]> git.sur5r.net Git - u-boot/blobdiff - arch/powerpc/cpu/mpc8xxx/fdt.c
powerpc/mpc8xxx: Update DDR registers
[u-boot] / arch / powerpc / cpu / mpc8xxx / fdt.c
index 5bb9f53542299f85cc585a9b482639910014810d..68db8e2448a4c6bfb7a581607ae15d486175a570 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright 2009-2011 Freescale Semiconductor, Inc.
+ * Copyright 2009-2012 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
@@ -62,8 +62,9 @@ void ft_fixup_num_cores(void *blob) {
        off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
        while (off != -FDT_ERR_NOTFOUND) {
                u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
+               u32 phys_cpu_id = thread_to_core(*reg);
 
-               if (!is_core_valid(*reg) || is_core_disabled(*reg)) {
+               if (!is_core_valid(phys_cpu_id) || is_core_disabled(phys_cpu_id)) {
                        int ph = fdt_get_phandle(blob, off);
 
                        /* Delete the cpu node once there are no cpu handles */
@@ -86,31 +87,39 @@ void ft_fixup_num_cores(void *blob) {
 }
 #endif /* defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) */
 
-#ifdef CONFIG_HAS_FSL_DR_USB
-static void fdt_fixup_usb_mode_phy_type(void *blob, const char *mode,
-                               const char *phy_type)
+#if defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB)
+static int fdt_fixup_usb_mode_phy_type(void *blob, const char *mode,
+                               const char *phy_type, int start_offset)
 {
-       const char *compat = "fsl-usb2-dr";
+       const char *compat_dr = "fsl-usb2-dr";
+       const char *compat_mph = "fsl-usb2-mph";
        const char *prop_mode = "dr_mode";
        const char *prop_type = "phy_type";
-       static int start_offset = -1;
+       const char *node_type = NULL;
        int node_offset;
        int err;
 
        node_offset = fdt_node_offset_by_compatible(blob,
-                       start_offset, compat);
+                       start_offset, compat_mph);
        if (node_offset < 0) {
-               printf("WARNING: could not find compatible node %s: %s.\n",
-                       compat, fdt_strerror(node_offset));
-               return;
-       }
+               node_offset = fdt_node_offset_by_compatible(blob,
+                       start_offset, compat_dr);
+               if (node_offset < 0) {
+                       printf("WARNING: could not find compatible"
+                               " node %s or %s: %s.\n", compat_mph,
+                               compat_dr, fdt_strerror(node_offset));
+                       return -1;
+               } else
+                       node_type = compat_dr;
+       } else
+               node_type = compat_mph;
 
        if (mode) {
                err = fdt_setprop(blob, node_offset, prop_mode, mode,
                                  strlen(mode) + 1);
                if (err < 0)
                        printf("WARNING: could not set %s for %s: %s.\n",
-                              prop_mode, compat, fdt_strerror(err));
+                              prop_mode, node_type, fdt_strerror(err));
        }
 
        if (phy_type) {
@@ -118,61 +127,88 @@ static void fdt_fixup_usb_mode_phy_type(void *blob, const char *mode,
                                  strlen(phy_type) + 1);
                if (err < 0)
                        printf("WARNING: could not set %s for %s: %s.\n",
-                              prop_type, compat, fdt_strerror(err));
+                              prop_type, node_type, fdt_strerror(err));
        }
 
-       start_offset = node_offset;
+       return node_offset;
 }
 
 void fdt_fixup_dr_usb(void *blob, bd_t *bd)
 {
        const char *modes[] = { "host", "peripheral", "otg" };
-       const char *phys[] = { "ulpi", "umti" };
+       const char *phys[] = { "ulpi", "utmi" };
        const char *mode = NULL;
        const char *phy_type = NULL;
+       const char *dr_mode_type = NULL;
+       const char *dr_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);
+               snprintf(str, 5, "%s%d", "usb", i);
                if (hwconfig(str)) {
-                       for (j = 0; j < sizeof(modes); j++) {
+                       for (j = 0; j < ARRAY_SIZE(modes); j++) {
                                if (hwconfig_subarg_cmp(str, "dr_mode",
                                                modes[j])) {
                                        mode_idx = j;
                                        break;
                                }
                        }
-                       for (j = 0; j < sizeof(phys); j++) {
+
+                       for (j = 0; j < ARRAY_SIZE(phys); j++) {
                                if (hwconfig_subarg_cmp(str, "phy_type",
                                                phys[j])) {
                                        phy_idx = j;
                                        break;
                                }
                        }
-                       if (mode_idx >= 0)
-                               fdt_fixup_usb_mode_phy_type(blob,
-                                       modes[mode_idx], NULL);
-                       if (phy_idx >= 0)
-                               fdt_fixup_usb_mode_phy_type(blob,
-                                       NULL, phys[phy_idx]);
+
+                       dr_mode_type = modes[mode_idx];
+                       dr_phy_type = phys[phy_idx];
+
+                       /* use usb_dr_mode and usb_phy_type if
+                          usb1_defined = 0; these variables are to
+                          be deprecated */
                        if (!strcmp(str, "usb1"))
                                usb1_defined = 1;
-                       if (mode_idx < 0 && phy_idx < 0)
+
+                       if (mode_idx < 0 && phy_idx < 0) {
                                printf("WARNING: invalid phy or mode\n");
+                               return;
+                       }
                }
+
+               usb_mode_off = fdt_fixup_usb_mode_phy_type(blob,
+                       dr_mode_type, NULL, usb_mode_off);
+
+               if (usb_mode_off < 0)
+                       return;
+
+               usb_phy_off = fdt_fixup_usb_mode_phy_type(blob,
+                       NULL, dr_phy_type, usb_phy_off);
+
+               if (usb_phy_off < 0)
+                       return;
        }
+
        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);
+               if (mode || phy_type) {
+                       printf("WARNING: usb_dr_mode and usb_phy_type "
+                               "are to be deprecated soon. Use "
+                               "hwconfig to set these values instead!!\n");
+                       fdt_fixup_usb_mode_phy_type(blob, mode,
+                               phy_type, usb_off);
+               }
        }
 }
-#endif /* CONFIG_HAS_FSL_DR_USB */
+#endif /* defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB) */
 
 /*
  * update crypto node properties to a specified revision of the SEC
@@ -275,21 +311,73 @@ int fdt_fixup_phy_connection(void *blob, int offset, phy_interface_t 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)) {
-               fdt_del_node_and_alias(blob, "rio0");
-       }
-#else
-       fdt_del_node_and_alias(blob, "rio0");
+       if (is_serdes_configured(SRIO1))
+               srio1_used = 1;
 #endif
 #ifdef CONFIG_SRIO2
-       if (!is_serdes_configured(SRIO2)) {
-               fdt_del_node_and_alias(blob, "rio1");
-       }
-#else
-       fdt_del_node_and_alias(blob, "rio1");
+       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