]> git.sur5r.net Git - u-boot/blobdiff - cpu/mpc85xx/fdt.c
85xx: Add support for additional e500mc features
[u-boot] / cpu / mpc85xx / fdt.c
index 737a6c485a20119bd435b539edaad0ed491fd6db..2d36c24b602527690b5bcbcc248f2bc11df5f2d3 100644 (file)
 #include <common.h>
 #include <libfdt.h>
 #include <fdt_support.h>
+#include <asm/processor.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+extern void ft_qe_setup(void *blob);
+
+#ifdef CONFIG_MP
+#include "mp.h"
+
+void ft_fixup_cpu(void *blob, u64 memory_limit)
+{
+       int off;
+       ulong spin_tbl_addr = get_spin_addr();
+       u32 bootpg, id = get_my_id();
+
+       /* if we have 4G or more of memory, put the boot page at 4Gb-4k */
+       if ((u64)gd->ram_size > 0xfffff000)
+               bootpg = 0xfffff000;
+       else
+               bootpg = gd->ram_size - 4096;
+
+       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);
+
+               if (reg) {
+                       if (*reg == id) {
+                               fdt_setprop_string(blob, off, "status", "okay");
+                       } else {
+                               u64 val = *reg * SIZE_BOOT_ENTRY + spin_tbl_addr;
+                               val = cpu_to_fdt32(val);
+                               fdt_setprop_string(blob, off, "status",
+                                                               "disabled");
+                               fdt_setprop_string(blob, off, "enable-method",
+                                                               "spin-table");
+                               fdt_setprop(blob, off, "cpu-release-addr",
+                                               &val, sizeof(val));
+                       }
+               } else {
+                       printf ("cpu NULL\n");
+               }
+               off = fdt_node_offset_by_prop_value(blob, off,
+                               "device_type", "cpu", 4);
+       }
+
+       /* Reserve the boot page so OSes dont use it */
+       if ((u64)bootpg < memory_limit) {
+               off = fdt_add_mem_rsv(blob, bootpg, (u64)4096);
+               if (off < 0)
+                       printf("%s: %s\n", __FUNCTION__, fdt_strerror(off));
+       }
+}
+#endif
+
+#define ft_fixup_l3cache(x, y)
+
+#if defined(CONFIG_L2_CACHE)
+/* return size in kilobytes */
+static inline u32 l2cache_size(void)
+{
+       volatile ccsr_l2cache_t *l2cache = (void *)CONFIG_SYS_MPC85xx_L2_ADDR;
+       volatile u32 l2siz_field = (l2cache->l2ctl >> 28) & 0x3;
+       u32 ver = SVR_SOC_VER(get_svr());
+
+       switch (l2siz_field) {
+       case 0x0:
+               break;
+       case 0x1:
+               if (ver == SVR_8540 || ver == SVR_8560   ||
+                   ver == SVR_8541 || ver == SVR_8541_E ||
+                   ver == SVR_8555 || ver == SVR_8555_E)
+                       return 128;
+               else
+                       return 256;
+               break;
+       case 0x2:
+               if (ver == SVR_8540 || ver == SVR_8560   ||
+                   ver == SVR_8541 || ver == SVR_8541_E ||
+                   ver == SVR_8555 || ver == SVR_8555_E)
+                       return 256;
+               else
+                       return 512;
+               break;
+       case 0x3:
+               return 1024;
+               break;
+       }
+
+       return 0;
+}
+
+static inline void ft_fixup_l2cache(void *blob)
+{
+       int len, off;
+       u32 *ph;
+       struct cpu_type *cpu = identify_cpu(SVR_SOC_VER(get_svr()));
+       char compat_buf[38];
+
+       const u32 line_size = 32;
+       const u32 num_ways = 8;
+       const u32 size = l2cache_size() * 1024;
+       const u32 num_sets = size / (line_size * num_ways);
+
+       off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
+       if (off < 0) {
+               debug("no cpu node fount\n");
+               return;
+       }
+
+       ph = (u32 *)fdt_getprop(blob, off, "next-level-cache", 0);
+
+       if (ph == NULL) {
+               debug("no next-level-cache property\n");
+               return ;
+       }
+
+       off = fdt_node_offset_by_phandle(blob, *ph);
+       if (off < 0) {
+               printf("%s: %s\n", __func__, fdt_strerror(off));
+               return ;
+       }
+
+       if (cpu) {
+               len = sprintf(compat_buf, "fsl,mpc%s-l2-cache-controller",
+                               cpu->name);
+               sprintf(&compat_buf[len + 1], "cache");
+       }
+       fdt_setprop(blob, off, "cache-unified", NULL, 0);
