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Diffstat (limited to 'arch/arm/mach-omap1')
-rw-r--r--arch/arm/mach-omap1/clock.c407
-rw-r--r--arch/arm/mach-omap1/clock.h412
-rw-r--r--arch/arm/mach-omap1/mcbsp.c52
3 files changed, 398 insertions, 473 deletions
diff --git a/arch/arm/mach-omap1/clock.c b/arch/arm/mach-omap1/clock.c
index 5fba20731710..dafe4f71d15f 100644
--- a/arch/arm/mach-omap1/clock.c
+++ b/arch/arm/mach-omap1/clock.c
@@ -20,41 +20,161 @@
#include <linux/io.h>
#include <asm/mach-types.h>
+#include <asm/clkdev.h>
#include <mach/cpu.h>
#include <mach/usb.h>
#include <mach/clock.h>
#include <mach/sram.h>
+static const struct clkops clkops_generic;
+static const struct clkops clkops_uart;
+static const struct clkops clkops_dspck;
+
#include "clock.h"
+static int clk_omap1_dummy_enable(struct clk *clk)
+{
+ return 0;
+}
+
+static void clk_omap1_dummy_disable(struct clk *clk)
+{
+}
+
+static const struct clkops clkops_dummy = {
+ .enable = clk_omap1_dummy_enable,
+ .disable = clk_omap1_dummy_disable,
+};
+
+static struct clk dummy_ck = {
+ .name = "dummy",
+ .ops = &clkops_dummy,
+ .flags = RATE_FIXED,
+};
+
+struct omap_clk {
+ u32 cpu;
+ struct clk_lookup lk;
+};
+
+#define CLK(dev, con, ck, cp) \
+ { \
+ .cpu = cp, \
+ .lk = { \
+ .dev_id = dev, \
+ .con_id = con, \
+ .clk = ck, \
+ }, \
+ }
+
+#define CK_310 (1 << 0)
+#define CK_730 (1 << 1)
+#define CK_1510 (1 << 2)
+#define CK_16XX (1 << 3)
+
+static struct omap_clk omap_clks[] = {
+ /* non-ULPD clocks */
+ CLK(NULL, "ck_ref", &ck_ref, CK_16XX | CK_1510 | CK_310),
+ CLK(NULL, "ck_dpll1", &ck_dpll1, CK_16XX | CK_1510 | CK_310),
+ /* CK_GEN1 clocks */
+ CLK(NULL, "ck_dpll1out", &ck_dpll1out.clk, CK_16XX),
+ CLK(NULL, "ck_sossi", &sossi_ck, CK_16XX),
+ CLK(NULL, "arm_ck", &arm_ck, CK_16XX | CK_1510 | CK_310),
+ CLK(NULL, "armper_ck", &armper_ck.clk, CK_16XX | CK_1510 | CK_310),
+ CLK(NULL, "arm_gpio_ck", &arm_gpio_ck, CK_1510 | CK_310),
+ CLK(NULL, "armxor_ck", &armxor_ck.clk, CK_16XX | CK_1510 | CK_310),
+ CLK(NULL, "armtim_ck", &armtim_ck.clk, CK_16XX | CK_1510 | CK_310),
+ CLK("omap_wdt", "fck", &armwdt_ck.clk, CK_16XX | CK_1510 | CK_310),
+ CLK("omap_wdt", "ick", &armper_ck.clk, CK_16XX),
+ CLK("omap_wdt", "ick", &dummy_ck, CK_1510 | CK_310),
+ CLK(NULL, "arminth_ck", &arminth_ck1510, CK_1510 | CK_310),
+ CLK(NULL, "arminth_ck", &arminth_ck16xx, CK_16XX),
+ /* CK_GEN2 clocks */
+ CLK(NULL, "dsp_ck", &dsp_ck, CK_16XX | CK_1510 | CK_310),
+ CLK(NULL, "dspmmu_ck", &dspmmu_ck, CK_16XX | CK_1510 | CK_310),
+ CLK(NULL, "dspper_ck", &dspper_ck, CK_16XX | CK_1510 | CK_310),
+ CLK(NULL, "dspxor_ck", &dspxor_ck, CK_16XX | CK_1510 | CK_310),
+ CLK(NULL, "dsptim_ck", &dsptim_ck, CK_16XX | CK_1510 | CK_310),
+ /* CK_GEN3 clocks */
+ CLK(NULL, "tc_ck", &tc_ck.clk, CK_16XX | CK_1510 | CK_310 | CK_730),
+ CLK(NULL, "tipb_ck", &tipb_ck, CK_1510 | CK_310),
+ CLK(NULL, "l3_ocpi_ck", &l3_ocpi_ck, CK_16XX),
+ CLK(NULL, "tc1_ck", &tc1_ck, CK_16XX),
+ CLK(NULL, "tc2_ck", &tc2_ck, CK_16XX),
+ CLK(NULL, "dma_ck", &dma_ck, CK_16XX | CK_1510 | CK_310),
+ CLK(NULL, "dma_lcdfree_ck", &dma_lcdfree_ck, CK_16XX),
+ CLK(NULL, "api_ck", &api_ck.clk, CK_16XX | CK_1510 | CK_310),
+ CLK(NULL, "lb_ck", &lb_ck.clk, CK_1510 | CK_310),
+ CLK(NULL, "rhea1_ck", &rhea1_ck, CK_16XX),
+ CLK(NULL, "rhea2_ck", &rhea2_ck, CK_16XX),
+ CLK(NULL, "lcd_ck", &lcd_ck_16xx, CK_16XX | CK_730),
+ CLK(NULL, "lcd_ck", &lcd_ck_1510.clk, CK_1510 | CK_310),
+ /* ULPD clocks */
+ CLK(NULL, "uart1_ck", &uart1_1510, CK_1510 | CK_310),
+ CLK(NULL, "uart1_ck", &uart1_16xx.clk, CK_16XX),
+ CLK(NULL, "uart2_ck", &uart2_ck, CK_16XX | CK_1510 | CK_310),
+ CLK(NULL, "uart3_ck", &uart3_1510, CK_1510 | CK_310),
+ CLK(NULL, "uart3_ck", &uart3_16xx.clk, CK_16XX),
+ CLK(NULL, "usb_clko", &usb_clko, CK_16XX | CK_1510 | CK_310),
+ CLK(NULL, "usb_hhc_ck", &usb_hhc_ck1510, CK_1510 | CK_310),
+ CLK(NULL, "usb_hhc_ck", &usb_hhc_ck16xx, CK_16XX),
+ CLK(NULL, "usb_dc_ck", &usb_dc_ck, CK_16XX),
+ CLK(NULL, "mclk", &mclk_1510, CK_1510 | CK_310),
+ CLK(NULL, "mclk", &mclk_16xx, CK_16XX),
+ CLK(NULL, "bclk", &bclk_1510, CK_1510 | CK_310),
+ CLK(NULL, "bclk", &bclk_16xx, CK_16XX),
+ CLK("mmci-omap.0", "fck", &mmc1_ck, CK_16XX | CK_1510 | CK_310),
+ CLK("mmci-omap.0", "ick", &armper_ck.clk, CK_16XX | CK_1510 | CK_310),
+ CLK("mmci-omap.1", "fck", &mmc2_ck, CK_16XX),
+ CLK("mmci-omap.1", "ick", &armper_ck.clk, CK_16XX),
+ /* Virtual clocks */
+ CLK(NULL, "mpu", &virtual_ck_mpu, CK_16XX | CK_1510 | CK_310),
+ CLK("i2c_omap.1", "fck", &i2c_fck, CK_16XX | CK_1510 | CK_310),
+ CLK("i2c_omap.1", "ick", &i2c_ick, CK_16XX),
+ CLK("i2c_omap.1", "ick", &dummy_ck, CK_1510 | CK_310),
+ CLK("omap_uwire", "fck", &armxor_ck.clk, CK_16XX | CK_1510 | CK_310),
+ CLK("omap-mcbsp.1", "ick", &dspper_ck, CK_16XX),
+ CLK("omap-mcbsp.1", "ick", &dummy_ck, CK_1510 | CK_310),
+ CLK("omap-mcbsp.2", "ick", &armper_ck.clk, CK_16XX),
+ CLK("omap-mcbsp.2", "ick", &dummy_ck, CK_1510 | CK_310),
+ CLK("omap-mcbsp.3", "ick", &dspper_ck, CK_16XX),
+ CLK("omap-mcbsp.3", "ick", &dummy_ck, CK_1510 | CK_310),
+ CLK("omap-mcbsp.1", "fck", &dspxor_ck, CK_16XX | CK_1510 | CK_310),
+ CLK("omap-mcbsp.2", "fck", &armper_ck.clk, CK_16XX | CK_1510 | CK_310),
+ CLK("omap-mcbsp.3", "fck", &dspxor_ck, CK_16XX | CK_1510 | CK_310),
+};
+
+static int omap1_clk_enable_generic(struct clk * clk);
+static int omap1_clk_enable(struct clk *clk);
+static void omap1_clk_disable_generic(struct clk * clk);
+static void omap1_clk_disable(struct clk *clk);
+
__u32 arm_idlect1_mask;
/*-------------------------------------------------------------------------
* Omap1 specific clock functions
*-------------------------------------------------------------------------*/
-static void omap1_watchdog_recalc(struct clk * clk)
+static unsigned long omap1_watchdog_recalc(struct clk *clk)
{
- clk->rate = clk->parent->rate / 14;
