diff options
Diffstat (limited to 'board/BuS/vl_ma2sc/vl_ma2sc.c')
| -rw-r--r-- | board/BuS/vl_ma2sc/vl_ma2sc.c | 548 |
1 files changed, 548 insertions, 0 deletions
diff --git a/board/BuS/vl_ma2sc/vl_ma2sc.c b/board/BuS/vl_ma2sc/vl_ma2sc.c new file mode 100644 index 0000000..84b2060 --- /dev/null +++ b/board/BuS/vl_ma2sc/vl_ma2sc.c @@ -0,0 +1,548 @@ +/* + * (C) Copyright 2009-2012 + * Jens Scharsig <esw@bus-elekronik.de> + * BuS Elektronik GmbH & Co. KG + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <config.h> +#include <common.h> +#include <asm/sizes.h> +#include <asm/io.h> +#include <asm/arch/hardware.h> +#include <asm/arch/clk.h> +#include <asm/arch/at91_matrix.h> +#include <asm/arch/at91sam9_smc.h> +#include <asm/arch/at91_pmc.h> +#include <asm/arch/at91_pio.h> +#include <asm/arch/at91_rstc.h> +#include <asm/arch/at91sam9263.h> +#include <asm/arch/gpio.h> +#include <asm/arch/at91_common.h> +#include <lcd.h> +#include <i2c.h> +#include <atmel_lcdc.h> +#if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB) +#include <net.h> +#endif +#include <netdev.h> + +DECLARE_GLOBAL_DATA_PTR; + +#ifdef CONFIG_CMD_NAND +static void vl_ma2sc_nand_hw_init(void) +{ + unsigned long csa; + at91_smc_t *smc = (at91_smc_t *) ATMEL_BASE_SMC0; + at91_matrix_t *matrix = (at91_matrix_t *) ATMEL_BASE_MATRIX; + at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; + + at91_set_pio_output(AT91_PIO_PORTA, 13, 1); /* CAN_TX -> H */ + at91_set_pio_output(AT91_PIO_PORTA, 12, 1); /* CAN_STB -> H */ + at91_set_pio_output(AT91_PIO_PORTA, 11, 1); /* CAN_EN -> H */ + + /* Enable CS3 */ + csa = readl(&matrix->csa[0]) | AT91_MATRIX_CSA_EBI_CS3A; + writel(csa, &matrix->csa[0]); + + /* Configure SMC CS3 for NAND/SmartMedia */ + writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) | + AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0), + &smc->cs[3].setup); + + writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) | + AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3), + &smc->cs[3].pulse); + + writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5), + &smc->cs[3].cycle); + writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE | + AT91_SMC_MODE_DBW_8 | + AT91_SMC_MODE_TDF_CYCLE(2), + &smc->cs[3].mode); + writel((1 << ATMEL_ID_PIOB) | (1 << ATMEL_ID_PIOCDE), + &pmc->pcer); + + /* Configure RDY/BSY */ +#ifdef CONFIG_SYS_NAND_READY_PIN + at91_set_pio_input(CONFIG_SYS_NAND_READY_PIN, 1); +#endif + /* Enable NandFlash */ + at91_set_pio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1); +} +#endif + +#ifdef CONFIG_MACB +static void vl_ma2sc_macb_hw_init(void) +{ + unsigned long erstl; + at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; + at91_rstc_t *rstc = (at91_rstc_t *) ATMEL_BASE_RSTC; + /* Enable clock */ + writel(1 << ATMEL_ID_EMAC, &pmc->pcer); + + erstl = readl(&rstc->mr) & AT91_RSTC_MR_ERSTL_MASK; + + /* Need to reset PHY -> 500ms reset */ + writel(AT91_RSTC_KEY | AT91_RSTC_MR_ERSTL(0x0D) | + AT91_RSTC_MR_URSTEN, &rstc->mr); + + writel(AT91_RSTC_KEY | AT91_RSTC_CR_EXTRST, &rstc->cr); + /* Wait for end hardware reset */ + while (!