[brcm63xx] add experimental support for bcm6338

[openwrt/svn-archive/archive.git] / target / linux / brcm63xx / files / arch / mips / bcm63xx / cpu.c

diff --git a/target/linux/brcm63xx/files/arch/mips/bcm63xx/cpu.c b/target/linux/brcm63xx/files/arch/mips/bcm63xx/cpu.c
index 0a403dd07cf48109c904486cc1106d99ce036aad..b7c041f60df4b5fd83ad1116f80ad78eecb9eccb 100644 (file)
--- a/target/linux/brcm63xx/files/arch/mips/bcm63xx/cpu.c
+++ b/target/linux/brcm63xx/files/arch/mips/bcm63xx/cpu.c
@@ -25,6 +25,29 @@ static u16 bcm63xx_cpu_rev;
 static unsigned int bcm63xx_cpu_freq;
 static unsigned int bcm63xx_memory_size;
 
+/*
+ * 6338 register sets and irqs
+ */
+
+static const unsigned long bcm96338_regs_base[] = {
+       [RSET_PERF]             = BCM_6338_PERF_BASE,
+       [RSET_TIMER]            = BCM_6338_TIMER_BASE,
+       [RSET_WDT]              = BCM_6338_WDT_BASE,
+       [RSET_UART0]            = BCM_6338_UART0_BASE,
+       [RSET_GPIO]             = BCM_6338_GPIO_BASE,
+       [RSET_SPI]              = BCM_6338_SPI_BASE,
+};
+
+static const int bcm96338_irqs[] = {
+       [IRQ_TIMER]             = BCM_6338_TIMER_IRQ,
+       [IRQ_UART0]             = BCM_6338_UART0_IRQ,
+       [IRQ_DSL]               = BCM_6338_DSL_IRQ,
+       [IRQ_ENET0]             = BCM_6338_ENET0_IRQ,
+       [IRQ_ENET_PHY]          = BCM_6338_ENET_PHY_IRQ,
+       [IRQ_ENET0_RXDMA]       = BCM_6338_ENET0_RXDMA_IRQ,
+       [IRQ_ENET0_TXDMA]       = BCM_6338_ENET0_TXDMA_IRQ,
+};
+
 /*
  * 6348 register sets and irqs
  */
@@ -137,6 +160,10 @@ static unsigned int detect_cpu_clock(void)
 {
        unsigned int tmp, n1 = 0, n2 = 0, m1 = 0;
 
+       if (BCMCPU_IS_6338()) {
+               return 240000000;
+       }
+
        /*
         * frequency depends on PLL configuration:
         */
@@ -170,7 +197,7 @@ static unsigned int detect_memory_size(void)
        unsigned int cols = 0, rows = 0, is_32bits = 0, banks = 0;
        u32 val;
 
-       if (BCMCPU_IS_6348()) {
+       if (BCMCPU_IS_6338() || BCMCPU_IS_6348()) {
                val = bcm_sdram_readl(SDRAM_CFG_REG);
                rows = (val & SDRAM_CFG_ROW_MASK) >> SDRAM_CFG_ROW_SHIFT;
                cols = (val & SDRAM_CFG_COL_MASK) >> SDRAM_CFG_COL_SHIFT;
@@ -204,6 +231,11 @@ void __init bcm63xx_cpu_init(void)
        expected_cpu_id = 0;
 
        switch (c->cputype) {
+       case CPU_BCM6338:
+               expected_cpu_id = BCM6338_CPU_ID;
+               bcm63xx_regs_base = bcm96338_regs_base;
+               bcm63xx_irqs = bcm96338_irqs;
+               break;
        case CPU_BCM6348:
                expected_cpu_id = BCM6348_CPU_ID;
                bcm63xx_regs_base = bcm96348_regs_base;