OpenWrt – Rev 3

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From 98f63141190ac02c58b78d58f771bd263c61d756 Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jogo@openwrt.org>
Date: Sat, 7 Dec 2013 17:14:17 +0100
Subject: [PATCH 48/56] MIPS: BCM63XX: add support for BCM63268

Signed-off-by: Jonas Gorski <jogo@openwrt.org>
---
 arch/mips/bcm63xx/Kconfig                         |   5 +
 arch/mips/bcm63xx/boards/board_bcm963xx.c         |   2 +-
 arch/mips/bcm63xx/clk.c                           |  25 ++++-
 arch/mips/bcm63xx/cpu.c                           |  59 +++++++++-
 arch/mips/bcm63xx/dev-flash.c                     |   6 +
 arch/mips/bcm63xx/dev-spi.c                       |   4 +-
 arch/mips/bcm63xx/irq.c                           |  20 +++-
 arch/mips/bcm63xx/reset.c                         |  21 ++++
 arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h  | 130 ++++++++++++++++++++++
 arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h |   2 +
 arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h |  79 +++++++++++++
 arch/mips/include/asm/mach-bcm63xx/ioremap.h      |   1 +
 12 files changed, 342 insertions(+), 12 deletions(-)

--- a/arch/mips/bcm63xx/Kconfig
+++ b/arch/mips/bcm63xx/Kconfig
@@ -61,6 +61,11 @@ config BCM63XX_CPU_6368
        select HW_HAS_PCI
        select BCM63XX_OHCI
        select BCM63XX_EHCI
+
+config BCM63XX_CPU_63268
+       bool "support 63268 CPU"
+       select SYS_HAS_CPU_BMIPS4350
+       select HW_HAS_PCI
 endmenu
 
 source "arch/mips/bcm63xx/boards/Kconfig"
--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
+++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
@@ -713,7 +713,7 @@ void __init board_prom_init(void)
        /* read base address of boot chip select (0)
         * 6328/6362 do not have MPI but boot from a fixed address
         */
-       if (BCMCPU_IS_6328() || BCMCPU_IS_6362()) {
+       if (BCMCPU_IS_6328() || BCMCPU_IS_6362() || BCMCPU_IS_63268()) {
                val = 0x18000000;
        } else {
                val = bcm_mpi_readl(MPI_CSBASE_REG(0));
--- a/arch/mips/bcm63xx/clk.c
+++ b/arch/mips/bcm63xx/clk.c
@@ -169,6 +169,8 @@ static void enetsw_set(struct clk *clk,
                        clk_disable_unlocked(&clk_swpkt_sar);
                }
                bcm_hwclock_set(CKCTL_6368_ROBOSW_EN, enable);
+       } else if (BCMCPU_IS_63268()) {
+               bcm_hwclock_set(CKCTL_63268_ROBOSW_EN, enable);
        } else {
                return;
        }
@@ -214,6 +216,8 @@ static void usbh_set(struct clk *clk, in
                bcm_hwclock_set(CKCTL_6362_USBH_EN, enable);
        else if (BCMCPU_IS_6368())
                bcm_hwclock_set(CKCTL_6368_USBH_EN, enable);
+       else if (BCMCPU_IS_63268())
+               bcm_hwclock_set(CKCTL_63268_USBH_EN, enable);
        else
                return;
 
@@ -236,6 +240,8 @@ static void usbd_set(struct clk *clk, in
                bcm_hwclock_set(CKCTL_6362_USBD_EN, enable);
        else if (BCMCPU_IS_6368())
                bcm_hwclock_set(CKCTL_6368_USBD_EN, enable);
+       else if (BCMCPU_IS_63268())
+               bcm_hwclock_set(CKCTL_63268_USBD_EN, enable);
        else
                return;
 
@@ -262,9 +268,13 @@ static void spi_set(struct clk *clk, int
                mask = CKCTL_6358_SPI_EN;
        else if (BCMCPU_IS_6362())
                mask = CKCTL_6362_SPI_EN;
-       else
-               /* BCMCPU_IS_6368 */
+       else if (BCMCPU_IS_6368())
                mask = CKCTL_6368_SPI_EN;
+       else if (BCMCPU_IS_63268())
+               mask = CKCTL_63268_SPI_EN;
+       else
+               return;
+
        bcm_hwclock_set(mask, enable);
 }
 
@@ -283,6 +293,8 @@ static void hsspi_set(struct clk *clk, i
                mask = CKCTL_6328_HSSPI_EN;
        else if (BCMCPU_IS_6362())
                mask = CKCTL_6362_HSSPI_EN;
+       else if (BCMCPU_IS_63268())
+               mask = CKCTL_63268_HSSPI_EN;
        else
                return;
 
@@ -352,6 +364,8 @@ static void pcie_set(struct clk *clk, in
                bcm_hwclock_set(CKCTL_6328_PCIE_EN, enable);
        else if (BCMCPU_IS_6362())
                bcm_hwclock_set(CKCTL_6362_PCIE_EN, enable);
+       else if (BCMCPU_IS_63268())
+               bcm_hwclock_set(CKCTL_63268_PCIE_EN, enable);
 }
 
 static struct clk clk_pcie = {
@@ -536,6 +550,21 @@ static struct clk_lookup bcm6368_clks[]
        CLKDEV_INIT(NULL, "ipsec", &clk_ipsec),
 };
 
