static inline void do_reset(void)
{
#if 1 /* Resetting PCI bus */
jmr3927_ioc_reg_out(0, JMR3927_IOC_RESET_ADDR);
jmr3927_ioc_reg_out(JMR3927_IOC_RESET_PCI, JMR3927_IOC_RESET_ADDR);
(void)jmr3927_ioc_reg_in(JMR3927_IOC_RESET_ADDR); /* flush WB */
mdelay(1);
jmr3927_ioc_reg_out(0, JMR3927_IOC_RESET_ADDR);
#endif
jmr3927_ioc_reg_out(JMR3927_IOC_RESET_CPU, JMR3927_IOC_RESET_ADDR);
}
static void jmr3927_machine_restart(char *command)
{
local_irq_disable();
#if 1
jmr3927_ioc_reg_out(0, JMR3927_IOC_RESET_ADDR);
jmr3927_ioc_reg_out(JMR3927_IOC_RESET_PCI, JMR3927_IOC_RESET_ADDR);
(void)jmr3927_ioc_reg_in(JMR3927_IOC_RESET_ADDR);
mdelay(1);
jmr3927_ioc_reg_out(0, JMR3927_IOC_RESET_ADDR);
#endif
jmr3927_ioc_reg_out(JMR3927_IOC_RESET_CPU, JMR3927_IOC_RESET_ADDR);
(*_machine_halt)();
}
static void jmr3927_machine_restart(char *command)
{
local_irq_disable();
#if 1 /* Resetting PCI bus */
jmr3927_ioc_reg_out(0, JMR3927_IOC_RESET_ADDR);
jmr3927_ioc_reg_out(JMR3927_IOC_RESET_PCI, JMR3927_IOC_RESET_ADDR);
(void)jmr3927_ioc_reg_in(JMR3927_IOC_RESET_ADDR); /* flush WB */
mdelay(1);
jmr3927_ioc_reg_out(0, JMR3927_IOC_RESET_ADDR);
#endif
jmr3927_ioc_reg_out(JMR3927_IOC_RESET_CPU, JMR3927_IOC_RESET_ADDR);
/* fallback */
(*_machine_halt)();
}
static inline void do_reset(void)
{
#ifdef CONFIG_TC35815
extern void tc35815_killall(void);
tc35815_killall();
#endif
#if 1 /* Resetting PCI bus */
jmr3927_ioc_reg_out(0, JMR3927_IOC_RESET_ADDR);
jmr3927_ioc_reg_out(JMR3927_IOC_RESET_PCI, JMR3927_IOC_RESET_ADDR);
(void)jmr3927_ioc_reg_in(JMR3927_IOC_RESET_ADDR); /* flush WB */
mdelay(1);
jmr3927_ioc_reg_out(0, JMR3927_IOC_RESET_ADDR);
#endif
jmr3927_ioc_reg_out(JMR3927_IOC_RESET_CPU, JMR3927_IOC_RESET_ADDR);
}
static void jmr3927_board_init()
{
char *argptr;
#ifdef CONFIG_PCI
mips_pci_io_base = JMR3927_PCIIO;
mips_pci_io_size = JMR3927_PCIIO_SIZE;
mips_pci_mem_base = JMR3927_PCIMEM;
mips_pci_mem_size = JMR3927_PCIMEM_SIZE;
#endif
tx3927_setup();
#ifdef CONFIG_VT
conswitchp = &dummy_con;
#endif
if (jmr3927_have_isac()) {
#ifdef CONFIG_FB_E1355
argptr = prom_getcmdline();
if ((argptr = strstr(argptr, "video=")) == NULL) {
argptr = prom_getcmdline();
strcat(argptr, " video=e1355fb:crt16h");
}
#endif
#ifdef CONFIG_BLK_DEV_IDE
/* overrides PCI-IDE */
#endif
#ifdef CONFIG_PC_KEYB
//not yet kbd_ops = &jmr3927_kbd_ops;
#endif
}
#ifdef USE_RTC_DS1742
