From 2127435e57a15f1fea8d6969e264eeb05b28ba4b Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Thu, 15 Mar 2007 00:58:28 +0900 Subject: [MIPS] JMR3927 cleanup * Kill dead codes * Rearrange irq chip handlers * Minimize defconfig Signed-off-by: Atsushi Nemoto Signed-off-by: Ralf Baechle --- arch/mips/jmr3927/common/prom.c | 12 +- arch/mips/jmr3927/common/puts.c | 122 +------------ arch/mips/jmr3927/rbhma3100/Makefile | 1 - arch/mips/jmr3927/rbhma3100/init.c | 16 +- arch/mips/jmr3927/rbhma3100/irq.c | 312 ++++------------------------------ arch/mips/jmr3927/rbhma3100/kgdb_io.c | 54 +----- arch/mips/jmr3927/rbhma3100/setup.c | 157 +++-------------- 7 files changed, 65 insertions(+), 609 deletions(-) (limited to 'arch/mips/jmr3927') diff --git a/arch/mips/jmr3927/common/prom.c b/arch/mips/jmr3927/common/prom.c index aa481b774c4..5398813e50e 100644 --- a/arch/mips/jmr3927/common/prom.c +++ b/arch/mips/jmr3927/common/prom.c @@ -41,16 +41,6 @@ #include -extern int prom_argc; -extern char **prom_argv, **prom_envp; - -typedef struct -{ - char *name; -/* char *val; */ -}t_env_var; - - char * __init prom_getcmdline(void) { return &(arcs_cmdline[0]); @@ -60,6 +50,8 @@ void __init prom_init_cmdline(void) { char *cp; int actr; + int prom_argc = fw_arg0; + char **prom_argv = (char **) fw_arg1; actr = 1; /* Always ignore argv[0] */ diff --git a/arch/mips/jmr3927/common/puts.c b/arch/mips/jmr3927/common/puts.c index 1c1cad9cd07..c611ab49788 100644 --- a/arch/mips/jmr3927/common/puts.c +++ b/arch/mips/jmr3927/common/puts.c @@ -32,137 +32,29 @@ * 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include -#include #include -#include #define TIMEOUT 0xffffff -#define SLOW_DOWN - -static const char digits[16] = "0123456789abcdef"; - -#ifdef SLOW_DOWN -#define slow_down() { int k; for (k=0; k<10000; k++); } -#else -#define slow_down() -#endif void -putch(const unsigned char c) +prom_putchar(char c) { int i = 0; do { - slow_down(); i++; - if (i>TIMEOUT) { + if (i>TIMEOUT) break; - } } while (!(tx3927_sioptr(1)->cisr & TXx927_SICISR_TXALS)); tx3927_sioptr(1)->tfifo = c; return; } -unsigned char getch(void) -{ - int i = 0; - int dicr; - char c; - - /* diable RX int. */ - dicr = tx3927_sioptr(1)->dicr; - tx3927_sioptr(1)->dicr = 0; - - do { - slow_down(); - i++; - if (i>TIMEOUT) { - break; - } - } while (tx3927_sioptr(1)->disr & TXx927_SIDISR_UVALID) - ; - c = tx3927_sioptr(1)->rfifo; - - /* clear RX int. status */ - tx3927_sioptr(1)->disr &= ~TXx927_SIDISR_RDIS; - /* enable RX int. */ - tx3927_sioptr(1)->dicr = dicr; - - return c; -} -void -do_jmr3927_led_set(char n) -{ - /* and with current leds */ - jmr3927_led_and_set(n); -} - void -puts(unsigned char *cp) +puts(const char *cp) { - int i = 0; - - while (*cp) { - do { - slow_down(); - i++; - if (i>TIMEOUT) { - break; - } - } while (!