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| author | wdenk <wdenk> | 2005-03-06 01:21:30 +0000 |
|---|---|---|
| committer | wdenk <wdenk> | 2005-03-06 01:21:30 +0000 |
| commit | f4733a0764741966a5e842968166b40fb062d577 (patch) | |
| tree | 2fb8f9d690db7cca7aa1808899a3a589c456adf4 /board | |
| parent | b05dcb58fe04c6274fc942fa93efe77072395951 (diff) | |
| download | u-boot-imx-f4733a0764741966a5e842968166b40fb062d577.zip u-boot-imx-f4733a0764741966a5e842968166b40fb062d577.tar.gz u-boot-imx-f4733a0764741966a5e842968166b40fb062d577.tar.bz2 | |
Add port initialization for digital I/O on INKA4x0
Diffstat (limited to 'board')
| -rw-r--r-- | board/inka4x0/inka4x0.c | 52 |
1 files changed, 36 insertions, 16 deletions
diff --git a/board/inka4x0/inka4x0.c b/board/inka4x0/inka4x0.c index 4900201..f5e32cc 100644 --- a/board/inka4x0/inka4x0.c +++ b/board/inka4x0/inka4x0.c @@ -43,13 +43,11 @@ static void sdram_start (int hi_addr) long hi_addr_bit = hi_addr ? 0x01000000 : 0; /* unlock mode register */ - *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000000 | - hi_addr_bit; + *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000000 | hi_addr_bit; __asm__ volatile ("sync"); /* precharge all banks */ - *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000002 | - hi_addr_bit; + *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000002 | hi_addr_bit; __asm__ volatile ("sync"); #if SDRAM_DDR @@ -63,13 +61,11 @@ static void sdram_start (int hi_addr) #endif /* precharge all banks */ - *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000002 | - hi_addr_bit; + *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000002 | hi_addr_bit; __asm__ volatile ("sync"); /* auto refresh */ - *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000004 | - hi_addr_bit; + *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000004 | hi_addr_bit; __asm__ volatile ("sync"); /* set mode register */ @@ -177,27 +173,51 @@ void flash_preinit(void) *(vu_long *)MPC5XXX_BOOTCS_CFG &= ~0x1; /* clear RO */ } -#define GPIO_PSC3_9 0x04000000UL +#define GPIO_PSC3_9 0x04000000UL int misc_init_f (void) { + /* Initialize GPIO output pins. + */ + /* Configure GPT as GPIO output */ + *(vu_long *)MPC5XXX_GPT0_ENABLE = + *(vu_long *)MPC5XXX_GPT1_ENABLE = + *(vu_long *)MPC5XXX_GPT2_ENABLE = + *(vu_long *)MPC5XXX_GPT3_ENABLE = + *(vu_long *)MPC5XXX_GPT4_ENABLE = + *(vu_long *)MPC5XXX_GPT5_ENABLE = 0x24; + + + /* Configure PSC3_6,7 as GPIO output */ + *(vu_long *)MPC5XXX_GPIO_ENABLE |= 0x00003000; + *(vu_long *)MPC5XXX_GPIO_DIR |= 0x00003000; + + /* Configure PSC3_8 as GPIO output, no interrupt */ + *(vu_long *)MPC5XXX_GPIO_SI_ENABLE |= 0x04000000; + *(vu_long *)MPC5XXX_GPIO_SI_DIR |= 0x04000000; + *(vu_long *)MPC5XXX_GPIO_SI_IEN &= ~0x04000000; + + /* Configure PSC3_9 and GPIO_WKUP6,7 as GPIO output */ + *(vu_long *)MPC5XXX_WU_GPIO_ENABLE |= 0xc4000000; + *(vu_long *)MPC5XXX_WU_GPIO_DIR |= 0xc4000000; + /* * Reset Coral-P graphics controller */ - *(vu_long *) MPC5XXX_WU_GPIO_ENABLE |= GPIO_PSC3_9; - *(vu_long *) MPC5XXX_WU_GPIO_DIR |= GPIO_PSC3_9; - *(vu_long *) MPC5XXX_WU_GPIO_DATA |= GPIO_PSC3_9; - return 0; + *(vu_long *) MPC5XXX_WU_GPIO_ENABLE |= GPIO_PSC3_9; + *(vu_long *) MPC5XXX_WU_GPIO_DIR |= GPIO_PSC3_9; + *(vu_long *) MPC5XXX_WU_GPIO_DATA |= GPIO_PSC3_9; + return 0; } -#ifdef CONFIG_PCI +#ifdef CONFIG_PCI static struct pci_controller hose; extern void pci_mpc5xxx_init(struct pci_controller *); void pci_init_board(void) { - pci_mpc5xxx_init(&hose); + pci_mpc5xxx_init(&hose); } #endif @@ -209,7 +229,7 @@ void init_ide_reset (void) { debug ("init_ide_reset\n"); - /* Configure PSC1_4 as GPIO output for ATA reset */ + /* Configure PSC1_4 as GPIO output for ATA reset */ *(vu_long *) MPC5XXX_WU_GPIO_ENABLE |= GPIO_PSC1_4; *(vu_long *) MPC5XXX_WU_GPIO_DIR |= GPIO_PSC1_4; /* Deassert reset */ |