diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/configs/exynos5250-dt.h | 7 | ||||
| -rw-r--r-- | include/fdtdec.h | 1 | ||||
| -rw-r--r-- | include/mtd/cfi_flash.h | 41 | ||||
| -rw-r--r-- | include/tis.h | 73 | ||||
| -rw-r--r-- | include/tpm.h | 197 |
5 files changed, 266 insertions, 53 deletions
diff --git a/include/configs/exynos5250-dt.h b/include/configs/exynos5250-dt.h index 3aed696c2..020048a33 100644 --- a/include/configs/exynos5250-dt.h +++ b/include/configs/exynos5250-dt.h @@ -134,6 +134,13 @@ #define CONFIG_USB_EHCI_EXYNOS #define CONFIG_USB_STORAGE +/* TPM */ +#define CONFIG_TPM +#define CONFIG_CMD_TPM +#define CONFIG_INFINEON_TPM_I2C +#define CONFIG_INFINEON_TPM_I2C_BUS 3 +#define CONFIG_INFINEON_TPM_I2C_ADDR 0x20 + /* MMC SPL */ #define CONFIG_SPL #define COPY_BL2_FNPTR_ADDR 0x02020030 diff --git a/include/fdtdec.h b/include/fdtdec.h index 844991ec4..4e8032ba6 100644 --- a/include/fdtdec.h +++ b/include/fdtdec.h @@ -92,6 +92,7 @@ enum fdt_compat_id { COMPAT_MAXIM_MAX77686_PMIC, /* MAX77686 PMIC */ COMPAT_GENERIC_SPI_FLASH, /* Generic SPI Flash chip */ COMPAT_MAXIM_98095_CODEC, /* MAX98095 Codec */ + COMPAT_INFINEON_SLB9635_TPM, /* Infineon SLB9635 TPM */ COMPAT_COUNT, }; diff --git a/include/mtd/cfi_flash.h b/include/mtd/cfi_flash.h index 9bd76eb97..966b5e00c 100644 --- a/include/mtd/cfi_flash.h +++ b/include/mtd/cfi_flash.h @@ -78,30 +78,29 @@ #define FLASH_CONTINUATION_CODE 0x7F #define FLASH_OFFSET_MANUFACTURER_ID 0x00 -#define FLASH_OFFSET_DEVICE_ID 0x02 -#define FLASH_OFFSET_DEVICE_ID2 0x1C -#define FLASH_OFFSET_DEVICE_ID3 0x1E -#define FLASH_OFFSET_CFI 0xAA - +#define FLASH_OFFSET_DEVICE_ID 0x01 +#define FLASH_OFFSET_DEVICE_ID2 0x0E +#define FLASH_OFFSET_DEVICE_ID3 0x0F +#define FLASH_OFFSET_CFI 0x55 #define FLASH_OFFSET_CFI_ALT 0x555 -#define FLASH_OFFSET_CFI_RESP 0x20 -#define FLASH_OFFSET_PRIMARY_VENDOR 0x26 +#define FLASH_OFFSET_CFI_RESP 0x10 +#define FLASH_OFFSET_PRIMARY_VENDOR 0x13 /* extended query table primary address */ -#define FLASH_OFFSET_EXT_QUERY_T_P_ADDR 0x2A +#define FLASH_OFFSET_EXT_QUERY_T_P_ADDR 0x15 #define FLASH_OFFSET_WTOUT 0x1F -#define FLASH_OFFSET_WBTOUT 0x40 -#define FLASH_OFFSET_ETOUT 0x4A -#define FLASH_OFFSET_CETOUT 0x44 -#define FLASH_OFFSET_WMAX_TOUT 0x46 -#define FLASH_OFFSET_WBMAX_TOUT 0x48 -#define FLASH_OFFSET_EMAX_TOUT 0x4A -#define FLASH_OFFSET_CEMAX_TOUT 0x4C -#define FLASH_OFFSET_SIZE 0x4E -#define FLASH_OFFSET_INTERFACE 0x50 -#define FLASH_OFFSET_BUFFER_SIZE 0x54 -#define FLASH_OFFSET_NUM_ERASE_REGIONS 0x58 -#define FLASH_OFFSET_ERASE_REGIONS 0x5A -#define FLASH_OFFSET_PROTECT 0x04 +#define FLASH_OFFSET_WBTOUT 0x20 +#define FLASH_OFFSET_ETOUT 0x21 +#define FLASH_OFFSET_CETOUT 0x22 +#define FLASH_OFFSET_WMAX_TOUT 0x23 +#define FLASH_OFFSET_WBMAX_TOUT 0x24 +#define FLASH_OFFSET_EMAX_TOUT 0x25 +#define FLASH_OFFSET_CEMAX_TOUT 0x26 +#define FLASH_OFFSET_SIZE 0x27 +#define FLASH_OFFSET_INTERFACE 0x28 +#define FLASH_OFFSET_BUFFER_SIZE 0x2A +#define FLASH_OFFSET_NUM_ERASE_REGIONS 0x2C +#define FLASH_OFFSET_ERASE_REGIONS 0x2D +#define FLASH_OFFSET_PROTECT 0x02 #define FLASH_OFFSET_USER_PROTECTION 0x85 #define FLASH_OFFSET_INTEL_PROTECTION 0x81 diff --git a/include/tis.h b/include/tis.h new file mode 100644 index 000000000..89e57300b --- /dev/null +++ b/include/tis.h @@ -0,0 +1,73 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef __TIS_H +#define __TIS_H + +#include <common.h> + +/* Low-level interface to access TPM */ + +/* + * tis_init() + * + * Initialize the TPM device. Returns 0 on success or -1 on + * failure (in case device probing did not succeed). + */ +int tis_init(void); + +/* + * tis_open() + * + * Requests access to locality 0 for the caller. After all commands have been + * completed