12 files changed, 195 insertions, 30 deletions

diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 9e7582572741..356d702c0808 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -94,7 +94,7 @@ CFLAGS_ABI	+=-funwind-tables
 endif
 
 ifeq ($(CONFIG_THUMB2_KERNEL),y)
-AFLAGS_AUTOIT   :=$(call as-option,-Wa$(comma)-mimplicit-it=thumb,-Wa$(comma)-mauto-it)
+AFLAGS_AUTOIT   :=$(call as-option,-Wa$(comma)-mimplicit-it=always,-Wa$(comma)-mauto-it)
 AFLAGS_NOWARN   :=$(call as-option,-Wa$(comma)-mno-warn-deprecated,-Wa$(comma)-W)
 CFLAGS_THUMB2   :=-mthumb $(AFLAGS_AUTOIT) $(AFLAGS_NOWARN)
 AFLAGS_THUMB2   :=$(CFLAGS_THUMB2) -Wa$(comma)-mthumb
diff --git a/arch/arm/mach-mx25/clock.c b/arch/arm/mach-mx25/clock.c
index 6e838b857712..6acc88bcdc40 100644
--- a/arch/arm/mach-mx25/clock.c
+++ b/arch/arm/mach-mx25/clock.c
@@ -119,6 +119,11 @@ static unsigned long get_rate_nfc(struct clk *clk)
         return get_rate_per(8);
 }
 
+static unsigned long get_rate_gpt(struct clk *clk)
+{
+        return get_rate_per(5);
+}
+
 static unsigned long get_rate_otg(struct clk *clk)
 {
         return 48000000; /* FIXME */
@@ -144,7 +149,7 @@ static void clk_cgcr_disable(struct clk *clk)
         __raw_writel(reg, clk->enable_reg);
 }
 
-#define DEFINE_CLOCK(name, i, er, es, gr, sr)           \
+#define DEFINE_CLOCK(name, i, er, es, gr, sr, s)        \
         static struct clk name = {                      \
                 .id             = i,                    \
                 .enable_reg     = CRM_BASE + er,        \
@@ -153,27 +158,30 @@ static void clk_cgcr_disable(struct clk *clk)
                 .set_rate       = sr,                   \
                 .enable         = clk_cgcr_enable,      \
                 .disable        = clk_cgcr_disable,     \
+                .secondary      = s,                    \
         }
 