+static struct clk_lookup bcm63268_clks[] = {
+       /* fixed rate clocks */
+       CLKDEV_INIT(NULL, "periph", &clk_periph),
+       CLKDEV_INIT("bcm63xx_uart.0", "refclk", &clk_periph),
+       CLKDEV_INIT("bcm63xx_uart.1", "refclk", &clk_periph),
+       CLKDEV_INIT("bcm63xx-hsspi.0", "pll", &clk_hsspi_pll),
+       /* gated clocks */
+       CLKDEV_INIT(NULL, "enetsw", &clk_enetsw),
+       CLKDEV_INIT(NULL, "usbh", &clk_usbh),
+       CLKDEV_INIT(NULL, "usbd", &clk_usbd),
+       CLKDEV_INIT(NULL, "spi", &clk_spi),
+       CLKDEV_INIT(NULL, "hsspi", &clk_hsspi),
+       CLKDEV_INIT(NULL, "pcie", &clk_pcie),
+};
+
 #define HSSPI_PLL_HZ_6328      133333333
 #define HSSPI_PLL_HZ_6362      400000000
 
@@ -568,6 +597,10 @@ static int __init bcm63xx_clk_init(void)
        case BCM6368_CPU_ID:
                clkdev_add_table(bcm6368_clks, ARRAY_SIZE(bcm6368_clks));
                break;
+       case BCM63268_CPU_ID:
+               clk_hsspi_pll.rate = HSSPI_PLL_HZ_6362;
+               clkdev_add_table(bcm63268_clks, ARRAY_SIZE(bcm63268_clks));
+               break;
        }
 
        return 0;
--- a/arch/mips/bcm63xx/cpu.c
+++ b/arch/mips/bcm63xx/cpu.c
@@ -101,6 +101,15 @@ static const int bcm6368_irqs[] = {
 
 };
 
+static const unsigned long bcm63268_regs_base[] = {
+       __GEN_CPU_REGS_TABLE(63268)
+};
+
+static const int bcm63268_irqs[] = {
+       __GEN_CPU_IRQ_TABLE(63268)
+
+};
+
 u32 bcm63xx_get_cpu_variant(void)
 {
        return bcm63xx_cpu_variant;
@@ -253,6 +262,27 @@ static unsigned int detect_cpu_clock(voi
 
                return (((64 * 1000000) / p1) * p2 * ndiv) / m1;
        }
+       case BCM63268_CPU_ID:
+       {
+               unsigned int tmp, mips_pll_fcvo;
+
+               tmp = bcm_misc_readl(MISC_STRAPBUS_63268_REG);
+               mips_pll_fcvo = (tmp & STRAPBUS_63268_FCVO_MASK) >>
+                               STRAPBUS_63268_FCVO_SHIFT;
+               switch (mips_pll_fcvo) {
+               case 0x3:
+               case 0xe:
+                       return 320000000;
+               case 0xa:
+                       return 333000000;
+               case 0x2:
+               case 0xb:
+               case 0xf:
+                       return 400000000;
+               default:
+                       return 0;
+               }
+       }
 
        default:
                panic("Failed to detect clock for CPU with id=%04X\n", cpu_id);
@@ -267,7 +297,7 @@ static unsigned int detect_memory_size(v
        unsigned int cols = 0, rows = 0, is_32bits = 0, banks = 0;
        u32 val;
 
-       if (BCMCPU_IS_6328() || BCMCPU_IS_6362())
+       if (BCMCPU_IS_6328() || BCMCPU_IS_6362() || BCMCPU_IS_63268())
                return bcm_ddr_readl(DDR_CSEND_REG) << 24;
 
        if (BCMCPU_IS_6345()) {
@@ -305,6 +335,7 @@ void __init bcm63xx_cpu_init(void)
        unsigned int tmp;
        unsigned int cpu = smp_processor_id();
        u32 chipid_reg;
+       bool long_chipid = false;
        u8 __maybe_unused varid = 0;
 
        /* soc registers location depends on cpu type */
@@ -326,6 +357,9 @@ void __init bcm63xx_cpu_init(void)
                case 0x10:
                        chipid_reg = BCM_6345_PERF_BASE;
                        break;
+               case 0x80:
+                       long_chipid = true;
+                       /* fall-through */
                default:
                        chipid_reg = BCM_6368_PERF_BASE;
                        break;
@@ -333,6 +367,7 @@ void __init bcm63xx_cpu_init(void)
                break;
        }
 
+
        /*
         * really early to panic, but delaying panic would not help since we
         * will never get any working console
@@ -342,10 +377,17 @@ void __init bcm63xx_cpu_init(void)
 
