#include <common.h>
#include <libfdt.h>
#include <fdt_support.h>
+#include <asm/processor.h>
extern void ft_qe_setup(void *blob);
+#ifdef CONFIG_MP
+#include "mp.h"
+DECLARE_GLOBAL_DATA_PTR;
+
+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
+
+#ifdef CONFIG_L2_CACHE
+/* return size in kilobytes */
+static inline u32 l2cache_size(void)
+{
+ volatile ccsr_l2cache_t *l2cache = (void *)CFG_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-line-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));
+}
+#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-line-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-line-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 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);
}