IO addresses are mapped onto VA 0xFFFx.xxxx, where x.xxxx
* is the (PA >> 12).
@@ -55,7 +58,7 @@
#define VA_IC_BASE IO_ADDRESS(INTEGRATOR_IC_BASE)
#define VA_SC_BASE IO_ADDRESS(INTEGRATOR_SC_BASE)
#define VA_EBI_BASE IO_ADDRESS(INTEGRATOR_EBI_BASE)
-#define VA_CMIC_BASE IO_ADDRESS(INTEGRATOR_HDR_BASE) + INTEGRATOR_HDR_IC_OFFSET
+#define VA_CMIC_BASE IO_ADDRESS(INTEGRATOR_HDR_IC)
/*
* Logical Physical
@@ -117,8 +120,8 @@ static struct map_desc ap_io_desc[] __initdata = {
.length = SZ_4K,
.type = MT_DEVICE
}, {
- .virtual = IO_ADDRESS(INTEGRATOR_GPIO_BASE),
- .pfn = __phys_to_pfn(INTEGRATOR_GPIO_BASE),
+ .virtual = IO_ADDRESS(INTEGRATOR_AP_GPIO_BASE),
+ .pfn = __phys_to_pfn(INTEGRATOR_AP_GPIO_BASE),
.length = SZ_4K,
.type = MT_DEVICE
}, {
@@ -334,14 +337,163 @@ static void __init ap_init(void)
}
}
+/*
+ * Where is the timer (VA)?
+ */
+#define TIMER0_VA_BASE IO_ADDRESS(INTEGRATOR_TIMER0_BASE)
+#define TIMER1_VA_BASE IO_ADDRESS(INTEGRATOR_TIMER1_BASE)
+#define TIMER2_VA_BASE IO_ADDRESS(INTEGRATOR_TIMER2_BASE)
+
+/*
+ * How long is the timer interval?
+ */
+#define TIMER_INTERVAL (TICKS_PER_uSEC * mSEC_10)
+#if TIMER_INTERVAL >= 0x100000
+#define TICKS2USECS(x) (256 * (x) / TICKS_PER_uSEC)
+#elif TIMER_INTERVAL >= 0x10000
+#define TICKS2USECS(x) (16 * (x) / TICKS_PER_uSEC)
+#else
+#define TICKS2USECS(x) ((x) / TICKS_PER_uSEC)
+#endif
+
+static unsigned long timer_reload;
+
+static void __iomem * const clksrc_base = (void __iomem *)TIMER2_VA_BASE;
+
+static cycle_t timersp_read(struct clocksource *cs)
+{
+ return ~(readl(clksrc_base + TIMER_VALUE) & 0xffff);
+}
+
+static struct clocksource clocksource_timersp = {
+ .name = "timer2",
+ .rating = 200,
+ .read = timersp_read,
+ .mask = CLOCKSOURCE_MASK(16),
+ .shift = 16,
+ .flags = CLOCK_SOURCE_IS_CONTINUOUS,
+};
+
+static void integrator_clocksource_init(u32 khz)
+{
+ struct clocksource *cs = &clocksource_timersp;
+ void __iomem *base = clksrc_base;
+ u32 ctrl = TIMER_CTRL_ENABLE;
+
+ if (khz >= 1500) {
+ khz /= 16;
+ ctrl = TIMER_CTRL_DIV16;
+ }
+
+ writel(ctrl, base + TIMER_CTRL);
+ writel(0xffff, base + TIMER_LOAD);
+
+ cs->mult = clocksource_khz2mult(khz, cs->shift);
+ clocksource_register(cs);
+}
+
+static void __iomem * const clkevt_base = (void __iomem *)TIMER1_VA_BASE;
+
+/*
+ * IRQ handler for the timer
+ */
+static irqreturn_t integrator_timer_interrupt(int irq, void *dev_id)
+{
+ struct clock_event_device *evt = dev_id;
+
+ /* clear the interrupt */
+ writel(1, clkevt_base + TIMER_INTCLR);
+
+ evt->event_handler(evt);
+
+ return IRQ_HANDLED;
+}
+
+static void clkevt_set_mode(enum clock_event_mode mode, struct clock_event_device *evt)
+{
+ u32 ctrl = readl(clkevt_base + TIMER_CTRL) & ~TIMER_CTRL_ENABLE;
+
+ BUG_ON(mode == CLOCK_EVT_MODE_ONESHOT);
+
+ if (mode == CLOCK_EVT_MODE_PERIODIC) {
+ writel(ctrl, clkevt_base + TIMER_CTRL);
+ writel(timer_reload, clkevt_base + TIMER_LOAD);
+ ctrl |= TIMER_CTRL_PERIODIC | TIMER_CTRL_ENABLE;
+ }
+
+ writel(ctrl, clkevt_base + TIMER_CTRL);
+}
+
+static int clkevt_set_next_event(unsigned long next, struct clock_event_device *evt)
+{
+ unsigned long ctrl = readl(clkevt_base + TIMER_CTRL);
