diff options
Diffstat (limited to 'cpu/mpc5xx')
| -rw-r--r-- | cpu/mpc5xx/Makefile | 6 | ||||
| -rw-r--r-- | cpu/mpc5xx/config.mk | 5 | ||||
| -rw-r--r-- | cpu/mpc5xx/cpu.c | 41 | ||||
| -rw-r--r-- | cpu/mpc5xx/cpu_init.c | 12 | ||||
| -rw-r--r-- | cpu/mpc5xx/interrupts.c | 22 | ||||
| -rw-r--r-- | cpu/mpc5xx/serial.c | 55 | ||||
| -rw-r--r-- | cpu/mpc5xx/speed.c | 10 | ||||
| -rw-r--r-- | cpu/mpc5xx/start.S | 23 |
8 files changed, 85 insertions, 89 deletions
diff --git a/cpu/mpc5xx/Makefile b/cpu/mpc5xx/Makefile index c05b394..ee20dda 100644 --- a/cpu/mpc5xx/Makefile +++ b/cpu/mpc5xx/Makefile @@ -23,10 +23,10 @@ # # File: cpu/mpc5xx/Makefile -# +# # Discription: Makefile to build mpc5xx cpu configuration. # Will include top config.mk which itselfs -# uses the definitions made in cpu/mpc5xx/config.mk +# uses the definitions made in cpu/mpc5xx/config.mk # @@ -34,7 +34,7 @@ include $(TOPDIR)/config.mk LIB = lib$(CPU).a -START = start.S +START = start.S OBJS = serial.o cpu.o cpu_init.o interrupts.o traps.o speed.o all: .depend $(START) $(LIB) diff --git a/cpu/mpc5xx/config.mk b/cpu/mpc5xx/config.mk index d302d48..cfed499 100644 --- a/cpu/mpc5xx/config.mk +++ b/cpu/mpc5xx/config.mk @@ -23,12 +23,11 @@ # # File: config.mk -# +# # Discription: compiler flags and make definitions # - + PLATFORM_RELFLAGS += -mrelocatable -ffixed-r14 -meabi PLATFORM_CPPFLAGS += -DCONFIG_5xx -ffixed-r2 -ffixed-r29 -mpowerpc -msoft-float - diff --git a/cpu/mpc5xx/cpu.c b/cpu/mpc5xx/cpu.c index 5b3bd26..cc69511 100644 --- a/cpu/mpc5xx/cpu.c +++ b/cpu/mpc5xx/cpu.c @@ -17,15 +17,15 @@ * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software - * Foundation, + * Foundation, */ /* * File: cpu.c - * - * Discription: Some cpu specific function for watchdog, + * + * Discription: Some cpu specific function for watchdog, * cpu version test, clock setting ... - * + * */ @@ -74,7 +74,7 @@ int checkcpu (void) } /* - * Called by macro WATCHDOG_RESET + * Called by macro WATCHDOG_RESET */ #if defined(CONFIG_WATCHDOG) void watchdog_reset (void) @@ -93,7 +93,7 @@ void reset_5xx_watchdog (volatile immap_t * immr) { /* Use the MPC5xx Internal Watchdog */ immr->im_siu_conf.sc_swsr = 0x556c; /* Prevent SW time-out */ - immr->im_siu_conf.sc_swsr = 0xaa39; + immr->im_siu_conf.sc_swsr = 0xaa39; } #endif /* CONFIG_WATCHDOG */ @@ -124,32 +124,31 @@ unsigned long get_tbclk (void) /* - * Reset board + * Reset board */ int do_reset (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) { ulong addr; - + /* Interrupts off, enable reset */ - __asm__ volatile (" mtspr 81, %r0 \n\t" + __asm__ volatile (" mtspr 81, %r0 \n\t" " mfmsr %r3 \n\t" " rlwinm %r31,%r3,0,25,23\n\t" " mtmsr %r31 \n\t"); - /* - * Trying to execute the next instruction at a non-existing address - * should cause a machine check, resulting in reset - */ + /* + * Trying to execute the next instruction at a non-existing address + * should cause a machine check, resulting in reset + */ #ifdef CFG_RESET_ADDRESS - addr = CFG_RESET_ADDRESS; + addr = CFG_RESET_ADDRESS; #else - /* - * note: when CFG_MONITOR_BASE points to a RAM address, CFG_MONITOR_BASE * - sizeof (ulong) is usually a valid address. Better pick an address - * known to be invalid on your system and assign it to