Merge branch 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6

* 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6: (258 commits)
  omap: zoom: host should not pull up wl1271's irq line
  arm: plat-omap: iommu: fix request_mem_region() error path
  OMAP2+: Common CPU DIE ID reading code reads wrong registers for OMAP4430
  omap4: mux: Remove duplicate mux modes
  omap: iovmm: don't check 'da' to set IOVMF_DA_FIXED flag
  omap: iovmm: disallow mapping NULL address when IOVMF_DA_ANON is set
  omap2+: mux: Fix compile when CONFIG_OMAP_MUX is not selected
  omap4: board-omap4panda: Initialise the serial pads
  omap3: board-3430sdp: Initialise the serial pads
  omap4: board-4430sdp: Initialise the serial pads
  omap2+: mux: Add macro for configuring static with omap_hwmod_mux_init
  omap2+: mux: Remove the use of IDLE flag
  omap2+: Add separate list for dynamic pads to mux
  perf: add OMAP support for the new power events
  OMAP4: Add IVA OPP enteries.
  OMAP4: Update Voltage Rail Values for MPU, IVA and CORE
  OMAP4: Enable 800 MHz and 1 GHz MPU-OPP
  OMAP3+: OPP: Replace voltage values with Macros
  OMAP3: wdtimer: Fix CORE idle transition
  Watchdog: omap_wdt: add fine grain runtime-pm
  ...

Fix up various conflicts in
 - arch/arm/mach-omap2/board-omap3evm.c
 - arch/arm/mach-omap2/clock3xxx_data.c
 - arch/arm/mach-omap2/usb-musb.c
 - arch/arm/plat-omap/include/plat/usb.h
 - drivers/usb/musb/musb_core.h

1 files changed, 314 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/omap_l3_smx.c b/arch/arm/mach-omap2/omap_l3_smx.c
new file mode 100644
index 000000000000..265bff3acb9e
--- /dev/null
+++ b/arch/arm/mach-omap2/omap_l3_smx.c
@@ -0,0 +1,314 @@
+ /*
+  * OMAP3XXX L3 Interconnect Driver
+  *
+  * Copyright (C) 2011 Texas Corporation
+  *     Felipe Balbi <balbi@ti.com>
+  *     Santosh Shilimkar <santosh.shilimkar@ti.com>
+  *     Sricharan <r.sricharan@ti.com>
+  *
+  * This program is free software; you can redistribute it and/or modify
+  * it under the terms of the GNU General Public License as published by
+  * the Free Software Foundation; either version 2 of the License, or
+  * (at your option) any later version.
+  *
+  * This program is distributed in the hope that it will be useful,
+  * but WITHOUT ANY WARRANTY; without even the implied warranty of
+  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  * GNU General Public License for more details.
+  *
+  * You should have received a copy of the GNU General Public License
+  * along with this program; if not, write to the Free Software
+  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+  * USA
+  */
+
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include "omap_l3_smx.h"
+
+static inline u64 omap3_l3_readll(void __iomem *base, u16 reg)
+{
+        return __raw_readll(base + reg);
+}
+
+static inline void omap3_l3_writell(void __iomem *base, u16 reg, u64 value)
+{
+        __raw_writell(value, base + reg);
+}
+
+static inline enum omap3_l3_code omap3_l3_decode_error_code(u64 error)
+{
+        return (error & 0x0f000000) >> L3_ERROR_LOG_CODE;
+}
+
+static inline u32 omap3_l3_decode_addr(u64 error_addr)
+{
+        return error_addr & 0xffffffff;
+}
+
+static inline unsigned omap3_l3_decode_cmd(u64 error)
+{
+        return (error & 0x07) >> L3_ERROR_LOG_CMD;
+}
+
+static inline enum omap3_l3_initiator_id omap3_l3_decode_initid(u64 error)
+{
+        return (error & 0xff00) >> L3_ERROR_LOG_INITID;
+}
+
+static inline unsigned omap3_l3_decode_req_info(u64 error)
+{
+        return (error >> 32) & 0xffff;
+}
+
+static char *omap3_l3_code_string(u8 code)
+{
+        switch (code) {
+        case OMAP_L3_CODE_NOERROR:
+                return "No Error";
+        case OMAP_L3_CODE_UNSUP_CMD:
+                return "Unsupported Command";
+        case OMAP_L3_CODE_ADDR_HOLE:
+                return "Address Hole";
+        case OMAP_L3_CODE_PROTECT_VIOLATION:
+                return "Protection Violation";
+        case OMAP_L3_CODE_IN_BAND_ERR:
+                return "In-band Error";
