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-rw-r--r--board/ti/am43xx/Kconfig2
-rw-r--r--board/ti/am43xx/board.c87
-rw-r--r--board/ti/am43xx/board.h37
-rw-r--r--board/ti/am43xx/mux.c1
4 files changed, 38 insertions, 89 deletions
diff --git a/board/ti/am43xx/Kconfig b/board/ti/am43xx/Kconfig
index 8d1c168..9cb80cc 100644
--- a/board/ti/am43xx/Kconfig
+++ b/board/ti/am43xx/Kconfig
@@ -12,4 +12,6 @@ config SYS_SOC
config SYS_CONFIG_NAME
default "am43xx_evm"
+source "board/ti/common/Kconfig"
+
endif
diff --git a/board/ti/am43xx/board.c b/board/ti/am43xx/board.c
index 770726c..d208d2f 100644
--- a/board/ti/am43xx/board.c
+++ b/board/ti/am43xx/board.c
@@ -19,6 +19,7 @@
#include <asm/arch/ddr_defs.h>
#include <asm/arch/gpio.h>
#include <asm/emif.h>
+#include "../common/board_detect.h"
#include "board.h"
#include <power/pmic.h>
#include <power/tps65218.h>
@@ -37,48 +38,9 @@ static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
/*
* Read header information from EEPROM into global structure.
*/
-static int read_eeprom(struct am43xx_board_id *header)
+static inline int __maybe_unused read_eeprom(void)
{
- /* Check if baseboard eeprom is available */
- if (i2c_probe(CONFIG_SYS_I2C_EEPROM_ADDR)) {
- printf("Could not probe the EEPROM at 0x%x\n",
- CONFIG_SYS_I2C_EEPROM_ADDR);
- return -ENODEV;
- }
-
- /* read the eeprom using i2c */
- if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0, 2, (uchar *)header,
- sizeof(struct am43xx_board_id))) {
- printf("Could not read the EEPROM\n");
- return -EIO;
- }
-
- if (header->magic != 0xEE3355AA) {
- /*
- * read the eeprom using i2c again,
- * but use only a 1 byte address
- */
- if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0, 1, (uchar *)header,
- sizeof(struct am43xx_board_id))) {
- printf("Could not read the EEPROM at 0x%x\n",
- CONFIG_SYS_I2C_EEPROM_ADDR);
- return -EIO;
- }
-
- if (header->magic != 0xEE3355AA) {
- printf("Incorrect magic number (0x%x) in EEPROM\n",
- header->magic);
- return -EINVAL;
- }
- }
-
- strncpy(am43xx_board_name, (char *)header->name, sizeof(header->name));
- am43xx_board_name[sizeof(header->name)] = 0;
-
- strncpy(am43xx_board_rev, (char *)header->version, sizeof(header->version));
- am43xx_board_rev[sizeof(header->version)] = 0;
-
- return 0;
+ return ti_i2c_eeprom_am_get(-1, CONFIG_SYS_I2C_EEPROM_ADDR);
}
#ifndef CONFIG_SKIP_LOWLEVEL_INIT
@@ -374,6 +336,9 @@ 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_gpevm() || board_is_sk())
@@ -381,7 +346,7 @@ const struct dpll_params *get_dpll_ddr_params(void)
else if (board_is_idk())
return &idk_dpll_ddr;
- printf(" Board '%s' not supported\n", am43xx_board_name);
+ printf(" Board '%s' not supported\n", board_ti_get_name());
return NULL;
}
@@ -512,16 +477,29 @@ void scale_vcores_idk(u32 m)
}
}
+void gpi2c_init(void)
+{
+ /* When needed to be invoked prior to BSS initialization */
+ static bool first_time = true;
+
+ if (first_time) {
+ enable_i2c0_pin_mux();
+ i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED,
+ CONFIG_SYS_OMAP24_I2C_SLAVE);
+ first_time = false;
+ }
+}
+
void scale_vcores(void)
{
const struct dpll_params *mpu_params;
- struct am43xx_board_id header;
- enable_i2c0_pin_mux();
- i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
- if (read_eeprom(&header) < 0)
