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authorfishsoupisgood <github@madingley.org>2019-04-29 01:17:54 +0100
committerfishsoupisgood <github@madingley.org>2019-05-27 03:43:43 +0100
commit3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch)
tree65ca85f13617aee1dce474596800950f266a456c /roms/u-boot/board/ti/am335x/board.h
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Initial import of qemu-2.4.1HEADmaster
Diffstat (limited to 'roms/u-boot/board/ti/am335x/board.h')
-rw-r--r--roms/u-boot/board/ti/am335x/board.h77
1 files changed, 77 insertions, 0 deletions
diff --git a/roms/u-boot/board/ti/am335x/board.h b/roms/u-boot/board/ti/am335x/board.h
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--- /dev/null
+++ b/roms/u-boot/board/ti/am335x/board.h
@@ -0,0 +1,77 @@
+/*
+ * board.h
+ *
+ * TI AM335x boards information header
+ *
+ * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#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.
+ */
+#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];
+};
+
+static inline int board_is_bone(struct am335x_baseboard_id *header)
+{
+ return !strncmp(header->name, "A335BONE", HDR_NAME_LEN);
+}
+
+static inline int board_is_bone_lt(struct am335x_baseboard_id *header)
+{
+ return !strncmp(header->name, "A335BNLT", HDR_NAME_LEN);
+}
+
+static inline int board_is_evm_sk(struct am335x_baseboard_id *header)
+{
+ return !strncmp("A335X_SK", header->name, HDR_NAME_LEN);
+}
+
+static inline int board_is_idk(struct am335x_baseboard_id *header)
+{
+ return !strncmp(header->config, "SKU#02", 6);
+}
+
+static inline int board_is_gp_evm(struct am335x_baseboard_id *header)
+{
+ return !strncmp("A33515BB", header->name, HDR_NAME_LEN);
+}
+
+static inline int board_is_evm_15_or_later(struct am335x_baseboard_id *header)
+{
+ return (board_is_gp_evm(header) &&
+ strncmp("1.5", header->version, 3) <= 0);
+}
+
+/*
+ * We have three pin mux functions that must exist. We must be able to enable
+ * uart0, for initial output and i2c0 to read the main EEPROM. We then have a
+ * main pinmux function that can be overridden to enable all other pinmux that
+ * 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);
+#endif