+ return clk->parent->rate / 14;
}
-static void omap1_uart_recalc(struct clk * clk)
+static unsigned long omap1_uart_recalc(struct clk *clk)
{
- unsigned int val = omap_readl(clk->enable_reg);
- if (val & clk->enable_bit)
- clk->rate = 48000000;
- else
- clk->rate = 12000000;
+ unsigned int val = __raw_readl(clk->enable_reg);
+ return val & clk->enable_bit ? 48000000 : 12000000;
}
-static void omap1_sossi_recalc(struct clk *clk)
+static unsigned long omap1_sossi_recalc(struct clk *clk)
{
u32 div = omap_readl(MOD_CONF_CTRL_1);
div = (div >> 17) & 0x7;
div++;
- clk->rate = clk->parent->rate / div;
+
+ return clk->parent->rate / div;
}
static int omap1_clk_enable_dsp_domain(struct clk *clk)
@@ -78,6 +198,11 @@ static void omap1_clk_disable_dsp_domain(struct clk *clk)
}
}
+static const struct clkops clkops_dspck = {
+ .enable = &omap1_clk_enable_dsp_domain,
+ .disable = &omap1_clk_disable_dsp_domain,
+};
+
static int omap1_clk_enable_uart_functional(struct clk *clk)
{
int ret;
@@ -105,6 +230,11 @@ static void omap1_clk_disable_uart_functional(struct clk *clk)
omap1_clk_disable_generic(clk);
}
+static const struct clkops clkops_uart = {
+ .enable = &omap1_clk_enable_uart_functional,
+ .disable = &omap1_clk_disable_uart_functional,
+};
+
static void omap1_clk_allow_idle(struct clk *clk)
{
struct arm_idlect1_clk * iclk = (struct arm_idlect1_clk *)clk;
@@ -197,9 +327,6 @@ static int calc_dsor_exp(struct clk *clk, unsigned long rate)
struct clk * parent;
unsigned dsor_exp;
- if (unlikely(!(clk->flags & RATE_CKCTL)))
- return -EINVAL;
-
parent = clk->parent;
if (unlikely(parent == NULL))
return -EIO;
@@ -215,22 +342,15 @@ static int calc_dsor_exp(struct clk *clk, unsigned long rate)
return dsor_exp;
}
-static void omap1_ckctl_recalc(struct clk * clk)
+static unsigned long omap1_ckctl_recalc(struct clk *clk)
{
- int dsor;
-
/* Calculate divisor encoded as 2-bit exponent */
- dsor = 1 << (3 & (omap_readw(ARM_CKCTL) >> clk->rate_offset));
+ int dsor = 1 << (3 & (omap_readw(ARM_CKCTL) >> clk->rate_offset));
- if (unlikely(clk->rate == clk->parent->rate / dsor))
- return; /* No change, quick exit */
- clk->rate = clk->parent->rate / dsor;
-
- if (unlikely(clk->flags & RATE_PROPAGATES))
- propagate_rate(clk);
+ return clk->parent->rate / dsor;
}
-static void omap1_ckctl_recalc_dsp_domain(struct clk * clk)
+static unsigned long omap1_ckctl_recalc_dsp_domain(struct clk *clk)
{
int dsor;
@@ -245,12 +365,7 @@ static void omap1_ckctl_recalc_dsp_domain(struct clk * clk)
dsor = 1 << (3 & (__raw_readw(DSP_CKCTL) >> clk->rate_offset));
omap1_clk_disable(&api_ck.clk);
- if (unlikely(clk->rate == clk->parent->rate / dsor))
- return; /* No change, quick exit */
- clk->rate = clk->parent->rate / dsor;
-
- if (unlikely(clk->flags & RATE_PROPAGATES))
- propagate_rate(clk);
+ return clk->parent->rate / dsor;
}
/* MPU virtual clock functions */
@@ -289,35 +404,57 @@ static int omap1_select_table_rate(struct clk * clk, unsigned long rate)
omap_sram_reprogram_clock(ptr->dpllctl_val, ptr->ckctl_val);
ck_dpll1.rate = ptr->pll_rate;
- propagate_rate(&ck_dpll1);
return 0;
}
static int omap1_clk_set_rate_dsp_domain(struct clk *clk, unsigned long rate)
{
- int ret = -EINVAL;
- int dsor_exp;
- __u16 regval;
-
- if (clk->flags & RATE_CKCTL) {
- dsor_exp = calc_dsor_exp(clk, rate);
- if (dsor_exp > 3)
- dsor_exp = -EINVAL;
- if (dsor_exp < 0)
- return dsor_exp;
-
- regval = __raw_readw(DSP_CKCTL);
- regval &= ~(3 << clk->rate_offset);
- regval |= dsor_exp << clk->rate_offset;
- __raw_writew(regval, DSP_CKCTL);
- clk->rate = clk->parent->rate / (1 << dsor_exp);
- ret = 0;
- }
+ int dsor_exp;
+ u16 regval;
- if (unlikely(ret == 0 && (clk->flags & RATE_PROPAGATES)))
- propagate_rate(clk);
+ dsor_exp = calc_dsor_exp(clk, rate);
+ if (dsor_exp > 3)
+ dsor_exp = -EINVAL;
+ if (dsor_exp < 0)
+ return dsor_exp;
- return ret;
+ regval = __raw_readw(DSP_CKCTL);
+ regval &= ~(3 << clk->rate_offset);
+ regval |= dsor_exp << clk->rate_offset;
+ __raw_writew(regval, DSP_CKCTL);
+ clk->rate = clk->parent->rate / (1 << dsor_exp);
+
+ return 0;
+}
+
+static long omap1_clk_round_rate_ckctl_arm(struct clk *clk, unsigned long rate)
+{
+ int dsor_exp = calc_dsor_exp(clk, rate);
+ if (dsor_exp < 0)
+ return dsor_exp;
+ if (dsor_exp > 3)
+ dsor_exp = 3;
+ return clk->parent->rate / (1 << dsor_exp);
+}
+
+static int omap1_clk_set_rate_ckctl_arm(struct clk *clk, unsigned long rate)
+{
+ int dsor_exp;
+ u16 regval;
+
+ dsor_exp = calc_dsor_exp(clk, rate);
+ if (dsor_exp > 3)
+ dsor_exp = -EINVAL;
+ if (dsor_exp < 0)
+ return dsor_exp;
+
+ regval = omap_readw(ARM_CKCTL);
+ regval &= ~(3 << clk->rate_offset);
+ regval |= dsor_exp << clk->rate_offset;
+ regval = verify_ckctl_value(regval);
+ omap_writew(regval, ARM_CKCTL);
+ clk->rate = clk->parent->rate / (1 << dsor_exp);
+ return 0;
}
static long omap1_round_to_table_rate(struct clk * clk, unsigned long rate)
@@ -372,14 +509,14 @@ static int omap1_set_uart_rate(struct clk * clk, unsigned long rate)
{
unsigned int val;
- val = omap_readl(clk->enable_reg);
+ val = __raw_readl(clk->enable_reg);
if (rate == 12000000)
val &= ~(1 << clk->enable_bit);
else if (rate == 48000000)
val |= (1 << clk->enable_bit);
else
return -EINVAL;
- omap_writel(val, clk->enable_reg);
+ __raw_writel(val, clk->enable_reg);
clk->rate = rate;
return 0;
@@ -398,8 +535,8 @@ static int omap1_set_ext_clk_rate(struct clk * clk, unsigned long rate)
else
ratio_bits = (dsor - 2) << 2;
- ratio_bits |= omap_readw(clk->enable_reg) & ~0xfd;
- omap_writew(ratio_bits, clk->enable_reg);
+ ratio_bits |= __raw_readw(clk->enable_reg) & ~0xfd;
+ __raw_writew(ratio_bits, clk->enable_reg);
return 0;
}
@@ -423,8 +560,6 @@ static int omap1_set_sossi_rate(struct clk *clk, unsigned long rate)
omap_writel(l, MOD_CONF_CTRL_1);
clk->rate = p_rate / (div + 1);
- if (unlikely(clk->flags & RATE_PROPAGATES))
- propagate_rate(clk);
