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Diffstat (limited to 'arch/mips/bcm63xx/cpu.c')
-rw-r--r--arch/mips/bcm63xx/cpu.c261
1 files changed, 91 insertions, 170 deletions
diff --git a/arch/mips/bcm63xx/cpu.c b/arch/mips/bcm63xx/cpu.c
index 7c7e4d4486c..8f0d6c7725e 100644
--- a/arch/mips/bcm63xx/cpu.c
+++ b/arch/mips/bcm63xx/cpu.c
@@ -29,166 +29,47 @@ 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_DSL_LMEM] = BCM_6338_DSL_LMEM_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_UART1] = BCM_6338_UART1_BASE,
- [RSET_GPIO] = BCM_6338_GPIO_BASE,
- [RSET_SPI] = BCM_6338_SPI_BASE,
- [RSET_OHCI0] = BCM_6338_OHCI0_BASE,
- [RSET_OHCI_PRIV] = BCM_6338_OHCI_PRIV_BASE,
- [RSET_USBH_PRIV] = BCM_6338_USBH_PRIV_BASE,
- [RSET_UDC0] = BCM_6338_UDC0_BASE,
- [RSET_MPI] = BCM_6338_MPI_BASE,
- [RSET_PCMCIA] = BCM_6338_PCMCIA_BASE,
- [RSET_SDRAM] = BCM_6338_SDRAM_BASE,
- [RSET_DSL] = BCM_6338_DSL_BASE,
- [RSET_ENET0] = BCM_6338_ENET0_BASE,
- [RSET_ENET1] = BCM_6338_ENET1_BASE,
- [RSET_ENETDMA] = BCM_6338_ENETDMA_BASE,
- [RSET_MEMC] = BCM_6338_MEMC_BASE,
- [RSET_DDR] = BCM_6338_DDR_BASE,
+static const unsigned long bcm6338_regs_base[] = {
+ __GEN_CPU_REGS_TABLE(6338)
};
-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,
+static const int bcm6338_irqs[] = {
+ __GEN_CPU_IRQ_TABLE(6338)
};
-/*
- * 6345 register sets and irqs
- */
-static const unsigned long bcm96345_regs_base[] = {
- [RSET_DSL_LMEM] = BCM_6345_DSL_LMEM_BASE,
- [RSET_PERF] = BCM_6345_PERF_BASE,
- [RSET_TIMER] = BCM_6345_TIMER_BASE,
- [RSET_WDT] = BCM_6345_WDT_BASE,
- [RSET_UART0] = BCM_6345_UART0_BASE,
- [RSET_UART1] = BCM_6345_UART1_BASE,
- [RSET_GPIO] = BCM_6345_GPIO_BASE,
- [RSET_SPI] = BCM_6345_SPI_BASE,
- [RSET_UDC0] = BCM_6345_UDC0_BASE,
- [RSET_OHCI0] = BCM_6345_OHCI0_BASE,
- [RSET_OHCI_PRIV] = BCM_6345_OHCI_PRIV_BASE,
- [RSET_USBH_PRIV] = BCM_6345_USBH_PRIV_BASE,
- [RSET_MPI] = BCM_6345_MPI_BASE,
- [RSET_PCMCIA] = BCM_6345_PCMCIA_BASE,
- [RSET_DSL] = BCM_6345_DSL_BASE,
- [RSET_ENET0] = BCM_6345_ENET0_BASE,
- [RSET_ENET1] = BCM_6345_ENET1_BASE,
- [RSET_ENETDMA] = BCM_6345_ENETDMA_BASE,
- [RSET_EHCI0] = BCM_6345_EHCI0_BASE,
- [RSET_SDRAM] = BCM_6345_SDRAM_BASE,
- [RSET_MEMC] = BCM_6345_MEMC_BASE,
- [RSET_DDR] = BCM_6345_DDR_BASE,
+static const unsigned long bcm6345_regs_base[] = {
+ __GEN_CPU_REGS_TABLE(6345)
};
-static const int bcm96345_irqs[] = {
- [IRQ_TIMER] = BCM_6345_TIMER_IRQ,
- [IRQ_UART0] = BCM_6345_UART0_IRQ,
- [IRQ_DSL] = BCM_6345_DSL_IRQ,
- [IRQ_ENET0] = BCM_6345_ENET0_IRQ,
