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authorLinus Torvalds <torvalds@linux-foundation.org>2008-01-31 13:37:27 +1100
committerLinus Torvalds <torvalds@linux-foundation.org>2008-01-31 13:37:27 +1100
commit8af03e782cae1e0a0f530ddd22301cdd12cf9dc0 (patch)
treec4af13a38bd3cc1a811a37f2358491f171052070 /arch/powerpc/platforms/83xx/usb.c
parent6232665040f9a23fafd9d94d4ae8d5a2dc850f65 (diff)
parent99e139126ab2e84be67969650f92eb37c12ab5cd (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.c50
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 */