brcm63xx: add initial support for BCM63268

[openwrt/openwrt.git] / target / linux / brcm63xx / patches-3.10 / 411-MIPS-BCM63XX-Register-SPI-flash-if-present.patch

diff --git a/target/linux/brcm63xx/patches-3.10/411-MIPS-BCM63XX-Register-SPI-flash-if-present.patch b/target/linux/brcm63xx/patches-3.10/411-MIPS-BCM63XX-Register-SPI-flash-if-present.patch
index cdaae990aae2fda17aaac773872ee68f799d54cd..1c2f1b52f1403f8ce41f6ae20948893514626276 100644 (file)
--- a/target/linux/brcm63xx/patches-3.10/411-MIPS-BCM63XX-Register-SPI-flash-if-present.patch
+++ b/target/linux/brcm63xx/patches-3.10/411-MIPS-BCM63XX-Register-SPI-flash-if-present.patch
@@ -58,7 +58,18 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
                if (val & STRAPBUS_6328_BOOT_SEL_SERIAL)
                        return BCM63XX_FLASH_TYPE_SERIAL;
                else
-@@ -86,6 +109,9 @@ static int __init bcm63xx_detect_flash_t
+@@ -80,12 +103,20 @@ static int __init bcm63xx_detect_flash_t
+                       return BCM63XX_FLASH_TYPE_SERIAL;
+       case BCM6362_CPU_ID:
+               val = bcm_misc_readl(MISC_STRAPBUS_6362_REG);
++              if (val & STRAPBUS_6362_HSSPI_CLK_FAST)
++                      bcm63xx_spi_flash_info[0].max_speed_hz = 50000000;
++              else
++                      bcm63xx_spi_flash_info[0].max_speed_hz = 20000000;
++
+               if (val & STRAPBUS_6362_BOOT_SEL_SERIAL)
+                       return BCM63XX_FLASH_TYPE_SERIAL;
+               else
                        return BCM63XX_FLASH_TYPE_NAND;
        case BCM6368_CPU_ID:
                val = bcm_gpio_readl(GPIO_STRAPBUS_REG);
@@ -68,13 +79,25 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
                switch (val & STRAPBUS_6368_BOOT_SEL_MASK) {
                case STRAPBUS_6368_BOOT_SEL_NAND:
                        return BCM63XX_FLASH_TYPE_NAND;
-@@ -117,8 +143,14 @@ int __init bcm63xx_flash_register(void)
+@@ -96,6 +127,11 @@ static int __init bcm63xx_detect_flash_t
+               }
+       case BCM63268_CPU_ID:
+               val = bcm_misc_readl(MISC_STRAPBUS_63268_REG);
++              if (val & STRAPBUS_63268_HSSPI_CLK_FAST)
++                      bcm63xx_spi_flash_info[0].max_speed_hz = 50000000;
++              else
++                      bcm63xx_spi_flash_info[0].max_speed_hz = 20000000;
++
+               if (val & STRAPBUS_63268_BOOT_SEL_SERIAL)
+                       return BCM63XX_FLASH_TYPE_SERIAL;
+               else
+@@ -123,8 +159,14 @@ int __init bcm63xx_flash_register(void)
  
                return platform_device_register(&mtd_dev);
        case BCM63XX_FLASH_TYPE_SERIAL:
 -              pr_warn("unsupported serial flash detected\n");
 -              return -ENODEV;
-+              if (BCMCPU_IS_6328() || BCMCPU_IS_6362())
++              if (BCMCPU_IS_6328() || BCMCPU_IS_6362() || BCMCPU_IS_63268())
 +                      bcm63xx_spi_flash_info[0].bus_num = 1;
 +
 +              if (BCMCPU_IS_6358() || BCMCPU_IS_6368())
@@ -87,7 +110,7 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
                return -ENODEV;
 --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
 +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
-@@ -674,6 +674,7 @@
+@@ -746,6 +746,7 @@
  #define GPIO_STRAPBUS_REG             0x40
  #define STRAPBUS_6358_BOOT_SEL_PARALLEL (1 << 1)
  #define STRAPBUS_6358_BOOT_SEL_SERIAL (0 << 1)
@@ -95,8 +118,8 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
  #define STRAPBUS_6368_BOOT_SEL_MASK   0x3
  #define STRAPBUS_6368_BOOT_SEL_NAND   0
  #define STRAPBUS_6368_BOOT_SEL_SERIAL 1
-@@ -1515,6 +1516,7 @@
- #define STRAPBUS_6362_BOOT_SEL_NAND   (0 << 15)
+@@ -1594,6 +1595,7 @@
+ #define STRAPBUS_63268_FCVO_MASK      (0xf << STRAPBUS_63268_FCVO_SHIFT)
  
  #define MISC_STRAPBUS_6328_REG                0x240
 +#define STRAPBUS_6328_HSSPI_CLK_FAST  (1 << 4)