(tx3927_sioptr(1)->cisr & TXx927_SICISR_TXALS)); - tx3927_sioptr(1)->tfifo = *cp++; - } - putch('\r'); - putch('\n'); -} - -void -fputs(unsigned char *cp) -{ - int i = 0; - - while (*cp) { - do { - slow_down(); - i++; - if (i>TIMEOUT) { - break; - } - } while (!(tx3927_sioptr(1)->cisr & TXx927_SICISR_TXALS)); - tx3927_sioptr(1)->tfifo = *cp++; - } -} - - -void -put64(uint64_t ul) -{ - int cnt; - unsigned ch; - - cnt = 16; /* 16 nibbles in a 64 bit long */ - putch('0'); - putch('x'); - do { - cnt--; - ch = (unsigned char)(ul >> cnt * 4) & 0x0F; - putch(digits[ch]); - } while (cnt > 0); -} - -void -put32(unsigned u) -{ - int cnt; - unsigned ch; - - cnt = 8; /* 8 nibbles in a 32 bit long */ - putch('0'); - putch('x'); - do { - cnt--; - ch = (unsigned char)(u >> cnt * 4) & 0x0F; - putch(digits[ch]); - } while (cnt > 0); + while (*cp) + prom_putchar(*cp++); + prom_putchar('\r'); + prom_putchar('\n'); } diff --git a/arch/mips/jmr3927/rbhma3100/Makefile b/arch/mips/jmr3927/rbhma3100/Makefile index 18fe9a898cb..8d00ba460ce 100644 --- a/arch/mips/jmr3927/rbhma3100/Makefile +++ b/arch/mips/jmr3927/rbhma3100/Makefile @@ -3,5 +3,4 @@ # obj-y += init.o irq.o setup.o -obj-$(CONFIG_RUNTIME_DEBUG) += debug.o obj-$(CONFIG_KGDB) += kgdb_io.o diff --git a/arch/mips/jmr3927/rbhma3100/init.c b/arch/mips/jmr3927/rbhma3100/init.c index a55cb4572de..9169fab1773 100644 --- a/arch/mips/jmr3927/rbhma3100/init.c +++ b/arch/mips/jmr3927/rbhma3100/init.c @@ -28,20 +28,10 @@ * 675 Mass Ave, Cambridge, MA 02139, USA. */ #include -#include -#include -#include - -#include #include -#include #include -int prom_argc; -char **prom_argv, **prom_envp; extern void __init prom_init_cmdline(void); -extern char *prom_getenv(char *envname); -unsigned long mips_nofpu = 0; const char *get_system_type(void) { @@ -52,7 +42,7 @@ const char *get_system_type(void) ; } -extern void puts(unsigned char *cp); +extern void puts(const char *cp); void __init prom_init(void) { @@ -61,10 +51,6 @@ void __init prom_init(void) if ((tx3927_ccfgptr->ccfg & TX3927_CCFG_TLBOFF) == 0) puts("Warning: TX3927 TLB off\n"); #endif - prom_argc = fw_arg0; - prom_argv = (char **) fw_arg1; - prom_envp = (char **) fw_arg2; - mips_machgroup = MACH_GROUP_TOSHIBA; #ifdef CONFIG_TOSHIBA_JMR3927 diff --git a/arch/mips/jmr3927/rbhma3100/irq.c b/arch/mips/jmr3927/rbhma3100/irq.c index 7d2c203cb40..1187b44a3dd 100644 --- a/arch/mips/jmr3927/rbhma3100/irq.c +++ b/arch/mips/jmr3927/rbhma3100/irq.c @@ -30,53 +30,21 @@ * 675 Mass Ave, Cambridge, MA 02139, USA. */ #include - -#include -#include -#include -#include #include #include #include -#include -#include -#include -#include -#include -#include -#include -#include #include #include #include -#include #include -#include -#include #include #if JMR3927_IRQ_END > NR_IRQS #error JMR3927_IRQ_END > NR_IRQS #endif -struct tb_irq_space* tb_irq_spaces; - -static int jmr3927_irq_base = -1; - -#ifdef CONFIG_PCI -static int jmr3927_gen_iack(void) -{ - /* generate ACK cycle */ -#ifdef __BIG_ENDIAN - return (tx3927_pcicptr->iiadp >> 24) & 0xff; -#else - return tx3927_pcicptr->iiadp & 0xff; -#endif -} -#endif - #define irc_dlevel 0 #define irc_elevel 1 @@ -87,89 +55,24 @@ static unsigned char irc_level[TX3927_NUM_IR] = { 6, 6, 6 /* TMR */ }; -static void jmr3927_irq_disable(unsigned int irq_nr); -static void jmr3927_irq_enable(unsigned int irq_nr); - -static void jmr3927_irq_ack(unsigned int irq) -{ - if (irq == JMR3927_IRQ_IRC_TMR0) - jmr3927_tmrptr->tisr = 0; /* ack interrupt */ - - jmr3927_irq_disable(irq); -} - -static void jmr3927_irq_end(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) - jmr3927_irq_enable(irq); -} - -static void jmr3927_irq_disable(unsigned int irq_nr) -{ - struct tb_irq_space* sp; - - for (sp = tb_irq_spaces; sp; sp = sp->next) { - if (sp->start_irqno <= irq_nr && - irq_nr < sp->start_irqno + sp->nr_irqs) { - if (sp->mask_func) - sp->mask_func(irq_nr - sp->start_irqno, - sp->space_id); - break; - } - } -} - -static void jmr3927_irq_enable(unsigned int irq_nr) -{ - struct tb_irq_space* sp; - - for (sp = tb_irq_spaces; sp; sp = sp->next) { - if (sp->start_irqno <= irq_nr && - irq_nr < sp->start_irqno + sp->nr_irqs) { - if (sp->unmask_func) - sp->unmask_func(irq_nr - sp->start_irqno, - sp->space_id); - break; - } - } -} - /* * CP0_STATUS is a thread's resource (saved/restored on context switch). - * So disable_irq/enable_irq MUST handle IOC/ISAC/IRC registers. + * So disable_irq/enable_irq MUST handle IOC/IRC registers. */ -static void mask_irq_isac(int irq_nr, int space_id) -{ - /* 0: mask */ - unsigned char imask = - jmr3927_isac_reg_in(JMR3927_ISAC_INTM_ADDR); - unsigned int bit = 1 << irq_nr; - jmr3927_isac_reg_out(imask & ~bit, JMR3927_ISAC_INTM_ADDR); - /* flush write buffer */ - (void)jmr3927_ioc_reg_in(JMR3927_IOC_REV_ADDR); -} -static void unmask_irq_isac(int irq_nr, int space_id) -{ - /* 0: mask */ - unsigned char imask = jmr3927_isac_reg_in(JMR3927_ISAC_INTM_ADDR); - unsigned int bit = 1 << irq_nr; - jmr3927_isac_reg_out(imask | bit, JMR3927_ISAC_INTM_ADDR); - /* flush write buffer */ - (void)jmr3927_ioc_reg_in(JMR3927_IOC_REV_ADDR); -} - -static void mask_irq_ioc(int irq_nr, int space_id) +static void mask_irq_ioc(unsigned int irq) { /* 0: mask */ + unsigned int irq_nr = irq - JMR3927_IRQ_IOC; unsigned char imask = jmr3927_ioc_reg_in(JMR3927_IOC_INTM_ADDR); unsigned int bit = 1 << irq_nr; jmr3927_ioc_reg_out(imask & ~bit, JMR3927_IOC_INTM_ADDR); /* flush write buffer */ (void)jmr3927_ioc_reg_in(JMR3927_IOC_REV_ADDR); } -static void unmask_irq_ioc(int irq_nr, int space_id) +static void unmask_irq_ioc(unsigned int irq) { /* 0: mask */ + unsigned int irq_nr = irq - JMR3927_IRQ_IOC; unsigned char imask = jmr3927_ioc_reg_in(JMR3927_IOC_INTM_ADDR); unsigned int bit = 1 << irq_nr; jmr3927_ioc_reg_out(imask | bit, JMR3927_IOC_INTM_ADDR); @@ -177,8 +80,9 @@ static void unmask_irq_ioc(int