aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/mcs814x/files-3.3/arch
diff options
context:
space:
mode:
authorFlorian Fainelli <florian@openwrt.org>2012-09-08 09:51:05 +0000
committerFlorian Fainelli <florian@openwrt.org>2012-09-08 09:51:05 +0000
commit6771d63284ee86924f5705a53953a50c4c43135a (patch)
tree94ce21298e99ba002240950105fc2d258dd77dd6 /target/linux/mcs814x/files-3.3/arch
parent95f1b6d4157b93249cd6dd2a92b4116fabcff1f7 (diff)
downloadupstream-6771d63284ee86924f5705a53953a50c4c43135a.tar.gz
upstream-6771d63284ee86924f5705a53953a50c4c43135a.tar.bz2
upstream-6771d63284ee86924f5705a53953a50c4c43135a.zip
use the recommended ARM I/O accessors
use {read,write}l_relaxed instead of the plain __raw_{read,write}l variants. SVN-Revision: 33330
Diffstat (limited to 'target/linux/mcs814x/files-3.3/arch')
-rw-r--r--target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/clock.c6
-rw-r--r--target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/common.c12
-rw-r--r--target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/irq.c2
-rw-r--r--target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/pci.c38
-rw-r--r--target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/timer.c17
5 files changed, 39 insertions, 36 deletions
diff --git a/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/clock.c b/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/clock.c
index 88ecdffbb2..413bfecaa1 100644
--- a/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/clock.c
+++ b/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/clock.c
@@ -54,13 +54,13 @@ static int clk_local_onoff_enable(struct clk *clk, int enable)
if (!clk->enable_reg)
return 0;
- tmp = __raw_readl(mcs814x_sysdbg_base + clk->enable_reg);
+ tmp = readl_relaxed(mcs814x_sysdbg_base + clk->enable_reg);
if (!enable)
tmp &= ~clk->enable_mask;
else
tmp |= clk->enable_mask;
- __raw_writel(tmp, mcs814x_sysdbg_base + clk->enable_reg);
+ writel_relaxed(tmp, mcs814x_sysdbg_base + clk->enable_reg);
return 0;
}
@@ -254,7 +254,7 @@ void __init mcs814x_clk_init(void)
clkdev_add_table(mcs814x_chip_clks, ARRAY_SIZE(mcs814x_chip_clks));
/* read the bootstrap registers to know the exact clocking scheme */
- bs1 = __raw_readl(mcs814x_sysdbg_base + SYSDBG_BS1);
+ bs1 = readl_relaxed(mcs814x_sysdbg_base + SYSDBG_BS1);
cpu_freq = (bs1 >> CPU_FREQ_SHIFT) & CPU_FREQ_MASK;
pr_info("CPU frequency: %lu (kHz)\n", cpu_freq_table[cpu_freq]);
diff --git a/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/common.c b/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/common.c
index 53d3521dc6..b679c04429 100644
--- a/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/common.c
+++ b/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/common.c
@@ -67,22 +67,22 @@ static void mcs814x_eth_hardware_filter_set(u8 value)
{
u32 reg;
- reg = __raw_readl(MCS814X_VIRT_BASE + MCS814X_DBGLED);
+ reg = readl_relaxed(MCS814X_VIRT_BASE + MCS814X_DBGLED);
if (value)
reg |= 0x80;
else
reg &= ~0x80;
- __raw_writel(reg, MCS814X_VIRT_BASE + MCS814X_DBGLED);
+ writel_relaxed(reg, MCS814X_VIRT_BASE + MCS814X_DBGLED);
}
static void mcs814x_eth_led_cfg_set(u8 cfg)
{
u32 reg;
- reg = __raw_readl(mcs814x_sysdbg_base + SYSDBG_BS2);
+ reg = readl_relaxed(mcs814x_sysdbg_base + SYSDBG_BS2);
reg &= ~LED_CFG_MASK;
reg |= cfg;
- __raw_writel(reg, mcs814x_sysdbg_base + SYSDBG_BS2);
+ writel_relaxed(reg, mcs814x_sysdbg_base + SYSDBG_BS2);
}
static void mcs814x_eth_buffer_shifting_set(u8 value)
@@ -134,7 +134,7 @@ void __init mcs814x_init_machine(void)
u32 bs2, cpu_mode;
int gpio;
- bs2 = __raw_readl(mcs814x_sysdbg_base + SYSDBG_BS2);
