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| author | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2013-09-04 14:06:56 +0200 | 
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2013-09-04 14:06:56 +0200 | 
| commit | e62d5fb0da76ef168e90cae9bbbda80349aaf137 (patch) | |
| tree | b5c338d17f0633b7ec2e27d4d8b82dcf153a5281 /board/siemens/rut/board.c | |
| parent | 4eef93da262048eb1118e726b3ec5b8ebd3c6c91 (diff) | |
| parent | 901ce27c6f018992b7dd6c08d3c98cf217cc4c96 (diff) | |
| download | olio-uboot-2014.01-e62d5fb0da76ef168e90cae9bbbda80349aaf137.tar.xz olio-uboot-2014.01-e62d5fb0da76ef168e90cae9bbbda80349aaf137.zip | |
Merge branch 'u-boot-ti/master' into 'u-boot-arm/master'
Diffstat (limited to 'board/siemens/rut/board.c')
| -rw-r--r-- | board/siemens/rut/board.c | 432 | 
1 files changed, 432 insertions, 0 deletions
| diff --git a/board/siemens/rut/board.c b/board/siemens/rut/board.c new file mode 100644 index 000000000..f2b047681 --- /dev/null +++ b/board/siemens/rut/board.c @@ -0,0 +1,432 @@ +/* + * Board functions for TI AM335X based rut board + * (C) Copyright 2013 Siemens Schweiz AG + * (C) Heiko Schocher, DENX Software Engineering, hs@denx.de. + * + * Based on: + * u-boot:/board/ti/am335x/board.c + * + * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/ + * + * SPDX-License-Identifier:	GPL-2.0+ + */ + +#include <common.h> +#include <errno.h> +#include <spi.h> +#include <spl.h> +#include <asm/arch/cpu.h> +#include <asm/arch/hardware.h> +#include <asm/arch/omap.h> +#include <asm/arch/ddr_defs.h> +#include <asm/arch/clock.h> +#include <asm/arch/gpio.h> +#include <asm/arch/mmc_host_def.h> +#include <asm/arch/sys_proto.h> +#include <asm/io.h> +#include <asm/emif.h> +#include <asm/gpio.h> +#include <i2c.h> +#include <miiphy.h> +#include <cpsw.h> +#include <video.h> +#include <watchdog.h> +#include "board.h" +#include "../common/factoryset.h" +#include "../../../drivers/video/da8xx-fb.h" + +DECLARE_GLOBAL_DATA_PTR; + +/* + * Read header information from EEPROM into global structure. + */ +static int read_eeprom(void) +{ +	return 0; +} + +#ifdef CONFIG_SPL_BUILD +static void board_init_ddr(void) +{ +struct emif_regs rut_ddr3_emif_reg_data = { +	.sdram_config = 0x61C04AB2, +	.sdram_tim1 = 0x0888A39B, +	.sdram_tim2 = 0x26337FDA, +	.sdram_tim3 = 0x501F830F, +	.emif_ddr_phy_ctlr_1 = 0x6, +	.zq_config = 0x50074BE4, +	.ref_ctrl = 0x93B, +}; + +struct ddr_data rut_ddr3_data = { +	.datardsratio0 = 0x3b, +	.datawdsratio0 = 0x85, +	.datafwsratio0 = 0x100, +	.datawrsratio0 = 0xc1, +	.datauserank0delay = 1, +	.datadldiff0 = PHY_DLL_LOCK_DIFF, +}; + +struct cmd_control rut_ddr3_cmd_ctrl_data = { +	.cmd0csratio = 0x40, +	.cmd0dldiff = 0, +	.cmd0iclkout = 1, +	.cmd1csratio = 0x40, +	.cmd1dldiff = 0, +	.cmd1iclkout = 1, +	.cmd2csratio = 0x40, +	.cmd2dldiff = 0, +	.cmd2iclkout = 1, +}; + +	config_ddr(DDR_PLL_FREQ, RUT_IOCTRL_VAL, &rut_ddr3_data, +		   &rut_ddr3_cmd_ctrl_data, &rut_ddr3_emif_reg_data, 0); +} + +static void spl_siemens_board_init(void) +{ +	return; +} +#endif /* if def CONFIG_SPL_BUILD */ + +#if defined(CONFIG_DRIVER_TI_CPSW) +static void cpsw_control(int enabled) +{ +	/* VTP can be added here */ + +	return; +} + +static struct cpsw_slave_data cpsw_slaves[] = { +	{ +		.slave_reg_ofs	= 0x208, +		.sliver_reg_ofs	= 0xd80, +		.phy_id		= 1, +		.phy_if		= PHY_INTERFACE_MODE_RMII, +	}, +	{ +		.slave_reg_ofs	= 0x308, +		.sliver_reg_ofs	= 0xdc0, +		.phy_id		= 0, +		.phy_if		= PHY_INTERFACE_MODE_RMII, +	}, +}; + +static struct cpsw_platform_data