diff options
Diffstat (limited to 'arch/arm/mach-kirkwood/common.c')
| -rw-r--r-- | arch/arm/mach-kirkwood/common.c | 76 |
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)); |