- [IRQ_ENET_PHY] = BCM_6345_ENET_PHY_IRQ,
- [IRQ_ENET0_RXDMA] = BCM_6345_ENET0_RXDMA_IRQ,
- [IRQ_ENET0_TXDMA] = BCM_6345_ENET0_TXDMA_IRQ,
+static const int bcm6345_irqs[] = {
+ __GEN_CPU_IRQ_TABLE(6345)
};
-/*
- * 6348 register sets and irqs
- */
-static const unsigned long bcm96348_regs_base[] = {
- [RSET_DSL_LMEM] = BCM_6348_DSL_LMEM_BASE,
- [RSET_PERF] = BCM_6348_PERF_BASE,
- [RSET_TIMER] = BCM_6348_TIMER_BASE,
- [RSET_WDT] = BCM_6348_WDT_BASE,
- [RSET_UART0] = BCM_6348_UART0_BASE,
- [RSET_UART1] = BCM_6348_UART1_BASE,
- [RSET_GPIO] = BCM_6348_GPIO_BASE,
- [RSET_SPI] = BCM_6348_SPI_BASE,
- [RSET_OHCI0] = BCM_6348_OHCI0_BASE,
- [RSET_OHCI_PRIV] = BCM_6348_OHCI_PRIV_BASE,
- [RSET_USBH_PRIV] = BCM_6348_USBH_PRIV_BASE,
- [RSET_MPI] = BCM_6348_MPI_BASE,
- [RSET_PCMCIA] = BCM_6348_PCMCIA_BASE,
- [RSET_SDRAM] = BCM_6348_SDRAM_BASE,
- [RSET_DSL] = BCM_6348_DSL_BASE,
- [RSET_ENET0] = BCM_6348_ENET0_BASE,
- [RSET_ENET1] = BCM_6348_ENET1_BASE,
- [RSET_ENETDMA] = BCM_6348_ENETDMA_BASE,
- [RSET_MEMC] = BCM_6348_MEMC_BASE,
- [RSET_DDR] = BCM_6348_DDR_BASE,
+static const unsigned long bcm6348_regs_base[] = {
+ __GEN_CPU_REGS_TABLE(6348)
};
-static const int bcm96348_irqs[] = {
- [IRQ_TIMER] = BCM_6348_TIMER_IRQ,
- [IRQ_UART0] = BCM_6348_UART0_IRQ,
- [IRQ_DSL] = BCM_6348_DSL_IRQ,
- [IRQ_ENET0] = BCM_6348_ENET0_IRQ,
- [IRQ_ENET1] = BCM_6348_ENET1_IRQ,
- [IRQ_ENET_PHY] = BCM_6348_ENET_PHY_IRQ,
- [IRQ_OHCI0] = BCM_6348_OHCI0_IRQ,
- [IRQ_PCMCIA] = BCM_6348_PCMCIA_IRQ,
- [IRQ_ENET0_RXDMA] = BCM_6348_ENET0_RXDMA_IRQ,
- [IRQ_ENET0_TXDMA] = BCM_6348_ENET0_TXDMA_IRQ,
- [IRQ_ENET1_RXDMA] = BCM_6348_ENET1_RXDMA_IRQ,
- [IRQ_ENET1_TXDMA] = BCM_6348_ENET1_TXDMA_IRQ,
- [IRQ_PCI] = BCM_6348_PCI_IRQ,
+static const int bcm6348_irqs[] = {
+ __GEN_CPU_IRQ_TABLE(6348)
+
};
-/*
- * 6358 register sets and irqs
- */
-static const unsigned long bcm96358_regs_base[] = {
- [RSET_DSL_LMEM] = BCM_6358_DSL_LMEM_BASE,
- [RSET_PERF] = BCM_6358_PERF_BASE,
- [RSET_TIMER] = BCM_6358_TIMER_BASE,
- [RSET_WDT] = BCM_6358_WDT_BASE,
- [RSET_UART0] = BCM_6358_UART0_BASE,
- [RSET_UART1] = BCM_6358_UART1_BASE,
- [RSET_GPIO] = BCM_6358_GPIO_BASE,
- [RSET_SPI] = BCM_6358_SPI_BASE,
- [RSET_OHCI0] = BCM_6358_OHCI0_BASE,
- [RSET_EHCI0] = BCM_6358_EHCI0_BASE,
- [RSET_OHCI_PRIV] = BCM_6358_OHCI_PRIV_BASE,
- [RSET_USBH_PRIV] = BCM_6358_USBH_PRIV_BASE,
- [RSET_MPI] = BCM_6358_MPI_BASE,
- [RSET_PCMCIA] = BCM_6358_PCMCIA_BASE,
- [RSET_SDRAM] = BCM_6358_SDRAM_BASE,
- [RSET_DSL] = BCM_6358_DSL_BASE,
