diff options
Diffstat (limited to 'board')
26 files changed, 2529 insertions, 43 deletions
diff --git a/board/armadeus/apf27/Makefile b/board/armadeus/apf27/Makefile new file mode 100644 index 0000000000..5fcda6e9cc --- /dev/null +++ b/board/armadeus/apf27/Makefile @@ -0,0 +1,33 @@ +# +# (C) Copyright 2000-2004 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# (C) Copyright 2012-2013 +# Eric Jarrige <eric.jarrige@armadeus.org> +# +# SPDX-License-Identifier: GPL-2.0+ +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).o + +COBJS := apf27.o +SOBJS := lowlevel_init.o +ifdef CONFIG_FPGA +COBJS += fpga.o +endif + +SRCS := $(COBJS:.o=.c) $(SOBJS:.o=.S) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) $(SOBJS) + $(call cmd_link_o_target, $(OBJS) $(SOBJS)) + +######################################################################### + +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/armadeus/apf27/apf27.c b/board/armadeus/apf27/apf27.c new file mode 100644 index 0000000000..30e720d167 --- /dev/null +++ b/board/armadeus/apf27/apf27.c @@ -0,0 +1,256 @@ +/* + * Copyright (C) 2008-2013 Eric Jarrige <eric.jarrige@armadeus.org> + * + * based on the files by + * Sascha Hauer, Pengutronix + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <environment.h> +#include <jffs2/jffs2.h> +#include <nand.h> +#include <netdev.h> +#include <asm/io.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/gpio.h> +#include <asm/gpio.h> +#include <asm/errno.h> +#include "apf27.h" +#include "crc.h" +#include "fpga.h" + +DECLARE_GLOBAL_DATA_PTR; + +/* + * Fuse bank 1 row 8 is "reserved for future use" and therefore available for + * customer use. The APF27 board uses this fuse to store the board revision: + * 0: initial board revision + * 1: first revision - Presence of the second RAM chip on the board is blown in + * fuse bank 1 row 9 bit 0 - No hardware change + * N: to be defined + */ +static u32 get_board_rev(void) +{ + struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE; + + return readl(&iim->bank[1].fuse_regs[8]); +} + +/* + * Fuse bank 1 row 9 is "reserved for future use" and therefore available for + * customer use. The APF27 board revision 1 uses the bit 0 to permanently store + * the presence of the second RAM chip + * 0: AFP27 with 1 RAM of 64 MiB + * 1: AFP27 with 2 RAM chips of 64 MiB each (128MB) + */ +static int get_num_ram_bank(void) +{ + struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE; + int nr_dram_banks = 1; + + if ((get_board_rev() > 0) && (CONFIG_NR_DRAM_BANKS > 1)) + nr_dram_banks += readl(&iim->bank[1].fuse_regs[9]) & 0x01; + else + nr_dram_banks = CONFIG_NR_DRAM_POPULATED; + + return nr_dram_banks; +} + +static void apf27_port_init(int port, u32 gpio_dr, u32 ocr1, u32 ocr2, + u32 iconfa1, u32 iconfa2, u32 iconfb1, u32 iconfb2, + u32 icr1, u32 icr2, u32 imr, u32 gpio_dir, u32 gpr, + u32 puen, u32 gius) +{ + struct gpio_port_regs *regs = (struct gpio_port_regs *)IMX_GPIO_BASE; + + writel(gpio_dr, ®s->port[port].gpio_dr); + writel(ocr1, ®s->port[port].ocr1); + writel(ocr2, ®s->port[port].ocr2); + writel(iconfa1, ®s->port[port].iconfa1); + writel(iconfa2, ®s->port[port].iconfa2); + writel(iconfb1, ®s->port[port].iconfb1); + writel(iconfb2, ®s->port[port].iconfb2); + writel(icr1, ®s->port[port].icr1); + writel(icr2, ®s->port[port].icr2); + writel(imr, ®s->port[port].imr); + writel(gpio_dir, ®s->port[port].gpio_dir); + writel(gpr, ®s->port[port].gpr); + writel(puen, ®s->port[port].puen); + writel(gius, ®s->port[port].gius); +} + +#define APF27_PORT_INIT(n) apf27_port_init(PORT##n, ACFG_DR_##n##_VAL, \ + ACFG_OCR1_##n##_VAL, ACFG_OCR2_##n##_VAL, ACFG_ICFA1_##n##_VAL, \ + ACFG_ICFA2_##n##_VAL, ACFG_ICFB1_##n##_VAL, ACFG_ICFB2_##n##_VAL, \ + ACFG_ICR1_##n##_VAL, ACFG_ICR2_##n##_VAL, ACFG_IMR_##n##_VAL, \ + ACFG_DDIR_##n##_VAL, ACFG_GPR_##n##_VAL, ACFG_PUEN_##n##_VAL, \ + ACFG_GIUS_##n##_VAL) + +static void apf27_iomux_init(void) +{ + APF27_PORT_INIT(A); + APF27_PORT_INIT(B); + APF27_PORT_INIT(C); + APF27_PORT_INIT(D); + APF27_PORT_INIT(E); + APF27_PORT_INIT(F); +} + +static int apf27_devices_init(void) +{ + int i; + unsigned int mode[] = { + PC5_PF_I2C2_DATA, + PC6_PF_I2C2_CLK, + PD17_PF_I2C_DATA, + PD18_PF_I2C_CLK, + }; + + for (i = 0; i < ARRAY_SIZE(mode); i++) + imx_gpio_mode(mode[i]); + +#ifdef CONFIG_MXC_UART + mx27_uart1_init_pins(); +#endif + +#ifdef CONFIG_FEC_MXC + mx27_fec_init_pins(); +#endif + +#ifdef CONFIG_MXC_MMC + mx27_sd2_init_pins(); + imx_gpio_mode((GPIO_PORTF | GPIO_OUT | GPIO_PUEN | GPIO_GPIO | 16)); + gpio_request(PC_PWRON, "pc_pwron"); + gpio_set_value(PC_PWRON, 1); +#endif + return 0; +} + +static void apf27_setup_csx(void) +{ + struct weim_regs *weim = (struct weim_regs *)IMX_WEIM_BASE; + + writel(ACFG_CS0U_VAL, &weim->cs0u); + writel(ACFG_CS0L_VAL, &weim->cs0l); + writel(ACFG_CS0A_VAL, &weim->cs0a); + + writel(ACFG_CS1U_VAL, &weim->cs1u); + writel(ACFG_CS1L_VAL, &weim->cs1l); + writel(ACFG_CS1A_VAL, &weim->cs1a); + + writel(ACFG_CS2U_VAL, &weim->cs2u); + writel(ACFG_CS2L_VAL, &weim->cs2l); + writel(ACFG_CS2A_VAL, &weim->cs2a); + + writel(ACFG_CS3U_VAL, &weim->cs3u); + writel(ACFG_CS3L_VAL, &weim->cs3l); + writel(ACFG_CS3A_VAL, &weim->cs3a); + + writel(ACFG_CS4U_VAL, &weim->cs4u); + writel(ACFG_CS4L_VAL, &weim->cs4l); + writel(ACFG_CS4A_VAL, &weim->cs4a); + + writel(ACFG_CS5U_VAL, &weim->cs5u); + writel(ACFG_CS5L_VAL, &weim->cs5l); + writel(ACFG_CS5A_VAL, &weim->cs5a); + + writel(ACFG_EIM_VAL, &weim->eim); +} + +static void apf27_setup_port(void) +{ + struct system_control_regs *system = + (struct system_control_regs *)IMX_SYSTEM_CTL_BASE; + + writel(ACFG_FMCR_VAL, &system->fmcr); +} + +int board_init(void) +{ + gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; + + apf27_setup_csx(); + apf27_setup_port(); + apf27_iomux_init(); + apf27_devices_init(); +#if defined(CONFIG_FPGA) + APF27_init_fpga(); +#endif + + + return 0; +} + +int dram_init(void) +{ + gd->ram_size = get_ram_size((void *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE); + if (get_num_ram_bank() > 1) + gd->ram_size += get_ram_size((void *)PHYS_SDRAM_2, + PHYS_SDRAM_2_SIZE); + + return 0; +} + +void dram_init_banksize(void) +{ + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[0].size = get_ram_size((void *)PHYS_SDRAM_1, + PHYS_SDRAM_1_SIZE); + gd->bd->bi_dram[1].start = PHYS_SDRAM_2; + if (get_num_ram_bank() > 1) + gd->bd->bi_dram[1].size = get_ram_size((void *)PHYS_SDRAM_2, + PHYS_SDRAM_2_SIZE); + else + gd->bd->bi_dram[1].size = 0; +} + +ulong board_get_usable_ram_top(ulong total_size) +{ + ulong ramtop; + + if (get_num_ram_bank() > 1) + ramtop = PHYS_SDRAM_2 + get_ram_size((void *)PHYS_SDRAM_2, + PHYS_SDRAM_2_SIZE); + else + ramtop = PHYS_SDRAM_1 + get_ram_size((void *)PHYS_SDRAM_1, + PHYS_SDRAM_1_SIZE); + + return ramtop; +} + +int checkboard(void) +{ + printf("Board: Armadeus APF27 revision %d\n", get_board_rev()); + return 0; +} + +#ifdef CONFIG_SPL_BUILD +inline void hang(void) +{ + for (;;) + ; +} + +void board_init_f(ulong bootflag) +{ + /* + * copy ourselves from where we are running to where we were + * linked at. Use ulong pointers as all addresses involved + * are 4-byte-aligned. + */ + ulong *start_ptr, *end_ptr, *link_ptr, *run_ptr, *dst; + asm volatile ("ldr %0, =_start" : "=r"(start_ptr)); + asm volatile ("ldr %0, =_end" : "=r"(end_ptr)); + asm volatile ("ldr %0, =board_init_f" : "=r"(link_ptr)); + asm volatile ("adr %0, board_init_f" : "=r"(run_ptr)); + for (dst = start_ptr; dst < end_ptr; dst++) + *dst = *(dst+(run_ptr-link_ptr)); + + /* + * branch to nand_boot's link-time address. + */ + asm volatile("ldr pc, =nand_boot"); +} +#endif /* CONFIG_SPL_BUILD */ diff --git a/board/armadeus/apf27/apf27.h b/board/armadeus/apf27/apf27.h