]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - arch/powerpc/cpu/mpc8xxx/fdt.c
Merge branch 'master' of git://git.denx.de/u-boot-mpc83xx
[karo-tx-uboot.git] / arch / powerpc / cpu / mpc8xxx / fdt.c
index 738394f19c207f8268617685723ff19834fc6fe9..d07ae1b4fe278d4a850d95c5bdbdda7bc83e1804 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright 2009-2010 Freescale Semiconductor, Inc.
+ * Copyright 2009-2011 Freescale Semiconductor, Inc.
  *
  * This file is derived from arch/powerpc/cpu/mpc85xx/cpu.c and
  * arch/powerpc/cpu/mpc86xx/cpu.c. Basically this file contains
 #include <common.h>
 #include <libfdt.h>
 #include <fdt_support.h>
+#include <asm/mp.h>
+#include <asm/fsl_serdes.h>
+#include <phy.h>
+#include <hwconfig.h>
+
+#define FSL_MAX_NUM_USB_CTRLS  2
+
+#if defined(CONFIG_MP) && (defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx))
+static int ft_del_cpuhandle(void *blob, int cpuhandle)
+{
+       int off, ret = -FDT_ERR_NOTFOUND;
+
+       /* if we find a match, we'll delete at it which point the offsets are
+        * invalid so we start over from the beginning
+        */
+       off = fdt_node_offset_by_prop_value(blob, -1, "cpu-handle",
+                                               &cpuhandle, 4);
+       while (off != -FDT_ERR_NOTFOUND) {
+               fdt_delprop(blob, off, "cpu-handle");
+               ret = 1;
+               off = fdt_node_offset_by_prop_value(blob, -1, "cpu-handle",
+                               &cpuhandle, 4);
+       }
+
+       return ret;
+}
 
-#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
 void ft_fixup_num_cores(void *blob) {
        int off, num_cores, del_cores;
 
@@ -38,13 +63,18 @@ void ft_fixup_num_cores(void *blob) {
        while (off != -FDT_ERR_NOTFOUND) {
                u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
 
-               /* if we find a cpu node outside of what we expect delete it
-                * and reset the offset back to the start since we can't
-                * trust the offsets anymore
-                */
-               if (*reg > num_cores-1) {
-                       fdt_del_node(blob, off);
-                       del_cores++;
+               if (!is_core_valid(*reg) || is_core_disabled(*reg)) {
+                       int ph = fdt_get_phandle(blob, off);
+
+                       /* Delete the cpu node once there are no cpu handles */
+                       if (-FDT_ERR_NOTFOUND == ft_del_cpuhandle(blob, ph)) {
+                               fdt_del_node(blob, off);
+                               del_cores++;
+                       }
+                       /* either we deleted some cpu handles or the cpu node
+                        * so we reset the offset back to the start since we
+                        * can't trust the offsets anymore
+                        */
                        off = -1;
                }
                off = fdt_node_offset_by_prop_value(blob, off,
@@ -57,26 +87,21 @@ void ft_fixup_num_cores(void *blob) {
 #endif /* defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) */
 
 #ifdef CONFIG_HAS_FSL_DR_USB
-void fdt_fixup_dr_usb(void *blob, bd_t *bd)
+static int fdt_fixup_usb_mode_phy_type(void *blob, const char *mode,
+                               const char *phy_type, int start_offset)
 {
-       char *mode;
-       char *type;
        const char *compat = "fsl-usb2-dr";
        const char *prop_mode = "dr_mode";
        const char *prop_type = "phy_type";
        int node_offset;
        int err;
 
-       mode = getenv("usb_dr_mode");
-       type = getenv("usb_phy_type");
-       if (!mode && !type)
-               return;
-
-       node_offset = fdt_node_offset_by_compatible(blob, 0, compat);
+       node_offset = fdt_node_offset_by_compatible(blob,
+                       start_offset, compat);
        if (node_offset < 0) {
                printf("WARNING: could not find compatible node %s: %s.\n",
                        compat, fdt_strerror(node_offset));
-               return;
+               return -1;
        }
 
        if (mode) {
@@ -87,13 +112,67 @@ void fdt_fixup_dr_usb(void *blob, bd_t *bd)
                               prop_mode, compat, fdt_strerror(err));
        }
 
