Better macronix bottom boot handling, thanks Gabor !

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7618 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/adm5120-2.6/config/default b/target/linux/adm5120-2.6/config/default
index aa6640c..2ba65db 100644 (file)
--- a/target/linux/adm5120-2.6/config/default
+++ b/target/linux/adm5120-2.6/config/default
@@ -144,7 +144,7 @@ CONFIG_MTD_BLOCK2MTD=y
 CONFIG_MTD_CFI=y
 # CONFIG_MTD_CFI_ADV_OPTIONS is not set
 CONFIG_MTD_CFI_AMDSTD=y
-CONFIG_MTD_CFI_AMDSTD_FORCE_BOTTOM_BOOT=y
+CONFIG_MTD_CFI_FIXUP_MACRONIX_BOOTLOC=y
 CONFIG_MTD_CFI_I1=y
 CONFIG_MTD_CFI_I2=y
 # CONFIG_MTD_CFI_I4 is not set

diff --git a/target/linux/adm5120-2.6/files/drivers/usb/host/adm5120-hcd.c b/target/linux/adm5120-2.6/files/drivers/usb/host/adm5120-hcd.c
index a0ccaef..a9d0071 100644 (file)
--- a/target/linux/adm5120-2.6/files/drivers/usb/host/adm5120-hcd.c
+++ b/target/linux/adm5120-2.6/files/drivers/usb/host/adm5120-hcd.c
@@ -30,6 +30,8 @@ MODULE_DESCRIPTION("ADM5120 USB Host Controller Driver");
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Jeroen Vreeken (pe1rxq@amsat.org)");
 
+#define PFX    "adm5120-hcd: "
+
 #define ADMHCD_REG_CONTROL             0x00
 #define ADMHCD_REG_INTSTATUS           0x04
 #define ADMHCD_REG_INTENABLE           0x08
@@ -826,11 +828,13 @@ static struct platform_driver adm5120hcd_driver = {
 
 static int __init adm5120hcd_init(void)
 {
-       if (usb_disabled())
+       if (usb_disabled()) 
                return -ENODEV;
-       if (!adm5120_board.has_usb)
+       if (!adm5120_board.has_usb) {
+               printk(KERN_DEBUG PFX "this board does not have USB\n");
                return -ENODEV;
 
+       printk(KERN_INFO PFX "registered\n");
        return platform_driver_register(&adm5120hcd_driver);
 }
 

diff --git a/target/linux/adm5120-2.6/patches/101-cfi-fixup-macronix-bootloc.patch b/target/linux/adm5120-2.6/patches/101-cfi-fixup-macronix-bootloc.patch
new file mode 100644 (file)
index 0000000..58b6dff
--- /dev/null
+++ b/target/linux/adm5120-2.6/patches/101-cfi-fixup-macronix-bootloc.patch
@@ -0,0 +1,87 @@
+Index: linux-2.6.21.1/drivers/mtd/chips/cfi_cmdset_0002.c
+===================================================================
+--- linux-2.6.21.1.orig/drivers/mtd/chips/cfi_cmdset_0002.c
++++ linux-2.6.21.1/drivers/mtd/chips/cfi_cmdset_0002.c
+@@ -47,12 +47,17 @@
+ #define MANUFACTURER_AMD      0x0001
+ #define MANUFACTURER_ATMEL    0x001F
+ #define MANUFACTURER_SST      0x00BF
++#define MANUFACTURER_MACRONIX 0x00C2
+ #define SST49LF004B           0x0060
+ #define SST49LF040B           0x0050
+ #define SST49LF008A           0x005a
+ #define AT49BV6416            0x00d6
+ #define MANUFACTURER_SAMSUNG  0x00ec
+ 
++/* Macronix */
++#define MX29LV160B    0x2249  /* MX29LV160 Bottom-boot chip */
++#define MX29LV320B    0x22A8  /* MX29LV320 Bottom-boot chip */
++
+ static int cfi_amdstd_read (struct mtd_info *, loff_t, size_t, size_t *, u_char *);
+ static int cfi_amdstd_write_words(struct mtd_info *, loff_t, size_t, size_t *, const u_char *);
+ static int cfi_amdstd_write_buffers(struct mtd_info *, loff_t, size_t, size_t *, const u_char *);
+@@ -217,6 +222,35 @@ static void fixup_use_atmel_lock(struct 
+       mtd->flags |= MTD_STUPID_LOCK;
+ }
+ 
++#ifdef CONFIG_MTD_CFI_FIXUP_MACRONIX_BOOTLOC
++/*
++ * Some Macronix chips has bad bootblock information in the CFI table
++ */
++static void fixup_macronix_bootloc(struct mtd_info *mtd, void* param)
++{
++      struct map_info *map = mtd->priv;
++      struct cfi_private *cfi = map->fldrv_priv;
++      struct cfi_pri_amdstd *extp = cfi->cmdset_priv;
++      __u8 major = extp->MajorVersion;
++      __u8 minor = extp->MinorVersion;
++
++      switch (cfi->id) {
++      /* TODO: put affected chip ids here */
++      case MX29LV160B:
++      case MX29LV320B:
++              if (((major << 8) | minor) != 0x3131)
++                      break;
++
++              if (extp->TopBottom == 2)
++                      break;
++
++              extp->TopBottom = 2;    /* Bottom boot */
++              printk("%s: weird Macronix chip detected, id:0x%04X, boot location "
++                      "forced to bottom\n", map->name, cfi->id);
++      }
++}
++#endif /* CONFIG_MTD_CFI_FIXUP_MACRONIX_BOOTLOC */
++
+ static struct cfi_fixup cfi_fixup_table[] = {
+ #ifdef AMD_BOOTLOC_BUG
+       { CFI_MFR_AMD, CFI_ID_ANY, fixup_amd_bootblock, NULL },
+@@ -231,6 +265,9 @@ static struct cfi_fixup cfi_fixup_table[
+       { CFI_MFR_ANY, CFI_ID_ANY, fixup_use_write_buffers, NULL, },
+ #endif
+       { CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri, NULL },
++#ifdef CONFIG_MTD_CFI_FIXUP_MACRONIX_BOOTLOC
++      { MANUFACTURER_MACRONIX, CFI_ID_ANY, fixup_macronix_bootloc, NULL, },
++#endif
+       { 0, 0, NULL, NULL }
+ };
+ static struct cfi_fixup jedec_fixup_table[] = {
+Index: linux-2.6.21.1/drivers/mtd/chips/Kconfig
+===================================================================
+--- linux-2.6.21.1.orig/drivers/mtd/chips/Kconfig
++++ linux-2.6.21.1/drivers/mtd/chips/Kconfig
+@@ -199,6 +199,14 @@ config MTD_CFI_AMDSTD
+         provides support for one of those command sets, used on chips
+         including the AMD Am29LV320.
+ 
++config MTD_CFI_FIXUP_MACRONIX_BOOTLOC
++      bool "Force bottom boot for Macronix flash chips"
++      depends on MTD_CFI_AMDSTD
++      help
++        Some Macronix flash chips have wrong boot-block location in the
++        CFI table, and the driver may detect the type incorrectly. Select 
++        this if your board has such chip.
++
+ config MTD_CFI_STAA
+       tristate "Support for ST (Advanced Architecture) flash chips"
+       depends on MTD_GEN_PROBE

