Merge branch 'master' of git://git.denx.de/u-boot-blackfin

5 files changed, 151 insertions, 49 deletions

diff --git a/include/asm-blackfin/blackfin-config-post.h b/include/asm-blackfin/blackfin-config-post.h
index 0ab68ac..21abd72 100644
--- a/include/asm-blackfin/blackfin-config-post.h
+++ b/include/asm-blackfin/blackfin-config-post.h
@@ -1,7 +1,7 @@
 /*
  * blackfin-config-post.h - setup common defines for Blackfin boards based on config.h
  *
- * Copyright (c) 2007 Analog Devices Inc.
+ * Copyright (c) 2007-2008 Analog Devices Inc.
  *
  * Licensed under the GPL-2 or later.
  */
@@ -9,11 +9,6 @@
 #ifndef __ASM_BLACKFIN_CONFIG_POST_H__
 #define __ASM_BLACKFIN_CONFIG_POST_H__
 
-/* Check to make sure everything fits in external RAM */
-#if ((CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN) > CONFIG_SYS_MAX_RAM_SIZE)
-# error Memory Map does not fit into configuration
-#endif
-
 /* Sanity check CONFIG_BFIN_CPU */
 #ifndef CONFIG_BFIN_CPU
 # error CONFIG_BFIN_CPU: your board config needs to define this
@@ -65,8 +60,81 @@
 #endif
 
 /* Using L1 scratch pad makes sense for everyone by default. */
-#ifndef CMD_LINE_ADDR
-# define CMD_LINE_ADDR L1_SRAM_SCRATCH
+#ifndef CONFIG_LINUX_CMDLINE_ADDR
+# define CONFIG_LINUX_CMDLINE_ADDR L1_SRAM_SCRATCH
+#endif
+#ifndef CONFIG_LINUX_CMDLINE_SIZE
+# define CONFIG_LINUX_CMDLINE_SIZE L1_SRAM_SCRATCH_SIZE
+#endif
+
+/* Default/common Blackfin memory layout */
+#ifndef CONFIG_SYS_SDRAM_BASE
+# define CONFIG_SYS_SDRAM_BASE 0
+#endif
+#ifndef CONFIG_SYS_MAX_RAM_SIZE
+# define CONFIG_SYS_MAX_RAM_SIZE (CONFIG_MEM_SIZE * 1024 * 1024)
+#endif
+#ifndef CONFIG_SYS_MONITOR_BASE
+# define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_MAX_RAM_SIZE - CONFIG_SYS_MONITOR_LEN)
+#endif
+#ifndef CONFIG_SYS_MALLOC_BASE
+# define CONFIG_SYS_MALLOC_BASE (CONFIG_SYS_MONITOR_BASE - CONFIG_SYS_MALLOC_LEN)
+#endif
+#ifndef CONFIG_SYS_GBL_DATA_SIZE
+# define CONFIG_SYS_GBL_DATA_SIZE (128)
+#endif
+#ifndef CONFIG_SYS_GBL_DATA_ADDR
+# define CONFIG_SYS_GBL_DATA_ADDR (CONFIG_SYS_MALLOC_BASE - CONFIG_SYS_GBL_DATA_SIZE)
+#endif
+#ifndef CONFIG_STACKBASE
+# define CONFIG_STACKBASE (CONFIG_SYS_GBL_DATA_ADDR - 4)
+#endif
+#ifndef CONFIG_SYS_MEMTEST_START
+# define CONFIG_SYS_MEMTEST_START 0
+#endif
+#ifndef CONFIG_SYS_MEMTEST_END
+# define CONFIG_SYS_MEMTEST_END (CONFIG_STACKBASE - 8192 + 4)
+#endif
+
+/* Check to make sure everything fits in external RAM */
+#if ((CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN) > CONFIG_SYS_MAX_RAM_SIZE)
+# error Memory Map does not fit into configuration
+#endif
+
+/* Default/common Blackfin environment settings */
+#ifndef CONFIG_LOADADDR
+# define CONFIG_LOADADDR 0x1000000
+#endif
+#ifndef CONFIG_SYS_LOAD_ADDR
+# define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
+#endif
+#ifndef CONFIG_SYS_BOOTM_LEN
+# define CONFIG_SYS_BOOTM_LEN 0x4000000
+#endif
+#ifndef CONFIG_SYS_PROMPT
+# define CONFIG_SYS_PROMPT "bfin> "
+#endif
+#ifndef CONFIG_SYS_CBSIZE
+# ifdef CONFIG_CMD_KGDB
+#  define CONFIG_SYS_CBSIZE 1024
+# else
+#  define CONFIG_SYS_CBSIZE 256
+# endif
+#endif
+#ifndef CONFIG_SYS_BARGSIZE
+# define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
+#endif
+#ifndef CONFIG_SYS_PBSIZE
+# define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
+#endif
+#ifndef CONFIG_SYS_MAXARGS
+# define CONFIG_SYS_MAXARGS 16
+#endif
+#ifndef CONFIG_SYS_HZ
+# define CONFIG_SYS_HZ 1000
+#endif
+#ifndef CONFIG_SYS_BAUDRATE_TABLE
+# define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
 #endif
 
