board: ti: beagleboneai: add initial support

These are necessities for beaglebone ai boot. There is the addition of
CONFIG_SUPPORT_EMMC_CONFIG to the Kconfig file. This is present upstream
but not in 19.01 yet.

Signed-off-by: Jason Kridner <jdk@ti.com>
Signed-off-by: Caleb Robey <c-robey@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>

diff --git a/arch/arm/mach-omap2/omap5/hw_data.c b/arch/arm/mach-omap2/omap5/hw_data.c
index c4a41db..fa4e270 100644 (file)
--- a/arch/arm/mach-omap2/omap5/hw_data.c
+++ b/arch/arm/mach-omap2/omap5/hw_data.c
@@ -418,6 +418,7 @@ void enable_basic_clocks(void)
                (*prcm)->cm_l3init_hsmmc2_clkctrl,
                (*prcm)->cm_l4per_gptimer2_clkctrl,
                (*prcm)->cm_wkup_wdtimer2_clkctrl,
+               (*prcm)->cm_l4per_uart1_clkctrl,
                (*prcm)->cm_l4per_uart3_clkctrl,
                (*prcm)->cm_l4per_i2c1_clkctrl,
 #ifdef CONFIG_DRIVER_TI_CPSW

diff --git a/board/ti/am57xx/board.c b/board/ti/am57xx/board.c
index 52f5e95..04bc60c 100644 (file)
--- a/board/ti/am57xx/board.c
+++ b/board/ti/am57xx/board.c
@@ -54,6 +54,7 @@ static int board_bootmode_has_emmc(void);
 #define board_is_am574x_idk()  board_ti_is("AM574IDK")
 #define board_is_am572x_idk()  board_ti_is("AM572IDK")
 #define board_is_am571x_idk()  board_ti_is("AM571IDK")
+#define board_is_bbai()                board_ti_is("BBONE-AI")
 
 #ifdef CONFIG_DRIVER_TI_CPSW
 #include <cpsw.h>
@@ -103,12 +104,19 @@ static const struct dmm_lisa_map_regs am574x_idk_lisa_regs = {
        .is_ma_present  = 0x1
 };
 
+static const struct dmm_lisa_map_regs bbai_lisa_regs = {
+       .dmm_lisa_map_3 = 0x80640100,
+       .is_ma_present  = 0x1
+};
+
 void emif_get_dmm_regs(const struct dmm_lisa_map_regs **dmm_lisa_regs)
 {
        if (board_is_am571x_idk())
                *dmm_lisa_regs = &am571x_idk_lisa_regs;
        else if (board_is_am574x_idk())
                *dmm_lisa_regs = &am574x_idk_lisa_regs;
+       else if (board_is_bbai())
+               *dmm_lisa_regs = &bbai_lisa_regs;
        else
                *dmm_lisa_regs = &beagle_x15_lisa_regs;
 }
@@ -553,6 +561,8 @@ void do_board_detect(void)
                bname = "AM572x IDK";
        else if (board_is_am571x_idk())
                bname = "AM571x IDK";
+       else if (board_is_bbai())
+               bname = "BeagleBone AI";
 
        if (bname)
                snprintf(sysinfo.board_string, SYSINFO_BOARD_NAME_MAX_LEN,
@@ -587,6 +597,8 @@ static void setup_board_eeprom_env(void)
                name = "am572x_idk";
        } else if (board_is_am571x_idk()) {
                name = "am571x_idk";
+       } else if (board_is_bbai()) {
+               name = "am5729_beagleboneai";
        } else {
                printf("Unidentified board claims %s in eeprom header\n",
                       board_ti_get_name());
@@ -650,7 +662,7 @@ void am57x_idk_lcd_detect(void)
        struct udevice *dev;
 
        /* Only valid for IDKs */
-       if (board_is_x15() || board_is_am572x_evm())
+       if (board_is_x15() || board_is_am572x_evm() ||  board_is_bbai())
                return;
 
        /* Only AM571x IDK has gpio control detect.. so check that */
@@ -748,6 +760,9 @@ int board_late_init(void)
        /* Just probe the potentially supported cdce913 device */
        uclass_get_device(UCLASS_CLK, 0, &dev);
 
+       if (board_is_bbai())
+               env_set("console", "ttyS0,115200n8");
+
 #if !defined(CONFIG_SPL_BUILD)
        board_ti_set_ethaddr(2);
 #endif
@@ -795,6 +810,11 @@ void recalibrate_iodelay(void)
                pconf_sz = ARRAY_SIZE(core_padconf_array_essential_am571x_idk);
                iod = iodelay_cfg_array_am571x_idk;
                iod_sz = ARRAY_SIZE(iodelay_cfg_array_am571x_idk);
+       } else if (board_is_bbai()) {
+               pconf = core_padconf_array_essential_bbai;
+               pconf_sz = ARRAY_SIZE(core_padconf_array_essential_bbai);
+               iod = iodelay_cfg_array_bbai;
+               iod_sz = ARRAY_SIZE(iodelay_cfg_array_bbai);
        } else {
                /* Common for X15/GPEVM */
                pconf = core_padconf_array_essential_x15;
@@ -1123,6 +1143,8 @@ int board_fit_config_name_match(const char *name)
                return 0;
        } else if (board_is_am571x_idk() && !strcmp(name, "am571x-idk")) {
                return 0;
+       } else if (board_is_bbai() && !strcmp(name, "am5729-beagleboneai")) {
+               return 0;
        }
 
        return -1;

diff --git a/include/configs/am57xx_evm.h b/include/configs/am57xx_evm.h
index cdab924..75e7292 100644 (file)
--- a/include/configs/am57xx_evm.h
+++ b/include/configs/am57xx_evm.h
@@ -22,7 +22,6 @@
 
 #define CONFIG_SYS_BOOTM_LEN           SZ_64M
 
-#define CONSOLEDEV                     "ttyS2"
 #define CONFIG_SYS_NS16550_COM1                UART1_BASE      /* Base EVM has UART0 */
 #define CONFIG_SYS_NS16550_COM2                UART2_BASE      /* UART2 */
 #define CONFIG_SYS_NS16550_COM3                UART3_BASE      /* UART3 */