diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/txx9/generic/Makefile | 4 | ||||
| -rw-r--r-- | arch/mips/txx9/generic/irq_tx4927.c | 2 | ||||
| -rw-r--r-- | arch/mips/txx9/generic/irq_tx4938.c | 2 | ||||
| -rw-r--r-- | arch/mips/txx9/generic/setup.c | 16 | ||||
| -rw-r--r-- | arch/mips/txx9/generic/setup_tx4927.c | 194 | ||||
| -rw-r--r-- | arch/mips/txx9/generic/setup_tx4938.c | 259 | ||||
| -rw-r--r-- | arch/mips/txx9/jmr3927/setup.c | 8 | ||||
| -rw-r--r-- | arch/mips/txx9/rbtx4927/irq.c | 12 | ||||
| -rw-r--r-- | arch/mips/txx9/rbtx4927/setup.c | 89 | ||||
| -rw-r--r-- | arch/mips/txx9/rbtx4938/setup.c | 218 |
10 files changed, 510 insertions, 294 deletions
diff --git a/arch/mips/txx9/generic/Makefile b/arch/mips/txx9/generic/Makefile index ab274ede9a7..9c120771e65 100644 --- a/arch/mips/txx9/generic/Makefile +++ b/arch/mips/txx9/generic/Makefile @@ -4,8 +4,8 @@ obj-y += setup.o obj-$(CONFIG_PCI) += pci.o -obj-$(CONFIG_SOC_TX4927) += mem_tx4927.o irq_tx4927.o -obj-$(CONFIG_SOC_TX4938) += mem_tx4927.o irq_tx4938.o +obj-$(CONFIG_SOC_TX4927) += mem_tx4927.o setup_tx4927.o irq_tx4927.o +obj-$(CONFIG_SOC_TX4938) += mem_tx4927.o setup_tx4938.o irq_tx4938.o obj-$(CONFIG_TOSHIBA_FPCIB0) += smsc_fdc37m81x.o obj-$(CONFIG_KGDB) += dbgio.o diff --git a/arch/mips/txx9/generic/irq_tx4927.c b/arch/mips/txx9/generic/irq_tx4927.c index 6377bd8a905..cbea1fdde82 100644 --- a/arch/mips/txx9/generic/irq_tx4927.c +++ b/arch/mips/txx9/generic/irq_tx4927.c @@ -31,7 +31,7 @@ void __init tx4927_irq_init(void) { mips_cpu_irq_init(); - txx9_irq_init(TX4927_IRC_REG); + txx9_irq_init(TX4927_IRC_REG & 0xfffffffffULL); set_irq_chained_handler(MIPS_CPU_IRQ_BASE + TX4927_IRC_INT, handle_simple_irq); } diff --git a/arch/mips/txx9/generic/irq_tx4938.c b/arch/mips/txx9/generic/irq_tx4938.c index 5fc86c9c9d2..6eac684bf19 100644 --- a/arch/mips/txx9/generic/irq_tx4938.c +++ b/arch/mips/txx9/generic/irq_tx4938.c @@ -19,7 +19,7 @@ void __init tx4938_irq_init(void) { mips_cpu_irq_init(); - txx9_irq_init(TX4938_IRC_REG); + txx9_irq_init(TX4938_IRC_REG & 0xfffffffffULL); set_irq_chained_handler(MIPS_CPU_IRQ_BASE + TX4938_IRC_INT, handle_simple_irq); } diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c index 8caef07701b..3715a8f5ea4 100644 --- a/arch/mips/txx9/generic/setup.c +++ b/arch/mips/txx9/generic/setup.c @@ -30,6 +30,7 @@ struct resource txx9_ce_res[8]; static char txx9_ce_res_name[8][4]; /* "CEn" */ /* pcode, internal register */ +unsigned int txx9_pcode; char txx9_pcode_str[8]; static struct resource txx9_reg_res = { .name = txx9_pcode_str, @@ -59,15 +60,16 @@ unsigned int txx9_master_clock; unsigned int txx9_cpu_clock; unsigned int txx9_gbus_clock; +int txx9_ccfg_toeon __initdata = 1; /* Minimum CLK support */ struct clk *clk_get(struct device *dev, const char *id) { if (!strcmp(id, "spi-baseclk")) - return (struct clk *)(txx9_gbus_clock / 2 / 4); + return (struct clk *)((unsigned long)txx9_gbus_clock / 2 / 4); if (!strcmp(id, "imbus_clk")) - return (struct clk *)(txx9_gbus_clock / 2); + return (struct clk *)((unsigned long)txx9_gbus_clock / 2); return ERR_PTR(-ENOENT); } EXPORT_SYMBOL(clk_get); @@ -123,6 +125,12 @@ void __init prom_init_cmdline(void) int argc = (int)fw_arg0; char **argv = (char **)fw_arg1; int i; /* Always ignore the "-c" at argv[0] */ +#ifdef CONFIG_64BIT + char *fixed_argv[32]; + for (i = 0; i < argc; i++) + fixed_argv[i] = (char *)(long)(*((__s32 *)argv + i)); + argv = fixed_argv; +#endif /* ignore all built-in args if any f/w args given */ if (argc > 1) @@ -180,6 +188,10 @@ char * __init prom_getcmdline(void) /* wrappers */ void __init plat_mem_setup(void) { + ioport_resource.start = 0; + ioport_resource.end = ~0UL; /* no limit */ + iomem_resource.start = 0; + iomem_resource.end = ~0UL; /* no limit */ txx9_board_vec->mem_setup(); } diff --git a/arch/mips/txx9/generic/setup_tx4927.c b/arch/mips/txx9/generic/setup_tx4927.c new file mode 100644 index 00000000000..89d6e28add9 --- /dev/null +++ b/arch/mips/txx9/generic/setup_tx4927.c @@ -0,0 +1,194 @@ +/* + * TX4927 setup routines + * Based on linux/arch/mips/txx9/rbtx4938/setup.c, + * and RBTX49xx patch from CELF patch archive. + * + * 