return 0;
}
@@ -440,8 +575,8 @@ static void omap1_init_ext_clk(struct clk * clk)
__u16 ratio_bits;
/* Determine current rate and ensure clock is based on 96MHz APLL */
- ratio_bits = omap_readw(clk->enable_reg) & ~1;
- omap_writew(ratio_bits, clk->enable_reg);
+ ratio_bits = __raw_readw(clk->enable_reg) & ~1;
+ __raw_writew(ratio_bits, clk->enable_reg);
ratio_bits = (ratio_bits & 0xfc) >> 2;
if (ratio_bits > 6)
@@ -468,7 +603,7 @@ static int omap1_clk_enable(struct clk *clk)
omap1_clk_deny_idle(clk->parent);
}
- ret = clk->enable(clk);
+ ret = clk->ops->enable(clk);
if (unlikely(ret != 0) && clk->parent) {
omap1_clk_disable(clk->parent);
@@ -482,7 +617,7 @@ static int omap1_clk_enable(struct clk *clk)
static void omap1_clk_disable(struct clk *clk)
{
if (clk->usecount > 0 && !(--clk->usecount)) {
- clk->disable(clk);
+ clk->ops->disable(clk);
if (likely(clk->parent)) {
omap1_clk_disable(clk->parent);
if (clk->flags & CLOCK_NO_IDLE_PARENT)
@@ -496,9 +631,6 @@ static int omap1_clk_enable_generic(struct clk *clk)
__u16 regval16;
__u32 regval32;
- if (clk->flags & ALWAYS_ENABLED)
- return 0;
-
if (unlikely(clk->enable_reg == NULL)) {
printk(KERN_ERR "clock.c: Enable for %s without enable code\n",
clk->name);
@@ -506,25 +638,13 @@ static int omap1_clk_enable_generic(struct clk *clk)
}
if (clk->flags & ENABLE_REG_32BIT) {
- if (clk->flags & VIRTUAL_IO_ADDRESS) {
- regval32 = __raw_readl(clk->enable_reg);
- regval32 |= (1 << clk->enable_bit);
- __raw_writel(regval32, clk->enable_reg);
- } else {
- regval32 = omap_readl(clk->enable_reg);
- regval32 |= (1 << clk->enable_bit);
- omap_writel(regval32, clk->enable_reg);
- }
+ regval32 = __raw_readl(clk->enable_reg);
+ regval32 |= (1 << clk->enable_bit);
+ __raw_writel(regval32, clk->enable_reg);
} else {
- if (clk->flags & VIRTUAL_IO_ADDRESS) {
- regval16 = __raw_readw(clk->enable_reg);
- regval16 |= (1 << clk->enable_bit);
- __raw_writew(regval16, clk->enable_reg);
- } else {
- regval16 = omap_readw(clk->enable_reg);
- regval16 |= (1 << clk->enable_bit);
- omap_writew(regval16, clk->enable_reg);
- }
+ regval16 = __raw_readw(clk->enable_reg);
+ regval16 |= (1 << clk->enable_bit);
+ __raw_writew(regval16, clk->enable_reg);
}
return 0;
@@ -539,44 +659,26 @@ static void omap1_clk_disable_generic(struct clk *clk)
return;
if (clk->flags & ENABLE_REG_32BIT) {
- if (clk->flags & VIRTUAL_IO_ADDRESS) {
- regval32 = __raw_readl(clk->enable_reg);
- regval32 &= ~(1 << clk->enable_bit);
- __raw_writel(regval32, clk->enable_reg);
- } else {
- regval32 = omap_readl(clk->enable_reg);
- regval32 &= ~(1 << clk->enable_bit);
- omap_writel(regval32, clk->enable_reg);
- }
+ regval32 = __raw_readl(clk->enable_reg);
+ regval32 &= ~(1 << clk->enable_bit);
+ __raw_writel(regval32, clk->enable_reg);
} else {
- if (clk->flags & VIRTUAL_IO_ADDRESS) {
- regval16 = __raw_readw(clk->enable_reg);
- regval16 &= ~(1 << clk->enable_bit);
- __raw_writew(regval16, clk->enable_reg);
- } else {
- regval16 = omap_readw(clk->enable_reg);
- regval16 &= ~(1 << clk->enable_bit);
- omap_writew(regval16, clk->enable_reg);
- }
+ regval16 = __raw_readw(clk->enable_reg);
+ regval16 &= ~(1 << clk->enable_bit);
+ __raw_writew(regval16, clk->enable_reg);
}
}
+static const struct clkops clkops_generic = {
+ .enable = &omap1_clk_enable_generic,
+ .disable = &omap1_clk_disable_generic,
+};
+
static long omap1_clk_round_rate(struct clk *clk, unsigned long rate)
{
- int dsor_exp;
-
if (clk->flags & RATE_FIXED)
return clk->rate;
- if (clk->flags & RATE_CKCTL) {
- dsor_exp = calc_dsor_exp(clk, rate);
- if (dsor_exp < 0)
- return dsor_exp;
- if (dsor_exp > 3)
- dsor_exp = 3;
- return clk->parent->rate / (1 << dsor_exp);
- }
-
if (clk->round_rate != NULL)
return clk->round_rate(clk, rate);
@@ -586,30 +688,9 @@ static long omap1_clk_round_rate(struct clk *clk, unsigned long rate)
static int omap1_clk_set_rate(struct clk *clk, unsigned long rate)
{
int ret = -EINVAL;
- int dsor_exp;
- __u16 regval;
if (clk->set_rate)
ret = clk->set_rate(clk, rate);
- else if (clk->flags & RATE_CKCTL) {
- dsor_exp = calc_dsor_exp(clk, rate);
- if (dsor_exp > 3)
- dsor_exp = -EINVAL;
- if (dsor_exp < 0)
- return dsor_exp;
-
- regval = omap_readw(ARM_CKCTL);
- regval &= ~(3 << clk->rate_offset);
- regval |= dsor_exp << clk->rate_offset;
- regval = verify_ckctl_value(regval);
- omap_writew(regval, ARM_CKCTL);
- clk->rate = clk->parent->rate / (1 << dsor_exp);
- ret = 0;
- }
-
- if (unlikely(ret == 0 && (clk->flags & RATE_PROPAGATES)))
- propagate_rate(clk);
-
return ret;
}
@@ -632,17 +713,10 @@ static void __init omap1_clk_disable_unused(struct clk *clk)
}
/* Is the clock already disabled? */
- if (clk->flags & ENABLE_REG_32BIT) {
- if (clk->flags & VIRTUAL_IO_ADDRESS)
- regval32 = __raw_readl(clk->enable_reg);
- else
- regval32 = omap_readl(clk->enable_reg);
- } else {
- if (clk->flags & VIRTUAL_IO_ADDRESS)
- regval32 = __raw_readw(clk->enable_reg);
- else
- regval32 = omap_readw(clk->enable_reg);
- }
+ if (clk->flags & ENABLE_REG_32BIT)
+ regval32 = __raw_readl(clk->enable_reg);
+ else
+ regval32 = __raw_readw(clk->enable_reg);
if ((regval32 & (1 << clk->enable_bit)) == 0)
return;
@@ -659,7 +733,7 @@ static void __init omap1_clk_disable_unused(struct clk *clk)
}
printk(KERN_INFO "Disabling unused clock \"%s\"... ", clk->name);
- clk->disable(clk);
+ clk->ops->disable(clk);
printk(" done\n");
}
@@ -677,10 +751,10 @@ static struct clk_functions omap1_clk_functions = {
int __init omap1_clk_init(void)
{
- struct clk ** clkp;
+ struct omap_clk *c;
const struct omap_clock_config *info;
int crystal_type = 0; /* Default 12 MHz */
- u32 reg;
+ u32 reg, cpu_mask;
#ifdef CONFIG_DEBUG_LL
/* Resets some clocks that may be left on from bootloader,
@@ -700,27 +774,24 @@ int __init omap1_clk_init(void)
/* By default all idlect1 clocks are allowed to idle */
arm_idlect1_mask = ~0;
