summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-omap2
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-omap2')
-rw-r--r--arch/arm/mach-omap2/Kconfig2
-rw-r--r--arch/arm/mach-omap2/board-cm-t35.c2
-rw-r--r--arch/arm/mach-omap2/board-igep0020.c2
-rw-r--r--arch/arm/mach-omap2/board-omap3evm.c2
-rw-r--r--arch/arm/mach-omap2/board-omap3touchbook.c2
-rw-r--r--arch/arm/mach-omap2/board-rx51-peripherals.c2
-rwxr-xr-xarch/arm/mach-omap2/board-zoom-peripherals.c10
-rw-r--r--arch/arm/mach-omap2/clock2xxx.c57
-rw-r--r--arch/arm/mach-omap2/clock34xx.c1
-rw-r--r--arch/arm/mach-omap2/clock34xx_data.c6
-rw-r--r--arch/arm/mach-omap2/clockdomain.c4
-rw-r--r--arch/arm/mach-omap2/io.c19
-rw-r--r--arch/arm/mach-omap2/mux.c6
-rw-r--r--arch/arm/mach-omap2/opp2420_data.c38
-rw-r--r--arch/arm/mach-omap2/opp2430_data.c30
-rw-r--r--arch/arm/mach-omap2/pm34xx.c4
-rw-r--r--arch/arm/mach-omap2/serial.c19
17 files changed, 131 insertions, 75 deletions
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 76c11ee113e..606bf04f51b 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -18,6 +18,7 @@ config ARCH_OMAP2430
config ARCH_OMAP34XX
bool "OMAP34xx Based System"
depends on ARCH_OMAP3
+ select USB_ARCH_HAS_EHCI
config ARCH_OMAP3430
bool "OMAP3430 support"
@@ -79,6 +80,7 @@ config MACH_OVERO
config MACH_OMAP3EVM
bool "OMAP 3530 EVM board"
depends on ARCH_OMAP3 && ARCH_OMAP34XX
+ select OMAP_PACKAGE_CBB
config MACH_OMAP3517EVM
bool "OMAP3517/ AM3517 EVM board"
diff --git a/arch/arm/mach-omap2/board-cm-t35.c b/arch/arm/mach-omap2/board-cm-t35.c
index 1591aae6450..2626a9f8a73 100644
--- a/arch/arm/mach-omap2/board-cm-t35.c
+++ b/arch/arm/mach-omap2/board-cm-t35.c
@@ -29,7 +29,7 @@
#include <linux/gpio.h>
#include <linux/i2c/at24.h>
-#include <linux/i2c/twl4030.h>
+#include <linux/i2c/twl.h>
#include <linux/regulator/machine.h>
#include <asm/mach-types.h>
diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c
index 44239e3ec02..117b8fd7e3a 100644
--- a/arch/arm/mach-omap2/board-igep0020.c
+++ b/arch/arm/mach-omap2/board-igep0020.c
@@ -19,7 +19,7 @@
#include <linux/interrupt.h>
#include <linux/regulator/machine.h>
-#include <linux/i2c/twl4030.h>
+#include <linux/i2c/twl.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index 18913e96e34..34de1785157 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -26,7 +26,7 @@
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
-#include <linux/i2c/twl4030.h>
+#include <linux/i2c/twl.h>
#include <linux/usb/otg.h>
#include <linux/smsc911x.h>
diff --git a/arch/arm/mach-omap2/board-omap3touchbook.c b/arch/arm/mach-omap2/board-omap3touchbook.c
index c9e5ebb4d91..fe3d22cb245 100644
--- a/arch/arm/mach-omap2/board-omap3touchbook.c
+++ b/arch/arm/mach-omap2/board-omap3touchbook.c
@@ -34,7 +34,7 @@
#include <linux/spi/ads7846.h>
#include <linux/regulator/machine.h>
-#include <linux/i2c/twl4030.h>
+#include <linux/i2c/twl.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index 17f3c91231d..acafdbc8aa1 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -16,7 +16,7 @@