cpsw_data = { +	.mdio_base		= CPSW_MDIO_BASE, +	.cpsw_base		= CPSW_BASE, +	.mdio_div		= 0xff, +	.channels		= 8, +	.cpdma_reg_ofs		= 0x800, +	.slaves			= 1, +	.slave_data		= cpsw_slaves, +	.ale_reg_ofs		= 0xd00, +	.ale_entries		= 1024, +	.host_port_reg_ofs	= 0x108, +	.hw_stats_reg_ofs	= 0x900, +	.bd_ram_ofs		= 0x2000, +	.mac_control		= (1 << 5), +	.control		= cpsw_control, +	.host_port_num		= 0, +	.version		= CPSW_CTRL_VERSION_2, +}; + +#if defined(CONFIG_DRIVER_TI_CPSW) || \ +	(defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET)) +int board_eth_init(bd_t *bis) +{ +	struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE; +	int n = 0; +	int rv; + +#ifndef CONFIG_SPL_BUILD +	factoryset_setenv(); +#endif + +	/* Set rgmii mode and enable rmii clock to be sourced from chip */ +	writel((RMII_MODE_ENABLE | RMII_CHIPCKL_ENABLE), &cdev->miisel); + +	rv = cpsw_register(&cpsw_data); +	if (rv < 0) +		printf("Error %d registering CPSW switch\n", rv); +	else +		n += rv; +	return n; +} +#endif /* #if defined(CONFIG_DRIVER_TI_CPSW) */ +#endif /* #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) */ + +#if defined(CONFIG_HW_WATCHDOG) +static bool hw_watchdog_init_done; +static int  hw_watchdog_trigger_level; + +void hw_watchdog_reset(void) +{ +	if (!hw_watchdog_init_done) +		return; + +	hw_watchdog_trigger_level = hw_watchdog_trigger_level ? 0 : 1; +	gpio_set_value(WATCHDOG_TRIGGER_GPIO, hw_watchdog_trigger_level); +} + +void hw_watchdog_init(void) +{ +	gpio_request(WATCHDOG_TRIGGER_GPIO, "watchdog_trigger"); +	gpio_direction_output(WATCHDOG_TRIGGER_GPIO, hw_watchdog_trigger_level); + +	hw_watchdog_reset(); + +	hw_watchdog_init_done = 1; +} +#endif /* defined(CONFIG_HW_WATCHDOG) */ + +#if defined(CONFIG_VIDEO) && !defined(CONFIG_SPL_BUILD) +static struct da8xx_panel lcd_panels[] = { +	/* FORMIKE, 4.3", 480x800, KWH043MC17-F01 */ +	[0] = { +		.name   = "KWH043MC17-F01", +		.width  = 480, +		.height = 800, +		.hfp = 50,              /* no spec, "don't care" values */ +		.hbp = 50, +		.hsw = 50, +		.vfp = 50, +		.vbp = 50, +		.vsw = 50, +		.pxl_clk = 35910000,    /* tCYCD=20ns, max 50MHz, 60fps */ +		.invert_pxl_clk = 1, +	}, +	/* FORMIKE, 4.3", 480x800, KWH043ST20-F01 */ +	[1] = { +		.name   = "KWH043ST20-F01", +		.width  = 480, +		.height = 800, +		.hfp = 50,              /* no spec, "don't care" values */ +		.hbp = 50, +		.hsw = 50, +		.vfp = 50, +		.vbp = 50, +		.vsw = 50, +		.pxl_clk = 35910000,    /* tCYCD=20ns, max 50MHz, 60fps */ +		.invert_pxl_clk = 1, +	}, +	/* Multi-Inno, 4.3", 480x800, MI0430VT-1 */ +	[2] = { +		.name   = "MI0430VT-1", +		.width  = 480, +		.height = 800, +		.hfp = 50,              /* no spec, "don't care" values */ +		.hbp = 50, +		.hsw = 50, +		.vfp = 50, +		.vbp = 50, +		.vsw = 50, +		.pxl_clk = 35910000,    /* tCYCD=20ns, max 50MHz, 60fps */ +		.invert_pxl_clk = 1, +	}, +}; + +static const struct display_panel disp_panels[] = { +	[0] = { +		WVGA, +		16,	/* RGB 888 */ +		16, +		COLOR_ACTIVE, +	}, +	[1] = { +		WVGA, +		16,	/* RGB 888 */ +		16, +		COLOR_ACTIVE, +	}, +	[2] = { +		WVGA, +		24,	/* RGB 888 */ +		16, +		COLOR_ACTIVE, +	}, +}; + +static const struct lcd_ctrl_config lcd_cfgs[] = { +	[0] = { +		&disp_panels[0], +		.ac_bias		= 255, +		.ac_bias_intrpt		= 0, +		.dma_burst_sz		= 16, +		.bpp			= 16, +		.fdd			= 0x80, +		.tft_alt_mode		= 0, +		.stn_565_mode		= 0, +		.mono_8bit_mode		= 0, +		.invert_line_clock	= 1, +		.invert_frm_clock	= 1, +		.sync_edge		= 0, +		.sync_ctrl		= 1, +		.raster_order		= 0, +	}, +	[1] = { +		