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imx233:fuze+: major memory and usb rework

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- now identity map dram uncached and have a cached and buffered virtual alias
- rework dma to handle virtual to physical pointers conversion
- fix lcd frame pointer
- implement usb detection properly
- implement bootloader usb properly
- allow the bootloader to disable MMC windowing (useful for recovery)

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30432 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Amaury Pouly 2011-09-05 11:29:32 +00:00
parent 11e1f71612
commit 7d4fed53cc
17 changed files with 353 additions and 104 deletions
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8
firmware/target/arm/imx233/system-imx233.c
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@ -57,6 +57,7 @@ default_interrupt(INT_I2C_ERROR);
default_interrupt(INT_GPIO0);
default_interrupt(INT_GPIO1);
default_interrupt(INT_GPIO2);
default_interrupt(INT_VDD5V);
typedef void (*isr_t)(void);
@ -78,6 +79,7 @@ static isr_t isr_table[INT_SRC_NR_SOURCES] =
[INT_SRC_GPIO0] = INT_GPIO0,
[INT_SRC_GPIO1] = INT_GPIO1,
[INT_SRC_GPIO2] = INT_GPIO2,
[INT_SRC_VDD5V] = INT_VDD5V,
};
static void UIRQ(void)
@ -147,10 +149,8 @@ static void set_page_tables(void)
map_section(0, 0, 0x1000, CACHE_NONE);
/* map RAM and enable caching for it */
map_section(DRAM_ORIG, DRAM_ORIG, MEMORYSIZE, CACHE_ALL);
/* enable buffered writing for the framebuffer */
map_section((int)FRAME, (int)FRAME, 1, BUFFERED);
map_section(DRAM_ORIG, CACHED_DRAM_ADDR, MEMORYSIZE, CACHE_ALL);
map_section(DRAM_ORIG, BUFFERED_DRAM_ADDR, MEMORYSIZE, BUFFERED);
}
void memory_init(void)