if (jmr3927_have_nvram()) {
rtc_ops = &jmr3927_rtc_ops;
}
#endif
/* SIO0 DTR on */
jmr3927_ioc_reg_out(0, JMR3927_IOC_DTR_ADDR);
jmr3927_led_set(0);
if (jmr3927_have_isac())
jmr3927_io_led_set(0);
printk("JMR-TX3927 (Rev %d) --- IOC(Rev %d) DIPSW:%d,%d,%d,%d\n",
jmr3927_ioc_reg_in(JMR3927_IOC_BREV_ADDR) & JMR3927_REV_MASK,
jmr3927_ioc_reg_in(JMR3927_IOC_REV_ADDR) & JMR3927_REV_MASK,
jmr3927_dipsw1(), jmr3927_dipsw2(),
jmr3927_dipsw3(), jmr3927_dipsw4());
if (jmr3927_have_isac())
printk("JMI-3927IO2 --- ISAC(Rev %d) DIPSW:%01x\n",
jmr3927_isac_reg_in(JMR3927_ISAC_REV_ADDR) & JMR3927_REV_MASK,
jmr3927_io_dipsw());
}
static void __init jmr3927_pci_setup(void)
{
#ifdef CONFIG_PCI
int extarb = !(tx3927_ccfgptr->ccfg & TX3927_CCFG_PCIXARB);
struct pci_controller *c;
c = txx9_alloc_pci_controller(&txx9_primary_pcic,
JMR3927_PCIMEM, JMR3927_PCIMEM_SIZE,
JMR3927_PCIIO, JMR3927_PCIIO_SIZE);
register_pci_controller(c);
if (!extarb) {
jmr3927_ioc_reg_out(0, JMR3927_IOC_RESET_ADDR);
udelay(100);
jmr3927_ioc_reg_out(JMR3927_IOC_RESET_PCI,
JMR3927_IOC_RESET_ADDR);
udelay(100);
jmr3927_ioc_reg_out(0, JMR3927_IOC_RESET_ADDR);
}
tx3927_pcic_setup(c, JMR3927_SDRAM_SIZE, extarb);
tx3927_setup_pcierr_irq();
#endif
}
static void __init jmr3927_board_init(void)
{
tx3927_setup();
/* SIO0 DTR on */
jmr3927_ioc_reg_out(0, JMR3927_IOC_DTR_ADDR);
jmr3927_led_set(0);
printk("JMR-TX3927 (Rev %d) --- IOC(Rev %d) DIPSW:%d,%d,%d,%d\n",
jmr3927_ioc_reg_in(JMR3927_IOC_BREV_ADDR) & JMR3927_REV_MASK,
jmr3927_ioc_reg_in(JMR3927_IOC_REV_ADDR) & JMR3927_REV_MASK,
jmr3927_dipsw1(), jmr3927_dipsw2(),
jmr3927_dipsw3(), jmr3927_dipsw4());
}
static void __init jmr3927_board_init(void)
{
txx9_cpu_clock = JMR3927_CORECLK;
tx3927_romcptr->cr[1] = JMR3927_ROMCE1 | 0x00030048;
tx3927_romcptr->cr[2] = JMR3927_ROMCE2 | 0x000064c8;
tx3927_romcptr->cr[3] = JMR3927_ROMCE3 | 0x0003f698;
tx3927_romcptr->cr[5] = JMR3927_ROMCE5 | 0x0000f218;
tx3927_ccfgptr->pcfg &= ~TX3927_PCFG_SELALL;
tx3927_ccfgptr->pcfg |=
TX3927_PCFG_SELSIOC(0) | TX3927_PCFG_SELSIO_ALL |
(TX3927_PCFG_SELDMA_ALL & ~TX3927_PCFG_SELDMA(1));
tx3927_setup();
__raw_writel(0x0000f000, &tx3927_pioptr->dir);
gpio_request(11, "dipsw1");
gpio_request(10, "dipsw2");
jmr3927_pci_setup();
jmr3927_ioc_reg_out(0, JMR3927_IOC_DTR_ADDR);
jmr3927_led_set(0);
printk(KERN_INFO
"JMR-TX3927 (Rev %d) --- IOC(Rev %d) DIPSW:%d,%d,%d,%d\n",