- [RSET_ENET0] = BCM_6358_ENET0_BASE,
- [RSET_ENET1] = BCM_6358_ENET1_BASE,
- [RSET_ENETDMA] = BCM_6358_ENETDMA_BASE,
- [RSET_MEMC] = BCM_6358_MEMC_BASE,
- [RSET_DDR] = BCM_6358_DDR_BASE,
+static const unsigned long bcm6358_regs_base[] = {
+ __GEN_CPU_REGS_TABLE(6358)
+};
+
+static const int bcm6358_irqs[] = {
+ __GEN_CPU_IRQ_TABLE(6358)
+
};
-static const int bcm96358_irqs[] = {
- [IRQ_TIMER] = BCM_6358_TIMER_IRQ,
- [IRQ_UART0] = BCM_6358_UART0_IRQ,
- [IRQ_UART1] = BCM_6358_UART1_IRQ,
- [IRQ_DSL] = BCM_6358_DSL_IRQ,
- [IRQ_ENET0] = BCM_6358_ENET0_IRQ,
- [IRQ_ENET1] = BCM_6358_ENET1_IRQ,
- [IRQ_ENET_PHY] = BCM_6358_ENET_PHY_IRQ,
- [IRQ_OHCI0] = BCM_6358_OHCI0_IRQ,
- [IRQ_EHCI0] = BCM_6358_EHCI0_IRQ,
- [IRQ_PCMCIA] = BCM_6358_PCMCIA_IRQ,
- [IRQ_ENET0_RXDMA] = BCM_6358_ENET0_RXDMA_IRQ,
- [IRQ_ENET0_TXDMA] = BCM_6358_ENET0_TXDMA_IRQ,
- [IRQ_ENET1_RXDMA] = BCM_6358_ENET1_RXDMA_IRQ,
- [IRQ_ENET1_TXDMA] = BCM_6358_ENET1_TXDMA_IRQ,
- [IRQ_PCI] = BCM_6358_PCI_IRQ,
+static const unsigned long bcm6368_regs_base[] = {
+ __GEN_CPU_REGS_TABLE(6368)
+};
+
+static const int bcm6368_irqs[] = {
+ __GEN_CPU_IRQ_TABLE(6368)
+
};
u16 __bcm63xx_get_cpu_id(void)
@@ -217,20 +98,19 @@ unsigned int bcm63xx_get_memory_size(void)
static unsigned int detect_cpu_clock(void)
{
- unsigned int tmp, n1 = 0, n2 = 0, m1 = 0;
-
- /* BCM6338 has a fixed 240 Mhz frequency */
- if (BCMCPU_IS_6338())
+ switch (bcm63xx_get_cpu_id()) {
+ case BCM6338_CPU_ID:
+ /* BCM6338 has a fixed 240 Mhz frequency */
return 240000000;
- /* BCM6345 has a fixed 140Mhz frequency */
- if (BCMCPU_IS_6345())
+ case BCM6345_CPU_ID:
+ /* BCM6345 has a fixed 140Mhz frequency */
return 140000000;
- /*
- * frequency depends on PLL configuration:
- */
- if (BCMCPU_IS_6348()) {
+ case BCM6348_CPU_ID:
+ {
+ unsigned int tmp, n1, n2, m1;
+
/* 16MHz * (N1 + 1) * (N2 + 2) / (M1_CPU + 1) */
tmp = bcm_perf_readl(PERF_MIPSPLLCTL_REG);
n1 = (tmp & MIPSPLLCTL_N1_MASK) >> MIPSPLLCTL_N1_SHIFT;
@@ -239,17 +119,47 @@ static unsigned int detect_cpu_clock(void)
n1 += 1;
n2 += 2;
m1 += 1;
+ return (16 * 1000000 * n1 * n2) / m1;
}
- if (BCMCPU_IS_6358()) {
+ case BCM6358_CPU_ID:
+ {
+ unsigned int tmp, n1, n2, m1;
+
/* 16MHz * N1 * N2 / M1_CPU */
tmp = bcm_ddr_readl(DDR_DMIPSPLLCFG_REG);
n1 = (tmp & DMIPSPLLCFG_N1_MASK) >> DMIPSPLLCFG_N1_SHIFT;
n2 = (tmp & DMIPSPLLCFG_N2_MASK) >> DMIPSPLLCFG_N2_SHIFT;
m1 = (tmp & DMIPSPLLCFG_M1_MASK) >> DMIPSPLLCFG_M1_SHIFT;
+ return (16 * 1000000 * n1 * n2) / m1;
}
- return (16 * 1000000 * n1 * n2) / m1;