2003-2005 (c) MontaVista Software, Inc. + * (C) Copyright TOSHIBA CORPORATION 2000-2001, 2004-2007 + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#include <linux/init.h> +#include <linux/ioport.h> +#include <linux/delay.h> +#include <linux/serial_core.h> +#include <linux/param.h> +#include <asm/txx9irq.h> +#include <asm/txx9tmr.h> +#include <asm/txx9pio.h> +#include <asm/txx9/generic.h> +#include <asm/txx9/tx4927.h> + +void __init tx4927_wdr_init(void) +{ + /* clear WatchDogReset (W1C) */ + tx4927_ccfg_set(TX4927_CCFG_WDRST); + /* do reset on watchdog */ + tx4927_ccfg_set(TX4927_CCFG_WR); +} + +static struct resource tx4927_sdram_resource[4]; + +void __init tx4927_setup(void) +{ + int i; + __u32 divmode; + int cpuclk = 0; + u64 ccfg; + + txx9_reg_res_init(TX4927_REV_PCODE(), TX4927_REG_BASE, + TX4927_REG_SIZE); + + /* SDRAMC,EBUSC are configured by PROM */ + for (i = 0; i < 8; i++) { + if (!(TX4927_EBUSC_CR(i) & 0x8)) + continue; /* disabled */ + txx9_ce_res[i].start = (unsigned long)TX4927_EBUSC_BA(i); + txx9_ce_res[i].end = + txx9_ce_res[i].start + TX4927_EBUSC_SIZE(i) - 1; + request_resource(&iomem_resource, &txx9_ce_res[i]); + } + + /* clocks */ + ccfg = ____raw_readq(&tx4927_ccfgptr->ccfg); + if (txx9_master_clock) { + /* calculate gbus_clock and cpu_clock from master_clock */ + divmode = (__u32)ccfg & TX4927_CCFG_DIVMODE_MASK; + switch (divmode) { + case TX4927_CCFG_DIVMODE_8: + case TX4927_CCFG_DIVMODE_10: + case TX4927_CCFG_DIVMODE_12: + case TX4927_CCFG_DIVMODE_16: + txx9_gbus_clock = txx9_master_clock * 4; break; + default: + txx9_gbus_clock = txx9_master_clock; + } + switch (divmode) { + case TX4927_CCFG_DIVMODE_2: + case TX4927_CCFG_DIVMODE_8: + cpuclk = txx9_gbus_clock * 2; break; + case TX4927_CCFG_DIVMODE_2_5: + case TX4927_CCFG_DIVMODE_10: + cpuclk = txx9_gbus_clock * 5 / 2; break; + case TX4927_CCFG_DIVMODE_3: + case TX4927_CCFG_DIVMODE_12: + cpuclk = txx9_gbus_clock * 3; break; + case TX4927_CCFG_DIVMODE_4: + case TX4927_CCFG_DIVMODE_16: + cpuclk = txx9_gbus_clock * 4; break; + } + txx9_cpu_clock = cpuclk; + } else { + if (txx9_cpu_clock == 0) + txx9_cpu_clock = 200000000; /* 200MHz */ + /* calculate gbus_clock and master_clock from cpu_clock */ + cpuclk = txx9_cpu_clock; + divmode = (__u32)ccfg & TX4927_CCFG_DIVMODE_MASK; + switch (divmode) { + case TX4927_CCFG_DIVMODE_2: + case TX4927_CCFG_DIVMODE_8: + txx9_gbus_clock = cpuclk / 2; break; + case TX4927_CCFG_DIVMODE_2_5: + case TX4927_CCFG_DIVMODE_10: + txx9_gbus_clock = cpuclk * 2 / 5; break; + case TX4927_CCFG_DIVMODE_3: + case TX4927_CCFG_DIVMODE_12: + txx9_gbus_clock = cpuclk / 3; break; + case TX4927_CCFG_DIVMODE_4: + case TX4927_CCFG_DIVMODE_16: + txx9_gbus_clock = cpuclk / 4; break; + } + switch (divmode) { + case TX4927_CCFG_DIVMODE_8: + case TX4927_CCFG_DIVMODE_10: + case TX4927_CCFG_DIVMODE_12: + case TX4927_CCFG_DIVMODE_16: + txx9_master_clock = txx9_gbus_clock / 4; break; + default: + txx9_master_clock = txx9_gbus_clock; + } + } + /* change default value to udelay/mdelay take reasonable time */ + loops_per_jiffy = txx9_cpu_clock / HZ / 2; + + /* CCFG */ + tx4927_wdr_init(); + /* clear BusErrorOnWrite flag (W1C) */ + tx4927_ccfg_set(TX4927_CCFG_BEOW); + /* enable Timeout BusError */ + if (txx9_ccfg_toeon) + tx4927_ccfg_set(TX4927_CCFG_TOE); + + /* DMA selection */ + txx9_clear64(&tx4927_ccfgptr->pcfg, TX4927_PCFG_DMASEL_ALL); + + /* Use external clock for external arbiter */ + if (!(____raw_readq(&tx4927_ccfgptr->ccfg) & TX4927_CCFG_PCIARB)) + txx9_clear64(&tx4927_ccfgptr->pcfg, TX4927_PCFG_PCICLKEN_ALL); + + printk(KERN_INFO "%s -- %dMHz(M%dMHz) CRIR:%08x CCFG:%llx PCFG:%llx\n", + txx9_pcode_str, + (cpuclk + 500000) / 1000000, + (txx9_master_clock + 500000) / 1000000, + (__u32)____raw_readq(&tx4927_ccfgptr->crir), + (unsigned long long)____raw_readq(&tx4927_ccfgptr->ccfg), + (unsigned long long)____raw_readq(&tx4927_ccfgptr->pcfg)); + + printk(KERN_INFO "%s SDRAMC --", txx9_pcode_str); + for (i = 0; i < 4; i++) { + __u64 cr = TX4927_SDRAMC_CR(i); + unsigned long base, size; + if (!