Fix up small error in main osc startup delay and replace more custom defines with...
authord18c7db <d18c7db@ef4ab9da-24cd-11de-8aaa-f3a34680c41f>
Thu, 4 Mar 2010 08:15:59 +0000 (08:15 +0000)
committerd18c7db <d18c7db@ef4ab9da-24cd-11de-8aaa-f3a34680c41f>
Thu, 4 Mar 2010 08:15:59 +0000 (08:15 +0000)
armsrc/legicrf.c
armsrc/lfops.c
bootrom/bootrom.c
include/at91sam7s512.h
include/proxmark3.h

index c785542d7f32aeb44ffd4a4568fcc32382a0d5cb..313ac3c95c0bb4aac6d5e3564cafe4ef221345b4 100644 (file)
@@ -34,7 +34,7 @@ static void setup_timer(void)
        AT91C_BASE_PMC->PMC_PCER = (1 << AT91C_ID_TC1);
        timer = AT91C_BASE_TC1;
        timer->TC_CCR = AT91C_TC_CLKDIS;
-       timer->TC_CMR = TC_CMR_TCCLKS_TIMER_CLOCK3;
+       timer->TC_CMR = AT91C_TC_CLKS_TIMER_DIV3_CLOCK;
        timer->TC_CCR = AT91C_TC_CLKEN | AT91C_TC_SWTRG;
 
 /* At TIMER_CLOCK3 (MCK/32) */
index 7127bfdce407a4f9170dc95b78a0988dca6f80f5..21e068c16ab92e80901cbb3b13f3129c14636f30 100644 (file)
@@ -543,7 +543,7 @@ void SimulateTagLowFrequencyBidir(int divisor, int t0)
        AT91C_BASE_PMC->PMC_PCER = (1 << AT91C_ID_TC1);
        AT91C_BASE_PIOA->PIO_BSR = GPIO_SSC_FRAME;
        AT91C_BASE_TC1->TC_CCR = AT91C_TC_CLKDIS;
-       AT91C_BASE_TC1->TC_CMR =        TC_CMR_TCCLKS_TIMER_CLOCK1 |
+       AT91C_BASE_TC1->TC_CMR =        AT91C_TC_CLKS_TIMER_DIV1_CLOCK |
                                                                AT91C_TC_ETRGEDG_RISING |
                                                                AT91C_TC_ABETRG |
                                                                AT91C_TC_LDRA_RISING |
index 05f8c8e50742f8e56944d69d2e001dd0ab4c9cc9..6b0ff532800be0129b364d9413c22f3fdf84001b 100644 (file)
@@ -29,21 +29,22 @@ static void ConfigClocks(void)
                (1<<AT91C_ID_PWMC)      |
                (1<<AT91C_ID_UDP);
 
-       // worst case scenario, with 16Mhz xtal startup delay is 14.5ms
-       // with a slow clock running at it worst case (max) frequency of 42khz
-       // max startup delay = (14.5ms*42k)/8 = 76 = 0x4C round up to 0x50
+       // worst case scenario, with MAINCK = 16Mhz xtal, startup delay is 1.4ms
+       // if SLCK slow clock runs at its worst case (max) frequency of 42khz
+       // max startup delay = (1.4ms*42k)/8 = 7.356 so round up to 8
 
        // enable main oscillator and set startup delay
     AT91C_BASE_PMC->PMC_MOR =
-       PMC_MAIN_OSC_ENABLE |
-        PMC_MAIN_OSC_STARTUP_DELAY(0x50);
+        AT91C_CKGR_MOSCEN |
+        PMC_MAIN_OSC_STARTUP_DELAY(8);
 
        // wait for main oscillator to stabilize
-       while ( !(AT91C_BASE_PMC->PMC_SR & PMC_MAIN_OSC_STABILIZED) )
+       while ( !(AT91C_BASE_PMC->PMC_SR & AT91C_PMC_MOSCS) )
                ;
 
