diff options
Diffstat (limited to 'board/atmel/at91cap9adk/at91cap9adk.c')
| -rw-r--r-- | board/atmel/at91cap9adk/at91cap9adk.c | 231 |
1 files changed, 111 insertions, 120 deletions
diff --git a/board/atmel/at91cap9adk/at91cap9adk.c b/board/atmel/at91cap9adk/at91cap9adk.c index 52e62deaedf..24861ba49de 100644 --- a/board/atmel/at91cap9adk/at91cap9adk.c +++ b/board/atmel/at91cap9adk/at91cap9adk.c @@ -23,7 +23,13 @@ */ #include <common.h> -#include <asm/arch/AT91CAP9.h> +#include <asm/arch/at91cap9.h> +#include <asm/arch/at91cap9_matrix.h> +#include <asm/arch/at91sam926x_mc.h> +#include <asm/arch/at91_pmc.h> +#include <asm/arch/at91_rstc.h> +#include <asm/arch/gpio.h> +#include <asm/arch/io.h> #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB) #include <net.h> #endif @@ -40,126 +46,106 @@ DECLARE_GLOBAL_DATA_PTR; static void at91cap9_serial_hw_init(void) { #ifdef CONFIG_USART0 - AT91C_BASE_PIOA->PIO_PDR = AT91C_PA22_TXD0 | AT91C_PA23_RXD0; - AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_US0; + at91_set_A_periph(AT91_PIN_PA22, 1); /* TXD0 */ + at91_set_A_periph(AT91_PIN_PA23, 0); /* RXD0 */ + at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_US0); #endif #ifdef CONFIG_USART1 - AT91C_BASE_PIOD->PIO_PDR = AT91C_PD0_TXD1 | AT91C_PD1_RXD1; - AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_US1; + at91_set_A_periph(AT91_PIN_PD0, 1); /* TXD1 */ + at91_set_A_periph(AT91_PIN_PD1, 0); /* RXD1 */ + at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_US1); #endif #ifdef CONFIG_USART2 - AT91C_BASE_PIOD->PIO_PDR = AT91C_PD2_TXD2 | AT91C_PD3_RXD2; - AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_US2; + at91_set_A_periph(AT91_PIN_PD2, 1); /* TXD2 */ + at91_set_A_periph(AT91_PIN_PD3, 0); /* RXD2 */ + at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_US2); #endif #ifdef CONFIG_USART3 /* DBGU */ - AT91C_BASE_PIOC->PIO_PDR = AT91C_PC31_DTXD | AT91C_PC30_DRXD; - AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_SYS; + at91_set_A_periph(AT91_PIN_PC30, 0); /* DRXD */ + at91_set_A_periph(AT91_PIN_PC31, 1); /* DTXD */ + at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_SYS); #endif - - } static void at91cap9_nor_hw_init(void) { - /* Ensure EBI supply is 3.3V */ - AT91C_BASE_CCFG->CCFG_EBICSA |= AT91C_EBI_SUP_3V3; + unsigned long csa; + /* Ensure EBI supply is 3.3V */ + csa = at91_sys_read(AT91_MATRIX_EBICSA); + at91_sys_write(AT91_MATRIX_EBICSA, + csa | AT91_MATRIX_EBI_VDDIOMSEL_3_3V); /* Configure SMC CS0 for parallel flash */ - AT91C_BASE_SMC->SMC_SETUP0 = AT91C_FLASH_NWE_SETUP | - AT91C_FLASH_NCS_WR_SETUP | - AT91C_FLASH_NRD_SETUP | - AT91C_FLASH_NCS_RD_SETUP; - - AT91C_BASE_SMC->SMC_PULSE0 = AT91C_FLASH_NWE_PULSE | - AT91C_FLASH_NCS_WR_PULSE | - AT91C_FLASH_NRD_PULSE | - AT91C_FLASH_NCS_RD_PULSE; - - AT91C_BASE_SMC->SMC_CYCLE0 = AT91C_FLASH_NWE_CYCLE | - AT91C_FLASH_NRD_CYCLE; - - AT91C_BASE_SMC->SMC_CTRL0 = AT91C_SMC_READMODE | - AT91C_SMC_WRITEMODE | - AT91C_SMC_NWAITM_NWAIT_DISABLE | - AT91C_SMC_BAT_BYTE_WRITE | - AT91C_SMC_DBW_WIDTH_SIXTEEN_BITS | - (AT91C_SMC_TDF & (1 << 16)); + at91_sys_write(AT91_SMC_SETUP(0), + AT91_SMC_NWESETUP_(4) | AT91_SMC_NCS_WRSETUP_(2) | + AT91_SMC_NRDSETUP_(4) | AT91_SMC_NCS_RDSETUP_(2)); + at91_sys_write(AT91_SMC_PULSE(0), + AT91_SMC_NWEPULSE_(8) | AT91_SMC_NCS_WRPULSE_(10) | + AT91_SMC_NRDPULSE_(8) | AT91_SMC_NCS_RDPULSE_(10)); + at91_sys_write(AT91_SMC_CYCLE(0), + AT91_SMC_NWECYCLE_(16) | AT91_SMC_NRDCYCLE_(16)); + at91_sys_write(AT91_SMC_MODE(0), + AT91_SMC_READMODE | AT91_SMC_WRITEMODE | + AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | + AT91_SMC_DBW_16 | AT91_SMC_TDF_(1)); } #ifdef CONFIG_CMD_NAND static void at91cap9_nand_hw_init(void) { + unsigned long csa; + /* Enable CS3 */ - AT91C_BASE_CCFG->CCFG_EBICSA |= AT91C_EBI_CS3A_SM | AT91C_EBI_SUP_3V3; + csa = at91_sys_read(AT91_MATRIX_EBICSA); + at91_sys_write(AT91_MATRIX_EBICSA, + csa | AT91_MATRIX_EBI_CS3A_SMC_SMARTMEDIA | + AT91_MATRIX_EBI_VDDIOMSEL_3_3V); /* Configure SMC CS3 for NAND/SmartMedia */ - AT91C_BASE_SMC->SMC_SETUP3 = AT91C_SM_NWE_SETUP | - AT91C_SM_NCS_WR_SETUP | - AT91C_SM_NRD_SETUP | - AT91C_SM_NCS_RD_SETUP; - - AT91C_BASE_SMC->SMC_PULSE3 = AT91C_SM_NWE_PULSE | - AT91C_SM_NCS_WR_PULSE | - AT91C_SM_NRD_PULSE | - AT91C_SM_NCS_RD_PULSE; - - AT91C_BASE_SMC->SMC_CYCLE3 = AT91C_SM_NWE_CYCLE | - AT91C_SM_NRD_CYCLE; - - AT91C_BASE_SMC->SMC_CTRL3 = AT91C_SMC_READMODE | - AT91C_SMC_WRITEMODE | - AT91C_SMC_NWAITM_NWAIT_DISABLE | - AT91C_SMC_DBW_WIDTH_EIGTH_BITS | - AT91C_SM_TDF; - - AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_PIOABCD; + at91_sys_write(AT91_SMC_SETUP(3), + AT91_SMC_NWESETUP_(2) | AT91_SMC_NCS_WRSETUP_(1) | + AT91_SMC_NRDSETUP_(2) | AT91_SMC_NCS_RDSETUP_(1)); + at91_sys_write(AT91_SMC_PULSE(3), + AT91_SMC_NWEPULSE_(4) | AT91_SMC_NCS_WRPULSE_(6) | + AT91_SMC_NRDPULSE_(4) | AT91_SMC_NCS_RDPULSE_(6)); + at91_sys_write(AT91_SMC_CYCLE(3), + AT91_SMC_NWECYCLE_(8) | AT91_SMC_NRDCYCLE_(8)); + at91_sys_write(AT91_SMC_MODE(3), + AT91_SMC_READMODE | AT91_SMC_WRITEMODE | + AT91_SMC_EXNWMODE_DISABLE | + AT91_SMC_DBW_8 | AT91_SMC_TDF_(1)); + + at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_PIOABCD); /* RDY/BSY is not connected */ /* Enable NandFlash */ - AT91C_BASE_PIOD->PIO_PER = AT91C_PIO_PD15; - AT91C_BASE_PIOD->PIO_OER = AT91C_PIO_PD15; + at91_set_gpio_output(AT91_PIN_PD15, 1); } #endif #ifdef CONFIG_HAS_DATAFLASH