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author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
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committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
tree | 65ca85f13617aee1dce474596800950f266a456c /roms/u-boot/board/logicpd/imx31_litekit/imx31_litekit.c | |
download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip |
Diffstat (limited to 'roms/u-boot/board/logicpd/imx31_litekit/imx31_litekit.c')
-rw-r--r-- | roms/u-boot/board/logicpd/imx31_litekit/imx31_litekit.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/roms/u-boot/board/logicpd/imx31_litekit/imx31_litekit.c b/roms/u-boot/board/logicpd/imx31_litekit/imx31_litekit.c new file mode 100644 index 00000000..386e1063 --- /dev/null +++ b/roms/u-boot/board/logicpd/imx31_litekit/imx31_litekit.c @@ -0,0 +1,91 @@ +/* + * + * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + + +#include <common.h> +#include <netdev.h> +#include <asm/arch/clock.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/sys_proto.h> + +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_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(10, 0, 3, 3, 0, 1, 5, 0, 0, 0, 0, 1), + /* ebra ebrn rwa rwn mum lah lbn lba dww dct wwu age cnc2 fce*/ + CSCR_A(0, 0, 2, 2, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0) + }; + + /* CS4: Network Controller */ + 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, 28, 1, 7, 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) + }; + + mxc_setup_weimcs(0, &cs0); + 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); + + /* SPI2 */ + mx31_gpio_mux(MUX_CSPI2_SS2__CSPI2_SS2_B); + mx31_gpio_mux(MUX_CSPI2_SCLK__CSPI2_CLK); + mx31_gpio_mux(MUX_CSPI2_SPI_RDY__CSPI2_DATAREADY_B); + mx31_gpio_mux(MUX_CSPI2_MOSI__CSPI2_MOSI); + mx31_gpio_mux(MUX_CSPI2_MISO__CSPI2_MISO); + mx31_gpio_mux(MUX_CSPI2_SS0__CSPI2_SS0_B); + mx31_gpio_mux(MUX_CSPI2_SS1__CSPI2_SS1_B); + + /* start SPI2 clock */ + __REG(CCM_CGR2) = __REG(CCM_CGR2) | (3 << 4); + + return 0; +} + +int board_init(void) +{ + gd->bd->bi_boot_params = (0x80000100); /* adress of boot parameters */ + + return 0; +} + +int checkboard(void) +{ + printf("Board: i.MX31 Litekit\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; +} |