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-rw-r--r--arch/arm/mach-kirkwood/common.c76
1 files changed, 72 insertions, 4 deletions
diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c
index 6072eaa5e66a..1c82d4290dad 100644
--- 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>
@@ -44,6 +45,11 @@ static struct map_desc kirkwood_io_desc[] __initdata = {
.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),
.length = KIRKWOOD_REGS_SIZE,
@@ -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));