new file mode 100644 index 0000000000..64e7e4dfbb --- /dev/null +++ b/board/armadeus/apf27/apf27.h @@ -0,0 +1,489 @@ +/* + * Copyright (C) 2008-2013 Eric Jarrige <eric.jarrige@armadeus.org> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __APF27_H +#define __APF27_H + +/* FPGA program pin configuration */ +#define ACFG_FPGA_PWR (GPIO_PORTF | 19) /* FPGA prog pin */ +#define ACFG_FPGA_PRG (GPIO_PORTF | 11) /* FPGA prog pin */ +#define ACFG_FPGA_CLK (GPIO_PORTF | 15) /* FPGA clk pin */ +#define ACFG_FPGA_RDATA 0xD6000000 /* FPGA data addr */ +#define ACFG_FPGA_WDATA 0xD6000000 /* FPGA data addr */ +#define ACFG_FPGA_INIT (GPIO_PORTF | 12) /* FPGA init pin */ +#define ACFG_FPGA_DONE (GPIO_PORTF | 9) /* FPGA done pin */ +#define ACFG_FPGA_RW (GPIO_PORTF | 21) /* FPGA done pin */ +#define ACFG_FPGA_CS (GPIO_PORTF | 22) /* FPGA done pin */ +#define ACFG_FPGA_SUSPEND (GPIO_PORTF | 10) /* FPGA done pin */ +#define ACFG_FPGA_RESET (GPIO_PORTF | 7) /* FPGA done pin */ + +/* MMC pin */ +#define PC_PWRON (GPIO_PORTF | 16) + +/* + * MPU CLOCK source before PLL + * ACFG_CLK_FREQ (2/3 MPLL clock or ext 266 MHZ) + */ +#define ACFG_MPCTL0_VAL 0x01EF15D5 /* 399.000 MHz */ +#define ACFG_MPCTL1_VAL 0 +#define CONFIG_MPLL_FREQ 399 + +#define ACFG_CLK_FREQ (CONFIG_MPLL_FREQ*2/3) /* 266 MHz */ + +/* Serial clock source before PLL (should be named ACFG_SYSPLL_CLK_FREQ)*/ +#define ACFG_SPCTL0_VAL 0x0475206F /* 299.99937 MHz */ +#define ACFG_SPCTL1_VAL 0 +#define CONFIG_SPLL_FREQ 300 /* MHz */ + +/* ARM bus frequency (have to be a CONFIG_MPLL_FREQ ratio) */ +#define CONFIG_ARM_FREQ 399 /* up to 400 MHz */ + +/* external bus frequency (have to be a ACFG_CLK_FREQ ratio) */ +#define CONFIG_HCLK_FREQ 133 /* (ACFG_CLK_FREQ/2) */ + +#define CONFIG_PERIF1_FREQ 16 /* 16.625 MHz UART, GPT, PWM */ +#define CONFIG_PERIF2_FREQ 33 /* 33.25 MHz CSPI and SDHC */ +#define CONFIG_PERIF3_FREQ 33 /* 33.25 MHz LCD */ +#define CONFIG_PERIF4_FREQ 33 /* 33.25 MHz CSI */ +#define CONFIG_SSI1_FREQ 66 /* 66.50 MHz SSI1 */ +#define CONFIG_SSI2_FREQ 66 /* 66.50 MHz SSI2 */ +#define CONFIG_MSHC_FREQ 66 /* 66.50 MHz MSHC */ +#define CONFIG_H264_FREQ 66 /* 66.50 MHz H264 */ +#define CONFIG_CLK0_DIV 3 /* Divide CLK0 by 4 */ +#define CONFIG_CLK0_EN 1 /* CLK0 enabled */ + +/* external bus frequency (have to be a CONFIG_HCLK_FREQ ratio) */ +#define CONFIG_NFC_FREQ 44 /* NFC Clock up to 44 MHz wh 133MHz */ + +/* external serial bus frequency (have to be a CONFIG_SPLL_FREQ ratio) */ +#define CONFIG_USB_FREQ 60 /* 60 MHz */ + +/* + * SDRAM + */ +#if (ACFG_SDRAM_MBYTE_SYZE == 64) /* micron MT46H16M32LF -6 */ +/* micron 64MB */ +#define ACFG_SDRAM_NUM_COL 9 /* 8, 9, 10 or 11 + * column address bits + */ +#define ACFG_SDRAM_NUM_ROW 13 /* 11, 12 or 13 + * row address bits + */ +#define ACFG_SDRAM_REFRESH 3 /* 0=OFF 1=2048 + * 2=4096 3=8192 refresh + */ +#define ACFG_SDRAM_EXIT_PWD 25 /* ns exit power + * down delay + */ +#define ACFG_SDRAM_W2R_DELAY 1 /* write to read + * cycle delay > 0 + */ +#define ACFG_SDRAM_ROW_PRECHARGE_DELAY 18 /* ns */ +#define ACFG_SDRAM_TMRD_DELAY 2 /* Load mode register + * cycle delay 1..4 + */ +#define ACFG_SDRAM_TWR_DELAY 1 /* LPDDR: 0=2ck 1=3ck + * SDRAM: 0=1ck 1=2ck + */ +#define ACFG_SDRAM_RAS_DELAY 42 /* ns ACTIVE-to-PRECHARGE delay */ +#define ACFG_SDRAM_RRD_DELAY 12 /* ns ACTIVE-to-ACTIVE delay */ +#define ACFG_SDRAM_RCD_DELAY 18 /* ns Row to Column delay */ +#define ACFG_SDRAM_RC_DELAY 70 /* ns Row cycle delay (tRFC + * refresh to command) + */ +#define ACFG_SDRAM_CLOCK_CYCLE_CL_1 0 /* ns clock cycle time + * estimated fo CL=1 + * 0=force 3 for lpddr + */ +#define ACFG_SDRAM_PARTIAL_ARRAY_SR 0 /* 0=full 1=half 2=quater + * 3=Eighth 4=Sixteenth + */ +#define ACFG_SDRAM_DRIVE_STRENGH 0 /* 0=Full-strength 1=half + * 2=quater 3=Eighth + */ +#define ACFG_SDRAM_BURST_LENGTH 3 /* 2^N BYTES (N=0..3) */ +#define