#include <linux/spi/spi.h>
#include <linux/spi/wl12xx.h>
#include <linux/i2c.h>
-#include <linux/i2c/twl4030.h>
+#include <linux/i2c/twl.h>
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/regulator/machine.h>
diff --git a/arch/arm/mach-omap2/board-zoom-peripherals.c b/arch/arm/mach-omap2/board-zoom-peripherals.c
index 258794db488..1e3dfb652ac 100755
--- a/arch/arm/mach-omap2/board-zoom-peripherals.c
+++ b/arch/arm/mach-omap2/board-zoom-peripherals.c
@@ -14,7 +14,7 @@
#include <linux/input.h>
#include <linux/input/matrix_keypad.h>
#include <linux/gpio.h>
-#include <linux/i2c/twl4030.h>
+#include <linux/i2c/twl.h>
#include <linux/regulator/machine.h>
#include <asm/mach-types.h>
@@ -63,21 +63,21 @@ static int board_keymap[] = {
KEY(5, 1, KEY_H),
KEY(5, 2, KEY_J),
KEY(5, 3, KEY_F3),
+ KEY(5, 4, KEY_UNKNOWN),
KEY(5, 5, KEY_VOLUMEDOWN),
KEY(5, 6, KEY_M),
- KEY(5, 7, KEY_ENTER),
+ KEY(5, 7, KEY_RIGHT),
KEY(6, 0, KEY_Q),
KEY(6, 1, KEY_A),
KEY(6, 2, KEY_N),
KEY(6, 3, KEY_BACKSPACE),
KEY(6, 6, KEY_P),
- KEY(6, 7, KEY_SELECT),
+ KEY(6, 7, KEY_UP),
KEY(7, 0, KEY_PROG1), /*MACRO 1 <User defined> */
KEY(7, 1, KEY_PROG2), /*MACRO 2 <User defined> */
KEY(7, 2, KEY_PROG3), /*MACRO 3 <User defined> */
KEY(7, 3, KEY_PROG4), /*MACRO 4 <User defined> */
- KEY(7, 5, KEY_RIGHT),
- KEY(7, 6, KEY_UP),
+ KEY(7, 6, KEY_SELECT),
KEY(7, 7, KEY_DOWN)
};
diff --git a/arch/arm/mach-omap2/clock2xxx.c b/arch/arm/mach-omap2/clock2xxx.c
index d0e3fb7f929..5420356eb40 100644
--- a/arch/arm/mach-omap2/clock2xxx.c
+++ b/arch/arm/mach-omap2/clock2xxx.c
@@ -449,40 +449,78 @@ int omap2_select_table_rate(struct clk *clk, unsigned long rate)
#ifdef CONFIG_CPU_FREQ
/*
* Walk PRCM rate table and fillout cpufreq freq_table
+ * XXX This should be replaced by an OPP layer in the near future
*/
-static struct cpufreq_frequency_table freq_table[ARRAY_SIZE(rate_table)];
+static struct cpufreq_frequency_table *freq_table;
void omap2_clk_init_cpufreq_table(struct cpufreq_frequency_table **table)
{
- struct prcm_config *prcm;
+ const struct prcm_config *prcm;
+ long sys_ck_rate;
int i = 0;
+ int tbl_sz = 0;
+
+ sys_ck_rate = clk_get_rate(sclk);
for (prcm = rate_table; prcm->mpu_speed; prcm++) {
if (!(prcm->flags & cpu_mask))
continue;
- if (prcm->xtal_speed != sys_ck.rate)
+ if (prcm->xtal_speed != sys_ck_rate)
continue;
/* don't put bypass rates in table */
if (prcm->dpll_speed == prcm->xtal_speed)
continue;
- freq_table[i].index = i;
- freq_table[i].frequency = prcm->mpu_speed / 1000;
- i++;
+ tbl_sz++;
}
- if (i == 0) {
- printk(KERN_WARNING "%s: failed to initialize frequency "
- "table\n", __func__);
+ /*
+ * XXX Ensure that we're doing what CPUFreq expects for this error
+ * case and the following one
+ */
+ if (tbl_sz == 0) {
+ pr_warning("%s: no matching entries in rate_table\n",
+ __func__);
+ return;
+ }
+
+ /* Include the CPUFREQ_TABLE_END terminator entry */
+ tbl_sz++;
+