the caller is supposed to call tis_close(). + * + * Returns 0 on success, -1 on failure. + */ +int tis_open(void); + +/* + * tis_close() + * + * terminate the currect session with the TPM by releasing the locked + * locality. Returns 0 on success of -1 on failure (in case lock + * removal did not succeed). + */ +int tis_close(void); + +/* + * tis_sendrecv() + * + * Send the requested data to the TPM and then try to get its response + * + * @sendbuf - buffer of the data to send + * @send_size size of the data to send + * @recvbuf - memory to save the response to + * @recv_len - pointer to the size of the response buffer + * + * Returns 0 on success (and places the number of response bytes at recv_len) + * or -1 on failure. + */ +int tis_sendrecv(const uint8_t *sendbuf, size_t send_size, uint8_t *recvbuf, + size_t *recv_len); + +#endif /* __TIS_H */ diff --git a/include/tpm.h b/include/tpm.h index 6b21e9c73..7219b7319 100644 --- a/include/tpm.h +++ b/include/tpm.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2011 The Chromium OS Authors. + * Copyright (c) 2013 The Chromium OS Authors. * * See file CREDITS for list of people who contributed to this * project. @@ -20,52 +20,185 @@ * MA 02111-1307 USA */ -#ifndef _INCLUDE_TPM_H_ -#define _INCLUDE_TPM_H_ +#ifndef __TPM_H +#define __TPM_H -#include <common.h> +#include <tis.h> /* - * tis_init() + * Here is a partial implementation of TPM commands. Please consult TCG Main + * Specification for definitions of TPM commands. + */ + +enum tpm_startup_type { + TPM_ST_CLEAR = 0x0001, + TPM_ST_STATE = 0x0002, + TPM_ST_DEACTIVATED = 0x0003, +}; + +enum tpm_physical_presence { + TPM_PHYSICAL_PRESENCE_HW_DISABLE = 0x0200, + TPM_PHYSICAL_PRESENCE_CMD_DISABLE = 0x0100, + TPM_PHYSICAL_PRESENCE_LIFETIME_LOCK = 0x0080, + TPM_PHYSICAL_PRESENCE_HW_ENABLE = 0x0040, + TPM_PHYSICAL_PRESENCE_CMD_ENABLE = 0x0020, + TPM_PHYSICAL_PRESENCE_NOTPRESENT = 0x0010, + TPM_PHYSICAL_PRESENCE_PRESENT = 0x0008, + TPM_PHYSICAL_PRESENCE_LOCK = 0x0004, +}; + +enum tpm_nv_index { + TPM_NV_INDEX_LOCK = 0xffffffff, + TPM_NV_INDEX_0 = 0x00000000, + TPM_NV_INDEX_DIR = 0x10000001, +}; + +/** + * Initialize TPM device. It must be called before any TPM commands. * - * Initialize the TPM device. Returns 0 on success or -1 on - * failure (in case device probing did not succeed). + * @return 0 on success, non-0 on error. */ -int tis_init(void); +uint32_t tpm_init(void); -/* - * tis_open() +/** + * Issue a TPM_Startup command. * - * Requests access to locality 0 for the caller. After all commands have been - * completed the caller is supposed to call tis_close(). + * @param mode TPM startup mode + * @return return code of the operation + */ +uint32_t tpm_startup(enum tpm_startup_type mode); + +/** + * Issue a TPM_SelfTestFull command. * - * Returns 0 on success, -1 on failure. + * @return return code of the operation */ -int tis_open(void); +uint32_t tpm_self_test_full(void); -/* - * tis_close() +/** + * Issue a TPM_ContinueSelfTest command. * - * terminate the currect session with the TPM by releasing the locked - * locality. Returns 0 on success of -1 on failure (in case lock - * removal did not succeed). + * @return return code of the operation */ -int tis_close(void); +uint32_t tpm_continue_self_test(void); -/* - * tis_sendrecv() +/** + * Issue a TPM_NV_DefineSpace command. The implementation is limited + * to specify TPM_NV_ATTRIBUTES and size of the area. The area index + * could be one of the special value listed in enum tpm_nv_index. * - * Send the requested data to the TPM and then try to get its response + * @param index index of the area + * @param perm TPM_NV_ATTRIBUTES of the area + * @param size size of the area + * @return return code of the