Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / include / linux / mtd / omap_elm.h

diff --git a/qemu/roms/u-boot/include/linux/mtd/omap_elm.h b/qemu/roms/u-boot/include/linux/mtd/omap_elm.h
new file mode 100644 (file)
index 0000000..45454ea
--- /dev/null
+++ b/qemu/roms/u-boot/include/linux/mtd/omap_elm.h
@@ -0,0 +1,77 @@
+/*
+ * (C) Copyright 2010-2011 Texas Instruments, <www.ti.com>
+ * Mansoor Ahamed <mansoor.ahamed@ti.com>
+ *
+ * Derived from work done by Rohit Choraria <rohitkc@ti.com> for omap3
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+#ifndef __ASM_ARCH_ELM_H
+#define __ASM_ARCH_ELM_H
+/*
+ * ELM Module Registers
+ */
+
+/* ELM registers bit fields */
+#define ELM_SYSCONFIG_SOFTRESET_MASK                   (0x2)
+#define ELM_SYSCONFIG_SOFTRESET                        (0x2)
+#define ELM_SYSSTATUS_RESETDONE_MASK                   (0x1)
+#define ELM_SYSSTATUS_RESETDONE                        (0x1)
+#define ELM_LOCATION_CONFIG_ECC_BCH_LEVEL_MASK         (0x3)
+#define ELM_LOCATION_CONFIG_ECC_SIZE_MASK              (0x7FF0000)
+#define ELM_LOCATION_CONFIG_ECC_SIZE_POS               (16)
+#define ELM_SYNDROME_FRAGMENT_6_SYNDROME_VALID         (0x00010000)
+#define ELM_LOCATION_STATUS_ECC_CORRECTABLE_MASK       (0x100)
+#define ELM_LOCATION_STATUS_ECC_NB_ERRORS_MASK         (0x1F)
+
+#ifndef __ASSEMBLY__
+
+enum bch_level {
+       BCH_4_BIT = 0,
+       BCH_8_BIT,
+       BCH_16_BIT
+};
+
+
+/* BCH syndrome registers */
+struct syndrome {
+       u32 syndrome_fragment_x[7];     /* 0x400, 0x404.... 0x418 */
+       u8 res1[36];                    /* 0x41c */
+};
+
+/* BCH error status & location register */
+struct location {
+       u32 location_status;            /* 0x800 */
+       u8 res1[124];                   /* 0x804 */
+       u32 error_location_x[16];       /* 0x880.... */
+       u8 res2[64];                    /* 0x8c0 */
+};
+
+/* BCH ELM register map - do not try to allocate memmory for this structure.
+ * We have used plenty of reserved variables to fill the slots in the ELM
+ * register memory map.
+ * Directly initialize the struct pointer to ELM base address.
+ */
+struct elm {
+       u32 rev;                                /* 0x000 */
+       u8 res1[12];                            /* 0x004 */
+       u32 sysconfig;                          /* 0x010 */
+       u32 sysstatus;                          /* 0x014 */
+       u32 irqstatus;                          /* 0x018 */
+       u32 irqenable;                          /* 0x01c */
+       u32 location_config;                    /* 0x020 */
+       u8 res2[92];                            /* 0x024 */
+       u32 page_ctrl;                          /* 0x080 */
+       u8 res3[892];                           /* 0x084 */
+       struct  syndrome syndrome_fragments[8]; /* 0x400 */
+       u8 res4[512];                           /* 0x600 */
+       struct location  error_location[8];     /* 0x800 */
+};
+
+int elm_check_error(u8 *syndrome, u32 nibbles, u32 *error_count,
+               u32 *error_locations);
+int elm_config(enum bch_level level);
+void elm_reset(void);
+void elm_init(void);
+#endif /* __ASSEMBLY__ */
+#endif /* __ASM_ARCH_ELM_H */