+ freq_table = kzalloc(sizeof(struct cpufreq_frequency_table) * tbl_sz,
+ GFP_ATOMIC);
+ if (!freq_table) {
+ pr_err("%s: could not kzalloc frequency table\n", __func__);
return;
}
+ for (prcm = rate_table; prcm->mpu_speed; prcm++) {
+ if (!(prcm->flags & cpu_mask))
+ continue;
+ if (prcm->xtal_speed != sys_ck_rate)
+ continue;
+
+ /* don't put bypass rates in table */
+ if (prcm->dpll_speed == prcm->xtal_speed)
+ continue;
+
+ freq_table[i].index = i;
+ freq_table[i].frequency = prcm->mpu_speed / 1000;
+ i++;
+ }
+
freq_table[i].index = i;
freq_table[i].frequency = CPUFREQ_TABLE_END;
*table = &freq_table[0];
}
+
+void omap2_clk_exit_cpufreq_table(struct cpufreq_frequency_table **table)
+{
+ kfree(freq_table);
+}
+
#endif
struct clk_functions omap2_clk_functions = {
@@ -494,6 +532,7 @@ struct clk_functions omap2_clk_functions = {
.clk_disable_unused = omap2_clk_disable_unused,
#ifdef CONFIG_CPU_FREQ
.clk_init_cpufreq_table = omap2_clk_init_cpufreq_table,
+ .clk_exit_cpufreq_table = omap2_clk_exit_cpufreq_table,
#endif
};
diff --git a/arch/arm/mach-omap2/clock34xx.c b/arch/arm/mach-omap2/clock34xx.c
index ded32364f32..d4217b93e10 100644
--- a/arch/arm/mach-omap2/clock34xx.c
+++ b/arch/arm/mach-omap2/clock34xx.c
@@ -34,7 +34,6 @@
#include <asm/div64.h>
#include <asm/clkdev.h>
-#include <plat/sdrc.h>
#include "clock.h"
#include "clock34xx.h"
#include "sdrc.h"
diff --git a/arch/arm/mach-omap2/clock34xx_data.c b/arch/arm/mach-omap2/clock34xx_data.c
index 8bdcc9cc7f9..c6031d74d6f 100644
--- a/arch/arm/mach-omap2/clock34xx_data.c
+++ b/arch/arm/mach-omap2/clock34xx_data.c
@@ -776,6 +776,8 @@ static struct clk dpll4_m5_ck = {
.clksel_mask = OMAP3430_CLKSEL_CAM_MASK,
.clksel = div16_dpll4_clksel,
.clkdm_name = "dpll4_clkdm",
+ .set_rate = &omap2_clksel_set_rate,
+ .round_rate = &omap2_clksel_round_rate,
.recalc = &omap2_clksel_recalc,
};
@@ -1500,6 +1502,7 @@ static struct clk uart2_fck = {
.parent = &core_48m_fck,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1),
.enable_bit = OMAP3430_EN_UART2_SHIFT,
+ .clkdm_name = "core_l4_clkdm",
.recalc = &followparent_recalc,
};
@@ -1509,6 +1512,7 @@ static struct clk uart1_fck = {
.parent = &core_48m_fck,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1),
.enable_bit = OMAP3430_EN_UART1_SHIFT,
+ .clkdm_name = "core_l4_clkdm",
.recalc = &followparent_recalc,
};
@@ -2745,7 +2749,7 @@ static struct clk mcbsp4_ick = {
};
static const struct clksel mcbsp_234_clksel[] = {
- { .parent = &core_96m_fck, .rates = common_mcbsp_96m_rates },
+ { .parent = &per_96m_fck, .rates = common_mcbsp_96m_rates },
{ .parent = &mcbsp_clks, .rates = common_mcbsp_mcbsp_rates },
{ .parent = NULL }
};
diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c
index 1a45ed1e8ba..dd285f00146 100644
--- a/arch/arm/mach-omap2/clockdomain.c
+++ b/arch/arm/mach-omap2/clockdomain.c
@@ -559,7 +559,7 @@ int omap2_clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk)
* downstream clocks for debugging purposes?