        /* read out CPU type */
        tmp = bcm_readl(chipid_reg);
-       bcm63xx_cpu_id = (tmp & REV_CHIPID_MASK) >> REV_CHIPID_SHIFT;
-       bcm63xx_cpu_variant = bcm63xx_cpu_id;
+
+       if (long_chipid) {
+               bcm63xx_cpu_id = tmp & REV_LONG_CHIPID_MASK;
+               bcm63xx_cpu_id >>= REV_LONG_CHIPID_SHIFT;
+       } else {
+               bcm63xx_cpu_id = (tmp & REV_CHIPID_MASK) >> REV_CHIPID_SHIFT;
+               varid = (tmp & REV_VARID_MASK) >> REV_VARID_SHIFT;
+       }
+
        bcm63xx_cpu_rev = (tmp & REV_REVID_MASK) >> REV_REVID_SHIFT;
-       varid = (tmp & REV_VARID_MASK) >> REV_VARID_SHIFT;
+       bcm63xx_cpu_variant = bcm63xx_cpu_id;
 
        switch (bcm63xx_cpu_id) {
        case BCM3368_CPU_ID:
@@ -400,6 +442,15 @@ void __init bcm63xx_cpu_init(void)
                /* BCM6369 is a BCM6368 without xDSL, so treat it the same */
                bcm63xx_cpu_id = BCM6368_CPU_ID;
                break;
+       case BCM63168_CPU_ID:
+       case BCM63169_CPU_ID:
+       case BCM63268_CPU_ID:
+       case BCM63269_CPU_ID:
+               bcm63xx_regs_base = bcm63268_regs_base;
+               bcm63xx_irqs = bcm63268_irqs;
+
+               bcm63xx_cpu_id = BCM63268_CPU_ID;
+               break;
        default:
                panic("unsupported broadcom CPU %x", bcm63xx_cpu_id);
                break;
--- a/arch/mips/bcm63xx/dev-flash.c
+++ b/arch/mips/bcm63xx/dev-flash.c
@@ -94,6 +94,12 @@ static int __init bcm63xx_detect_flash_t
                case STRAPBUS_6368_BOOT_SEL_PARALLEL:
                        return BCM63XX_FLASH_TYPE_PARALLEL;
                }
+       case BCM63268_CPU_ID:
+               val = bcm_misc_readl(MISC_STRAPBUS_63268_REG);
+               if (val & STRAPBUS_63268_BOOT_SEL_SERIAL)
+                       return BCM63XX_FLASH_TYPE_SERIAL;
+               else
+                       return BCM63XX_FLASH_TYPE_NAND;
        default:
                return -EINVAL;
        }
--- a/arch/mips/bcm63xx/dev-spi.c
+++ b/arch/mips/bcm63xx/dev-spi.c
@@ -51,7 +51,7 @@ int __init bcm63xx_spi_register(void)
        }
 
        if (BCMCPU_IS_3368() || BCMCPU_IS_6358() || BCMCPU_IS_6362() ||
-               BCMCPU_IS_6368()) {
+               BCMCPU_IS_6368() || BCMCPU_IS_63268()) {
                bcm63xx_spi_device.name = "bcm6358-spi",
                spi_resources[0].end += BCM_6358_RSET_SPI_SIZE - 1;
        }
--- a/arch/mips/bcm63xx/irq.c
+++ b/arch/mips/bcm63xx/irq.c
@@ -149,6 +149,20 @@ void __init arch_init_irq(void)
                ext_irqs[5] = BCM_6368_EXT_IRQ5;
                ext_shift = 4;
                break;
+       case BCM63268_CPU_ID:
+               periph_bases[0] += PERF_IRQMASK_63268_REG(0);
+               periph_bases[1] += PERF_IRQMASK_63268_REG(1);
+               periph_irq_count = 2;
+               periph_width = 4;
+
+               ext_intc_bases[0] += PERF_EXTIRQ_CFG_REG_63268;
+               ext_irq_count = 4;
+               ext_irqs[0] = BCM_63268_EXT_IRQ0;
+               ext_irqs[1] = BCM_63268_EXT_IRQ1;
+               ext_irqs[2] = BCM_63268_EXT_IRQ2;
+               ext_irqs[3] = BCM_63268_EXT_IRQ3;
+               ext_shift = 4;
+               break;
        default:
                BUG();
        }
--- a/arch/mips/bcm63xx/reset.c
+++ b/arch/mips/bcm63xx/reset.c
@@ -126,6 +126,20 @@
 #define BCM6368_RESET_PCIE     0
 #define BCM6368_RESET_PCIE_EXT 0
 
+#define BCM63268_RESET_SPI     SOFTRESET_63268_SPI_MASK
+#define BCM63268_RESET_ENET    0
+#define BCM63268_RESET_USBH    SOFTRESET_63268_USBH_MASK
+#define BCM63268_RESET_USBD    SOFTRESET_63268_USBS_MASK
+#define BCM63268_RESET_DSL     0
+#define BCM63268_RESET_SAR     SOFTRESET_63268_SAR_MASK
+#define BCM63268_RESET_EPHY    0
+#define BCM63268_RESET_ENETSW  SOFTRESET_63268_ENETSW_MASK
+#define BCM63268_RESET_PCM     SOFTRESET_63268_PCM_MASK
+#define BCM63268_RESET_MPI     0
+#define BCM63268_RESET_PCIE    (SOFTRESET_63268_PCIE_MASK | \
+                                SOFTRESET_63268_PCIE_CORE_MASK)
+#define BCM63268_RESET_PCIE_EXT        SOFTRESET_63268_PCIE_EXT_MASK
+
 /*
  * core reset bits
  */
@@ -157,6 +171,10 @@ static const u32 bcm6368_reset_bits[] =
        __GEN_RESET_BITS_TABLE(6368)
 };
 