((__u32)cr & 0x00000400)) + continue; /* disabled */ + base = (unsigned long)(cr >> 49) << 21; + size = (((unsigned long)(cr >> 33) & 0x7fff) + 1) << 21; + printk(" CR%d:%016llx", i, (unsigned long long)cr); + tx4927_sdram_resource[i].name = "SDRAM"; + tx4927_sdram_resource[i].start = base; + tx4927_sdram_resource[i].end = base + size - 1; + tx4927_sdram_resource[i].flags = IORESOURCE_MEM; + request_resource(&iomem_resource, &tx4927_sdram_resource[i]); + } + printk(" TR:%09llx\n", + (unsigned long long)____raw_readq(&tx4927_sdramcptr->tr)); + + /* TMR */ + /* disable all timers */ + for (i = 0; i < TX4927_NR_TMR; i++) + txx9_tmr_init(TX4927_TMR_REG(i) & 0xfffffffffULL); + + /* PIO */ + txx9_gpio_init(TX4927_PIO_REG & 0xfffffffffULL, 0, TX4927_NUM_PIO); + __raw_writel(0, &tx4927_pioptr->maskcpu); + __raw_writel(0, &tx4927_pioptr->maskext); +} + +void __init tx4927_time_init(unsigned int tmrnr) +{ + if (____raw_readq(&tx4927_ccfgptr->ccfg) & TX4927_CCFG_TINTDIS) + txx9_clockevent_init(TX4927_TMR_REG(tmrnr) & 0xfffffffffULL, + TXX9_IRQ_BASE + TX4927_IR_TMR(tmrnr), + TXX9_IMCLK); +} + +void __init tx4927_setup_serial(void) +{ +#ifdef CONFIG_SERIAL_TXX9 + int i; + struct uart_port req; + + for (i = 0; i < 2; i++) { + memset(&req, 0, sizeof(req)); + req.line = i; + req.iotype = UPIO_MEM; + req.membase = (unsigned char __iomem *)TX4927_SIO_REG(i); + req.mapbase = TX4927_SIO_REG(i) & 0xfffffffffULL; + req.irq = TXX9_IRQ_BASE + TX4927_IR_SIO(i); + req.flags |= UPF_BUGGY_UART /*HAVE_CTS_LINE*/; + req.uartclk = TXX9_IMCLK; + early_serial_txx9_setup(&req); + } +#endif /* CONFIG_SERIAL_TXX9 */ +} diff --git a/arch/mips/txx9/generic/setup_tx4938.c b/arch/mips/txx9/generic/setup_tx4938.c new file mode 100644 index 00000000000..317378d8579 --- /dev/null +++ b/arch/mips/txx9/generic/setup_tx4938.c @@ -0,0 +1,259 @@ +/* + * TX4938/4937 setup routines + * Based on linux/arch/mips/txx9/rbtx4938/setup.c, + * and RBTX49xx patch from CELF patch archive. + * + * 2003-2005 (c) MontaVista Software, Inc. + * (C) Copyright TOSHIBA CORPORATION 2000-2001, 2004-2007 + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#include <linux/init.h> +#include <linux/ioport.h> +#include <linux/delay.h> +#include <linux/serial_core.h> +#include <linux/param.h> +#include <asm/txx9irq.h> +#include <asm/txx9tmr.h> +#include <asm/txx9pio.h> +#include <asm/txx9/generic.h> +#include <asm/txx9/tx4938.h> + +void __init tx4938_wdr_init(void) +{ + /* clear WatchDogReset (W1C) */ + tx4938_ccfg_set(TX4938_CCFG_WDRST); + /* do reset on watchdog */ + tx4938_ccfg_set(TX4938_CCFG_WR); +} + +static struct resource tx4938_sdram_resource[4]; +static struct resource tx4938_sram_resource; + +#define TX4938_SRAM_SIZE 0x800 + +void __init tx4938_setup(void) +{ + int i; + __u32 divmode; + int cpuclk = 0; + u64 ccfg; + + txx9_reg_res_init(TX4938_REV_PCODE(), TX4938_REG_BASE, + TX4938_REG_SIZE); + + /* SDRAMC,EBUSC are configured by PROM */ + for (i = 0; i < 8; i++) { + if (!(TX4938_EBUSC_CR(i) & 0x8)) + continue; /* disabled */ + txx9_ce_res[i].start = (unsigned long)TX4938_EBUSC_BA(i); + txx9_ce_res[i].end = + txx9_ce_res[i].start + TX4938_EBUSC_SIZE(i) - 1; + request_resource(&iomem_resource, &txx9_ce_res[i]); + } + + /* clocks */ + ccfg = ____raw_readq(&tx4938_ccfgptr->ccfg); + if (txx9_master_clock) { + /* calculate gbus_clock and cpu_clock from master_clock */ + divmode = (__u32)ccfg & TX4938_CCFG_DIVMODE_MASK; + switch (divmode) { + case TX4938_CCFG_DIVMODE_8: + case TX4938_CCFG_DIVMODE_10: + case TX4938_CCFG_DIVMODE_12: + case TX4938_CCFG_DIVMODE_16: + case TX4938_CCFG_DIVMODE_18: + txx9_gbus_clock = txx9_master_clock * 4; break; + default: + txx9_gbus_clock = txx9_master_clock; + } + switch (divmode) { + case TX4938_CCFG_DIVMODE_2: + case TX4938_CCFG_DIVMODE_8: + cpuclk = txx9_gbus_clock * 2; break; + case TX4938_CCFG_DIVMODE_2_5: + case TX4938_CCFG_DIVMODE_10: + cpuclk = txx9_gbus_clock * 5 / 2; break; + case TX4938_CCFG_DIVMODE_3: + case TX4938_CCFG_DIVMODE_12: + cpuclk = txx9_gbus_clock * 3; break; + case TX4938_CCFG_DIVMODE_4: + case TX4938_CCFG_DIVMODE_16: + cpuclk = txx9_gbus_clock * 4; break; + case TX4938_CCFG_DIVMODE_4_5: + case TX4938_CCFG_DIVMODE_18: + cpuclk = txx9_gbus_clock * 9 / 2; break; + } + txx9_cpu_clock = cpuclk; + } else { + if (txx9_cpu_clock == 0) + txx9_cpu_clock = 300000000; /* 300MHz */ + /* calculate gbus_clock and master_clock from cpu_clock */ + cpuclk = txx9_cpu_clock; + divmode = (__u32)ccfg & TX4938_CCFG_DIVMODE_MASK; + switch (divmode) { + case TX4938_CCFG_DIVMODE_2: + case TX4938_CCFG_DIVMODE_8: + txx9_gbus_clock = cpuclk / 2; break; + case TX4938_CCFG_DIVMODE_2_5: + case TX4938_CCFG_DIVMODE_10: + txx9_gbus_clock = cpuclk * 2 / 5; break; + case TX4938_CCFG_DIVMODE_3: + case TX4938_CCFG_DIVMODE_12: + txx9_gbus_clock = cpuclk / 3; break; + case TX4938_CCFG_DIVMODE_4: + case TX4938_CCFG_DIVMODE_16: + txx9_gbus_clock = cpuclk / 4; break; + case TX4938_CCFG_DIVMODE_4_5: + case TX4938_CCFG_DIVMODE_18: + txx9_gbus_clock = cpuclk * 2 / 9; break; + } + switch (divmode) { + case TX4938_CCFG_DIVMODE_8: + case TX4938_CCFG_DIVMODE_10: + case TX4938_CCFG_DIVMODE_12: + case TX4938_CCFG_DIVMODE_16: + case TX4938_CCFG_DIVMODE_18: + txx9_master_clock = txx9_gbus_clock / 4; break; + default: + txx9_master_clock = txx9_gbus_clock; + } + } + /* change default value to udelay/mdelay take reasonable time */ + loops_per_jiffy = txx9_cpu_clock / HZ / 2; + + /* CCFG */ + tx4938_wdr_init(); + /* clear BusErrorOnWrite flag (W1C) */ + tx4938_ccfg_set(TX4938_CCFG_BEOW); + /* enable Timeout BusError */ + if (txx9_ccfg_toeon) + tx4938_ccfg_set(TX4938_CCFG_TOE); + + /* DMA selection */ + txx9_clear64(&tx4938_ccfgptr->pcfg, TX4938_PCFG_DMASEL_ALL); + + /* Use external clock for external arbiter */ + if (!(____raw_readq(&tx4938_ccfgptr->ccfg) & TX4938_CCFG_PCIARB)) + txx9_clear64(&tx4938_ccfgptr->pcfg, TX4938_PCFG_PCICLKEN_ALL); + + printk(KERN_INFO "%s -- %dMHz(M%dMHz) CRIR:%08x CCFG:%llx PCFG:%llx\n", + txx9_pcode_str, + (cpuclk + 500000) / 1000000, + (txx9_master_clock + 500000) / 1000000, + (__u32)____raw_readq(&tx4938_ccfgptr->crir), + (unsigned long long)____raw_readq(&tx4938_ccfgptr->ccfg), + (unsigned long long)____raw_readq(&tx4938_ccfgptr->pcfg)); + + printk(KERN_INFO "%s SDRAMC --", txx9_pcode_str); + for (i = 0; i < 4; i++) { + __u64 cr = TX4938_SDRAMC_CR(i); + unsigned long base, size; + if (!((__u32)cr & 0x00000400)) + continue; /* disabled */ + base = (unsigned long)(cr >> 49) << 21; + size = (((unsigned long)(cr >> 33) & 0x7fff) + 1) << 21; + printk(" CR%d:%016llx", i, (unsigned long long)cr); + tx4938_sdram_resource[i].name = "SDRAM"; + tx4938_sdram_resource[i].start = base; + tx4938_sdram_resource[i].end = base + size - 1; + tx4938_sdram_resource[i].flags = IORESOURCE_MEM; + request_resource(&iomem_resource, &tx4938_sdram_resource[i]); + } + printk(" TR:%09llx\n", + (unsigned long long)____raw_readq(&tx4938_sdramcptr->tr)); + + /* SRAM */ + if (txx9_pcode == 0x4938 && ____raw_readq(&tx4938_sramcptr->cr) & 1) { + unsigned int size = TX4938_SRAM_SIZE; + tx4938_sram_resource.name = "SRAM"; + tx4938_sram_resource.start = + (____raw_readq(&tx4938_sramcptr->cr) >> (39-11)) + & ~(size - 1); + tx4938_sram_resource.end = + tx4938_sram_resource.start + TX4938_SRAM_SIZE - 1; + tx4938_sram_resource.flags = IORESOURCE_MEM; + request_resource(&iomem_resource, &tx4938_sram_resource); + } + + /* TMR */ + /* disable all timers */ + for (i = 0; i < TX4938_NR_TMR; i++) + txx9_tmr_init(TX4938_TMR_REG(i) & 0xfffffffffULL); + + /* DMA */ + for (i = 0; i < 2; i++) + ____raw_writeq(TX4938_DMA_MCR_MSTEN, + (void __iomem *)(TX4938_DMA_REG(i) + 0x50)); + + /* PIO */ + txx9_gpio_init(TX4938_PIO_REG & 0xfffffffffULL, 0, TX4938_NUM_PIO); + __raw_writel(0, &tx4938_pioptr->maskcpu); + __raw_writel(0, &tx4938_pioptr->maskext); + + if (txx9_pcode == 0x4938) { + __u64 pcfg = ____raw_readq(&tx4938_ccfgptr->pcfg); + /* set PCIC1 reset */ + txx9_set64(&tx4938_ccfgptr->clkctr, TX4938_CLKCTR_PCIC1RST); + if (pcfg & (TX4938_PCFG_ETH0_SEL | TX4938_PCFG_ETH1_SEL)) { + mdelay(1); /* at least 128 cpu clock */ + /* clear PCIC1 reset */ + txx9_clear64(&tx4938_ccfgptr->clkctr, + TX4938_CLKCTR_PCIC1RST); + } else { + printk(KERN_INFO "%s: stop PCIC1\n", txx9_pcode_str); + /* stop PCIC1 */ + txx9_set64(&tx4938_ccfgptr->clkctr, + TX4938_CLKCTR_PCIC1CKD); + } + if (!