*/
- if (!clkdm || !clk)
+ if (!clkdm || !clk || !clkdm->clktrctrl_mask)
return -EINVAL;
if (atomic_inc_return(&clkdm->usecount) > 1)
@@ -610,7 +610,7 @@ int omap2_clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk)
* downstream clocks for debugging purposes?
*/
- if (!clkdm || !clk)
+ if (!clkdm || !clk || !clkdm->clktrctrl_mask)
return -EINVAL;
#ifdef DEBUG
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index a8749e8017b..5a7996402c5 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -33,7 +33,6 @@
#include <plat/sdrc.h>
#include <plat/gpmc.h>
#include <plat/serial.h>
-#include <plat/mux.h>
#include <plat/vram.h>
#include "clock.h"
@@ -73,21 +72,21 @@ static struct map_desc omap24xx_io_desc[] __initdata = {
#ifdef CONFIG_ARCH_OMAP2420
static struct map_desc omap242x_io_desc[] __initdata = {
{
- .virtual = DSP_MEM_24XX_VIRT,
- .pfn = __phys_to_pfn(DSP_MEM_24XX_PHYS),
- .length = DSP_MEM_24XX_SIZE,
+ .virtual = DSP_MEM_2420_VIRT,
+ .pfn = __phys_to_pfn(DSP_MEM_2420_PHYS),
+ .length = DSP_MEM_2420_SIZE,
.type = MT_DEVICE
},
{
- .virtual = DSP_IPI_24XX_VIRT,
- .pfn = __phys_to_pfn(DSP_IPI_24XX_PHYS),
- .length = DSP_IPI_24XX_SIZE,
+ .virtual = DSP_IPI_2420_VIRT,
+ .pfn = __phys_to_pfn(DSP_IPI_2420_PHYS),
+ .length = DSP_IPI_2420_SIZE,
.type = MT_DEVICE
},
{
- .virtual = DSP_MMU_24XX_VIRT,
- .pfn = __phys_to_pfn(DSP_MMU_24XX_PHYS),
- .length = DSP_MMU_24XX_SIZE,
+ .virtual = DSP_MMU_2420_VIRT,
+ .pfn = __phys_to_pfn(DSP_MMU_2420_PHYS),
+ .length = DSP_MMU_2420_SIZE,
.type = MT_DEVICE
},
};
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index e071b3fd187..459ef23ab8a 100644
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -994,8 +994,10 @@ int __init omap_mux_init(u32 mux_pbase, u32 mux_size,
}
#ifdef CONFIG_OMAP_MUX
- omap_mux_package_fixup(package_subset, superset);
- omap_mux_package_init_balls(package_balls, superset);
+ if (package_subset)
+ omap_mux_package_fixup(package_subset, superset);
+ if (package_balls)
+ omap_mux_package_init_balls(package_balls, superset);
omap_mux_set_cmdline_signals();
omap_mux_set_board_signals(board_mux);
#endif
diff --git a/arch/arm/mach-omap2/opp2420_data.c b/arch/arm/mach-omap2/opp2420_data.c
index 126a9396b3a..e6dda694fd5 100644
--- a/arch/arm/mach-omap2/opp2420_data.c
+++ b/arch/arm/mach-omap2/opp2420_data.c
@@ -9,45 +9,47 @@
* The OMAP2 processor can be run at several discrete 'PRCM configurations'.
* These configurations are characterized by voltage and speed for clocks.
* The device is only validated for certain combinations. One way to express
- * these combinations is via the 'ratio's' which the clocks operate with
+ * these combinations is via the 'ratios' which the clocks operate with
* respect to each other. These ratio sets are for a given voltage/DPLL
- * setting. All configurations can be described by a DPLL setting and a ratio
- * There are 3 ratio sets for the 2430 and X ratio sets for 2420.
- *
- * 2430 differs from 2420 in that there are no more phase synchronizers used.
- * They both have a slightly different clock domain setup. 2420(iva1,dsp) vs
- * 2430 (iva2.1, NOdsp, mdm)
+ * setting. All configurations can be described by a DPLL setting and a ratio.
*
* XXX Missing voltage data.
+ * XXX Missing 19.2MHz sys_clk rate sets (needed for N800/N810)
*
* THe format described in this file is deprecated. Once a reasonable
* OPP API exists, the data in this file should be converted to use it.