- for (clkp = onchip_clks; clkp < onchip_clks+ARRAY_SIZE(onchip_clks); clkp++) {
- if (((*clkp)->flags &CLOCK_IN_OMAP1510) && cpu_is_omap1510()) {
- clk_register(*clkp);
- continue;
- }
-
- if (((*clkp)->flags &CLOCK_IN_OMAP16XX) && cpu_is_omap16xx()) {
- clk_register(*clkp);
- continue;
- }
-
- if (((*clkp)->flags &CLOCK_IN_OMAP730) && cpu_is_omap730()) {
- clk_register(*clkp);
- continue;
- }
+ for (c = omap_clks; c < omap_clks + ARRAY_SIZE(omap_clks); c++)
+ clk_init_one(c->lk.clk);
- if (((*clkp)->flags &CLOCK_IN_OMAP310) && cpu_is_omap310()) {
- clk_register(*clkp);
- continue;
+ cpu_mask = 0;
+ if (cpu_is_omap16xx())
+ cpu_mask |= CK_16XX;
+ if (cpu_is_omap1510())
+ cpu_mask |= CK_1510;
+ if (cpu_is_omap730())
+ cpu_mask |= CK_730;
+ if (cpu_is_omap310())
+ cpu_mask |= CK_310;
+
+ for (c = omap_clks; c < omap_clks + ARRAY_SIZE(omap_clks); c++)
+ if (c->cpu & cpu_mask) {
+ clkdev_add(&c->lk);
+ clk_register(c->lk.clk);
}
- }
info = omap_get_config(OMAP_TAG_CLOCK, struct omap_clock_config);
if (info != NULL) {
@@ -769,7 +840,6 @@ int __init omap1_clk_init(void)
}
}
}
- propagate_rate(&ck_dpll1);
#else
/* Find the highest supported frequency and enable it */
if (omap1_select_table_rate(&virtual_ck_mpu, ~0)) {
@@ -778,9 +848,9 @@ int __init omap1_clk_init(void)
omap_writew(0x2290, DPLL_CTL);
omap_writew(cpu_is_omap730() ? 0x3005 : 0x1005, ARM_CKCTL);
ck_dpll1.rate = 60000000;
- propagate_rate(&ck_dpll1);
}
#endif
+ propagate_rate(&ck_dpll1);
/* Cache rates for clocks connected to ck_ref (not dpll1) */
propagate_rate(&ck_ref);
printk(KERN_INFO "Clocking rate (xtal/DPLL1/MPU): "
@@ -832,4 +902,3 @@ int __init omap1_clk_init(void)
return 0;
}
-
diff --git a/arch/arm/mach-omap1/clock.h b/arch/arm/mach-omap1/clock.h
index c1dcdf18d8dd..17f874271255 100644
--- a/arch/arm/mach-omap1/clock.h
+++ b/arch/arm/mach-omap1/clock.h
@@ -13,27 +13,22 @@
#ifndef __ARCH_ARM_MACH_OMAP1_CLOCK_H
#define __ARCH_ARM_MACH_OMAP1_CLOCK_H
-static int omap1_clk_enable_generic(struct clk * clk);
-static void omap1_clk_disable_generic(struct clk * clk);
-static void omap1_ckctl_recalc(struct clk * clk);
-static void omap1_watchdog_recalc(struct clk * clk);
+static unsigned long omap1_ckctl_recalc(struct clk *clk);
+static unsigned long omap1_watchdog_recalc(struct clk *clk);
static int omap1_set_sossi_rate(struct clk *clk, unsigned long rate);
-static void omap1_sossi_recalc(struct clk *clk);
-static void omap1_ckctl_recalc_dsp_domain(struct clk * clk);
-static int omap1_clk_enable_dsp_domain(struct clk * clk);
+static unsigned long omap1_sossi_recalc(struct clk *clk);
+static unsigned long omap1_ckctl_recalc_dsp_domain(struct clk *clk);
static int omap1_clk_set_rate_dsp_domain(struct clk * clk, unsigned long rate);
-static void omap1_clk_disable_dsp_domain(struct clk * clk);
static int omap1_set_uart_rate(struct clk * clk, unsigned long rate);
-static void omap1_uart_recalc(struct clk * clk);
-static int omap1_clk_enable_uart_functional(struct clk * clk);
-static void omap1_clk_disable_uart_functional(struct clk * clk);
+static unsigned long omap1_uart_recalc(struct clk *clk);
static int omap1_set_ext_clk_rate(struct clk * clk, unsigned long rate);
static long omap1_round_ext_clk_rate(struct clk * clk, unsigned long rate);
static void omap1_init_ext_clk(struct clk * clk);
static int omap1_select_table_rate(struct clk * clk, unsigned long rate);
static long omap1_round_to_table_rate(struct clk * clk, unsigned long rate);
-static int omap1_clk_enable(struct clk *clk);
-static void omap1_clk_disable(struct clk *clk);
+
+static int omap1_clk_set_rate_ckctl_arm(struct clk *clk, unsigned long rate);
+static long omap1_clk_round_rate_ckctl_arm(struct clk *clk, unsigned long rate);
struct mpu_rate {
unsigned long rate;
@@ -152,101 +147,84 @@ static struct mpu_rate rate_table[] = {
static struct clk ck_ref = {
.name = "ck_ref",
+ .ops = &clkops_null,
.rate = 12000000,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
- CLOCK_IN_OMAP310 | ALWAYS_ENABLED,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
};
static struct clk ck_dpll1 = {
.name = "ck_dpll1",
+ .ops = &clkops_null,
.parent = &ck_ref,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
- CLOCK_IN_OMAP310 | RATE_PROPAGATES | ALWAYS_ENABLED,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
};
static struct arm_idlect1_clk ck_dpll1out = {
.clk = {
.name = "ck_dpll1out",
+ .ops = &clkops_generic,
.parent = &ck_dpll1,
- .flags = CLOCK_IN_OMAP16XX | CLOCK_IDLE_CONTROL |
- ENABLE_REG_32BIT | RATE_PROPAGATES,
- .enable_reg = (void __iomem *)ARM_IDLECT2,
+ .flags = CLOCK_IDLE_CONTROL | ENABLE_REG_32BIT,
+ .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT2),
.enable_bit = EN_CKOUT_ARM,
.recalc = &followparent_recalc,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
},
.idlect_shift = 12,
};
static struct clk sossi_ck = {
.name = "ck_sossi",
+ .ops = &clkops_generic,
.parent = &ck_dpll1out.clk,
- .flags = CLOCK_IN_OMAP16XX | CLOCK_NO_IDLE_PARENT |
- ENABLE_REG_32BIT,
- .enable_reg = (void __iomem *)MOD_CONF_CTRL_1,
+ .flags = CLOCK_NO_IDLE_PARENT | ENABLE_REG_32BIT,
+ .enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_1),
.enable_bit = 16,
.recalc = &omap1_sossi_recalc,
.set_rate = &omap1_set_sossi_rate,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
};
static struct clk arm_ck = {
.name = "arm_ck",
+ .ops = &clkops_null,
.parent = &ck_dpll1,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
- CLOCK_IN_OMAP310 | RATE_CKCTL | RATE_PROPAGATES |
- ALWAYS_ENABLED,
.rate_offset = CKCTL_ARMDIV_OFFSET,
.recalc = &omap1_ckctl_recalc,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
+ .round_rate = omap1_clk_round_rate_ckctl_arm,
+ .set_rate = omap1_clk_set_rate_ckctl_arm,
};
static struct arm_idlect1_clk armper_ck = {
.clk = {
.name = "armper_ck",
+ .ops = &clkops_generic,
