10 files changed, 103 insertions, 183 deletions

diff --git a/include/asm-arm/arch-mxc/board-mx31ads.h b/include/asm-arm/arch-mxc/board-mx31ads.h
index be29b83ad4ae..8590127760a8 100644
--- a/include/asm-arm/arch-mxc/board-mx31ads.h
+++ b/include/asm-arm/arch-mxc/board-mx31ads.h
@@ -11,107 +11,77 @@
 #ifndef __ASM_ARCH_MXC_BOARD_MX31ADS_H__
 #define __ASM_ARCH_MXC_BOARD_MX31ADS_H__
 
-/*!
- * @name PBC Controller parameters
- */
-/*! @{ */
-/*!
- * Base address of PBC controller
- */
+/* Base address of PBC controller */
 #define PBC_BASE_ADDRESS        IO_ADDRESS(CS4_BASE_ADDR)
 /* Offsets for the PBC Controller register */
-/*!
- * PBC Board status register offset
- */
+
+/* PBC Board status register offset */
 #define PBC_BSTAT               0x000002
-/*!
- * PBC Board control register 1 set address.
- */
+
+/* PBC Board control register 1 set address */
 #define PBC_BCTRL1_SET          0x000004
-/*!
- * PBC Board control register 1 clear address.
- */
+
+/* PBC Board control register 1 clear address */
 #define PBC_BCTRL1_CLEAR        0x000006
-/*!
- * PBC Board control register 2 set address.
- */
+
+/* PBC Board control register 2 set address */
 #define PBC_BCTRL2_SET          0x000008
-/*!
- * PBC Board control register 2 clear address.
- */
+
+/* PBC Board control register 2 clear address */
 #define PBC_BCTRL2_CLEAR        0x00000A
-/*!
- * PBC Board control register 3 set address.
- */
+
+/* PBC Board control register 3 set address */
 #define PBC_BCTRL3_SET          0x00000C
-/*!
- * PBC Board control register 3 clear address.
- */
+
+/* PBC Board control register 3 clear address */
 #define PBC_BCTRL3_CLEAR        0x00000E
-/*!
- * PBC Board control register 4 set address.
- */
+
+/* PBC Board control register 4 set address */
 #define PBC_BCTRL4_SET          0x000010
-/*!
- * PBC Board control register 4 clear address.
- */
+
+/* PBC Board control register 4 clear address */
 #define PBC_BCTRL4_CLEAR        0x000012
-/*!
- * PBC Board status register 1.
- */
+
+/* PBC Board status register 1 */
 #define PBC_BSTAT1              0x000014
-/*!
- * PBC Board interrupt status register.
- */
+
+/* PBC Board interrupt status register */
 #define PBC_INTSTATUS           0x000016
-/*!
- * PBC Board interrupt current status register.
- */
+
+/* PBC Board interrupt current status register */
 #define PBC_INTCURR_STATUS      0x000018
-/*!
- * PBC Interrupt mask register set address.
- */
+
+/* PBC Interrupt mask register set address */
 #define PBC_INTMASK_SET         0x00001A
-/*!
- * PBC Interrupt mask register clear address.
- */
+
+/* PBC Interrupt mask register clear address */
 #define PBC_INTMASK_CLEAR       0x00001C
 
-/*!
- * External UART A.
- */
+/* External UART A */
 #define PBC_SC16C652_UARTA      0x010000
-/*!
- * External UART B.
- */
+
+/* External UART B */
 #define PBC_SC16C652_UARTB      0x010010
-/*!
- * Ethernet Controller IO base address.
- */
+
+/* Ethernet Controller IO base address */
 #define PBC_CS8900A_IOBASE      0x020000
-/*!
- * Ethernet Controller Memory base address.
- */
+
+/* Ethernet Controller Memory base address */
 #define PBC_CS8900A_MEMBASE     0x021000
-/*!
- * Ethernet Controller DMA base address.
- */
+
+/* Ethernet Controller DMA base address */
 #define PBC_CS8900A_DMABASE     0x022000
-/*!
- * External chip select 0.
- */
+
+/* External chip select 0 */
 #define PBC_XCS0                0x040000
-/*!
- * LCD Display enable.
- */
+
+/* LCD Display enable */
 #define PBC_LCD_EN_B            0x060000
-/*!
- * Code test debug enable.
- */
+
+/* Code test debug enable */
 #define PBC_CODE_B              0x070000
-/*!
- * PSRAM memory select.
- */
+
+/* PSRAM memory select */
 #define PBC_PSRAM_B             0x5000000
 
