diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-01-31 13:37:27 +1100 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-01-31 13:37:27 +1100 |
commit | 8af03e782cae1e0a0f530ddd22301cdd12cf9dc0 (patch) | |
tree | c4af13a38bd3cc1a811a37f2358491f171052070 /arch/powerpc/platforms/83xx/usb.c | |
parent | 6232665040f9a23fafd9d94d4ae8d5a2dc850f65 (diff) | |
parent | 99e139126ab2e84be67969650f92eb37c12ab5cd (diff) |
Merge branch 'for-2.6.25' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'for-2.6.25' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (454 commits)
[POWERPC] Cell IOMMU fixed mapping support
[POWERPC] Split out the ioid fetching/checking logic
[POWERPC] Add support to cell_iommu_setup_page_tables() for multiple windows
[POWERPC] Split out the IOMMU logic from cell_dma_dev_setup()
[POWERPC] Split cell_iommu_setup_hardware() into two parts
[POWERPC] Split out the logic that allocates struct iommus
[POWERPC] Allocate the hash table under 1G on cell
[POWERPC] Add set_dma_ops() to match get_dma_ops()
[POWERPC] 83xx: Clean up / convert mpc83xx board DTS files to v1 format.
[POWERPC] 85xx: Only invalidate TLB0 and TLB1
[POWERPC] 83xx: Fix typo in mpc837x compatible entries
[POWERPC] 85xx: convert sbc85* boards to use machine_device_initcall
[POWERPC] 83xx: rework platform Kconfig
[POWERPC] 85xx: rework platform Kconfig
[POWERPC] 86xx: Remove unused IRQ defines
[POWERPC] QE: Explicitly set address-cells and size cells for muram
[POWERPC] Convert StorCenter DTS file to /dts-v1/ format.
[POWERPC] 86xx: Convert all 86xx DTS files to /dts-v1/ format.
[PPC] Remove 85xx from arch/ppc
[PPC] Remove 83xx from arch/ppc
...
Diffstat (limited to 'arch/powerpc/platforms/83xx/usb.c')
-rw-r--r-- | arch/powerpc/platforms/83xx/usb.c | 50 |
1 files changed, 45 insertions, 5 deletions
diff --git a/arch/powerpc/platforms/83xx/usb.c b/arch/powerpc/platforms/83xx/usb.c index b45160f8d08..681230a30ac 100644 --- a/arch/powerpc/platforms/83xx/usb.c +++ b/arch/powerpc/platforms/83xx/usb.c @@ -22,7 +22,7 @@ #include "mpc83xx.h" -#ifdef CONFIG_MPC834x +#ifdef CONFIG_PPC_MPC834x int mpc834x_usb_cfg(void) { unsigned long sccr, sicrl, sicrh; @@ -41,7 +41,7 @@ int mpc834x_usb_cfg(void) sicrl = in_be32(immap + MPC83XX_SICRL_OFFS) & ~MPC834X_SICRL_USB_MASK; sicrh = in_be32(immap + MPC83XX_SICRH_OFFS) & ~MPC834X_SICRH_USB_UTMI; - np = of_find_compatible_node(NULL, "usb", "fsl-usb2-dr"); + np = of_find_compatible_node(NULL, NULL, "fsl-usb2-dr"); if (np) { sccr |= MPC83XX_SCCR_USB_DRCM_11; /* 1:3 */ @@ -67,7 +67,7 @@ int mpc834x_usb_cfg(void) port0_is_dr = 1; of_node_put(np); } - np = of_find_compatible_node(NULL, "usb", "fsl-usb2-mph"); + np = of_find_compatible_node(NULL, NULL, "fsl-usb2-mph"); if (np) { sccr |= MPC83XX_SCCR_USB_MPHCM_11; /* 1:3 */ @@ -96,7 +96,7 @@ int mpc834x_usb_cfg(void) iounmap(immap); return 0; } -#endif /* CONFIG_MPC834x */ +#endif /* CONFIG_PPC_MPC834x */ #ifdef CONFIG_PPC_MPC831x int mpc831x_usb_cfg(void) @@ -111,7 +111,7 @@ int mpc831x_usb_cfg(void) const void *dr_mode; #endif - np = of_find_compatible_node(NULL, "usb", "fsl-usb2-dr"); + np = of_find_compatible_node(NULL, NULL, "fsl-usb2-dr"); if (!np) return -ENODEV; prop = of_get_property(np, "phy_type", NULL); @@ -179,3 +179,43 @@ int mpc831x_usb_cfg(void) return ret; } #endif /* CONFIG_PPC_MPC831x */ + +#ifdef CONFIG_PPC_MPC837x +int mpc837x_usb_cfg(void) +{ + void __iomem *immap; + struct device_node *np = NULL; + const void *prop; + int ret = 0; + + np = of_find_compatible_node(NULL, NULL, "fsl-usb2-dr"); + if (!np) + return -ENODEV; + prop = of_get_property(np, "phy_type", NULL); + + if (!prop || (strcmp(prop, "ulpi") && strcmp(prop, "serial"))) { + printk(KERN_WARNING "837x USB PHY type not supported\n"); + of_node_put(np); + return -EINVAL; + } + + /* Map IMMR space for pin and clock settings */ + immap = ioremap(get_immrbase(), 0x1000); + if (!immap) { + of_node_put(np); + return -ENOMEM; + } + + /* Configure clock */ + clrsetbits_be32(immap + MPC83XX_SCCR_OFFS, MPC837X_SCCR_USB_DRCM_11, + MPC837X_SCCR_USB_DRCM_11); + + /* Configure pin mux for ULPI/serial */ + clrsetbits_be32(immap + MPC83XX_SICRL_OFFS, MPC837X_SICRL_USB_MASK, + MPC837X_SICRL_USB_ULPI); + + iounmap(immap); + of_node_put(np); + return ret; +} +#endif /* CONFIG_PPC_MPC837x */ |