+ bs2 = readl_relaxed(mcs814x_sysdbg_base + SYSDBG_BS2);
cpu_mode = (bs2 >> CPU_MODE_SHIFT) & CPU_MODE_MASK;
pr_info("CPU mode: %s\n", cpu_modes[cpu_mode].name);
@@ -161,5 +161,5 @@ void __init mcs814x_map_io(void)
void mcs814x_restart(char mode, const char *cmd)
{
- __raw_writel(~(1 << 31), mcs814x_sysdbg_base);
+ writel_relaxed(~(1 << 31), mcs814x_sysdbg_base);
}
diff --git a/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/irq.c b/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/irq.c
index e2ce52a69a..c1e48927de 100644
--- a/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/irq.c
+++ b/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/irq.c
@@ -40,7 +40,7 @@ static void __init mcs814x_alloc_gc(void __iomem *base, unsigned int irq_start,
IRQ_NOREQUEST, 0);
/* Clear all interrupts */
- __raw_writel(0xffffffff, base + MCS814X_IRQ_ICR);
+ writel_relaxed(0xffffffff, base + MCS814X_IRQ_ICR);
}
static const struct of_device_id mcs814x_intc_ids[] = {
diff --git a/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/pci.c b/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/pci.c
index a871aa86c3..3606fe84e4 100644
--- a/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/pci.c
+++ b/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/pci.c
@@ -93,13 +93,13 @@ static int mcs8140_pci_host_status(void)
{
u32 host_status;
- host_status = __raw_readl(mcs8140_pci_master_base + PCI_IF_CONFIG);
+ host_status = readl_relaxed(mcs8140_pci_master_base + PCI_IF_CONFIG);
if (host_status & PCI_FATAL_ERROR) {
- __raw_writel(host_status & 0xfffffff0,
+ writel_relaxed(host_status & 0xfffffff0,
mcs8140_pci_master_base + PCI_IF_CONFIG);
/* flush write */
host_status =
- __raw_readl(mcs8140_pci_master_base + PCI_IF_CONFIG);
+ readl_relaxed(mcs8140_pci_master_base + PCI_IF_CONFIG);
return 1;
}
@@ -124,7 +124,7 @@ static int mcs8140_pci_read_config(struct pci_bus *bus,
break;
default:
addr &= ~3;
- v = __raw_readl(addr);
+ v = readl_relaxed(addr);
break;
}
} else
@@ -140,10 +140,10 @@ static int mcs8140_pci_read_config(struct pci_bus *bus,
static void mcs8140_eeprom_emu_init(void)
{
- __raw_writel(0x0000000F, mcs8140_eeprom_emu_base + EPRM_SDRAM_FUNC0);
- __raw_writel(0x08000000, MCS8140_PCI_CFG_VIRT_BASE + 0x10);
+ writel_relaxed(0x0000000F, mcs8140_eeprom_emu_base + EPRM_SDRAM_FUNC0);
+ writel_relaxed(0x08000000, MCS8140_PCI_CFG_VIRT_BASE + 0x10);
/* Set the DONE bit of the EEPROM emulator */
- __raw_writel(0x01, mcs8140_eeprom_emu_base + EPRM_DONE);
+ writel_relaxed(0x01, mcs8140_eeprom_emu_base + EPRM_DONE);
}
static int mcs8140_pci_write_config(struct pci_bus *bus,
@@ -161,7 +161,7 @@ static int mcs8140_pci_write_config(struct pci_bus *bus,
__raw_writew((u16)val, addr);
break;
case 4:
- __raw_writel(val, addr);
+ writel_relaxed(val, addr);
break;
}
}
@@ -260,7 +260,7 @@ int __init pci_mcs8140_setup(int nr, struct pci_sys_data *sys)
goto out;
}
- val = __raw_readl(MCS8140_PCI_CFG_VIRT_BASE);
+ val = readl_relaxed(MCS8140_PCI_CFG_VIRT_BASE);
if (val != MCS8140_PCI_DEVICE_ID) {
pr_err("cannot find MCS8140 PCI Core: %08x\n", val);
ret = -EIO;
@@ -269,11 +269,11 @@ int __init pci_mcs8140_setup(int nr, struct pci_sys_data *sys)
pr_info("MCS8140 PCI core found\n");
- val = __raw_readl(MCS8140_PCI_CFG_VIRT_BASE + PCI_COMMAND);
+ val = readl_relaxed(MCS8140_PCI_CFG_VIRT_BASE + PCI_COMMAND);
/* Added to support wireless cards */
- __raw_writel(0, MCS8140_PCI_CFG_VIRT_BASE + 0x40);
- __raw_writel(val | 0x147, MCS8140_PCI_CFG_VIRT_BASE + PCI_COMMAND);
- val = __raw_readl(MCS8140_PCI_CFG_VIRT_BASE + PCI_COMMAND);
+ writel_relaxed(0, MCS8140_PCI_CFG_VIRT_BASE + 0x40);