+
+ writel(ctrl & ~TIMER_CTRL_ENABLE, clkevt_base + TIMER_CTRL);
+ writel(next, clkevt_base + TIMER_LOAD);
+ writel(ctrl | TIMER_CTRL_ENABLE, clkevt_base + TIMER_CTRL);
+
+ return 0;
+}
+
+static struct clock_event_device integrator_clockevent = {
+ .name = "timer1",
+ .shift = 34,
+ .features = CLOCK_EVT_FEAT_PERIODIC,
+ .set_mode = clkevt_set_mode,
+ .set_next_event = clkevt_set_next_event,
+ .rating = 300,
+ .cpumask = cpu_all_mask,
+};
+
+static struct irqaction integrator_timer_irq = {
+ .name = "timer",
+ .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
+ .handler = integrator_timer_interrupt,
+ .dev_id = &integrator_clockevent,
+};
+
+static void integrator_clockevent_init(u32 khz)
+{
+ struct clock_event_device *evt = &integrator_clockevent;
+ unsigned int ctrl = 0;
+
+ if (khz * 1000 > 0x100000 * HZ) {
+ khz /= 256;
+ ctrl |= TIMER_CTRL_DIV256;
+ } else if (khz * 1000 > 0x10000 * HZ) {
+ khz /= 16;
+ ctrl |= TIMER_CTRL_DIV16;
+ }
+
+ timer_reload = khz * 1000 / HZ;
+ writel(ctrl, clkevt_base + TIMER_CTRL);
+
+ evt->irq = IRQ_TIMERINT1;
+ evt->mult = div_sc(khz, NSEC_PER_MSEC, evt->shift);
+ evt->max_delta_ns = clockevent_delta2ns(0xffff, evt);
+ evt->min_delta_ns = clockevent_delta2ns(0xf, evt);
+
+ setup_irq(IRQ_TIMERINT1, &integrator_timer_irq);
+ clockevents_register_device(evt);
+}
+
+/*
+ * Set up timer(s).
+ */
static void __init ap_init_timer(void)
{
- integrator_time_init(1000000 * TICKS_PER_uSEC / HZ, 0);
+ u32 khz = TICKS_PER_uSEC * 1000;
+
+ writel(0, TIMER0_VA_BASE + TIMER_CTRL);
+ writel(0, TIMER1_VA_BASE + TIMER_CTRL);
+ writel(0, TIMER2_VA_BASE + TIMER_CTRL);
+
+ integrator_clocksource_init(khz);
+ integrator_clockevent_init(khz);
}
static struct sys_timer ap_timer = {
.init = ap_init_timer,
- .offset = integrator_gettimeoffset,
};
MACHINE_START(INTEGRATOR, "ARM-Integrator")
diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c
index 15e6cc5a352f..cde57b2b83b5 100644
--- a/arch/arm/mach-integrator/integrator_cp.c
+++ b/arch/arm/mach-integrator/integrator_cp.c
@@ -25,10 +25,12 @@
#include <asm/clkdev.h>
#include <mach/clkdev.h>
#include <mach/hardware.h>
+#include <mach/platform.h>
#include <asm/irq.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
-#include <asm/hardware/icst525.h>
+#include <asm/hardware/arm_timer.h>
+#include <asm/hardware/icst.h>
#include <mach/cm.h>
#include <mach/lm.h>
@@ -39,24 +41,20 @@
#include <asm/mach/map.h>
#include <asm/mach/time.h>
-#include "common.h"
-
-#define INTCP_PA_MMC_BASE 0x1c000000
-#define INTCP_PA_AACI_BASE 0x1d000000
+#include <plat/timer-sp.h>
#define INTCP_PA_FLASH_BASE 0x24000000
#define INTCP_FLASH_SIZE SZ_32M
#define INTCP_PA_CLCD_BASE 0xc0000000
-#define INTCP_VA_CIC_BASE IO_ADDRESS(INTEGRATOR_HDR_BASE) + 0x40
+#define INTCP_VA_CIC_BASE IO_ADDRESS(INTEGRATOR_HDR_BASE + 0x40)
#define INTCP_VA_PIC_BASE IO_ADDRESS(INTEGRATOR_IC_BASE)
-#define INTCP_VA_SIC_BASE IO_ADDRESS(0xca000000)
+#define INTCP_VA_SIC_BASE IO_ADDRESS(INTEGRATOR_CP_SIC_BASE)
-#define INTCP_PA_ETH_BASE 0xc8000000
#define INTCP_ETH_SIZE 0x10
-#define INTCP_VA_CTRL_BASE IO_ADDRESS(0xcb000000)
