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[PATCH 4/8] MIPS: BCM63XX: add basic BCM6328 CPU support

To: Ralf Baechle <ralf@linux-mips.org>
Subject: [PATCH 4/8] MIPS: BCM63XX: add basic BCM6328 CPU support
From: Jonas Gorski <jonas.gorski@gmail.com>
Date: Tue, 12 Jun 2012 10:23:41 +0200
Cc: linux-mips@linux-mips.org, Maxime Bizon <mbizon@freebox.fr>, Florian Fainelli <florian@openwrt.org>, Kevin Cernekee <cernekee@gmail.com>
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Add basic BCM6328 support. This includes CPU speed, memory size
detection and working uart, but no support for attached flashes,
lacking the appropriate drivers.

Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
---
 arch/mips/bcm63xx/Kconfig                         |    3 +
 arch/mips/bcm63xx/boards/board_bcm963xx.c         |   12 ++-
 arch/mips/bcm63xx/cpu.c                           |   43 ++++++++
 arch/mips/bcm63xx/dev-flash.c                     |    6 +
 arch/mips/bcm63xx/dev-spi.c                       |    2 +-
 arch/mips/bcm63xx/irq.c                           |   21 ++++
 arch/mips/bcm63xx/prom.c                          |    4 +-
 arch/mips/bcm63xx/setup.c                         |   13 ++-
 arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h  |  111 ++++++++++++++++++++-
 arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h |    2 +
 arch/mips/include/asm/mach-bcm63xx/bcm63xx_io.h   |    2 +
 arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h |   54 ++++++++++
 arch/mips/include/asm/mach-bcm63xx/ioremap.h      |    1 +
 13 files changed, 265 insertions(+), 9 deletions(-)

diff --git a/arch/mips/bcm63xx/Kconfig b/arch/mips/bcm63xx/Kconfig
index 6b1b9ad..09e93ca 100644
--- a/arch/mips/bcm63xx/Kconfig
+++ b/arch/mips/bcm63xx/Kconfig
@@ -1,6 +1,9 @@
 menu "CPU support"
        depends on BCM63XX
 
+config BCM63XX_CPU_6328
+       bool "support 6328 CPU"
+
 config BCM63XX_CPU_6338
        bool "support 6338 CPU"
        select HW_HAS_PCI
diff --git a/arch/mips/bcm63xx/boards/board_bcm963xx.c 
b/arch/mips/bcm63xx/boards/board_bcm963xx.c
index bdfbdf9..be7498a 100644
--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
+++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
@@ -708,9 +708,15 @@ void __init board_prom_init(void)
        char cfe_version[32];
        u32 val;
 
-       /* read base address of boot chip select (0) */
-       val = bcm_mpi_readl(MPI_CSBASE_REG(0));
-       val &= MPI_CSBASE_BASE_MASK;
+       /* read base address of boot chip select (0)
+        * 6328 does not have MPI but boots from a fixed address
+        */
+       if (BCMCPU_IS_6328())
+               val = 0x18000000;
+       else {
+               val = bcm_mpi_readl(MPI_CSBASE_REG(0));
+               val &= MPI_CSBASE_BASE_MASK;
+       }
        boot_addr = (u8 *)KSEG1ADDR(val);
 
        /* dump cfe version */
diff --git a/arch/mips/bcm63xx/cpu.c b/arch/mips/bcm63xx/cpu.c
index e3c1da5..a7afb28 100644
--- a/arch/mips/bcm63xx/cpu.c
+++ b/arch/mips/bcm63xx/cpu.c
@@ -29,6 +29,14 @@ static u16 bcm63xx_cpu_rev;
 static unsigned int bcm63xx_cpu_freq;
 static unsigned int bcm63xx_memory_size;
 