 #endif
diff --git a/include/asm-blackfin/blackfin_local.h b/include/asm-blackfin/blackfin_local.h
index 6f0e662..c9ee91a 100644
--- a/include/asm-blackfin/blackfin_local.h
+++ b/include/asm-blackfin/blackfin_local.h
@@ -58,7 +58,7 @@ extern u_long get_sclk(void);
 
 extern void blackfin_icache_flush_range(const void *, const void *);
 extern void blackfin_dcache_flush_range(const void *, const void *);
-extern void blackfin_dcache_invalidate_range(const void *, const void *);
+extern void blackfin_dcache_flush_invalidate_range(const void *, const void *);
 
 /* Use DMA to move data from on chip to external memory.  While this is
  * required for only L1 instruction (it is not directly readable by the
diff --git a/include/asm-blackfin/mach-common/bits/bootrom.h b/include/asm-blackfin/mach-common/bits/bootrom.h
index 6cdaa4f..fb97ff8 100644
--- a/include/asm-blackfin/mach-common/bits/bootrom.h
+++ b/include/asm-blackfin/mach-common/bits/bootrom.h
@@ -88,27 +88,42 @@
 #define _BOOTROM_REV                   0xEF000040
 #define _BOOTROM_SESR                  0xEF001000
 
+#define BOOTROM_FOLLOWS_C_ABI 1
+
 #define BOOTROM_CAPS_ADI_BOOT_STRUCTS 1
 
-/* Not available on initial BF54x or BF52x */
-#if (defined(__ADSPBF54x__) && __SILICON_REVISION__ < 1) || \
-    (defined(__ADSPBF52x__) && __SILICON_REVISION__ < 2)
-#define BOOTROM_CAPS_SYSCONTROL 0
-#else
-#define BOOTROM_CAPS_SYSCONTROL 1
 #endif
 
+#ifndef BOOTROM_FOLLOWS_C_ABI
+#define BOOTROM_FOLLOWS_C_ABI 0
 #endif
-
 #ifndef BOOTROM_CAPS_ADI_BOOT_STRUCTS
 #define BOOTROM_CAPS_ADI_BOOT_STRUCTS 0
 #endif
-#ifndef BOOTROM_CAPS_SYSCONTROL
-#define BOOTROM_CAPS_SYSCONTROL 0
-#endif
+
+/* Possible syscontrol action flags */
+#define SYSCTRL_READ        0x00000000    /* read registers */
+#define SYSCTRL_WRITE       0x00000001    /* write registers */
+#define SYSCTRL_SYSRESET    0x00000002    /* perform system reset */
+#define SYSCTRL_CORERESET   0x00000004    /* perform core reset */
+#define SYSCTRL_SOFTRESET   0x00000006    /* perform core and system reset */
+#define SYSCTRL_VRCTL       0x00000010    /* read/write VR_CTL register */
+#define SYSCTRL_EXTVOLTAGE  0x00000020    /* VDDINT supplied externally */
+#define SYSCTRL_INTVOLTAGE  0x00000000    /* VDDINT generated by on-chip regulator */
+#define SYSCTRL_OTPVOLTAGE  0x00000040    /* For Factory Purposes Only */
+#define SYSCTRL_PLLCTL      0x00000100    /* read/write PLL_CTL register */
+#define SYSCTRL_PLLDIV      0x00000200    /* read/write PLL_DIV register */
+#define SYSCTRL_LOCKCNT     0x00000400    /* read/write PLL_LOCKCNT register */
+#define SYSCTRL_PLLSTAT     0x00000800    /* read/write PLL_STAT register */
 
