diff options
Diffstat (limited to 'board/sandisk/sansa_fuze_plus/sfp.c')
| -rw-r--r-- | board/sandisk/sansa_fuze_plus/sfp.c | 391 |
1 files changed, 0 insertions, 391 deletions
diff --git a/board/sandisk/sansa_fuze_plus/sfp.c b/board/sandisk/sansa_fuze_plus/sfp.c deleted file mode 100644 index f46b02e38e..0000000000 --- a/board/sandisk/sansa_fuze_plus/sfp.c +++ /dev/null @@ -1,391 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * SanDisk Sansa Fuze Plus board - * - * Copyright (C) 2013 Marek Vasut <marex@denx.de> - * - * Hardware investigation done by: - * - * Amaury Pouly <amaury.pouly@gmail.com> - */ - -#include <common.h> -#include <errno.h> -#include <init.h> -#include <net.h> -#include <asm/global_data.h> -#include <asm/gpio.h> -#include <asm/io.h> -#include <asm/arch/iomux-mx23.h> -#include <asm/arch/imx-regs.h> -#include <asm/arch/clock.h> -#include <asm/arch/sys_proto.h> -#include <linux/delay.h> - -DECLARE_GLOBAL_DATA_PTR; - -/* - * Functions - */ -int board_early_init_f(void) -{ - /* IO0 clock at 480MHz */ - mxs_set_ioclk(MXC_IOCLK0, 480000); - - /* SSP0 clock at 96MHz */ - mxs_set_sspclk(MXC_SSPCLK0, 96000, 0); - - return 0; -} - -int dram_init(void) -{ - return mxs_dram_init(); -} - -#ifdef CONFIG_CMD_MMC -static int xfi3_mmc_cd(int id) -{ - switch (id) { - case 0: - /* The SSP_DETECT is inverted on this board. */ - return gpio_get_value(MX23_PAD_SSP1_DETECT__GPIO_2_1); - case 1: - /* Internal eMMC always present */ - return 1; - default: - return 0; - } -} - -int board_mmc_init(struct bd_info *bis) -{ - int ret; - - /* MicroSD slot */ - gpio_direction_input(MX23_PAD_SSP1_DETECT__GPIO_2_1); - gpio_direction_output(MX23_PAD_GPMI_D08__GPIO_0_8, 0); - ret = mxsmmc_initialize(bis, 0, NULL, xfi3_mmc_cd); - if (ret) - return ret; - - /* Internal eMMC */ - gpio_direction_output(MX23_PAD_PWM3__GPIO_1_29, 0); - ret = mxsmmc_initialize(bis, 1, NULL, xfi3_mmc_cd); - - return ret; -} -#endif - -#ifdef CONFIG_VIDEO_MXS -#define MUX_CONFIG_LCD (MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_NOPULL) -const iomux_cfg_t iomux_lcd_gpio[] = { - MX23_PAD_LCD_D00__GPIO_1_0 | MUX_CONFIG_LCD, - MX23_PAD_LCD_D01__GPIO_1_1 | MUX_CONFIG_LCD, - MX23_PAD_LCD_D02__GPIO_1_2 | MUX_CONFIG_LCD, - MX23_PAD_LCD_D03__GPIO_1_3 | MUX_CONFIG_LCD, - MX23_PAD_LCD_D04__GPIO_1_4 | MUX_CONFIG_LCD, - MX23_PAD_LCD_D05__GPIO_1_5 | MUX_CONFIG_LCD, - MX23_PAD_LCD_D06__GPIO_1_6 | MUX_CONFIG_LCD, - MX23_PAD_LCD_D07__GPIO_1_7 | MUX_CONFIG_LCD, - MX23_PAD_LCD_D08__GPIO_1_8 | MUX_CONFIG_LCD, - MX23_PAD_LCD_D09__GPIO_1_9 | MUX_CONFIG_LCD, - MX23_PAD_LCD_D10__GPIO_1_10 | MUX_CONFIG_LCD, - MX23_PAD_LCD_D11__GPIO_1_11 | MUX_CONFIG_LCD, - MX23_PAD_LCD_D12__GPIO_1_12 | MUX_CONFIG_LCD, - MX23_PAD_LCD_D13__GPIO_1_13 | MUX_CONFIG_LCD, - MX23_PAD_LCD_D14__GPIO_1_14 | MUX_CONFIG_LCD, - MX23_PAD_LCD_D15__GPIO_1_15 | MUX_CONFIG_LCD, - MX23_PAD_LCD_D16__GPIO_1_16 | MUX_CONFIG_LCD, - MX23_PAD_LCD_D17__GPIO_1_17 | MUX_CONFIG_LCD, - MX23_PAD_LCD_RESET__GPIO_1_18 | MUX_CONFIG_LCD, - MX23_PAD_LCD_RS__GPIO_1_19 | MUX_CONFIG_LCD, - MX23_PAD_LCD_WR__GPIO_1_20 | MUX_CONFIG_LCD, - MX23_PAD_LCD_CS__GPIO_1_21 | MUX_CONFIG_LCD, - MX23_PAD_LCD_ENABLE__GPIO_1_23 | MUX_CONFIG_LCD, -}; - -const iomux_cfg_t iomux_lcd_lcd[] = { - MX23_PAD_LCD_D00__LCD_D00 | MUX_CONFIG_LCD, - MX23_PAD_LCD_D01__LCD_D01 | MUX_CONFIG_LCD, - MX23_PAD_LCD_D02__LCD_D02 | MUX_CONFIG_LCD, - MX23_PAD_LCD_D03__LCD_D03 | MUX_CONFIG_LCD, - MX23_PAD_LCD_D04__LCD_D04 | MUX_CONFIG_LCD, - MX23_PAD_LCD_D05__LCD_D05 | MUX_CONFIG_LCD, - MX23_PAD_LCD_D06__LCD_D06 | MUX_CONFIG_LCD, - MX23_PAD_LCD_D07__LCD_D07 | MUX_CONFIG_LCD, - MX23_PAD_LCD_D08__LCD_D08 | MUX_CONFIG_LCD, - MX23_PAD_LCD_D09__LCD_D09 | MUX_CONFIG_LCD, - MX23_PAD_LCD_D10__LCD_D10 | MUX_CONFIG_LCD, - MX23_PAD_LCD_D11__LCD_D11 | MUX_CONFIG_LCD, - MX23_PAD_LCD_D12__LCD_D12 | MUX_CONFIG_LCD, - MX23_PAD_LCD_D13__LCD_D13 | MUX_CONFIG_LCD, - MX23_PAD_LCD_D14__LCD_D14 | MUX_CONFIG_LCD, - MX23_PAD_LCD_D15__LCD_D15 | MUX_CONFIG_LCD, - MX23_PAD_LCD_D16__LCD_D16 | MUX_CONFIG_LCD, - MX23_PAD_LCD_D17__LCD_D17 | MUX_CONFIG_LCD, - MX23_PAD_LCD_RESET__LCD_RESET | MUX_CONFIG_LCD, - MX23_PAD_LCD_RS__LCD_RS | MUX_CONFIG_LCD, - MX23_PAD_LCD_WR__LCD_WR | MUX_CONFIG_LCD, - MX23_PAD_LCD_CS__LCD_CS | MUX_CONFIG_LCD, - MX23_PAD_LCD_ENABLE__LCD_ENABLE | MUX_CONFIG_LCD, - MX23_PAD_LCD_VSYNC__LCD_VSYNC | MUX_CONFIG_LCD, -}; - -static int mxsfb_read_register(uint32_t reg, uint32_t *value) -{ - iomux_cfg_t mux; - uint32_t val = 0; - int i; - - /* Mangle the register offset. */ - reg = ((reg & 0xff) << 1) | (((reg >> 8) & 0xff) << 10); - - /* - * The SmartLCD interface on MX233 can only do WRITE operation - * via the LCDIF controller. Implement the READ operation by - * fiddling with bits. - */ - mxs_iomux_setup_multiple_pads(iomux_lcd_gpio, - ARRAY_SIZE(iomux_lcd_gpio)); - - gpio_direction_output(MX23_PAD_LCD_RS__GPIO_1_19, 1); - gpio_direction_output(MX23_PAD_LCD_CS__GPIO_1_21, 1); - gpio_direction_output(MX23_PAD_LCD_WR__GPIO_1_20, 1); - gpio_direction_output(MX23_PAD_LCD_ENABLE__GPIO_1_23, 1); - - for (i = 0; i < 18; i++) { - mux = MXS_IOMUX_PAD_NAKED(1, i, PAD_MUXSEL_GPIO); - gpio_direction_output(mux, 0); - } - - udelay(2); - gpio_direction_output(MX23_PAD_LCD_RS__GPIO_1_19, 0); - udelay(1); - gpio_direction_output(MX23_PAD_LCD_CS__GPIO_1_21, 0); - udelay(1); - gpio_direction_output(MX23_PAD_LCD_WR__GPIO_1_20, 0); - udelay(1); - - for (i = 0; i < 18; i++) { - mux = MXS_IOMUX_PAD_NAKED(1, i, PAD_MUXSEL_GPIO); - gpio_direction_output(mux, (reg >> i) & 1); - } - udelay(1); - - gpio_direction_output(MX23_PAD_LCD_WR__GPIO_1_20, 