static void at91cap9_spi_hw_init(void) { - AT91C_BASE_PIOD->PIO_BSR = AT91C_PD0_SPI0_NPCS2D | - AT91C_PD1_SPI0_NPCS3D; - AT91C_BASE_PIOD->PIO_PDR = AT91C_PD0_SPI0_NPCS2D | - AT91C_PD1_SPI0_NPCS3D; - - AT91C_BASE_PIOA->PIO_ASR = AT91C_PA28_SPI0_NPCS3A; - AT91C_BASE_PIOA->PIO_BSR = AT91C_PA4_SPI0_NPCS2A | - AT91C_PA1_SPI0_MOSI | - AT91C_PA0_SPI0_MISO | - AT91C_PA3_SPI0_NPCS1 | - AT91C_PA5_SPI0_NPCS0 | - AT91C_PA2_SPI0_SPCK; - AT91C_BASE_PIOA->PIO_PDR = AT91C_PA28_SPI0_NPCS3A | - AT91C_PA4_SPI0_NPCS2A | - AT91C_PA1_SPI0_MOSI | - AT91C_PA0_SPI0_MISO | - AT91C_PA3_SPI0_NPCS1 | - AT91C_PA5_SPI0_NPCS0 | - AT91C_PA2_SPI0_SPCK; - - /* Enable Clock */ - AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_SPI0; + at91_set_B_periph(AT91_PIN_PA5, 0); /* SPI0_NPCS0 */ + + at91_set_B_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */ + at91_set_B_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */ + at91_set_B_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */ + + /* Enable clock */ + at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_SPI0); } #endif #ifdef CONFIG_MACB static void at91cap9_macb_hw_init(void) { - unsigned int gpio; - /* Enable clock */ - AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_EMAC; + at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_EMAC); /* * Disable pull-up on: @@ -169,54 +155,59 @@ static void at91cap9_macb_hw_init(void) * * PHY has internal pull-down */ - AT91C_BASE_PIOB->PIO_PPUDR = AT91C_PB22_E_RXDV | - AT91C_PB25_E_RX0 | - AT91C_PB26_E_RX1; + writel(pin_to_mask(AT91_PIN_PB22) | + pin_to_mask(AT91_PIN_PB25) | + pin_to_mask(AT91_PIN_PB26), + pin_to_controller(AT91_PIN_PA0) + PIO_PUDR); /* Need to reset PHY -> 500ms reset */ - AT91C_BASE_RSTC->RSTC_RMR = (AT91C_RSTC_KEY & (0xA5 << 24)) | - (AT91C_RSTC_ERSTL & (0x0D << 8)) | - AT91C_RSTC_URSTEN; - AT91C_BASE_RSTC->RSTC_RCR = (AT91C_RSTC_KEY & (0xA5 << 24)) | - AT91C_RSTC_EXTRST; + at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY | + AT91_RSTC_ERSTL | (0x0D << 8) | + AT91_RSTC_URSTEN); + + at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_EXTRST); /* Wait for end hardware reset */ - while (!(AT91C_BASE_RSTC->RSTC_RSR & AT91C_RSTC_NRSTL)); + while (!(at91_sys_read(AT91_RSTC_SR) & AT91_RSTC_NRSTL)); /* Re-enable pull-up */ - AT91C_BASE_PIOB->PIO_PPUER = AT91C_PB22_E_RXDV | - AT91C_PB25_E_RX0 | - AT91C_PB26_E_RX1; - -#ifdef CONFIG_RMII - gpio = AT91C_PB30_E_MDIO | - AT91C_PB29_E_MDC | - AT91C_PB21_E_TXCK | - AT91C_PB27_E_RXER | - AT91C_PB25_E_RX0 | - AT91C_PB22_E_RXDV | - AT91C_PB26_E_RX1 | - AT91C_PB28_E_TXEN | - AT91C_PB23_E_TX0 | - AT91C_PB24_E_TX1; - AT91C_BASE_PIOB->PIO_ASR = gpio; - AT91C_BASE_PIOB->PIO_BSR = 0; - AT91C_BASE_PIOB->PIO_PDR = gpio; -#else -#error AT91CAP9A-DK works only in RMII mode + writel(pin_to_mask(AT91_PIN_PB22) | + pin_to_mask(AT91_PIN_PB25) | + pin_to_mask(AT91_PIN_PB26), + pin_to_controller(AT91_PIN_PA0) + PIO_PUER); + + at91_set_A_periph(AT91_PIN_PB21, 0); /* ETXCK_EREFCK */ + at91_set_A_periph(AT91_PIN_PB22, 0); /* ERXDV */ + at91_set_A_periph(AT91_PIN_PB25, 0); /* ERX0 */ + at91_set_A_periph(AT91_PIN_PB26, 0); /* ERX1 */ + at91_set_A_periph(AT91_PIN_PB27, 0); /* ERXER */ + at91_set_A_periph(AT91_PIN_PB28, 0); /* ETXEN */ + at91_set_A_periph(AT91_PIN_PB23, 0); /* ETX0 */ + at91_set_A_periph(AT91_PIN_PB24, 0); /* ETX1 */ + at91_set_A_periph(AT91_PIN_PB30, 0); /* EMDIO */ + at91_set_A_periph(AT91_PIN_PB29, 0); /* EMDC */ + +#ifndef CONFIG_RMII + at91_set_B_periph(AT91_PIN_PC25, 0); /* ECRS */ + at91_set_B_periph(AT91_PIN_PC26, 0); /* ECOL */ + at91_set_B_periph(AT91_PIN_PC22, 0); /* ERX2 */ + at91_set_B_periph(AT91_PIN_PC23, 0); /* ERX3 */ + at91_set_B_periph(AT91_PIN_PC27, 0); /* ERXCK */ + at91_set_B_periph(AT91_PIN_PC20, 0); /* ETX2 */ + at91_set_B_periph(AT91_PIN_PC21, 0); /* ETX3 */ + at91_set_B_periph(AT91_PIN_PC24, 0); /* ETXER */ #endif - /* Unlock EMAC, 3 0 2 1 sequence */ #define MP_MAC_KEY0 0x5969cb2a #define MP_MAC_KEY1 0xb4a1872e #define MP_MAC_KEY2 0x05683fbc #define MP_MAC_KEY3 0x3634fba4 #define UNLOCK_MAC 0x00000008 - *((AT91_REG *)((AT91_REG) MP_BLOCK_3_BASE + 0x3c)) = MP_MAC_KEY3; - *((AT91_REG *)((AT91_REG) MP_BLOCK_3_BASE + 0x30)) = MP_MAC_KEY0; - *((AT91_REG *)((AT91_REG) MP_BLOCK_3_BASE + 0x38)) = MP_MAC_KEY2; - *((AT91_REG *)((AT91_REG) MP_BLOCK_3_BASE + 0x34)) = MP_MAC_KEY1; - *((AT91_REG *)((AT91_REG) MP_BLOCK_3_BASE + 0x40)) = UNLOCK_MAC; + writel(MP_MAC_KEY3, MP_BLOCK_3_BASE + 0x3c); + writel(MP_MAC_KEY0, MP_BLOCK_3_BASE + 0x30); + writel(MP_MAC_KEY2, MP_BLOCK_3_BASE + 0x38); + writel(MP_MAC_KEY1, MP_BLOCK_3_BASE + 0x34); + writel(UNLOCK_MAC, MP_BLOCK_3_BASE + 0x40); } #endif @@ -229,11 +220,11 @@ static void at91cap9_uhp_hw_init(void) #define MP_OHCI_KEY2 0x4823efbc #define MP_OHCI_KEY3 0x8651aae4 #define UNLOCK_OHCI 0x00000010 - *((AT91_REG *)((AT91_REG) MP_BLOCK_3_BASE + 0x3c)) = MP_OHCI_KEY3; - *((AT91_REG *)((AT91_REG) MP_BLOCK_3_BASE + 0x38)) = MP_OHCI_KEY2; - *((AT91_REG *)((AT91_REG) MP_BLOCK_3_BASE + 0x30)) = MP_OHCI_KEY0; - *((AT91_REG *)((AT91_REG) MP_BLOCK_3_BASE + 0x34)) = MP_OHCI_KEY1; - *((AT91_REG *)((AT91_REG) MP_BLOCK_3_BASE + 0x40)) = UNLOCK_OHCI; + writel(MP_OHCI_KEY3, MP_BLOCK_3_BASE + 0x3c); + writel(MP_OHCI_KEY2, MP_BLOCK_3_BASE + 0x38); + writel(MP_OHCI_KEY0, MP_BLOCK_3_BASE + 0x30); + writel(MP_OHCI_KEY1, MP_BLOCK_3_BASE + 0x34); + writel(UNLOCK_OHCI, MP_BLOCK_3_BASE + 0x40); } #endif |