+ if (read_eeprom() < 0)
puts("Could not get board ID.\n");
+ /* Ensure I2C is initialized for PMIC configuration */
+ gpi2c_init();
+
/* Get the frequency */
mpu_params = get_dpll_mpu_params();
@@ -558,6 +536,8 @@ 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
@@ -655,20 +635,7 @@ int board_init(void)
int board_late_init(void)
{
#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
- char safe_string[HDR_NAME_LEN + 1];
- struct am43xx_board_id header;
-
- if (read_eeprom(&header) < 0)
- puts("Could not get board ID.\n");
-
- /* Now set variables based on the header. */
- strncpy(safe_string, (char *)header.name, sizeof(header.name));
- safe_string[sizeof(header.name)] = 0;
- setenv("board_name", safe_string);
-
- strncpy(safe_string, (char *)header.version, sizeof(header.version));
- safe_string[sizeof(header.version)] = 0;
- setenv("board_rev", safe_string);
+ set_board_info_env(NULL);
#endif
return 0;
}
diff --git a/board/ti/am43xx/board.h b/board/ti/am43xx/board.h
index eb9493e..2cf7a77 100644
--- a/board/ti/am43xx/board.h
+++ b/board/ti/am43xx/board.h
@@ -14,58 +14,37 @@
#include <asm/arch/omap.h>
-static char *const am43xx_board_name = (char *)AM4372_BOARD_NAME_START;
-static char *const am43xx_board_rev = (char *)AM4372_BOARD_VERSION_START;
-
-/*
- * TI AM437x EVMs define a system EEPROM that defines certain sub-fields.
- * We use these fields to in turn see what board we are on, and what
- * that might require us to set or not set.
- */
-#define HDR_NO_OF_MAC_ADDR 3
-#define HDR_ETH_ALEN 6
-#define HDR_NAME_LEN 8
-
-#define DEV_ATTR_MAX_OFFSET 5
-#define DEV_ATTR_MIN_OFFSET 0
-
-struct am43xx_board_id {
- unsigned int magic;
- char name[HDR_NAME_LEN];
- char version[4];
- char serial[12];
- char config[32];
- char mac_addr[HDR_NO_OF_MAC_ADDR][HDR_ETH_ALEN];
-};
+#define DEV_ATTR_MAX_OFFSET 5
+#define DEV_ATTR_MIN_OFFSET 0
static inline int board_is_eposevm(void)
{
- return !strncmp(am43xx_board_name, "AM43EPOS", HDR_NAME_LEN);
+ return board_ti_is("AM43EPOS");
}
static inline int board_is_gpevm(void)
{
- return !strncmp(am43xx_board_name, "AM43__GP", HDR_NAME_LEN);
+ return board_ti_is("AM43__GP");
}
static inline int board_is_sk(void)
{
- return !strncmp(am43xx_board_name, "AM43__SK", HDR_NAME_LEN);
+ return board_ti_is("AM43__SK");
}
static inline int board_is_idk(void)
{
- return !strncmp(am43xx_board_name, "AM43_IDK", HDR_NAME_LEN);
+ return board_ti_is("AM43_IDK");
}
static inline int board_is_evm_14_or_later(void)
{
- return (board_is_gpevm() && strncmp("1.4", am43xx_board_rev, 3) <= 0);
+ return (board_is_gpevm() && strncmp("1.4", board_ti_get_rev(), 3) <= 0);
}
static inline int board_is_evm_12_or_later(void)
{
- return (board_is_gpevm() && strncmp("1.2", am43xx_board_rev, 3) <= 0);
+ return (board_is_gpevm() && strncmp("1.2", board_ti_get_rev(), 3) <= 0);
}
void enable_uart0_pin_mux(void);
diff --git a/board/ti/am43xx/mux.c b/board/ti/am43xx/mux.c
index 510477d..e03b1bc 100644
--- a/board/ti/am43xx/mux.c
+++ b/board/ti/am43xx/mux.c
@@ -9,6 +9,7 @@
#include <common.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/mux.h>
+#include "../common/board_detect.h"
#include "board.h"
static struct module_pin_mux rmii1_pin_mux[] = {
generated by cgit v1.1 at 2024-11-28 17:18:46 +0000