]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - arch/powerpc/cpu/mpc8xxx/fdt.c
Merge branch 'u-boot-imx/master' into 'u-boot-arm/master'
[karo-tx-uboot.git] / arch / powerpc / cpu / mpc8xxx / fdt.c
index 79d3cdfa64217909e1b424d7df9056fd13fb9f07..2db90455f60acab33bb4484ba7b8e431303281e2 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright 2009-2010 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
 #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;
 
@@ -37,14 +62,20 @@ 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(phys_cpu_id) || is_core_disabled(phys_cpu_id)) {
+                       int ph = fdt_get_phandle(blob, off);
 
-               /* 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++;
+                       /* 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,
@@ -56,55 +87,142 @@ 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)
+#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)
 {
-       char *mode;
-       char *type;
-       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";
+       const char *node_type = NULL;
        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_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 (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));
+                              prop_type, node_type, fdt_strerror(err));
        }
+
+       return node_offset;
 }
-#endif /* CONFIG_HAS_FSL_DR_USB */
 
-#if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx)
+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;
+       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;
+               snprintf(str, 5, "%s%d", "usb", i);
+               if (hwconfig(str)) {
+                       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 < ARRAY_SIZE(phys); j++) {
+                               if (hwconfig_subarg_cmp(str, "phy_type",
+                                               phys[j])) {
+                                       phy_idx = j;
+                                       break;
+                               }
+                       }
+
+                       if (mode_idx < 0 || phy_idx < 0) {
+                               puts("ERROR: wrong usb mode/phy defined!!\n");
+                               return;
+                       }
+
+                       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) {
+                               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) {
+                       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 /* defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB) */
+
 /*
  * update crypto node properties to a specified revision of the SEC
- * called with sec_rev == 0 if not on an mpc8xxxE processor
+ * called with sec_rev == 0 if not on an E processor
  */
+#if CONFIG_SYS_FSL_SEC_COMPAT == 2 /* SEC 2.x/3.x */
 void fdt_fixup_crypto_node(void *blob, int sec_rev)
 {
-       const struct sec_rev_prop {
+       static const struct sec_rev_prop {
                u32 sec_rev;
                u32 num_channels;
                u32 channel_fifo_len;
@@ -119,8 +237,8 @@ void fdt_fixup_crypto_node(void *blob, int sec_rev)
                { 0x0301, 4, 24, 0xbfe, 0x03ab0ebf }, /* SEC 3.1 */
                { 0x0303, 4, 24, 0x97c, 0x03a30abf }, /* SEC 3.3 */
        };
-       char compat_strlist[ARRAY_SIZE(sec_rev_prop_list) *
-                           sizeof("fsl,secX.Y")];
+       static char compat_strlist[ARRAY_SIZE(sec_rev_prop_list) *
+                                  sizeof("fsl,secX.Y")];
        int crypto_node, sec_idx, err;
        char *p;
        u32 val;
@@ -183,4 +301,164 @@ void fdt_fixup_crypto_node(void *blob, int sec_rev)
                printf("WARNING: could not set crypto property: %s\n",
                       fdt_strerror(err));
 }
-#endif /* defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) */
+#elif CONFIG_SYS_FSL_SEC_COMPAT >= 4  /* SEC4 */
+static u8 caam_get_era(void)
+{
+       static const struct {
+               u16 ip_id;
+               u8 maj_rev;
+               u8 era;
+       } caam_eras[] = {
+               {0x0A10, 1, 1},
+               {0x0A10, 2, 2},
+               {0x0A12, 1, 3},
+               {0x0A14, 1, 3},
+               {0x0A14, 2, 4},
+               {0x0A16, 1, 4},
+               {0x0A10, 3, 4},
+               {0x0A11, 1, 4},
+               {0x0A18, 1, 4},
+               {0x0A11, 2, 5},
+               {0x0A12, 2, 5},
+               {0x0A13, 1, 5},
+               {0x0A1C, 1, 5}
+       };
+
+       ccsr_sec_t __iomem *sec = (void __iomem *)CONFIG_SYS_FSL_SEC_ADDR;
+       u32 secvid_ms = in_be32(&sec->secvid_ms);
+       u32 ccbvid = in_be32(&sec->ccbvid);
+       u16 ip_id = (secvid_ms & SEC_SECVID_MS_IPID_MASK) >>
+                               SEC_SECVID_MS_IPID_SHIFT;
+       u8 maj_rev = (secvid_ms & SEC_SECVID_MS_MAJ_REV_MASK) >>
+                               SEC_SECVID_MS_MAJ_REV_SHIFT;
+       u8 era = (ccbvid & SEC_CCBVID_ERA_MASK) >> SEC_CCBVID_ERA_SHIFT;
+
+       int i;
+
+       if (era)        /* This is '0' prior to CAAM ERA-6 */
+               return era;
+
+       for (i = 0; i < ARRAY_SIZE(caam_eras); i++)
+               if (caam_eras[i].ip_id == ip_id &&
+                   caam_eras[i].maj_rev == maj_rev)
+                       return caam_eras[i].era;
+
+       return 0;
+}
+
+static void fdt_fixup_crypto_era(void *blob, u32 era)
+{
+       int err;
+       int crypto_node;
+
+       crypto_node = fdt_path_offset(blob, "crypto");
+       if (crypto_node < 0) {
+               printf("WARNING: Missing crypto node\n");
+               return;
+       }
+
+       err = fdt_setprop(blob, crypto_node, "fsl,sec-era", &era,
+                         sizeof(era));
+       if (err < 0) {
+               printf("ERROR: could not set fsl,sec-era property: %s\n",
+                      fdt_strerror(err));
+       }
+}
+
+void fdt_fixup_crypto_node(void *blob, int sec_rev)
+{
+       u8 era;
+
+       if (!sec_rev) {
+               fdt_del_node_and_alias(blob, "crypto");
+               return;
+       }
+
+       /* Add SEC ERA information in compatible */
+       era = caam_get_era();
+       if (era) {
+               fdt_fixup_crypto_era(blob, era);
+       } else {
+               printf("WARNING: Unable to get ERA for CAAM rev: %d\n",
+                       sec_rev);
+       }
+}
+#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