jmr3927_ioc_reg_in(JMR3927_IOC_BREV_ADDR) & JMR3927_REV_MASK,
jmr3927_ioc_reg_in(JMR3927_IOC_REV_ADDR) & JMR3927_REV_MASK,
jmr3927_dipsw1(), jmr3927_dipsw2(),
jmr3927_dipsw3(), jmr3927_dipsw4());
}
void __init tx3927_setup(void)
{
int i;
/* SDRAMC are configured by PROM */
/* ROMC */
tx3927_romcptr->cr[1] = JMR3927_ROMCE1 | 0x00030048;
tx3927_romcptr->cr[2] = JMR3927_ROMCE2 | 0x000064c8;
tx3927_romcptr->cr[3] = JMR3927_ROMCE3 | 0x0003f698;
tx3927_romcptr->cr[5] = JMR3927_ROMCE5 | 0x0000f218;
/* CCFG */
/* enable Timeout BusError */
if (jmr3927_ccfg_toeon)
tx3927_ccfgptr->ccfg |= TX3927_CCFG_TOE;
/* clear BusErrorOnWrite flag */
tx3927_ccfgptr->ccfg &= ~TX3927_CCFG_BEOW;
/* Disable PCI snoop */
tx3927_ccfgptr->ccfg &= ~TX3927_CCFG_PSNP;
#ifdef DO_WRITE_THROUGH
/* Enable PCI SNOOP - with write through only */
tx3927_ccfgptr->ccfg |= TX3927_CCFG_PSNP;
#endif
/* Pin selection */
tx3927_ccfgptr->pcfg &= ~TX3927_PCFG_SELALL;
tx3927_ccfgptr->pcfg |=
TX3927_PCFG_SELSIOC(0) | TX3927_PCFG_SELSIO_ALL |
(TX3927_PCFG_SELDMA_ALL & ~TX3927_PCFG_SELDMA(1));
printk("TX3927 -- CRIR:%08lx CCFG:%08lx PCFG:%08lx\n",
tx3927_ccfgptr->crir,
tx3927_ccfgptr->ccfg, tx3927_ccfgptr->pcfg);
/* IRC */
/* disable interrupt control */
tx3927_ircptr->cer = 0;
/* mask all IRC interrupts */
tx3927_ircptr->imr = 0;
for (i = 0; i < TX3927_NUM_IR / 2; i++) {
tx3927_ircptr->ilr[i] = 0;
}
/* setup IRC interrupt mode (Low Active) */
for (i = 0; i < TX3927_NUM_IR / 8; i++) {
tx3927_ircptr->cr[i] = 0;
}
/* TMR */
/* disable all timers */
for (i = 0; i < TX3927_NR_TMR; i++) {
tx3927_tmrptr(i)->tcr = TXx927_TMTCR_CRE;
tx3927_tmrptr(i)->tisr = 0;
tx3927_tmrptr(i)->cpra = 0xffffffff;
tx3927_tmrptr(i)->itmr = 0;
tx3927_tmrptr(i)->ccdr = 0;
tx3927_tmrptr(i)->pgmr = 0;
}
/* DMA */
tx3927_dmaptr->mcr = 0;
for (i = 0; i < sizeof(tx3927_dmaptr->ch) / sizeof(tx3927_dmaptr->ch[0]); i++) {
/* reset channel */
tx3927_dmaptr->ch[i].ccr = TX3927_DMA_CCR_CHRST;
tx3927_dmaptr->ch[i].ccr = 0;
}
/* enable DMA */
#ifdef __BIG_ENDIAN
tx3927_dmaptr->mcr = TX3927_DMA_MCR_MSTEN;
#else
tx3927_dmaptr->mcr = TX3927_DMA_MCR_MSTEN | TX3927_DMA_MCR_LE;
#endif
#ifdef CONFIG_PCI
/* PCIC */
printk("TX3927 PCIC -- DID:%04x VID:%04x RID:%02x Arbiter:",
tx3927_pcicptr->did, tx3927_pcicptr->vid,
tx3927_pcicptr->rid);
if (!(tx3927_ccfgptr->ccfg & TX3927_CCFG_PCIXARB)) {
printk("External\n");
