From d9e268ed766b03c7d2fc36debcd62b6696395aad Mon Sep 17 00:00:00 2001 From: Sebastien Bourdelin Date: Tue, 8 Nov 2016 12:18:07 -0500 Subject: ARM: ts4600: add basic board support This commit adds basic support including: MMC, Serial console Signed-off-by: Sebastien Bourdelin Reviewed-by: Fabio Estevam --- board/technologic/ts4600/Kconfig | 15 ++++ board/technologic/ts4600/MAINTAINERS | 6 ++ board/technologic/ts4600/Makefile | 11 +++ board/technologic/ts4600/iomux.c | 149 +++++++++++++++++++++++++++++++++++ board/technologic/ts4600/ts4600.c | 89 +++++++++++++++++++++ 5 files changed, 270 insertions(+) create mode 100644 board/technologic/ts4600/Kconfig create mode 100644 board/technologic/ts4600/MAINTAINERS create mode 100644 board/technologic/ts4600/Makefile create mode 100644 board/technologic/ts4600/iomux.c create mode 100644 board/technologic/ts4600/ts4600.c (limited to 'board/technologic') diff --git a/board/technologic/ts4600/Kconfig b/board/technologic/ts4600/Kconfig new file mode 100644 index 00000000000..d0dc2e1b734 --- /dev/null +++ b/board/technologic/ts4600/Kconfig @@ -0,0 +1,15 @@ +if TARGET_TS4600 + +config SYS_BOARD + default "ts4600" + +config SYS_VENDOR + default "technologic" + +config SYS_SOC + default "mxs" + +config SYS_CONFIG_NAME + default "ts4600" + +endif diff --git a/board/technologic/ts4600/MAINTAINERS b/board/technologic/ts4600/MAINTAINERS new file mode 100644 index 00000000000..6f683b5995e --- /dev/null +++ b/board/technologic/ts4600/MAINTAINERS @@ -0,0 +1,6 @@ +TS4600 BOARD +M: Sebastien Bourdelin +S: Maintained +F: board/technologic/ts4600/ +F: include/configs/ts4600.h +F: configs/ts4600_defconfig diff --git a/board/technologic/ts4600/Makefile b/board/technologic/ts4600/Makefile new file mode 100644 index 00000000000..faa29705829 --- /dev/null +++ b/board/technologic/ts4600/Makefile @@ -0,0 +1,11 @@ +# +# (C) Copyright 2016 Savoir-faire Linux +# +# SPDX-License-Identifier: GPL-2.0+ +# + +ifndef CONFIG_SPL_BUILD +obj-y := ts4600.o +else +obj-y := iomux.o +endif diff --git a/board/technologic/ts4600/iomux.c b/board/technologic/ts4600/iomux.c new file mode 100644 index 00000000000..1398bbe0ccc --- /dev/null +++ b/board/technologic/ts4600/iomux.c @@ -0,0 +1,149 @@ +/* + * (C) Copyright 2016 Savoir-faire Linux Inc. + * + * Author: Sebastien Bourdelin + * + * Based on work from TS7680 code by: + * Kris Bahnsen + * Mark Featherston + * https://github.com/embeddedarm/u-boot/tree/master/board/technologic/ts7680 + * + * Derived from MX28EVK code by + * Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include +#include +#include + +#define MUX_CONFIG_SSP0 (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP) +#define MUX_CONFIG_EMI (MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_NOPULL) + +const iomux_cfg_t iomux_setup[] = { + /* DUART */ + MX28_PAD_PWM0__DUART_RX, + MX28_PAD_PWM1__DUART_TX, + + /* MMC0 */ + MX28_PAD_SSP0_DATA0__SSP0_D0 | MUX_CONFIG_SSP0, + MX28_PAD_SSP0_DATA1__SSP0_D1 | MUX_CONFIG_SSP0, + MX28_PAD_SSP0_DATA2__SSP0_D2 | MUX_CONFIG_SSP0, + MX28_PAD_SSP0_DATA3__SSP0_D3 | MUX_CONFIG_SSP0, + MX28_PAD_SSP0_CMD__SSP0_CMD | MUX_CONFIG_SSP0, + MX28_PAD_SSP0_SCK__SSP0_SCK | + (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), + + /* MMC0 slot power enable */ + MX28_PAD_PWM3__GPIO_3_28 | + (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + + /* EMI */ + MX28_PAD_EMI_D00__EMI_DATA0 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D01__EMI_DATA1 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D02__EMI_DATA2 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D03__EMI_DATA3 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D04__EMI_DATA4 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D05__EMI_DATA5 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D06__EMI_DATA6 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D07__EMI_DATA7 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D08__EMI_DATA8 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D09__EMI_DATA9 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D10__EMI_DATA10 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D11__EMI_DATA11 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D12__EMI_DATA12 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D13__EMI_DATA13 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D14__EMI_DATA14 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D15__EMI_DATA15 | MUX_CONFIG_EMI, + MX28_PAD_EMI_ODT0__EMI_ODT0 | MUX_CONFIG_EMI, + MX28_PAD_EMI_DQM0__EMI_DQM0 | MUX_CONFIG_EMI, + MX28_PAD_EMI_ODT1__EMI_ODT1 | MUX_CONFIG_EMI, + MX28_PAD_EMI_DQM1__EMI_DQM1 | MUX_CONFIG_EMI, + MX28_PAD_EMI_DDR_OPEN_FB__EMI_DDR_OPEN_FEEDBACK | MUX_CONFIG_EMI, + MX28_PAD_EMI_CLK__EMI_CLK | MUX_CONFIG_EMI, + MX28_PAD_EMI_DQS0__EMI_DQS0 | MUX_CONFIG_EMI, + MX28_PAD_EMI_DQS1__EMI_DQS1 | MUX_CONFIG_EMI, + MX28_PAD_EMI_DDR_OPEN__EMI_DDR_OPEN | MUX_CONFIG_EMI, + MX28_PAD_EMI_A00__EMI_ADDR0 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A01__EMI_ADDR1 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A02__EMI_ADDR2 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A03__EMI_ADDR3 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A04__EMI_ADDR4 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A05__EMI_ADDR5 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A06__EMI_ADDR6 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A07__EMI_ADDR7 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A08__EMI_ADDR8 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A09__EMI_ADDR9 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A10__EMI_ADDR10 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A11__EMI_ADDR11 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A12__EMI_ADDR12 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A13__EMI_ADDR13 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A14__EMI_ADDR14 | MUX_CONFIG_EMI, + MX28_PAD_EMI_BA0__EMI_BA0 | MUX_CONFIG_EMI, + MX28_PAD_EMI_BA1__EMI_BA1 | MUX_CONFIG_EMI, + MX28_PAD_EMI_BA2__EMI_BA2 | MUX_CONFIG_EMI, + MX28_PAD_EMI_CASN__EMI_CASN | MUX_CONFIG_EMI, + MX28_PAD_EMI_RASN__EMI_RASN | MUX_CONFIG_EMI, + MX28_PAD_EMI_WEN__EMI_WEN | MUX_CONFIG_EMI, + MX28_PAD_EMI_CE0N__EMI_CE0N | MUX_CONFIG_EMI, + MX28_PAD_EMI_CE1N__EMI_CE1N | MUX_CONFIG_EMI, + MX28_PAD_EMI_CKE__EMI_CKE | MUX_CONFIG_EMI, + + /* I2C */ + MX28_PAD_I2C0_SCL__I2C0_SCL, + MX28_PAD_I2C0_SDA__I2C0_SDA, + +}; + +#define HW_DRAM_CTL29 (0x74 >> 2) +#define CS_MAP 0xf +#define COLUMN_SIZE 0x2 +#define ADDR_PINS 0x1 +#define APREBIT 0xa + +#define HW_DRAM_CTL29_CONFIG (CS_MAP << 24 | COLUMN_SIZE << 16 | \ + ADDR_PINS << 8 | APREBIT) + +#define HW_DRAM_CTL39 (0x9c >> 2) +#define TFAW 0xb +#define TDLL 0xc8 + +#define HW_DRAM_CTL39_CONFIG (TFAW << 24 | TDLL) + +#define HW_DRAM_CTL41 (0xa4 >> 2) +#define TPDEX 0x2 +#define TRCD_INT 0x4 +#define TRC 0xd + +#define HW_DRAM_CTL41_CONFIG (TPDEX << 24 | TRCD_INT << 8 | TRC) + +#define HW_DRAM_CTL42 (0xa8 >> 2) +#define TRAS_MAX 0x36a6 +#define TRAS_MIN 0xa + +#define HW_DRAM_CTL42_CONFIG (TRAS_MAX << 8 | TRAS_MIN) + +#define HW_DRAM_CTL43 (0xac >> 2) +#define TRP 0x4 +#define TRFC 0x27 +#define TREF 0x2a0 + +#define HW_DRAM_CTL43_CONFIG (TRP << 24 | TRFC << 16 | TREF) + +void mxs_adjust_memory_params(uint32_t *dram_vals) +{ + dram_vals[HW_DRAM_CTL29] = HW_DRAM_CTL29_CONFIG; + dram_vals[HW_DRAM_CTL39] = HW_DRAM_CTL39_CONFIG; + dram_vals[HW_DRAM_CTL41] = HW_DRAM_CTL41_CONFIG; + dram_vals[HW_DRAM_CTL42] = HW_DRAM_CTL42_CONFIG; + dram_vals[HW_DRAM_CTL43] = HW_DRAM_CTL43_CONFIG; +} + +void board_init_ll(const uint32_t arg, const uint32_t *resptr) +{ + mxs_common_spl_init(arg, resptr, iomux_setup, ARRAY_SIZE(iomux_setup)); +} diff --git a/board/technologic/ts4600/ts4600.c b/board/technologic/ts4600/ts4600.c new file mode 100644 index 00000000000..70dfeadbccd --- /dev/null +++ b/board/technologic/ts4600/ts4600.c @@ -0,0 +1,89 @@ +/* + * (C) Copyright 2016 Savoir-faire Linux Inc. + * + * Author: Sebastien Bourdelin + * + * Based on work from TS7680 code by: + * Kris Bahnsen + * Mark Featherston + * https://github.com/embeddedarm/u-boot/tree/master/board/technologic/ts7680 + * + * Derived from MX28EVK code by + * Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +int board_early_init_f(void) +{ + /* IO0 clock at 480MHz */ + mxs_set_ioclk(MXC_IOCLK0, 480000); + /* IO1 clock at 480MHz */ + mxs_set_ioclk(MXC_IOCLK1, 480000); + + /* SSP0 clocks at 96MHz */ + mxs_set_sspclk(MXC_SSPCLK0, 96000, 0); + + return 0; +} + +int dram_init(void) +{ + return mxs_dram_init(); +} + +int board_init(void) +{ + /* Adress of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; + + return 0; +} + +#ifdef CONFIG_CMD_MMC +static int ts4600_mmc_cd(int id) +{ + return 1; +} + +int board_mmc_init(bd_t *bis) +{ + int ret; + + mxs_iomux_setup_pad(MX28_PAD_PWM3__GPIO_3_28); + + /* Power-on SD */ + gpio_direction_output(MX28_PAD_PWM3__GPIO_3_28, 1); + udelay(1000); + gpio_direction_output(MX28_PAD_PWM3__GPIO_3_28, 0); + + /* SD card */ + ret = mxsmmc_initialize(bis, 0, NULL, ts4600_mmc_cd); + if(ret != 0) { + printf("SD controller initialized with %d\n", ret); + } + + return ret; +} +#endif + +int checkboard(void) +{ + puts("Board: TS4600\n"); + + return 0; +} -- cgit v1.2.3