.parent = &ck_dpll1,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
- CLOCK_IN_OMAP310 | RATE_CKCTL |
- CLOCK_IDLE_CONTROL,
- .enable_reg = (void __iomem *)ARM_IDLECT2,
+ .flags = CLOCK_IDLE_CONTROL,
+ .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT2),
.enable_bit = EN_PERCK,
.rate_offset = CKCTL_PERDIV_OFFSET,
.recalc = &omap1_ckctl_recalc,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
+ .round_rate = omap1_clk_round_rate_ckctl_arm,
+ .set_rate = omap1_clk_set_rate_ckctl_arm,
},
.idlect_shift = 2,
};
static struct clk arm_gpio_ck = {
.name = "arm_gpio_ck",
+ .ops = &clkops_generic,
.parent = &ck_dpll1,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310,
- .enable_reg = (void __iomem *)ARM_IDLECT2,
+ .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT2),
.enable_bit = EN_GPIOCK,
.recalc = &followparent_recalc,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
};
static struct arm_idlect1_clk armxor_ck = {
.clk = {
.name = "armxor_ck",
+ .ops = &clkops_generic,
.parent = &ck_ref,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
- CLOCK_IN_OMAP310 | CLOCK_IDLE_CONTROL,
- .enable_reg = (void __iomem *)ARM_IDLECT2,
+ .flags = CLOCK_IDLE_CONTROL,
+ .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT2),
.enable_bit = EN_XORPCK,
.recalc = &followparent_recalc,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
},
.idlect_shift = 1,
};
@@ -254,14 +232,12 @@ static struct arm_idlect1_clk armxor_ck = {
static struct arm_idlect1_clk armtim_ck = {
.clk = {
.name = "armtim_ck",
+ .ops = &clkops_generic,
.parent = &ck_ref,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
- CLOCK_IN_OMAP310 | CLOCK_IDLE_CONTROL,
- .enable_reg = (void __iomem *)ARM_IDLECT2,
+ .flags = CLOCK_IDLE_CONTROL,
+ .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT2),
.enable_bit = EN_TIMCK,
.recalc = &followparent_recalc,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
},
.idlect_shift = 9,
};
@@ -269,201 +245,166 @@ static struct arm_idlect1_clk armtim_ck = {
static struct arm_idlect1_clk armwdt_ck = {
.clk = {
.name = "armwdt_ck",
+ .ops = &clkops_generic,
.parent = &ck_ref,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
- CLOCK_IN_OMAP310 | CLOCK_IDLE_CONTROL,
- .enable_reg = (void __iomem *)ARM_IDLECT2,
+ .flags = CLOCK_IDLE_CONTROL,
+ .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT2),
.enable_bit = EN_WDTCK,
.recalc = &omap1_watchdog_recalc,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
},
.idlect_shift = 0,
};
static struct clk arminth_ck16xx = {
.name = "arminth_ck",
+ .ops = &clkops_null,
.parent = &arm_ck,
- .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
.recalc = &followparent_recalc,
/* Note: On 16xx the frequency can be divided by 2 by programming
* ARM_CKCTL:ARM_INTHCK_SEL(14) to 1
*
* 1510 version is in TC clocks.
*/
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
};
static struct clk dsp_ck = {
.name = "dsp_ck",
+ .ops = &clkops_generic,
.parent = &ck_dpll1,
- .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
- RATE_CKCTL,
- .enable_reg = (void __iomem *)ARM_CKCTL,
+ .enable_reg = OMAP1_IO_ADDRESS(ARM_CKCTL),
.enable_bit = EN_DSPCK,
.rate_offset = CKCTL_DSPDIV_OFFSET,
.recalc = &omap1_ckctl_recalc,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
+ .round_rate = omap1_clk_round_rate_ckctl_arm,
+ .set_rate = omap1_clk_set_rate_ckctl_arm,
};
static struct clk dspmmu_ck = {
.name = "dspmmu_ck",
+ .ops = &clkops_null,
.parent = &ck_dpll1,
- .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
- RATE_CKCTL | ALWAYS_ENABLED,
.rate_offset = CKCTL_DSPMMUDIV_OFFSET,
.recalc = &omap1_ckctl_recalc,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
+ .round_rate = omap1_clk_round_rate_ckctl_arm,
+ .set_rate = omap1_clk_set_rate_ckctl_arm,
};
static struct clk dspper_ck = {
.name = "dspper_ck",
+ .ops = &clkops_dspck,
.parent = &ck_dpll1,
- .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
- RATE_CKCTL | VIRTUAL_IO_ADDRESS,
.enable_reg = DSP_IDLECT2,
.enable_bit = EN_PERCK,
.rate_offset = CKCTL_PERDIV_OFFSET,
.recalc = &omap1_ckctl_recalc_dsp_domain,
+ .round_rate = omap1_clk_round_rate_ckctl_arm,
.set_rate = &omap1_clk_set_rate_dsp_domain,
- .enable = &omap1_clk_enable_dsp_domain,
- .disable = &omap1_clk_disable_dsp_domain,
};
static struct clk dspxor_ck = {
.name = "dspxor_ck",
+ .ops = &clkops_dspck,
.parent = &ck_ref,
- .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
- VIRTUAL_IO_ADDRESS,
.enable_reg = DSP_IDLECT2,
.enable_bit = EN_XORPCK,
.recalc = &followparent_recalc,
- .enable = &omap1_clk_enable_dsp_domain,
- .disable = &omap1_clk_disable_dsp_domain,
};
static struct clk dsptim_ck = {
.name = "dsptim_ck",
+ .ops = &clkops_dspck,
.parent = &ck_ref,
- .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
- VIRTUAL_IO_ADDRESS,
.enable_reg = DSP_IDLECT2,
.enable_bit = EN_DSPTIMCK,
.recalc = &followparent_recalc,
- .enable = &omap1_clk_enable_dsp_domain,
- .disable = &omap1_clk_disable_dsp_domain,
};
/* Tie ARM_IDLECT1:IDLIF_ARM to this logical clock structure */
static struct arm_idlect1_clk tc_ck = {
.clk = {
.name = "tc_ck",
+ .ops = &clkops_null,
.parent = &ck_dpll1,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
- CLOCK_IN_OMAP730 | CLOCK_IN_OMAP310 |
- RATE_CKCTL | RATE_PROPAGATES |
- ALWAYS_ENABLED | CLOCK_IDLE_CONTROL,
+ .flags = CLOCK_IDLE_CONTROL,
.rate_offset = CKCTL_TCDIV_OFFSET,
.recalc = &omap1_ckctl_recalc,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
+ .round_rate = omap1_clk_round_rate_ckctl_arm,
+ .set_rate = omap1_clk_set_rate_ckctl_arm,
},
.idlect_shift = 6,
};
static struct clk arminth_ck1510 = {
.name = "arminth_ck",
+ .ops = &clkops_null,
.parent = &tc_ck.clk,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 |
- ALWAYS_ENABLED,
.recalc = &followparent_recalc,
/* Note: On 1510 the frequency follows TC_CK
*
* 16xx version is in MPU clocks.
