diff options
| -rw-r--r-- | board/ti/am57xx/board.c | 37 | ||||
| -rw-r--r-- | board/ti/am57xx/mux_data.h | 16 | ||||
| -rw-r--r-- | board/ti/common/board_detect.c | 76 | ||||
| -rw-r--r-- | board/ti/common/board_detect.h | 9 |
4 files changed, 138 insertions, 0 deletions
diff --git a/board/ti/am57xx/board.c b/board/ti/am57xx/board.c index c755821b74f..52f5e954e69 100644 --- a/board/ti/am57xx/board.c +++ b/board/ti/am57xx/board.c @@ -14,6 +14,7 @@ #include <sata.h> #include <serial.h> #include <usb.h> +#include <errno.h> #include <asm/omap_common.h> #include <asm/omap_sec_common.h> #include <asm/emif.h> @@ -37,6 +38,10 @@ #include "../common/board_detect.h" #include "mux_data.h" +#ifdef CONFIG_SUPPORT_EMMC_BOOT +static int board_bootmode_has_emmc(void); +#endif + #define board_is_x15() board_ti_is("BBRDX15_") #define board_is_x15_revb1() (board_ti_is("BBRDX15_") && \ !strncmp("B.10", board_ti_get_rev(), 3)) @@ -507,6 +512,14 @@ void do_board_detect(void) CONFIG_EEPROM_CHIP_ADDRESS); if (rc) printf("ti_i2c_eeprom_init failed %d\n", rc); + +#ifdef CONFIG_SUPPORT_EMMC_BOOT + rc = board_bootmode_has_emmc(); + if (!rc) + rc = ti_emmc_boardid_get(); + if (rc) + printf("ti_emmc_boardid_get failed %d\n", rc); +#endif } #else /* CONFIG_SPL_BUILD */ @@ -522,6 +535,14 @@ void do_board_detect(void) if (rc) printf("ti_i2c_eeprom_init failed %d\n", rc); +#ifdef CONFIG_SUPPORT_EMMC_BOOT + rc = board_bootmode_has_emmc(); + if (!rc) + rc = ti_emmc_boardid_get(); + if (rc) + printf("ti_emmc_boardid_get failed %d\n", rc); +#endif + if (board_is_x15()) bname = "BeagleBoard X15"; else if (board_is_am572x_evm()) @@ -744,6 +765,11 @@ void set_muxconf_regs(void) { do_set_mux32((*ctrl)->control_padconf_core_base, early_padconf, ARRAY_SIZE(early_padconf)); + +#ifdef CONFIG_SUPPORT_EMMC_BOOT + do_set_mux32((*ctrl)->control_padconf_core_base, + emmc_padconf, ARRAY_SIZE(emmc_padconf)); +#endif } #ifdef CONFIG_IODELAY_RECALIBRATION @@ -1113,6 +1139,17 @@ int fastboot_set_reboot_flag(void) } #endif +#ifdef CONFIG_SUPPORT_EMMC_BOOT +static int board_bootmode_has_emmc(void) +{ + /* Check that boot mode is same as BBAI */ + if (gd->arch.omap_boot_mode != 2) + return -EIO; + + return 0; +} +#endif + #ifdef CONFIG_TI_SECURE_DEVICE void board_fit_image_post_process(void **p_image, size_t *p_size) { diff --git a/board/ti/am57xx/mux_data.h b/board/ti/am57xx/mux_data.h index d4a15ae93d7..51df977817e 100644 --- a/board/ti/am57xx/mux_data.h +++ b/board/ti/am57xx/mux_data.h @@ -1000,6 +1000,22 @@ const struct pad_conf_entry early_padconf[] = { {I2C1_SCL, (PIN_INPUT_PULLUP | M0)}, /* I2C1_SCL */ }; +#ifdef CONFIG_SUPPORT_EMMC_BOOT +const struct pad_conf_entry emmc_padconf[] = { + {GPMC_A19, (M1 | PIN_INPUT_PULLUP)}, /* K7: gpmc_a19.mmc2_dat4 */ + {GPMC_A20, (M1 | PIN_INPUT_PULLUP)}, /* M7: gpmc_a20.mmc2_dat5 */ + {GPMC_A21, (M1 | PIN_INPUT_PULLUP)}, /* J5: gpmc_a21.mmc2_dat6 */ + {GPMC_A22, (M1 | PIN_INPUT_PULLUP)}, /* K6: gpmc_a22.mmc2_dat7 */ + {GPMC_A23, (M1 | PIN_INPUT_PULLUP)}, /* J7: gpmc_a23.mmc2_clk */ + {GPMC_A24, (M1 | PIN_INPUT_PULLUP)}, /* J4: gpmc_a24.mmc2_dat0 */ + {GPMC_A25, (M1 | PIN_INPUT_PULLUP)}, /* J6: gpmc_a25.mmc2_dat1 */ + {GPMC_A26, (M1 | PIN_INPUT_PULLUP)}, /* H4: gpmc_a26.mmc2_dat2 */ + {GPMC_A27, (M1 | PIN_INPUT_PULLUP)}, /* H5: