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author | Ruchika Gupta <ruchika.gupta@freescale.com> | 2014-12-15 06:00:36 (GMT) |
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committer | York Sun <yorksun@freescale.com> | 2015-01-24 04:29:14 (GMT) |
commit | 0181937fa371aa482d99f17ab2bc219bfcbb21b2 (patch) | |
tree | 1cd8f210ebcdc1a1e141ed77bc255ca8254b1590 /arch/powerpc/cpu/mpc8xxx | |
parent | d8f527578e15c307e93f851014f382e94f78cf39 (diff) | |
download | u-boot-0181937fa371aa482d99f17ab2bc219bfcbb21b2.tar.xz |
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>
Diffstat (limited to 'arch/powerpc/cpu/mpc8xxx')
-rw-r--r-- | arch/powerpc/cpu/mpc8xxx/fdt.c | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/arch/powerpc/cpu/mpc8xxx/fdt.c b/arch/powerpc/cpu/mpc8xxx/fdt.c index 1c63f93..9cc1676 100644 --- a/arch/powerpc/cpu/mpc8xxx/fdt.c +++ b/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", |