+ writel_relaxed(val | 0x147, MCS8140_PCI_CFG_VIRT_BASE + PCI_COMMAND);
+ val = readl_relaxed(MCS8140_PCI_CFG_VIRT_BASE + PCI_COMMAND);
ret = 1;
out:
return ret;
@@ -302,14 +302,14 @@ static irqreturn_t mcs8140_pci_abort_interrupt(int irq, void *dummy)
{
u32 word;
- word = __raw_readl(mcs8140_pci_master_base + PCI_IF_CONFIG);
+ word = readl_relaxed(mcs8140_pci_master_base + PCI_IF_CONFIG);
if (!(word & (1 << 24)))
return IRQ_NONE;
- __raw_writel(word & 0xfffffff0,
+ writel_relaxed(word & 0xfffffff0,
mcs8140_pci_master_base + PCI_IF_CONFIG);
/* flush write */
- word = __raw_readl(mcs8140_pci_master_base + PCI_IF_CONFIG);
+ word = readl_relaxed(mcs8140_pci_master_base + PCI_IF_CONFIG);
return IRQ_HANDLED;
}
@@ -319,12 +319,12 @@ static int mcs8140_pci_abort_irq_init(int irq)
u32 word;
/* Enable Interrupt in PCI Master Core */
- word = __raw_readl(mcs8140_pci_master_base + PCI_IF_CONFIG);
+ word = readl_relaxed(mcs8140_pci_master_base + PCI_IF_CONFIG);
word |= (1 << 24);
- __raw_writel(word, mcs8140_pci_master_base + PCI_IF_CONFIG);
+ writel_relaxed(word, mcs8140_pci_master_base + PCI_IF_CONFIG);
/* flush write */
- word = __raw_readl(mcs8140_pci_master_base + PCI_IF_CONFIG);
+ word = readl_relaxed(mcs8140_pci_master_base + PCI_IF_CONFIG);
return request_irq(irq, mcs8140_pci_abort_interrupt, 0,
"PCI abort", NULL);
diff --git a/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/timer.c b/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/timer.c
index e1f3730383..0947fb245f 100644
--- a/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/timer.c
+++ b/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/timer.c
@@ -22,6 +22,8 @@
/* Timer block registers */
#define TIMER_VAL 0x00
#define TIMER_CTL 0x04
+#define TIMER_CTL_EN 0x01
+#define TIMER_CTL_DBG 0x02
static u32 last_reload;
static u32 timer_correct;
@@ -40,7 +42,7 @@ static inline unsigned long ticks2usecs(u32 x)
*/
static unsigned long mcs814x_gettimeoffset(void)
{
- u32 ticks = __raw_readl(mcs814x_timer_base + TIMER_VAL);
+ u32 ticks = readl_relaxed(mcs814x_timer_base + TIMER_VAL);
if (ticks < last_reload)
return ticks2usecs(ticks + (u32)(0xffffffff - last_reload));
@@ -51,7 +53,7 @@ static unsigned long mcs814x_gettimeoffset(void)
static irqreturn_t mcs814x_timer_interrupt(int irq, void *dev_id)
{
- u32 count = __raw_readl(mcs814x_timer_base + TIMER_VAL);
+ u32 count = readl_relaxed(mcs814x_timer_base + TIMER_VAL);
/* take into account delay up to this moment */
last_reload = count + timer_correct + timer_reload_value;
@@ -60,9 +62,9 @@ static irqreturn_t mcs814x_timer_interrupt(int irq, void *dev_id)
last_reload = timer_reload_value;
} else {
if (timer_correct == 0)
- timer_correct = __raw_readl(mcs814x_timer_base + TIMER_VAL) - count;
+ timer_correct = readl_relaxed(mcs814x_timer_base + TIMER_VAL) - count;
}
- __raw_writel(last_reload, mcs814x_timer_base + TIMER_VAL);
+ writel_relaxed(last_reload, mcs814x_timer_base + TIMER_VAL);
timer_tick();
@@ -118,13 +120,14 @@ static void __init mcs814x_timer_init(void)
timer_reload_value = 0xffffffff - (clock_rate / HZ);
/* disable timer */
- __raw_writel(0, mcs814x_timer_base + TIMER_CTL);
- __raw_writel(timer_reload_value, mcs814x_timer_base + TIMER_VAL);
+ writel_relaxed(~TIMER_CTL_EN, mcs814x_timer_base + TIMER_CTL);
+ writel_relaxed(timer_reload_value, mcs814x_timer_base + TIMER_VAL);
last_reload = timer_reload_value;
setup_irq(mcs814x_timer_irq.irq, &mcs814x_timer_irq);
/* enable timer, stop timer in debug mode */
- __raw_writel(0x03, mcs814x_timer_base + TIMER_CTL);
+ writel_relaxed(TIMER_CTL_EN | TIMER_CTL_DBG,
+ mcs814x_timer_base + TIMER_CTL);
}
struct sys_timer mcs814x_timer = {