(pcfg & TX4938_PCFG_ETH0_SEL)) { + printk(KERN_INFO "%s: stop ETH0\n", txx9_pcode_str); + txx9_set64(&tx4938_ccfgptr->clkctr, + TX4938_CLKCTR_ETH0RST); + txx9_set64(&tx4938_ccfgptr->clkctr, + TX4938_CLKCTR_ETH0CKD); + } + if (!(pcfg & TX4938_PCFG_ETH1_SEL)) { + printk(KERN_INFO "%s: stop ETH1\n", txx9_pcode_str); + txx9_set64(&tx4938_ccfgptr->clkctr, + TX4938_CLKCTR_ETH1RST); + txx9_set64(&tx4938_ccfgptr->clkctr, + TX4938_CLKCTR_ETH1CKD); + } + } +} + +void __init tx4938_time_init(unsigned int tmrnr) +{ + if (____raw_readq(&tx4938_ccfgptr->ccfg) & TX4938_CCFG_TINTDIS) + txx9_clockevent_init(TX4938_TMR_REG(tmrnr) & 0xfffffffffULL, + TXX9_IRQ_BASE + TX4938_IR_TMR(tmrnr), + TXX9_IMCLK); +} + +void __init tx4938_setup_serial(void) +{ +#ifdef CONFIG_SERIAL_TXX9 + int i; + struct uart_port req; + unsigned int ch_mask = 0; + + if (__raw_readq(&tx4938_ccfgptr->pcfg) & TX4938_PCFG_ETH0_SEL) + ch_mask |= 1 << 1; /* disable SIO1 by PCFG setting */ + for (i = 0; i < 2; i++) { + if ((1 << i) & ch_mask) + continue; + memset(&req, 0, sizeof(req)); + req.line = i; + req.iotype = UPIO_MEM; + req.membase = (unsigned char __iomem *)TX4938_SIO_REG(i); + req.mapbase = TX4938_SIO_REG(i) & 0xfffffffffULL; + req.irq = TXX9_IRQ_BASE + TX4938_IR_SIO(i); + req.flags |= UPF_BUGGY_UART /*HAVE_CTS_LINE*/; + req.uartclk = TXX9_IMCLK; + early_serial_txx9_setup(&req); + } +#endif /* CONFIG_SERIAL_TXX9 */ +} diff --git a/arch/mips/txx9/jmr3927/setup.c b/arch/mips/txx9/jmr3927/setup.c index 5e35ef73c5a..03647ebe413 100644 --- a/arch/mips/txx9/jmr3927/setup.c +++ b/arch/mips/txx9/jmr3927/setup.c @@ -105,14 +105,6 @@ static void __init jmr3927_mem_setup(void) _machine_halt = jmr3927_machine_halt; pm_power_off = jmr3927_machine_power_off; - /* - * IO/MEM resources. - */ - ioport_resource.start = 0; - ioport_resource.end = 0xffffffff; - iomem_resource.start = 0; - iomem_resource.end = 0xffffffff; - /* Reboot on panic */ panic_timeout = 180; diff --git a/arch/mips/txx9/rbtx4927/irq.c b/arch/mips/txx9/rbtx4927/irq.c index 70f13211bc2..cd748a93032 100644 --- a/arch/mips/txx9/rbtx4927/irq.c +++ b/arch/mips/txx9/rbtx4927/irq.c @@ -126,14 +126,12 @@ static struct irq_chip toshiba_rbtx4927_irq_ioc_type = { .mask_ack = toshiba_rbtx4927_irq_ioc_disable, .unmask = toshiba_rbtx4927_irq_ioc_enable, }; -#define TOSHIBA_RBTX4927_IOC_INTR_ENAB (void __iomem *)0xbc002000UL -#define TOSHIBA_RBTX4927_IOC_INTR_STAT (void __iomem *)0xbc002006UL static int toshiba_rbtx4927_irq_nested(int sw_irq) { u8 level3; - level3 = readb(TOSHIBA_RBTX4927_IOC_INTR_STAT) & 0x1f; + level3 = readb(rbtx4927_imstat_addr) & 0x1f; if (level3) sw_irq = RBTX4927_IRQ_IOC + fls(level3) - 1; return (sw_irq); @@ -154,18 +152,18 @@ static void toshiba_rbtx4927_irq_ioc_enable(unsigned int irq) { unsigned char v; - v = readb(TOSHIBA_RBTX4927_IOC_INTR_ENAB); + v = readb(rbtx4927_imask_addr); v |= (1 << (irq - RBTX4927_IRQ_IOC)); - writeb(v, TOSHIBA_RBTX4927_IOC_INTR_ENAB); + writeb(v, rbtx4927_imask_addr); } static void toshiba_rbtx4927_irq_ioc_disable(unsigned int irq) { unsigned char v; - v = readb(TOSHIBA_RBTX4927_IOC_INTR_ENAB); + v = readb(rbtx4927_imask_addr); v &= ~(1 << (irq - RBTX4927_IRQ_IOC)); - writeb(v, TOSHIBA_RBTX4927_IOC_INTR_ENAB); + writeb(v, rbtx4927_imask_addr); mmiowb(); } diff --git a/arch/mips/txx9/rbtx4927/setup.c b/arch/mips/txx9/rbtx4927/setup.c index 1657fd935da..3da20ea3e55 100644 --- a/arch/mips/txx9/rbtx4927/setup.c +++ b/arch/mips/txx9/rbtx4927/setup.c @@ -53,17 +53,10 @@ #include <asm/io.h> #include <asm/processor.h> #include <asm/reboot.h> -#include <asm/time.h> -#include <asm/txx9tmr.h> #include <asm/txx9/generic.h> #include <asm/txx9/pci.h> #include <asm/txx9/rbtx4927.h> #include <asm/txx9/tx4938.h> /* for TX4937 */ -#ifdef CONFIG_SERIAL_TXX9 -#include <linux/serial_core.h> -#endif - -static int tx4927_ccfg_toeon = 1; #ifdef CONFIG_PCI static void __init tx4927_pci_setup(void) @@ -184,14 +177,14 @@ static void toshiba_rbtx4927_restart(char *command) printk(KERN_NOTICE "System Rebooting...\n"); /* enable the s/w reset register */ - writeb(RBTX4927_SW_RESET_ENABLE_SET, RBTX4927_SW_RESET_ENABLE); + writeb(1, rbtx4927_softresetlock_addr); /* wait for enable to be seen */ - while ((readb(RBTX4927_SW_RESET_ENABLE) & - RBTX4927_SW_RESET_ENABLE_SET) == 0x00); + while (!