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openwrt-owl/target/linux/brcm63xx/patches-3.3/312-MIPS-BCM63XX-add-basic-...

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From e7fd2a00f5d6c5e50976ed931c26fdbfbbacf835 Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jonas.gorski@gmail.com>
Date: Tue, 14 Jun 2011 21:14:39 +0200
Subject: [PATCH 40/79] MIPS: BCM63XX: add basic BCM6328 CPU support
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
---
arch/mips/bcm63xx/Kconfig | 4 +
arch/mips/bcm63xx/boards/board_bcm963xx.c | 11 ++-
arch/mips/bcm63xx/cpu.c | 43 +++++++++
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 | 101 +++++++++++++++++++++
arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h | 2 +
arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h | 44 +++++++++
arch/mips/include/asm/mach-bcm63xx/ioremap.h | 1 +
11 files changed, 238 insertions(+), 8 deletions(-)
--- a/arch/mips/bcm63xx/Kconfig
+++ b/arch/mips/bcm63xx/Kconfig
@@ -1,6 +1,10 @@
menu "CPU support"
depends on BCM63XX
+config BCM63XX_CPU_6328
+ bool "support 6328 CPU"
+ select HW_HAS_PCI
+
config BCM63XX_CPU_6338
bool "support 6338 CPU"
select HW_HAS_PCI
--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
+++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
@@ -760,9 +760,14 @@ 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 */
--- 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(voi
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(v
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;
--- 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");
--- a/arch/mips/bcm63xx/irq.c
+++ b/arch/mips/bcm63xx/irq.c
@@ -27,6 +27,17 @@ static void __internal_irq_unmask_32(uns
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;
--- 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;
--- 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;
@@ -101,9 +104,13 @@ 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)
;
}
--- 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
@@ -157,6 +171,49 @@ enum bcm63xx_regs_set {
#define RSET_TRNG_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_TRNG_BASE (0xdeadbeef)
+#define BCM_6328_MISC_BASE (0xb0001800)
+/*
* 6338 register sets base address
*/
#define BCM_6338_DSL_LMEM_BASE (0xfff00000)
@@ -466,6 +523,9 @@ static inline unsigned long bcm63xx_regs
#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
@@ -520,6 +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)
--- 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:
--- 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_6345 0x14
#define PERF_EXTIRQ_CFG_REG_6348 0x14
@@ -163,8 +190,21 @@
/* 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)
@@ -308,6 +348,8 @@
/* 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
@@ -934,6 +976,8 @@
* _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)
--- 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_re
if (offset >= 0xfff00000)
return 1;
break;
+ case BCM6328_CPU_ID:
case BCM6368_CPU_ID:
if (offset >= 0xb0000000 && offset < 0xb1000000)
return 1;
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