/* XXX */
} else {
printk("Internal\n");
/* Reset PCI Bus */
jmr3927_ioc_reg_out(0, JMR3927_IOC_RESET_ADDR);
udelay(100);
jmr3927_ioc_reg_out(JMR3927_IOC_RESET_PCI,
JMR3927_IOC_RESET_ADDR);
udelay(100);
jmr3927_ioc_reg_out(0, JMR3927_IOC_RESET_ADDR);
/* Disable External PCI Config. Access */
tx3927_pcicptr->lbc = TX3927_PCIC_LBC_EPCAD;
#ifdef __BIG_ENDIAN
tx3927_pcicptr->lbc |= TX3927_PCIC_LBC_IBSE |
TX3927_PCIC_LBC_TIBSE |
TX3927_PCIC_LBC_TMFBSE | TX3927_PCIC_LBC_MSDSE;
#endif
/* LB->PCI mappings */
tx3927_pcicptr->iomas = ~(mips_pci_io_size - 1);
tx3927_pcicptr->ilbioma = mips_pci_io_base;
tx3927_pcicptr->ipbioma = mips_pci_io_pciaddr;
tx3927_pcicptr->mmas = ~(mips_pci_mem_size - 1);
tx3927_pcicptr->ilbmma = mips_pci_mem_base;
tx3927_pcicptr->ipbmma = mips_pci_mem_base;
/* PCI->LB mappings */
tx3927_pcicptr->iobas = 0xffffffff;
tx3927_pcicptr->ioba = 0;
tx3927_pcicptr->tlbioma = 0;
tx3927_pcicptr->mbas = ~(mips_pci_mem_size - 1);
tx3927_pcicptr->mba = 0;
tx3927_pcicptr->tlbmma = 0;
#ifndef JMR3927_INIT_INDIRECT_PCI
/* Enable Direct mapping Address Space Decoder */
tx3927_pcicptr->lbc |= TX3927_PCIC_LBC_ILMDE | TX3927_PCIC_LBC_ILIDE;
#endif
/* Clear All Local Bus Status */
tx3927_pcicptr->lbstat = TX3927_PCIC_LBIM_ALL;
/* Enable All Local Bus Interrupts */
tx3927_pcicptr->lbim = TX3927_PCIC_LBIM_ALL;
/* Clear All PCI Status Error */
tx3927_pcicptr->pcistat = TX3927_PCIC_PCISTATIM_ALL;
/* Enable All PCI Status Error Interrupts */
tx3927_pcicptr->pcistatim = TX3927_PCIC_PCISTATIM_ALL;
/* PCIC Int => IRC IRQ10 */
tx3927_pcicptr->il = TX3927_IR_PCI;
#if 1
/* Target Control (per errata) */
tx3927_pcicptr->tc = TX3927_PCIC_TC_OF8E | TX3927_PCIC_TC_IF8E;
#endif
/* Enable Bus Arbiter */
#if 0
tx3927_pcicptr->req_trace = 0x73737373;
#endif
tx3927_pcicptr->pbapmc = TX3927_PCIC_PBAPMC_PBAEN;
tx3927_pcicptr->pcicmd = PCI_COMMAND_MASTER |
PCI_COMMAND_MEMORY |
#if 1
PCI_COMMAND_IO |
#endif
PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
}
#endif /* CONFIG_PCI */
/* PIO */
/* PIO[15:12] connected to LEDs */
tx3927_pioptr->dir = 0x0000f000;
tx3927_pioptr->maskcpu = 0;
tx3927_pioptr->maskext = 0;
{
unsigned int conf;
conf = read_c0_conf();
if (!(conf & TX39_CONF_ICE))
printk("TX3927 I-Cache disabled.\n");
if (!(conf & TX39_CONF_DCE))
printk("TX3927 D-Cache disabled.\n");
else if (!(conf & TX39_CONF_WBON))