*/
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
};
static struct clk tipb_ck = {
/* No-idle controlled by "tc_ck" */
.name = "tipb_ck",
+ .ops = &clkops_null,
.parent = &tc_ck.clk,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 |
- ALWAYS_ENABLED,
.recalc = &followparent_recalc,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
};
static struct clk l3_ocpi_ck = {
/* No-idle controlled by "tc_ck" */
.name = "l3_ocpi_ck",
+ .ops = &clkops_generic,
.parent = &tc_ck.clk,
- .flags = CLOCK_IN_OMAP16XX,
- .enable_reg = (void __iomem *)ARM_IDLECT3,
+ .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT3),
.enable_bit = EN_OCPI_CK,
.recalc = &followparent_recalc,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
};
static struct clk tc1_ck = {
.name = "tc1_ck",
+ .ops = &clkops_generic,
.parent = &tc_ck.clk,
- .flags = CLOCK_IN_OMAP16XX,
- .enable_reg = (void __iomem *)ARM_IDLECT3,
+ .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT3),
.enable_bit = EN_TC1_CK,
.recalc = &followparent_recalc,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
};
static struct clk tc2_ck = {
.name = "tc2_ck",
+ .ops = &clkops_generic,
.parent = &tc_ck.clk,
- .flags = CLOCK_IN_OMAP16XX,
- .enable_reg = (void __iomem *)ARM_IDLECT3,
+ .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT3),
.enable_bit = EN_TC2_CK,
.recalc = &followparent_recalc,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
};
static struct clk dma_ck = {
/* No-idle controlled by "tc_ck" */
.name = "dma_ck",
+ .ops = &clkops_null,
.parent = &tc_ck.clk,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
- CLOCK_IN_OMAP310 | ALWAYS_ENABLED,
.recalc = &followparent_recalc,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
};
static struct clk dma_lcdfree_ck = {
.name = "dma_lcdfree_ck",
+ .ops = &clkops_null,
.parent = &tc_ck.clk,
- .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
.recalc = &followparent_recalc,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
};
static struct arm_idlect1_clk api_ck = {
.clk = {
.name = "api_ck",
+ .ops = &clkops_generic,
.parent = &tc_ck.clk,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
- CLOCK_IN_OMAP310 | CLOCK_IDLE_CONTROL,
- .enable_reg = (void __iomem *)ARM_IDLECT2,
+ .flags = CLOCK_IDLE_CONTROL,
+ .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT2),
.enable_bit = EN_APICK,
.recalc = &followparent_recalc,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
},
.idlect_shift = 8,
};
@@ -471,276 +412,238 @@ static struct arm_idlect1_clk api_ck = {
static struct arm_idlect1_clk lb_ck = {
.clk = {
.name = "lb_ck",
+ .ops = &clkops_generic,
.parent = &tc_ck.clk,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 |
- CLOCK_IDLE_CONTROL,
- .enable_reg = (void __iomem *)ARM_IDLECT2,
+ .flags = CLOCK_IDLE_CONTROL,
+ .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT2),
.enable_bit = EN_LBCK,
.recalc = &followparent_recalc,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
},
.idlect_shift = 4,
};
static struct clk rhea1_ck = {
.name = "rhea1_ck",
+ .ops = &clkops_null,
.parent = &tc_ck.clk,
- .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
.recalc = &followparent_recalc,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
};
static struct clk rhea2_ck = {
.name = "rhea2_ck",
+ .ops = &clkops_null,
.parent = &tc_ck.clk,
- .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
.recalc = &followparent_recalc,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
};
static struct clk lcd_ck_16xx = {
.name = "lcd_ck",
+ .ops = &clkops_generic,
.parent = &ck_dpll1,
- .flags = CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP730 | RATE_CKCTL,
- .enable_reg = (void __iomem *)ARM_IDLECT2,
+ .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT2),
.enable_bit = EN_LCDCK,
.rate_offset = CKCTL_LCDDIV_OFFSET,
.recalc = &omap1_ckctl_recalc,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
+ .round_rate = omap1_clk_round_rate_ckctl_arm,
+ .set_rate = omap1_clk_set_rate_ckctl_arm,
};
static struct arm_idlect1_clk lcd_ck_1510 = {
.clk = {
.name = "lcd_ck",
+ .ops = &clkops_generic,
.parent = &ck_dpll1,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 |
- RATE_CKCTL | CLOCK_IDLE_CONTROL,
- .enable_reg = (void __iomem *)ARM_IDLECT2,
+ .flags = CLOCK_IDLE_CONTROL,
+ .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT2),
.enable_bit = EN_LCDCK,
.rate_offset = CKCTL_LCDDIV_OFFSET,
.recalc = &omap1_ckctl_recalc,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
+ .round_rate = omap1_clk_round_rate_ckctl_arm,
+ .set_rate = omap1_clk_set_rate_ckctl_arm,
},
.idlect_shift = 3,
};
static struct clk uart1_1510 = {
.name = "uart1_ck",
+ .ops = &clkops_null,
/* Direct from ULPD, no real parent */
.parent = &armper_ck.clk,
.rate = 12000000,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 |
- ENABLE_REG_32BIT | ALWAYS_ENABLED |
- CLOCK_NO_IDLE_PARENT,
- .enable_reg = (void __iomem *)MOD_CONF_CTRL_0,
+ .flags = ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
+ .enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0),
.enable_bit = 29, /* Chooses between 12MHz and 48MHz */
.set_rate = &omap1_set_uart_rate,
.recalc = &omap1_uart_recalc,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
};
static struct uart_clk uart1_16xx = {
.clk = {
.name = "uart1_ck",
+ .ops = &clkops_uart,
/* Direct from ULPD, no real parent */
.parent = &armper_ck.clk,
.rate = 48000000,
- .flags = CLOCK_IN_OMAP16XX | RATE_FIXED |
- ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
- .enable_reg = (void __iomem *)MOD_CONF_CTRL_0,
+ .flags = RATE_FIXED | ENABLE_REG_32BIT |
+ CLOCK_NO_IDLE_PARENT,
+ .enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0),
.enable_bit = 29,
- .enable = &omap1_clk_enable_uart_functional,
- .disable = &omap1_clk_disable_uart_functional,
},
