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crypto/fsl: Add fixup for crypto node

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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>
This commit is contained in:
Ruchika Gupta 2014-12-15 11:30:36 +05:30 committed by York Sun
parent d8f527578e
commit 0181937fa3
5 changed files with 203 additions and 170 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
arch/arm/cpu/armv7/ls102xa/fdt.c
View File

@ -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);

170
arch/powerpc/cpu/mpc8xxx/fdt.c
View File

@ -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",

1
arch/powerpc/include/asm/config.h
View File

@ -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

1
drivers/crypto/fsl/Makefile
View File

@ -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

184
drivers/crypto/fsl/sec.c Normal file
View File

@ -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