/* * * (c) 2007 Pengutronix, Sascha Hauer * * SPDX-License-Identifier: GPL-2.0+ */ #include #include #include #include #include #include DECLARE_GLOBAL_DATA_PTR; int dram_init(void) { /* dram_init must store complete ramsize in gd->ram_size */ gd->ram_size = get_ram_size((void *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE); return 0; } int board_init(void) { gd->bd->bi_arch_number = MACH_TYPE_PCM037; /* board id for linux */ gd->bd->bi_boot_params = (0x80000100); /* adress of boot parameters */ return 0; } int board_early_init_f(void) { /* CS0: Nor Flash */ static const struct mxc_weimcs cs0 = { /* sp wp bcd bcs psz pme sync dol cnc wsc ew wws edc */ CSCR_U(0, 0, 0, 0, 0, 0, 0, 0, 3, 15, 0, 0, 3), /* oea oen ebwa ebwn csa ebc dsz csn psr cre wrap csen */ CSCR_L(1, 0, 0, 0, 0, 1, 5, 0, 0, 0, 1, 1), /* ebra ebrn rwa rwn mum lah lbn lba dww dct wwu age cnc2 fce*/ CSCR_A(0, 0, 7, 2, 0, 0, 2, 1, 0, 0, 0, 0, 0, 0) }; /* CS1: Network Controller */ static const struct mxc_weimcs cs1 = { /* sp wp bcd bcs psz pme sync dol cnc wsc ew wws edc */ CSCR_U(0, 0, 0, 0, 0, 0, 0, 0, 3, 31, 0, 0, 6), /* oea oen ebwa ebwn csa ebc dsz csn psr cre wrap csen */ CSCR_L(4, 4, 4, 10, 4, 0, 5, 4, 0, 0, 0, 1), /* ebra ebrn rwa rwn mum lah lbn lba dww dct wwu age cnc2 fce*/ CSCR_A(4, 4, 4, 4, 0, 1, 4, 3, 0, 0, 0, 0, 1, 0) }; /* CS4: SRAM */ static const struct mxc_weimcs cs4 = { /* sp wp bcd bcs psz pme sync dol cnc wsc ew wws edc */ CSCR_U(0, 0, 0, 0, 0, 0, 0, 0, 3, 24, 0, 4, 3), /* oea oen ebwa ebwn csa ebc dsz csn psr cre wrap csen */ CSCR_L(2, 2, 2, 5, 2, 0, 5, 2, 0, 0, 0, 1), /* ebra ebrn rwa rwn mum lah lbn lba dww dct wwu age cnc2 fce*/ CSCR_A(2, 2, 2, 2, 0, 0, 2, 2, 0, 0, 0, 0, 0, 0) }; mxc_setup_weimcs(0, &cs0); mxc_setup_weimcs(1, &cs1); mxc_setup_weimcs(4, &cs4); /* setup pins for UART1 */ mx31_gpio_mux(MUX_RXD1__UART1_RXD_MUX); mx31_gpio_mux(MUX_TXD1__UART1_TXD_MUX); mx31_gpio_mux(MUX_RTS1__UART1_RTS_B); mx31_gpio_mux(MUX_CTS1__UART1_CTS_B); /* setup pins for I2C2 (for EEPROM, RTC) */ mx31_gpio_mux(MUX_CSPI2_MOSI__I2C2_SCL); mx31_gpio_mux(MUX_CSPI2_MISO__I2C2_SDA); return 0; } #ifdef CONFIG_BOARD_LATE_INIT int board_late_init(void) { #ifdef CONFIG_S6E63D6 struct s6e63d6 data = { /* * See comment in mxc_spi.c::decode_cs() for .cs field format. * We use GPIO 57 as a chipselect for the S6E63D6 and chipselect * 2 of the SPI controller #1, since it is unused. */ .cs = 2 | (57 << 8), .bus = 0, .id = 0, }; int ret; /* SPI1 */ mx31_gpio_mux(MUX_CSPI1_SCLK__CSPI1_CLK); mx31_gpio_mux(MUX_CSPI1_SPI_RDY__CSPI1_DATAREADY_B); mx31_gpio_mux(MUX_CSPI1_MOSI__CSPI1_MOSI); mx31_gpio_mux(MUX_CSPI1_MISO__CSPI1_MISO); mx31_gpio_mux(MUX_CSPI1_SS0__CSPI1_SS0_B); mx31_gpio_mux(MUX_CSPI1_SS1__CSPI1_SS1_B); mx31_gpio_mux(MUX_CSPI1_SS2__CSPI1_SS2_B); /* start SPI1 clock */ __REG(CCM_CGR2) = __REG(CCM_CGR2) | (3 << 2); /* GPIO 57 */ /* sw_mux_ctl_key_col4_key_col5_key_col6_key_col7 */ mx31_gpio_mux(IOMUX_MODE(0x63, MUX_CTL_GPIO)); /* SPI1 CS2 is free */ ret = s6e63d6_init(&data); if (ret) return ret; /* * This is a "magic" sequence to initialise a C0240QGLA / C0283QGLC * OLED display connected to a S6E63D6 SPI display controller in the * 18 bit RGB mode */ s6e63d6_index(&data, 2); s6e63d6_param(&data, 0x0182); s6e63d6_index(&data, 3); s6e63d6_param(&data, 0x8130); s6e63d6_index(&data, 0x10); s6e63d6_param(&data, 0x0000); s6e63d6_index(&data, 5); s6e63d6_param(&data, 0x0001); s6e63d6_index(&data, 0x22); #endif return 0; } #endif int checkboard (void) { printf("Board: Phytec phyCore i.MX31\n"); return 0; } int board_eth_init(bd_t *bis) { int rc = 0; #ifdef CONFIG_SMC911X rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); #endif return rc; }