+static const u32 bcm63268_reset_bits[] = {
+       __GEN_RESET_BITS_TABLE(63268)
+};
+
 const u32 *bcm63xx_reset_bits;
 static int reset_reg;
 
@@ -183,6 +201,9 @@ static int __init bcm63xx_reset_bits_ini
        } else if (BCMCPU_IS_6368()) {
                reset_reg = PERF_SOFTRESET_6368_REG;
                bcm63xx_reset_bits = bcm6368_reset_bits;
+       } else if (BCMCPU_IS_63268()) {
+               reset_reg = PERF_SOFTRESET_63268_REG;
+               bcm63xx_reset_bits = bcm63268_reset_bits;
        }
 
        return 0;
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
@@ -22,6 +22,10 @@
 #define BCM6362_CPU_ID         0x6362
 #define BCM6368_CPU_ID         0x6368
 #define BCM6369_CPU_ID         0x6369
+#define BCM63168_CPU_ID                0x63168
+#define BCM63169_CPU_ID                0x63169
+#define BCM63268_CPU_ID                0x63268
+#define BCM63269_CPU_ID                0x63269
 
 void __init bcm63xx_cpu_init(void);
 u32 bcm63xx_get_cpu_variant(void);
@@ -62,6 +66,10 @@ static inline u32 __pure __bcm63xx_get_c
 #ifdef CONFIG_BCM63XX_CPU_6368
                case BCM6368_CPU_ID:
 #endif
+
+#ifdef CONFIG_BCM63XX_CPU_63268
+               case BCM63268_CPU_ID:
+#endif
                break;
        default:
                unreachable();
@@ -87,6 +95,7 @@ static inline u32 __pure bcm63xx_get_cpu
 #define BCMCPU_IS_6358()       (bcm63xx_get_cpu_id() == BCM6358_CPU_ID)
 #define BCMCPU_IS_6362()       (bcm63xx_get_cpu_id() == BCM6362_CPU_ID)
 #define BCMCPU_IS_6368()       (bcm63xx_get_cpu_id() == BCM6368_CPU_ID)
+#define BCMCPU_IS_63268()      (bcm63xx_get_cpu_id() == BCM63268_CPU_ID)
 
 #define BCMCPU_VARIANT_IS_3368() \
        (bcm63xx_get_cpu_variant() == BCM3368_CPU_ID)
@@ -110,6 +119,14 @@ static inline u32 __pure bcm63xx_get_cpu
        (bcm63xx_get_cpu_variant() == BCM6368_CPU_ID)
 #define BCMCPU_VARIANT_IS_6369() \
        (bcm63xx_get_cpu_variant() == BCM6369_CPU_ID)
+#define BCMCPU_VARIANT_IS_63168() \
+       (bcm63xx_get_cpu_variant() == BCM63168_CPU_ID)
+#define BCMCPU_VARIANT_IS_63169() \
+       (bcm63xx_get_cpu_variant() == BCM63169_CPU_ID)
+#define BCMCPU_VARIANT_IS_63268() \
+       (bcm63xx_get_cpu_variant() == BCM63268_CPU_ID)
+#define BCMCPU_VARIANT_IS_63269() \
+       (bcm63xx_get_cpu_variant() == BCM63269_CPU_ID)
 
 /*
  * While registers sets are (mostly) the same across 63xx CPU, base
@@ -574,6 +591,52 @@ enum bcm63xx_regs_set {
 #define BCM_6368_RNG_BASE              (0xb0004180)
 #define BCM_6368_MISC_BASE             (0xdeadbeef)
 
+/*
+ * 63268 register sets base address
+ */
+#define BCM_63268_DSL_LMEM_BASE                (0xdeadbeef)
+#define BCM_63268_PERF_BASE            (0xb0000000)
+#define BCM_63268_TIMER_BASE           (0xb0000080)
+#define BCM_63268_WDT_BASE             (0xb000009c)
+#define BCM_63268_UART0_BASE           (0xb0000180)
+#define BCM_63268_UART1_BASE           (0xb00001a0)
+#define BCM_63268_GPIO_BASE            (0xb00000c0)
+#define BCM_63268_SPI_BASE             (0xb0000800)
+#define BCM_63268_HSSPI_BASE           (0xb0001000)
+#define BCM_63268_UDC0_BASE            (0xdeadbeef)
+#define BCM_63268_USBDMA_BASE          (0xb000c800)
+#define BCM_63268_OHCI0_BASE           (0xb0002600)
+#define BCM_63268_OHCI_PRIV_BASE       (0xdeadbeef)
+#define BCM_63268_USBH_PRIV_BASE       (0xb0002700)
+#define BCM_63268_USBD_BASE            (0xb0002400)
+#define BCM_63268_MPI_BASE             (0xdeadbeef)
+#define BCM_63268_PCMCIA_BASE          (0xdeadbeef)
+#define BCM_63268_PCIE_BASE            (0xb06e0000)
+#define BCM_63268_SDRAM_REGS_BASE      (0xdeadbeef)
+#define BCM_63268_DSL_BASE             (0xdeadbeef)
+#define BCM_63268_UBUS_BASE            (0xdeadbeef)
+#define BCM_63268_ENET0_BASE           (0xdeadbeef)
+#define BCM_63268_ENET1_BASE           (0xdeadbeef)
+#define BCM_63268_ENETDMA_BASE         (0xb000d800)
+#define BCM_63268_ENETDMAC_BASE                (0xb000da00)
+#define BCM_63268_ENETDMAS_BASE                (0xb000dc00)
+#define BCM_63268_ENETSW_BASE          (0xb0700000)
+#define BCM_63268_EHCI0_BASE           (0xb0002500)
+#define BCM_63268_SDRAM_BASE           (0xdeadbeef)
+#define BCM_63268_MEMC_BASE            (0xdeadbeef)
+#define BCM_63268_DDR_BASE             (0xb0003000)
+#define BCM_63268_M2M_BASE             (0xdeadbeef)
+#define BCM_63268_ATM_BASE             (0xdeadbeef)
+#define BCM_63268_XTM_BASE             (0xb0007000)
+#define BCM_63268_XTMDMA_BASE          (0xb000b800)
+#define BCM_63268_XTMDMAC_BASE         (0xdeadbeef)
+#define BCM_63268_XTMDMAS_BASE         (0xdeadbeef)
+#define BCM_63268_PCM_BASE             (0xb000b000)
+#define BCM_63268_PCMDMA_BASE          (0xb000b800)
+#define BCM_63268_PCMDMAC_BASE         (0xdeadbeef)
+#define BCM_63268_PCMDMAS_BASE         (0xdeadbeef)
+#define BCM_63268_RNG_BASE             (0xdeadbeef)
+#define BCM_63268_MISC_BASE            (0xb0001800)
 
