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

[mv-sheeva.git] / arch / arm / mach-kirkwood / common.c

diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c
index 6072eaa5e66acf81f080d72374fbfd1dfbe7382c..1c82d4290dad6f6e593022fb318e4f67b5694fb6 100644 (file)
--- a/arch/arm/mach-kirkwood/common.c
+++ b/arch/arm/mach-kirkwood/common.c
@@ -25,6 +25,7 @@
 #include <asm/mach/time.h>
 #include <mach/kirkwood.h>
 #include <mach/bridge-regs.h>
+#include <plat/audio.h>
 #include <plat/cache-feroceon-l2.h>
 #include <plat/ehci-orion.h>
 #include <plat/mvsdio.h>
@@ -43,6 +44,11 @@ static struct map_desc kirkwood_io_desc[] __initdata = {
                .pfn            = __phys_to_pfn(KIRKWOOD_PCIE_IO_PHYS_BASE),
                .length         = KIRKWOOD_PCIE_IO_SIZE,
                .type           = MT_DEVICE,
+       }, {
+               .virtual        = KIRKWOOD_PCIE1_IO_VIRT_BASE,
+               .pfn            = __phys_to_pfn(KIRKWOOD_PCIE1_IO_PHYS_BASE),
+               .length         = KIRKWOOD_PCIE1_IO_SIZE,
+               .type           = MT_DEVICE,
        }, {
                .virtual        = KIRKWOOD_REGS_VIRT_BASE,
                .pfn            = __phys_to_pfn(KIRKWOOD_REGS_PHYS_BASE),
@@ -402,7 +408,7 @@ void __init kirkwood_sdio_init(struct mvsdio_platform_data *mvsdio_data)
        u32 dev, rev;
 
        kirkwood_pcie_id(&dev, &rev);
-       if (rev == 0)  /* catch all Kirkwood Z0's */
+       if (rev == 0 && dev != MV88F6282_DEV_ID) /* catch all Kirkwood Z0's */
                mvsdio_data->clock = 100000000;
        else
                mvsdio_data->clock = 200000000;
@@ -847,8 +853,10 @@ int __init kirkwood_find_tclk(void)
        u32 dev, rev;
 
        kirkwood_pcie_id(&dev, &rev);
-       if (dev == MV88F6281_DEV_ID && (rev == MV88F6281_REV_A0 ||
-                                       rev == MV88F6281_REV_A1))
+
+       if ((dev == MV88F6281_DEV_ID && (rev == MV88F6281_REV_A0 ||
+                                       rev == MV88F6281_REV_A1)) ||
+           (dev == MV88F6282_DEV_ID))
                return 200000000;
 
        return 166666667;
@@ -864,6 +872,42 @@ struct sys_timer kirkwood_timer = {
        .init = kirkwood_timer_init,
 };
 
+/*****************************************************************************
+ * Audio
+ ****************************************************************************/
+static struct resource kirkwood_i2s_resources[] = {
+       [0] = {
+               .start  = AUDIO_PHYS_BASE,
+               .end    = AUDIO_PHYS_BASE + SZ_16K - 1,
+               .flags  = IORESOURCE_MEM,
+       },
+       [1] = {
+               .start  = IRQ_KIRKWOOD_I2S,
+               .end    = IRQ_KIRKWOOD_I2S,
+               .flags  = IORESOURCE_IRQ,
+       },
+};
+
+static struct kirkwood_asoc_platform_data kirkwood_i2s_data = {
+       .dram        = &kirkwood_mbus_dram_info,
+       .burst       = 128,
+};
+
+static struct platform_device kirkwood_i2s_device = {
+       .name           = "kirkwood-i2s",
+       .id             = -1,
+       .num_resources  = ARRAY_SIZE(kirkwood_i2s_resources),
+       .resource       = kirkwood_i2s_resources,
+       .dev            = {
+               .platform_data  = &kirkwood_i2s_data,
+       },
+};
+
+void __init kirkwood_audio_init(void)
+{
+       kirkwood_clk_ctrl |= CGC_AUDIO;
+       platform_device_register(&kirkwood_i2s_device);
+}
 
 /*****************************************************************************
  * General
@@ -891,13 +935,22 @@ static char * __init kirkwood_id(void)
                        return "MV88F6192-Z0";
                else if (rev == MV88F6192_REV_A0)
                        return "MV88F6192-A0";
+               else if (rev == MV88F6192_REV_A1)
+                       return "MV88F6192-A1";
                else
                        return "MV88F6192-Rev-Unsupported";
        } else if (dev == MV88F6180_DEV_ID) {
                if (rev == MV88F6180_REV_A0)
                        return "MV88F6180-Rev-A0";
+               else if (rev == MV88F6180_REV_A1)
+                       return "MV88F6180-Rev-A1";
                else
                        return "MV88F6180-Rev-Unsupported";
+       } else if (dev == MV88F6282_DEV_ID) {
+               if (rev == MV88F6282_REV_A0)
+                       return "MV88F6282-Rev-A0";
+               else
+                       return "MV88F6282-Rev-Unsupported";
        } else {
                return "Device-Unknown";
        }
@@ -923,6 +976,7 @@ void __init kirkwood_init(void)
        kirkwood_spi_plat_data.tclk = kirkwood_tclk;
        kirkwood_uart0_data[0].uartclk = kirkwood_tclk;
        kirkwood_uart1_data[0].uartclk = kirkwood_tclk;
+       kirkwood_i2s_data.tclk = kirkwood_tclk;
 
        /*
         * Disable propagation of mbus errors to the CPU local bus,
@@ -949,12 +1003,14 @@ void __init kirkwood_init(void)
 static int __init kirkwood_clock_gate(void)
 {
        unsigned int curr = readl(CLOCK_GATING_CTRL);
+       u32 dev, rev;
 
+       kirkwood_pcie_id(&dev, &rev);
        printk(KERN_DEBUG "Gating clock of unused units\n");
        printk(KERN_DEBUG "before: 0x%08x\n", curr);
 
        /* Make sure those units are accessible */
-       writel(curr | CGC_SATA0 | CGC_SATA1 | CGC_PEX0, CLOCK_GATING_CTRL);
+       writel(curr | CGC_SATA0 | CGC_SATA1 | CGC_PEX0 | CGC_PEX1, CLOCK_GATING_CTRL);
 
        /* For SATA: first shutdown the phy */
        if (!(kirkwood_clk_ctrl & CGC_SATA0)) {
@@ -979,6 +1035,18 @@ static int __init kirkwood_clock_gate(void)
                writel(readl(PCIE_LINK_CTRL) & ~0x10, PCIE_LINK_CTRL);
        }
 
+       /* For PCIe 1: first shutdown the phy */
+       if (dev == MV88F6282_DEV_ID) {
+               if (!(kirkwood_clk_ctrl & CGC_PEX1)) {
+                       writel(readl(PCIE1_LINK_CTRL) | 0x10, PCIE1_LINK_CTRL);
+                       while (1)
+                               if (readl(PCIE1_STATUS) & 0x1)
+                                       break;
+                       writel(readl(PCIE1_LINK_CTRL) & ~0x10, PCIE1_LINK_CTRL);
+               }
+       } else  /* keep this bit set for devices that don't have PCIe1 */
+               kirkwood_clk_ctrl |= CGC_PEX1;
+
        /* Now gate clock the required units */
        writel(kirkwood_clk_ctrl, CLOCK_GATING_CTRL);
        printk(KERN_DEBUG " after: 0x%08x\n", readl(CLOCK_GATING_CTRL));