diff --git a/target/linux/adm5120-2.6/patches/101-mtd-mxflash.patch b/target/linux/adm5120-2.6/patches/101-mtd-mxflash.patch
index 754a91e..e69de29 100755 (executable)
--- a/target/linux/adm5120-2.6/patches/101-mtd-mxflash.patch
+++ b/target/linux/adm5120-2.6/patches/101-mtd-mxflash.patch
@@ -1,31 +0,0 @@
---- linux-2.6.19.2/drivers/mtd/chips/Kconfig.old       2007-01-11 03:10:36.000000000 +0800
-+++ linux-2.6.19.2/drivers/mtd/chips/Kconfig   2007-03-29 14:43:32.000000000 +0800
-@@ -199,6 +199,14 @@
-         provides support for one of those command sets, used on chips
-         including the AMD Am29LV320.
- 
-+config MTD_CFI_AMDSTD_FORCE_BOTTOM_BOOT
-+      bool "Force bottom boot for Macronix flash chips"
-+      depends on MTD_CFI_AMDSTD
-+      help
-+        Some Macronix flash chips have wrong CFI info, and the driver may
-+        detect the type incorrectly. Select this if the chip part number
-+        ends with BTC.
-+
- config MTD_CFI_STAA
-       tristate "Support for ST (Advanced Architecture) flash chips"
-       depends on MTD_GEN_PROBE
---- linux-2.6.19.2/drivers/mtd/chips/cfi_cmdset_0002.c.old     2007-03-22 16:14:56.000000000 +0800
-+++ linux-2.6.19.2/drivers/mtd/chips/cfi_cmdset_0002.c 2007-03-29 14:07:28.000000000 +0800
-@@ -320,6 +320,11 @@
-               cfi_tell_features(extp);
- #endif
- 
-+#ifdef CONFIG_MTD_CFI_AMDSTD_FORCE_BOTTOM_BOOT
-+              extp->TopBottom = 2;
-+              bootloc = extp->TopBottom;
-+#endif
-+
-               bootloc = extp->TopBottom;
-               if ((bootloc != 2) && (bootloc != 3)) {
-                       printk(KERN_WARNING "%s: CFI does not contain boot "

diff --git a/target/linux/adm5120eb-2.6/config/default b/target/linux/adm5120eb-2.6/config/default
index cbc9663..8a8fd9a 100644 (file)
--- a/target/linux/adm5120eb-2.6/config/default
+++ b/target/linux/adm5120eb-2.6/config/default
@@ -144,7 +144,7 @@ CONFIG_MTD_BLOCK2MTD=y
 CONFIG_MTD_CFI=y
 # CONFIG_MTD_CFI_ADV_OPTIONS is not set
 CONFIG_MTD_CFI_AMDSTD=y
-CONFIG_MTD_CFI_AMDSTD_FORCE_BOTTOM_BOOT=y
+CONFIG_MTD_CFI_FIXUP_MACRONIX_BOOTLOC=y
 CONFIG_MTD_CFI_I1=y
 CONFIG_MTD_CFI_I2=y
 # CONFIG_MTD_CFI_I4 is not set