*
* This is technically part of the OMAP2xxx clock code.
+ *
+ * Considerable work is still needed to fully support dynamic frequency
+ * changes on OMAP2xxx-series chips. Readers interested in such a
+ * project are encouraged to review the Maemo Diablo RX-34 and RX-44
+ * kernel source at:
+ * http://repository.maemo.org/pool/diablo/free/k/kernel-source-diablo/
*/
#include "opp2xxx.h"
#include "sdrc.h"
#include "clock.h"
-/*-------------------------------------------------------------------------
- * Key dividers which make up a PRCM set. Ratio's for a PRCM are mandated.
+/*
+ * Key dividers which make up a PRCM set. Ratios for a PRCM are mandated.
* xtal_speed, dpll_speed, mpu_speed, CM_CLKSEL_MPU,
* CM_CLKSEL_DSP, CM_CLKSEL_GFX, CM_CLKSEL1_CORE, CM_CLKSEL1_PLL,
* CM_CLKSEL2_PLL, CM_CLKSEL_MDM
*
- * Filling in table based on H4 boards and 2430-SDPs variants available.
- * There are quite a few more rates combinations which could be defined.
+ * Filling in table based on H4 boards available. There are quite a
+ * few more rate combinations which could be defined.
*
- * When multiple values are defined the start up will try and choose the
- * fastest one. If a 'fast' value is defined, then automatically, the /2
- * one should be included as it can be used. Generally having more that
- * one fast set does not make sense, as static timings need to be changed
- * to change the set. The exception is the bypass setting which is
- * availble for low power bypass.
+ * When multiple values are defined the start up will try and choose
+ * the fastest one. If a 'fast' value is defined, then automatically,
+ * the /2 one should be included as it can be used. Generally having
+ * more than one fast set does not make sense, as static timings need
+ * to be changed to change the set. The exception is the bypass
+ * setting which is available for low power bypass.
*
* Note: This table needs to be sorted, fastest to slowest.
- *-------------------------------------------------------------------------*/
+ **/
const struct prcm_config omap2420_rate_table[] = {
/* PRCM I - FAST */
{S12M, S660M, S330M, RI_CM_CLKSEL_MPU_VAL, /* 330MHz ARM */
diff --git a/arch/arm/mach-omap2/opp2430_data.c b/arch/arm/mach-omap2/opp2430_data.c
index edb81672c84..1b9596ae201 100644
--- a/arch/arm/mach-omap2/opp2430_data.c
+++ b/arch/arm/mach-omap2/opp2430_data.c
@@ -1,5 +1,5 @@
/*
- * opp2420_data.c - old-style "OPP" table for OMAP2420
+ * opp2430_data.c - old-style "OPP" table for OMAP2430
*
* Copyright (C) 2005-2009 Texas Instruments, Inc.
* Copyright (C) 2004-2009 Nokia Corporation
@@ -9,16 +9,16 @@
* The OMAP2 processor can be run at several discrete 'PRCM configurations'.
* These configurations are characterized by voltage and speed for clocks.
* The device is only validated for certain combinations. One way to express
- * these combinations is via the 'ratio's' which the clocks operate with
+ * these combinations is via the 'ratios' which the clocks operate with
* respect to each other. These ratio sets are for a given voltage/DPLL
- * setting. All configurations can be described by a DPLL setting and a ratio
- * There are 3 ratio sets for the 2430 and X ratio sets for 2420.
+ * setting. All configurations can be described by a DPLL setting and a ratio.
*
* 2430 differs from 2420 in that there are no more phase synchronizers used.
* They both have a slightly different clock domain setup. 2420(iva1,dsp) vs
* 2430 (iva2.1, NOdsp, mdm)
*
* XXX Missing voltage data.
+ * XXX Missing 19.2MHz sys_clk rate sets.
*
* THe format described in this file is deprecated. Once a reasonable
* OPP API exists, the data in this file should be converted to use it.
@@ -30,24 +30,24 @@
#include "sdrc.h"
#include "clock.h"
-/*-------------------------------------------------------------------------
- * Key dividers which make up a PRCM set. Ratio's for a PRCM are mandated.
