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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-03 14:31:24 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-03 14:31:24 -0700 |
commit | be82ae0238b0453afcf4a76f0512b7dde34ba500 (patch) | |
tree | aaa3f5f11fd51fd73365ee1a2164aad9a03de060 /arch/arm/mach-kirkwood/common.c | |
parent | 4b4fd27c0b5ec638a1f06ced9226fd95229dbbf0 (diff) | |
parent | 7b70c4275f28702b76b273c8534c38f8313812e9 (diff) | |
download | linux-be82ae0238b0453afcf4a76f0512b7dde34ba500.tar.gz linux-be82ae0238b0453afcf4a76f0512b7dde34ba500.tar.bz2 linux-be82ae0238b0453afcf4a76f0512b7dde34ba500.zip |
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (291 commits)
ARM: AMBA: Add pclk support to AMBA bus infrastructure
ARM: 6278/2: fix regression in RealView after the introduction of pclk
ARM: 6277/1: mach-shmobile: Allow users to select HZ, default to 128
ARM: 6276/1: mach-shmobile: remove duplicate NR_IRQS_LEGACY
ARM: 6246/1: mmci: support larger MMCIDATALENGTH register
ARM: 6245/1: mmci: enable hardware flow control on Ux500 variants
ARM: 6244/1: mmci: add variant data and default MCICLOCK support
ARM: 6243/1: mmci: pass power_mode to the translate_vdd callback
ARM: 6274/1: add global control registers definition header file for nuc900
mx2_camera: fix type of dma buffer virtual address pointer
mx2_camera: Add soc_camera support for i.MX25/i.MX27
arm/imx/gpio: add spinlock protection
ARM: Add support for the LPC32XX arch
ARM: LPC32XX: Arch config menu supoport and makefiles
ARM: LPC32XX: Phytec 3250 platform support
ARM: LPC32XX: Misc support functions
ARM: LPC32XX: Serial support code
ARM: LPC32XX: System suspend support
ARM: LPC32XX: GPIO, timer, and IRQ drivers
ARM: LPC32XX: Clock driver
...
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 6072eaa5e66a..9dd67c7b4459 100644 --- a/arch/arm/mach-kirkwood/common.c +++ b/arch/arm/mach-kirkwood/common.c @@ -44,6 +44,11 @@ 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 +407,7 @@ 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 +852,10 @@ 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; @@ -891,13 +898,22 @@ 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"; } @@ -949,12 +965,14 @@ 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 +997,18 @@ 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)); |