1); - udelay(3); - - for (i = 0; i < 18; i++) { - mux = MXS_IOMUX_PAD_NAKED(1, i, PAD_MUXSEL_GPIO); - gpio_direction_input(mux); - } - udelay(2); - - gpio_direction_output(MX23_PAD_LCD_ENABLE__GPIO_1_23, 0); - udelay(1); - gpio_direction_output(MX23_PAD_LCD_RS__GPIO_1_19, 1); - udelay(1); - gpio_direction_output(MX23_PAD_LCD_ENABLE__GPIO_1_23, 1); - udelay(3); - gpio_direction_output(MX23_PAD_LCD_ENABLE__GPIO_1_23, 0); - udelay(2); - - for (i = 0; i < 18; i++) { - mux = MXS_IOMUX_PAD_NAKED(1, i, PAD_MUXSEL_GPIO); - val |= !!gpio_get_value(mux) << i; - } - udelay(1); - - gpio_direction_output(MX23_PAD_LCD_ENABLE__GPIO_1_23, 1); - udelay(1); - gpio_direction_output(MX23_PAD_LCD_CS__GPIO_1_21, 1); - udelay(1); - - mxs_iomux_setup_multiple_pads(iomux_lcd_lcd, - ARRAY_SIZE(iomux_lcd_lcd)); - - /* Demangle the register value. */ - *value = ((val >> 1) & 0xff) | ((val >> 2) & 0xff00); - - writel(val, 0x2000); - return 0; -} - -static int mxsfb_write_byte(uint32_t payload, const unsigned int data) -{ - struct mxs_lcdif_regs *regs = (struct mxs_lcdif_regs *)MXS_LCDIF_BASE; - const unsigned int timeout = 0x10000; - - /* What is going on here I do not know. FIXME */ - payload = ((payload & 0xff) << 1) | (((payload >> 8) & 0xff) << 10); - - if (mxs_wait_mask_clr(®s->hw_lcdif_ctrl_reg, LCDIF_CTRL_RUN, - timeout)) - return -ETIMEDOUT; - - writel((1 << LCDIF_TRANSFER_COUNT_V_COUNT_OFFSET) | - (1 << LCDIF_TRANSFER_COUNT_H_COUNT_OFFSET), - ®s->hw_lcdif_transfer_count); - - writel(LCDIF_CTRL_DATA_SELECT | LCDIF_CTRL_RUN, - ®s->hw_lcdif_ctrl_clr); - - if (data) - writel(LCDIF_CTRL_DATA_SELECT, ®s->hw_lcdif_ctrl_set); - - writel(LCDIF_CTRL_RUN, ®s->hw_lcdif_ctrl_set); - - if (mxs_wait_mask_clr(®s->hw_lcdif_lcdif_stat_reg, 1 << 29, - timeout)) - return -ETIMEDOUT; - - writel(payload, ®s->hw_lcdif_data); - return mxs_wait_mask_clr(®s->hw_lcdif_ctrl_reg, LCDIF_CTRL_RUN, - timeout); -} - -static void mxsfb_write_register(uint32_t reg, uint32_t data) -{ - mxsfb_write_byte(reg, 0); - mxsfb_write_byte(data, 1); -} - -static const struct { - uint8_t reg; - uint8_t delay; - uint16_t val; -} lcd_regs[] = { - { 0xe5, 0 , 0x78f0 }, - { 0xe3, 0 , 0x3008 }, - { 0xe7, 0 , 0x0012 }, - { 0xef, 0 , 0x1231 }, - { 0x00, 0 , 0x0001 }, - { 0x01, 0 , 0x0100 }, - { 0x02, 0 , 0x0700 }, - { 0x03, 0 , 0x1030 }, - { 0x04, 0 , 0x0000 }, - { 0x08, 0 , 0x0207 }, - { 0x09, 0 , 0x0000 }, - { 0x0a, 0 , 0x0000 }, - { 0x0c, 0 , 0x0000 }, - { 0x0d, 0 , 0x0000 }, - { 0x0f, 0 , 0x0000 }, - { 0x10, 0 , 0x0000 }, - { 0x11, 0 , 0x0007 }, - { 0x12, 0 , 0x0000 }, - { 0x13, 20 , 0x0000 }, - /* Wait 20 mS here. */ - { 0x10, 0 , 0x1290 }, - { 0x11, 50 , 0x0007 }, - /* Wait 50 mS here. */ - { 0x12, 50 , 0x0019 }, - /* Wait 50 mS here. */ - { 0x13, 0 , 0x1700 }, - { 0x29, 50 , 0x0014 }, - /* Wait 50 mS here. */ - { 0x20, 0 , 0x0000 }, - { 0x21, 0 , 0x0000 }, - { 0x30, 0 , 0x0504 }, - { 0x31, 0 , 0x0007 }, - { 0x32, 0 , 0x0006 }, - { 0x35, 0 , 0x0106 }, - { 0x36, 0 , 0x0202 }, - { 0x37, 0 , 0x0504 }, - { 0x38, 0 , 0x0500 }, - { 0x39, 0 , 0x0706 }, - { 0x3c, 0 , 0x0204 }, - { 0x3d, 0 , 0x0202 }, - { 0x50, 0 , 0x0000 }, - { 0x51, 0 , 0x00ef }, - { 0x52, 0 , 0x0000 }, - { 0x53, 0 , 0x013f }, - { 0x60, 0 , 0xa700 }, - { 0x61, 0 , 0x0001 }, - { 0x6a, 0 , 0x0000 }, - { 0x2b, 50 , 0x000d }, - /* Wait 50 mS here. */ - { 0x90, 0 , 0x0011 }, - { 0x92, 0 , 0x0600 }, - { 0x93, 0 , 0x0003 }, - { 0x95, 0 , 0x0110 }, - { 0x97, 0 , 0x0000 }, - { 0x98, 0 , 0x0000 }, - { 0x07, 0 , 0x0173 }, -}; - -void board_mxsfb_system_setup(void) -{ - struct mxs_lcdif_regs *regs = (struct mxs_lcdif_regs *)MXS_LCDIF_BASE; - uint32_t id; - int i; - - /* Switch the LCDIF into System-Mode */ - writel(LCDIF_CTRL_LCDIF_MASTER | LCDIF_CTRL_DOTCLK_MODE | - LCDIF_CTRL_BYPASS_COUNT, ®s->hw_lcdif_ctrl_clr); - - /* To program the LCD, switch to 18bit bus + 18bit data. */ - clrsetbits_le32(®s->hw_lcdif_ctrl, - LCDIF_CTRL_WORD_LENGTH_MASK | LCDIF_CTRL_LCD_DATABUS_WIDTH_MASK, - LCDIF_CTRL_WORD_LENGTH_18BIT | - LCDIF_CTRL_LCD_DATABUS_WIDTH_18BIT); - - mxsfb_read_register(0, &id); - writel(id, 0x2004); - - /* Restart the SmartLCD controller */ - mdelay(50); - writel(1, ®s->hw_lcdif_ctrl1_set); - mdelay(50); - writel(1, ®s->hw_lcdif_ctrl1_clr); - mdelay(50); - writel(1, ®s->hw_lcdif_ctrl1_set); - mdelay(50); - - /* Program the SmartLCD controller */ - writel(LCDIF_CTRL1_RECOVER_ON_UNDERFLOW, ®s->hw_lcdif_ctrl1_set); - - writel((0x02 << LCDIF_TIMING_CMD_HOLD_OFFSET) | - (0x02 << LCDIF_TIMING_CMD_SETUP_OFFSET) | - (0x02 << LCDIF_TIMING_DATA_HOLD_OFFSET) | - (0x01 << LCDIF_TIMING_DATA_SETUP_OFFSET), - ®s->hw_lcdif_timing); - - /* - * ILI9325 init and configuration sequence. - */ - for (i = 0; i < ARRAY_SIZE(lcd_regs); i++) { - mxsfb_write_register(lcd_regs[i].reg, lcd_regs[i].val); - if (lcd_regs[i].delay) - mdelay(lcd_regs[i].delay); - } - /* Turn on Framebuffer Upload Mode */ - mxsfb_write_byte(0x22, 0); - - writel(LCDIF_CTRL_LCDIF_MASTER | LCDIF_CTRL_DATA_SELECT, - ®s->hw_lcdif_ctrl_set); - - /* Operate the framebuffer in 16bit mode. */ - clrsetbits_le32(®s->hw_lcdif_ctrl, - LCDIF_CTRL_WORD_LENGTH_MASK | LCDIF_CTRL_LCD_DATABUS_WIDTH_MASK, - LCDIF_CTRL_WORD_LENGTH_16BIT | - LCDIF_CTRL_LCD_DATABUS_WIDTH_18BIT); -} -#endif - -int board_init(void) -{ - /* Adress of boot parameters */ - gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; - - /* Turn on PWM backlight */ - gpio_direction_output(MX23_PAD_PWM2__GPIO_1_28, 1); - - return 0; -} - -int board_eth_init(struct bd_info *bis) -{ - usb_eth_initialize(bis); - return 0; -} |