-DEFINE_CLOCK(gpt_clk,    0, CCM_CGCR0,  5, get_rate_ipg, NULL);
-DEFINE_CLOCK(cspi1_clk,  0, CCM_CGCR1,  5, get_rate_ipg, NULL);
-DEFINE_CLOCK(cspi2_clk,  0, CCM_CGCR1,  6, get_rate_ipg, NULL);
-DEFINE_CLOCK(cspi3_clk,  0, CCM_CGCR1,  7, get_rate_ipg, NULL);
-DEFINE_CLOCK(uart1_clk,  0, CCM_CGCR2, 14, get_rate_uart, NULL);
-DEFINE_CLOCK(uart2_clk,  0, CCM_CGCR2, 15, get_rate_uart, NULL);
-DEFINE_CLOCK(uart3_clk,  0, CCM_CGCR2, 16, get_rate_uart, NULL);
-DEFINE_CLOCK(uart4_clk,  0, CCM_CGCR2, 17, get_rate_uart, NULL);
-DEFINE_CLOCK(uart5_clk,  0, CCM_CGCR2, 18, get_rate_uart, NULL);
-DEFINE_CLOCK(nfc_clk,    0, CCM_CGCR0,  8, get_rate_nfc, NULL);
-DEFINE_CLOCK(usbotg_clk, 0, CCM_CGCR0, 28, get_rate_otg, NULL);
-DEFINE_CLOCK(pwm1_clk,   0, CCM_CGCR1, 31, get_rate_ipg, NULL);
-DEFINE_CLOCK(pwm2_clk,   0, CCM_CGCR2,  0, get_rate_ipg, NULL);
-DEFINE_CLOCK(pwm3_clk,   0, CCM_CGCR2,  1, get_rate_ipg, NULL);
-DEFINE_CLOCK(pwm4_clk,   0, CCM_CGCR2,  2, get_rate_ipg, NULL);
-DEFINE_CLOCK(kpp_clk,    0, CCM_CGCR1, 28, get_rate_ipg, NULL);
-DEFINE_CLOCK(tsc_clk,    0, CCM_CGCR2, 13, get_rate_ipg, NULL);
-DEFINE_CLOCK(i2c_clk,    0, CCM_CGCR0,  6, get_rate_i2c, NULL);
-DEFINE_CLOCK(fec_clk,    0, CCM_CGCR0, 23, get_rate_ipg, NULL);
+DEFINE_CLOCK(gpt_clk,    0, CCM_CGCR0,  5, get_rate_gpt, NULL, NULL);
+DEFINE_CLOCK(uart_per_clk, 0, CCM_CGCR0, 15, get_rate_uart, NULL, NULL);
+DEFINE_CLOCK(cspi1_clk,  0, CCM_CGCR1,  5, get_rate_ipg, NULL, NULL);
+DEFINE_CLOCK(cspi2_clk,  0, CCM_CGCR1,  6, get_rate_ipg, NULL, NULL);
+DEFINE_CLOCK(cspi3_clk,  0, CCM_CGCR1,  7, get_rate_ipg, NULL, NULL);
+DEFINE_CLOCK(fec_ahb_clk, 0, CCM_CGCR0, 23, NULL,        NULL, NULL);
+DEFINE_CLOCK(uart1_clk,  0, CCM_CGCR2, 14, get_rate_uart, NULL, &uart_per_clk);
+DEFINE_CLOCK(uart2_clk,  0, CCM_CGCR2, 15, get_rate_uart, NULL, &uart_per_clk);
+DEFINE_CLOCK(uart3_clk,  0, CCM_CGCR2, 16, get_rate_uart, NULL, &uart_per_clk);
+DEFINE_CLOCK(uart4_clk,  0, CCM_CGCR2, 17, get_rate_uart, NULL, &uart_per_clk);
+DEFINE_CLOCK(uart5_clk,  0, CCM_CGCR2, 18, get_rate_uart, NULL, &uart_per_clk);
+DEFINE_CLOCK(nfc_clk,    0, CCM_CGCR0,  8, get_rate_nfc, NULL, NULL);
+DEFINE_CLOCK(usbotg_clk, 0, CCM_CGCR0, 28, get_rate_otg, NULL, NULL);
+DEFINE_CLOCK(pwm1_clk,   0, CCM_CGCR1, 31, get_rate_ipg, NULL, NULL);
+DEFINE_CLOCK(pwm2_clk,   0, CCM_CGCR2,  0, get_rate_ipg, NULL, NULL);
+DEFINE_CLOCK(pwm3_clk,   0, CCM_CGCR2,  1, get_rate_ipg, NULL, NULL);
+DEFINE_CLOCK(pwm4_clk,   0, CCM_CGCR2,  2, get_rate_ipg, NULL, NULL);
+DEFINE_CLOCK(kpp_clk,    0, CCM_CGCR1, 28, get_rate_ipg, NULL, NULL);
+DEFINE_CLOCK(tsc_clk,    0, CCM_CGCR2, 13, get_rate_ipg, NULL, NULL);
+DEFINE_CLOCK(i2c_clk,    0, CCM_CGCR0,  6, get_rate_i2c, NULL, NULL);
+DEFINE_CLOCK(fec_clk,    0, CCM_CGCR1, 15, get_rate_ipg, NULL, &fec_ahb_clk);
 
 #define _REGISTER_CLOCK(d, n, c)        \
         {                               \
@@ -208,13 +216,21 @@ static struct clk_lookup lookups[] = {
         _REGISTER_CLOCK("fec.0", NULL, fec_clk)
 };
 