 extern const unsigned long *bcm63xx_regs_base;
 
@@ -1042,6 +1105,73 @@ enum bcm63xx_irq {
 #define BCM_6368_EXT_IRQ4              (IRQ_INTERNAL_BASE + 24)
 #define BCM_6368_EXT_IRQ5              (IRQ_INTERNAL_BASE + 25)
 
+/*
+ * 63268 irqs
+ */
+#define BCM_63268_HIGH_IRQ_BASE                (IRQ_INTERNAL_BASE + 32)
+#define BCM_63268_VERY_HIGH_IRQ_BASE   (BCM_63268_HIGH_IRQ_BASE + 32)
+
+#define BCM_63268_TIMER_IRQ            (IRQ_INTERNAL_BASE + 0)
+#define BCM_63268_SPI_IRQ              (BCM_63268_VERY_HIGH_IRQ_BASE + 16)
+#define BCM_63268_UART0_IRQ            (IRQ_INTERNAL_BASE + 5)
+#define BCM_63268_UART1_IRQ            (BCM_63268_HIGH_IRQ_BASE + 2)
+#define BCM_63268_DSL_IRQ              (IRQ_INTERNAL_BASE + 23)
+#define BCM_63268_UDC0_IRQ             0
+#define BCM_63268_ENET0_IRQ            0
+#define BCM_63268_ENET1_IRQ            0
+#define BCM_63268_ENET_PHY_IRQ         (IRQ_INTERNAL_BASE + 13)
+#define BCM_63268_HSSPI_IRQ            (IRQ_INTERNAL_BASE + 6)
+#define BCM_63268_OHCI0_IRQ            (IRQ_INTERNAL_BASE + 9)
+#define BCM_63268_EHCI0_IRQ            (IRQ_INTERNAL_BASE + 10)
+#define BCM_63268_USBD_IRQ             (IRQ_INTERNAL_BASE + 11)
+#define BCM_63268_USBD_RXDMA0_IRQ      (IRQ_INTERNAL_BASE + 19)
+#define BCM_63268_USBD_TXDMA0_IRQ      (BCM_63268_HIGH_IRQ_BASE + 4)
+#define BCM_63268_USBD_RXDMA1_IRQ      (IRQ_INTERNAL_BASE + 20)
+#define BCM_63268_USBD_TXDMA1_IRQ      (BCM_63268_HIGH_IRQ_BASE + 5)
+#define BCM_63268_USBD_RXDMA2_IRQ      (IRQ_INTERNAL_BASE + 21)
+#define BCM_63268_USBD_TXDMA2_IRQ      (BCM_63268_HIGH_IRQ_BASE + 6)
+#define BCM_63268_PCMCIA_IRQ           0
+#define BCM_63268_ENET0_RXDMA_IRQ      0
+#define BCM_63268_ENET0_TXDMA_IRQ      0
+#define BCM_63268_ENET1_RXDMA_IRQ      0
+#define BCM_63268_ENET1_TXDMA_IRQ      0
+#define BCM_63268_PCI_IRQ              (BCM_63268_HIGH_IRQ_BASE + 8)
+#define BCM_63268_ATM_IRQ              0
+#define BCM_63268_ENETSW_RXDMA0_IRQ    (IRQ_INTERNAL_BASE + 1)
+#define BCM_63268_ENETSW_RXDMA1_IRQ    (IRQ_INTERNAL_BASE + 2)
+#define BCM_63268_ENETSW_RXDMA2_IRQ    (IRQ_INTERNAL_BASE + 3)
