Initial commit of Open Source release

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 78 insertions, 0 deletions

diff --git a/include/ast.h b/include/ast.h
new file mode 100644
index 0000000..17ee17e
--- /dev/null
+++ b/include/ast.h
@@ -0,0 +1,78 @@
+/* Copyright 2013-2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * 	http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ * implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef __AST_H
+#define __AST_H
+
+/*
+ * AHB bus registers
+ */
+
+/* SPI Flash controller #1 (BMC) */
+#define BMC_SPI_FCTL_BASE	0x1E620000
+#define BMC_SPI_FCTL_CTRL	(BMC_SPI_FCTL_BASE + 0x10)
+#define BMC_FLASH_BASE		0x20000000
+
+/* SPI Flash controller #2 (PNOR) */
+#define PNOR_SPI_FCTL_BASE	0x1E630000
+#define PNOR_SPI_FCTL_CONF	(PNOR_SPI_FCTL_BASE + 0x00)
+#define PNOR_SPI_FCTL_CTRL	(PNOR_SPI_FCTL_BASE + 0x04)
+#define PNOR_FLASH_BASE		0x30000000
+
+/* LPC registers */
+#define LPC_BASE		0x1e789000
+#define LPC_HICR6		(LPC_BASE + 0x80)
+#define LPC_HICR7		(LPC_BASE + 0x88)
+#define LPC_HICR8		(LPC_BASE + 0x8c)
+
+/*
+ * AHB Accessors
+ */
+#ifndef __SKIBOOT__
+#include "io.h"
+#else
+
+/*
+ * Register accessors, return byteswapped values
+ * (IE. LE registers)
+ */
+void ast_ahb_writel(uint32_t val, uint32_t reg);
+uint32_t ast_ahb_readl(uint32_t reg);
+
+/*
+ * copy to/from accessors. Cannot cross IDSEL boundaries (256M)
+ */
+int ast_copy_to_ahb(uint32_t reg, const void *src, uint32_t len);
+int ast_copy_from_ahb(void *dst, uint32_t reg, uint32_t len);
+
+void ast_io_init(void);
+
+/* UART init */
+void ast_setup_uart1(uint16_t io_base, uint8_t irq);
+
+#endif /* __SKIBOOT__ */
+
+/*
+ * SPI Flash controllers
+ */
+#define AST_SF_TYPE_PNOR	0
+#define AST_SF_TYPE_BMC		1
+
+struct spi_flash_ctrl;
+int ast_sf_open(uint8_t type, struct spi_flash_ctrl **ctrl);
+void ast_sf_close(struct spi_flash_ctrl *ctrl);
+
+
+#endif /* __AST_H */