/* * (C) Copyright 2009-2012 * Jens Scharsig * BuS Elektronik GmbH & Co. KG * * SPDX-License-Identifier: GPL-2.0+ */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB) #include #endif #include 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 gpio_direction_input(CONFIG_SYS_NAND_READY_PIN); #endif /* Enable NandFlash */ gpio_direction_output(CONFIG_SYS_NAND_ENABLE_PIN, 1); } #endif #ifdef CONFIG_MACB static void vl_ma2sc_macb_hw_init(void) { at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; /* Enable clock */ writel(1 << ATMEL_ID_EMAC, &pmc->pcer); at91_phy_reset(); 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_SYS_I2C_SOFT 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" ); /*****************************************************************************/