+static const unsigned long bcm6328_regs_base[] = {
+       __GEN_CPU_REGS_TABLE(6328)
+};
+
+static const int bcm6328_irqs[] = {
+       __GEN_CPU_IRQ_TABLE(6328)
+};
+
 static const unsigned long bcm6338_regs_base[] = {
        __GEN_CPU_REGS_TABLE(6338)
 };
@@ -99,6 +107,33 @@ unsigned int bcm63xx_get_memory_size(void)
 static unsigned int detect_cpu_clock(void)
 {
        switch (bcm63xx_get_cpu_id()) {
+       case BCM6328_CPU_ID:
+       {
+               unsigned int tmp, mips_pll_fcvo;
+
+               tmp = bcm_misc_readl(MISC_STRAPBUS_6328_REG);
+               mips_pll_fcvo = (tmp & STRAPBUS_6328_FCVO_MASK)
+                               >> STRAPBUS_6328_FCVO_SHIFT;
+
+               switch (mips_pll_fcvo) {
+               case 0x12:
+               case 0x14:
+               case 0x19:
+                       return 160000000;
+               case 0x1c:
+                       return 192000000;
+               case 0x13:
+               case 0x15:
+                       return 200000000;
+               case 0x1a:
+                       return 384000000;
+               case 0x16:
+                       return 400000000;
+               default:
+                       return 320000000;
+               }
+
+       }
        case BCM6338_CPU_ID:
                /* BCM6338 has a fixed 240 Mhz frequency */
                return 240000000;
@@ -170,6 +205,9 @@ static unsigned int detect_memory_size(void)
        unsigned int cols = 0, rows = 0, is_32bits = 0, banks = 0;
        u32 val;
 
+       if (BCMCPU_IS_6328())
+               return bcm_ddr_readl(DDR_CSEND_REG) << 24;
+
        if (BCMCPU_IS_6345()) {
                val = bcm_sdram_readl(SDRAM_MBASE_REG);
                return (val * 8 * 1024 * 1024);
@@ -237,6 +275,11 @@ void __init bcm63xx_cpu_init(void)
                        u16 chip_id = bcm_readw(BCM_6368_PERF_BASE);
 
                        switch (chip_id) {
+                       case BCM6328_CPU_ID:
+                               expected_cpu_id = BCM6328_CPU_ID;
+                               bcm63xx_regs_base = bcm6328_regs_base;
+                               bcm63xx_irqs = bcm6328_irqs;
+                               break;
                        case BCM6368_CPU_ID:
                                expected_cpu_id = BCM6368_CPU_ID;
                                bcm63xx_regs_base = bcm6368_regs_base;
diff --git a/arch/mips/bcm63xx/dev-flash.c b/arch/mips/bcm63xx/dev-flash.c
index 1051fae..58371c7 100644
--- a/arch/mips/bcm63xx/dev-flash.c
+++ b/arch/mips/bcm63xx/dev-flash.c
@@ -60,6 +60,12 @@ static int __init bcm63xx_detect_flash_type(void)
        u32 val;
 
        switch (bcm63xx_get_cpu_id()) {
+       case BCM6328_CPU_ID:
+               val = bcm_misc_readl(MISC_STRAPBUS_6328_REG);
+               if (val & STRAPBUS_6328_BOOT_SEL_SERIAL)
+                       return BCM63XX_FLASH_TYPE_SERIAL;
+               else
+                       return BCM63XX_FLASH_TYPE_NAND;
        case BCM6338_CPU_ID:
        case BCM6345_CPU_ID:
        case BCM6348_CPU_ID:
diff --git a/arch/mips/bcm63xx/dev-spi.c b/arch/mips/bcm63xx/dev-spi.c
index 67fa45b..e39f730 100644
--- a/arch/mips/bcm63xx/dev-spi.c
+++ b/arch/mips/bcm63xx/dev-spi.c
@@ -87,7 +87,7 @@ int __init bcm63xx_spi_register(void)
 {
        struct clk *periph_clk;
 
-       if (BCMCPU_IS_6345())
+       if (BCMCPU_IS_6328() || BCMCPU_IS_6345())
                return -ENODEV;
 
        periph_clk = clk_get(NULL, "periph");
diff --git a/arch/mips/bcm63xx/irq.c b/arch/mips/bcm63xx/irq.c
index 9a216a4..18e051a 100644
--- a/arch/mips/bcm63xx/irq.c
+++ b/arch/mips/bcm63xx/irq.c
@@ -27,6 +27,17 @@ static void __internal_irq_unmask_32(unsigned int irq) 
__maybe_unused;
 static void __internal_irq_unmask_64(unsigned int irq) __maybe_unused;
 
