fdt: add crypto node handling for MPC8{3, 5}xxE processors
Delete the crypto node if not on an E-processor. If on 8360 or 834x family,
check rev and up-rev crypto node (to SEC rev. 2.4 property values)
if on an 'EA' processor, e.g. MPC8349EA.
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
diff --git a/common/fdt_support.c b/common/fdt_support.c
index 3828228..93b144e 100644
--- a/common/fdt_support.c
+++ b/common/fdt_support.c
@@ -442,3 +442,90 @@
prop, compat, fdt_strerror(err));
}
#endif /* CONFIG_HAS_FSL_DR_USB */
+
+#if defined(CONFIG_MPC83XX) || defined(CONFIG_MPC85xx)
+/*
+ * update crypto node properties to a specified revision of the SEC
+ * called with sec_rev == 0 if not on an mpc8xxxE processor
+ */
+void fdt_fixup_crypto_node(void *blob, int sec_rev)
+{
+ const struct sec_rev_prop {
+ u32 sec_rev;
+ u32 num_channels;
+ u32 channel_fifo_len;
+ u32 exec_units_mask;
+ u32 descriptor_types_mask;
+ } sec_rev_prop_list [] = {
+ { 0x0200, 4, 24, 0x07e, 0x01010ebf }, /* SEC 2.0 */
+ { 0x0201, 4, 24, 0x0fe, 0x012b0ebf }, /* SEC 2.1 */
+ { 0x0202, 1, 24, 0x04c, 0x0122003f }, /* SEC 2.2 */
+ { 0x0204, 4, 24, 0x07e, 0x012b0ebf }, /* SEC 2.4 */
+ { 0x0300, 4, 24, 0x9fe, 0x03ab0ebf }, /* SEC 3.0 */
+ { 0x0303, 4, 24, 0x97c, 0x03ab0abf }, /* SEC 3.3 */
+ };
+ char compat_strlist[ARRAY_SIZE(sec_rev_prop_list) *
+ sizeof("fsl,secX.Y")];
+ int crypto_node, sec_idx, err;
+ char *p;
+ u32 val;
+
+ /* locate crypto node based on lowest common compatible */
+ crypto_node = fdt_node_offset_by_compatible(blob, -1, "fsl,sec2.0");
+ if (crypto_node == -FDT_ERR_NOTFOUND)
+ return;
+
+ /* delete it if not on an E-processor */
+ if (crypto_node > 0 && !sec_rev) {
+ fdt_del_node(blob, crypto_node);
+ return;
+ }
+
+ /* else we got called for possible uprev */
+ for (sec_idx = 0; sec_idx < ARRAY_SIZE(sec_rev_prop_list); sec_idx++)
+ if (sec_rev_prop_list[sec_idx].sec_rev == sec_rev)
+ break;
+
+ if (sec_idx == ARRAY_SIZE(sec_rev_prop_list)) {
+ puts("warning: unknown SEC revision number\n");
+ return;
+ }
+
+ val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].num_channels);
+ err = fdt_setprop(blob, crypto_node, "fsl,num-channels", &val, 4);
+ if (err < 0)
+ printf("WARNING: could not set crypto property: %s\n",
+ fdt_strerror(err));
+
+ val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].descriptor_types_mask);
+ err = fdt_setprop(blob, crypto_node, "fsl,descriptor-types-mask", &val, 4);
+ if (err < 0)
+ printf("WARNING: could not set crypto property: %s\n",
+ fdt_strerror(err));
+
+ val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].exec_units_mask);
+ err = fdt_setprop(blob, crypto_node, "fsl,exec-units-mask", &val, 4);
+ if (err < 0)
+ printf("WARNING: could not set crypto property: %s\n",
+ fdt_strerror(err));
+
+ val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].channel_fifo_len);
+ err = fdt_setprop(blob, crypto_node, "fsl,channel-fifo-len", &val, 4);
+ if (err < 0)
+ printf("WARNING: could not set crypto property: %s\n",
+ fdt_strerror(err));
+
+ val = 0;
+ while (sec_idx >= 0) {
+ p = compat_strlist + val;
+ val += sprintf(p, "fsl,sec%d.%d",
+ (sec_rev_prop_list[sec_idx].sec_rev & 0xff00) >> 8,
+ sec_rev_prop_list[sec_idx].sec_rev & 0x00ff) + 1;
+ sec_idx--;
+ }
+ err = fdt_setprop(blob, crypto_node, "compatible", &compat_strlist, val);
+ if (err < 0)
+ printf("WARNING: could not set crypto property: %s\n",
+ fdt_strerror(err));
+}
+#endif /* defined(CONFIG_MPC83XX) || defined(CONFIG_MPC85xx) */