u32 componentid3; /* 0xffc */
};
+/* global kernel resource */
+static struct si_info ksii;
+
/* EROM parsing */
static u32
return R_REG(&ai->ioctrl);
}
+/* return true if PCIE capability exists in the pci config space */
+static bool ai_ispcie(struct si_info *sii)
+{
+ u8 cap_ptr;
+
+ cap_ptr =
+ pcicore_find_pci_capability(sii->pbus, PCI_CAP_ID_EXP, NULL,
+ NULL);
+ if (!cap_ptr)
+ return false;
+
+ return true;
+}
+
+static bool ai_buscore_prep(struct si_info *sii)
+{
+ /* kludge to enable the clock on the 4306 which lacks a slowclock */
+ if (!ai_ispcie(sii))
+ ai_clkctl_xtal(&sii->pub, XTAL | PLL, ON);
+ return true;
+}
+
u32 ai_core_sflags(struct si_pub *sih, u32 mask, u32 val)
{
struct si_info *sii;
return R_REG(&ai->iostatus);
}
-/* *************** from siutils.c ************** */
-/* local prototypes */
-static struct si_info *ai_doattach(struct si_info *sii, void *regs,
- struct pci_dev *sdh,
- char **vars, uint *varsz);
-static bool ai_buscore_prep(struct si_info *sii);
-static bool ai_buscore_setup(struct si_info *sii, u32 savewin, uint *origidx);
-static void ai_nvram_process(struct si_info *sii, char *pvars);
-
-/* dev path concatenation util */
-static char *ai_devpathvar(struct si_pub *sih, char *var, int len,
- const char *name);
-static bool _ai_clkctl_cc(struct si_info *sii, uint mode);
-static bool ai_ispcie(struct si_info *sii);
-
-/*
- * Allocate a si handle.
- * devid - pci device id (used to determine chip#)
- * osh - opaque OS handle
- * regs - virtual address of initial core registers
- * vars - pointer to a pointer area for "environment" variables
- * varsz - pointer to int to return the size of the vars
- */
-struct si_pub *
-ai_attach(void *regs, struct pci_dev *sdh, char **vars, uint *varsz)
-{
- struct si_info *sii;
-
- /* alloc struct si_info */
- sii = kmalloc(sizeof(struct si_info), GFP_ATOMIC);
- if (sii == NULL) {
- SI_ERROR(("si_attach: malloc failed!\n"));
- return NULL;
- }
-
- if (ai_doattach(sii, regs, sdh, vars, varsz) == NULL) {
- kfree(sii);
- return NULL;
- }
- sii->vars = vars ? *vars : NULL;
- sii->varsz = varsz ? *varsz : 0;
-
- return (struct si_pub *) sii;
-}
-
-/* global kernel resource */
-static struct si_info ksii;
-
-static bool ai_buscore_prep(struct si_info *sii)
-{
- /* kludge to enable the clock on the 4306 which lacks a slowclock */
- if (!ai_ispcie(sii))
- ai_clkctl_xtal(&sii->pub, XTAL | PLL, ON);
- return true;
-}
-
static bool
ai_buscore_setup(struct si_info *sii, u32 savewin, uint *origidx)
{
return NULL;
}
+/*
+ * Allocate a si handle.