 #ifndef BCMCPU_RUNTIME_DETECT
+#ifdef CONFIG_BCM63XX_CPU_6328
+#define irq_stat_reg           PERF_IRQSTAT_6328_REG
+#define irq_mask_reg           PERF_IRQMASK_6328_REG
+#define irq_bits               64
+#define is_ext_irq_cascaded    1
+#define ext_irq_start          (BCM_6328_EXT_IRQ0 - IRQ_INTERNAL_BASE)
+#define ext_irq_end            (BCM_6328_EXT_IRQ3 - IRQ_INTERNAL_BASE)
+#define ext_irq_count          4
+#define ext_irq_cfg_reg1       PERF_EXTIRQ_CFG_REG_6328
+#define ext_irq_cfg_reg2       0
+#endif
 #ifdef CONFIG_BCM63XX_CPU_6338
 #define irq_stat_reg           PERF_IRQSTAT_6338_REG
 #define irq_mask_reg           PERF_IRQMASK_6338_REG
@@ -118,6 +129,16 @@ static void bcm63xx_init_irq(void)
        irq_mask_addr = bcm63xx_regset_address(RSET_PERF);
 
        switch (bcm63xx_get_cpu_id()) {
+       case BCM6328_CPU_ID:
+               irq_stat_addr += PERF_IRQSTAT_6328_REG;
+               irq_mask_addr += PERF_IRQMASK_6328_REG;
+               irq_bits = 64;
+               ext_irq_count = 4;
+               is_ext_irq_cascaded = 1;
+               ext_irq_start = BCM_6328_EXT_IRQ0 - IRQ_INTERNAL_BASE;
+               ext_irq_end = BCM_6328_EXT_IRQ3 - IRQ_INTERNAL_BASE;
+               ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6328;
+               break;
        case BCM6338_CPU_ID:
                irq_stat_addr += PERF_IRQSTAT_6338_REG;
                irq_mask_addr += PERF_IRQMASK_6338_REG;
diff --git a/arch/mips/bcm63xx/prom.c b/arch/mips/bcm63xx/prom.c
index 99d7f40..10eaff4 100644
--- a/arch/mips/bcm63xx/prom.c
+++ b/arch/mips/bcm63xx/prom.c
@@ -26,7 +26,9 @@ void __init prom_init(void)
        bcm_wdt_writel(WDT_STOP_2, WDT_CTL_REG);
 
        /* disable all hardware blocks clock for now */
-       if (BCMCPU_IS_6338())
+       if (BCMCPU_IS_6328())
+               mask = CKCTL_6328_ALL_SAFE_EN;
+       else if (BCMCPU_IS_6338())
                mask = CKCTL_6338_ALL_SAFE_EN;
        else if (BCMCPU_IS_6345())
                mask = CKCTL_6345_ALL_SAFE_EN;
diff --git a/arch/mips/bcm63xx/setup.c b/arch/mips/bcm63xx/setup.c
index 356b055..0e74a13 100644
--- a/arch/mips/bcm63xx/setup.c
+++ b/arch/mips/bcm63xx/setup.c
@@ -68,6 +68,9 @@ void bcm63xx_machine_reboot(void)
 
        /* mask and clear all external irq */
        switch (bcm63xx_get_cpu_id()) {
+       case BCM6328_CPU_ID:
+               perf_regs[0] = PERF_EXTIRQ_CFG_REG_6328;
+               break;
        case BCM6338_CPU_ID:
                perf_regs[0] = PERF_EXTIRQ_CFG_REG_6338;
                break;
@@ -95,9 +98,13 @@ void bcm63xx_machine_reboot(void)
                bcm6348_a1_reboot();
 