operation + */ +uint32_t tpm_nv_define_space(uint32_t index, uint32_t perm, uint32_t size); + +/** + * Issue a TPM_NV_ReadValue command. This implementation is limited + * to read the area from offset 0. The area index could be one of + * the special value listed in enum tpm_nv_index. + * + * @param index index of the area + * @param data output buffer of the area contents + * @param count size of output buffer + * @return return code of the operation + */ +uint32_t tpm_nv_read_value(uint32_t index, void *data, uint32_t count); + +/** + * Issue a TPM_NV_WriteValue command. This implementation is limited + * to write the area from offset 0. The area index could be one of + * the special value listed in enum tpm_nv_index. + * + * @param index index of the area + * @param data input buffer to be wrote to the area + * @param length length of data bytes of input buffer + * @return return code of the operation + */ +uint32_t tpm_nv_write_value(uint32_t index, const void *data, uint32_t length); + +/** + * Issue a TPM_Extend command. + * + * @param index index of the PCR + * @param in_digest 160-bit value representing the event to be + * recorded + * @param out_digest 160-bit PCR value after execution of the + * command + * @return return code of the operation + */ +uint32_t tpm_extend(uint32_t index, const void *in_digest, void *out_digest); + +/** + * Issue a TPM_PCRRead command. * - * @sendbuf - buffer of the data to send - * @send_size size of the data to send - * @recvbuf - memory to save the response to - * @recv_len - pointer to the size of the response buffer + * @param index index of the PCR + * @param data output buffer for contents of the named PCR + * @param count size of output buffer + * @return return code of the operation + */ +uint32_t tpm_pcr_read(uint32_t index, void *data, size_t count); + +/** + * Issue a TSC_PhysicalPresence command. TPM physical presence flag + * is bit-wise OR'ed of flags listed in enum tpm_physical_presence. + * + * @param presence TPM physical presence flag + * @return return code of the operation + */ +uint32_t tpm_tsc_physical_presence(uint16_t presence); + +/** + * Issue a TPM_ReadPubek command. + * + * @param data output buffer for the public endorsement key + * @param count size of ouput buffer + * @return return code of the operation + */ +uint32_t tpm_read_pubek(void *data, size_t count); + +/** + * Issue a TPM_ForceClear command. + * + * @return return code of the operation + */ +uint32_t tpm_force_clear(void); + +/** + * Issue a TPM_PhysicalEnable command. + * + * @return return code of the operation + */ +uint32_t tpm_physical_enable(void); + +/** + * Issue a TPM_PhysicalDisable command. + * + * @return return code of the operation + */ +uint32_t tpm_physical_disable(void); + +/** + * Issue a TPM_PhysicalSetDeactivated command. + * + * @param state boolean state of the deactivated flag + * @return return code of the operation + */ +uint32_t tpm_physical_set_deactivated(uint8_t state); + +/** + * Issue a TPM_GetCapability command. This implementation is limited + * to query sub_cap index that is 4-byte wide. * - * Returns 0 on success (and places the number of response bytes at recv_len) - * or -1 on failure. + * @param cap_area partition of capabilities + * @param sub_cap further definition of capability, which is + * limited to be 4-byte wide + * @param cap output buffer for capability information + * @param count size of ouput buffer + * @return return code of the operation */ -int tis_sendrecv(const uint8_t *sendbuf, size_t send_size, uint8_t *recvbuf, - size_t *recv_len); +uint32_t tpm_get_capability(uint32_t cap_area, uint32_t sub_cap, + void *cap, size_t count); -#endif /* _INCLUDE_TPM_H_ */ +#endif /* __TPM_H */ |