+#define BCM_63268_ENETSW_RXDMA3_IRQ    (IRQ_INTERNAL_BASE + 4)
+#define BCM_63268_ENETSW_TXDMA0_IRQ    (BCM_63268_VERY_HIGH_IRQ_BASE + 0)
+#define BCM_63268_ENETSW_TXDMA1_IRQ    (BCM_63268_VERY_HIGH_IRQ_BASE + 1)
+#define BCM_63268_ENETSW_TXDMA2_IRQ    (BCM_63268_VERY_HIGH_IRQ_BASE + 2)
+#define BCM_63268_ENETSW_TXDMA3_IRQ    (BCM_63268_VERY_HIGH_IRQ_BASE + 3)
+#define BCM_63268_XTM_IRQ              (BCM_63268_HIGH_IRQ_BASE + 17)
+#define BCM_63268_XTM_DMA0_IRQ         (IRQ_INTERNAL_BASE + 26)
+
+#define BCM_63268_RING_OSC_IRQ         (BCM_63268_HIGH_IRQ_BASE + 20)
+#define BCM_63268_WLAN_GPIO_IRQ                (BCM_63268_HIGH_IRQ_BASE + 3)
+#define BCM_63268_WLAN_IRQ             (IRQ_INTERNAL_BASE + 7)
+#define BCM_63268_IPSEC_IRQ            (IRQ_INTERNAL_BASE + 8)
+#define BCM_63268_NAND_IRQ             (BCM_63268_HIGH_IRQ_BASE + 18)
+#define BCM_63268_PCM_IRQ              (IRQ_INTERNAL_BASE + 13)
+#define BCM_63268_DG_IRQ               (IRQ_INTERNAL_BASE + 15)
+#define BCM_63268_EPHY_ENERGY0_IRQ     (IRQ_INTERNAL_BASE + 16)
+#define BCM_63268_EPHY_ENERGY1_IRQ     (IRQ_INTERNAL_BASE + 17)
+#define BCM_63268_EPHY_ENERGY2_IRQ     (IRQ_INTERNAL_BASE + 18)
+#define BCM_63268_EPHY_ENERGY3_IRQ     (IRQ_INTERNAL_BASE + 19)
+#define BCM_63268_IPSEC_DMA0_IRQ       (IRQ_INTERNAL_BASE + 22)
+#define BCM_63268_IPSEC_DMA1_IRQ       (BCM_63268_HIGH_IRQ_BASE + 7)
+#define BCM_63268_FAP0_IRQ             (IRQ_INTERNAL_BASE + 24)
+#define BCM_63268_FAP1_IRQ             (IRQ_INTERNAL_BASE + 25)
+#define BCM_63268_PCM_DMA0_IRQ         (BCM_63268_HIGH_IRQ_BASE + 10)
+#define BCM_63268_PCM_DMA1_IRQ         (BCM_63268_HIGH_IRQ_BASE + 11)
+#define BCM_63268_DECT0_IRQ            (BCM_63268_HIGH_IRQ_BASE + 0)
+#define BCM_63268_DECT1_IRQ            (BCM_63268_HIGH_IRQ_BASE + 1)
+#define BCM_63268_EXT_IRQ0             (BCM_63268_HIGH_IRQ_BASE + 12)
+#define BCM_63268_EXT_IRQ1             (BCM_63268_HIGH_IRQ_BASE + 13)
+#define BCM_63268_EXT_IRQ2             (BCM_63268_HIGH_IRQ_BASE + 14)
+#define BCM_63268_EXT_IRQ3             (BCM_63268_HIGH_IRQ_BASE + 15)
+
 extern const int *bcm63xx_irqs;
 