        printk(KERN_INFO "triggering watchdog soft-reset...\n");
-       reg = bcm_perf_readl(PERF_SYS_PLL_CTL_REG);
-       reg |= SYS_PLL_SOFT_RESET;
-       bcm_perf_writel(reg, PERF_SYS_PLL_CTL_REG);
+       if (BCMCPU_IS_6328()) {
+               bcm_wdt_writel(1, WDT_SOFTRESET_REG);
+       } else {
+               reg = bcm_perf_readl(PERF_SYS_PLL_CTL_REG);
+               reg |= SYS_PLL_SOFT_RESET;
+               bcm_perf_writel(reg, PERF_SYS_PLL_CTL_REG);
+       }
        while (1)
                ;
 }
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h 
b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
index 0c981aa..b842b6d 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
@@ -9,6 +9,7 @@
  * compile time if only one CPU support is enabled (idea stolen from
  * arm mach-types)
  */
+#define BCM6328_CPU_ID         0x6328
 #define BCM6338_CPU_ID         0x6338
 #define BCM6345_CPU_ID         0x6345
 #define BCM6348_CPU_ID         0x6348
@@ -20,6 +21,19 @@ u16 __bcm63xx_get_cpu_id(void);
 u16 bcm63xx_get_cpu_rev(void);
 unsigned int bcm63xx_get_cpu_freq(void);
 
+#ifdef CONFIG_BCM63XX_CPU_6328
+# ifdef bcm63xx_get_cpu_id
+#  undef bcm63xx_get_cpu_id
+#  define bcm63xx_get_cpu_id() __bcm63xx_get_cpu_id()
+#  define BCMCPU_RUNTIME_DETECT
+# else
+#  define bcm63xx_get_cpu_id() BCM6328_CPU_ID
+# endif
+# define BCMCPU_IS_6328()      (bcm63xx_get_cpu_id() == BCM6328_CPU_ID)
+#else
+# define BCMCPU_IS_6328()      (0)
+#endif
+
 #ifdef CONFIG_BCM63XX_CPU_6338
 # ifdef bcm63xx_get_cpu_id
 #  undef bcm63xx_get_cpu_id
@@ -129,7 +143,8 @@ enum bcm63xx_regs_set {
        RSET_PCMDMA,
        RSET_PCMDMAC,
        RSET_PCMDMAS,
-       RSET_RNG
+       RSET_RNG,
+       RSET_MISC
 };
 
 #define RSET_DSL_LMEM_SIZE             (64 * 1024 * 4)
@@ -156,6 +171,49 @@ enum bcm63xx_regs_set {
 #define RSET_RNG_SIZE                  20
 
 /*
+ * 6328 register sets base address
+ */
+#define BCM_6328_DSL_LMEM_BASE         (0xdeadbeef)
+#define BCM_6328_PERF_BASE             (0xb0000000)
+#define BCM_6328_TIMER_BASE            (0xb0000040)
+#define BCM_6328_WDT_BASE              (0xb000005c)
+#define BCM_6328_UART0_BASE             (0xb0000100)
+#define BCM_6328_UART1_BASE            (0xb0000120)
+#define BCM_6328_GPIO_BASE             (0xb0000080)
+#define BCM_6328_SPI_BASE              (0xdeadbeef)
+#define BCM_6328_UDC0_BASE             (0xdeadbeef)
+#define BCM_6328_USBDMA_BASE           (0xdeadbeef)
+#define BCM_6328_OHCI0_BASE            (0xdeadbeef)
+#define BCM_6328_OHCI_PRIV_BASE                (0xdeadbeef)
+#define BCM_6328_USBH_PRIV_BASE                (0xdeadbeef)
+#define BCM_6328_MPI_BASE              (0xdeadbeef)
+#define BCM_6328_PCMCIA_BASE           (0xdeadbeef)
+#define BCM_6328_SDRAM_REGS_BASE       (0xdeadbeef)
+#define BCM_6328_DSL_BASE              (0xb0001900)
+#define BCM_6328_UBUS_BASE             (0xdeadbeef)
+#define BCM_6328_ENET0_BASE            (0xdeadbeef)
+#define BCM_6328_ENET1_BASE            (0xdeadbeef)
+#define BCM_6328_ENETDMA_BASE          (0xb000d800)
+#define BCM_6328_ENETDMAC_BASE         (0xb000da00)
+#define BCM_6328_ENETDMAS_BASE         (0xb000dc00)
+#define BCM_6328_ENETSW_BASE           (0xb0e00000)
+#define BCM_6328_EHCI0_BASE            (0x10002500)
+#define BCM_6328_SDRAM_BASE            (0xdeadbeef)
+#define BCM_6328_MEMC_BASE             (0xdeadbeef)
+#define BCM_6328_DDR_BASE              (0xb0003000)
+#define BCM_6328_M2M_BASE              (0xdeadbeef)
+#define BCM_6328_ATM_BASE              (0xdeadbeef)
+#define BCM_6328_XTM_BASE              (0xdeadbeef)
+#define BCM_6328_XTMDMA_BASE           (0xb000b800)
+#define BCM_6328_XTMDMAC_BASE          (0xdeadbeef)
+#define BCM_6328_XTMDMAS_BASE          (0xdeadbeef)
+#define BCM_6328_PCM_BASE              (0xb000a800)
+#define BCM_6328_PCMDMA_BASE           (0xdeadbeef)
+#define BCM_6328_PCMDMAC_BASE          (0xdeadbeef)
+#define BCM_6328_PCMDMAS_BASE          (0xdeadbeef)
+#define BCM_6328_RNG_BASE              (0xdeadbeef)
+#define BCM_6328_MISC_BASE             (0xb0001800)
+/*
  * 6338 register sets base address
  */
 #define BCM_6338_DSL_LMEM_BASE         (0xfff00000)
@@ -198,6 +256,7 @@ enum bcm63xx_regs_set {
 #define BCM_6338_PCMDMAC_BASE          (0xdeadbeef)
 #define BCM_6338_PCMDMAS_BASE          (0xdeadbeef)
 #define BCM_6338_RNG_BASE              (0xdeadbeef)
+#define BCM_6338_MISC_BASE             (0xdeadbeef)
 