gpmc_a27.mmc2_dat3 */ + {GPMC_CS1, (M1 | PIN_INPUT_PULLUP)}, /* H6: gpmc_cs1.mmc2_cmd */ + {MCASP1_AXR5, (M14 | PIN_OUTPUT_PULLUP)}, /* F13: eMMC_RSTn (missing on schematic): mcasp1_axr5.gpio5_7 */ +}; +#endif + #ifdef CONFIG_IODELAY_RECALIBRATION const struct iodelay_cfg_entry iodelay_cfg_array_x15_sr1_1[] = { {0x0114, 2980, 0}, /* CFG_GPMC_A0_IN */ diff --git a/board/ti/common/board_detect.c b/board/ti/common/board_detect.c index 564d2f70460..59ec57062d7 100644 --- a/board/ti/common/board_detect.c +++ b/board/ti/common/board_detect.c @@ -14,6 +14,9 @@ #include <dm/uclass.h> #include <env.h> #include <i2c.h> +#include <mmc.h> +#include <errno.h> +#include <malloc.h> #include "board_detect.h" @@ -171,6 +174,79 @@ static int __maybe_unused ti_i2c_eeprom_get(int bus_addr, int dev_addr, return 0; } +int __maybe_unused ti_emmc_boardid_get(void) +{ + int rc; + struct udevice *dev; + struct mmc *mmc; + struct ti_common_eeprom *ep; + struct ti_am_eeprom brdid; + struct blk_desc *bdesc; + uchar *buffer; + + ep = TI_EEPROM_DATA; + if (ep->header == TI_EEPROM_HEADER_MAGIC) + return 0; /* EEPROM has already been read */ + + /* Initialize with a known bad marker for emmc fails.. */ + ep->header = TI_DEAD_EEPROM_MAGIC; + ep->name[0] = 0x0; + ep->version[0] = 0x0; + ep->serial[0] = 0x0; + ep->config[0] = 0x0; + + /* uclass object initialization */ + rc = mmc_initialize(NULL); + if (rc) + return rc; + + /* Set device to /dev/mmcblk1 */ + rc = uclass_get_device(UCLASS_MMC, 1, &dev); + if (rc) + return rc; + + /* Grab the mmc device */ + mmc = mmc_get_mmc_dev(dev); + if (!mmc) + return -ENODEV; + + /* mmc hardware initialization routine */ + mmc_init(mmc); + + /* Set partition to /dev/mmcblk1boot1 */ + rc = mmc_switch_part(mmc, 2); + if (rc) + return rc; + + buffer = malloc(mmc->read_bl_len); + if (!buffer) + return -ENOMEM; + + bdesc = mmc_get_blk_desc(mmc); + + /* blk_dread returns the number of blocks read*/ + if (blk_dread(bdesc, 0L, 1, buffer) != 1) { + rc = -EIO; + goto cleanup; + } + + memcpy(&brdid, buffer, sizeof(brdid)); + + /* Write out the ep struct values */ + ep->header = brdid.header; + strlcpy(ep->name, brdid.name, TI_EEPROM_HDR_NAME_LEN + 1); + ti_eeprom_string_cleanup(ep->name); + strlcpy(ep->version, brdid.version, TI_EEPROM_HDR_REV_LEN + 1); + ti_eeprom_string_cleanup(ep->version); + strlcpy(ep->serial, brdid.serial, TI_EEPROM_HDR_SERIAL_LEN + 1); + ti_eeprom_string_cleanup(ep->serial); + +cleanup: + free(buffer); + + return rc; +} + int __maybe_unused ti_i2c_eeprom_am_set(const char *name, const char *rev) { struct ti_common_eeprom *ep; diff --git a/board/ti/common/board_detect.h b/board/ti/common/board_detect.h index a45d8961b9a..1a85b7fda96 100644 --- a/board/ti/common/board_detect.h +++ b/board/ti/common/board_detect.h @@ -268,6 +268,15 @@ struct ti_am6_eeprom { int ti_i2c_eeprom_am_get(int bus_addr, int dev_addr); /** + * ti_emmc_boardid_get() - Fetch board ID information from eMMC + * + * ep in SRAM is populated by the this function that is currently + * based on BeagleBone AI, but could be made more general across AM* + * platforms. + */ +int __maybe_unused ti_emmc_boardid_get(void); + +/** * ti_i2c_eeprom_dra7_get() - Consolidated eeprom data for DRA7 TI EVMs * @bus_addr: I2C bus address * @dev_addr: I2C slave address |