+ * devid - pci device id (used to determine chip#)
+ * osh - opaque OS handle
+ * regs - virtual address of initial core registers
+ * vars - pointer to a pointer area for "environment" variables
+ * varsz - pointer to int to return the size of the vars
+ */
+struct si_pub *
+ai_attach(void *regs, struct pci_dev *sdh, char **vars, uint *varsz)
+{
+ struct si_info *sii;
+
+ /* alloc struct si_info */
+ sii = kmalloc(sizeof(struct si_info), GFP_ATOMIC);
+ if (sii == NULL)
+ return NULL;
+
+ if (ai_doattach(sii, regs, sdh, vars, varsz) == NULL) {
+ kfree(sii);
+ return NULL;
+ }
+ sii->vars = vars ? *vars : NULL;
+ sii->varsz = varsz ? *varsz : 0;
+
+ return (struct si_pub *) sii;
+}
+
/* may be called with core in reset */
void ai_detach(struct si_pub *sih)
{
return 0;
}
-/*
- * clock control policy function throught chipcommon
- *
- * set dynamic clk control mode (forceslow, forcefast, dynamic)
- * returns true if we are forcing fast clock
- * this is a wrapper over the next internal function
- * to allow flexible policy settings for outside caller
- */
-bool ai_clkctl_cc(struct si_pub *sih, uint mode)
-{
- struct si_info *sii;
-
- sii = SI_INFO(sih);
-
- /* chipcommon cores prior to rev6 don't support dynamic clock control */
- if (sih->ccrev < 6)
- return false;
-
- if (PCI_FORCEHT(sii))
- return mode == CLK_FAST;
-
- return _ai_clkctl_cc(sii, mode);
-}
-
/* clk control mechanism through chipcommon, no policy checking */
static bool _ai_clkctl_cc(struct si_info *sii, uint mode)
{
return mode == CLK_FAST;
}
+/*
+ * clock control policy function throught chipcommon
+ *
+ * set dynamic clk control mode (forceslow, forcefast, dynamic)
+ * returns true if we are forcing fast clock
+ * this is a wrapper over the next internal function
+ * to allow flexible policy settings for outside caller
+ */
+bool ai_clkctl_cc(struct si_pub *sih, uint mode)
+{
+ struct si_info *sii;
+
+ sii = SI_INFO(sih);
+
+ /* chipcommon cores prior to rev6 don't support dynamic clock control */
+ if (sih->ccrev < 6)
+ return false;
+
+ if (PCI_FORCEHT(sii))
+ return mode == CLK_FAST;
+
+ return _ai_clkctl_cc(sii, mode);
+}
+
/* Build device path */
int ai_devpath(struct si_pub *sih, char *path, int size)
{
return 0;
}
-/* Get a variable, but only if it has a devpath prefix */
-char *ai_getdevpathvar(struct si_pub *sih, const char *name)
-{
- char varname[SI_DEVPATH_BUFSZ + 32];
-
- ai_devpathvar(sih, varname, sizeof(varname), name);
-
- return getvar(NULL, varname);
-}
-
-/* Get a variable, but only if it has a devpath prefix */
-int ai_getdevpathintvar(struct si_pub *sih, const char *name)
-{
- char varname[SI_DEVPATH_BUFSZ + 32];
-
- ai_devpathvar(sih, varname, sizeof(varname), name);
-
- return getintvar(NULL, varname);
-}
-
-char *ai_getnvramflvar(struct si_pub *sih, const char *name)
-{
- return getvar(NULL, name);
-}
-
/* Concatenate the dev path with a varname into the given 'var' buffer
* and return the 'var' pointer. Nothing is done to the arguments if
* len == 0 or var is NULL, var is still returned. On overflow, the
return var;
}
-/* return true if PCIE capability exists in the pci config space */
-static bool ai_ispcie(struct si_info *sii)
+/* Get a variable, but only if it has a devpath prefix */
+char *ai_getdevpathvar(struct si_pub *sih, const char *name)
{
- u8 cap_ptr;
+ char varname[SI_DEVPATH_BUFSZ + 32];
- cap_ptr =
- pcicore_find_pci_capability(sii->pbus, PCI_CAP_ID_EXP, NULL,
- NULL);
- if (!cap_ptr)
- return false;
+ ai_devpathvar(sih, varname, sizeof(varname), name);
- return true;
+ return getvar(NULL, varname);
+}
+
+/* Get a variable, but only if it has a devpath prefix */
+int ai_getdevpathintvar(struct si_pub *sih, const char *name)
+{
+ char varname[SI_DEVPATH_BUFSZ + 32];
+
+ ai_devpathvar(sih, varname, sizeof(varname), name);
+
+ return getintvar(NULL, varname);
+}
+
+char *ai_getnvramflvar(struct si_pub *sih, const char *name)
+{
+ return getvar(NULL, name);
}
bool ai_pci_war16165(struct si_pub *sih)
projects / mv-sheeva.git / commitdiff