 /*
  * 6345 register sets base address
@@ -242,6 +301,7 @@ enum bcm63xx_regs_set {
 #define BCM_6345_PCMDMAC_BASE          (0xdeadbeef)
 #define BCM_6345_PCMDMAS_BASE          (0xdeadbeef)
 #define BCM_6345_RNG_BASE              (0xdeadbeef)
+#define BCM_6345_MISC_BASE             (0xdeadbeef)
 
 /*
  * 6348 register sets base address
@@ -283,6 +343,7 @@ enum bcm63xx_regs_set {
 #define BCM_6348_PCMDMAC_BASE          (0xdeadbeef)
 #define BCM_6348_PCMDMAS_BASE          (0xdeadbeef)
 #define BCM_6348_RNG_BASE              (0xdeadbeef)
+#define BCM_6348_MISC_BASE             (0xdeadbeef)
 
 /*
  * 6358 register sets base address
@@ -324,6 +385,7 @@ enum bcm63xx_regs_set {
 #define BCM_6358_PCMDMAC_BASE          (0xfffe1900)
 #define BCM_6358_PCMDMAS_BASE          (0xfffe1a00)
 #define BCM_6358_RNG_BASE              (0xdeadbeef)
+#define BCM_6358_MISC_BASE             (0xdeadbeef)
 
 
 /*
@@ -366,6 +428,7 @@ enum bcm63xx_regs_set {
 #define BCM_6368_PCMDMAC_BASE          (0xb0005a00)
 #define BCM_6368_PCMDMAS_BASE          (0xb0005c00)
 #define BCM_6368_RNG_BASE              (0xb0004180)
+#define BCM_6368_MISC_BASE             (0xdeadbeef)
 
 
 extern const unsigned long *bcm63xx_regs_base;
@@ -412,6 +475,7 @@ extern const unsigned long *bcm63xx_regs_base;
        __GEN_RSET_BASE(__cpu, PCMDMAC)                                 \
        __GEN_RSET_BASE(__cpu, PCMDMAS)                                 \
        __GEN_RSET_BASE(__cpu, RNG)                                     \
+       __GEN_RSET_BASE(__cpu, MISC)                                    \
        }
 
