Merge tag 'u-boot-stm32-mcu-20190514' of https://github.com/pchotard/u-boot

[oweals/u-boot.git] / board / ti / am335x / board.h

diff --git a/board/ti/am335x/board.h b/board/ti/am335x/board.h
index 7985ab2c14fd1c2b60ea9201e138026646bf20ba..48df914af96cfdc4b05a4ef5bac552b3577bf2da 100644 (file)
--- a/board/ti/am335x/board.h
+++ b/board/ti/am335x/board.h
@@ -1,41 +1,84 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * board.h
  *
  * TI AM335x boards information header
  *
  * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
- *
- * 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.
  */
 
 #ifndef _BOARD_H_
 #define _BOARD_H_
 
-/*
- * TI AM335x parts 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.
+/**
+ * AM335X (EMIF_4D) EMIF REG_COS_COUNT_1, REG_COS_COUNT_2, and
+ * REG_PR_OLD_COUNT values to avoid LCDC DMA FIFO underflows and Frame
+ * Synchronization Lost errors. The values are the biggest that work
+ * reliably with offered video modes and the memory subsystem on the
+ * boards. These register have are briefly documented in "7.3.3.5.2
+ * Command Starvation" section of AM335x TRM. The REG_COS_COUNT_1 and
+ * REG_COS_COUNT_2 do not have any effect on current versions of
+ * AM335x.
  */
-#define HDR_NO_OF_MAC_ADDR     3
-#define HDR_ETH_ALEN           6
-#define HDR_NAME_LEN           8
-
-struct am335x_baseboard_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 EMIF_OCP_CONFIG_BEAGLEBONE_BLACK       0x00141414
+#define EMIF_OCP_CONFIG_AM335X_EVM             0x003d3d3d
+
+static inline int board_is_bone(void)
+{
+       return board_ti_is("A335BONE");
+}
+
+static inline int board_is_bone_lt(void)
+{
+       return board_ti_is("A335BNLT");
+}
+
+static inline int board_is_pb(void)
+{
+       return board_ti_is("A335PBGL");
+}
+
+static inline int board_is_bbg1(void)
+{
+       return board_is_bone_lt() && !strncmp(board_ti_get_rev(), "BBG1", 4);
+}
+
+static inline int board_is_bben(void)
+{
+       return board_is_bone_lt() && !strncmp(board_ti_get_rev(), "SE", 2);
+}
+
+static inline int board_is_beaglebonex(void)
+{
+       return board_is_pb() || board_is_bone() || board_is_bone_lt() ||
+              board_is_bbg1() || board_is_bben();
+}
+
+static inline int board_is_evm_sk(void)
+{
+       return board_ti_is("A335X_SK");
+}
+
+static inline int board_is_idk(void)
+{
+       return !strncmp(board_ti_get_config(), "SKU#02", 6);
+}
+
+static inline int board_is_gp_evm(void)
+{
+       return board_ti_is("A33515BB");
+}
+
+static inline int board_is_evm_15_or_later(void)
+{
+       return (board_is_gp_evm() &&
+               strncmp("1.5", board_ti_get_rev(), 3) <= 0);
+}
+
+static inline int board_is_icev2(void)
+{
+       return board_ti_is("A335_ICE") && !strncmp("2", board_ti_get_rev(), 1);
+}
 
 /*
  * We have three pin mux functions that must exist.  We must be able to enable
@@ -44,6 +87,11 @@ struct am335x_baseboard_id {
  * is required on the board.
  */
 void enable_uart0_pin_mux(void);
+void enable_uart1_pin_mux(void);
+void enable_uart2_pin_mux(void);
+void enable_uart3_pin_mux(void);
+void enable_uart4_pin_mux(void);
+void enable_uart5_pin_mux(void);
 void enable_i2c0_pin_mux(void);
-void enable_board_pin_mux(struct am335x_baseboard_id *header);
+void enable_board_pin_mux(void);
 #endif