-int __init mx25_clocks_init(unsigned long fref)
+int __init mx25_clocks_init(void)
 {
         int i;
 
         for (i = 0; i < ARRAY_SIZE(lookups); i++)
                 clkdev_add(&lookups[i]);
 
+        /* Turn off all clocks except the ones we need to survive, namely:
+         * EMI, GPIO1-3 (CCM_CGCR1[18:16]), GPT1, IOMUXC (CCM_CGCR1[27]), IIM,
+         * SCC
+         */
+        __raw_writel((1 << 19), CRM_BASE + CCM_CGCR0);
+        __raw_writel((0xf << 16) | (3 << 26), CRM_BASE + CCM_CGCR1);
+        __raw_writel((1 << 5), CRM_BASE + CCM_CGCR2);
+
         mxc_timer_init(&gpt_clk, MX25_IO_ADDRESS(MX25_GPT1_BASE_ADDR), 54);
 
         return 0;
diff --git a/arch/arm/mach-mx25/mx25pdk.c b/arch/arm/mach-mx25/mx25pdk.c
index 921bc99ea231..6f06089246eb 100644
--- a/arch/arm/mach-mx25/mx25pdk.c
+++ b/arch/arm/mach-mx25/mx25pdk.c
@@ -91,7 +91,7 @@ static void __init mx25pdk_init(void)
 
 static void __init mx25pdk_timer_init(void)
 {
-        mx25_clocks_init(26000000);
+        mx25_clocks_init();
 }
 
 static struct sys_timer mx25pdk_timer = {
diff --git a/arch/arm/mach-mx3/mx31ads.c b/arch/arm/mach-mx3/mx31ads.c
index 3e7bafa2ddbb..938c549767dc 100644
--- a/arch/arm/mach-mx3/mx31ads.c
+++ b/arch/arm/mach-mx3/mx31ads.c
@@ -173,6 +173,7 @@ static void expio_unmask_irq(u32 irq)
 }
 
 static struct irq_chip expio_irq_chip = {
+        .name = "EXPIO(CPLD)",
         .ack = expio_ack_irq,
         .mask = expio_mask_irq,
         .unmask = expio_unmask_irq,
@@ -302,6 +303,7 @@ static struct regulator_init_data ldo1_data = {
                 .min_uV = 2800000,
                 .max_uV = 2800000,
                 .valid_modes_mask = REGULATOR_MODE_NORMAL,
+                .valid_ops_mask = REGULATOR_CHANGE_STATUS,
                 .apply_uV = 1,
         },
 };
@@ -322,6 +324,7 @@ static struct regulator_init_data ldo2_data = {
                 .min_uV = 3300000,
                 .max_uV = 3300000,
                 .valid_modes_mask = REGULATOR_MODE_NORMAL,
+                .valid_ops_mask = REGULATOR_CHANGE_STATUS,
                 .apply_uV = 1,
         },
         .num_consumer_supplies = ARRAY_SIZE(ldo2_consumers),
@@ -459,6 +462,7 @@ static int mx31_wm8350_init(struct wm8350 *wm8350)
 
 static struct wm8350_platform_data __initdata mx31_wm8350_pdata = {
         .init = mx31_wm8350_init,
+        .irq_base = MXC_BOARD_IRQ_START + MXC_MAX_EXP_IO_LINES,
 };
 #endif
 
diff --git a/arch/arm/mach-realview/realview_pbx.c b/arch/arm/mach-realview/realview_pbx.c
index a21a4b395f73..d94857eb0690 100644
--- a/arch/arm/mach-realview/realview_pbx.c
+++ b/arch/arm/mach-realview/realview_pbx.c
@@ -334,8 +334,8 @@ static void realview_pbx_reset(char mode)
          * in the system FPGA
          */
         __raw_writel(REALVIEW_SYS_LOCK_VAL, lock_ctrl);
-        __raw_writel(0x0000, reset_ctrl);
-        __raw_writel(0x0004, reset_ctrl);
+        __raw_writel(0x00F0, reset_ctrl);
+        __raw_writel(0x00F4, reset_ctrl);
 }
 