irq_nr, int space_id) (void)jmr3927_ioc_reg_in(JMR3927_IOC_REV_ADDR); } -static void mask_irq_irc(int irq_nr, int space_id) +static void mask_irq_irc(unsigned int irq) { + unsigned int irq_nr = irq - JMR3927_IRQ_IRC; volatile unsigned long *ilrp = &tx3927_ircptr->ilr[irq_nr / 2]; if (irq_nr & 1) *ilrp = (*ilrp & 0x00ff) | (irc_dlevel << 8); @@ -191,8 +95,9 @@ static void mask_irq_irc(int irq_nr, int space_id) (void)tx3927_ircptr->ssr; } -static void unmask_irq_irc(int irq_nr, int space_id) +static void unmask_irq_irc(unsigned int irq) { + unsigned int irq_nr = irq - JMR3927_IRQ_IRC; volatile unsigned long *ilrp = &tx3927_ircptr->ilr[irq_nr / 2]; if (irq_nr & 1) *ilrp = (*ilrp & 0x00ff) | (irc_level[irq_nr] << 8); @@ -203,98 +108,14 @@ static void unmask_irq_irc(int irq_nr, int space_id) tx3927_ircptr->imr = irc_elevel; } -struct tb_irq_space jmr3927_isac_irqspace = { - .next = NULL, - .start_irqno = JMR3927_IRQ_ISAC, - nr_irqs : JMR3927_NR_IRQ_ISAC, - .mask_func = mask_irq_isac, - .unmask_func = unmask_irq_isac, - .name = "ISAC", - .space_id = 0, - can_share : 0 -}; -struct tb_irq_space jmr3927_ioc_irqspace = { - .next = NULL, - .start_irqno = JMR3927_IRQ_IOC, - nr_irqs : JMR3927_NR_IRQ_IOC, - .mask_func = mask_irq_ioc, - .unmask_func = unmask_irq_ioc, - .name = "IOC", - .space_id = 0, - can_share : 1 -}; - -struct tb_irq_space jmr3927_irc_irqspace = { - .next = NULL, - .start_irqno = JMR3927_IRQ_IRC, - .nr_irqs = JMR3927_NR_IRQ_IRC, - .mask_func = mask_irq_irc, - .unmask_func = unmask_irq_irc, - .name = "on-chip", - .space_id = 0, - .can_share = 0 -}; - - -#ifdef CONFIG_TX_BRANCH_LIKELY_BUG_WORKAROUND -static int tx_branch_likely_bug_count = 0; -static int have_tx_branch_likely_bug = 0; - -static void tx_branch_likely_bug_fixup(void) -{ - struct pt_regs *regs = get_irq_regs(); - - /* TX39/49-BUG: Under this condition, the insn in delay slot - of the branch likely insn is executed (not nullified) even - the branch condition is false. */ - if (!have_tx_branch_likely_bug) - return; - if ((regs->cp0_epc & 0xfff) == 0xffc && - KSEGX(regs->cp0_epc) != KSEG0 && - KSEGX(regs->cp0_epc) != KSEG1) { - unsigned int insn = *(unsigned int*)(regs->cp0_epc - 4); - /* beql,bnel,blezl,bgtzl */ - /* bltzl,bgezl,blezall,bgezall */ - /* bczfl, bcztl */ - if ((insn & 0xf0000000) == 0x50000000 || - (insn & 0xfc0e0000) == 0x04020000 || - (insn & 0xf3fe0000) == 0x41020000) { - regs->cp0_epc -= 4; - tx_branch_likely_bug_count++; - printk(KERN_INFO - "fix branch-likery bug in %s (insn %08x)\n", - current->comm, insn); - } - } -} -#endif - -static void jmr3927_spurious(void) -{ - struct pt_regs * regs = get_irq_regs(); - -#ifdef CONFIG_TX_BRANCH_LIKELY_BUG_WORKAROUND - tx_branch_likely_bug_fixup(); -#endif - printk(KERN_WARNING "spurious interrupt (cause 0x%lx, pc 0x%lx, ra 0x%lx).