(readl(&rstc->sr) & AT91_RSTC_SR_NRSTL)) + ; + + /* Restore NRST value */ + writel(AT91_RSTC_KEY | erstl | AT91_RSTC_MR_URSTEN, &rstc->mr); + + at91_macb_hw_init(); +} +#endif + +#ifdef CONFIG_LCD +vidinfo_t panel_info = { + .vl_col = 320, + .vl_row = 240, + .vl_clk = 6500000, + .vl_sync = ATMEL_LCDC_INVDVAL_INVERTED | + ATMEL_LCDC_INVLINE_INVERTED | + ATMEL_LCDC_INVVD_INVERTED | + ATMEL_LCDC_INVFRAME_INVERTED, + .vl_bpix = (ATMEL_LCDC_PIXELSIZE_8 >> 5), + .vl_tft = 1, + .vl_hsync_len = 5, /* Horiz Sync Pulse Width */ + .vl_left_margin = 68, /* horiz back porch */ + .vl_right_margin = 20, /* horiz front porch */ + .vl_vsync_len = 2, /* vert Sync Pulse Width */ + .vl_upper_margin = 18, /* vert back porch */ + .vl_lower_margin = 4, /* vert front porch */ + .mmio = ATMEL_BASE_LCDC, +}; + +void lcd_enable(void) +{ +} + +void lcd_disable(void) +{ +} + +static void vl_ma2sc_lcd_hw_init(void) +{ + at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; + + at91_set_a_periph(AT91_PIO_PORTC, 0, 0); /* LCDVSYNC */ + at91_set_a_periph(AT91_PIO_PORTC, 1, 0); /* LCDHSYNC */ + at91_set_a_periph(AT91_PIO_PORTC, 2, 0); /* LCDDOTCK */ + at91_set_a_periph(AT91_PIO_PORTC, 3, 0); /* LCDDEN */ + at91_set_b_periph(AT91_PIO_PORTB, 9, 0); /* LCDCC */ + + at91_set_a_periph(AT91_PIO_PORTC, 4, 0); /* LCDD0 */ + at91_set_a_periph(AT91_PIO_PORTC, 5, 0); /* LCDD1 */ + at91_set_a_periph(AT91_PIO_PORTC, 6, 0); /* LCDD2 */ + at91_set_a_periph(AT91_PIO_PORTC, 7, 0); /* LCDD3 */ + at91_set_a_periph(AT91_PIO_PORTC, 8, 0); /* LCDD4 */ + at91_set_a_periph(AT91_PIO_PORTC, 9, 0); /* LCDD5 */ + at91_set_a_periph(AT91_PIO_PORTC, 10, 0); /* LCDD6 */ + at91_set_a_periph(AT91_PIO_PORTC, 11, 0); /* LCDD7 */ + + at91_set_a_periph(AT91_PIO_PORTC, 13, 0); /* LCDD9 */ + at91_set_a_periph(AT91_PIO_PORTC, 14, 0); /* LCDD10 */ + at91_set_a_periph(AT91_PIO_PORTC, 15, 0); /* LCDD11 */ + at91_set_a_periph(AT91_PIO_PORTC, 16, 0); /* LCDD12 */ + at91_set_b_periph(AT91_PIO_PORTC, 12, 0); /* LCDD13 */ + at91_set_a_periph(AT91_PIO_PORTC, 18, 0); /* LCDD14 */ + at91_set_a_periph(AT91_PIO_PORTC, 19, 0); /* LCDD15 */ + + at91_set_a_periph(AT91_PIO_PORTC, 20, 0); /* LCDD26 */ + at91_set_a_periph(AT91_PIO_PORTC, 21, 0); /* LCDD17 */ + at91_set_a_periph(AT91_PIO_PORTC, 22, 0); /* LCDD18 */ + at91_set_a_periph(AT91_PIO_PORTC, 23, 0); /* LCDD19 */ + at91_set_a_periph(AT91_PIO_PORTC, 24, 0); /* LCDD20 */ + at91_set_b_periph(AT91_PIO_PORTC, 17, 0); /* LCDD21 */ + at91_set_a_periph(AT91_PIO_PORTC, 26, 0); /* LCDD22 */ + at91_set_a_periph(AT91_PIO_PORTC, 