 static void __init realview_pbx_init(void)
diff --git a/arch/arm/mm/proc-arm6_7.S b/arch/arm/mm/proc-arm6_7.S
index 3f9cd3d8f6d5..795dc615f43b 100644
--- a/arch/arm/mm/proc-arm6_7.S
+++ b/arch/arm/mm/proc-arm6_7.S
@@ -41,7 +41,7 @@ ENTRY(cpu_arm7_dcache_clean_area)
 ENTRY(cpu_arm7_data_abort)
         mrc     p15, 0, r1, c5, c0, 0           @ get FSR
         mrc     p15, 0, r0, c6, c0, 0           @ get FAR
-        ldr     r8, [r0]                        @ read arm instruction
+        ldr     r8, [r2]                        @ read arm instruction
         tst     r8, #1 << 20                    @ L = 0 -> write?
         orreq   r1, r1, #1 << 11                @ yes.
         and     r7, r8, #15 << 24
diff --git a/arch/arm/plat-mxc/audmux-v2.c b/arch/arm/plat-mxc/audmux-v2.c
index 6f21096086fd..b06954a84436 100644
--- a/arch/arm/plat-mxc/audmux-v2.c
+++ b/arch/arm/plat-mxc/audmux-v2.c
@@ -23,6 +23,7 @@
 #include <linux/err.h>
 #include <linux/io.h>
 #include <linux/clk.h>
+#include <linux/debugfs.h>
 #include <mach/audmux.h>
 #include <mach/hardware.h>
 
@@ -32,6 +33,140 @@ static void __iomem *audmux_base;
 #define MXC_AUDMUX_V2_PTCR(x)           ((x) * 8)
 #define MXC_AUDMUX_V2_PDCR(x)           ((x) * 8 + 4)
 