-    // minimum PLL clock frequency is 80 MHz in range 00 (96 here so okay)
-    // frequency is crystal * multiplier / divisor = 16Mhz * 12 / 2 = 96Mhz
+    // PLL output clock frequency in range  80 - 160 MHz needs CKGR_PLL = 00
+    // PLL output clock frequency in range 150 - 180 MHz needs CKGR_PLL = 10
+    // PLL output is MAINCK * multiplier / divisor = 16Mhz * 12 / 2 = 96Mhz
     AT91C_BASE_PMC->PMC_PLLR =
        PMC_PLL_DIVISOR(2) |
                PMC_PLL_COUNT_BEFORE_LOCK(0x50) |
@@ -52,23 +53,23 @@ static void ConfigClocks(void)
                PMC_PLL_USB_DIVISOR(1);
 
        // wait for PLL to lock
-       while ( !(AT91C_BASE_PMC->PMC_SR & PMC_MAIN_OSC_PLL_LOCK) )
+       while ( !(AT91C_BASE_PMC->PMC_SR & AT91C_PMC_LOCK) )
                ;
 
        // we want a master clock (MCK) to be PLL clock / 2 = 96Mhz / 2 = 48Mhz
-       // as per datasheet, this register must be programmed in two operations
+       // datasheet recommends that this register is programmed in two operations
        // when changing to PLL, program the prescaler first then the source
-    AT91C_BASE_PMC->PMC_MCKR = PMC_CLK_PRESCALE_DIV_2;
+    AT91C_BASE_PMC->PMC_MCKR = AT91C_PMC_PRES_CLK_2;
 
        // wait for main clock ready signal
-       while ( !(AT91C_BASE_PMC->PMC_SR & PMC_MAIN_OSC_MCK_READY) )
+       while ( !(AT91C_BASE_PMC->PMC_SR & AT91C_PMC_MCKRDY) )
                ;
 
        // set the source to PLL
-    AT91C_BASE_PMC->PMC_MCKR = AT91C_PMC_CSS_PLL_CLK | PMC_CLK_PRESCALE_DIV_2;
+    AT91C_BASE_PMC->PMC_MCKR = AT91C_PMC_PRES_CLK_2 | AT91C_PMC_CSS_PLL_CLK;
 
        // wait for main clock ready signal
-       while ( !(AT91C_BASE_PMC->PMC_SR & PMC_MAIN_OSC_MCK_READY) )
+       while ( !(AT91C_BASE_PMC->PMC_SR & AT91C_PMC_MCKRDY) )
                ;
 }
 
@@ -128,9 +129,9 @@ void UsbPacketReceived(uint8_t *packet, int len)
 
             uint32_t sr;
 
-            while(!((sr = AT91C_BASE_EFC0->EFC_FSR) & MC_FLASH_STATUS_READY))
+            while(!((sr = AT91C_BASE_EFC0->EFC_FSR) & AT91C_MC_FRDY))
                 ;
-            if(sr & (MC_FLASH_STATUS_LOCKE | MC_FLASH_STATUS_PROGE)) {
+            if(sr & (AT91C_MC_LOCKE | AT91C_MC_PROGE)) {
                    dont_ack = 1;
                     c->cmd = CMD_NACK;
                     UsbSendPacket(packet, len);
@@ -257,7 +258,7 @@ void BootROM(void)
     LED_A_OFF();
 
        AT91C_BASE_EFC0->EFC_FMR =
-               MC_FLASH_MODE_FLASH_WAIT_STATES(1) |
+               AT91C_MC_FWS_1FWS |
                MC_FLASH_MODE_MASTER_CLK_IN_MHZ(48);
 