-       if (type) {
-               err = fdt_setprop(blob, node_offset, prop_type, type,
-                                 strlen(type) + 1);
+       if (phy_type) {
+               err = fdt_setprop(blob, node_offset, prop_type, phy_type,
+                                 strlen(phy_type) + 1);
                if (err < 0)
                        printf("WARNING: could not set %s for %s: %s.\n",
                               prop_type, compat, fdt_strerror(err));
        }
+
+       return node_offset;
+}
+
+void fdt_fixup_dr_usb(void *blob, bd_t *bd)
+{
+       const char *modes[] = { "host", "peripheral", "otg" };
+       const char *phys[] = { "ulpi", "utmi" };
+       const char *mode = NULL;
+       const char *phy_type = NULL;
+       char usb1_defined = 0;
+       int usb_mode_off = -1;
+       int usb_phy_off = -1;
+       char str[5];
+       int i, j;
+
+       for (i = 1; i <= FSL_MAX_NUM_USB_CTRLS; i++) {
+               int mode_idx = -1, phy_idx = -1;
+               sprintf(str, "%s%d", "usb", i);
+               if (hwconfig(str)) {
+                       for (j = 0; j < sizeof(modes); j++) {
+                               if (hwconfig_subarg_cmp(str, "dr_mode",
+                                               modes[j])) {
+                                       mode_idx = j;
+                                       break;
+                               }
+                       }
+                       for (j = 0; j < sizeof(phys); j++) {
+                               if (hwconfig_subarg_cmp(str, "phy_type",
+                                               phys[j])) {
+                                       phy_idx = j;
+                                       break;
+                               }
+                       }
+                       if (mode_idx >= 0)
+                               usb_mode_off = fdt_fixup_usb_mode_phy_type(blob,
+                                       modes[mode_idx], NULL, usb_mode_off);
+                       if (phy_idx >= 0)
+                               usb_phy_off = fdt_fixup_usb_mode_phy_type(blob,
+                                       NULL, phys[phy_idx], usb_phy_off);
+                       if (!strcmp(str, "usb1"))
+                               usb1_defined = 1;
+                       if (mode_idx < 0 && phy_idx < 0)
+                               printf("WARNING: invalid phy or mode\n");
+               }
+       }
+       if (!usb1_defined) {
+               int usb_off = -1;
+               mode = getenv("usb_dr_mode");
+               phy_type = getenv("usb_phy_type");
+               if (!mode && !phy_type)
+                       return;
+               fdt_fixup_usb_mode_phy_type(blob, mode, phy_type, usb_off);
+       }
 }
 #endif /* CONFIG_HAS_FSL_DR_USB */
 
@@ -190,3 +269,81 @@ void fdt_fixup_crypto_node(void *blob, int sec_rev)
                fdt_del_node_and_alias(blob, "crypto");
 }
 #endif
+
+int fdt_fixup_phy_connection(void *blob, int offset, phy_interface_t phyc)
+{
+       return fdt_setprop_string(blob, offset, "phy-connection-type",
+                                        phy_string_for_interface(phyc));
+}
+
+#ifdef CONFIG_SYS_SRIO
+static inline void ft_disable_srio_port(void *blob, int srio_off, int port)
+{
+       int off = fdt_node_offset_by_prop_value(blob, srio_off,
+                       "cell-index", &port, 4);
+       if (off >= 0) {
+               off = fdt_setprop_string(blob, off, "status", "disabled");
+               if (off > 0)
+                       printf("WARNING unable to set status for fsl,srio "
+                               "port %d: %s\n", port, fdt_strerror(off));
+       }
+}
+
+static inline void ft_disable_rman(void *blob)
+{
+       int off = fdt_node_offset_by_compatible(blob, -1, "fsl,rman");
+       if (off >= 0) {
+               off = fdt_setprop_string(blob, off, "status", "disabled");
+               if (off > 0)
+                       printf("WARNING unable to set status for fsl,rman %s\n",
+                               fdt_strerror(off));
+       }
+}
+
+static inline void ft_disable_rmu(void *blob)
+{
+       int off = fdt_node_offset_by_compatible(blob, -1, "fsl,srio-rmu");
+       if (off >= 0) {
+               off = fdt_setprop_string(blob, off, "status", "disabled");
+               if (off > 0)
+                       printf("WARNING unable to set status for "
+                               "fsl,srio-rmu %s\n", fdt_strerror(off));
+       }
+}
+
+void ft_srio_setup(void *blob)
+{
+       int srio1_used = 0, srio2_used = 0;
+       int srio_off;
+
+       /* search for srio node, if doesn't exist just return - nothing todo */
+       srio_off = fdt_node_offset_by_compatible(blob, -1, "fsl,srio");
+       if (srio_off < 0)
+               return ;
+
+#ifdef CONFIG_SRIO1
+       if (is_serdes_configured(SRIO1))
+               srio1_used = 1;
+#endif
+#ifdef CONFIG_SRIO2
+       if (is_serdes_configured(SRIO2))
+               srio2_used = 1;
+#endif
+
+       /* mark port1 disabled */
+       if (!srio1_used)
+               ft_disable_srio_port(blob, srio_off, 1);
+
+       /* mark port2 disabled */
+       if (!srio2_used)
+               ft_disable_srio_port(blob, srio_off, 2);
+
+       /* if both ports not used, disable controller, rmu and rman */
+       if (!srio1_used && !srio2_used) {
+               fdt_setprop_string(blob, srio_off, "status", "disabled");
+
+               ft_disable_rman(blob);
+               ft_disable_rmu(blob);
+       }
+}
+#endif