printk("TX3927 D-Cache WriteThrough.\n");
else if (!(conf & TX39_CONF_CWFON))
printk("TX3927 D-Cache WriteBack.\n");
else
printk("TX3927 D-Cache WriteBack (CWF) .\n");
}
}
static void __init tx3927_setup(void)
{
int i;
#ifdef CONFIG_PCI
unsigned long mips_pci_io_base = JMR3927_PCIIO;
unsigned long mips_pci_io_size = JMR3927_PCIIO_SIZE;
unsigned long mips_pci_mem_base = JMR3927_PCIMEM;
unsigned long mips_pci_mem_size = JMR3927_PCIMEM_SIZE;
/* for legacy I/O, PCI I/O PCI Bus address must be 0 */
unsigned long mips_pci_io_pciaddr = 0;
#endif
/* SDRAMC are configured by PROM */
/* ROMC */
tx3927_romcptr->cr[1] = JMR3927_ROMCE1 | 0x00030048;
tx3927_romcptr->cr[2] = JMR3927_ROMCE2 | 0x000064c8;
tx3927_romcptr->cr[3] = JMR3927_ROMCE3 | 0x0003f698;
tx3927_romcptr->cr[5] = JMR3927_ROMCE5 | 0x0000f218;
/* CCFG */
/* enable Timeout BusError */
if (jmr3927_ccfg_toeon)
tx3927_ccfgptr->ccfg |= TX3927_CCFG_TOE;
/* clear BusErrorOnWrite flag */
tx3927_ccfgptr->ccfg &= ~TX3927_CCFG_BEOW;
/* Disable PCI snoop */
tx3927_ccfgptr->ccfg &= ~TX3927_CCFG_PSNP;
/* do reset on watchdog */
tx3927_ccfgptr->ccfg |= TX3927_CCFG_WR;
#ifdef DO_WRITE_THROUGH
/* Enable PCI SNOOP - with write through only */
tx3927_ccfgptr->ccfg |= TX3927_CCFG_PSNP;
#endif
/* Pin selection */
tx3927_ccfgptr->pcfg &= ~TX3927_PCFG_SELALL;
tx3927_ccfgptr->pcfg |=
TX3927_PCFG_SELSIOC(0) | TX3927_PCFG_SELSIO_ALL |
(TX3927_PCFG_SELDMA_ALL & ~TX3927_PCFG_SELDMA(1));
printk("TX3927 -- CRIR:%08lx CCFG:%08lx PCFG:%08lx\n",
tx3927_ccfgptr->crir,
tx3927_ccfgptr->ccfg, tx3927_ccfgptr->pcfg);
/* TMR */
for (i = 0; i < TX3927_NR_TMR; i++)
txx9_tmr_init(TX3927_TMR_REG(i));
/* DMA */
tx3927_dmaptr->mcr = 0;
for (i = 0; i < ARRAY_SIZE(tx3927_dmaptr->ch); i++) {
/* reset channel */
tx3927_dmaptr->ch[i].ccr = TX3927_DMA_CCR_CHRST;
tx3927_dmaptr->ch[i].ccr = 0;
}
/* enable DMA */
#ifdef __BIG_ENDIAN
tx3927_dmaptr->mcr = TX3927_DMA_MCR_MSTEN;
#else
tx3927_dmaptr->mcr = TX3927_DMA_MCR_MSTEN | TX3927_DMA_MCR_LE;
#endif
#ifdef CONFIG_PCI
/* PCIC */
printk("TX3927 PCIC -- DID:%04x VID:%04x RID:%02x Arbiter:",
tx3927_pcicptr->did, tx3927_pcicptr->vid,
tx3927_pcicptr->rid);
if (!(tx3927_ccfgptr->ccfg & TX3927_CCFG_PCIXARB)) {
printk("External\n");
/* XXX */
} else {
printk("Internal\n");
/* Reset PCI Bus */
jmr3927_ioc_reg_out(0, JMR3927_IOC_RESET_ADDR);
udelay(100);
jmr3927_ioc_reg_out(JMR3927_IOC_RESET_PCI,
