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author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-08-16 19:42:58 +0200 |
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committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-08-16 19:42:58 +0200 |
commit | e4862f2f6f5653dfb67f3ba2b6f0bc74516ed51a (patch) | |
tree | 1db5a0540a4eecfad9b7daee476b985e82ddc810 /arch/arm/mach-kirkwood/common.c | |
parent | Merge branch 'for-2.6.36' of git://git.kernel.org/pub/scm/linux/kernel/git/br... (diff) | |
parent | ASoC: Remove DSP mode support for WM8776 (diff) | |
download | linux-e4862f2f6f5653dfb67f3ba2b6f0bc74516ed51a.tar.xz linux-e4862f2f6f5653dfb67f3ba2b6f0bc74516ed51a.zip |
Merge branch 'for-2.6.36' into for-2.6.37
Fairly simple conflicts, the most serious ones are the i.MX ones which I
suspect now need another rename.
Conflicts:
arch/arm/mach-mx2/clock_imx27.c
arch/arm/mach-mx2/devices.c
arch/arm/mach-omap2/board-rx51-peripherals.c
arch/arm/mach-omap2/board-zoom2.c
sound/soc/fsl/mpc5200_dma.c
sound/soc/fsl/mpc5200_dma.h
sound/soc/fsl/mpc8610_hpcd.c
sound/soc/pxa/spitz.c
Diffstat (limited to 'arch/arm/mach-kirkwood/common.c')
-rw-r--r-- | arch/arm/mach-kirkwood/common.c | 38 |
1 files changed, 34 insertions, 4 deletions
diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c index 07690132cdbf..0f6ee32678ef 100644 --- a/arch/arm/mach-kirkwood/common.c +++ b/arch/arm/mach-kirkwood/common.c @@ -45,6 +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, @@ -403,7 +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; @@ -848,8 +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; @@ -934,13 +941,22 @@ 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"; } @@ -993,12 +1009,14 @@ 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)) { @@ -1023,6 +1041,18 @@ 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)); |