 #define __GEN_CPU_IRQ_TABLE(__cpu)                                     \
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h
@@ -23,6 +23,8 @@ static inline unsigned long bcm63xx_gpio
                return 48;
        case BCM6368_CPU_ID:
                return 38;
+       case BCM63268_CPU_ID:
+               return 52;
        case BCM6348_CPU_ID:
        default:
                return 37;
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
@@ -10,6 +10,8 @@
 #define PERF_REV_REG                   0x0
 #define REV_CHIPID_SHIFT               16
 #define REV_CHIPID_MASK                        (0xffff << REV_CHIPID_SHIFT)
+#define REV_LONG_CHIPID_SHIFT          12
+#define REV_LONG_CHIPID_MASK           (0xfffff << REV_LONG_CHIPID_SHIFT)
 #define REV_VARID_SHIFT                        12
 #define REV_VARID_MASK                 (0xf << REV_VARID_SHIFT)
 #define REV_REVID_SHIFT                        0
@@ -212,6 +214,52 @@
                                        CKCTL_6368_NAND_EN |            \
                                        CKCTL_6368_IPSEC_EN)
 
+#define CKCTL_63268_DISABLE_GLESS      (1 << 0)
+#define CKCTL_63268_VDSL_QPROC_EN      (1 << 1)
+#define CKCTL_63268_VDSL_AFE_EN                (1 << 2)
+#define CKCTL_63268_VDSL_EN            (1 << 3)
+#define CKCTL_63268_MIPS_EN            (1 << 4)
+#define CKCTL_63268_WLAN_OCP_EN                (1 << 5)
+#define CKCTL_63268_DECT_EN            (1 << 6)
+#define CKCTL_63268_FAP0_EN            (1 << 7)
+#define CKCTL_63268_FAP1_EN            (1 << 8)
+#define CKCTL_63268_SAR_EN             (1 << 9)
+#define CKCTL_63268_ROBOSW_EN          (1 << 10)
+#define CKCTL_63268_PCM_EN             (1 << 11)
+#define CKCTL_63268_USBD_EN            (1 << 12)
+#define CKCTL_63268_USBH_EN            (1 << 13)
+#define CKCTL_63268_IPSEC_EN           (1 << 14)
+#define CKCTL_63268_SPI_EN             (1 << 15)
+#define CKCTL_63268_HSSPI_EN           (1 << 16)
+#define CKCTL_63268_PCIE_EN            (1 << 17)
+#define CKCTL_63268_PHYMIPS_EN         (1 << 18)
+#define CKCTL_63268_GMAC_EN            (1 << 19)
+#define CKCTL_63268_NAND_EN            (1 << 20)
+#define CKCTL_63268_TBUS_EN            (1 << 27)
+#define CKCTL_63268_ROBOSW250_EN       (1 << 31)
+
+#define CKCTL_63268_ALL_SAFE_EN                (CKCTL_63268_VDSL_QPROC_EN |    \
+                                       CKCTL_63268_VDSL_AFE_EN |       \
+                                       CKCTL_63268_VDSL_EN |           \
+                                       CKCTL_63268_WLAN_OCP_EN |       \
+                                       CKCTL_63268_DECT_EN |           \
+                                       CKCTL_63268_FAP0_EN |           \
+                                       CKCTL_63268_FAP1_EN |           \
+                                       CKCTL_63268_SAR_EN |            \
+                                       CKCTL_63268_ROBOSW_EN |         \
+                                       CKCTL_63268_PCM_EN |            \
+                                       CKCTL_63268_USBD_EN |           \
+                                       CKCTL_63268_USBH_EN |           \
+                                       CKCTL_63268_IPSEC_EN |          \
+                                       CKCTL_63268_SPI_EN |            \
+                                       CKCTL_63268_HSSPI_EN |          \
+                                       CKCTL_63268_PCIE_EN |           \
+                                       CKCTL_63268_PHYMIPS_EN |        \
+                                       CKCTL_63268_GMAC_EN |           \
+                                       CKCTL_63268_NAND_EN |           \
+                                       CKCTL_63268_TBUS_EN |           \
+                                       CKCTL_63268_ROBOSW250_EN)
+
 /* System PLL Control register */
 #define PERF_SYS_PLL_CTL_REG           0x8
 #define SYS_PLL_SOFT_RESET             0x1
@@ -225,6 +273,7 @@
 #define PERF_IRQMASK_6358_REG(x)       (0xc + (x) * 0x2c)
 #define PERF_IRQMASK_6362_REG(x)       (0x20 + (x) * 0x10)
 #define PERF_IRQMASK_6368_REG(x)       (0x20 + (x) * 0x10)
+#define PERF_IRQMASK_63268_REG(x)      (0x20 + (x) * 0x20)
 
 /* Interrupt Status register */
 #define PERF_IRQSTAT_3368_REG          0x10
@@ -235,6 +284,7 @@
 #define PERF_IRQSTAT_6358_REG(x)       (0x10 + (x) * 0x2c)
 #define PERF_IRQSTAT_6362_REG(x)       (0x28 + (x) * 0x10)
 #define PERF_IRQSTAT_6368_REG(x)       (0x28 + (x) * 0x10)
+#define PERF_IRQSTAT_63268_REG(x)      (0x30 + (x) * 0x20)
 
 /* External Interrupt Configuration register */
 #define PERF_EXTIRQ_CFG_REG_3368       0x14
@@ -245,6 +295,7 @@
 #define PERF_EXTIRQ_CFG_REG_6358       0x14
 #define PERF_EXTIRQ_CFG_REG_6362       0x18
 #define PERF_EXTIRQ_CFG_REG_6368       0x18
+#define PERF_EXTIRQ_CFG_REG_63268      0x18
 
 #define PERF_EXTIRQ_CFG_REG2_6358      0x1c
 #define PERF_EXTIRQ_CFG_REG2_6368      0x1c
@@ -275,6 +326,7 @@
 #define PERF_SOFTRESET_6358_REG                0x34
 #define PERF_SOFTRESET_6362_REG                0x10
 #define PERF_SOFTRESET_6368_REG                0x10
+#define PERF_SOFTRESET_63268_REG       0x10
 
 #define SOFTRESET_3368_SPI_MASK                (1 << 0)
 #define SOFTRESET_3368_ENET_MASK       (1 << 2)
@@ -368,6 +420,26 @@
 #define SOFTRESET_6368_USBH_MASK       (1 << 12)
 #define SOFTRESET_6368_PCM_MASK                (1 << 13)
 