+/*
+ * Key dividers which make up a PRCM set. Ratios for a PRCM are mandated.
* xtal_speed, dpll_speed, mpu_speed, CM_CLKSEL_MPU,
* CM_CLKSEL_DSP, CM_CLKSEL_GFX, CM_CLKSEL1_CORE, CM_CLKSEL1_PLL,
* CM_CLKSEL2_PLL, CM_CLKSEL_MDM
*
- * Filling in table based on H4 boards and 2430-SDPs variants available.
- * There are quite a few more rates combinations which could be defined.
+ * Filling in table based on 2430-SDPs variants available. There are
+ * quite a few more rate combinations which could be defined.
*
- * When multiple values are defined the start up will try and choose the
- * fastest one. If a 'fast' value is defined, then automatically, the /2
- * one should be included as it can be used. Generally having more that
- * one fast set does not make sense, as static timings need to be changed
- * to change the set. The exception is the bypass setting which is
- * availble for low power bypass.
+ * When multiple values are defined the start up will try and choose
+ * the fastest one. If a 'fast' value is defined, then automatically,
+ * the /2 one should be included as it can be used. Generally having
+ * more than one fast set does not make sense, as static timings need
+ * to be changed to change the set. The exception is the bypass
+ * setting which is available for low power bypass.
*
* Note: This table needs to be sorted, fastest to slowest.
- *-------------------------------------------------------------------------*/
+ */
const struct prcm_config omap2430_rate_table[] = {
/* PRCM #4 - ratio2 (ES2.1) - FAST */
{S13M, S798M, S399M, R2_CM_CLKSEL_MPU_VAL, /* 399MHz ARM */
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 81ed252a0f8..c6cc809afb7 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -124,8 +124,8 @@ static void omap3_core_save_context(void)
control_padconf_off |= START_PADCONF_SAVE;
omap_ctrl_writel(control_padconf_off, OMAP343X_CONTROL_PADCONF_OFF);
/* wait for the save to complete */
- while (!omap_ctrl_readl(OMAP343X_CONTROL_GENERAL_PURPOSE_STATUS)
- & PADCONF_SAVE_DONE)
+ while (!(omap_ctrl_readl(OMAP343X_CONTROL_GENERAL_PURPOSE_STATUS)
+ & PADCONF_SAVE_DONE))
;
/* Save the Interrupt controller context */
omap_intc_save_context();
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index 39b797bc14d..8c964bec815 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -125,6 +125,13 @@ static struct plat_serial8250_port serial_platform_data3[] = {
}
};
#endif
+static inline unsigned int __serial_read_reg(struct uart_port *up,
+ int offset)
+{
+ offset <<= up->regshift;
+ return (unsigned int)__raw_readb(up->membase + offset);
+}
+
static inline unsigned int serial_read_reg(struct plat_serial8250_port *up,
int offset)
{
@@ -583,11 +590,12 @@ static unsigned int serial_in_override(struct uart_port *up, int offset)
{
if (UART_RX == offset) {
unsigned int lsr;
- lsr = serial_read_reg(omap_uart[up->line].p, UART_LSR);
+ lsr = __serial_read_reg(up, UART_LSR);
if (!(lsr & UART_LSR_DR))
return -EPERM;
}
- return serial_read_reg(omap_uart[up->line].p, offset);
+
+ return __serial_read_reg(up, offset);
}
void __init omap_serial_early_init(void)
@@ -640,12 +648,9 @@ void __init omap_serial_early_init(void)
uart->num = i;
p->private_data = uart;
uart->p = p;
- list_add_tail(&uart->node, &uart_list);
if (cpu_is_omap44xx())
p->irq += 32;
-
- omap_uart_enable_clocks(uart);
}
}
@@ -673,9 +678,13 @@ void __init omap_serial_init_port(int port)
pdev = &uart->pdev;
dev = &pdev->dev;
+ omap_uart_enable_clocks(uart);
+
omap_uart_reset(uart);
omap_uart_idle_init(uart);
+ list_add_tail(&uart->node, &uart_list);
+
if (WARN_ON(platform_device_register(pdev)))
return;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-07 14:37:27 +0000