 #define PBC_INTSTATUS_REG       (PBC_INTSTATUS + PBC_BASE_ADDRESS)
@@ -139,4 +109,4 @@
 
 #define MXC_MAX_EXP_IO_LINES    16
 
-#endif                          /* __ASM_ARCH_MXC_BOARD_MX31ADS_H__ */
+#endif /* __ASM_ARCH_MXC_BOARD_MX31ADS_H__ */
diff --git a/include/asm-arm/arch-mxc/dma.h b/include/asm-arm/arch-mxc/dma.h
index 65e639d51d2b..c822d569a05e 100644
--- a/include/asm-arm/arch-mxc/dma.h
+++ b/include/asm-arm/arch-mxc/dma.h
@@ -11,11 +11,4 @@
 #ifndef __ASM_ARCH_MXC_DMA_H__
 #define __ASM_ARCH_MXC_DMA_H__
 
-/*!
- * @file dma.h
- * @brief This file contains Unified DMA API for all MXC platforms.
- * The API is platform independent.
- *
- * @ingroup SDMA
- */
 #endif
diff --git a/include/asm-arm/arch-mxc/hardware.h b/include/asm-arm/arch-mxc/hardware.h
index 3c09b92fef0d..e87ff0679d5e 100644
--- a/include/asm-arm/arch-mxc/hardware.h
+++ b/include/asm-arm/arch-mxc/hardware.h
@@ -8,45 +8,24 @@
  * published by the Free Software Foundation.
  */
 
-/*!
- * @file hardware.h
- * @brief This file contains the hardware definitions of the board.
- *
- * @ingroup System
- */
 #ifndef __ASM_ARCH_MXC_HARDWARE_H__
 #define __ASM_ARCH_MXC_HARDWARE_H__
 
 #include <asm/sizes.h>
 
-#include <asm/arch/mx31.h>
+#ifdef CONFIG_ARCH_MX3
+# include <asm/arch/mx31.h>
+#endif
 
 #include <asm/arch/mxc.h>
 
-#define MXC_MAX_GPIO_LINES      (GPIO_NUM_PIN * GPIO_PORT_NUM)
-
 /*
  * ---------------------------------------------------------------------------
  * Board specific defines
  * ---------------------------------------------------------------------------
  */
-#define MXC_EXP_IO_BASE         (MXC_GPIO_INT_BASE + MXC_MAX_GPIO_LINES)
-
-#include <asm/arch/board-mx31ads.h>
-
-#ifndef MXC_MAX_EXP_IO_LINES
-#define MXC_MAX_EXP_IO_LINES 0
+#ifdef CONFIG_MACH_MX31ADS
+# include <asm/arch/board-mx31ads.h>
 #endif
 
-#define MXC_MAX_VIRTUAL_INTS    16
-#define MXC_VIRTUAL_INTS_BASE   (MXC_EXP_IO_BASE + MXC_MAX_EXP_IO_LINES)
-#define MXC_SDIO1_CARD_IRQ      MXC_VIRTUAL_INTS_BASE
-#define MXC_SDIO2_CARD_IRQ      (MXC_VIRTUAL_INTS_BASE + 1)
-#define MXC_SDIO3_CARD_IRQ      (MXC_VIRTUAL_INTS_BASE + 2)
-
-#define MXC_MAX_INTS            (MXC_MAX_INT_LINES + \
-                                MXC_MAX_GPIO_LINES + \
-                                MXC_MAX_EXP_IO_LINES + \
-                                MXC_MAX_VIRTUAL_INTS)
-
-#endif                          /* __ASM_ARCH_MXC_HARDWARE_H__ */
+#endif /* __ASM_ARCH_MXC_HARDWARE_H__ */
diff --git a/include/asm-arm/arch-mxc/io.h b/include/asm-arm/arch-mxc/io.h
index cf6c83a4b9f7..65b6810124c1 100644
--- a/include/asm-arm/arch-mxc/io.h
+++ b/include/asm-arm/arch-mxc/io.h
@@ -8,24 +8,13 @@
  * published by the Free Software Foundation.
  */
 
-/*!
- * @file io.h
- * @brief This file contains some memory mapping macros.
- * @note There is no real ISA or PCI buses. But have to define these macros
- * for some drivers to compile.
- *
- * @ingroup System
- */
-
 #ifndef __ASM_ARCH_MXC_IO_H__
 #define __ASM_ARCH_MXC_IO_H__
 