+#define SOFTRESET_63268_SPI_MASK       (1 << 0)
+#define SOFTRESET_63268_IPSEC_MASK     (1 << 1)
+#define SOFTRESET_63268_EPHY_MASK      (1 << 2)
+#define SOFTRESET_63268_SAR_MASK       (1 << 3)
+#define SOFTRESET_63268_ENETSW_MASK    (1 << 4)
+#define SOFTRESET_63268_USBS_MASK      (1 << 5)
+#define SOFTRESET_63268_USBH_MASK      (1 << 6)
+#define SOFTRESET_63268_PCM_MASK       (1 << 7)
+#define SOFTRESET_63268_PCIE_CORE_MASK (1 << 8)
+#define SOFTRESET_63268_PCIE_MASK      (1 << 9)
+#define SOFTRESET_63268_PCIE_EXT_MASK  (1 << 10)
+#define SOFTRESET_63268_WLAN_SHIM_MASK (1 << 11)
+#define SOFTRESET_63268_DDR_PHY_MASK   (1 << 12)
+#define SOFTRESET_63268_FAP0_MASK      (1 << 13)
+#define SOFTRESET_63268_WLAN_UBUS_MASK (1 << 14)
+#define SOFTRESET_63268_DECT_MASK      (1 << 15)
+#define SOFTRESET_63268_FAP1_MASK      (1 << 16)
+#define SOFTRESET_63268_PCIE_HARD_MASK (1 << 17)
+#define SOFTRESET_63268_GPHY_MASK      (1 << 18)
+
 /* MIPS PLL control register */
 #define PERF_MIPSPLLCTL_REG            0x34
 #define MIPSPLLCTL_N1_SHIFT            20
@@ -1367,6 +1439,13 @@
 #define STRAPBUS_6362_BOOT_SEL_SERIAL  (1 << 15)
 #define STRAPBUS_6362_BOOT_SEL_NAND    (0 << 15)
 
+#define MISC_STRAPBUS_63268_REG                0x14
+#define STRAPBUS_63268_HSSPI_CLK_FAST  (1 << 9)
+#define STRAPBUS_63268_BOOT_SEL_SERIAL (1 << 11)
+#define STRAPBUS_63268_BOOT_SEL_NAND   (0 << 11)
+#define STRAPBUS_63268_FCVO_SHIFT      21
+#define STRAPBUS_63268_FCVO_MASK       (0xf << STRAPBUS_63268_FCVO_SHIFT)
+
 #define MISC_STRAPBUS_6328_REG         0x240
 #define STRAPBUS_6328_FCVO_SHIFT       7
 #define STRAPBUS_6328_FCVO_MASK                (0x1f << STRAPBUS_6328_FCVO_SHIFT)
--- a/arch/mips/include/asm/mach-bcm63xx/ioremap.h
+++ b/arch/mips/include/asm/mach-bcm63xx/ioremap.h
@@ -26,6 +26,7 @@ static inline int is_bcm63xx_internal_re
        case BCM6328_CPU_ID:
        case BCM6362_CPU_ID:
        case BCM6368_CPU_ID:
+       case BCM63268_CPU_ID:
                if (offset >= 0xb0000000 && offset < 0xb1000000)
                        return 1;
                break;
--- a/arch/mips/bcm63xx/dev-hsspi.c
+++ b/arch/mips/bcm63xx/dev-hsspi.c
@@ -35,7 +35,7 @@ static struct platform_device bcm63xx_hs
 
 int __init bcm63xx_hsspi_register(void)
 {
-       if (!BCMCPU_IS_6328() && !BCMCPU_IS_6362())
+       if (!BCMCPU_IS_6328() && !BCMCPU_IS_6362() && !BCMCPU_IS_63268())
                return -ENODEV;
 
        spi_resources[0].start = bcm63xx_regset_address(RSET_HSSPI);
--- a/arch/mips/bcm63xx/dev-enet.c
+++ b/arch/mips/bcm63xx/dev-enet.c
@@ -176,7 +176,8 @@ static int __init register_shared(void)
        else
                shared_res[0].end += (RSET_ENETDMA_SIZE)  - 1;
 
-       if (BCMCPU_IS_6328() || BCMCPU_IS_6362() || BCMCPU_IS_6368())
+       if (BCMCPU_IS_6328() || BCMCPU_IS_6362() || BCMCPU_IS_6368() ||
+               BCMCPU_IS_63268())
                chan_count = 32;
        else if (BCMCPU_IS_6345())
                chan_count = 8;
@@ -284,7 +285,8 @@ bcm63xx_enetsw_register(const struct bcm
 {
        int ret;
 
-       if (!BCMCPU_IS_6328() && !BCMCPU_IS_6362() && !BCMCPU_IS_6368())
+       if (!BCMCPU_IS_6328() && !BCMCPU_IS_6362() && !BCMCPU_IS_6368() &&
+               !BCMCPU_IS_63268())
                return -ENODEV;
 
        ret = register_shared();
@@ -305,6 +307,8 @@ bcm63xx_enetsw_register(const struct bcm
                enetsw_pd.num_ports = ENETSW_PORTS_6328;
        else if (BCMCPU_IS_6362() || BCMCPU_IS_6368())
                enetsw_pd.num_ports = ENETSW_PORTS_6368;
+       else if (BCMCPU_IS_63268())
+               enetsw_pd.num_ports = ENETSW_PORTS_63268;
 
        enetsw_pd.dma_has_sram = true;
        enetsw_pd.dma_chan_width = ENETDMA_CHAN_WIDTH;
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h
@@ -67,6 +67,7 @@ struct bcm63xx_enet_platform_data {
 #define ENETSW_MAX_PORT        8
 #define ENETSW_PORTS_6328 5 /* 4 FE PHY + 1 RGMII */
 #define ENETSW_PORTS_6368 6 /* 4 FE PHY + 2 RGMII */
+#define ENETSW_PORTS_63268 8 /* 3 FE PHY + 1 GE PHY + 4 RGMII */
 
 #define ENETSW_RGMII_PORT0     4