need a way to run board specific lowlevel inits
like for vreg. this is a start.
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@ -0,0 +1,9 @@
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/* has been tested and it good */
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void default_vreg_init(void) {
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volatile uint32_t i;
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*(volatile uint32_t *)(0x80003000) = 0x00000018; /* set default state */
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*(volatile uint32_t *)(0x80003048) = 0x00000f04; /* bypass the buck */
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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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*(volatile uint32_t *)(0x80003048) = 0x00000ff8; /* start the regulators */
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}
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@ -0,0 +1,6 @@
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#ifndef LOWLEVEL_H
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#define LOWLEVEL_H
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void default_vreg_init(void);
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#endif
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@ -1,6 +1,8 @@
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#ifndef BOARD_REDBEE_DEV_H
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#define BOARD_REDBEE_DEV_H
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#include <std_conf.h>
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#define LED_RED (1 << 23)
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#define LED_GREEN (1 << 24)
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#define LED_BLUE (1 << 25)
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@ -0,0 +1,8 @@
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#ifndef STDCONF_H
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#define STDCONF_H
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#ifndef vreg_init()
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#define vreg_init() default_vreg_init()
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#endif
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#endif
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@ -1,24 +1,13 @@
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#define GPIO_FUNC_SEL0 0x80000018 /* GPIO 15 - 0; 2 bit blocks */
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#include <mc1322x.h>
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#include <board.h>
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#include <uart1.h>
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#define BASE_UART1 0x80005000
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#define UART1_CON 0x80005000
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#define UART1_STAT 0x80005004
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#define UART1_DATA 0x80005008
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#define UR1CON 0x8000500c
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#define UT1CON 0x80005010
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#define UART1_CTS 0x80005014
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#define UART1_BR 0x80005018
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/* INC = 767; MOD = 9999 works: 115200 @ 24 MHz 16 bit sample */
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#define INC 767
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#define MOD 9999
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#define GPIO_PAD_DIR0 0x80000000
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#define GPIO_DATA0 0x80000008
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#include "embedded_types.h"
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#include "nvm.h"
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#include "maca.h"
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#define reg(x) (*(volatile uint32_t *)(x))
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#define DELAY 400000
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#define READ_ADDR 0x1F000
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#define NBYTES 1024
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void putc(uint8_t c);
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void puts(uint8_t *s);
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@ -29,18 +18,14 @@ void put_hex32(uint32_t x);
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const uint8_t hex[16]={'0','1','2','3','4','5','6','7',
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'8','9','a','b','c','d','e','f'};
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#include "isr.h"
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#define NBYTES 1024
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__attribute__ ((section ("startup")))
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void main(void) {
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nvmType_t type=0;
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nvmErr_t err;
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uint32_t buf[NBYTES/4];
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uint32_t i;
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*(volatile uint32_t *)GPIO_PAD_DIR0 = 0x00000100;
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/* Restore UART regs. to default */
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/* in case there is still bootloader state leftover */
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@ -76,7 +61,7 @@ void main(void) {
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nvm_setsvar(0);
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err = nvm_read(gNvmInternalInterface_c, type, (uint8_t *)buf, 0x1F000, NBYTES);
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err = nvm_read(gNvmInternalInterface_c, type, (uint8_t *)buf, READ_ADDR, NBYTES);
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puts("nvm_read returned: 0x");
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put_hex(err);
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puts("\n\r");
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