\n", - regs->cp0_cause, regs->cp0_epc, regs->regs[31]); -} - asmlinkage void plat_irq_dispatch(void) { - struct pt_regs * regs = get_irq_regs(); + unsigned long cp0_cause = read_c0_cause(); int irq; -#ifdef CONFIG_TX_BRANCH_LIKELY_BUG_WORKAROUND - tx_branch_likely_bug_fixup(); -#endif - if ((regs->cp0_cause & CAUSEF_IP7) == 0) { -#if 0 - jmr3927_spurious(); -#endif + if ((cp0_cause & CAUSEF_IP7) == 0) return; - } - irq = (regs->cp0_cause >> CAUSEB_IP2) & 0x0f; + irq = (cp0_cause >> CAUSEB_IP2) & 0x0f; do_IRQ(irq + JMR3927_IRQ_IRC); } @@ -317,35 +138,6 @@ static struct irqaction ioc_action = { jmr3927_ioc_interrupt, 0, CPU_MASK_NONE, "IOC", NULL, NULL, }; -static irqreturn_t jmr3927_isac_interrupt(int irq, void *dev_id) -{ - unsigned char istat = jmr3927_isac_reg_in(JMR3927_ISAC_INTS2_ADDR); - int i; - - for (i = 0; i < JMR3927_NR_IRQ_ISAC; i++) { - if (istat & (1 << i)) { - irq = JMR3927_IRQ_ISAC + i; - do_IRQ(irq); - } - } - return IRQ_HANDLED; -} - -static struct irqaction isac_action = { - jmr3927_isac_interrupt, 0, CPU_MASK_NONE, "ISAC", NULL, NULL, -}; - - -static irqreturn_t jmr3927_isaerr_interrupt(int irq, void *dev_id) -{ - printk(KERN_WARNING "ISA error interrupt (irq 0x%x).\n", irq); - - return IRQ_HANDLED; -} -static struct irqaction isaerr_action = { - jmr3927_isaerr_interrupt, 0, CPU_MASK_NONE, "ISA error", NULL, NULL, -}; - static irqreturn_t jmr3927_pcierr_interrupt(int irq, void *dev_id) { printk(KERN_WARNING "PCI error interrupt (irq 0x%x).\n", irq); @@ -358,54 +150,19 @@ static struct irqaction pcierr_action = { jmr3927_pcierr_interrupt, 0, CPU_MASK_NONE, "PCI error", NULL, NULL, }; -int jmr3927_ether1_irq = 0; - -void jmr3927_irq_init(u32 irq_base); +static void __init jmr3927_irq_init(void); void __init arch_init_irq(void) { - /* look for io board's presence */ - int have_isac = jmr3927_have_isac(); - /* Now, interrupt control disabled, */ /* all IRC interrupts are masked, */ /* all IRC interrupt mode are Low Active. */ - if (have_isac) { - - /* ETHER1 (NE2000 compatible 10M-Ether) parameter setup */ - /* temporary enable interrupt control */ - tx3927_ircptr->cer = 1; - /* ETHER1 Int. Is High-Active. */ - if (tx3927_ircptr->ssr & (1 << 0)) - jmr3927_ether1_irq = JMR3927_IRQ_IRC_INT0; -#if 0 /* INT3 may be asserted by ether0 (even after reboot...) */ - else if (tx3927_ircptr->ssr & (1 << 3)) - jmr3927_ether1_irq = JMR3927_IRQ_IRC_INT3; -#endif - /* disable interrupt control */ - tx3927_ircptr->cer = 0; - - /* Ether1: High Active */ - if (jmr3927_ether1_irq) { - int ether1_irc = jmr3927_ether1_irq - JMR3927_IRQ_IRC; - tx3927_ircptr->cr[ether1_irc / 8] |= - TX3927_IRCR_HIGH << ((ether1_irc % 8) * 2); - } - } - /* mask all IOC interrupts */ jmr3927_ioc_reg_out(0, JMR3927_IOC_INTM_ADDR); /* setup IOC interrupt mode (SOFT:High Active, Others:Low Active) */ jmr3927_ioc_reg_out(JMR3927_IOC_INTF_SOFT, JMR3927_IOC_INTP_ADDR); - if (have_isac) { - /* mask all ISAC interrupts */ - jmr3927_isac_reg_out(0, JMR3927_ISAC_INTM_ADDR); - /* setup