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authorMarcin Bukat <marcin.bukat@gmail.com>2012-02-28 15:51:36 +0100
committerMarcin Bukat <marcin.bukat@gmail.com>2012-03-04 00:35:48 +0100
commit0263fe37e4a0f7db5e647c171afafda9783fc97b (patch)
tree1c7fc8275bc38ba71af3c555bdfdcee233163c6f /bootloader
parent587f52f50e24be1b1efcadff06168f3570487f4e (diff)
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rk27xx: Implement dualboot capable bootloader
Change-Id: I399e10635f611bdf6f7c1bd5843fa132dc88bfb4
Diffstat (limited to 'bootloader')
-rw-r--r--bootloader/rk27xx.c252
1 files changed, 89 insertions, 163 deletions
diff --git a/bootloader/rk27xx.c b/bootloader/rk27xx.c
index b74526fe90..c1c8110831 100644
--- a/bootloader/rk27xx.c
+++ b/bootloader/rk27xx.c
@@ -1,184 +1,110 @@
-#include "config.h"
-#include <stdlib.h>
#include <stdio.h>
-#include <string.h>
-#include "inttypes.h"
-#include "string.h"
-#include "cpu.h"
-#include "system.h"
+#include <system.h>
+#include <inttypes.h>
+#include "config.h"
+#include "gcc_extensions.h"
#include "lcd.h"
-#include "kernel.h"
-#include "thread.h"
-#include "backlight.h"
-#include "backlight-target.h"
#include "font.h"
+#include "backlight.h"
+#include "adc.h"
+#include "button-target.h"
+#include "button.h"
#include "common.h"
-#include "version.h"
-
-// 441 Hz samples table, 44100 Hz and 441 Hz -> 100 samples
-const int16_t samples[] = {
- 0, 2057, 4106, 6139, 8148, 10125, 12062, 13951, 15785, 17557,
- 19259, 20886, 22430, 23886, 25247, 26509, 27666, 28713, 29648, 30465,
- 31163, 31737, 32186, 32508, 32702, 32767, 32702, 32508, 32186, 31737,
- 31163, 30465, 29648, 28713, 27666, 26509, 25247, 23886, 22430, 20886,
- 19259, 17557, 15785, 13951, 12062, 10125, 8148, 6139, 4106, 2057,
- 0, -2057, -4106, -6139, -8148, -10125, -12062, -13951, -15785, -17557,
- -19259, -20886, -22430, -23886, -25247, -26509, -27666, -28713, -29648, -30465,
- -31163, -31737, -32186, -32508, -32702, -32767, -32702, -32508, -32186, -31737,
- -31163, -30465, -29648, -28713, -27666, -26509, -25247, -23886, -22430, -20886,
- -19259, -17557, -15785, -13951, -12062, -10125, -8148, -6139, -4106, -2057 };
-
-extern void show_logo( void );
+#include "storage.h"
+#include "disk.h"
+#include "panic.h"
+#include "power.h"
+#include "string.h"
+#include "file.h"
+#include "crc32-rkw.h"
+#include "rkw.h"
-void INT_HDMA(void)
-{
-#if 0
-// static uint32_t i;
-// printf("hdma int: %d", i++);
-
- HDMA_ISRC0 = (uint32_t)&samples;
- HDMA_IDST0 = (uint32_t)&I2S_TXR;
- HDMA_ICNT0 = (sizeof(samples)/4) - 1;
- HDMA_CON0 = (1<<22)| // slice mode
- (1<<21)| // channel enable
- (1<<18)| // interrupt mode
- (5<<13)| // transfer mode inc8
- (6<<9) | // hdreq from i2s tx
- (0<<7) | // source address increment
- (1<<5) | // destination address fixed
- (2<<3) | // data size word
- (1<<0); // enable hardware triggered dma
-
- HDMA_ISR = (1<<13) | // mask ch1 page overflow
- (1<<11) | // mask ch1 page count down
- (1<<9); // mask ch1 interrupts
-#endif
-return;
-}
+#define DRAM_ORIG 0x60000000
+#define LOAD_SIZE 0x700000
-static int codec_write(uint8_t reg, uint8_t data)
-{
- uint8_t tmp = data;
- return i2c_write(0x27<<1, reg<<1, 1, &tmp);
-}
+extern void show_logo( void );
+void main(void) NORETURN_ATTR;
void main(void)
{
- int i;
-
- _backlight_init();
+ char filename[MAX_PATH];
+ unsigned char* loadbuffer;
+ void(*kernel_entry)(void);
+ int ret;
+ enum {rb, of} boot = rb;
+ power_init();
system_init();
kernel_init();
enable_irq();
- lcd_init_device();
- _backlight_on();
+ adc_init();
+ lcd_init();
+ backlight_init();
+ button_init_device();
+
font_init();
lcd_setfont(FONT_SYSFIXED);
show_logo();
- sleep(HZ*2);
-
-printf("show logo passed");
- // I2S init
- SCU_CLKCFG &= ~((1<<17) | (1<<16)); // enable i2s, i2c pclk