CFG_RESET_ADDRESS. - * "(ulong)-1" used to be a good choice for many systems... - */ - addr = CFG_MONITOR_BASE - sizeof (ulong); + /* + * note: when CFG_MONITOR_BASE points to a RAM address, CFG_MONITOR_BASE * - sizeof (ulong) is usually a valid address. Better pick an address + * known to be invalid on your system and assign it to CFG_RESET_ADDRESS. + * "(ulong)-1" used to be a good choice for many systems... + */ + addr = CFG_MONITOR_BASE - sizeof (ulong); #endif ((void (*) (void)) addr) (); return 1; } - diff --git a/cpu/mpc5xx/cpu_init.c b/cpu/mpc5xx/cpu_init.c index 27cf3d6..e19d0f4 100644 --- a/cpu/mpc5xx/cpu_init.c +++ b/cpu/mpc5xx/cpu_init.c @@ -16,12 +16,12 @@ * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software - * Foundation, + * Foundation, */ /* * File: cpu_init.c - * + * * Discription: Contains initialisation functions to setup * the cpu properly * @@ -32,7 +32,7 @@ #include <watchdog.h> /* - * Setup essential cpu registers to run + * Setup essential cpu registers to run */ void cpu_init_f (volatile immap_t * immr) { @@ -45,7 +45,7 @@ void cpu_init_f (volatile immap_t * immr) #if defined(CONFIG_WATCHDOG) reset_5xx_watchdog (immr); -#endif +#endif /* SIUMCR - contains debug pin configuration */ immr->im_siu_conf.sc_siumcr |= CFG_SIUMCR; @@ -56,10 +56,10 @@ void cpu_init_f (volatile immap_t * immr) /* Full IMB bus speed */ immr->im_uimb.uimb_umcr = CFG_UMCR; - + /* Time base and decrementer will be enables (TBE) */ /* in init_timebase() in time.c called from board_init_f(). */ - + /* Initialize the PIT. Unlock PISCRK */ immr->im_sitk.sitk_piscrk = KAPWR_KEY; immr->im_sit.sit_piscr = CFG_PISCR; diff --git a/cpu/mpc5xx/interrupts.c b/cpu/mpc5xx/interrupts.c index 282c316..4618680 100644 --- a/cpu/mpc5xx/interrupts.c +++ b/cpu/mpc5xx/interrupts.c @@ -17,12 +17,12 @@ * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software - * Foundation, + * Foundation, */ /* * File: interrupt.c - * + * * Discription: Contains interrupt routines needed by U-Boot * */ @@ -46,7 +46,7 @@ struct interrupt_action { static struct interrupt_action irq_vecs[NR_IRQS]; /* - * Local function prototypes + * Local function prototypes */ static __inline__ unsigned long get_msr (void) { @@ -78,15 +78,15 @@ static __inline__ void set_dec (unsigned long val) } /* - * Enable interrupts - */ + * Enable interrupts + */ void enable_interrupts (void) { set_msr (get_msr () | MSR_EE); } -/* - * Returns flag if MSR_EE was set before +/* + * Returns flag if MSR_EE was set before */ int disable_interrupts (void) { @@ -97,7 +97,7 @@ int disable_interrupts (void) } /* - * Initialise interrupts + * Initialise interrupts */ int interrupt_init (void) @@ -209,7 +209,7 @@ void irq_free_handler (int vec) volatile ulong timestamp = 0; /* - * Timer interrupt - gets called when bit 0 of DEC changes from + * Timer interrupt - gets called when bit 0 of DEC changes from * 0. Decrementer is enabled with bit TBE in TBSCR. */ void timer_interrupt (struct pt_regs *regs) @@ -226,7 +226,7 @@ void timer_interrupt (struct pt_regs *regs) immr->im_clkrstk.cark_plprcrk = KAPWR_KEY; __asm__ ("nop"); immr->im_clkrst.car_plprcr |= PLPRCR_TEXPS | PLPRCR_TMIST; - + /* Restore Decrementer Count */ set_dec (decrementer_count); @@ -249,7 +249,7 @@ void timer_interrupt (struct pt_regs *regs) } /* - * Reset timer + * Reset timer */ void reset_timer (void) { diff --git a/cpu/mpc5xx/serial.c b/cpu/mpc5xx/serial.c index 738c275..4868782 100644 --- a/cpu/mpc5xx/serial.c +++ b/cpu/mpc5xx/serial.c @@ -17,13 +17,13 @@ * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software - * Foundation, + * Foundation, */ /* * File: serial.c - * - * Discription: Serial interface driver for SCI1 and SCI2. + * + * Discription: Serial interface driver for SCI1 and SCI2. * Since this code will be called from ROM use * only non-static local variables. * @@ -36,7 +36,7 @@ /* - * Local function prototypes + * Local function prototypes */ static int ready_to_send(void); @@ -54,25 +54,25 @@ int serial_init (void) #if defined(CONFIG_5xx_CONS_SCI1) /* 10-Bit, 1 start bit, 8 data bit, no parity, 1 stop bit */ immr->im_qsmcm.qsmcm_scc1r1 = SCI_M_10; - immr->im_qsmcm.qsmcm_scc1r1 = SCI_TE | SCI_RE; + immr->im_qsmcm.qsmcm_scc1r1 = SCI_TE | SCI_RE; #else - immr->im_qsmcm.qsmcm_scc2r1 = SCI_M_10; + immr->im_qsmcm.qsmcm_scc2r1 = SCI_M_10; immr->im_qsmcm.qsmcm_scc2r1 = SCI_TE | SCI_RE; #endif return 0; } void serial_putc(const char c) -{ +{ volatile immap_t *immr = (immap_t *)CFG_IMMR; - + /* Test for completition */ if(ready_to_send()) { #if defined(CONFIG_5xx_CONS_SCI1) - immr->im_qsmcm.qsmcm_sc1dr = (short)c; + immr->im_qsmcm.qsmcm_sc1dr = (short)c; #else immr->im_qsmcm.qsmcm_sc2dr = (short)c; -#endif +#endif if(c == '\n') { if(ready_to_send()); #if defined(CONFIG_5xx_CONS_SCI1) @@ -85,27 +85,27 @@ void serial_putc(const char c) } int serial_getc(void) -{ +{ volatile immap_t *immr = (immap_t *)CFG_IMMR; volatile short status; unsigned char tmp; - + /* New data ? */ do { #if defined(CONFIG_5xx_CONS_SCI1) - status = immr->im_qsmcm.qsmcm_sc1sr; + status = immr->im_qsmcm.qsmcm_sc1sr; #else status = immr->im_qsmcm.qsmcm_sc2sr; #endif #if defined(CONFIG_WATCHDOG) - reset_5xx_watchdog (immr); + reset_5xx_watchdog (immr); #endif - } while ((status & SCI_RDRF) == 0); - + } while ((status & SCI_RDRF) == 0); + /* Read data */ #if defined(CONFIG_5xx_CONS_SCI1) - tmp = (unsigned char)(immr->im_qsmcm.qsmcm_sc1dr & SCI_SCXDR_MK); + tmp = (unsigned char)(immr->im_qsmcm.qsmcm_sc1dr & SCI_SCXDR_MK); #else tmp = (unsigned char)( immr->im_qsmcm.qsmcm_sc2dr & SCI_SCXDR_MK); #endif @@ -115,27 +115,27 @@ int serial_getc(void) int serial_tstc() { volatile immap_t *immr = (immap_t *)CFG_IMMR; - short status; + short status; /* New data character ? */ #if defined(CONFIG_5xx_CONS_SCI1) - status = immr->im_qsmcm.qsmcm_sc1sr; + status = immr->im_qsmcm.qsmcm_sc1sr; #else status = immr->im_qsmcm.qsmcm_sc2sr; #endif - return (status & SCI_RDRF); + return (status & SCI_RDRF); } void serial_setbrg (void) { DECLARE_GLOBAL_DATA_PTR; - volatile immap_t *immr = (immap_t *)CFG_IMMR; + volatile immap_t *immr = (immap_t *)CFG_IMMR; short scxbr; /* Set baudrate */ scxbr = (gd->cpu_clk / (32 * gd->baudrate)); #if defined(CONFIG_5xx_CONS_SCI1) - immr->im_qsmcm.qsmcm_scc1r0 = (scxbr & SCI_SCXBR_MK); + immr->im_qsmcm.qsmcm_scc1r0 = (scxbr & SCI_SCXBR_MK); #else immr->im_qsmcm.qsmcm_scc2r0 = (scxbr & SCI_SCXBR_MK); #endif @@ -154,18 +154,17 @@ int ready_to_send(void) volatile immap_t *immr = (immap_t *)CFG_IMMR; volatile short status; - do { + do { #if defined(CONFIG_5xx_CONS_SCI1) - status = immr->im_qsmcm.qsmcm_sc1sr; + status = immr->im_qsmcm.qsmcm_sc1sr; #else status = immr->im_qsmcm.qsmcm_sc2sr; #endif #if defined(CONFIG_WATCHDOG) - reset_5xx_watchdog (immr); + reset_5xx_watchdog (immr); #endif - } while ((status & SCI_TDRE) == 0); - return 1; + } while ((status & SCI_TDRE) == 0); + return 1; } - diff --git a/cpu/mpc5xx/speed.c b/cpu/mpc5xx/speed.c index 8098c99..f6097f5 100644 --- a/cpu/mpc5xx/speed.c +++ b/cpu/mpc5xx/speed.c @@ -17,14 +17,14 @@ * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software - * Foundation, + * Foundation, */ /* * File: speed.c - * + * * Discription: Provides cpu speed calculation - * + * */ #include <common.h> @@ -49,8 +49,8 @@ int get_clocks (void) gd->cpu_clk = vcoout / (2^(((immr->im_clkrst.car_sccr & SCCR_DFNL_MSK) >> SCCR_DFNL_SHIFT) + 1)); } else { gd->cpu_clk = vcoout / (2^(immr->im_clkrst.car_sccr & SCCR_DFNH_MSK)); - } - + } + #else /* CONFIG_5xx_GCLK_FREQ */ gd->bus_clk = CONFIG_5xx_GCLK_FREQ; #endif /* CONFIG_5xx_GCLK_FREQ */ diff --git a/cpu/mpc5xx/start.S b/cpu/mpc5xx/start.S index 694de77..3b6d344 100644 --- a/cpu/mpc5xx/start.S +++ b/cpu/mpc5xx/start.S @@ -3,7 +3,7 @@ * Copyright (C) 1999 Magnus Damm <kieraypc01.p.y.kie.era.ericsson.se> * Copyright (C) 2000, 2001, 2002 Wolfgang Denk <wd@denx.de> * Copyright (C) 2003 Martin Winistoerfer, martinwinistoerfer@gmx.ch. - * + * * See file CREDITS for list of people who contributed to this * project. * @@ -25,7 +25,7 @@ /* * File: start.S - * + * * Discription: startup code * */ @@ -39,9 +39,9 @@ #include <ppc_asm.tmpl> #include <ppc_defs.h> - + #include <linux/config.h> -#include <asm/processor.h> +#include <asm/processor.h> #ifndef CONFIG_IDENT_STRING #define CONFIG_IDENT_STRING "" @@ -88,7 +88,7 @@ version_string: _start: mfspr r3, 638 li r4, CFG_ISB /* Set ISB bit */ - or r3, r3, r4 + or r3, r3, r4 mtspr 638, r3 li r21, BOOTFLAG_COLD /* Normal Power-On: Boot from FLASH */ b boot_cold @@ -131,7 +131,7 @@ in_flash: /* Initialize some SPRs that are hard to access from C */ /*----------------------------------------------------------------------*/ - + lis r3, CFG_IMMR@h /* Pass IMMR as arg1 to C routine */ lis r2, CFG_INIT_SP_ADDR@h ori r1, r2, CFG_INIT_SP_ADDR@l /* Set up the stack in internal SRAM */ @@ -169,7 +169,6 @@ in_flash: bl board_init_f /* run 1st part of board init code (from Flash) */ - .globl _start_of_vectors _start_of_vectors: @@ -389,7 +388,7 @@ int_return: SYNC rfi - + /* * unsigned int get_immr (unsigned int mask) * @@ -476,7 +475,7 @@ relocate_code: stwu r0,-4(r7) bdnz 3b -4: sync +4: sync isync /* @@ -493,8 +492,8 @@ in_ram: /* * Relocation Function, r14 point to got2+0x8000 * - * Adjust got2 pointers, no need to check for 0, this code - * already puts a few entries in the table. + * Adjust got2 pointers, no need to check for 0, this code + * already puts a few entries in the table. */ li r0,__got2_entries@sectoff@l la r3,GOT(_GOT2_TABLE_) @@ -508,7 +507,7 @@ in_ram: bdnz 1b /* - * Now adjust the fixups and the pointers to the fixups + * Now adjust the fixups and the pointers to the fixups * in case we need to move ourselves again. */ 2: li r0,__fixup_entries@sectoff@l |