crypto/fsl: Add fixup for crypto node

Era property is added in the crypto node in device tree.
Move the code to do so from arch/powerpc/mpc8xxx/fdt.c to
drivers/sec/sec.c so that it can be used across arm and
powerpc platforms having crypto node.

Signed-off-by: Ruchika Gupta <ruchika.gupta@freescale.com>
[York Sun: Fix commit message indentation]
Reviewed-by: York Sun <yorksun@freescale.com>

arch/arm/cpu/armv7/ls102xa/fdt.c

@@ -15,6 +15,8 @@
 #include <fsl_esdhc.h>
 #endif
 #include <tsec.h>
+#include <asm/arch/immap_ls102xa.h>
+#include <fsl_sec.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -77,9 +79,24 @@ void ft_cpu_setup(void *blob, bd_t *bd)
 	int off;
 	int val;
 	const char *sysclk_path;
+	struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
+	unsigned int svr;
+	svr = in_be32(&gur->svr);
 
 	unsigned long busclk = get_bus_freq(0);
 
+	/* delete crypto node if not on an E-processor */
+	if (!IS_E_PROCESSOR(svr))
+		fdt_fixup_crypto_node(blob, 0);
+#if CONFIG_SYS_FSL_SEC_COMPAT >= 4
+	else {
+		ccsr_sec_t __iomem *sec;
+
+		sec = (void __iomem *)CONFIG_SYS_FSL_SEC_ADDR;
+		fdt_fixup_crypto_node(blob, sec_in32(&sec->secvid_ms));
+	}
+#endif
+
 	fdt_fixup_ethernet(blob);
 
 	off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);

arch/powerpc/cpu/mpc8xxx/fdt.c

@@ -73,176 +73,6 @@ void ft_fixup_num_cores(void *blob) {
 }
 #endif /* defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) */
 
-/*
- * update crypto node properties to a specified revision of the SEC
- * 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)
-{
-	static 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 */
-		{ 0x0301, 4, 24, 0xbfe, 0x03ab0ebf }, /* SEC 3.1 */
-		{ 0x0303, 4, 24, 0x97c, 0x03a30abf }, /* SEC 3.3 */
-	};
-	static 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));
-}
-#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 = sec_in32(&sec->secvid_ms);
-	u32 ccbvid = sec_in32(&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",

arch/powerpc/include/asm/config.h

@@ -75,6 +75,7 @@
  * SEC (crypto unit) major compatible version determination
  */
 #if defined(CONFIG_MPC83xx)
+#define CONFIG_SYS_FSL_SEC_BE
 #define CONFIG_SYS_FSL_SEC_COMPAT	2
 #endif
 

drivers/crypto/fsl/Makefile

@@ -6,5 +6,6 @@
 # Version 2 as published by the Free Software Foundation.
 #
 
+obj-y += sec.o
 obj-$(CONFIG_FSL_CAAM) += jr.o fsl_hash.o jobdesc.o error.o
 obj-$(CONFIG_CMD_BLOB) += fsl_blob.o

drivers/crypto/fsl/sec.c

@@ -0,0 +1,184 @@
+/*
+ * Copyright 2014 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+#if CONFIG_SYS_FSL_SEC_COMPAT == 2 || CONFIG_SYS_FSL_SEC_COMPAT >= 4
+#include <fsl_sec.h>
+#endif
+
+/*
+ * update crypto node properties to a specified revision of the SEC
+ * 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)
+{
+	static 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 */
+		{ 0x0301, 4, 24, 0xbfe, 0x03ab0ebf }, /* SEC 3.1 */
+		{ 0x0303, 4, 24, 0x97c, 0x03a30abf }, /* SEC 3.3 */
+	};
+	static 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));
+}
+#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 = sec_in32(&sec->secvid_ms);
+	u32 ccbvid = sec_in32(&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