 #define __GEN_CPU_REGS_TABLE(__cpu)                                    \
@@ -451,6 +515,7 @@ extern const unsigned long *bcm63xx_regs_base;
        [RSET_PCMDMAC]          = BCM_## __cpu ##_PCMDMAC_BASE,         \
        [RSET_PCMDMAS]          = BCM_## __cpu ##_PCMDMAS_BASE,         \
        [RSET_RNG]              = BCM_## __cpu ##_RNG_BASE,             \
+       [RSET_MISC]             = BCM_## __cpu ##_MISC_BASE,            \
 
 
 static inline unsigned long bcm63xx_regset_address(enum bcm63xx_regs_set set)
@@ -458,6 +523,9 @@ static inline unsigned long bcm63xx_regset_address(enum 
bcm63xx_regs_set set)
 #ifdef BCMCPU_RUNTIME_DETECT
        return bcm63xx_regs_base[set];
 #else
+#ifdef CONFIG_BCM63XX_CPU_6328
+       __GEN_RSET(6328)
+#endif
 #ifdef CONFIG_BCM63XX_CPU_6338
        __GEN_RSET(6338)
 #endif
@@ -512,6 +580,47 @@ enum bcm63xx_irq {
 };
 
 /*
+ * 6328 irqs
+ */
+#define BCM_6328_HIGH_IRQ_BASE         (IRQ_INTERNAL_BASE + 32)
+
+#define BCM_6328_TIMER_IRQ             (IRQ_INTERNAL_BASE + 31)
+#define BCM_6328_SPI_IRQ               0
+#define BCM_6328_UART0_IRQ             (IRQ_INTERNAL_BASE + 28)
+#define BCM_6328_UART1_IRQ             (BCM_6328_HIGH_IRQ_BASE + 7)
+#define BCM_6328_DSL_IRQ               (IRQ_INTERNAL_BASE + 4)
+#define BCM_6328_UDC0_IRQ              0
+#define BCM_6328_ENET0_IRQ             0
+#define BCM_6328_ENET1_IRQ             0
+#define BCM_6328_ENET_PHY_IRQ          (IRQ_INTERNAL_BASE + 12)
+#define BCM_6328_OHCI0_IRQ             (IRQ_INTERNAL_BASE + 9)
+#define BCM_6328_EHCI0_IRQ             (IRQ_INTERNAL_BASE + 10)
+#define BCM_6328_PCMCIA_IRQ            0
+#define BCM_6328_ENET0_RXDMA_IRQ       0
+#define BCM_6328_ENET0_TXDMA_IRQ       0
+#define BCM_6328_ENET1_RXDMA_IRQ       0
+#define BCM_6328_ENET1_TXDMA_IRQ       0
+#define BCM_6328_PCI_IRQ               (IRQ_INTERNAL_BASE + 23)
+#define BCM_6328_ATM_IRQ               0
+#define BCM_6328_ENETSW_RXDMA0_IRQ     (BCM_6328_HIGH_IRQ_BASE + 0)
+#define BCM_6328_ENETSW_RXDMA1_IRQ     (BCM_6328_HIGH_IRQ_BASE + 1)
+#define BCM_6328_ENETSW_RXDMA2_IRQ     (BCM_6328_HIGH_IRQ_BASE + 2)
+#define BCM_6328_ENETSW_RXDMA3_IRQ     (BCM_6328_HIGH_IRQ_BASE + 3)
+#define BCM_6328_ENETSW_TXDMA0_IRQ     (BCM_6328_HIGH_IRQ_BASE + 4)
+#define BCM_6328_ENETSW_TXDMA1_IRQ     (BCM_6328_HIGH_IRQ_BASE + 5)
+#define BCM_6328_ENETSW_TXDMA2_IRQ     (BCM_6328_HIGH_IRQ_BASE + 6)
+#define BCM_6328_ENETSW_TXDMA3_IRQ     (BCM_6328_HIGH_IRQ_BASE + 7)
+#define BCM_6328_XTM_IRQ               (BCM_6328_HIGH_IRQ_BASE + 31)
+#define BCM_6328_XTM_DMA0_IRQ          (BCM_6328_HIGH_IRQ_BASE + 11)
+
+#define BCM_6328_PCM_DMA0_IRQ          (IRQ_INTERNAL_BASE + 2)
+#define BCM_6328_PCM_DMA1_IRQ          (IRQ_INTERNAL_BASE + 3)
+#define BCM_6328_EXT_IRQ0              (IRQ_INTERNAL_BASE + 24)
+#define BCM_6328_EXT_IRQ1              (IRQ_INTERNAL_BASE + 25)
+#define BCM_6328_EXT_IRQ2              (IRQ_INTERNAL_BASE + 26)
+#define BCM_6328_EXT_IRQ3              (IRQ_INTERNAL_BASE + 27)
+
+/*
  * 6338 irqs
  */
 #define BCM_6338_TIMER_IRQ             (IRQ_INTERNAL_BASE + 0)
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h 
b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h
index 1d7dd96..0a9891f 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h
@@ -9,6 +9,8 @@ int __init bcm63xx_gpio_init(void);
 static inline unsigned long bcm63xx_gpio_count(void)
 {
        switch (bcm63xx_get_cpu_id()) {
+       case BCM6328_CPU_ID:
+               return 32;
        case BCM6358_CPU_ID:
                return 40;
        case BCM6338_CPU_ID:
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_io.h 
b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_io.h
index 72477a6..6dcd8b2 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_io.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_io.h
@@ -91,5 +91,7 @@
 #define bcm_memc_writel(v, o)  bcm_rset_writel(RSET_MEMC, (v), (o))
 #define bcm_ddr_readl(o)       bcm_rset_readl(RSET_DDR, (o))
 #define bcm_ddr_writel(v, o)   bcm_rset_writel(RSET_DDR, (v), (o))
+#define bcm_misc_readl(o)      bcm_rset_readl(RSET_MISC, (o))
+#define bcm_misc_writel(v, o)  bcm_rset_writel(RSET_MISC, (v), (o))
 
