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[brcm63xx] add experimental support for bcm6338

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13691 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
florian
2008-12-19 17:05:09 +00:00
parent e830a5a13e
commit 693a86d5d0
5 changed files with 136 additions and 2 deletions
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7
target/linux/brcm63xx/files/arch/mips/bcm63xx/Kconfig
View File

@@ -1,6 +1,13 @@
menu "CPU support"
depends on BCM63XX
config BCM63XX_CPU_6338
bool "support 6338 CPU"
select HW_HAS_PCI
select USB_ARCH_HAS_OHCI
select USB_OHCI_BIG_ENDIAN_DESC
select USB_OHCI_BIG_ENDIAN_MMIO
config BCM63XX_CPU_6348
bool "support 6348 CPU"
select HW_HAS_PCI

34
target/linux/brcm63xx/files/arch/mips/bcm63xx/cpu.c
View File

@@ -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;