diff options
Diffstat (limited to 'target/linux/brcm47xx/patches-2.6.23')
| -rw-r--r-- | target/linux/brcm47xx/patches-2.6.23/622-ssb-cardbus-fixes.patch | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-2.6.23/622-ssb-cardbus-fixes.patch b/target/linux/brcm47xx/patches-2.6.23/622-ssb-cardbus-fixes.patch new file mode 100644 index 0000000000..1d2779ed74 --- /dev/null +++ b/target/linux/brcm47xx/patches-2.6.23/622-ssb-cardbus-fixes.patch @@ -0,0 +1,116 @@ +Index: linux-2.6.23.16/drivers/ssb/driver_pcicore.c +=================================================================== +--- linux-2.6.23.16.orig/drivers/ssb/driver_pcicore.c 2008-02-19 16:37:14.000000000 +0100 ++++ linux-2.6.23.16/drivers/ssb/driver_pcicore.c 2008-02-19 17:25:26.000000000 +0100 +@@ -11,6 +11,7 @@ + #include <linux/ssb/ssb.h> + #include <linux/pci.h> + #include <linux/delay.h> ++#include <linux/ssb/ssb_embedded.h> + + #include "ssb_private.h" + +@@ -27,6 +28,18 @@ void pcicore_write32(struct ssb_pcicore + ssb_write32(pc->dev, offset, value); + } + ++static inline ++u16 pcicore_read16(struct ssb_pcicore *pc, u16 offset) ++{ ++ return ssb_read16(pc->dev, offset); ++} ++ ++static inline ++void pcicore_write16(struct ssb_pcicore *pc, u16 offset, u16 value) ++{ ++ ssb_write16(pc->dev, offset, value); ++} ++ + /************************************************** + * Code for hostmode operation. + **************************************************/ +@@ -123,8 +136,10 @@ static u32 get_cfgspace_addr(struct ssb_ + u32 addr = 0; + u32 tmp; + +- if (unlikely(pc->cardbusmode && dev > 1)) ++ /* We do only have one cardbus device behind the bridge. */ ++ if (pc->cardbusmode && (dev >= 1)) + goto out; ++ + if (bus == 0) { + /* Type 0 transaction */ + if (unlikely(dev >= SSB_PCI_SLOT_MAX)) +@@ -324,7 +339,16 @@ static void ssb_pcicore_init_hostmode(st + pcicore_write32(pc, SSB_PCICORE_ARBCTL, val); + udelay(1); /* Assertion time demanded by the PCI standard */ + +- /*TODO cardbus mode */ ++ if (pc->dev->bus->has_cardbus_slot) { ++ ssb_dprintk(KERN_INFO PFX "CardBus slot detected\n"); ++ pc->cardbusmode = 1; ++ /* GPIO 1 resets the bridge */ ++ ssb_gpio_out(pc->dev->bus, 1, 1); ++ ssb_gpio_outen(pc->dev->bus, 1, 1); ++ pcicore_write16(pc, SSB_PCICORE_SPROM(0), ++ pcicore_read16(pc, SSB_PCICORE_SPROM(0)) ++ | 0x0400); ++ } + + /* 64MB I/O window */ + pcicore_write32(pc, SSB_PCICORE_SBTOPCI0, +Index: linux-2.6.23.16/drivers/ssb/main.c +=================================================================== +--- linux-2.6.23.16.orig/drivers/ssb/main.c 2008-02-19 15:50:44.000000000 +0100 ++++ linux-2.6.23.16/drivers/ssb/main.c 2008-02-19 16:38:31.000000000 +0100 +@@ -559,6 +559,7 @@ static int ssb_fetch_invariants(struct s + goto out; + memcpy(&bus->boardinfo, &iv.boardinfo, sizeof(iv.boardinfo)); + memcpy(&bus->sprom, &iv.sprom, sizeof(iv.sprom)); ++ bus->has_cardbus_slot = iv.has_cardbus_slot; + out: + return err; + } +Index: linux-2.6.23.16/include/linux/ssb/ssb.h +=================================================================== +--- linux-2.6.23.16.orig/include/linux/ssb/ssb.h 2008-02-19 15:50:44.000000000 +0100 ++++ linux-2.6.23.16/include/linux/ssb/ssb.h 2008-02-19 16:38:31.000000000 +0100 +@@ -282,6 +282,8 @@ struct ssb_bus { + struct ssb_boardinfo boardinfo; + /* Contents of the SPROM. */ + struct ssb_sprom sprom; ++ /* If the board has a cardbus slot, this is set to true. */ ++ bool has_cardbus_slot; + + #ifdef CONFIG_SSB_EMBEDDED + /* Lock for GPIO register access. */ +@@ -299,8 +301,13 @@ struct ssb_bus { + + /* The initialization-invariants. */ + struct ssb_init_invariants { ++ /* Versioning information about the PCB. */ + struct ssb_boardinfo boardinfo; ++ /* The SPROM information. That's either stored in an ++ * EEPROM or NVRAM on the board. */ + struct ssb_sprom sprom; ++ /* If the board has a cardbus slot, this is set to true. */ ++ bool has_cardbus_slot; + }; + /* Type of function to fetch the invariants. */ + typedef int (*ssb_invariants_func_t)(struct ssb_bus *bus, +Index: linux-2.6.23.16/include/linux/ssb/ssb_driver_pci.h +=================================================================== +--- linux-2.6.23.16.orig/include/linux/ssb/ssb_driver_pci.h 2008-02-13 20:27:17.000000000 +0100 ++++ linux-2.6.23.16/include/linux/ssb/ssb_driver_pci.h 2008-02-19 17:31:47.000000000 +0100 +@@ -51,6 +51,11 @@ + #define SSB_PCICORE_SBTOPCI1_MASK 0xFC000000 + #define SSB_PCICORE_SBTOPCI2 0x0108 /* Backplane to PCI translation 2 (sbtopci2) */ + #define SSB_PCICORE_SBTOPCI2_MASK 0xC0000000 ++#define SSB_PCICORE_PCICFG0 0x0400 /* PCI config space 0 (rev >= 8) */ ++#define SSB_PCICORE_PCICFG1 0x0500 /* PCI config space 1 (rev >= 8) */ ++#define SSB_PCICORE_PCICFG2 0x0600 /* PCI config space 2 (rev >= 8) */ ++#define SSB_PCICORE_PCICFG3 0x0700 /* PCI config space 3 (rev >= 8) */ ++#define SSB_PCICORE_SPROM(wordoffset) (0x0800 + ((wordoffset) * 2)) /* SPROM shadow area (72 bytes) */ + + /* SBtoPCIx */ + #define SSB_PCICORE_SBTOPCI_MEM 0x00000000 |