ISAC interrupt mode (ISAIRQ3,ISAIRQ5:Low Active ???) */ - jmr3927_isac_reg_out(JMR3927_ISAC_INTF_IRQ3|JMR3927_ISAC_INTF_IRQ5, JMR3927_ISAC_INTP_ADDR); - } - /* clear PCI Soft interrupts */ jmr3927_ioc_reg_out(0, JMR3927_IOC_INTS1_ADDR); /* clear PCI Reset interrupts */ @@ -415,21 +172,11 @@ void __init arch_init_irq(void) tx3927_ircptr->cer = TX3927_IRCER_ICE; tx3927_ircptr->imr = irc_elevel; - jmr3927_irq_init(NR_ISA_IRQS); - - /* setup irq space */ - add_tb_irq_space(&jmr3927_isac_irqspace); - add_tb_irq_space(&jmr3927_ioc_irqspace); - add_tb_irq_space(&jmr3927_irc_irqspace); + jmr3927_irq_init(); /* setup IOC interrupt 1 (PCI, MODEM) */ setup_irq(JMR3927_IRQ_IOCINT, &ioc_action); - if (have_isac) { - setup_irq(JMR3927_IRQ_ISACINT, &isac_action); - setup_irq(JMR3927_IRQ_ISAC_ISAER, &isaerr_action); - } - #ifdef CONFIG_PCI setup_irq(JMR3927_IRQ_IRC_PCI, &pcierr_action); #endif @@ -438,21 +185,28 @@ void __init arch_init_irq(void) set_c0_status(ST0_IM); /* IE bit is still 0. */ } -static struct irq_chip jmr3927_irq_controller = { - .name = "jmr3927_irq", - .ack = jmr3927_irq_ack, - .mask = jmr3927_irq_disable, - .mask_ack = jmr3927_irq_ack, - .unmask = jmr3927_irq_enable, - .end = jmr3927_irq_end, +static struct irq_chip jmr3927_irq_ioc = { + .name = "jmr3927_ioc", + .ack = mask_irq_ioc, + .mask = mask_irq_ioc, + .mask_ack = mask_irq_ioc, + .unmask = unmask_irq_ioc, }; -void jmr3927_irq_init(u32 irq_base) +static struct irq_chip jmr3927_irq_irc = { + .name = "jmr3927_irc", + .ack = mask_irq_irc, + .mask = mask_irq_irc, + .mask_ack = mask_irq_irc, + .unmask = unmask_irq_irc, +}; + +static void __init jmr3927_irq_init(void) { u32 i; - for (i= irq_base; i< irq_base + JMR3927_NR_IRQ_IRC + JMR3927_NR_IRQ_IOC; i++) - set_irq_chip(i, &jmr3927_irq_controller); - - jmr3927_irq_base = irq_base; + for (i = JMR3927_IRQ_IRC; i < JMR3927_IRQ_IRC + JMR3927_NR_IRQ_IRC; i++) + set_irq_chip_and_handler(i, &jmr3927_irq_irc, handle_level_irq); + for (i = JMR3927_IRQ_IOC; i < JMR3927_IRQ_IOC + JMR3927_NR_IRQ_IOC; i++) + set_irq_chip_and_handler(i, &jmr3927_irq_ioc, handle_level_irq); } diff --git a/arch/mips/jmr3927/rbhma3100/kgdb_io.c b/arch/mips/jmr3927/rbhma3100/kgdb_io.c index 269a42deae0..2604f2c9a96 100644 --- a/arch/mips/jmr3927/rbhma3100/kgdb_io.c +++ b/arch/mips/jmr3927/rbhma3100/kgdb_io.c @@ -31,23 +31,12 @@ * 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include -#include -#include #include #define TIMEOUT 0xffffff -#define SLOW_DOWN - -static const char digits[16] = "0123456789abcdef"; - -#ifdef SLOW_DOWN -#define slow_down() { int k; for (k=0; k<10000; k++); } -#else -#define slow_down() -#endif static int remoteDebugInitialized = 0; +static void debugInit(int baud) int putDebugChar(unsigned char c) { @@ -103,20 +92,8 @@ unsigned char getDebugChar(void) return c; } -void debugInit(int baud) +static void debugInit(int baud) { - /* - volatile