2010-03-09 23:23:40 +00:00
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#include <mc1322x.h>
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2010-02-26 17:37:13 +00:00
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#include <types.h>
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2010-02-26 12:30:53 +00:00
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2010-02-24 23:47:53 +00:00
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void default_vreg_init(void) {
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volatile uint32_t i;
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2010-02-26 12:30:53 +00:00
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*CRM_SYS_CNTL = 0x00000018; /* set default state */
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*CRM_VREG_CNTL = 0x00000f04; /* bypass the buck */
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2010-02-24 23:47:53 +00:00
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for(i=0; i<0x161a8; i++) { continue; } /* wait for the bypass to take */
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// while((((*(volatile uint32_t *)(0x80003018))>>17) & 1) !=1) { continue; } /* wait for the bypass to take */
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2010-02-26 12:30:53 +00:00
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*CRM_VREG_CNTL = 0x00000ff8; /* start the regulators */
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2010-02-24 23:47:53 +00:00
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}
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2010-03-09 23:23:40 +00:00
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void uart1_init(uint16_t inc, uint16_t mod, uint8_t samp) {
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/* UART must be disabled to set the baudrate */
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*UART1_UCON = 0;
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*UART1_UBRCNT = ( inc << 16 ) | mod;
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/* see Section 11.5.1.2 Alternate Modes */
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/* you must enable the peripheral first BEFORE setting the function in GPIO_FUNC_SEL */
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/* From the datasheet: "The peripheral function will control operation of the pad IF */
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/* THE PERIPHERAL IS ENABLED. */
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*UART1_UCON = (1 << 0) | (1 << 1); /* enable receive, transmit */
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if(samp == UCON_SAMP_16X)
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set_bit(*UART1_UCON,UCON_SAMP);
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*GPIO_FUNC_SEL0 = ( (0x01 << (14*2)) | (0x01 << (15*2)) ); /* set GPIO15-14 to UART (UART1 TX and RX)*/
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/* interrupt when 28 bytes are free */
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*UART1_UTXCON = 28;
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u1_head = 0; u1_tail = 0;
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enable_irq(UART1);
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}
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