+#define INTCP_VA_CTRL_BASE IO_ADDRESS(INTEGRATOR_CP_CTL_BASE)
#define INTCP_FLASHPROG 0x04
#define CINTEGRATOR_FLASHPROG_FLVPPEN (1 << 0)
#define CINTEGRATOR_FLASHPROG_FLWREN (1 << 1)
@@ -71,7 +69,9 @@
* f1600000 16000000 UART 0
* f1700000 17000000 UART 1
* f1a00000 1a000000 Debug LEDs
- * f1b00000 1b000000 GPIO
+ * fc900000 c9000000 GPIO
+ * fca00000 ca000000 SIC
+ * fcb00000 cb000000 CP system control
*/
static struct map_desc intcp_io_desc[] __initdata = {
@@ -116,18 +116,18 @@ static struct map_desc intcp_io_desc[] __initdata = {
.length = SZ_4K,
.type = MT_DEVICE
}, {
- .virtual = IO_ADDRESS(INTEGRATOR_GPIO_BASE),
- .pfn = __phys_to_pfn(INTEGRATOR_GPIO_BASE),
+ .virtual = IO_ADDRESS(INTEGRATOR_CP_GPIO_BASE),
+ .pfn = __phys_to_pfn(INTEGRATOR_CP_GPIO_BASE),
.length = SZ_4K,
.type = MT_DEVICE
}, {
- .virtual = IO_ADDRESS(0xca000000),
- .pfn = __phys_to_pfn(0xca000000),
+ .virtual = IO_ADDRESS(INTEGRATOR_CP_SIC_BASE),
+ .pfn = __phys_to_pfn(INTEGRATOR_CP_SIC_BASE),
.length = SZ_4K,
.type = MT_DEVICE
}, {
- .virtual = IO_ADDRESS(0xcb000000),
- .pfn = __phys_to_pfn(0xcb000000),
+ .virtual = IO_ADDRESS(INTEGRATOR_CP_CTL_BASE),
+ .pfn = __phys_to_pfn(INTEGRATOR_CP_CTL_BASE),
.length = SZ_4K,
.type = MT_DEVICE
}
@@ -266,33 +266,43 @@ static void __init intcp_init_irq(void)
/*
* Clock handling
*/
-#define CM_LOCK (IO_ADDRESS(INTEGRATOR_HDR_BASE)+INTEGRATOR_HDR_LOCK_OFFSET)
-#define CM_AUXOSC (IO_ADDRESS(INTEGRATOR_HDR_BASE)+0x1c)
+#define CM_LOCK (__io_address(INTEGRATOR_HDR_BASE)+INTEGRATOR_HDR_LOCK_OFFSET)
+#define CM_AUXOSC (__io_address(INTEGRATOR_HDR_BASE)+0x1c)
-static const struct icst525_params cp_auxvco_params = {
- .ref = 24000,
- .vco_max = 320000,
+static const struct icst_params cp_auxvco_params = {
+ .ref = 24000000,
+ .vco_max = ICST525_VCO_MAX_5V,
+ .vco_min = ICST525_VCO_MIN,
.vd_min = 8,
.vd_max = 263,
.rd_min = 3,
.rd_max = 65,
+ .s2div = icst525_s2div,
+ .idx2s = icst525_idx2s,
};
-static void cp_auxvco_set(struct clk *clk, struct icst525_vco vco)
+static void cp_auxvco_set(struct clk *clk, struct icst_vco vco)
{
u32 val;
- val = readl(CM_AUXOSC) & ~0x7ffff;
+ val = readl(clk->vcoreg) & ~0x7ffff;
val |= vco.v | (vco.r << 9) | (vco.s << 16);
writel(0xa05f, CM_LOCK);
- writel(val, CM_AUXOSC);
+ writel(val, clk->vcoreg);
writel(0, CM_LOCK);
}
+static const struct clk_ops cp_auxclk_ops = {
+ .round = icst_clk_round,
+ .set = icst_clk_set,
+ .setvco = cp_auxvco_set,
+};
+
static struct clk cp_auxclk = {
+ .ops = &cp_auxclk_ops,
.params = &cp_auxvco_params,
- .setvco = cp_auxvco_set,
+ .vcoreg = CM_AUXOSC,
};
static struct clk_lookup cp_lookups[] = {
@@ -363,8 +373,8 @@ static struct platform_device intcp_flash_device = {
static struct resource smc91x_resources[] = {
[0] = {
- .start = INTCP_PA_ETH_BASE,
- .end = INTCP_PA_ETH_BASE + INTCP_ETH_SIZE - 1,
+ .start = INTEGRATOR_CP_ETH_BASE,
+ .end = INTEGRATOR_CP_ETH_BASE + INTCP_ETH_SIZE - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
@@ -394,8 +404,8 @@ static struct platform_device *intcp_devs[] __initdata = {
*/
static unsigned int mmc_status(struct device *dev)
{