 #endif /* ! BCM63XX_IO_H_ */
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h 
b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
index 849fd97..4fc2ab2 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
@@ -15,6 +15,30 @@
 /* Clock Control register */
 #define PERF_CKCTL_REG                 0x4
 
+#define CKCTL_6328_PHYMIPS_EN          (1 << 0)
+#define CKCTL_6328_ADSL_QPROC_EN       (1 << 1)
+#define CKCTL_6328_ADSL_AFE_EN         (1 << 2)
+#define CKCTL_6328_ADSL_EN             (1 << 3)
+#define CKCTL_6328_MIPS_EN             (1 << 4)
+#define CKCTL_6328_SAR_EN              (1 << 5)
+#define CKCTL_6328_PCM_EN              (1 << 6)
+#define CKCTL_6328_USBD_EN             (1 << 7)
+#define CKCTL_6328_USBH_EN             (1 << 8)
+#define CKCTL_6328_HSSPI_EN            (1 << 9)
+#define CKCTL_6328_PCIE_EN             (1 << 10)
+#define CKCTL_6328_ROBOSW_EN           (1 << 11)
+
+#define CKCTL_6328_ALL_SAFE_EN         (CKCTL_6328_PHYMIPS_EN |        \
+                                       CKCTL_6328_ADSL_QPROC_EN |      \
+                                       CKCTL_6328_ADSL_AFE_EN |        \
+                                       CKCTL_6328_ADSL_EN |            \
+                                       CKCTL_6328_SAR_EN  |            \
+                                       CKCTL_6328_PCM_EN  |            \
+                                       CKCTL_6328_USBD_EN |            \
+                                       CKCTL_6328_USBH_EN |            \
+                                       CKCTL_6328_ROBOSW_EN |          \
+                                       CKCTL_6328_PCIE_EN)
+
 #define CKCTL_6338_ADSLPHY_EN          (1 << 0)
 #define CKCTL_6338_MPI_EN              (1 << 1)
 #define CKCTL_6338_DRAM_EN             (1 << 2)
@@ -119,6 +143,7 @@
 #define SYS_PLL_SOFT_RESET             0x1
 
 /* Interrupt Mask register */
+#define PERF_IRQMASK_6328_REG          0x20
 #define PERF_IRQMASK_6338_REG          0xc
 #define PERF_IRQMASK_6345_REG          0xc
 #define PERF_IRQMASK_6348_REG          0xc
@@ -126,6 +151,7 @@
 #define PERF_IRQMASK_6368_REG          0x20
 
