diff options
Diffstat (limited to 'cpu')
-rw-r--r-- | cpu/arm1136/mx31/interrupts.c | 24 | ||||
-rw-r--r-- | cpu/arm920t/at91rm9200/i2c.c | 10 | ||||
-rw-r--r-- | cpu/arm920t/imx/interrupts.c | 2 | ||||
-rw-r--r-- | cpu/arm920t/imx/serial.c | 56 | ||||
-rw-r--r-- | cpu/arm920t/start.S | 6 | ||||
-rw-r--r-- | cpu/arm926ejs/davinci/dp83848.c | 27 | ||||
-rw-r--r-- | cpu/mpc5xx/u-boot.lds | 2 | ||||
-rw-r--r-- | cpu/mpc5xxx/u-boot-customlayout.lds | 2 | ||||
-rw-r--r-- | cpu/mpc8xx/cpu_init.c | 2 | ||||
-rw-r--r-- | cpu/ppc4xx/sdram.c | 14 | ||||
-rw-r--r-- | cpu/pxa/mmc.c | 4 |
11 files changed, 98 insertions, 51 deletions
diff --git a/cpu/arm1136/mx31/interrupts.c b/cpu/arm1136/mx31/interrupts.c index 21b77a5..6e08c71 100644 --- a/cpu/arm1136/mx31/interrupts.c +++ b/cpu/arm1136/mx31/interrupts.c @@ -38,6 +38,9 @@ #define GPTCR_CLKSOURCE_32 (4<<6) /* Clock source */ #define GPTCR_TEN (1) /* Timer enable */ +static ulong timestamp; +static ulong lastinc; + /* nothing really to do with interrupts, just starts up a counter. */ int interrupt_init (void) { @@ -54,14 +57,27 @@ int interrupt_init (void) void reset_timer_masked (void) { - GPTCR = 0; - GPTCR = GPTCR_CLKSOURCE_32 | GPTCR_TEN; /* Freerun Mode, PERCLK1 input */ + /* reset time */ + lastinc = GPTCNT; /* capture current incrementer value time */ + timestamp = 0; /* start "advancing" time stamp from 0 */ +} + +void reset_timer(void) +{ + reset_timer_masked(); } ulong get_timer_masked (void) { - ulong val = GPTCNT; - return val; + ulong now = GPTCNT; /* current tick value */ + + if (now >= lastinc) /* normal mode (non roll) */ + /* move stamp forward with absolut diff ticks */ + timestamp += (now - lastinc); + else /* we have rollover of incrementer */ + timestamp += (0xFFFFFFFF - lastinc) + now; + lastinc = now; + return timestamp; } ulong get_timer (ulong base) diff --git a/cpu/arm920t/at91rm9200/i2c.c b/cpu/arm920t/at91rm9200/i2c.c index 826cea8..90f95df 100644 --- a/cpu/arm920t/at91rm9200/i2c.c +++ b/cpu/arm920t/at91rm9200/i2c.c @@ -203,4 +203,14 @@ void i2c_reg_write(uchar i2c_addr, uchar reg, uchar val) i2c_write(i2c_addr, reg, 1, &val, 1); } +int i2c_set_bus_speed(unsigned int speed) +{ + return -1; +} + +unsigned int i2c_get_bus_speed(void) +{ + return CFG_I2C_SPEED; +} + #endif /* CONFIG_HARD_I2C */ diff --git a/cpu/arm920t/imx/interrupts.c b/cpu/arm920t/imx/interrupts.c index 03ce06d..c61d3bc 100644 --- a/cpu/arm920t/imx/interrupts.c +++ b/cpu/arm920t/imx/interrupts.c @@ -60,7 +60,7 @@ void reset_timer (void) ulong get_timer (ulong base) { - return get_timer_masked (); + return get_timer_masked() - base; } void set_timer (ulong t) diff --git a/cpu/arm920t/imx/serial.c b/cpu/arm920t/imx/serial.c index 6c56acb..85f1167 100644 --- a/cpu/arm920t/imx/serial.c +++ b/cpu/arm920t/imx/serial.c @@ -52,6 +52,8 @@ struct imx_serial { volatile uint32_t uts; }; +DECLARE_GLOBAL_DATA_PTR; + void serial_setbrg (void) { serial_init(); @@ -67,6 +69,9 @@ extern void imx_gpio_mode(int gpio_mode); int serial_init (void) { volatile struct imx_serial* base = (struct imx_serial *)UART_BASE; + unsigned int ufcr_rfdiv; + unsigned int refclk; + #ifdef CONFIG_IMX_SERIAL1 imx_gpio_mode(PC11_PF_UART1_TXD); imx_gpio_mode(PC12_PF_UART1_RXD); @@ -95,11 +100,33 @@ int serial_init (void) /* Configure FIFOs */ base->ufcr = 0xa81; + /* set the baud rate. + * + * baud * 16 x + * --------- = - + * refclk y + * + * x - 1 = UBIR + * y - 1 = UBMR + * + * each register is 16 bits wide. refclk max is 96 MHz + * + */ + + ufcr_rfdiv = ((base->ufcr) & UFCR_RFDIV) >> 7; + if (ufcr_rfdiv == 6) + ufcr_rfdiv = 7; + else + ufcr_rfdiv = 6 - ufcr_rfdiv; + + refclk = get_PERCLK1(); + refclk /= ufcr_rfdiv; + /* Set the numerator value minus one of the BRM ratio */ - base->ubir = (CONFIG_BAUDRATE / 100) - 1; + base->ubir = (gd->baudrate / 100) - 1; /* Set the denominator value minus one of the BRM ratio */ - base->ubmr = 10000 - 1; + base->ubmr = (refclk/(16 * 100)) - 1; /* Set to 8N1 */ base->ucr2 &= ~UCR2_PREN; @@ -117,22 +144,21 @@ int serial_init (void) /* Clear status flags */ base->usr2 |= USR2_ADET | - USR2_DTRF | - USR2_IDLE | - USR2_IRINT | - USR2_WAKE | - USR2_RTSF | - USR2_BRCD | - USR2_ORE | - USR2_RDR; + USR2_DTRF | + USR2_IDLE | + USR2_IRINT | + USR2_WAKE | + USR2_RTSF | + USR2_BRCD | + USR2_ORE; /* Clear status flags */ base->usr1 |= USR1_PARITYERR | - USR1_RTSD | - USR1_ESCF | - USR1_FRAMERR | - USR1_AIRINT | - USR1_AWAKE; + USR1_RTSD | + USR1_ESCF | + USR1_FRAMERR | + USR1_AIRINT | + USR1_AWAKE; return (0); } diff --git a/cpu/arm920t/start.S b/cpu/arm920t/start.S index 62231f8..5d0fec6 100644 --- a/cpu/arm920t/start.S +++ b/cpu/arm920t/start.S @@ -315,7 +315,8 @@ cpu_init_crit: sub sp, sp, #S_FRAME_SIZE stmia sp, {r0 - r12} @ Calling r0-r12 ldr r2, _armboot_start - sub r2, r2, #(CONFIG_STACKSIZE+CFG_MALLOC_LEN) + sub r2, r2, #(CONFIG_STACKSIZE) + sub r2, r2, #(CFG_MALLOC_LEN) sub r2, r2, #(CFG_GBL_DATA_SIZE+8) @ set base 2 words into abort stack ldmia r2, {r2 - r3} @ get pc, cpsr add r0, sp, #S_FRAME_SIZE @ restore sp_SVC @@ -348,7 +349,8 @@ cpu_init_crit: .macro get_bad_stack ldr r13, _armboot_start @ setup our mode stack - sub r13, r13, #(CONFIG_STACKSIZE+CFG_MALLOC_LEN) + sub r13, r13, #(CONFIG_STACKSIZE) + sub r13, r13, #(CFG_MALLOC_LEN) sub r13, r13, #(CFG_GBL_DATA_SIZE+8) @ reserved a couple spots in abort stack str lr, [r13] @ save caller lr / spsr diff --git a/cpu/arm926ejs/davinci/dp83848.c b/cpu/arm926ejs/davinci/dp83848.c index 59f039b..c71c685 100644 --- a/cpu/arm926ejs/davinci/dp83848.c +++ b/cpu/arm926ejs/davinci/dp83848.c @@ -64,29 +64,16 @@ int dp83848_get_link_speed(int phy_addr) return(0); /* Speed doesn't matter, there is no setting for it in EMAC... */ - if (tmp & DP83848_SPEED) { - if (tmp & DP83848_DUPLEX) { - /* set DM644x EMAC for Full Duplex */ - emac->MACCONTROL = EMAC_MACCONTROL_MIIEN_ENABLE | EMAC_MACCONTROL_FULLDUPLEX_ENABLE; - } else { - /*set DM644x EMAC for Half Duplex */ - emac->MACCONTROL = EMAC_MACCONTROL_MIIEN_ENABLE; - } - - return(1); + if (tmp & DP83848_DUPLEX) { + /* set DM644x EMAC for Full Duplex */ + emac->MACCONTROL = EMAC_MACCONTROL_MIIEN_ENABLE | + EMAC_MACCONTROL_FULLDUPLEX_ENABLE; } else { - if (tmp & DP83848_DUPLEX) { - /* set DM644x EMAC for Full Duplex */ - emac->MACCONTROL = EMAC_MACCONTROL_MIIEN_ENABLE | EMAC_MACCONTROL_FULLDUPLEX_ENABLE; - } else { - /*set DM644x EMAC for Half Duplex */ - emac->MACCONTROL = EMAC_MACCONTROL_MIIEN_ENABLE; - } - - return(1); + /*set DM644x EMAC for Half Duplex */ + emac->MACCONTROL = EMAC_MACCONTROL_MIIEN_ENABLE; } - return(0); + return(1); } diff --git a/cpu/mpc5xx/u-boot.lds b/cpu/mpc5xx/u-boot.lds index 7434e3f..c83f155 100644 --- a/cpu/mpc5xx/u-boot.lds +++ b/cpu/mpc5xx/u-boot.lds @@ -133,7 +133,7 @@ SECTIONS /* . = env_start; .ppcenv : { - common/environment.o (.ppcenv) + common/env_embedded.o (.ppcenv) } */ } diff --git a/cpu/mpc5xxx/u-boot-customlayout.lds b/cpu/mpc5xxx/u-boot-customlayout.lds index 3847860..df8eb7e 100644 --- a/cpu/mpc5xxx/u-boot-customlayout.lds +++ b/cpu/mpc5xxx/u-boot-customlayout.lds @@ -62,7 +62,7 @@ SECTIONS lib_ppc/time.o (.text) . = DEFINED(env_offset) ? env_offset : .; - common/environment.o (.ppcenv) + common/env_embedded.o (.ppcenv) *(.text) *(.fixup) diff --git a/cpu/mpc8xx/cpu_init.c b/cpu/mpc8xx/cpu_init.c index fb3414a..5c43eca 100644 --- a/cpu/mpc8xx/cpu_init.c +++ b/cpu/mpc8xx/cpu_init.c @@ -245,7 +245,7 @@ void cpu_init_f (volatile immap_t * immr) rpxclassic_init (); #endif -#if defined(CONFIG_RPXLITE) && defined(CFG_ENV_IS_IN_NVRAM) +#if defined(CONFIG_RPXLITE) && defined(CONFIG_ENV_IS_IN_NVRAM) rpxlite_init (); #endif diff --git a/cpu/ppc4xx/sdram.c b/cpu/ppc4xx/sdram.c index 7d60ad6..b5a6a4c 100644 --- a/cpu/ppc4xx/sdram.c +++ b/cpu/ppc4xx/sdram.c @@ -209,15 +209,15 @@ phys_size_t initdram(int board_type) udelay(10000); if (get_ram_size(0, mb0cf[i].size) == mb0cf[i].size) { + phys_size_t size = mb0cf[i].size; + /* * OK, size detected. Enable second bank if * defined (assumes same type as bank 0) */ #ifdef CONFIG_SDRAM_BANK1 - u32 b1cr = mb0cf[i].size | mb0cf[i].reg; - mtsdram(mem_mcopt1, 0x00000000); - mtsdram(mem_mb1cf, b1cr); /* SDRAM0_B1CR */ + mtsdram(mem_mb1cf, mb0cf[i].size | mb0cf[i].reg); mtsdram(mem_mcopt1, 0x80800000); udelay(10000); @@ -230,13 +230,19 @@ phys_size_t initdram(int board_type) mb0cf[i].size) { mtsdram(mem_mb1cf, 0); mtsdram(mem_mcopt1, 0); + } else { + /* + * We have two identical banks, so the size + * is twice the bank size + */ + size = 2 * size; } #endif /* * OK, size detected -> all done */ - return mb0cf[i].size; + return size; } } diff --git a/cpu/pxa/mmc.c b/cpu/pxa/mmc.c index 121dcbe..1cfede7 100644 --- a/cpu/pxa/mmc.c +++ b/cpu/pxa/mmc.c @@ -575,8 +575,8 @@ mmc_init(int verbose) break; } - /* Select 3.2-3.3 and 3.3-3.4V */ - resp = mmc_cmd(SD_CMD_APP_SEND_OP_COND, 0x0020, 0, + /* Select 3.2-3.3V and 3.3-3.4V */ + resp = mmc_cmd(SD_CMD_APP_SEND_OP_COND, 0x0030, 0x0000, MMC_CMDAT_R3 | (retries < 2 ? 0 : MMC_CMDAT_INIT)); if (resp[0] & 0x80000000) { |