- unsigned int status = readl(IO_ADDRESS(0xca000000) + 4);
- writel(8, IO_ADDRESS(0xcb000000) + 8);
+ unsigned int status = readl(IO_ADDRESS(0xca000000 + 4));
+ writel(8, IO_ADDRESS(INTEGRATOR_CP_CTL_BASE + 8));
return status & 8;
}
@@ -413,8 +423,8 @@ static struct amba_device mmc_device = {
.platform_data = &mmc_data,
},
.res = {
- .start = INTCP_PA_MMC_BASE,
- .end = INTCP_PA_MMC_BASE + SZ_4K - 1,
+ .start = INTEGRATOR_CP_MMC_BASE,
+ .end = INTEGRATOR_CP_MMC_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
.irq = { IRQ_CP_MMCIINT0, IRQ_CP_MMCIINT1 },
@@ -426,8 +436,8 @@ static struct amba_device aaci_device = {
.init_name = "mb:1d",
},
.res = {
- .start = INTCP_PA_AACI_BASE,
- .end = INTCP_PA_AACI_BASE + SZ_4K - 1,
+ .start = INTEGRATOR_CP_AACI_BASE,
+ .end = INTEGRATOR_CP_AACI_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
.irq = { IRQ_CP_AACIINT, NO_IRQ },
@@ -567,16 +577,22 @@ static void __init intcp_init(void)
}
}
-#define TIMER_CTRL_IE (1 << 5) /* Interrupt Enable */
+#define TIMER0_VA_BASE __io_address(INTEGRATOR_TIMER0_BASE)
+#define TIMER1_VA_BASE __io_address(INTEGRATOR_TIMER1_BASE)
+#define TIMER2_VA_BASE __io_address(INTEGRATOR_TIMER2_BASE)
static void __init intcp_timer_init(void)
{
- integrator_time_init(1000000 / HZ, TIMER_CTRL_IE);
+ writel(0, TIMER0_VA_BASE + TIMER_CTRL);
+ writel(0, TIMER1_VA_BASE + TIMER_CTRL);
+ writel(0, TIMER2_VA_BASE + TIMER_CTRL);
+
+ sp804_clocksource_init(TIMER2_VA_BASE);
+ sp804_clockevents_init(TIMER1_VA_BASE, IRQ_TIMERINT1);
}
static struct sys_timer cp_timer = {
.init = intcp_timer_init,
- .offset = integrator_gettimeoffset,
};
MACHINE_START(CINTEGRATOR, "ARM-IntegratorCP")
diff --git a/arch/arm/mach-integrator/leds.c b/arch/arm/mach-integrator/leds.c
index 8dcc823f4135..28be186adb89 100644
--- a/arch/arm/mach-integrator/leds.c
+++ b/arch/arm/mach-integrator/leds.c
@@ -27,6 +27,7 @@
#include <linux/io.h>
#include <mach/hardware.h>
+#include <mach/platform.h>
#include <asm/leds.h>
#include <asm/system.h>
#include <asm/mach-types.h>
diff --git a/arch/arm/mach-integrator/pci_v3.c b/arch/arm/mach-integrator/pci_v3.c
index ffbd349363af..9cef0590d5aa 100644
--- a/arch/arm/mach-integrator/pci_v3.c
+++ b/arch/arm/mach-integrator/pci_v3.c
@@ -29,6 +29,7 @@
#include <linux/io.h>
#include <mach/hardware.h>
+#include <mach/platform.h>
#include <asm/irq.h>
#include <asm/signal.h>
#include <asm/system.h>
@@ -389,9 +390,9 @@ static int __init pci_v3_setup_resources(struct resource **resource)
* means I can't get additional information on the reason for the pm2fb
* problems. I suppose I'll just have to mind-meld with the machine. ;)
*/
-#define SC_PCI (IO_ADDRESS(INTEGRATOR_SC_BASE) + INTEGRATOR_SC_PCIENABLE_OFFSET)
-#define SC_LBFADDR (IO_ADDRESS(INTEGRATOR_SC_BASE) + 0x20)
-#define SC_LBFCODE (IO_ADDRESS(INTEGRATOR_SC_BASE) + 0x24)
+#define SC_PCI IO_ADDRESS(INTEGRATOR_SC_PCIENABLE)
+#define SC_LBFADDR IO_ADDRESS(INTEGRATOR_SC_BASE + 0x20)
+#define SC_LBFCODE IO_ADDRESS(INTEGRATOR_SC_BASE + 0x24)
static int
v3_pci_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
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