+       fdt_setprop_cell(blob, off, "cache-block-size", line_size);
+       fdt_setprop_cell(blob, off, "cache-size", size);
+       fdt_setprop_cell(blob, off, "cache-sets", num_sets);
+       fdt_setprop_cell(blob, off, "cache-level", 2);
+       fdt_setprop(blob, off, "compatible", compat_buf, sizeof(compat_buf));
+
+       /* we dont bother w/L3 since no platform of this type has one */
+}
+#elif defined(CONFIG_BACKSIDE_L2_CACHE)
+static inline void ft_fixup_l2cache(void *blob)
+{
+       int off, l2_off, l3_off = -1;
+       u32 *ph;
+       u32 l2cfg0 = mfspr(SPRN_L2CFG0);
+       u32 size, line_size, num_ways, num_sets;
+
+       size = (l2cfg0 & 0x3fff) * 64 * 1024;
+       num_ways = ((l2cfg0 >> 14) & 0x1f) + 1;
+       line_size = (((l2cfg0 >> 23) & 0x3) + 1) * 32;
+       num_sets = size / (line_size * num_ways);
+
+       off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
+
+       while (off != -FDT_ERR_NOTFOUND) {
+               ph = (u32 *)fdt_getprop(blob, off, "next-level-cache", 0);
+
+               if (ph == NULL) {
+                       debug("no next-level-cache property\n");
+                       goto next;
+               }
+
+               l2_off = fdt_node_offset_by_phandle(blob, *ph);
+               if (l2_off < 0) {
+                       printf("%s: %s\n", __func__, fdt_strerror(off));
+                       goto next;
+               }
+
+               fdt_setprop(blob, l2_off, "cache-unified", NULL, 0);
+               fdt_setprop_cell(blob, l2_off, "cache-block-size", line_size);
+               fdt_setprop_cell(blob, l2_off, "cache-size", size);
+               fdt_setprop_cell(blob, l2_off, "cache-sets", num_sets);
+               fdt_setprop_cell(blob, l2_off, "cache-level", 2);
+               fdt_setprop(blob, l2_off, "compatible", "cache", 6);
+
+               if (l3_off < 0) {
+                       ph = (u32 *)fdt_getprop(blob, l2_off, "next-level-cache", 0);
+
+                       if (ph == NULL) {
+                               debug("no next-level-cache property\n");
+                               goto next;
+                       }
+                       l3_off = *ph;
+               }
+next:
+               off = fdt_node_offset_by_prop_value(blob, off,
+                               "device_type", "cpu", 4);
+       }
+       if (l3_off > 0) {
+               l3_off = fdt_node_offset_by_phandle(blob, l3_off);
+               if (l3_off < 0) {
+                       printf("%s: %s\n", __func__, fdt_strerror(off));
+                       return ;
+               }
+               ft_fixup_l3cache(blob, l3_off);
+       }
+}
+#else
+#define ft_fixup_l2cache(x)
+#endif
+
+static inline void ft_fixup_cache(void *blob)
+{
+       int off;
+
+       off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
+
+       while (off != -FDT_ERR_NOTFOUND) {
+               u32 l1cfg0 = mfspr(SPRN_L1CFG0);
+               u32 l1cfg1 = mfspr(SPRN_L1CFG1);
+               u32 isize, iline_size, inum_sets, inum_ways;
+               u32 dsize, dline_size, dnum_sets, dnum_ways;
+
+               /* d-side config */
+               dsize = (l1cfg0 & 0x7ff) * 1024;
+               dnum_ways = ((l1cfg0 >> 11) & 0xff) + 1;
+               dline_size = (((l1cfg0 >> 23) & 0x3) + 1) * 32;
+               dnum_sets = dsize / (dline_size * dnum_ways);
+
+               fdt_setprop_cell(blob, off, "d-cache-block-size", dline_size);
+               fdt_setprop_cell(blob, off, "d-cache-size", dsize);
+               fdt_setprop_cell(blob, off, "d-cache-sets", dnum_sets);
+
+               /* i-side config */
+               isize = (l1cfg1 & 0x7ff) * 1024;
+               inum_ways = ((l1cfg1 >> 11) & 0xff) + 1;
+               iline_size = (((l1cfg1 >> 23) & 0x3) + 1) * 32;
+               inum_sets = isize / (iline_size * inum_ways);
+
+               fdt_setprop_cell(blob, off, "i-cache-block-size", iline_size);
+               fdt_setprop_cell(blob, off, "i-cache-size", isize);
+               fdt_setprop_cell(blob, off, "i-cache-sets", inum_sets);
+
+               off = fdt_node_offset_by_prop_value(blob, off,
+                               "device_type", "cpu", 4);
+       }
+
+       ft_fixup_l2cache(blob);
+}
+
+
+void fdt_add_enet_stashing(void *fdt)
+{
+       do_fixup_by_compat(fdt, "gianfar", "bd-stash", NULL, 0, 1);
+
+       do_fixup_by_compat_u32(fdt, "gianfar", "rx-stash-len", 96, 1);
+
+       do_fixup_by_compat_u32(fdt, "gianfar", "rx-stash-idx", 0, 1);
+}
 
