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m:robe 500i port: Add support for the backlight client in the SPI subsystem

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15402 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Catalin Patulea 2007-11-02 05:07:52 +00:00
parent 5f36e5a353
commit 574b1009a6
3 changed files with 14 additions and 4 deletions
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10
firmware/target/arm/tms320dm320/spi-dm320.c
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@ -30,6 +30,7 @@
#define GIO_TS_ENABLE (1<<2)
#define GIO_RTC_ENABLE (1<<12)
#define GIO_BL_ENABLE (1<<13)
struct spinlock spi_lock;
@ -41,8 +42,9 @@ struct SPI_info {
#define reg(a) ((volatile unsigned short *)(PHY_IO_BASE+a))
struct SPI_info spi_targets[] =
{
[SPI_target_TSC2100] = { reg(0x0594), reg(0x058E), GIO_TS_ENABLE },
[SPI_target_RX5X348AB] = { reg(0x058C), reg(0x0592), GIO_RTC_ENABLE },
[SPI_target_TSC2100] = { &IO_GIO_BITCLR1, &IO_GIO_BITSET1, GIO_TS_ENABLE },
[SPI_target_RX5X348AB] = { &IO_GIO_BITSET0, &IO_GIO_BITCLR0, GIO_RTC_ENABLE },
[SPI_target_BACKLIGHT] = { &IO_GIO_BITCLR1, &IO_GIO_BITSET1, GIO_BL_ENABLE },
};
static void spi_disable_all_targets(void)
@ -92,8 +94,8 @@ int spi_block_transfer(enum SPI_target target,
void spi_init(void)
{
spinlock_init(&spi_lock);
/* Set SCLK idle level = 1 */
IO_SERIAL0_MODE &= ~(1<<10);
/* Set SCLK idle level = 0 */
IO_SERIAL0_MODE |= 1<<10;
/* Enable TX */
IO_SERIAL0_TX_ENABLE = 0x0001;