.sysc_addr = 0xfffb0054,
};
static struct clk uart2_ck = {
.name = "uart2_ck",
+ .ops = &clkops_null,
/* Direct from ULPD, no real parent */
.parent = &armper_ck.clk,
.rate = 12000000,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
- CLOCK_IN_OMAP310 | ENABLE_REG_32BIT |
- ALWAYS_ENABLED | CLOCK_NO_IDLE_PARENT,
- .enable_reg = (void __iomem *)MOD_CONF_CTRL_0,
+ .flags = ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
+ .enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0),
.enable_bit = 30, /* Chooses between 12MHz and 48MHz */
.set_rate = &omap1_set_uart_rate,
.recalc = &omap1_uart_recalc,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
};
static struct clk uart3_1510 = {
.name = "uart3_ck",
+ .ops = &clkops_null,
/* Direct from ULPD, no real parent */
.parent = &armper_ck.clk,
.rate = 12000000,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 |
- ENABLE_REG_32BIT | ALWAYS_ENABLED |
- CLOCK_NO_IDLE_PARENT,
- .enable_reg = (void __iomem *)MOD_CONF_CTRL_0,
+ .flags = ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
+ .enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0),
.enable_bit = 31, /* Chooses between 12MHz and 48MHz */
.set_rate = &omap1_set_uart_rate,
.recalc = &omap1_uart_recalc,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
};
static struct uart_clk uart3_16xx = {
.clk = {
.name = "uart3_ck",
+ .ops = &clkops_uart,
/* Direct from ULPD, no real parent */
.parent = &armper_ck.clk,
.rate = 48000000,
- .flags = CLOCK_IN_OMAP16XX | RATE_FIXED |
- ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
- .enable_reg = (void __iomem *)MOD_CONF_CTRL_0,
+ .flags = RATE_FIXED | ENABLE_REG_32BIT |
+ CLOCK_NO_IDLE_PARENT,
+ .enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0),
.enable_bit = 31,
- .enable = &omap1_clk_enable_uart_functional,
- .disable = &omap1_clk_disable_uart_functional,
},
.sysc_addr = 0xfffb9854,
};
static struct clk usb_clko = { /* 6 MHz output on W4_USB_CLKO */
.name = "usb_clko",
+ .ops = &clkops_generic,
/* Direct from ULPD, no parent */
.rate = 6000000,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
- CLOCK_IN_OMAP310 | RATE_FIXED | ENABLE_REG_32BIT,
- .enable_reg = (void __iomem *)ULPD_CLOCK_CTRL,
+ .flags = RATE_FIXED | ENABLE_REG_32BIT,
+ .enable_reg = OMAP1_IO_ADDRESS(ULPD_CLOCK_CTRL),
.enable_bit = USB_MCLK_EN_BIT,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
};
static struct clk usb_hhc_ck1510 = {
.name = "usb_hhc_ck",
+ .ops = &clkops_generic,
/* Direct from ULPD, no parent */
.rate = 48000000, /* Actually 2 clocks, 12MHz and 48MHz */
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 |
- RATE_FIXED | ENABLE_REG_32BIT,
- .enable_reg = (void __iomem *)MOD_CONF_CTRL_0,
+ .flags = RATE_FIXED | ENABLE_REG_32BIT,
+ .enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0),
.enable_bit = USB_HOST_HHC_UHOST_EN,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
};
static struct clk usb_hhc_ck16xx = {
.name = "usb_hhc_ck",
+ .ops = &clkops_generic,
/* Direct from ULPD, no parent */
.rate = 48000000,
/* OTG_SYSCON_2.OTG_PADEN == 0 (not 1510-compatible) */
- .flags = CLOCK_IN_OMAP16XX |
- RATE_FIXED | ENABLE_REG_32BIT,
- .enable_reg = (void __iomem *)OTG_BASE + 0x08 /* OTG_SYSCON_2 */,
+ .flags = RATE_FIXED | ENABLE_REG_32BIT,
+ .enable_reg = OMAP1_IO_ADDRESS(OTG_BASE + 0x08), /* OTG_SYSCON_2 */
.enable_bit = 8 /* UHOST_EN */,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
};
static struct clk usb_dc_ck = {
.name = "usb_dc_ck",
+ .ops = &clkops_generic,
/* Direct from ULPD, no parent */
.rate = 48000000,
- .flags = CLOCK_IN_OMAP16XX | RATE_FIXED,
- .enable_reg = (void __iomem *)SOFT_REQ_REG,
+ .flags = RATE_FIXED,
+ .enable_reg = OMAP1_IO_ADDRESS(SOFT_REQ_REG),
.enable_bit = 4,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
};
static struct clk mclk_1510 = {
.name = "mclk",
+ .ops = &clkops_generic,
/* Direct from ULPD, no parent. May be enabled by ext hardware. */
.rate = 12000000,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | RATE_FIXED,
- .enable_reg = (void __iomem *)SOFT_REQ_REG,
- .enable_bit = 6,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
+ .flags = RATE_FIXED,
+ .enable_reg = OMAP1_IO_ADDRESS(SOFT_REQ_REG),
+ .enable_bit = 6,
};
static struct clk mclk_16xx = {
.name = "mclk",
+ .ops = &clkops_generic,
/* Direct from ULPD, no parent. May be enabled by ext hardware. */
- .flags = CLOCK_IN_OMAP16XX,
- .enable_reg = (void __iomem *)COM_CLK_DIV_CTRL_SEL,
+ .enable_reg = OMAP1_IO_ADDRESS(COM_CLK_DIV_CTRL_SEL),
.enable_bit = COM_ULPD_PLL_CLK_REQ,
.set_rate = &omap1_set_ext_clk_rate,
.round_rate = &omap1_round_ext_clk_rate,
.init = &omap1_init_ext_clk,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
};
static struct clk bclk_1510 = {
.name = "bclk",
+ .ops = &clkops_generic,
/* Direct from ULPD, no parent. May be enabled by ext hardware. */
.rate = 12000000,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | RATE_FIXED,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
+ .flags = RATE_FIXED,
};
static struct clk bclk_16xx = {
.name = "bclk",
+ .ops = &clkops_generic,
/* Direct from ULPD, no parent. May be enabled by ext hardware. */
- .flags = CLOCK_IN_OMAP16XX,
- .enable_reg = (void __iomem *)SWD_CLK_DIV_CTRL_SEL,
+ .enable_reg = OMAP1_IO_ADDRESS(SWD_CLK_DIV_CTRL_SEL),
.enable_bit = SWD_ULPD_PLL_CLK_REQ,
.set_rate = &omap1_set_ext_clk_rate,
.round_rate = &omap1_round_ext_clk_rate,
.init = &omap1_init_ext_clk,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
};
static struct clk mmc1_ck = {
.name = "mmc_ck",
+ .ops = &clkops_generic,
/* Functional clock is direct from ULPD, interface clock is ARMPER */
.parent = &armper_ck.clk,
.rate = 48000000,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
- CLOCK_IN_OMAP310 | RATE_FIXED | ENABLE_REG_32BIT |
- CLOCK_NO_IDLE_PARENT,