 #ifndef __ASSEMBLY__
 
+#if BOOTROM_FOLLOWS_C_ABI
+# define BOOTROM_CALLED_FUNC_ATTR
+#else
+# define BOOTROM_CALLED_FUNC_ATTR __attribute__((saveall))
+#endif
+
 /* Structures for the syscontrol() function */
 typedef struct ADI_SYSCTRL_VALUES {
 	uint16_t uwVrCtl;
@@ -121,25 +136,26 @@ typedef struct ADI_SYSCTRL_VALUES {
 #ifndef _BOOTROM_SYSCONTROL
 #define _BOOTROM_SYSCONTROL 0
 #endif
-static uint32_t (* const syscontrol)(uint32_t action_flags, ADI_SYSCTRL_VALUES *power_settings, void *reserved) = (void *)_BOOTROM_SYSCONTROL;
-
-#endif /* __ASSEMBLY__ */
-
-/* Possible syscontrol action flags */
-#define SYSCTRL_READ        0x00000000    /* read registers */
-#define SYSCTRL_WRITE       0x00000001    /* write registers */
-#define SYSCTRL_SYSRESET    0x00000002    /* perform system reset */
-#define SYSCTRL_SOFTRESET   0x00000004    /* perform core and system reset */
-#define SYSCTRL_VRCTL       0x00000010    /* read/write VR_CTL register */
-#define SYSCTRL_EXTVOLTAGE  0x00000020    /* VDDINT supplied externally */
-#define SYSCTRL_INTVOLTAGE  0x00000000    /* VDDINT generated by on-chip regulator */
-#define SYSCTRL_OTPVOLTAGE  0x00000040    /* For Factory Purposes Only */
-#define SYSCTRL_PLLCTL      0x00000100    /* read/write PLL_CTL register */
-#define SYSCTRL_PLLDIV      0x00000200    /* read/write PLL_DIV register */
-#define SYSCTRL_LOCKCNT     0x00000400    /* read/write PLL_LOCKCNT register */
-#define SYSCTRL_PLLSTAT     0x00000800    /* read/write PLL_STAT register */
+static uint32_t (* const bfrom_SysControl)(uint32_t action_flags, ADI_SYSCTRL_VALUES *power_settings, void *reserved) = (void *)_BOOTROM_SYSCONTROL;
 
-#ifndef __ASSEMBLY__
+/* We need a dedicated function since we need to screw with the stack pointer
+ * when resetting.  The on-chip ROM will save/restore registers on the stack
+ * when doing a system reset, so the stack cannot be outside of the chip.
+ */
+__attribute__((__noreturn__))
+static inline void bfrom_SoftReset(void *new_stack)
+{
+	while (1)
+		__asm__ __volatile__(
+			"sp = %[stack];"
+			"jump (%[bfrom_syscontrol]);"
+			: : [bfrom_syscontrol] "p"(bfrom_SysControl),
+				"q0"(SYSCTRL_SOFTRESET),
+				"q1"(0),
+				"q2"(NULL),
+				[stack] "p"(new_stack)
+		);
+}
 
 /* Structures for working with LDRs and boot rom callbacks */
 typedef struct ADI_BOOT_HEADER {
diff --git a/include/asm-blackfin/mach-common/bits/ebiu.h b/include/asm-blackfin/mach-common/bits/ebiu.h
index ab530ad..af456fb 100644
--- a/include/asm-blackfin/mach-common/bits/ebiu.h
+++ b/include/asm-blackfin/mach-common/bits/ebiu.h
@@ -410,12 +410,31 @@
 