 /* Interrupt Status register */
+#define PERF_IRQSTAT_6328_REG          0x28
 #define PERF_IRQSTAT_6338_REG          0x10
 #define PERF_IRQSTAT_6345_REG          0x10
 #define PERF_IRQSTAT_6348_REG          0x10
@@ -133,6 +159,7 @@
 #define PERF_IRQSTAT_6368_REG          0x28
 
 /* External Interrupt Configuration register */
+#define PERF_EXTIRQ_CFG_REG_6328       0x18
 #define PERF_EXTIRQ_CFG_REG_6338       0x14
 #define PERF_EXTIRQ_CFG_REG_6348       0x14
 #define PERF_EXTIRQ_CFG_REG_6358       0x14
@@ -162,8 +189,21 @@
 
 /* Soft Reset register */
 #define PERF_SOFTRESET_REG             0x28
+#define PERF_SOFTRESET_6328_REG                0x10
 #define PERF_SOFTRESET_6368_REG                0x10
 
+#define SOFTRESET_6328_SPI_MASK                (1 << 0)
+#define SOFTRESET_6328_EPHY_MASK       (1 << 1)
+#define SOFTRESET_6328_SAR_MASK                (1 << 2)
+#define SOFTRESET_6328_ENETSW_MASK     (1 << 3)
+#define SOFTRESET_6328_USBS_MASK       (1 << 4)
+#define SOFTRESET_6328_USBH_MASK       (1 << 5)
+#define SOFTRESET_6328_PCM_MASK                (1 << 6)
+#define SOFTRESET_6328_PCIE_CORE_MASK  (1 << 7)
+#define SOFTRESET_6328_PCIE_MASK       (1 << 8)
+#define SOFTRESET_6328_PCIE_EXT_MASK   (1 << 9)
+#define SOFTRESET_6328_PCIE_HARD_MASK  (1 << 10)
+
 #define SOFTRESET_6338_SPI_MASK                (1 << 0)
 #define SOFTRESET_6338_ENET_MASK       (1 << 2)
 #define SOFTRESET_6338_USBH_MASK       (1 << 3)
@@ -307,6 +347,8 @@
 /* Watchdog reset length register */
 #define WDT_RSTLEN_REG                 0x8
 
+/* Watchdog soft reset register (BCM6328 only) */
+#define WDT_SOFTRESET_REG              0xc
 
 /*************************************************************************
  * _REG relative to RSET_UARTx
@@ -933,6 +975,8 @@
  * _REG relative to RSET_DDR
  *************************************************************************/
 
+#define DDR_CSEND_REG                  0x8
+
 #define DDR_DMIPSPLLCFG_REG            0x18
 #define DMIPSPLLCFG_M1_SHIFT           0
 #define DMIPSPLLCFG_M1_MASK            (0xff << DMIPSPLLCFG_M1_SHIFT)
@@ -1115,4 +1159,14 @@
 #define SPI_SSOFFTIME_SHIFT            3
 #define SPI_BYTE_SWAP                  0x80
 
+/*************************************************************************
+ * _REG relative to RSET_MISC
+ *************************************************************************/
+
+#define MISC_STRAPBUS_6328_REG         0x240
+#define STRAPBUS_6328_FCVO_SHIFT       7
+#define STRAPBUS_6328_FCVO_MASK                (0x1f << 
STRAPBUS_6328_FCVO_SHIFT)
+#define STRAPBUS_6328_BOOT_SEL_SERIAL  (1 << 28)
+#define STRAPBUS_6328_BOOT_SEL_NAND    (0 << 28)
+
 #endif /* BCM63XX_REGS_H_ */
diff --git a/arch/mips/include/asm/mach-bcm63xx/ioremap.h 
b/arch/mips/include/asm/mach-bcm63xx/ioremap.h
index ef94ba7..30931c4 100644
--- a/arch/mips/include/asm/mach-bcm63xx/ioremap.h
+++ b/arch/mips/include/asm/mach-bcm63xx/ioremap.h
@@ -18,6 +18,7 @@ static inline int is_bcm63xx_internal_registers(phys_t offset)
                if (offset >= 0xfff00000)
                        return 1;
                break;
+       case BCM6328_CPU_ID:
        case BCM6368_CPU_ID:
                if (offset >= 0xb0000000 && offset < 0xb1000000)
                        return 1;
-- 
1.7.2.5


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