+ case BCM6368_CPU_ID:
+ {
+ unsigned int tmp, p1, p2, ndiv, m1;
+
+ /* (64MHz / P1) * P2 * NDIV / M1_CPU */
+ tmp = bcm_ddr_readl(DDR_DMIPSPLLCFG_6368_REG);
+
+ p1 = (tmp & DMIPSPLLCFG_6368_P1_MASK) >>
+ DMIPSPLLCFG_6368_P1_SHIFT;
+
+ p2 = (tmp & DMIPSPLLCFG_6368_P2_MASK) >>
+ DMIPSPLLCFG_6368_P2_SHIFT;
+
+ ndiv = (tmp & DMIPSPLLCFG_6368_NDIV_MASK) >>
+ DMIPSPLLCFG_6368_NDIV_SHIFT;
+
+ tmp = bcm_ddr_readl(DDR_DMIPSPLLDIV_6368_REG);
+ m1 = (tmp & DMIPSPLLDIV_6368_MDIV_MASK) >>
+ DMIPSPLLDIV_6368_MDIV_SHIFT;
+
+ return (((64 * 1000000) / p1) * p2 * ndiv) / m1;
+ }
+
+ default:
+ BUG();
+ }
}
/*
@@ -260,8 +170,10 @@ static unsigned int detect_memory_size(void)
unsigned int cols = 0, rows = 0, is_32bits = 0, banks = 0;
u32 val;
- if (BCMCPU_IS_6345())
- return (8 * 1024 * 1024);
+ if (BCMCPU_IS_6345()) {
+ val = bcm_sdram_readl(SDRAM_MBASE_REG);
+ return (val * 8 * 1024 * 1024);
+ }
if (BCMCPU_IS_6338() || BCMCPU_IS_6348()) {
val = bcm_sdram_readl(SDRAM_CFG_REG);
@@ -271,7 +183,7 @@ static unsigned int detect_memory_size(void)
banks = (val & SDRAM_CFG_BANK_MASK) ? 2 : 1;
}
- if (BCMCPU_IS_6358()) {
+ if (BCMCPU_IS_6358() || BCMCPU_IS_6368()) {
val = bcm_memc_readl(MEMC_CFG_REG);
rows = (val & MEMC_CFG_ROW_MASK) >> MEMC_CFG_ROW_SHIFT;
cols = (val & MEMC_CFG_COL_MASK) >> MEMC_CFG_COL_SHIFT;
@@ -301,24 +213,33 @@ void __init bcm63xx_cpu_init(void)
case CPU_BMIPS3300:
if ((read_c0_prid() & 0xff00) == PRID_IMP_BMIPS3300_ALT) {
expected_cpu_id = BCM6348_CPU_ID;
- bcm63xx_regs_base = bcm96348_regs_base;
- bcm63xx_irqs = bcm96348_irqs;
+ bcm63xx_regs_base = bcm6348_regs_base;
+ bcm63xx_irqs = bcm6348_irqs;
} else {
__cpu_name[cpu] = "Broadcom BCM6338";
expected_cpu_id = BCM6338_CPU_ID;
- bcm63xx_regs_base = bcm96338_regs_base;
- bcm63xx_irqs = bcm96338_irqs;
+ bcm63xx_regs_base = bcm6338_regs_base;
+ bcm63xx_irqs = bcm6338_irqs;
}
break;
case CPU_BMIPS32:
expected_cpu_id = BCM6345_CPU_ID;
- bcm63xx_regs_base = bcm96345_regs_base;
- bcm63xx_irqs = bcm96345_irqs;
+ bcm63xx_regs_base = bcm6345_regs_base;
+ bcm63xx_irqs = bcm6345_irqs;
break;
case CPU_BMIPS4350:
- expected_cpu_id = BCM6358_CPU_ID;
- bcm63xx_regs_base = bcm96358_regs_base;
- bcm63xx_irqs = bcm96358_irqs;
+ switch (read_c0_prid() & 0xf0) {
+ case 0x10:
+ expected_cpu_id = BCM6358_CPU_ID;
+ bcm63xx_regs_base = bcm6358_regs_base;
+ bcm63xx_irqs = bcm6358_irqs;
+ break;
+ case 0x30:
+ expected_cpu_id = BCM6368_CPU_ID;
+ bcm63xx_regs_base = bcm6368_regs_base;
+ bcm63xx_irqs = bcm6368_irqs;
+ break;
+ }
break;
}