- .enable_reg = (void __iomem *)MOD_CONF_CTRL_0,
+ .flags = RATE_FIXED | ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
+ .enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0),
.enable_bit = 23,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
};
static struct clk mmc2_ck = {
.name = "mmc_ck",
.id = 1,
+ .ops = &clkops_generic,
/* Functional clock is direct from ULPD, interface clock is ARMPER */
.parent = &armper_ck.clk,
.rate = 48000000,
- .flags = CLOCK_IN_OMAP16XX |
- RATE_FIXED | ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
- .enable_reg = (void __iomem *)MOD_CONF_CTRL_0,
+ .flags = RATE_FIXED | ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
+ .enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0),
.enable_bit = 20,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
};
static struct clk virtual_ck_mpu = {
.name = "mpu",
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
- CLOCK_IN_OMAP310 | VIRTUAL_CLOCK | ALWAYS_ENABLED,
+ .ops = &clkops_null,
.parent = &arm_ck, /* Is smarter alias for */
.recalc = &followparent_recalc,
.set_rate = &omap1_select_table_rate,
.round_rate = &omap1_round_to_table_rate,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
};
/* virtual functional clock domain for I2C. Just for making sure that ARMXOR_CK
@@ -748,78 +651,19 @@ remains active during MPU idle whenever this is enabled */
static struct clk i2c_fck = {
.name = "i2c_fck",
.id = 1,
- .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
- VIRTUAL_CLOCK | CLOCK_NO_IDLE_PARENT |
- ALWAYS_ENABLED,
+ .ops = &clkops_null,
+ .flags = CLOCK_NO_IDLE_PARENT,
.parent = &armxor_ck.clk,
.recalc = &followparent_recalc,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
};
static struct clk i2c_ick = {
.name = "i2c_ick",
.id = 1,
- .flags = CLOCK_IN_OMAP16XX |
- VIRTUAL_CLOCK | CLOCK_NO_IDLE_PARENT |
- ALWAYS_ENABLED,
+ .ops = &clkops_null,
+ .flags = CLOCK_NO_IDLE_PARENT,
.parent = &armper_ck.clk,
.recalc = &followparent_recalc,
- .enable = &omap1_clk_enable_generic,
- .disable = &omap1_clk_disable_generic,
-};
-
-static struct clk * onchip_clks[] = {
- /* non-ULPD clocks */
- &ck_ref,
- &ck_dpll1,
- /* CK_GEN1 clocks */
- &ck_dpll1out.clk,
- &sossi_ck,
- &arm_ck,
- &armper_ck.clk,
- &arm_gpio_ck,
- &armxor_ck.clk,
- &armtim_ck.clk,
- &armwdt_ck.clk,
- &arminth_ck1510, &arminth_ck16xx,
- /* CK_GEN2 clocks */
- &dsp_ck,
- &dspmmu_ck,
- &dspper_ck,
- &dspxor_ck,
- &dsptim_ck,
- /* CK_GEN3 clocks */
- &tc_ck.clk,
- &tipb_ck,
- &l3_ocpi_ck,
- &tc1_ck,
- &tc2_ck,
- &dma_ck,
- &dma_lcdfree_ck,
- &api_ck.clk,
- &lb_ck.clk,
- &rhea1_ck,
- &rhea2_ck,
- &lcd_ck_16xx,
- &lcd_ck_1510.clk,
- /* ULPD clocks */
- &uart1_1510,
- &uart1_16xx.clk,
- &uart2_ck,
- &uart3_1510,
- &uart3_16xx.clk,
- &usb_clko,
- &usb_hhc_ck1510, &usb_hhc_ck16xx,
- &usb_dc_ck,
- &mclk_1510, &mclk_16xx,
- &bclk_1510, &bclk_16xx,
- &mmc1_ck,
- &mmc2_ck,
- /* Virtual clocks */
- &virtual_ck_mpu,
- &i2c_fck,
- &i2c_ick,
};
#endif
diff --git a/arch/arm/mach-omap1/mcbsp.c b/arch/arm/mach-omap1/mcbsp.c
index 575ba31295cf..d040c3f1027f 100644
--- a/arch/arm/mach-omap1/mcbsp.c
+++ b/arch/arm/mach-omap1/mcbsp.c
@@ -28,9 +28,9 @@
#define DPS_RSTCT2_PER_EN (1 << 0)
#define DSP_RSTCT2_WD_PER_EN (1 << 1)
-#if defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX)
-const char *clk_names[] = { "dsp_ck", "api_ck", "dspxor_ck" };
-#endif
+static int dsp_use;
+static struct clk *api_clk;
+static struct clk *dsp_clk;
static void omap1_mcbsp_request(unsigned int id)
{
@@ -39,20 +39,40 @@ static void omap1_mcbsp_request(unsigned int id)
* are DSP public peripherals.
*/
if (id == OMAP_MCBSP1 || id == OMAP_MCBSP3) {
- omap_dsp_request_mem();
- /*
- * DSP external peripheral reset
- * FIXME: This should be moved to dsp code
- */
- __raw_writew(__raw_readw(DSP_RSTCT2) | DPS_RSTCT2_PER_EN |
- DSP_RSTCT2_WD_PER_EN, DSP_RSTCT2);
+ if (dsp_use++ == 0) {
+ api_clk = clk_get(NULL, "api_clk");
+ dsp_clk = clk_get(NULL, "dsp_clk");
+ if (!IS_ERR(api_clk) && !IS_ERR(dsp_clk)) {
+ clk_enable(api_clk);
+ clk_enable(dsp_clk);
+
+ omap_dsp_request_mem();
+ /*
+ * DSP external peripheral reset
+ * FIXME: This should be moved to dsp code
+ */
+ __raw_writew(__raw_readw(DSP_RSTCT2) | DPS_RSTCT2_PER_EN |
+ DSP_RSTCT2_WD_PER_EN, DSP_RSTCT2);
+ }
+ }
}
}
static void omap1_mcbsp_free(unsigned int id)
{
- if (id == OMAP_MCBSP1 || id == OMAP_MCBSP3)
- omap_dsp_release_mem();
+ if (id == OMAP_MCBSP1 || id == OMAP_MCBSP3) {
+ if (--dsp_use == 0) {
+ omap_dsp_release_mem();
+ if (!IS_ERR(api_clk)) {
+ clk_disable(api_clk);
+ clk_put(api_clk);
+ }
+ if (!IS_ERR(dsp_clk)) {
+ clk_disable(dsp_clk);
+ clk_put(dsp_clk);
+ }
+ }
+ }
}
static struct omap_mcbsp_ops omap1_mcbsp_ops = {
@@ -94,8 +114,6 @@ static struct omap_mcbsp_platform_data omap15xx_mcbsp_pdata[] = {
.rx_irq = INT_McBSP1RX,
.tx_irq = INT_McBSP1TX,
.ops = &omap1_mcbsp_ops,
- .clk_names = clk_names,
- .num_clks = 3,
},
{
.phys_base = OMAP1510_MCBSP2_BASE,
@@ -112,8 +130,6 @@ static struct omap_mcbsp_platform_data omap15xx_mcbsp_pdata[] = {
.rx_irq = INT_McBSP3RX,
.tx_irq = INT_McBSP3TX,
.ops = &omap1_mcbsp_ops,
- .clk_names = clk_names,
- .num_clks = 3,
},
};
#define OMAP15XX_MCBSP_PDATA_SZ ARRAY_SIZE(omap15xx_mcbsp_pdata)
@@ -131,8 +147,6 @@ static struct omap_mcbsp_platform_data omap16xx_mcbsp_pdata[] = {
.rx_irq = INT_McBSP1RX,
.tx_irq = INT_McBSP1TX,
.ops = &omap1_mcbsp_ops,
- .clk_names = clk_names,
- .num_clks = 3,
},
{
.phys_base = OMAP1610_MCBSP2_BASE,
@@ -149,8 +163,6 @@ static struct omap_mcbsp_platform_data omap16xx_mcbsp_pdata[] = {
.rx_irq = INT_McBSP3RX,
.tx_irq = INT_McBSP3TX,
.ops = &omap1_mcbsp_ops,
- .clk_names = clk_names,
- .num_clks = 3,
},
};
#define OMAP16XX_MCBSP_PDATA_SZ ARRAY_SIZE(omap16xx_mcbsp_pdata)
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-10 06:23:53 +0000