* for more details.
*
* Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
+ * 2009 Florian Fainelli <florian@openwrt.org>
*/
#include <linux/kernel.h>
const int *bcm63xx_irqs;
EXPORT_SYMBOL(bcm63xx_irqs);
+const unsigned long *bcm63xx_regs_spi;
+EXPORT_SYMBOL(bcm63xx_regs_spi);
+
static u16 bcm63xx_cpu_id;
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_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 int bcm96338_irqs[] = {
+ [IRQ_TIMER] = BCM_6338_TIMER_IRQ,
+ [IRQ_SPI] = BCM_6338_SPI_IRQ,
+ [IRQ_UART0] = BCM_6338_UART0_IRQ,
+ [IRQ_DSL] = BCM_6338_DSL_IRQ,
+ [IRQ_UDC0] = BCM_6338_UDC0_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 unsigned long bcm96338_regs_spi[] = {
+ [SPI_CMD] = SPI_BCM_6338_SPI_CMD,
+ [SPI_INT_STATUS] = SPI_BCM_6338_SPI_INT_STATUS,
+ [SPI_INT_MASK_ST] = SPI_BCM_6338_SPI_MASK_INT_ST,
+ [SPI_INT_MASK] = SPI_BCM_6338_SPI_INT_MASK,
+ [SPI_ST] = SPI_BCM_6338_SPI_ST,
+ [SPI_CLK_CFG] = SPI_BCM_6338_SPI_CLK_CFG,
+ [SPI_FILL_BYTE] = SPI_BCM_6338_SPI_FILL_BYTE,
+ [SPI_MSG_TAIL] = SPI_BCM_6338_SPI_MSG_TAIL,
+ [SPI_RX_TAIL] = SPI_BCM_6338_SPI_RX_TAIL,
+ [SPI_MSG_CTL] = SPI_BCM_6338_SPI_MSG_CTL,
+ [SPI_MSG_DATA] = SPI_BCM_6338_SPI_MSG_DATA,
+ [SPI_RX_DATA] = SPI_BCM_6338_SPI_RX_DATA,
+};
+
+/*
+ * 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_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 int bcm96345_irqs[] = {
+ [IRQ_TIMER] = BCM_6345_TIMER_IRQ,
+ [IRQ_UART0] = BCM_6345_UART0_IRQ,
+ [IRQ_DSL] = BCM_6345_DSL_IRQ,
+ [IRQ_UDC0] = BCM_6345_UDC0_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,
+};
+
/*
* 6348 register sets and irqs
*/
[RSET_OHCI0] = BCM_6348_OHCI0_BASE,
[RSET_OHCI_PRIV] = BCM_6348_OHCI_PRIV_BASE,
[RSET_USBH_PRIV] = BCM_6348_USBH_PRIV_BASE,
+ [RSET_UDC0] = BCM_6348_UDC0_BASE,
[RSET_MPI] = BCM_6348_MPI_BASE,
[RSET_PCMCIA] = BCM_6348_PCMCIA_BASE,
[RSET_SDRAM] = BCM_6348_SDRAM_BASE,
static const int bcm96348_irqs[] = {
[IRQ_TIMER] = BCM_6348_TIMER_IRQ,
+ [IRQ_SPI] = BCM_6348_SPI_IRQ,
[IRQ_UART0] = BCM_6348_UART0_IRQ,
[IRQ_DSL] = BCM_6348_DSL_IRQ,
+ [IRQ_UDC0] = BCM_6348_UDC0_IRQ,
[IRQ_ENET0] = BCM_6348_ENET0_IRQ,
[IRQ_ENET1] = BCM_6348_ENET1_IRQ,
[IRQ_ENET_PHY] = BCM_6348_ENET_PHY_IRQ,
[IRQ_PCI] = BCM_6348_PCI_IRQ,
};
+static const unsigned long bcm96348_regs_spi[] = {
+ [SPI_CMD] = SPI_BCM_6348_SPI_CMD,
+ [SPI_INT_STATUS] = SPI_BCM_6348_SPI_INT_STATUS,
+ [SPI_INT_MASK_ST] = SPI_BCM_6348_SPI_MASK_INT_ST,
+ [SPI_INT_MASK] = SPI_BCM_6348_SPI_INT_MASK,
+ [SPI_ST] = SPI_BCM_6348_SPI_ST,
+ [SPI_CLK_CFG] = SPI_BCM_6348_SPI_CLK_CFG,