&disp_panels[1], +		.ac_bias		= 255, +		.ac_bias_intrpt		= 0, +		.dma_burst_sz		= 16, +		.bpp			= 16, +		.fdd			= 0x80, +		.tft_alt_mode		= 0, +		.stn_565_mode		= 0, +		.mono_8bit_mode		= 0, +		.invert_line_clock	= 1, +		.invert_frm_clock	= 1, +		.sync_edge		= 0, +		.sync_ctrl		= 1, +		.raster_order		= 0, +	}, +	[2] = { +		&disp_panels[2], +		.ac_bias		= 255, +		.ac_bias_intrpt		= 0, +		.dma_burst_sz		= 16, +		.bpp			= 24, +		.fdd			= 0x80, +		.tft_alt_mode		= 0, +		.stn_565_mode		= 0, +		.mono_8bit_mode		= 0, +		.invert_line_clock	= 1, +		.invert_frm_clock	= 1, +		.sync_edge		= 0, +		.sync_ctrl		= 1, +		.raster_order		= 0, +	}, + +}; + +/* no console on this board */ +int board_cfb_skip(void) +{ +	return 1; +} + +#define PLL_GET_M(v) ((v >> 8) & 0x7ff) +#define PLL_GET_N(v) (v & 0x7f) + +static struct dpll_regs dpll_lcd_regs = { +	.cm_clkmode_dpll = CM_WKUP + 0x98, +	.cm_idlest_dpll = CM_WKUP + 0x48, +	.cm_clksel_dpll = CM_WKUP + 0x54, +}; + +static int get_clk(struct dpll_regs *dpll_regs) +{ +	unsigned int val; +	unsigned int m, n; +	int f = 0; + +	val = readl(dpll_regs->cm_clksel_dpll); +	m = PLL_GET_M(val); +	n = PLL_GET_N(val); +	f = (m * V_OSCK) / n; + +	return f; +}; + + + +int clk_get(int clk) +{ +	return get_clk(&dpll_lcd_regs); +}; + +static int conf_disp_pll(int m, int n) +{ +	struct cm_perpll *cmper = (struct cm_perpll *)CM_PER; +	struct cm_dpll *cmdpll = (struct cm_dpll *)CM_DPLL; +	struct dpll_params dpll_lcd = {m, n, -1, -1, -1, -1, -1}; +#if defined(DISPL_PLL_SPREAD_SPECTRUM) +	struct cm_wkuppll *cmwkup = (struct cm_wkuppll *)CM_WKUP; +#endif + +	u32 *const clk_domains[] = { +		&cmper->lcdclkctrl, +		0 +	}; +	u32 *const clk_modules_explicit_en[] = { +		&cmper->lcdclkctrl, +		&cmper->lcdcclkstctrl, +		&cmper->spi1clkctrl, +		0 +	}; +	do_enable_clocks(clk_domains, clk_modules_explicit_en, 1); +	/* 0x44e0_0500 write lcdc pixel clock mux Linux hat hier 0 */ +	writel(0x0, &cmdpll->clklcdcpixelclk); + +	do_setup_dpll(&dpll_lcd_regs, &dpll_lcd); + +#if defined(DISPL_PLL_SPREAD_SPECTRUM) +	writel(0x64, &cmwkup->resv6[3]); /* 0x50 */ +	writel(0x800, &cmwkup->resv6[2]); /* 0x4c */ +	writel(readl(&cmwkup->clkmoddplldisp) | (1 << 12), +	       &cmwkup->clkmoddplldisp); /* 0x98 */ +#endif +	return 0; +} + +static int set_gpio(int gpio, int state) +{ +	gpio_request(gpio, "temp"); +	gpio_direction_output(gpio, state); +	gpio_set_value(gpio, state); +	gpio_free(gpio); +	return 0; +} + +static int enable_lcd(void) +{ +	unsigned char buf[1]; + +	set_gpio(BOARD_LCD_RESET, 1); + +	/* spi lcd init */ +	kwh043st20_f01_spi_startup(1, 0, 5000000, SPI_MODE_3); + +	/* backlight on */ +	buf[0] = 0xf; +	i2c_write(0x24, 0x7, 1, buf, 1); +	buf[0] = 0x3f; +	i2c_write(0x24, 0x8, 1, buf, 1); +	return 0; +} + +int arch_early_init_r(void) +{ +	enable_lcd(); +	return 0; +} + +static int board_video_init(void) +{ +	int i; +	int anzdisp = ARRAY_SIZE(lcd_panels); +	int display = 1; + +	for (i = 0; i < anzdisp; i++) { +		if (strncmp((const char *)factory_dat.disp_name, +			    lcd_panels[i].name, +		    strlen((const char *)factory_dat.disp_name)) == 0) { +			printf("DISPLAY: %s\n", factory_dat.disp_name); +			break; +		} +	} +	if (i == anzdisp) { +		i = 1; +		printf("%s: %s not found, using default %s\n", __func__, +		       factory_dat.disp_name, lcd_panels[i].name); +	} +	conf_disp_pll(25, 2); +	da8xx_video_init(&lcd_panels[display], &lcd_cfgs[display], +			 lcd_cfgs[display].bpp); + +	return 0; +} + + +#endif /* ifdef CONFIG_VIDEO */ +#include "../common/board.c" |