#ifndef __ASM_GBL_DATA_H
#define __ASM_GBL_DATA_H
-/*
- * The following data structure is placed in some memory wich is
- * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or
- * some locked parts of the data cache) to allow for a minimum set of
- * global variables during system initialization (until we have set
- * up the memory controller so that we can use RAM).
- *
- * Keep it *SMALL* and remember to set GENERATED_GBL_DATA_SIZE > sizeof(gd_t)
- */
#ifndef __ASSEMBLY__
-typedef struct global_data {
- bd_t *bd;
- unsigned long flags;
- unsigned long baudrate;
- unsigned long have_console; /* serial_init() was called */
- unsigned long reloc_off; /* Relocation Offset */
- unsigned long load_off; /* Load Offset */
- unsigned long env_addr; /* Address of Environment struct */
- unsigned long env_valid; /* Checksum of Environment valid? */
- unsigned long cpu_clk; /* CPU clock in Hz! */
- unsigned long bus_clk;
- unsigned long relocaddr; /* Start address of U-Boot in RAM */
- unsigned long start_addr_sp; /* start_addr_stackpointer */
- phys_size_t ram_size; /* RAM size */
- unsigned long reset_status; /* reset status register at boot */
- void **jt; /* jump table */
- char env_buf[32]; /* buffer for getenv() before reloc. */
-} gd_t;
-
-extern gd_t *gd;
+/* Architecture-specific global data */
+struct arch_global_data {
+ struct global_data *gd_addr; /* Location of Global Data */
+ uint64_t tsc_base; /* Initial value returned by rdtsc() */
+ uint32_t tsc_base_kclocks; /* Initial tsc as a kclocks value */
+ uint32_t tsc_prev; /* For show_boot_progress() */
+ void *new_fdt; /* Relocated FDT */
+};
#endif
-/* Word Offsets into Global Data - MUST match struct gd_t */
-#define GD_BD 0
-#define GD_FLAGS 1
-#define GD_BAUDRATE 2
-#define GD_HAVE_CONSOLE 3
-#define GD_RELOC_OFF 4
-#define GD_LOAD_OFF 5
-#define GD_ENV_ADDR 6
-#define GD_ENV_VALID 7
-#define GD_CPU_CLK 8
-#define GD_BUS_CLK 9
-#define GD_RELOC_ADDR 10
-#define GD_START_ADDR_SP 11
-#define GD_RAM_SIZE 12
-#define GD_RESET_STATUS 13
-#define GD_JT 14
+#include <asm-generic/global_data.h>
+
+#ifndef __ASSEMBLY__
+static inline gd_t *get_fs_gd_ptr(void)
+{
+ gd_t *gd_ptr;
-#define GD_SIZE 15
+ asm volatile("fs movl 0, %0\n" : "=r" (gd_ptr));
+
+ return gd_ptr;
+}
+
+#define gd get_fs_gd_ptr()
+
+#endif
/*
- * Global Data Flags
+ * Our private Global Data Flags
*/
-#define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */
-#define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */
-#define GD_FLG_SILENT 0x00004 /* Silent mode */
-#define GD_FLG_POSTFAIL 0x00008 /* Critical POST test failed */
-#define GD_FLG_POSTSTOP 0x00010 /* POST seqeunce aborted */
-#define GD_FLG_LOGINIT 0x00020 /* Log Buffer has been initialized */
-#define GD_FLG_DISABLE_CONSOLE 0x00040 /* Disable console (in & out) */
-#define GD_FLG_ENV_READY 0x00080 /* Environment imported into hash table */
#define GD_FLG_COLD_BOOT 0x00100 /* Cold Boot */
#define GD_FLG_WARM_BOOT 0x00200 /* Warm Boot */
-#if 0
#define DECLARE_GLOBAL_DATA_PTR
-#else
-#define XTRN_DECLARE_GLOBAL_DATA_PTR extern
-#define DECLARE_GLOBAL_DATA_PTR XTRN_DECLARE_GLOBAL_DATA_PTR \
-gd_t *gd
-#endif
#endif /* __ASM_GBL_DATA_H */