ACFG_SDRAM_SINGLE_ACCESS 0 /* 1= single access + * 0 = Burst mode + */ +#endif + +#if (ACFG_SDRAM_MBYTE_SYZE == 128) +/* micron 128MB */ +#define ACFG_SDRAM_NUM_COL 9 /* 8, 9, 10 or 11 + * column address bits + */ +#define ACFG_SDRAM_NUM_ROW 14 /* 11, 12 or 13 + * row address bits + */ +#define ACFG_SDRAM_REFRESH 3 /* 0=OFF 1=2048 + * 2=4096 3=8192 refresh + */ +#define ACFG_SDRAM_EXIT_PWD 25 /* ns exit power + * down delay + */ +#define ACFG_SDRAM_W2R_DELAY 1 /* write to read + * cycle delay > 0 + */ +#define ACFG_SDRAM_ROW_PRECHARGE_DELAY 18 /* ns */ +#define ACFG_SDRAM_TMRD_DELAY 2 /* Load mode register + * cycle delay 1..4 + */ +#define ACFG_SDRAM_TWR_DELAY 1 /* LPDDR: 0=2ck 1=3ck + * SDRAM: 0=1ck 1=2ck + */ +#define ACFG_SDRAM_RAS_DELAY 42 /* ns ACTIVE-to-PRECHARGE delay */ +#define ACFG_SDRAM_RRD_DELAY 12 /* ns ACTIVE-to-ACTIVE delay */ +#define ACFG_SDRAM_RCD_DELAY 18 /* ns Row to Column delay */ +#define ACFG_SDRAM_RC_DELAY 70 /* ns Row cycle delay (tRFC + * refresh to command) + */ +#define ACFG_SDRAM_CLOCK_CYCLE_CL_1 0 /* ns clock cycle time + * estimated fo CL=1 + * 0=force 3 for lpddr + */ +#define ACFG_SDRAM_PARTIAL_ARRAY_SR 0 /* 0=full 1=half 2=quater + * 3=Eighth 4=Sixteenth + */ +#define ACFG_SDRAM_DRIVE_STRENGH 0 /* 0=Full-strength 1=half + * 2=quater 3=Eighth + */ +#define ACFG_SDRAM_BURST_LENGTH 3 /* 2^N BYTES (N=0..3) */ +#define ACFG_SDRAM_SINGLE_ACCESS 0 /* 1= single access + * 0 = Burst mode + */ +#endif + +#if (ACFG_SDRAM_MBYTE_SYZE == 256) +/* micron 256MB */ +#define ACFG_SDRAM_NUM_COL 10 /* 8, 9, 10 or 11 + * column address bits + */ +#define ACFG_SDRAM_NUM_ROW 14 /* 11, 12 or 13 + * row address bits + */ +#define ACFG_SDRAM_REFRESH 3 /* 0=OFF 1=2048 + * 2=4096 3=8192 refresh + */ +#define ACFG_SDRAM_EXIT_PWD 25 /* ns exit power + * down delay + */ +#define ACFG_SDRAM_W2R_DELAY 1 /* write to read cycle + * delay > 0 + */ +#define ACFG_SDRAM_ROW_PRECHARGE_DELAY 18 /* ns */ +#define ACFG_SDRAM_TMRD_DELAY 2 /* Load mode register + * cycle delay 1..4 + */ +#define ACFG_SDRAM_TWR_DELAY 1 /* LPDDR: 0=2ck 1=3ck + * SDRAM: 0=1ck 1=2ck + */ +#define ACFG_SDRAM_RAS_DELAY 42 /* ns ACTIVE-to-PRECHARGE delay */ +#define ACFG_SDRAM_RRD_DELAY 12 /* ns ACTIVE-to-ACTIVE delay */ +#define ACFG_SDRAM_RCD_DELAY 18 /* ns Row to Column delay */ +#define ACFG_SDRAM_RC_DELAY 70 /* ns Row cycle delay (tRFC + * refresh to command) + */ +#define ACFG_SDRAM_CLOCK_CYCLE_CL_1 0 /* ns clock cycle time + * estimated fo CL=1 + * 0=force 3 for lpddr + */ +#define ACFG_SDRAM_PARTIAL_ARRAY_SR 0 /* 0=full 1=half 2=quater + * 3=Eighth 4=Sixteenth + */ +#define ACFG_SDRAM_DRIVE_STRENGH 0 /* 0=Full-strength + * 1=half + * 2=quater + * 3=Eighth + */ +#define ACFG_SDRAM_BURST_LENGTH 3 /* 2^N BYTES (N=0..3) */ +#define ACFG_SDRAM_SINGLE_ACCESS 0 /* 1= single access + * 0 = Burst mode + */ +#endif + +/* + * External interface + */ +/* + * CSCRxU_VAL: + * 31| x | x | x x |x x x x| x x | x | x |x x x x|16 + * |SP |WP | BCD | BCS | PSZ |PME|SYNC| DOL | + * + * 15| x x | x x x x x x | x | x x x x | x x x x |0 + * | CNC | WSC |EW | WWS | EDC | + * + * CSCRxL_VAL: + * 31| x x x x | x x x x | x x x x | x x x x |16 + * | OEA | OEN | EBWA | EBWN | + * 15|x x x x| x |x x x |x x x x| x | x | x | x | 0 + * | CSA |EBC| DSZ | CSN |PSR|CRE|WRAP|CSEN| + * + * CSCRxA_VAL: + * 31| x x x x | x x x x | x x x x | x x x x |16 + * | EBRA | EBRN | RWA | RWN | + * 15| x | x x |x x x|x x|x x|x x| x | x | x | x | 0 + * |MUM| LAH | LBN |LBA|DWW|DCT|WWU|AGE|CNC2|FCE| + */ + +/* CS0 configuration for 16 bit nor flash */ +#define ACFG_CS0U_VAL 0x0000CC03 +#define ACFG_CS0L_VAL 0xa0330D01 +#define ACFG_CS0A_VAL 0x00220800 + +#define ACFG_CS1U_VAL 0x00000f00 +#define ACFG_CS1L_VAL 0x00000D01 +#define ACFG_CS1A_VAL 0 + +#define ACFG_CS2U_VAL 0 +#define ACFG_CS2L_VAL 0 +#define ACFG_CS2A_VAL 0 + +#define ACFG_CS3U_VAL 0 +#define