unsigned long lcr; - volatile unsigned long dicr; - volatile unsigned long disr; - volatile unsigned long cisr; - volatile unsigned long fcr; - volatile unsigned long flcr; - volatile unsigned long bgr; - volatile unsigned long tfifo; - volatile unsigned long rfifo; - */ - tx3927_sioptr(0)->lcr = 0x020; tx3927_sioptr(0)->dicr = 0; tx3927_sioptr(0)->disr = 0x4100; @@ -125,31 +102,4 @@ void debugInit(int baud) tx3927_sioptr(0)->flcr = 0x02; tx3927_sioptr(0)->bgr = ((JMR3927_BASE_BAUD + baud / 2) / baud) | TXx927_SIBGR_BCLK_T0; -#if 0 - /* - * Reset the UART. - */ - tx3927_sioptr(0)->fcr = TXx927_SIFCR_SWRST; - while (tx3927_sioptr(0)->fcr & TXx927_SIFCR_SWRST) - ; - - /* - * and set the speed of the serial port - * (currently hardwired to 9600 8N1 - */ - - tx3927_sioptr(0)->lcr = TXx927_SILCR_UMODE_8BIT | - TXx927_SILCR_USBL_1BIT | - TXx927_SILCR_SCS_IMCLK_BG; - tx3927_sioptr(0)->bgr = - ((JMR3927_BASE_BAUD + baud / 2) / baud) | - TXx927_SIBGR_BCLK_T0; - - /* HW RTS/CTS control */ - if (ser->flags & ASYNC_HAVE_CTS_LINE) - tx3927_sioptr(0)->flcr = TXx927_SIFLCR_RCS | TXx927_SIFLCR_TES | - TXx927_SIFLCR_RTSTL_MAX /* 15 */; - /* Enable RX/TX */ - tx3927_sioptr(0)->flcr &= ~(TXx927_SIFLCR_RSDE | TXx927_SIFLCR_TSDE); -#endif } diff --git a/arch/mips/jmr3927/rbhma3100/setup.c b/arch/mips/jmr3927/rbhma3100/setup.c index fc523bda068..d1ef2895d56 100644 --- a/arch/mips/jmr3927/rbhma3100/setup.c +++ b/arch/mips/jmr3927/rbhma3100/setup.c @@ -54,87 +54,18 @@ #include #include -#include -#include #include -#include #include #include -#include -extern void puts(unsigned char *cp); +extern void puts(const char *cp); /* Tick Timer divider */ #define JMR3927_TIMER_CCD 0 /* 1/2 */ #define JMR3927_TIMER_CLK (JMR3927_IMCLK / (2 << JMR3927_TIMER_CCD)) -unsigned char led_state = 0xf; - -struct { - struct resource ram0; - struct resource ram1; - struct resource pcimem; - struct resource iob; - struct resource ioc; - struct resource pciio; - struct resource jmy1394; - struct resource rom1; - struct resource rom0; - struct resource sio0; - struct resource sio1; -} jmr3927_resources = { - { - .start = 0, - .end = 0x01FFFFFF, - .name = "RAM0", - .flags = IORESOURCE_MEM - }, { - .start = 0x02000000, - .end = 0x03FFFFFF, - .name = "RAM1", - .flags = IORESOURCE_MEM - }, { - .start = 0x08000000, - .end = 0x07FFFFFF, - .name = "PCIMEM", - .flags = IORESOURCE_MEM - }, { - .start = 0x10000000, - .end = 0x13FFFFFF, - .name = "IOB" - }, { - .start = 0x14000000, - .end = 0x14FFFFFF, - .name = "IOC" - }, { - .start = 0x15000000, - .end = 0x15FFFFFF, - .name = "PCIIO" - }, { - .start = 0x1D000000, - .end = 0x1D3FFFFF, - .name = "JMY1394" - }, { - .start = 0x1E000000, - .end = 0x1E3FFFFF, - .name = "ROM1" - }, { - .start = 0x1FC00000, - .end = 0x1FFFFFFF, - .name = "ROM0" - }, { - .start = 0xFFFEF300, - .end = 0xFFFEF3FF, - .name = "SIO0" - }, { - .start = 0xFFFEF400, - .end = 