+#ifdef CONFIG_DEBUG_FS
+static struct dentry *audmux_debugfs_root;
+
+static int audmux_open_file(struct inode *inode, struct file *file)
+{
+        file->private_data = inode->i_private;
+        return 0;
+}
+
+/* There is an annoying discontinuity in the SSI numbering with regard
+ * to the Linux number of the devices */
+static const char *audmux_port_string(int port)
+{
+        switch (port) {
+        case MX31_AUDMUX_PORT1_SSI0:
+                return "imx-ssi.0";
+        case MX31_AUDMUX_PORT2_SSI1:
+                return "imx-ssi.1";
+        case MX31_AUDMUX_PORT3_SSI_PINS_3:
+                return "SSI3";
+        case MX31_AUDMUX_PORT4_SSI_PINS_4:
+                return "SSI4";
+        case MX31_AUDMUX_PORT5_SSI_PINS_5:
+                return "SSI5";
+        case MX31_AUDMUX_PORT6_SSI_PINS_6:
+                return "SSI6";
+        default:
+                return "UNKNOWN";
+        }
+}
+
+static ssize_t audmux_read_file(struct file *file, char __user *user_buf,
+                                size_t count, loff_t *ppos)
+{
+        ssize_t ret;
+        char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
+        int port = (int)file->private_data;
+        u32 pdcr, ptcr;
+
+        if (!buf)
+                return -ENOMEM;
+
+        if (audmux_clk)
+                clk_enable(audmux_clk);
+
+        ptcr = readl(audmux_base + MXC_AUDMUX_V2_PTCR(port));
+        pdcr = readl(audmux_base + MXC_AUDMUX_V2_PDCR(port));
+
+        if (audmux_clk)
+                clk_disable(audmux_clk);
+
+        ret = snprintf(buf, PAGE_SIZE, "PDCR: %08x\nPTCR: %08x\n",
+                       pdcr, ptcr);
+
+        if (ptcr & MXC_AUDMUX_V2_PTCR_TFSDIR)
+                ret += snprintf(buf + ret, PAGE_SIZE - ret,
+                                "TxFS output from %s, ",
+                                audmux_port_string((ptcr >> 27) & 0x7));
+        else
+                ret += snprintf(buf + ret, PAGE_SIZE - ret,
+                                "TxFS input, ");
+
+        if (ptcr & MXC_AUDMUX_V2_PTCR_TCLKDIR)
+                ret += snprintf(buf + ret, PAGE_SIZE - ret,
+                                "TxClk output from %s",
+                                audmux_port_string((ptcr >> 22) & 0x7));
+        else
+                ret += snprintf(buf + ret, PAGE_SIZE - ret,
+                                "TxClk input");
+
+        ret += snprintf(buf + ret, PAGE_SIZE - ret, "\n");
+
+        if (ptcr & MXC_AUDMUX_V2_PTCR_SYN) {
+                ret += snprintf(buf + ret, PAGE_SIZE - ret,
+                                "Port is symmetric");
+        } else {
+                if (ptcr & MXC_AUDMUX_V2_PTCR_RFSDIR)
+                        ret += snprintf(buf + ret, PAGE_SIZE - ret,
+                                        "RxFS output from %s, ",
+                                        audmux_port_string((ptcr >> 17) & 0x7));
+                else
+                        ret += snprintf(buf + ret, PAGE_SIZE - ret,
+                                        "RxFS input, ");
+
+                if (ptcr & MXC_AUDMUX_V2_PTCR_RCLKDIR)
+                        ret += snprintf(buf + ret, PAGE_SIZE - ret,
+                                        "RxClk output from %s",
+                                        audmux_port_string((ptcr >> 12) & 0x7));
+                else
+                        ret += snprintf(buf + ret, PAGE_SIZE - ret,
+                                        "RxClk input");
+        }
+
+        ret += snprintf(buf + ret, PAGE_SIZE - ret,
+                        "\nData received from %s\n",
+                        audmux_port_string((pdcr >> 13) & 0x7));
+
+        ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
+
+        kfree(buf);
+
+        return ret;
+}
+
+static const struct file_operations audmux_debugfs_fops = {
+        .open = audmux_open_file,
+        .read = audmux_read_file,
+};
+
+static void audmux_debugfs_init(void)
+{
+        int i;
+        char buf[20];
+
+        audmux_debugfs_root = debugfs_create_dir("audmux", NULL);
+        if (!audmux_debugfs_root) {
+                pr_warning("Failed to create AUDMUX debugfs root\n");
+                return;
+        }
+
+        for (i = 1; i < 8; i++) {
+                snprintf(buf, sizeof(buf), "ssi%d", i);
+                if (!debugfs_create_file(buf, 0444, audmux_debugfs_root,
+                                         (void *)i, &audmux_debugfs_fops))
+                        pr_warning("Failed to create AUDMUX port %d debugfs file\n",
+                                   i);
+        }
+}
+#else
+static inline void audmux_debugfs_init(void)
+{
+}
+#endif
+
 int mxc_audmux_v2_configure_port(unsigned int port, unsigned int ptcr,
                 unsigned int pdcr)
 {
@@ -68,6 +203,8 @@ static int mxc_audmux_v2_init(void)
         if (cpu_is_mx31() || cpu_is_mx35())
                 audmux_base = IO_ADDRESS(AUDMUX_BASE_ADDR);
 
+        audmux_debugfs_init();
+
         return 0;
 }
 
diff --git a/arch/arm/plat-mxc/include/mach/board-mx31lite.h b/arch/arm/plat-mxc/include/mach/board-mx31lite.h
index 0184b638c268..2b2da0367578 100644
--- a/arch/arm/plat-mxc/include/mach/board-mx31lite.h
+++ b/arch/arm/plat-mxc/include/mach/board-mx31lite.h
@@ -25,7 +25,7 @@
 