     // Initialize all system clocks
index 7363dd8f5b1c054b96b648d2c4d93883b1b38910..5be13622336448edb7bea32d11239d1f7d8efdb6 100644 (file)
@@ -1415,7 +1415,7 @@ typedef struct _AT91S_TC {
 #define AT91C_TC_CLKS_TIMER_DIV1_CLOCK       (0x0) // (TC) Clock selected: TIMER_DIV1_CLOCK
 #define AT91C_TC_CLKS_TIMER_DIV2_CLOCK       (0x1) // (TC) Clock selected: TIMER_DIV2_CLOCK
 #define AT91C_TC_CLKS_TIMER_DIV3_CLOCK       (0x2) // (TC) Clock selected: TIMER_DIV3_CLOCK
-#define T91C_TC_CLKS_TIMER_DIV4_CLOCK        (0x3) // (TC) Clock selected: TIMER_DIV4_CLOCK
+#define AT91C_TC_CLKS_TIMER_DIV4_CLOCK       (0x3) // (TC) Clock selected: TIMER_DIV4_CLOCK
 #define AT91C_TC_CLKS_TIMER_DIV5_CLOCK       (0x4) // (TC) Clock selected: TIMER_DIV5_CLOCK
 #define AT91C_TC_CLKS_XC0                    (0x5) // (TC) Clock selected: XC0
 #define AT91C_TC_CLKS_XC1                    (0x6) // (TC) Clock selected: XC1
index b952a17479a4abf8d795b532665aa9cc392a4a93..a2bad2c516d5d4ed44f52c910befd892d21896ac 100644 (file)
 #define PWM_CH_MODE_PRESCALER(x)                               ((x)<<0)
 #define PWM_CHANNEL(x)                                                 (1<<(x))
 
-#define TC_CMR_TCCLKS_TIMER_CLOCK1                             (0<<0)
-#define TC_CMR_TCCLKS_TIMER_CLOCK2                             (1<<0)
-#define TC_CMR_TCCLKS_TIMER_CLOCK3                             (2<<0)
-#define TC_CMR_TCCLKS_TIMER_CLOCK4                             (3<<0)
-#define TC_CMR_TCCLKS_TIMER_CLOCK5                             (4<<0)
-
 #define ADC_CHAN_LF                                                            4
 #define ADC_CHAN_HF                                                            5
 #define ADC_MODE_PRESCALE(x)                                   ((x)<<8)
 #define SSC_FRAME_MODE_BITS_IN_WORD(x)                 (((x)-1)<<0)
 
 #define MC_FLASH_COMMAND_KEY                                   ((0x5a)<<24)
-#define MC_FLASH_STATUS_READY                                  (1<<0)
-#define MC_FLASH_STATUS_LOCKE                                  (1<<2)
-#define MC_FLASH_STATUS_PROGE                                  (1<<3)
 #define MC_FLASH_MODE_FLASH_WAIT_STATES(x)             ((x)<<8)
 #define MC_FLASH_MODE_MASTER_CLK_IN_MHZ(x)             (((x)+((x)/2))<<16)
 #define MC_FLASH_COMMAND_PAGEN(x)                              ((x)<<8)
 
 #define RST_CONTROL_KEY                                                        (0xa5<<24)
 
-#define PMC_MAIN_OSC_ENABLE                                            (1<<0)
-#define PMC_MAIN_OSC_STABILIZED                                        (1<<0)
-#define PMC_MAIN_OSC_PLL_LOCK                                  (1<<2)
-#define PMC_MAIN_OSC_MCK_READY                                 (1<<3)
-
 #define PMC_MAIN_OSC_STARTUP_DELAY(x)                  ((x)<<8)
 #define PMC_PLL_DIVISOR(x)                                             (x)
-#define PMC_CLK_PRESCALE_DIV_2                                 (1<<2)
 #define PMC_PLL_MULTIPLIER(x)                                  (((x)-1)<<16)
 #define PMC_PLL_COUNT_BEFORE_LOCK(x)                   ((x)<<8)
 #define PMC_PLL_FREQUENCY_RANGE(x)                             ((x)<<14)
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