ACFG_CS3L_VAL 0 +#define ACFG_CS3A_VAL 0 + +#define ACFG_CS4U_VAL 0 +#define ACFG_CS4L_VAL 0 +#define ACFG_CS4A_VAL 0 + +/* FPGA 16 bit data bus */ +#define ACFG_CS5U_VAL 0x00000600 +#define ACFG_CS5L_VAL 0x00000D01 +#define ACFG_CS5A_VAL 0 + +#define ACFG_EIM_VAL 0x00002200 + + +/* + * FPGA specific settings + */ + +/* CLKO */ +#define ACFG_CCSR_VAL 0x00000305 +/* drive strength CLKO set to 2 */ +#define ACFG_DSCR10_VAL 0x00020000 +/* drive strength A1..A12 set to 2 */ +#define ACFG_DSCR3_VAL 0x02AAAAA8 +/* drive strength ctrl */ +#define ACFG_DSCR7_VAL 0x00020880 +/* drive strength data */ +#define ACFG_DSCR2_VAL 0xAAAAAAAA + + +/* + * Default configuration for GPIOs and peripherals + */ +#define ACFG_DDIR_A_VAL 0x00000000 +#define ACFG_OCR1_A_VAL 0x00000000 +#define ACFG_OCR2_A_VAL 0x00000000 +#define ACFG_ICFA1_A_VAL 0xFFFFFFFF +#define ACFG_ICFA2_A_VAL 0xFFFFFFFF +#define ACFG_ICFB1_A_VAL 0xFFFFFFFF +#define ACFG_ICFB2_A_VAL 0xFFFFFFFF +#define ACFG_DR_A_VAL 0x00000000 +#define ACFG_GIUS_A_VAL 0xFFFFFFFF +#define ACFG_ICR1_A_VAL 0x00000000 +#define ACFG_ICR2_A_VAL 0x00000000 +#define ACFG_IMR_A_VAL 0x00000000 +#define ACFG_GPR_A_VAL 0x00000000 +#define ACFG_PUEN_A_VAL 0xFFFFFFFF + +#define ACFG_DDIR_B_VAL 0x00000000 +#define ACFG_OCR1_B_VAL 0x00000000 +#define ACFG_OCR2_B_VAL 0x00000000 +#define ACFG_ICFA1_B_VAL 0xFFFFFFFF +#define ACFG_ICFA2_B_VAL 0xFFFFFFFF +#define ACFG_ICFB1_B_VAL 0xFFFFFFFF +#define ACFG_ICFB2_B_VAL 0xFFFFFFFF +#define ACFG_DR_B_VAL 0x00000000 +#define ACFG_GIUS_B_VAL 0xFF3FFFF0 +#define ACFG_ICR1_B_VAL 0x00000000 +#define ACFG_ICR2_B_VAL 0x00000000 +#define ACFG_IMR_B_VAL 0x00000000 +#define ACFG_GPR_B_VAL 0x00000000 +#define ACFG_PUEN_B_VAL 0xFFFFFFFF + +#define ACFG_DDIR_C_VAL 0x00000000 +#define ACFG_OCR1_C_VAL 0x00000000 +#define ACFG_OCR2_C_VAL 0x00000000 +#define ACFG_ICFA1_C_VAL 0xFFFFFFFF +#define ACFG_ICFA2_C_VAL 0xFFFFFFFF +#define ACFG_ICFB1_C_VAL 0xFFFFFFFF +#define ACFG_ICFB2_C_VAL 0xFFFFFFFF +#define ACFG_DR_C_VAL 0x00000000 +#define ACFG_GIUS_C_VAL 0xFFFFC07F +#define ACFG_ICR1_C_VAL 0x00000000 +#define ACFG_ICR2_C_VAL 0x00000000 +#define ACFG_IMR_C_VAL 0x00000000 +#define ACFG_GPR_C_VAL 0x00000000 +#define ACFG_PUEN_C_VAL 0xFFFFFF87 + +#define ACFG_DDIR_D_VAL 0x00000000 +#define ACFG_OCR1_D_VAL 0x00000000 +#define ACFG_OCR2_D_VAL 0x00000000 +#define ACFG_ICFA1_D_VAL 0xFFFFFFFF +#define ACFG_ICFA2_D_VAL 0xFFFFFFFF +#define ACFG_ICFB1_D_VAL 0xFFFFFFFF +#define ACFG_ICFB2_D_VAL 0xFFFFFFFF +#define ACFG_DR_D_VAL 0x00000000 +#define ACFG_GIUS_D_VAL 0xFFFFFFFF +#define ACFG_ICR1_D_VAL 0x00000000 +#define ACFG_ICR2_D_VAL 0x00000000 +#define ACFG_IMR_D_VAL 0x00000000 +#define ACFG_GPR_D_VAL 0x00000000 +#define ACFG_PUEN_D_VAL 0xFFFFFFFF + +#define ACFG_DDIR_E_VAL 0x00000000 +#define ACFG_OCR1_E_VAL 0x00000000 +#define ACFG_OCR2_E_VAL 0x00000000 +#define ACFG_ICFA1_E_VAL 0xFFFFFFFF +#define ACFG_ICFA2_E_VAL 0xFFFFFFFF +#define ACFG_ICFB1_E_VAL 0xFFFFFFFF +#define ACFG_ICFB2_E_VAL 0xFFFFFFFF +#define ACFG_DR_E_VAL 0x00000000 +#define ACFG_GIUS_E_VAL 0xFCFFCCF8 +#define ACFG_ICR1_E_VAL 0x00000000 +#define ACFG_ICR2_E_VAL 0x00000000 +#define ACFG_IMR_E_VAL 0x00000000 +#define ACFG_GPR_E_VAL 0x00000000 +#define ACFG_PUEN_E_VAL 0xFFFFFFFF + +#define ACFG_DDIR_F_VAL 0x00000000 +#define ACFG_OCR1_F_VAL 0x00000000 +#define ACFG_OCR2_F_VAL 0x00000000 +#define ACFG_ICFA1_F_VAL 0xFFFFFFFF +#define ACFG_ICFA2_F_VAL 0xFFFFFFFF +#define ACFG_ICFB1_F_VAL 0xFFFFFFFF +#define ACFG_ICFB2_F_VAL 0xFFFFFFFF +#define ACFG_DR_F_VAL 0x00000000 +#define ACFG_GIUS_F_VAL 0xFF7F8000 +#define ACFG_ICR1_F_VAL 0x00000000 +#define ACFG_ICR2_F_VAL 0x00000000 +#define ACFG_IMR_F_VAL 0x00000000 +#define ACFG_GPR_F_VAL 0x00000000 +#define ACFG_PUEN_F_VAL 0xFFFFFFFF + +/* Enforce DDR signal strengh & enable USB/PP/DMA burst override bits */ +#define ACFG_GPCR_VAL 0x0003000F + +#define