-//SCU_CLKCFG |= ((1<<17) | (1<<16));
- I2S_OPR = (1<<17) | // reset Tx
- (1<<16) | // reset Rx
- (1<<6) | // disable HDMA Req1
- (1<<5); // disable HDMA Req2
-
- I2S_TXCTL = (1<<16) | // LRCK/SCLK = 64
- (4<<8) | // MCLK/SCK = 4
- (1<<4) | // 16bit samples
- (0<<3) | // stereo mode
- (0<<1); // I2S
-
- I2S_RXCTL = (1<<16) | // LRCK/SCLK = 64
- (4<<8) | // MCLK/SCK = 4
- (1<<4) | // 16bit samples
- (0<<3) | // stereo mode
- (0<<1); // I2S
-
- I2S_FIFOSTS = (1<<18) | // Tx int trigger half full
- (1<<16); // Rx int trigger half full
-
- // I2S start
- I2S_OPR = (1<<17) | (1<<16);
- sleep(HZ/100);
-
- I2S_OPR = (0<<6) | // req channel 1 enable
- (1<<5) | // req channel 2 disable
- (0<<4) | // HDMA req channel 1 Tx
- (0<<2) | // normal I2S operation (no loopback)
- (1<<1); // Tx start
-
-printf("I2S config passed");
-
- HDMA_ISRC0 = (uint32_t)&samples;
- HDMA_IDST0 = (uint32_t)&I2S_TXR;
- HDMA_ICNT0 = (sizeof(samples)/4) - 1;
- HDMA_ISCNT0 = 7;
- HDMA_IPNCNTD0 = 1;
- HDMA_CON0 = (1<<22)| // slice mode
- (1<<21)| // channel enable
- (1<<18)| // interrupt mode
- (5<<13)| // transfer mode inc8
- (6<<9) | // hdreq from i2s tx
- (0<<7) | // source address increment
- (1<<5) | // destination address fixed
- (2<<3) | // data size word
- (1<<0); // enable hardware triggered dma
-
- HDMA_ISR = (1<<13) | // mask ch1 page overflow
- (1<<11) | // mask ch1 page count down
- (1<<9); // mask ch1 interrupts
-
- INTC_IMR |= (1<<12);
- INTC_IECR |= (1<<12);
-
-printf("HDMA config passed");
-
- i2c_init();
-
-printf("I2C config passed");
-
- // codec init
- codec_write(0x00, (1<<3)|(1<<2)|(1<<1)|(1<<0)); // AICR
- codec_write(0x01, (1<<7)|(1<<5)|(1<<3)); // CR1
- codec_write(0x02, (1<<2)); // CR2
- codec_write(0x03, 0); // CCR1
- codec_write(0x04, (2<<4)|(2<<0)); // CCR2
- codec_write(0x07, (3<<5)|(3<<0)); // CCR
-
-
- codec_write(0x0f, 0x1f|(2<<6)); // CGR6
- codec_write(0x14, (1<<1)); // TR1
- codec_write(0x05, (1<<6)|(1<<5)|(1<<4)|(1<<3)|(1<<2)|(1<<1)|(1<<0)); // PMR1
- sleep(HZ/100);
-
- codec_write(0x06, (1<<3)|(1<<2)|(1<<0)); // PMR2
-
-
- codec_write(0x05, (1<<6)|(1<<4)|(1<<3)|(1<<2)|(1<<1)|(1<<0)); // PMR1
- codec_write(0x05, (1<<4)|(1<<3)|(1<<2)|(1<<1)|(1<<0)); // PMR1
-
-
- // DACout mode
- codec_write(0x01, (1<<7)|(1<<3)|(1<<5)|(1<<4)); // CR1
- codec_write(0x05, (1<<4)|(1<<3)|(1<<2)|(1<<1)|(1<<0)); //PMR1
-// codec_write(0x06, (1<<3)|(1<<2)); // PMR2
-
-printf("codec init passed");
-
- codec_write(0x01, (1<<7)|(1<<3)); // CR1
-
- codec_write(0x0a, 0); // 0dB digital gain
- codec_write(0x11, 15|(2<<6)); //
-
- while(1)
+
+ int btn = button_read_device();
+
+ /* if there is some other button pressed
+ * besides POWER/PLAY we boot into OF
+ */
+ if ((btn & ~POWEROFF_BUTTON))
+ boot = of;
+
+ /* if we are woken up by USB insert boot into OF */
+ if (DEV_INFO & (1<<20))
+ boot = of;
+
+ lcd_clear_display();
+
+ ret = storage_init();
+ if(ret < 0)
+ error(EATA, ret, true);
+
+ while(!disk_init(IF_MV(0)))
+ panicf("disk_init failed!");
+
+ while((ret = disk_mount_all()) <= 0)
+ error(EDISK, ret, true);
+
+ loadbuffer = (unsigned char*)DRAM_ORIG; /* DRAM */
+
+ if (boot == rb)
+ snprintf(filename,sizeof(filename), BOOTDIR "/%s", BOOTFILE);
+ else if (boot == of)
+ snprintf(filename,sizeof(filename), BOOTDIR "/%s", "BASE.RKW");
+
+ printf("Loading: %s", filename);
+
+ ret = load_rkw(loadbuffer, filename, LOAD_SIZE);
+ if (ret < 0)
+ {
+ printf(rkw_strerror(ret));
+ lcd_update();
+ sleep(5*HZ);
+ power_off();
+ }
+ else
{
- printf("HDMA_CCNT0: 0x%0x FIFOSTS: 0x%0x", HDMA_CCNT0, I2S_FIFOSTS);
+ printf(rkw_strerror(0));
+ sleep(HZ);
}
+
+ kernel_entry = (void*) loadbuffer;
+ commit_discard_idcache();
+
+ printf("Executing");
+ kernel_entry();
+
+ printf("ERR: Failed to boot");
+ sleep(5*HZ);
+ power_off();
+
+ /* hang */
+ while(1);
}