(readb(rbtx4927_softresetlock_addr) & 1)) + ; /* do a s/w reset */ - writeb(RBTX4927_SW_RESET_DO_SET, RBTX4927_SW_RESET_DO); + writeb(1, rbtx4927_softreset_addr); /* do something passive while waiting for reset */ local_irq_disable(); @@ -213,9 +206,11 @@ static void toshiba_rbtx4927_power_off(void) /* no return */ } +static void __init rbtx4927_clock_init(void); +static void __init rbtx4937_clock_init(void); + static void __init rbtx4927_mem_setup(void) { - int i; u32 cp0_config; char *argptr; @@ -227,16 +222,18 @@ static void __init rbtx4927_mem_setup(void) cp0_config = cp0_config & ~(TX49_CONF_IC | TX49_CONF_DC); write_c0_config(cp0_config); - ioport_resource.end = 0xffffffff; - iomem_resource.end = 0xffffffff; + if (TX4927_REV_PCODE() == 0x4927) { + rbtx4927_clock_init(); + tx4927_setup(); + } else { + rbtx4937_clock_init(); + tx4938_setup(); + } _machine_restart = toshiba_rbtx4927_restart; _machine_halt = toshiba_rbtx4927_halt; pm_power_off = toshiba_rbtx4927_power_off; - for (i = 0; i < TX4927_NR_TMR; i++) - txx9_tmr_init(TX4927_TMR_REG(0) & 0xfffffffffULL); - #ifdef CONFIG_PCI txx9_alloc_pci_controller(&txx9_primary_pcic, RBTX4927_PCIMEM, RBTX4927_PCIMEM_SIZE, @@ -245,36 +242,13 @@ static void __init rbtx4927_mem_setup(void) set_io_port_base(KSEG1 + RBTX4927_ISA_IO_OFFSET); #endif - /* CCFG */ - /* do reset on watchdog */ - tx4927_ccfg_set(TX4927_CCFG_WR); - /* enable Timeout BusError */ - if (tx4927_ccfg_toeon) - tx4927_ccfg_set(TX4927_CCFG_TOE); - -#ifdef CONFIG_SERIAL_TXX9 - { - extern int early_serial_txx9_setup(struct uart_port *port); - struct uart_port req; - for(i = 0; i < 2; i++) { - memset(&req, 0, sizeof(req)); - req.line = i; - req.iotype = UPIO_MEM; - req.membase = (char *)(0xff1ff300 + i * 0x100); - req.mapbase = 0xff1ff300 + i * 0x100; - req.irq = TXX9_IRQ_BASE + TX4927_IR_SIO(i); - req.flags |= UPF_BUGGY_UART /*HAVE_CTS_LINE*/; - req.uartclk = 50000000; - early_serial_txx9_setup(&req); - } - } + tx4927_setup_serial(); #ifdef CONFIG_SERIAL_TXX9_CONSOLE argptr = prom_getcmdline(); if (strstr(argptr, "console=") == NULL) { strcat(argptr, " console=ttyS0,38400"); } #endif -#endif #ifdef CONFIG_ROOT_NFS argptr = prom_getcmdline(); @@ -291,19 +265,7 @@ static void __init rbtx4927_mem_setup(void) #endif } -static void __init rbtx49x7_common_time_init(void) -{ - /* change default value to udelay/mdelay take reasonable time */ - loops_per_jiffy = txx9_cpu_clock / HZ / 2; - - mips_hpt_frequency = txx9_cpu_clock / 2; - if (____raw_readq(&tx4927_ccfgptr->ccfg) & TX4927_CCFG_TINTDIS) - txx9_clockevent_init(TX4927_TMR_REG(0) & 0xfffffffffULL, - TXX9_IRQ_BASE + 17, - 50000000); -} - -static void __init rbtx4927_time_init(void) +static void __init rbtx4927_clock_init(void) { /* * ASSUMPTION: PCIDIVMODE is configured for PCI 33MHz or 66MHz. @@ -325,11 +287,9 @@ static void __init rbtx4927_time_init(void) default: txx9_cpu_clock = 200000000; /* 200MHz */ } - - rbtx49x7_common_time_init(); } -static void __init rbtx4937_time_init(void) +static void __init rbtx4937_clock_init(void) { /* * ASSUMPTION: PCIDIVMODE is configured for PCI 33MHz or 66MHz. @@ -357,15 +317,18 @@ static void __init rbtx4937_time_init(void) default: txx9_cpu_clock = 333333333; /* 333MHz */ } +} - rbtx49x7_common_time_init(); +static void __init rbtx4927_time_init(void) +{ + tx4927_time_init(0); } static int __init toshiba_rbtx4927_rtc_init(void) { - static struct resource __initdata res = { - .start = 0x1c010000, - .end = 0x1c010000 + 0x800 - 1, + struct resource res = { + .start = RBTX4927_BRAMRTC_BASE - IO_BASE, + .end = RBTX4927_BRAMRTC_BASE - IO_BASE + 0x800 - 1, .flags = IORESOURCE_MEM, }; struct platform_device *dev = @@ -375,7 +338,7 @@ static int __init toshiba_rbtx4927_rtc_init(void) static int __init rbtx4927_ne_init(void) { - static struct resource __initdata res[] = { + struct resource res[] = { { .start = RBTX4927_RTL_8019_BASE, .end = RBTX4927_RTL_8019_BASE + 0x20 - 1, @@ -434,7 +397,7 @@ struct txx9_board_vec rbtx4937_vec __initdata = { .prom_init = rbtx4927_prom_init, .mem_setup = rbtx4927_mem_setup, .irq_setup = rbtx4927_irq_setup, - .time_init = rbtx4937_time_init, + .time_init = rbtx4927_time_init, .device_init = rbtx4927_device_init, .arch_init = rbtx4937_arch_init, #ifdef CONFIG_PCI diff --git a/arch/mips/txx9/rbtx4938/setup.c b/arch/mips/txx9/rbtx4938/setup.c index c1e076c7b2d..6c2b99bb8af 100644 --- a/arch/mips/txx9/rbtx4938/setup.c +++ b/arch/mips/txx9/rbtx4938/setup.c @@ -20,21 +20,14 @@ #include <linux/gpio.h> #include <asm/reboot.h> -#include <asm/time.h> -#include <asm/txx9tmr.h> #include <asm/io.h> #include <asm/txx9/generic.h> #include <asm/txx9/pci.h> #include <asm/txx9/rbtx4938.h> -#ifdef CONFIG_SERIAL_TXX9 -#include <linux/serial_core.h> -#endif #include <linux/spi/spi.h> #include <asm/txx9/spi.h> #include <asm/txx9pio.h> -static int tx4938_ccfg_toeon = 1; - static void rbtx4938_machine_halt(void) { printk(KERN_NOTICE "System Halted\n"); @@ -182,189 +175,10 @@ static void __init rbtx4938_spi_setup(void) } static struct resource rbtx4938_fpga_resource; -static struct resource tx4938_sdram_resource[4]; -static struct resource tx4938_sram_resource; - -void __init tx4938_board_setup(void) -{ - int i; - unsigned long divmode; - int cpuclk = 0; - unsigned long pcode = TX4938_REV_PCODE(); - - ioport_resource.start = 0; - ioport_resource.end = 0xffffffff; - iomem_resource.start = 0; - iomem_resource.end = 0xffffffff; /* expand to 4GB */ - - txx9_reg_res_init(pcode, TX4938_REG_BASE, - TX4938_REG_SIZE); - /* SDRAMC,EBUSC are configured by PROM */ - for (i = 0; i < 8; i++) { - if (!(TX4938_EBUSC_CR(i) & 0x8)) - continue; /* disabled */ - txx9_ce_res[i].start = (unsigned long)TX4938_EBUSC_BA(i); - txx9_ce_res[i].end = - txx9_ce_res[i].start + TX4938_EBUSC_SIZE(i) - 1; - request_resource(&iomem_resource, &txx9_ce_res[i]); - } - - /* clocks */ - if (txx9_master_clock) { - u64 ccfg = ____raw_readq(&tx4938_ccfgptr->ccfg); - /* calculate gbus_clock and cpu_clock_freq from master_clock */ - divmode = (__u32)ccfg & TX4938_CCFG_DIVMODE_MASK; - switch (divmode) { - case TX4938_CCFG_DIVMODE_8: - case TX4938_CCFG_DIVMODE_10: - case TX4938_CCFG_DIVMODE_12: - case TX4938_CCFG_DIVMODE_16: - case TX4938_CCFG_DIVMODE_18: - txx9_gbus_clock = txx9_master_clock * 4; break; - default: - txx9_gbus_clock = txx9_master_clock; - } - switch (divmode) { - case TX4938_CCFG_DIVMODE_2: - case TX4938_CCFG_DIVMODE_8: - cpuclk = txx9_gbus_clock * 2; break; - case TX4938_CCFG_DIVMODE_2_5: - case TX4938_CCFG_DIVMODE_10: - cpuclk = txx9_gbus_clock * 5 / 2; break; - case TX4938_CCFG_DIVMODE_3: - case TX4938_CCFG_DIVMODE_12: - cpuclk = txx9_gbus_clock * 3; break; - case TX4938_CCFG_DIVMODE_4: - case TX4938_CCFG_DIVMODE_16: - cpuclk = txx9_gbus_clock * 4; break; - case TX4938_CCFG_DIVMODE_4_5: - case TX4938_CCFG_DIVMODE_18: - cpuclk = txx9_gbus_clock * 9 / 2; break; - } - txx9_cpu_clock = cpuclk; - } else { - u64 ccfg = ____raw_readq(&tx4938_ccfgptr->ccfg); - if (txx9_cpu_clock == 0) { - txx9_cpu_clock = 300000000; /* 300MHz */ - } - /* calculate gbus_clock and master_clock from cpu_clock_freq */ - cpuclk = txx9_cpu_clock; - divmode = (__u32)ccfg & TX4938_CCFG_DIVMODE_MASK; - switch (divmode) { - case TX4938_CCFG_DIVMODE_2: - case TX4938_CCFG_DIVMODE_8: - txx9_gbus_clock = cpuclk / 2; break; - case TX4938_CCFG_DIVMODE_2_5: - case TX4938_CCFG_DIVMODE_10: - txx9_gbus_clock = cpuclk * 2 / 5; break; - case TX4938_CCFG_DIVMODE_3: - case TX4938_CCFG_DIVMODE_12: - txx9_gbus_clock = cpuclk / 3; break; - case TX4938_CCFG_DIVMODE_4: - case TX4938_CCFG_DIVMODE_16: - txx9_gbus_clock = cpuclk / 4; break; - case TX4938_CCFG_DIVMODE_4_5: - case TX4938_CCFG_DIVMODE_18: - txx9_gbus_clock = cpuclk * 2 / 9; break; - } - switch (divmode) { - case TX4938_CCFG_DIVMODE_8: - case TX4938_CCFG_DIVMODE_10: - case TX4938_CCFG_DIVMODE_12: - case TX4938_CCFG_DIVMODE_16: - case TX4938_CCFG_DIVMODE_18: - txx9_master_clock = txx9_gbus_clock / 4; break; - default: - txx9_master_clock = txx9_gbus_clock; - } - } - /* change default value to udelay/mdelay take reasonable time */ - loops_per_jiffy = txx9_cpu_clock / HZ / 2; - - /* CCFG */ - /* clear WatchDogReset,BusErrorOnWrite flag (W1C) */ - tx4938_ccfg_set(TX4938_CCFG_WDRST | TX4938_CCFG_BEOW); - /* do reset on watchdog */ - tx4938_ccfg_set(TX4938_CCFG_WR); - /* clear PCIC1 reset */ - txx9_clear64(&tx4938_ccfgptr->clkctr, TX4938_CLKCTR_PCIC1RST); - - /* enable Timeout BusError */ - if (tx4938_ccfg_toeon) - tx4938_ccfg_set(TX4938_CCFG_TOE); - - /* DMA selection */ - txx9_clear64(&tx4938_ccfgptr->pcfg, TX4938_PCFG_DMASEL_ALL); - - /* Use external clock for external arbiter */ - if (!