ACFG_ESDMISC_VAL ESDMISC_LHD+ESDMISC_MDDREN + +/* FMCR select num LPDDR RAMs and nand 16bits, 2KB pages */ +#if (CONFIG_NR_DRAM_BANKS == 1) +#define ACFG_FMCR_VAL 0xFFFFFFF9 +#elif (CONFIG_NR_DRAM_BANKS == 2) +#define ACFG_FMCR_VAL 0xFFFFFFFB +#endif + +#define ACFG_AIPI1_PSR0_VAL 0x20040304 +#define ACFG_AIPI1_PSR1_VAL 0xDFFBFCFB +#define ACFG_AIPI2_PSR0_VAL 0x00000000 +#define ACFG_AIPI2_PSR1_VAL 0xFFFFFFFF + +/* PCCR enable DMA FEC I2C1 IIM SDHC1 */ +#define ACFG_PCCR0_VAL 0x05070410 +#define ACFG_PCCR1_VAL 0xA14A0608 + +/* + * From here, there should not be any user configuration. + * All Equations are automatic + */ + +/* fixme none integer value (7.5ns) => 2*hclock = 15ns */ +#define ACFG_2XHCLK_LGTH (2000/CONFIG_HCLK_FREQ) /* ns */ + +/* USB 60 MHz ; ARM up to 400; HClK up to 133MHz*/ +#define CSCR_MASK 0x0300800D + +#define ACFG_CSCR_VAL \ + (CSCR_MASK \ + |((((CONFIG_SPLL_FREQ/CONFIG_USB_FREQ)-1)&0x07) << 28) \ + |((((CONFIG_MPLL_FREQ/CONFIG_ARM_FREQ)-1)&0x03) << 12) \ + |((((ACFG_CLK_FREQ/CONFIG_HCLK_FREQ)-1)&0x03) << 8)) + +/* SSIx CLKO NFC H264 MSHC */ +#define ACFG_PCDR0_VAL\ + (((((ACFG_CLK_FREQ/CONFIG_MSHC_FREQ)-1)&0x3F)<<0) \ + |((((CONFIG_HCLK_FREQ/CONFIG_NFC_FREQ)-1)&0x0F)<<6) \ + |(((((ACFG_CLK_FREQ/CONFIG_H264_FREQ)-2)*2)&0x3F)<<10)\ + |(((((ACFG_CLK_FREQ/CONFIG_SSI1_FREQ)-2)*2)&0x3F)<<16)\ + |(((CONFIG_CLK0_DIV)&0x07)<<22)\ + |(((CONFIG_CLK0_EN)&0x01)<<25)\ + |(((((ACFG_CLK_FREQ/CONFIG_SSI2_FREQ)-2)*2)&0x3F)<<26)) + +/* PERCLKx */ +#define ACFG_PCDR1_VAL\ + (((((ACFG_CLK_FREQ/CONFIG_PERIF1_FREQ)-1)&0x3F)<<0) \ + |((((ACFG_CLK_FREQ/CONFIG_PERIF2_FREQ)-1)&0x3F)<<8) \ + |((((ACFG_CLK_FREQ/CONFIG_PERIF3_FREQ)-1)&0x3F)<<16) \ + |((((ACFG_CLK_FREQ/CONFIG_PERIF4_FREQ)-1)&0x3F)<<24)) + +/* SDRAM controller programming Values */ +#if (((2*ACFG_SDRAM_CLOCK_CYCLE_CL_1) > (3*ACFG_2XHCLK_LGTH)) || \ + (ACFG_SDRAM_CLOCK_CYCLE_CL_1 < 1)) +#define REG_FIELD_SCL_VAL 3 +#define REG_FIELD_SCLIMX_VAL 0 +#else +#define REG_FIELD_SCL_VAL\ + ((2*ACFG_SDRAM_CLOCK_CYCLE_CL_1+ACFG_2XHCLK_LGTH-1)/ \ + ACFG_2XHCLK_LGTH) +#define REG_FIELD_SCLIMX_VAL REG_FIELD_SCL_VAL +#endif + +#if ((2*ACFG_SDRAM_RC_DELAY) > (16*ACFG_2XHCLK_LGTH)) +#define REG_FIELD_SRC_VAL 0 +#else +#define REG_FIELD_SRC_VAL\ + ((2*ACFG_SDRAM_RC_DELAY+ACFG_2XHCLK_LGTH-1)/ \ + ACFG_2XHCLK_LGTH) +#endif + +/* TBD Power down timer ; PRCT Bit Field Encoding; burst length 8 ; FP = 0*/ +#define REG_ESDCTL_BASE_CONFIG (0x80020485\ + | (((ACFG_SDRAM_NUM_ROW-11)&0x7)<<24)\ + | (((ACFG_SDRAM_NUM_COL-8)&0x3)<<20)\ + | (((ACFG_SDRAM_REFRESH)&0x7)<<13)) + +#define ACFG_NORMAL_RW_CMD ((0x0<<28)+REG_ESDCTL_BASE_CONFIG) +#define ACFG_PRECHARGE_CMD ((0x1<<28)+REG_ESDCTL_BASE_CONFIG) +#define ACFG_AUTOREFRESH_CMD ((0x2<<28)+REG_ESDCTL_BASE_CONFIG) +#define ACFG_SET_MODE_REG_CMD ((0x3<<28)+REG_ESDCTL_BASE_CONFIG) + +/* ESDRAMC Configuration Registers : force CL=3 to lpddr */ +#define ACFG_SDRAM_ESDCFG_REGISTER_VAL (0x0\ + | (((((2*ACFG_SDRAM_EXIT_PWD+ACFG_2XHCLK_LGTH-1)/ \ + ACFG_2XHCLK_LGTH)-1)&0x3)<<21)\ + | (((ACFG_SDRAM_W2R_DELAY-1)&0x1)<<20)\ + | (((((2*ACFG_SDRAM_ROW_PRECHARGE_DELAY+ \ + ACFG_2XHCLK_LGTH-1)/ACFG_2XHCLK_LGTH)-1)&0x3)<<18) \ + | (((ACFG_SDRAM_TMRD_DELAY-1)&0x3)<<16)\ + | (((ACFG_SDRAM_TWR_DELAY)&0x1)<<15)\ + | (((((2*ACFG_SDRAM_RAS_DELAY+ACFG_2XHCLK_LGTH-1)/ \ + ACFG_2XHCLK_LGTH)-1)&0x7)<<12) \ + | (((((2*ACFG_SDRAM_RRD_DELAY+ACFG_2XHCLK_LGTH-1)/ \ + ACFG_2XHCLK_LGTH)-1)&0x3)<<10) \ + | (((REG_FIELD_SCLIMX_VAL)&0x3)<<8)\ + | (((((2*ACFG_SDRAM_RCD_DELAY+ACFG_2XHCLK_LGTH-1)/ \ + ACFG_2XHCLK_LGTH)-1)&0x7)<<4) \ + | (((REG_FIELD_SRC_VAL)&0x0F)<<0)) + +/* Issue Mode register Command to SDRAM */ +#define ACFG_SDRAM_MODE_REGISTER_VAL\ + ((((ACFG_SDRAM_BURST_LENGTH)&0x7)<<(0))\ + | (((REG_FIELD_SCL_VAL)&0x7)<<(4))\ + | ((0)<<(3)) /* sequentiql access */ \ + /*| (((ACFG_SDRAM_SINGLE_ACCESS)&0x1)<<(1))*/) + +/* Issue Extended Mode register