0xFFFEF4FF, - .name = "SIO1" - }, -}; - /* don't enable - see errata */ -int jmr3927_ccfg_toeon = 0; +static int jmr3927_ccfg_toeon; static inline void do_reset(void) { @@ -173,9 +104,15 @@ static cycle_t jmr3927_hpt_read(void) return jiffies * (JMR3927_TIMER_CLK / HZ) + jmr3927_tmrptr->trr; } +static void jmr3927_timer_ack(void) +{ + jmr3927_tmrptr->tisr = 0; /* ack interrupt */ +} + static void __init jmr3927_time_init(void) { clocksource_mips.read = jmr3927_hpt_read; + mips_timer_ack = jmr3927_timer_ack; mips_hpt_frequency = JMR3927_TIMER_CLK; } @@ -190,9 +127,6 @@ void __init plat_timer_setup(struct irqaction *irq) setup_irq(JMR3927_IRQ_TICK, irq); } -#define USECS_PER_JIFFY (1000000/HZ) - -//#undef DO_WRITE_THROUGH #define DO_WRITE_THROUGH #define DO_ENABLE_CACHE @@ -224,12 +158,6 @@ void __init plat_mem_setup(void) /* Reboot on panic */ panic_timeout = 180; - { - unsigned int conf; - conf = read_c0_conf(); - } - -#if 1 /* cache setup */ { unsigned int conf; @@ -256,16 +184,14 @@ void __init plat_mem_setup(void) write_c0_conf(conf); write_c0_cache(0); } -#endif /* initialize board */ jmr3927_board_init(); argptr = prom_getcmdline(); - if ((argptr = strstr(argptr, "toeon")) != NULL) { - jmr3927_ccfg_toeon = 1; - } + if ((argptr = strstr(argptr, "toeon")) != NULL) + jmr3927_ccfg_toeon = 1; argptr = prom_getcmdline(); if ((argptr = strstr(argptr, "ip=")) == NULL) { argptr = prom_getcmdline(); @@ -281,7 +207,7 @@ void __init plat_mem_setup(void) memset(&req, 0, sizeof(req)); req.line = i; req.iotype = UPIO_MEM; - req.membase = (char *)TX3927_SIO_REG(i); + req.membase = (unsigned char __iomem *)TX3927_SIO_REG(i); req.mapbase = TX3927_SIO_REG(i); req.irq = i == 0 ? JMR3927_IRQ_IRC_SIO0 : JMR3927_IRQ_IRC_SIO1; @@ -303,65 +229,33 @@ void __init plat_mem_setup(void) static void tx3927_setup(void); -#ifdef CONFIG_PCI -unsigned long mips_pci_io_base; -unsigned long mips_pci_io_size; -unsigned long mips_pci_mem_base; -unsigned long mips_pci_mem_size; -/* for legacy I/O, PCI I/O PCI Bus address must be 0 */ -unsigned long mips_pci_io_pciaddr = 0; -#endif - static void __init jmr3927_board_init(void) { - 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(); - 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 - } - /* 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()); } -void __init tx3927_setup(void) +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 */ @@ -475,10 +369,8 @@ void __init tx3927_setup(void) 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; @@ -491,22 +383,15 @@ void __init tx3927_setup(void) /* 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 */ @@ -555,8 +440,6 @@ static int __init jmr3927_rtc_init(void) .flags = IORESOURCE_MEM, }; struct platform_device *dev; - if (!jmr3927_have_nvram()) - return -ENODEV; dev = platform_device_register_simple("ds1742", -1, &res, 1); return IS_ERR(dev) ? PTR_ERR(dev) : 0; } -- cgit v1.2.3