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Ingenic targets:

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* Clean up codec & PCM + functional changes
 * LCD: Don't wait on DMAC in lcd_unlock()
 * SADC: add battery mutex + other changes
 * NAND: add mutex
 * USB rework (still not working)


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19327 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Maurus Cuelenaere 2008-12-04 18:26:19 +00:00
parent b2dd3c210e
commit a119c44c7e
10 changed files with 361 additions and 1183 deletions
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12
firmware/target/mips/ingenic_jz47xx/ata-nand-jz4740.c
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@ -26,6 +26,7 @@
#include "nand_id.h"
#include "system.h"
#include "panic.h"
#include "kernel.h"
/*
* Standard NAND flash commands
@ -104,6 +105,7 @@ struct nand_param
static struct nand_info* chip_info = NULL;
static struct nand_param internal_param;
static struct mutex nand_mtx;
static inline void jz_nand_wait_ready(void)
{
@ -132,6 +134,8 @@ static inline void jz_nand_read_buf8(void *buf, int count)
static void jz_nand_write_dma(void *source, unsigned int len, int bw)
{
mutex_lock(&nand_mtx);
if(((unsigned int)source < 0xa0000000) && len)
dma_cache_wback_inv((unsigned long)source, len);
@ -146,10 +150,14 @@ static void jz_nand_write_dma(void *source, unsigned int len, int bw)
REG_DMAC_DCCSR(DMA_NAND_CHANNEL) = (DMAC_DCCSR_EN | DMAC_DCCSR_NDES);
while( REG_DMAC_DTCR(DMA_NAND_CHANNEL) )
yield();
mutex_unlock(&nand_mtx);
}
static void jz_nand_read_dma(void *target, unsigned int len, int bw)
{
mutex_lock(&nand_mtx);
if(((unsigned int)target < 0xa0000000) && len)
dma_cache_wback_inv((unsigned long)target, len);
@ -163,6 +171,8 @@ static void jz_nand_read_dma(void *target, unsigned int len, int bw)
REG_DMAC_DCCSR(DMA_NAND_CHANNEL) = (DMAC_DCCSR_EN | DMAC_DCCSR_NDES);
while( REG_DMAC_DTCR(DMA_NAND_CHANNEL) )
yield();
mutex_unlock(&nand_mtx);
}
static inline void jz_nand_read_buf(void *buf, int count, int bw)
@ -433,6 +443,8 @@ static int jz_nand_init(void)
internal_param.oob_size = chip_info->page_size/32;
internal_param.page_per_block = chip_info->pages_per_block;
mutex_init(&nand_mtx);
return 0;
}