(____raw_readq(&tx4938_ccfgptr->ccfg) & TX4938_CCFG_PCIARB)) - txx9_clear64(&tx4938_ccfgptr->pcfg, TX4938_PCFG_PCICLKEN_ALL); - - printk(KERN_INFO "%s -- %dMHz(M%dMHz) CRIR:%08x CCFG:%llx PCFG:%llx\n", - txx9_pcode_str, - (cpuclk + 500000) / 1000000, - (txx9_master_clock + 500000) / 1000000, - (__u32)____raw_readq(&tx4938_ccfgptr->crir), - (unsigned long long)____raw_readq(&tx4938_ccfgptr->ccfg), - (unsigned long long)____raw_readq(&tx4938_ccfgptr->pcfg)); - - printk(KERN_INFO "%s SDRAMC --", txx9_pcode_str); - for (i = 0; i < 4; i++) { - u64 cr = TX4938_SDRAMC_CR(i); - unsigned long ram_base, ram_size; - if (!((unsigned long)cr & 0x00000400)) - continue; /* disabled */ - ram_base = (unsigned long)(cr >> 49) << 21; - ram_size = ((unsigned long)(cr >> 33) + 1) << 21; - if (ram_base >= 0x20000000) - continue; /* high memory (ignore) */ - printk(KERN_CONT " CR%d:%016llx", i, cr); - tx4938_sdram_resource[i].name = "SDRAM"; - tx4938_sdram_resource[i].start = ram_base; - tx4938_sdram_resource[i].end = ram_base + ram_size - 1; - tx4938_sdram_resource[i].flags = IORESOURCE_MEM; - request_resource(&iomem_resource, &tx4938_sdram_resource[i]); - } - printk(KERN_CONT " TR:%09llx\n", ____raw_readq(&tx4938_sdramcptr->tr)); - - /* SRAM */ - if (____raw_readq(&tx4938_sramcptr->cr) & 1) { - unsigned int size = 0x800; - unsigned long base = - (____raw_readq(&tx4938_sramcptr->cr) >> (39-11)) - & ~(size - 1); - tx4938_sram_resource.name = "SRAM"; - tx4938_sram_resource.start = base; - tx4938_sram_resource.end = base + size - 1; - tx4938_sram_resource.flags = IORESOURCE_MEM; - request_resource(&iomem_resource, &tx4938_sram_resource); - } - - /* TMR */ - for (i = 0; i < TX4938_NR_TMR; i++) - txx9_tmr_init(TX4938_TMR_REG(i) & 0xfffffffffULL); - - /* enable DMA */ - for (i = 0; i < 2; i++) - ____raw_writeq(TX4938_DMA_MCR_MSTEN, - (void __iomem *)(TX4938_DMA_REG(i) + 0x50)); - - /* PIO */ - __raw_writel(0, &tx4938_pioptr->maskcpu); - __raw_writel(0, &tx4938_pioptr->maskext); - -#ifdef CONFIG_PCI - txx9_alloc_pci_controller(&txx9_primary_pcic, 0, 0, 0, 0); -#endif -} static void __init rbtx4938_time_init(void) { - mips_hpt_frequency = txx9_cpu_clock / 2; - if (____raw_readq(&tx4938_ccfgptr->ccfg) & TX4938_CCFG_TINTDIS) - txx9_clockevent_init(TX4938_TMR_REG(0) & 0xfffffffffULL, - TXX9_IRQ_BASE + TX4938_IR_TMR(0), - txx9_gbus_clock / 2); + tx4938_time_init(0); } static void __init rbtx4938_mem_setup(void) @@ -372,39 +186,24 @@ static void __init rbtx4938_mem_setup(void) unsigned long long pcfg; char *argptr; - iomem_resource.end = 0xffffffff; /* 4GB */ - if (txx9_master_clock == 0) txx9_master_clock = 25000000; /* 25MHz */ - tx4938_board_setup(); -#ifndef CONFIG_PCI + + tx4938_setup(); + +#ifdef CONFIG_PCI + txx9_alloc_pci_controller(&txx9_primary_pcic, 0, 0, 0, 0); +#else set_io_port_base(RBTX4938_ETHER_BASE); #endif -#ifdef CONFIG_SERIAL_TXX9 - { - extern int early_serial_txx9_setup(struct uart_port *port); - int i; - struct uart_port req; - for(i = 0; i < 2; i++) { - memset(&req, 0, sizeof(req)); - req.line = i; - req.iotype = UPIO_MEM; - req.membase = (char *)(0xff1ff300 + i * 0x100); - req.mapbase = 0xff1ff300 + i * 0x100; - req.irq = RBTX4938_IRQ_IRC_SIO(i); - req.flags |= UPF_BUGGY_UART /*HAVE_CTS_LINE*/; - req.uartclk = 50000000; - early_serial_txx9_setup(&req); - } - } + tx4938_setup_serial(); #ifdef CONFIG_SERIAL_TXX9_CONSOLE argptr = prom_getcmdline(); if (strstr(argptr, "console=") == NULL) { strcat(argptr, " console=ttyS0,38400"); } #endif -#endif #ifdef CONFIG_TOSHIBA_RBTX4938_MPLEX_PIO58_61 printk("PIOSEL: disabling both ata and nand selection\n"); @@ -568,7 +367,6 @@ static int __init rbtx4938_spi_init(void) static void __init rbtx4938_arch_init(void) { - txx9_gpio_init(TX4938_PIO_REG & 0xfffffffffULL, 0, 16); gpiochip_add(&rbtx4938_spi_gpio_chip); rbtx4938_pci_setup(); rbtx4938_spi_init(); |