+        case OMAP_L3_CODE_REQ_TOUT_NOT_ACCEPT:
+                return "Request Timeout Not Accepted";
+        case OMAP_L3_CODE_REQ_TOUT_NO_RESP:
+                return "Request Timeout, no response";
+        default:
+                return "UNKNOWN error";
+        }
+}
+
+static char *omap3_l3_initiator_string(u8 initid)
+{
+        switch (initid) {
+        case OMAP_L3_LCD:
+                return "LCD";
+        case OMAP_L3_SAD2D:
+                return "SAD2D";
+        case OMAP_L3_IA_MPU_SS_1:
+        case OMAP_L3_IA_MPU_SS_2:
+        case OMAP_L3_IA_MPU_SS_3:
+        case OMAP_L3_IA_MPU_SS_4:
+        case OMAP_L3_IA_MPU_SS_5:
+                return "MPU";
+        case OMAP_L3_IA_IVA_SS_1:
+        case OMAP_L3_IA_IVA_SS_2:
+        case OMAP_L3_IA_IVA_SS_3:
+                return "IVA_SS";
+        case OMAP_L3_IA_IVA_SS_DMA_1:
+        case OMAP_L3_IA_IVA_SS_DMA_2:
+        case OMAP_L3_IA_IVA_SS_DMA_3:
+        case OMAP_L3_IA_IVA_SS_DMA_4:
+        case OMAP_L3_IA_IVA_SS_DMA_5:
+        case OMAP_L3_IA_IVA_SS_DMA_6:
+                return "IVA_SS_DMA";
+        case OMAP_L3_IA_SGX:
+                return "SGX";
+        case OMAP_L3_IA_CAM_1:
+        case OMAP_L3_IA_CAM_2:
+        case OMAP_L3_IA_CAM_3:
+                return "CAM";
+        case OMAP_L3_IA_DAP:
+                return "DAP";
+        case OMAP_L3_SDMA_WR_1:
+        case OMAP_L3_SDMA_WR_2:
+                return "SDMA_WR";
+        case OMAP_L3_SDMA_RD_1:
+        case OMAP_L3_SDMA_RD_2:
+        case OMAP_L3_SDMA_RD_3:
+        case OMAP_L3_SDMA_RD_4:
+                return "SDMA_RD";
+        case OMAP_L3_USBOTG:
+                return "USB_OTG";
+        case OMAP_L3_USBHOST:
+                return "USB_HOST";
+        default:
+                return "UNKNOWN Initiator";
+        }
+}
+
+/**
+ * omap3_l3_block_irq - handles a register block's irq
+ * @l3: struct omap3_l3 *
+ * @base: register block base address
+ * @error: L3_ERROR_LOG register of our block
+ *
+ * Called in hard-irq context. Caller should take care of locking
+ *
+ * OMAP36xx TRM gives, on page 2001, Figure 9-10, the Typical Error
+ * Analysis Sequence, we are following that sequence here, please
+ * refer to that Figure for more information on the subject.
+ */
+static irqreturn_t omap3_l3_block_irq(struct omap3_l3 *l3,
+                                        u64 error, int error_addr)
+{
+        u8                      code = omap3_l3_decode_error_code(error);
+        u8                      initid = omap3_l3_decode_initid(error);
+        u8                      multi = error & L3_ERROR_LOG_MULTI;
+        u32                     address = omap3_l3_decode_addr(error_addr);
+
+        WARN(true, "%s Error seen by %s %s at address %x\n",
+                                 omap3_l3_code_string(code),
+                          omap3_l3_initiator_string(initid),
+                             multi ? "Multiple Errors" : "",
+                                                   address);
+
+        return IRQ_HANDLED;
+}
+
+static irqreturn_t omap3_l3_app_irq(int irq, void *_l3)
+{
+        struct omap3_l3         *l3 = _l3;
+
+        u64                     status, clear;
+        u64                     error;
+        u64                     error_addr;
+        u64                     err_source = 0;
+        void                    __iomem *base;
+        int                     int_type;
+
+        irqreturn_t             ret = IRQ_NONE;
+
+        if (irq == l3->app_irq)
+                int_type = L3_APPLICATION_ERROR;
+        else
+                int_type = L3_DEBUG_ERROR;
+
+        if (!int_type) {
+                status = omap3_l3_readll(l3->rt, L3_SI_FLAG_STATUS_0);
+                /*
+                 * if we have a timeout error, there's nothing we can
+                 * do besides rebooting the board. So let's BUG on any
+                 * of such errors and handle the others. timeout error
+                 * is severe and not expected to occur.