 #ifndef __ASSEMBLY__
 
-enum mx31lilly_boards {
+enum mx31lite_boards {
         MX31LITE_NOBOARD        = 0,
         MX31LITE_DB             = 1,
 };
diff --git a/arch/arm/plat-mxc/include/mach/common.h b/arch/arm/plat-mxc/include/mach/common.h
index 286cb9b0a25b..4bf1068ffad9 100644
--- a/arch/arm/plat-mxc/include/mach/common.h
+++ b/arch/arm/plat-mxc/include/mach/common.h
@@ -32,7 +32,7 @@ extern void mxc91231_init_irq(void);
 extern void mxc_timer_init(struct clk *timer_clk, void __iomem *, int);
 extern int mx1_clocks_init(unsigned long fref);
 extern int mx21_clocks_init(unsigned long lref, unsigned long fref);
-extern int mx25_clocks_init(unsigned long fref);
+extern int mx25_clocks_init(void);
 extern int mx27_clocks_init(unsigned long fref);
 extern int mx31_clocks_init(unsigned long fref);
 extern int mx35_clocks_init(void);
diff --git a/arch/arm/plat-mxc/include/mach/iomux-mx35.h b/arch/arm/plat-mxc/include/mach/iomux-mx35.h
index 00b0ac1db225..c88d40795f7a 100644
--- a/arch/arm/plat-mxc/include/mach/iomux-mx35.h
+++ b/arch/arm/plat-mxc/include/mach/iomux-mx35.h
@@ -671,7 +671,7 @@
 #define MX35_PAD_LD8__SDMA_SDMA_DEBUG_PC_8                      IOMUX_PAD(0x634, 0x1d0, 6, 0x0,   0, NO_PAD_CTRL)
 
 #define MX35_PAD_LD9__IPU_DISPB_DAT_9                           IOMUX_PAD(0x638, 0x1d4, 0, 0x0,   0, NO_PAD_CTRL)
-#define MX35_PAD_LD9__GPIO2_9                                   IOMUX_PAD(0x638, 0x1d4, 5, 0x8e4  0, NO_PAD_CTRL)
+#define MX35_PAD_LD9__GPIO2_9                                   IOMUX_PAD(0x638, 0x1d4, 5, 0x8e4, 0, NO_PAD_CTRL)
 #define MX35_PAD_LD9__SDMA_SDMA_DEBUG_PC_9                      IOMUX_PAD(0x638, 0x1d4, 6, 0x0,   0, NO_PAD_CTRL)
 
 #define MX35_PAD_LD10__IPU_DISPB_DAT_10                         IOMUX_PAD(0x63c, 0x1d8, 0, 0x0,   0, NO_PAD_CTRL)
diff --git a/arch/arm/plat-mxc/include/mach/irqs.h b/arch/arm/plat-mxc/include/mach/irqs.h
index ead9d592168d..0cb347645db4 100644
--- a/arch/arm/plat-mxc/include/mach/irqs.h
+++ b/arch/arm/plat-mxc/include/mach/irqs.h
@@ -37,7 +37,12 @@
  * within sensible limits.
  */
 #define MXC_BOARD_IRQ_START     (MXC_INTERNAL_IRQS + MXC_GPIO_IRQS)
+
+#ifdef CONFIG_MACH_MX31ADS_WM1133_EV1
+#define MXC_BOARD_IRQS  80
+#else
 #define MXC_BOARD_IRQS  16
+#endif
 
 #define MXC_IPU_IRQ_START       (MXC_BOARD_IRQ_START + MXC_BOARD_IRQS)
 
diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c
index f60a5400a25b..a63c4be99b36 100644
--- a/arch/arm/vfp/vfpmodule.c
+++ b/arch/arm/vfp/vfpmodule.c
@@ -197,10 +197,13 @@ static void vfp_raise_exceptions(u32 exceptions, u32 inst, u32 fpscr, struct pt_
         }
 
         /*
-         * Update the FPSCR with the additional exception flags.
+         * If any of the status flags are set, update the FPSCR.
          * Comparison instructions always return at least one of
          * these flags set.
          */
+        if (exceptions & (FPSCR_N|FPSCR_Z|FPSCR_C|FPSCR_V))
+                fpscr &= ~(FPSCR_N|FPSCR_Z|FPSCR_C|FPSCR_V);
+
         fpscr |= exceptions;
 
         fmxr(FPSCR, fpscr);