 /* EBIU_SDSTAT Masks */
 #define SDCI		0x0001		/* SDRAM controller is idle */
-#define SDSRA		0x0002		/* SDRAM SDRAM self refresh is active */
+#define SDSRA		0x0002		/* SDRAM self refresh is active */
 #define SDPUA		0x0004		/* SDRAM power up active */
 #define SDRS		0x0008		/* SDRAM is in reset state */
 #define SDEASE		0x0010		/* SDRAM EAB sticky error status - W1C */
 #define BGSTAT		0x0020		/* Bus granted */
 
+/* Only available on DDR based-parts */
+#else
+
+/* EBIU_ERRMST Masks */
+#define DEB0_ERROR	0x0001		/* DEB0 access on reserved memory */
+#define DEB1_ERROR	0x0002		/* DEB1 access on reserved memory */
+#define DEB2_ERROR	0x0004		/* DEB2 (USB) access on reserved memory */
+#define CORE_ERROR	0x0008		/* Core access on reserved memory */
+#define DEB0_MERROR	0x0010		/* DEB0 access on reserved memory and DEB0_ERROR is set */
+#define DEB1_MERROR	0x0020		/* DEB1 access on reserved memory and DEB1_ERROR is set */
+#define DEB2_MERROR	0x0040		/* DEB2 access on reserved memory and DEB2_ERROR is set */
+#define CORE_MERROR	0x0080		/* Core access on reserved memory and CORE_ERROR is set */
+
+/* EBIU_RSTCTL Masks */
+#define DDR_SRESET	0x0001		/* Reset Control to DDR Controller */
+#define SRREQ		0x0008		/* Self Refresh Request */
+#define SRACK		0x0010		/* Self Refresh Request Acknowledgement */
+#define MDDRENABLE	0x0020		/* Mobile DDR Enable */
+
 #endif /* EBIU_SDGCTL */
 
 #endif
diff --git a/include/asm-blackfin/mach-common/bits/otp.h b/include/asm-blackfin/mach-common/bits/otp.h
index d529a0a..4e3f1af 100644
--- a/include/asm-blackfin/mach-common/bits/otp.h
+++ b/include/asm-blackfin/mach-common/bits/otp.h
@@ -9,23 +9,22 @@
 
 #include "bootrom.h"
 
-static uint32_t (* const otp_command)(uint32_t command, uint32_t value) = (void *)_BOOTROM_OTP_COMMAND;
-static uint32_t (* const otp_read)(uint32_t page, uint32_t flags, uint64_t *page_content) = (void *)_BOOTROM_OTP_READ;
-static uint32_t (* const otp_write)(uint32_t page, uint32_t flags, uint64_t *page_content) = (void *)_BOOTROM_OTP_WRITE;
+static uint32_t (* const bfrom_OtpCommand)(uint32_t command, uint32_t value) = (void *)_BOOTROM_OTP_COMMAND;
+static uint32_t (* const bfrom_OtpRead)(uint32_t page, uint32_t flags, uint64_t *page_content) = (void *)_BOOTROM_OTP_READ;
+static uint32_t (* const bfrom_OtpWrite)(uint32_t page, uint32_t flags, uint64_t *page_content) = (void *)_BOOTROM_OTP_WRITE;
 
 #endif
 
 /* otp_command(): defines for "command" */
-#define OTP_INIT             0x00000001
-#define OTP_CLOSE            0x00000002
+#define OTP_INIT                 0x00000001
+#define OTP_CLOSE                0x00000002
 
 /* otp_{read,write}(): defines for "flags" */
-#define OTP_LOWER_HALF       0x00000000 /* select upper/lower 64-bit half (bit 0) */
-#define OTP_UPPER_HALF       0x00000001
-#define OTP_NO_ECC           0x00000010 /* do not use ECC */
-#define OTP_LOCK             0x00000020 /* sets page protection bit for page */
-#define OTP_ACCESS_READ      0x00001000
-#define OTP_ACCESS_READWRITE 0x00002000
+#define OTP_LOWER_HALF           0x00000000 /* select upper/lower 64-bit half (bit 0) */
+#define OTP_UPPER_HALF           0x00000001
+#define OTP_NO_ECC               0x00000010 /* do not use ECC */
+#define OTP_LOCK                 0x00000020 /* sets page protection bit for page */
+#define OTP_CHECK_FOR_PREV_WRITE 0x00000080
 
 /* Return values for all functions */
 #define OTP_SUCCESS          0x00000000