-/*! Allow IO space to be anywhere in the memory */
+/* Allow IO space to be anywhere in the memory */
 #define IO_SPACE_LIMIT 0xffffffff
 
-/*!
- * io address mapping macro
- */
+/* io address mapping macro */
 #define __io(a)                 ((void __iomem *)(a))
 
 #define __mem_pci(a)            (a)
diff --git a/include/asm-arm/arch-mxc/irqs.h b/include/asm-arm/arch-mxc/irqs.h
index e4686c6bc4bf..b2c5205e1962 100644
--- a/include/asm-arm/arch-mxc/irqs.h
+++ b/include/asm-arm/arch-mxc/irqs.h
@@ -13,26 +13,17 @@
 
 #include <asm/hardware.h>
 
-/*!
- * @file irqs.h
- * @brief This file defines the number of normal interrupts and fast interrupts
- *
- * @ingroup Interrupt
- */
-
 #define MXC_IRQ_TO_EXPIO(irq)   ((irq) - MXC_EXP_IO_BASE)
 
 #define MXC_IRQ_TO_GPIO(irq)    ((irq) - MXC_GPIO_INT_BASE)
 #define MXC_GPIO_TO_IRQ(x)      (MXC_GPIO_INT_BASE + x)
 
-/*!
- * Number of normal interrupts
- */
-#define NR_IRQS         MXC_MAX_INTS
+/* Number of normal interrupts */
+#define NR_IRQS         (MXC_MAX_INT_LINES + \
+                        MXC_MAX_GPIO_LINES + \
+                        MXC_MAX_VIRTUAL_INTS)
 
-/*!
- * Number of fast interrupts
- */
+/* Number of fast interrupts */
 #define NR_FIQS         MXC_MAX_INTS
 
-#endif                          /* __ASM_ARCH_MXC_IRQS_H__ */
+#endif /* __ASM_ARCH_MXC_IRQS_H__ */
diff --git a/include/asm-arm/arch-mxc/memory.h b/include/asm-arm/arch-mxc/memory.h
index c89aac83a407..059f83023a10 100644
--- a/include/asm-arm/arch-mxc/memory.h
+++ b/include/asm-arm/arch-mxc/memory.h
@@ -13,24 +13,17 @@
 
 #include <asm/hardware.h>
 
-/*!
- * @file memory.h
- * @brief This file contains macros needed by the Linux kernel and drivers.
- *
- * @ingroup Memory
- */
-
-/*!
+/*
  * Virtual view <-> DMA view memory address translations
  * This macro is used to translate the virtual address to an address
  * suitable to be passed to set_dma_addr()
  */
 #define __virt_to_bus(a)        __virt_to_phys(a)
 
-/*!
+/*
  * Used to convert an address for DMA operations to an address that the
  * kernel can use.
  */
 #define __bus_to_virt(a)        __phys_to_virt(a)
 
-#endif                          /* __ASM_ARCH_MXC_MEMORY_H__ */
+#endif /* __ASM_ARCH_MXC_MEMORY_H__ */
diff --git a/include/asm-arm/arch-mxc/mx31.h b/include/asm-arm/arch-mxc/mx31.h
index 85c49c9e5d15..36a1af495bb3 100644
--- a/include/asm-arm/arch-mxc/mx31.h
+++ b/include/asm-arm/arch-mxc/mx31.h
@@ -317,6 +317,8 @@
 #define MXC_MAX_INT_LINES       64
 
 #define MXC_GPIO_INT_BASE       MXC_MAX_INT_LINES
+#define MXC_MAX_GPIO_LINES      (GPIO_NUM_PIN * GPIO_PORT_NUM)
+#define MXC_MAX_VIRTUAL_INTS    16
 
 /*!
  * Number of GPIO port as defined in the IC Spec
@@ -329,7 +331,33 @@
 
 #define PROD_SIGNATURE          0x1     /* For MX31 */
 
+/* silicon revisions specific to i.MX31 */
+#define CHIP_REV_1_0            0x10
+#define CHIP_REV_1_1            0x11
+#define CHIP_REV_1_2            0x12
+#define CHIP_REV_1_3            0x13
+#define CHIP_REV_2_0            0x20
+#define CHIP_REV_2_1            0x21
+#define CHIP_REV_2_2            0x22
+#define CHIP_REV_2_3            0x23
+#define CHIP_REV_3_0            0x30
+#define CHIP_REV_3_1            0x31
+#define CHIP_REV_3_2            0x32
+
 #define SYSTEM_REV_MIN          CHIP_REV_1_0
 #define SYSTEM_REV_NUM          3
 