+                 */
+                BUG_ON(status & L3_STATUS_0_TIMEOUT_MASK);
+        } else {
+                status = omap3_l3_readll(l3->rt, L3_SI_FLAG_STATUS_1);
+                /* No timeout error for debug sources */
+        }
+
+        base = ((l3->rt) + (*(omap3_l3_bases[int_type] + err_source)));
+
+        /* identify the error source */
+        for (err_source = 0; !(status & (1 << err_source)); err_source++)
+                                                                        ;
+        error = omap3_l3_readll(base, L3_ERROR_LOG);
+
+        if (error) {
+                error_addr = omap3_l3_readll(base, L3_ERROR_LOG_ADDR);
+
+                ret |= omap3_l3_block_irq(l3, error, error_addr);
+        }
+
+        /* Clear the status register */
+        clear = ((L3_AGENT_STATUS_CLEAR_IA << int_type) |
+                 (L3_AGENT_STATUS_CLEAR_TA));
+
+        omap3_l3_writell(base, L3_AGENT_STATUS, clear);
+
+        /* clear the error log register */
+        omap3_l3_writell(base, L3_ERROR_LOG, error);
+
+        return ret;
+}
+
+static int __init omap3_l3_probe(struct platform_device *pdev)
+{
+        struct omap3_l3         *l3;
+        struct resource         *res;
+        int                     ret;
+        int                     irq;
+
+        l3 = kzalloc(sizeof(*l3), GFP_KERNEL);
+        if (!l3) {
+                ret = -ENOMEM;
+                goto err0;
+        }
+
+        platform_set_drvdata(pdev, l3);
+
+        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+        if (!res) {
+                dev_err(&pdev->dev, "couldn't find resource\n");
+                ret = -ENODEV;
+                goto err1;
+        }
+        l3->rt = ioremap(res->start, resource_size(res));
+        if (!(l3->rt)) {
+                dev_err(&pdev->dev, "ioremap failed\n");
+                ret = -ENOMEM;
+                goto err2;
+        }
+
+        irq = platform_get_irq(pdev, 0);
+        ret = request_irq(irq, omap3_l3_app_irq,
+                IRQF_DISABLED | IRQF_TRIGGER_RISING,
+                "l3-debug-irq", l3);
+        if (ret) {
+                dev_err(&pdev->dev, "couldn't request debug irq\n");
+                goto err3;
+        }
+        l3->debug_irq = irq;
+
+        irq = platform_get_irq(pdev, 1);
+        ret = request_irq(irq, omap3_l3_app_irq,
+                IRQF_DISABLED | IRQF_TRIGGER_RISING,
+                "l3-app-irq", l3);
+
+        if (ret) {
+                dev_err(&pdev->dev, "couldn't request app irq\n");
+                goto err4;
+        }
+
+        l3->app_irq = irq;
+        goto err0;
+
+err4:
+err3:
+        iounmap(l3->rt);
+err2:
+err1:
+        kfree(l3);
+err0:
+        return ret;
+}
+
+static int __exit omap3_l3_remove(struct platform_device *pdev)
+{
+        struct omap3_l3         *l3 = platform_get_drvdata(pdev);
+
+        free_irq(l3->app_irq, l3);
+        free_irq(l3->debug_irq, l3);
+        iounmap(l3->rt);
+        kfree(l3);
+
+        return 0;
+}
+
+static struct platform_driver omap3_l3_driver = {
+        .remove         = __exit_p(omap3_l3_remove),
+        .driver         = {
+        .name   = "omap_l3_smx",
+        },
+};
+
+static int __init omap3_l3_init(void)
+{
+        return platform_driver_probe(&omap3_l3_driver, omap3_l3_probe);
+}
+postcore_initcall_sync(omap3_l3_init);
+
+static void __exit omap3_l3_exit(void)
+{
+        platform_driver_unregister(&omap3_l3_driver);
+}
+module_exit(omap3_l3_exit);