 void ft_cpu_setup(void *blob, bd_t *bd)
 {
+       int off;
+       int val;
+       sys_info_t sysinfo;
+
+       /* delete crypto node if not on an E-processor */
+       if (!IS_E_PROCESSOR(get_svr()))
+               fdt_fixup_crypto_node(blob, 0);
+
 #if defined(CONFIG_HAS_ETH0) || defined(CONFIG_HAS_ETH1) ||\
     defined(CONFIG_HAS_ETH2) || defined(CONFIG_HAS_ETH3)
-       fdt_fixup_ethernet(blob, bd);
+       fdt_fixup_ethernet(blob);
+
+       fdt_add_enet_stashing(blob);
 #endif
 
        do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
                "timebase-frequency", bd->bi_busfreq / 8, 1);
        do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
                "bus-frequency", bd->bi_busfreq, 1);
-       do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
-               "clock-frequency", bd->bi_intfreq, 1);
+       get_sys_info(&sysinfo);
+       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);
+               val = cpu_to_fdt32(sysinfo.freqProcessor[*reg]);
+               fdt_setprop(blob, off, "clock-frequency", &val, 4);
+               off = fdt_node_offset_by_prop_value(blob, off, "device_type",
+                                                       "cpu", 4);
+       }
        do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
                "bus-frequency", bd->bi_busfreq, 1);
+
+       do_fixup_by_compat_u32(blob, "fsl,pq3-localbus",
+               "bus-frequency", gd->lbc_clk, 1);
+       do_fixup_by_compat_u32(blob, "fsl,elbc",
+               "bus-frequency", gd->lbc_clk, 1);
 #ifdef CONFIG_QE
-       do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
-               "bus-frequency", bd->bi_busfreq, 1);
+       ft_qe_setup(blob);
 #endif
 
-#ifdef CFG_NS16550
+#ifdef CONFIG_SYS_NS16550
        do_fixup_by_compat_u32(blob, "ns16550",
-               "clock-frequency", bd->bi_busfreq, 1);
+               "clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
 #endif
 
 #ifdef CONFIG_CPM2
@@ -61,4 +328,10 @@ void ft_cpu_setup(void *blob, bd_t *bd)
 #endif
 
        fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
+
+#ifdef CONFIG_MP
+       ft_fixup_cpu(blob, (u64)bd->bi_memstart + (u64)bd->bi_memsize);
+#endif
+
+       ft_fixup_cache(blob);
 }