+ [SPI_FILL_BYTE] = SPI_BCM_6348_SPI_FILL_BYTE,
+ [SPI_MSG_TAIL] = SPI_BCM_6348_SPI_MSG_TAIL,
+ [SPI_RX_TAIL] = SPI_BCM_6348_SPI_RX_TAIL,
+ [SPI_MSG_CTL] = SPI_BCM_6348_SPI_MSG_CTL,
+ [SPI_MSG_DATA] = SPI_BCM_6348_SPI_MSG_DATA,
+ [SPI_RX_DATA] = SPI_BCM_6348_SPI_RX_DATA,
+};
+
/*
* 6358 register sets and irqs
*/
static const int bcm96358_irqs[] = {
[IRQ_TIMER] = BCM_6358_TIMER_IRQ,
+ [IRQ_SPI] = BCM_6358_SPI_IRQ,
[IRQ_UART0] = BCM_6358_UART0_IRQ,
[IRQ_DSL] = BCM_6358_DSL_IRQ,
[IRQ_ENET0] = BCM_6358_ENET0_IRQ,
[IRQ_PCI] = BCM_6358_PCI_IRQ,
};
+static const unsigned long bcm96358_regs_spi[] = {
+ [SPI_CMD] = SPI_BCM_6358_SPI_CMD,
+ [SPI_INT_STATUS] = SPI_BCM_6358_SPI_INT_STATUS,
+ [SPI_INT_MASK_ST] = SPI_BCM_6358_SPI_MASK_INT_ST,
+ [SPI_INT_MASK] = SPI_BCM_6358_SPI_INT_MASK,
+ [SPI_ST] = SPI_BCM_6358_SPI_STATUS,
+ [SPI_CLK_CFG] = SPI_BCM_6358_SPI_CLK_CFG,
+ [SPI_FILL_BYTE] = SPI_BCM_6358_SPI_FILL_BYTE,
+ [SPI_MSG_TAIL] = SPI_BCM_6358_SPI_MSG_TAIL,
+ [SPI_RX_TAIL] = SPI_BCM_6358_SPI_RX_TAIL,
+ [SPI_MSG_CTL] = SPI_BCM_6358_MSG_CTL,
+ [SPI_MSG_DATA] = SPI_BCM_6358_SPI_MSG_DATA,
+ [SPI_RX_DATA] = SPI_BCM_6358_SPI_RX_DATA,
+};
+
u16 __bcm63xx_get_cpu_id(void)
{
return bcm63xx_cpu_id;
{
unsigned int tmp, n1 = 0, n2 = 0, m1 = 0;
+ if (BCMCPU_IS_6338())
+ return 240000000;
+
+ if (BCMCPU_IS_6345())
+ return 140000000;
+
/*
* frequency depends on PLL configuration:
*/
unsigned int cols = 0, rows = 0, is_32bits = 0, banks = 0;
u32 val;
- if (BCMCPU_IS_6348()) {
+ if (BCMCPU_IS_6345())
+ return (8 * 1024 * 1024);
+
+ 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;
expected_cpu_id = 0;
switch (c->cputype) {
+ case CPU_BCM3302:
+ expected_cpu_id = BCM6338_CPU_ID;
+ bcm63xx_regs_base = bcm96338_regs_base;
+ bcm63xx_irqs = bcm96338_irqs;
+ bcm63xx_regs_spi = bcm96338_regs_spi;
+ break;
+ case CPU_BCM6345:
+ expected_cpu_id = BCM6345_CPU_ID;
+ bcm63xx_regs_base = bcm96345_regs_base;
+ bcm63xx_irqs = bcm96345_irqs;
+ break;
case CPU_BCM6348:
expected_cpu_id = BCM6348_CPU_ID;
bcm63xx_regs_base = bcm96348_regs_base;
bcm63xx_irqs = bcm96348_irqs;
+ bcm63xx_regs_spi = bcm96348_regs_spi;
break;
case CPU_BCM6358:
expected_cpu_id = BCM6358_CPU_ID;
bcm63xx_regs_base = bcm96358_regs_base;
bcm63xx_irqs = bcm96358_irqs;
+ bcm63xx_regs_spi = bcm96358_regs_spi;
break;
}
printk(KERN_INFO "Detected Broadcom 0x%04x CPU revision %02x\n",
bcm63xx_cpu_id, bcm63xx_cpu_rev);
- printk(KERN_INFO "CPU frequency is %u MHz\n",
+ printk(KERN_INFO "CPU frequency is %u Hz\n",
bcm63xx_cpu_freq);
printk(KERN_INFO "%uMB of RAM installed\n",
bcm63xx_memory_size >> 20);