JMR3927_IOC_RESET_ADDR);
udelay(100);
jmr3927_ioc_reg_out(0, JMR3927_IOC_RESET_ADDR);
/* Disable External PCI Config. Access */
tx3927_pcicptr->lbc = TX3927_PCIC_LBC_EPCAD;
#ifdef __BIG_ENDIAN
tx3927_pcicptr->lbc |= TX3927_PCIC_LBC_IBSE |
TX3927_PCIC_LBC_TIBSE |
TX3927_PCIC_LBC_TMFBSE | TX3927_PCIC_LBC_MSDSE;
#endif
/* LB->PCI mappings */
tx3927_pcicptr->iomas = ~(mips_pci_io_size - 1);
tx3927_pcicptr->ilbioma = mips_pci_io_base;
tx3927_pcicptr->ipbioma = mips_pci_io_pciaddr;
tx3927_pcicptr->mmas = ~(mips_pci_mem_size - 1);
tx3927_pcicptr->ilbmma = mips_pci_mem_base;
tx3927_pcicptr->ipbmma = mips_pci_mem_base;
/* PCI->LB mappings */
tx3927_pcicptr->iobas = 0xffffffff;
tx3927_pcicptr->ioba = 0;
tx3927_pcicptr->tlbioma = 0;
tx3927_pcicptr->mbas = ~(mips_pci_mem_size - 1);
tx3927_pcicptr->mba = 0;
tx3927_pcicptr->tlbmma = 0;
/* Enable Direct mapping Address Space Decoder */
tx3927_pcicptr->lbc |= TX3927_PCIC_LBC_ILMDE | TX3927_PCIC_LBC_ILIDE;
/* Clear All Local Bus Status */
tx3927_pcicptr->lbstat = TX3927_PCIC_LBIM_ALL;
/* Enable All Local Bus Interrupts */
tx3927_pcicptr->lbim = TX3927_PCIC_LBIM_ALL;
/* Clear All PCI Status Error */
tx3927_pcicptr->pcistat = TX3927_PCIC_PCISTATIM_ALL;
/* Enable All PCI Status Error Interrupts */
tx3927_pcicptr->pcistatim = TX3927_PCIC_PCISTATIM_ALL;
/* PCIC Int => IRC IRQ10 */
tx3927_pcicptr->il = TX3927_IR_PCI;
/* Target Control (per errata) */
tx3927_pcicptr->tc = TX3927_PCIC_TC_OF8E | TX3927_PCIC_TC_IF8E;
/* Enable Bus Arbiter */
tx3927_pcicptr->pbapmc = TX3927_PCIC_PBAPMC_PBAEN;
tx3927_pcicptr->pcicmd = PCI_COMMAND_MASTER |
PCI_COMMAND_MEMORY |
PCI_COMMAND_IO |
PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
}
#endif /* CONFIG_PCI */
/* PIO */
/* PIO[15:12] connected to LEDs */
__raw_writel(0x0000f000, &tx3927_pioptr->dir);
__raw_writel(0, &tx3927_pioptr->maskcpu);
__raw_writel(0, &tx3927_pioptr->maskext);
txx9_gpio_init(TX3927_PIO_REG, 0, 16);
gpio_request(11, "dipsw1");
gpio_request(10, "dipsw2");
{
unsigned int conf;
conf = read_c0_conf();
if (!(conf & TX39_CONF_ICE))
printk("TX3927 I-Cache disabled.\n");
if (!(conf & TX39_CONF_DCE))
printk("TX3927 D-Cache disabled.\n");
else if (!(conf & TX39_CONF_WBON))
printk("TX3927 D-Cache WriteThrough.\n");
else if (!(conf & TX39_CONF_CWFON))
printk("TX3927 D-Cache WriteBack.\n");
else
printk("TX3927 D-Cache WriteBack (CWF) .\n");
}
}