27, 0); /* LCDD23 */ + + at91_set_pio_output(AT91_PIO_PORTE, 0, 0); /* LCD QXH */ + + at91_set_pio_output(AT91_PIO_PORTE, 2, 0); /* LCD SHUT */ + at91_set_pio_output(AT91_PIO_PORTE, 3, 1); /* LCD TopBottom */ + at91_set_pio_output(AT91_PIO_PORTE, 4, 0); /* LCD REV */ + at91_set_pio_output(AT91_PIO_PORTE, 5, 1); /* LCD RightLeft */ + at91_set_pio_output(AT91_PIO_PORTE, 6, 0); /* LCD Color Mode CM */ + at91_set_pio_output(AT91_PIO_PORTE, 7, 0); /* LCD BGR */ + + at91_set_pio_output(AT91_PIO_PORTB, 9, 0); /* LCD CC */ + + writel(1 << ATMEL_ID_LCDC, &pmc->pcer); + gd->fb_base = ATMEL_BASE_SRAM0; +} +#endif /* Config LCD */ + +#ifdef CONFIG_BOARD_EARLY_INIT_F +int board_early_init_f(void) +{ + struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + + /* Enable clocks for all PIOs */ + writel((1 << ATMEL_ID_PIOA) | (1 << ATMEL_ID_PIOB) | + (1 << ATMEL_ID_PIOCDE), + &pmc->pcer); + + at91_seriald_hw_init(); + + return 0; +} +#endif + +int board_init(void) +{ + at91_smc_t *smc = (at91_smc_t *) ATMEL_BASE_SMC0; + at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIO; + u32 pin; + + pin = 0x1F000001; + writel(pin, &pio->pioa.idr); + writel(pin, &pio->pioa.pudr); + writel(pin, &pio->pioa.per); + writel(pin, &pio->pioa.oer); + writel(pin, &pio->pioa.sodr); + writel((1 << 25), &pio->pioa.codr); + + pin = 0x1F000100; + writel(pin, &pio->piob.idr); + writel(pin, &pio->piob.pudr); + writel(pin, &pio->piob.per); + writel(pin, &pio->piob.oer); + writel(pin, &pio->piob.codr); + writel((1 << 24), &pio->piob.sodr); + + pin = 0x40000000; /* Pullup DRxD enbable */ + writel(pin, &pio->pioc.puer); + + pin = 0x0000000F; /* HWversion als Input */ + writel(pin, &pio->piod.idr); + writel(pin, &pio->piod.puer); + writel(pin, &pio->piod.per); + writel(pin, &pio->piod.odr); + writel(pin, &pio->piod.owdr); + + gd->bd->bi_arch_number = MACH_TYPE_VL_MA2SC; + /* adress of boot parameters */ + gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; + + writel(CONFIG_SYS_SMC0_MODE0_VAL, &smc->cs[0].setup); + writel(CONFIG_SYS_SMC0_CYCLE0_VAL, &smc->cs[0].cycle); + writel(CONFIG_SYS_SMC0_PULSE0_VAL, &smc->cs[0].pulse); + writel(CONFIG_SYS_SMC0_SETUP0_VAL, &smc->cs[0].setup); + +#ifdef CONFIG_CMD_NAND + vl_ma2sc_nand_hw_init(); +#endif +#ifdef CONFIG_MACB + vl_ma2sc_macb_hw_init(); +#endif +#ifdef CONFIG_USB_OHCI_NEW + at91_uhp_hw_init(); +#endif +#ifdef CONFIG_LCD + vl_ma2sc_lcd_hw_init(); +#endif + return 0; +} + +#ifdef CONFIG_MISC_INIT_R +int misc_init_r(void) +{ + uchar buffer[8]; + at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIO; + u32 pin; + + buffer[0] = 0x04; + buffer[1] = 0x00; + if (i2c_write(0x68, 0x0E, 1, buffer, 2) != 0) + puts("error reseting rtc clock\n\0"); + + /* read hardware version */ + + pin = (readl(&pio->piod.pdsr) & 0x0F) + 0x44; + printf("Board: revision %c\n", pin); + buffer[0] = pin; + buffer[1] = 0; + setenv("revision", (char *) buffer); + + pin = 0x40000000; /* Pullup DRxD enbable */ + writel(pin, &pio->pioc.puer); + return 0; +} +#endif + +int dram_init(void) +{ + gd->ram_size = get_ram_size((long *) CONFIG_SYS_SDRAM_BASE, + CONFIG_SYS_SDRAM_SIZE); + return 0; +} + +#ifdef CONFIG_RESET_PHY_R +void reset_phy(void) +{ +#ifdef CONFIG_MACB + /* + * Initialize ethernet HW addr prior to starting Linux, + * needed for nfsroot + */ + eth_init(gd->bd); +#endif +} +#endif + +int board_eth_init(bd_t *bis) +{ + int rc = 0; +#ifdef CONFIG_MACB + rc = macb_eth_initialize(0, (void *) ATMEL_BASE_EMAC, 0x01); +#endif + return rc; +} + +#ifdef CONFIG_SOFT_I2C +void i2c_init_board(void) +{ + u32 pin; + + at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; + at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIO; + u8 sda = (1<<4); + u8 scl = (1<<5); + + writel(1 << ATMEL_ID_PIOB, &pmc->pcer); + pin = sda | scl; + writel(pin, &pio->piob.idr); /* Disable Interupt */ + writel(pin, &pio->piob.pudr); + writel(pin, &pio->piob.per); + writel(pin, &pio->piob.oer); + writel(pin, &pio->piob.sodr); +} +#endif + +void watchdog_reset(void) +{ + at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIO; + u32 pin = 0x1; /* PA0 */ + + if ((readl(&pio->pioa.odsr) & pin) > 0) + writel(pin, &pio->pioa.codr); + else + writel(pin, &pio->pioa.sodr); +} + +void enable_caches(void) +{ +#ifndef CONFIG_SYS_DCACHE_OFF + dcache_enable(); +#endif +} + +/*---------------------------------------------------------------------------*/ + +int do_ledtest(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + int rcode = 1; + int row; + int col; + u32 pinz; + u32 pins; + at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIO; + + at91_set_pio_output(AT91_PIO_PORTB, 8, 0); /* LCD DIM */ + + pins = 0x1F000000; + writel(pins, &pio->pioa.idr); + writel(pins, &pio->pioa.pudr); + writel(pins, &pio->pioa.per); + writel(pins, &pio->pioa.oer); + writel(pins, &pio->pioa.sodr); + + pinz = 0x1F000000; + writel(pinz, &pio->piob.idr); + writel(pinz, &pio->piob.pudr); + writel(pinz, &pio->piob.per); + writel(pinz, &pio->piob.oer); + writel(pinz, &pio->piob.sodr); + + for (row = 0; row < 5; row++) { + for (col = 0; col < 5; col++) { + writel((0x01000000 << col), &pio->piob.sodr); + writel((0x01000000 << row), &pio->pioa.codr); + printf("LED Test %d x %d\n", row, col); + udelay(1000000); + writel(pinz, &pio->piob.codr); + writel(pins, &pio->pioa.sodr); + } + } + return rcode; +} + +void poweroff(void) +{ + watchdog_reset(); + at91_set_pio_output(AT91_PIO_PORTA, 13, 1); /* CAN_TX -> H */ + udelay(100); + at91_set_pio_output(AT91_PIO_PORTA, 12, 0); /* CAN_STB -> L */ + udelay(100); + at91_set_pio_output(AT91_PIO_PORTA, 11, 0); /* CAN_EN -> L */ + udelay(100); + while (1) + watchdog_reset(); +} + +int do_poweroff(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + int rcode = 1; + poweroff(); + return rcode; +} + +int do_beep(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + int i; + u32 freq; + u32 durate; + int rcode = 1; + + freq = 1000; + durate = 2; + switch (argc) { + case 3: + durate = simple_strtoul(argv[2], NULL, 10); + case 2: + freq = simple_strtoul(argv[1], NULL, 10); + case 1: + break; + default: + cmd_usage(cmdtp); + rcode = 1; + break; + } + durate = durate * freq; + freq = 500000 / freq; + for (i = 0; i < durate; i++) { + at91_set_pio_output(AT91_PIO_PORTB, 29, 1); /* Sound On*/ + udelay(freq); + at91_set_pio_output(AT91_PIO_PORTB, 29, 0); /* Sound Off*/ + udelay(freq); + } + at91_set_pio_output(AT91_PIO_PORTB, 29, 0); /* Sound Off*/ + return rcode; +} + +int do_keytest(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + int rcode = 1; + int row; + u32 col; + u32 pinz; + u32 pins; + at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIO; + at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; + + writel((1 << ATMEL_ID_PIOA), &pmc->pcer); + + pins = 0x001F0000; + writel(pins, &pio->pioa.idr); + writel(pins, &pio->pioa.pudr); + writel(pins, &pio->pioa.per); + writel(pins, &pio->pioa.odr); + + pinz = 0x000F0000; + writel(pinz, &pio->piob.idr); + writel(pinz, &pio->piob.pudr); + writel(pinz, &pio->piob.per); + writel(pinz, &pio->piob.oer); + writel(pinz, &pio->piob.codr); + + while (1) { + col = 0; + for (row = 0; row < 4; row++) { + writel((0x00010000 << row), &pio->piob.sodr); + udelay(10000); + col <<= 4; + col |= ((readl(&pio->pioa.pdsr) >> 16) & 0xF) ^ 0xF ; + writel(pinz, &pio->piob.codr); + } + printf("Matix: "); + for (row = 0; row < 16; row++) { + printf("%1.1d", col & 1); + col >>= 1; + } + printf(" SP %d\r ", + 1 ^ (1 & (readl(&pio->piob.pdsr) >> 20))); + if ((1 & (readl(&pio->pioa.pdsr) >> 1)) == 0) { + /* SHUTDOWN */ + row = 0; + while (row < 1000) { + if ((1 & (readl(&pio->pioa.pdsr) >> 1)) == 0) + row++; + udelay(100); + } + udelay(100000); + row = 0; + while (row < 1000) { + if ((1 & (readl(&pio->pioa.pdsr) >> 1)) > 0) { + row++; + udelay(1000); + } + } + poweroff(); + while (1) + ; + } + } + return rcode; +} + +/*****************************************************************************/ + +U_BOOT_CMD( + ledtest, 1, 0, do_ledtest, + "test ledmatrix", + "\n" + ); + +U_BOOT_CMD( + keytest, 1, 0, do_keytest, + "test keymatix and special keys, poweroff on pressing ON key", + "\n" + ); + +U_BOOT_CMD( + poweroff, 1, 0, do_poweroff, + "power off", + "\n" + ); + +U_BOOT_CMD( + beep, 3, 0, do_beep, + "[freq [duration]]", + "freq frequence of beep\nduration duration of beep\n" + ); + +/*****************************************************************************/ |