-#endif                  /*  __ASM_ARCH_MXC_MX31_H__ */
+#if !defined(__ASSEMBLY__) && !defined(__MXC_BOOT_UNCOMPRESS)
+
+/* this is a i.MX31 CPU */
+#define cpu_is_mx31()           (1)
+
+extern unsigned int system_rev;
+
+static inline int mx31_revision(void)
+{
+        return system_rev;
+}
+#endif
+
+#endif /*  __ASM_ARCH_MXC_MX31_H__ */
diff --git a/include/asm-arm/arch-mxc/mxc.h b/include/asm-arm/arch-mxc/mxc.h
index 0837f1f9ca31..146d3f60951a 100644
--- a/include/asm-arm/arch-mxc/mxc.h
+++ b/include/asm-arm/arch-mxc/mxc.h
@@ -15,6 +15,11 @@
 #error "Do not include directly."
 #endif
 
+/* clean up all things that are not used */
+#ifndef CONFIG_ARCH_MX3
+# define cpu_is_mx31() (0)
+#endif
+
 /*
  *****************************************
  * GPT  Register definitions             *
@@ -31,9 +36,7 @@
 #define MXC_GPT_GPTICR2         IO_ADDRESS(GPT1_BASE_ADDR + 0x20)
 #define MXC_GPT_GPTCNT          IO_ADDRESS(GPT1_BASE_ADDR + 0x24)
 
-/*!
- * GPT Control register bit definitions
- */
+/* GPT Control register bit definitions */
 #define GPTCR_FO3                       (1 << 31)
 #define GPTCR_FO2                       (1 << 30)
 #define GPTCR_FO1                       (1 << 29)
@@ -146,4 +149,4 @@
 #define IIM_PROD_REV_SH         3
 #define IIM_PROD_REV_LEN        5
 
-#endif                          /*  __ASM_ARCH_MXC_H__ */
+#endif /*  __ASM_ARCH_MXC_H__ */
diff --git a/include/asm-arm/arch-mxc/system.h b/include/asm-arm/arch-mxc/system.h
index 109956b41aca..bbfc37465fc5 100644
--- a/include/asm-arm/arch-mxc/system.h
+++ b/include/asm-arm/arch-mxc/system.h
@@ -21,30 +21,14 @@
 #ifndef __ASM_ARCH_MXC_SYSTEM_H__
 #define __ASM_ARCH_MXC_SYSTEM_H__
 
-/*!
- * @file system.h
- * @brief This file contains idle and reset functions.
- *
- * @ingroup System
- */
-
-/*!
- * This function puts the CPU into idle mode. It is called by default_idle()
- * in process.c file.
- */
 static inline void arch_idle(void)
 {
         cpu_do_idle();
 }
 
-/*
- * This function resets the system. It is called by machine_restart().
- *
- * @param  mode         indicates different kinds of resets
- */
 static inline void arch_reset(char mode)
 {
         cpu_reset(0);
 }
 
-#endif                          /* __ASM_ARCH_MXC_SYSTEM_H__ */
+#endif /* __ASM_ARCH_MXC_SYSTEM_H__ */
diff --git a/include/asm-arm/arch-mxc/vmalloc.h b/include/asm-arm/arch-mxc/vmalloc.h
index 83a73da895eb..62d97623412f 100644
--- a/include/asm-arm/arch-mxc/vmalloc.h
+++ b/include/asm-arm/arch-mxc/vmalloc.h
@@ -20,17 +20,7 @@
 #ifndef __ASM_ARCH_MXC_VMALLOC_H__
 #define __ASM_ARCH_MXC_VMALLOC_H__
 
-/*!
- * @file vmalloc.h
- *
- * @brief This file contains platform specific macros for vmalloc.
- *
- * @ingroup System
- */
-
-/*!
- * vmalloc ending address
- */
+/* vmalloc ending address */
 #define VMALLOC_END       0xF4000000
 
-#endif                          /* __ASM_ARCH_MXC_VMALLOC_H__ */
+#endif /* __ASM_ARCH_MXC_VMALLOC_H__ */