Detect the board very early and avoid reading eeprom multiple times.
Signed-off-by: Lokesh Vutla lokeshvutla@ti.com --- arch/arm/cpu/armv7/am33xx/board.c | 3 +++ arch/arm/include/asm/arch-am33xx/sys_proto.h | 1 + board/ti/am335x/board.c | 32 +++++++--------------------- board/ti/am43xx/board.c | 15 +++++-------- 4 files changed, 17 insertions(+), 34 deletions(-)
diff --git a/arch/arm/cpu/armv7/am33xx/board.c b/arch/arm/cpu/armv7/am33xx/board.c index 8340b54..5ebeac0 100644 --- a/arch/arm/cpu/armv7/am33xx/board.c +++ b/arch/arm/cpu/armv7/am33xx/board.c @@ -288,6 +288,9 @@ void early_system_init(void) set_uart_mux_conf(); setup_early_clocks(); uart_soft_reset(); +#ifdef CONFIG_TI_I2C_BOARD_DETECT + do_board_detect(); +#endif #if defined(CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC) /* Enable RTC32K clock */ rtc32k_enable(); diff --git a/arch/arm/include/asm/arch-am33xx/sys_proto.h b/arch/arm/include/asm/arch-am33xx/sys_proto.h index 4e942ba..0c5792b 100644 --- a/arch/arm/include/asm/arch-am33xx/sys_proto.h +++ b/arch/arm/include/asm/arch-am33xx/sys_proto.h @@ -45,3 +45,4 @@ int am335x_get_tps65910_mpu_vdd(int sil_rev, int frequency);
void enable_usb_clocks(int index); void disable_usb_clocks(int index); +void do_board_detect(void); diff --git a/board/ti/am335x/board.c b/board/ti/am335x/board.c index fc1353a..da9eab4 100644 --- a/board/ti/am335x/board.c +++ b/board/ti/am335x/board.c @@ -64,10 +64,16 @@ static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE; /* * Read header information from EEPROM into global structure. */ -static inline int __maybe_unused read_eeprom(void) +#ifdef CONFIG_TI_I2C_BOARD_DETECT +void do_board_detect(void) { - return ti_i2c_eeprom_am_get(-1, CONFIG_SYS_I2C_EEPROM_ADDR); + enable_i2c0_pin_mux(); + i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE); + + if (ti_i2c_eeprom_am_get(-1, CONFIG_SYS_I2C_EEPROM_ADDR)) + printf("ti_i2c_eeprom_init failed\n"); } +#endif
#ifndef CONFIG_DM_SERIAL struct serial_device *default_serial_console(void) @@ -248,9 +254,6 @@ void am33xx_spl_board_init(void) { int mpu_vdd;
- if (read_eeprom() < 0) - puts("Could not get board ID.\n"); - /* Get the frequency */ dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);
@@ -388,11 +391,6 @@ void am33xx_spl_board_init(void)
const struct dpll_params *get_dpll_ddr_params(void) { - enable_i2c0_pin_mux(); - i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE); - if (read_eeprom() < 0) - puts("Could not get board ID.\n"); - if (board_is_evm_sk()) return &dpll_ddr_evm_sk; else if (board_is_bone_lt() || board_is_icev2()) @@ -422,9 +420,6 @@ void set_uart_mux_conf(void)
void set_mux_conf_regs(void) { - if (read_eeprom() < 0) - puts("Could not get board ID.\n"); - enable_board_pin_mux(); }
@@ -462,9 +457,6 @@ const struct ctrl_ioregs ioregs = {
void sdram_init(void) { - if (read_eeprom() < 0) - puts("Could not get board ID.\n"); - if (board_is_evm_sk()) { /* * EVM SK 1.2A and later use gpio0_7 to enable DDR3. @@ -642,13 +634,8 @@ int board_late_init(void) #endif
#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG - int rc; char *name = NULL;
- rc = read_eeprom(); - if (rc) - puts("Could not get board ID.\n"); - if (board_is_bbg1()) name = "BBG1"; set_board_info_env(name); @@ -779,9 +766,6 @@ int board_eth_init(bd_t *bis) (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
#ifdef CONFIG_DRIVER_TI_CPSW - if (read_eeprom() < 0) - puts("Could not get board ID.\n"); - if (board_is_bone() || board_is_bone_lt() || board_is_idk()) { writel(MII_MODE_ENABLE, &cdev->miisel); diff --git a/board/ti/am43xx/board.c b/board/ti/am43xx/board.c index f04a06e..ba6f88f 100644 --- a/board/ti/am43xx/board.c +++ b/board/ti/am43xx/board.c @@ -39,10 +39,13 @@ static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE; /* * Read header information from EEPROM into global structure. */ -static inline int __maybe_unused read_eeprom(void) +#ifdef CONFIG_TI_I2C_BOARD_DETECT +void do_board_detect(void) { - return ti_i2c_eeprom_am_get(-1, CONFIG_SYS_I2C_EEPROM_ADDR); + if (ti_i2c_eeprom_am_get(-1, CONFIG_SYS_I2C_EEPROM_ADDR)) + printf("ti_i2c_eeprom_init failed\n"); } +#endif
#ifndef CONFIG_SKIP_LOWLEVEL_INIT
@@ -337,9 +340,6 @@ const struct dpll_params *get_dpll_ddr_params(void) { int ind = get_sys_clk_index();
- if (read_eeprom() < 0) - return NULL; - if (board_is_eposevm()) return &epos_evm_dpll_ddr[ind]; else if (board_is_evm() || board_is_sk()) @@ -495,9 +495,6 @@ void scale_vcores(void) { const struct dpll_params *mpu_params;
- if (read_eeprom() < 0) - puts("Could not get board ID.\n"); - /* Ensure I2C is initialized for PMIC configuration */ gpi2c_init();
@@ -537,8 +534,6 @@ static void enable_vtt_regulator(void)
void sdram_init(void) { - if (read_eeprom() < 0) - return; /* * EPOS EVM has 1GB LPDDR2 connected to EMIF. * GP EMV has 1GB DDR3 connected to EMIF