Command to SDRAM */ +#define ACFG_SDRAM_EXT_MODE_REGISTER_VAL\ + ((ACFG_SDRAM_PARTIAL_ARRAY_SR<<0)\ + | (ACFG_SDRAM_DRIVE_STRENGH<<(5))\ + | (1<<(ACFG_SDRAM_NUM_COL+ACFG_SDRAM_NUM_ROW+1+2))) + +/* Issue Precharge all Command to SDRAM */ +#define ACFG_SDRAM_PRECHARGE_ALL_VAL (1<<10) + +#endif /* __APF27_H */ diff --git a/board/armadeus/apf27/fpga.c b/board/armadeus/apf27/fpga.c new file mode 100644 index 0000000000..0c08c0640e --- /dev/null +++ b/board/armadeus/apf27/fpga.c @@ -0,0 +1,224 @@ +/* + * (C) Copyright 2002-2013 + * Eric Jarrige <eric.jarrige@armadeus.org> + * + * based on the files by + * Rich Ireland, Enterasys Networks, rireland@enterasys.com + * and + * Keith Outwater, keith_outwater@mvis.com + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#include <common.h> + +#include <asm/arch/imx-regs.h> +#include <asm/gpio.h> +#include <asm/io.h> +#include <command.h> +#include <config.h> +#include "fpga.h" +#include <spartan3.h> +#include "apf27.h" + +/* + * Note that these are pointers to code that is in Flash. They will be + * relocated at runtime. + * Spartan2 code is used to download our Spartan 3 :) code is compatible. + * Just take care about the file size + */ +Xilinx_Spartan3_Slave_Parallel_fns fpga_fns = { + fpga_pre_fn, + fpga_pgm_fn, + fpga_init_fn, + NULL, + fpga_done_fn, + fpga_clk_fn, + fpga_cs_fn, + fpga_wr_fn, + fpga_rdata_fn, + fpga_wdata_fn, + fpga_busy_fn, + fpga_abort_fn, + fpga_post_fn, +}; + +Xilinx_desc fpga[CONFIG_FPGA_COUNT] = { + {Xilinx_Spartan3, + slave_parallel, + 1196128l/8, + (void *)&fpga_fns, + 0, + "3s200aft256"} +}; + +/* + * Initialize GPIO port B before download + */ +int fpga_pre_fn(int cookie) +{ + /* Initialize GPIO pins */ + gpio_set_value(ACFG_FPGA_PWR, 1); + imx_gpio_mode(ACFG_FPGA_INIT | GPIO_IN | GPIO_PUEN | GPIO_GPIO); + imx_gpio_mode(ACFG_FPGA_DONE | GPIO_IN | GPIO_PUEN | GPIO_GPIO); + imx_gpio_mode(ACFG_FPGA_PRG | GPIO_OUT | GPIO_PUEN | GPIO_GPIO); + imx_gpio_mode(ACFG_FPGA_CLK | GPIO_OUT | GPIO_PUEN | GPIO_GPIO); + imx_gpio_mode(ACFG_FPGA_RW | GPIO_OUT | GPIO_PUEN | GPIO_GPIO); + imx_gpio_mode(ACFG_FPGA_CS | GPIO_OUT | GPIO_PUEN | GPIO_GPIO); + imx_gpio_mode(ACFG_FPGA_SUSPEND|GPIO_OUT|GPIO_PUEN|GPIO_GPIO); + gpio_set_value(ACFG_FPGA_RESET, 1); + imx_gpio_mode(ACFG_FPGA_RESET | GPIO_OUT | GPIO_PUEN | GPIO_GPIO); + imx_gpio_mode(ACFG_FPGA_PWR | GPIO_OUT | GPIO_PUEN | GPIO_GPIO); + gpio_set_value(ACFG_FPGA_PRG, 1); + gpio_set_value(ACFG_FPGA_CLK, 1); + gpio_set_value(ACFG_FPGA_RW, 1); + gpio_set_value(ACFG_FPGA_CS, 1); + gpio_set_value(ACFG_FPGA_SUSPEND, 0); + gpio_set_value(ACFG_FPGA_PWR, 0); + udelay(30000); /*wait until supply started*/ + + return cookie; +} + +/* + * Set the FPGA's active-low program line to the specified level + */ +int fpga_pgm_fn(int assert, int flush, int cookie) +{ + debug("%s:%d: FPGA PROGRAM %s", __func__, __LINE__, + assert ? "high" : "low"); + gpio_set_value(ACFG_FPGA_PRG, !assert); + return assert; +} + +/* + * Set the FPGA's active-high clock line to the specified level + */ +int fpga_clk_fn(int assert_clk, int flush, int cookie) +{ + debug("%s:%d: FPGA CLOCK %s", __func__, __LINE__, + assert_clk ? "high" : "low"); + gpio_set_value(ACFG_FPGA_CLK, !assert_clk); + return assert_clk; +} + +/* + * Test the state of the active-low FPGA INIT line. Return 1 on INIT + * asserted (low). + */ +int fpga_init_fn(int cookie) +{ + int value; + debug("%s:%d: INIT check... ", __func__, __LINE__); + value = gpio_get_value(ACFG_FPGA_INIT); + /* printf("init value read %x",value); */ +#ifdef CONFIG_SYS_FPGA_IS_PROTO + return value; +#else + return !value; +#endif +} + +/* + * Test the state of the active-high FPGA DONE pin + */ +int fpga_done_fn(int cookie) +{ + debug("%s:%d: DONE check... %s", __func__, __LINE__, + gpio_get_value(ACFG_FPGA_DONE) ? "high" : "low"); + return gpio_get_value(ACFG_FPGA_DONE) ? FPGA_SUCCESS : FPGA_FAIL; +} + +/* + * Set the FPGA's wr line to the specified level + */ +int fpga_wr_fn(int assert_write, int flush, int cookie) +{ + debug("%s:%d: FPGA RW... %s ", __func__, __LINE__, + assert_write ? "high" : "low"); + gpio_set_value(ACFG_FPGA_RW, !assert_write); + return assert_write; +} + +int fpga_cs_fn(int assert_cs, int flush, int cookie) +{ + debug("%s:%d: FPGA CS %s ", __func__, __LINE__, + assert_cs ? "high" : "low"); + gpio_set_value(ACFG_FPGA_CS, !assert_cs); + return assert_cs; +} + +int fpga_rdata_fn(unsigned char *data, int cookie) +{ + debug("%s:%d: FPGA READ DATA %02X ", __func__, __LINE__, + *((char *)ACFG_FPGA_RDATA)); + *data = (unsigned char) + ((*((unsigned short *)ACFG_FPGA_RDATA))&0x00FF); + return *data; +} + +int fpga_wdata_fn(unsigned char data, int flush, int cookie) +{ + debug("%s:%d: FPGA WRITE DATA %02X ", __func__, __LINE__, + data); + *((unsigned short *)ACFG_FPGA_WDATA) = data; + return data; +} + +int fpga_abort_fn(int cookie) +{ + return fpga_post_fn(cookie); +} + + +int fpga_busy_fn(int cookie) +{ + return 1; +} + +int fpga_post_fn(int cookie) +{ + debug("%s:%d: FPGA POST ", __func__, __LINE__); + + imx_gpio_mode(ACFG_FPGA_RW | GPIO_PF | GPIO_PUEN); + imx_gpio_mode(ACFG_FPGA_CS | GPIO_PF | GPIO_PUEN); + imx_gpio_mode(ACFG_FPGA_CLK | GPIO_PF | GPIO_PUEN); + gpio_set_value(ACFG_FPGA_PRG, 1); + gpio_set_value(ACFG_FPGA_RESET, 0); + imx_gpio_mode(ACFG_FPGA_RESET | GPIO_OUT | GPIO_PUEN | GPIO_GPIO); + return cookie; +} + +void apf27_fpga_setup(void) +{ + struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE; + struct system_control_regs *system = + (struct system_control_regs *)IMX_SYSTEM_CTL_BASE; + + /* Configure FPGA CLKO */ + writel(ACFG_CCSR_VAL, &pll->ccsr); + + /* Configure strentgh for FPGA */ + writel(ACFG_DSCR10_VAL, &system->dscr10); + writel(ACFG_DSCR3_VAL, &system->dscr3); + writel(ACFG_DSCR7_VAL, &system->dscr7); + writel(ACFG_DSCR2_VAL, &system->dscr2); +} + +/* + * Initialize the fpga. Return 1 on success, 0 on failure. + */ +void APF27_init_fpga(void) +{ + int i; + + apf27_fpga_setup(); + + fpga_init(); + + for (i = 0; i < CONFIG_FPGA_COUNT; i++) { + debug("%s:%d: Adding fpga %d\n", __func__, __LINE__, i); + fpga_add(fpga_xilinx, &fpga[i]); + } + + return; +} diff --git a/board/armadeus/apf27/fpga.h b/board/armadeus/apf27/fpga.h new file mode 100644 index 0000000000..84a5244a6d --- /dev/null +++ b/board/armadeus/apf27/fpga.h @@ -0,0 +1,25 @@ +/* + * (C) Copyright 2002-2013 + * Eric Jarrige <eric.jarrige@armadeus.org> + * + * based on the files by + * Rich Ireland, Enterasys Networks, rireland@enterasys.com + * and + * Keith Outwater, keith_outwater@mvis.com + * + * SPDX-License-Identifier: GPL-2.0+ + */ +extern void APF27_init_fpga(void); + +extern int fpga_pre_fn(int cookie); +extern int fpga_pgm_fn(int assert_pgm, int flush, int cookie); +extern int fpga_cs_fn(int assert_cs, int flush, int cookie); +extern int fpga_init_fn(int cookie); +extern int fpga_done_fn(int cookie); +extern int fpga_clk_fn(int assert_clk, int flush, int cookie); +extern int fpga_wr_fn(int assert_write, int flush, int cookie); +extern int fpga_rdata_fn(unsigned char *data, int cookie); +extern int fpga_wdata_fn(unsigned char data, int flush, int cookie); +extern int fpga_abort_fn(int cookie); +extern int fpga_post_fn(int cookie); +extern int fpga_busy_fn(int cookie); diff --git a/board/armadeus/apf27/lowlevel_init.S b/board/armadeus/apf27/lowlevel_init.S new file mode 100644 index 0000000000..4293cb1080 --- /dev/null +++ b/board/armadeus/apf27/lowlevel_init.S @@ -0,0 +1,168 @@ +/* + * (C) Copyright 2013 Philippe Reynes <tremyfr@yahoo.fr> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <config.h> +#include <generated/asm-offsets.h> +#include <version.h> +#include <asm/macro.h> +#include <asm/arch/imx-regs.h> +#include "apf27.h" + + .macro init_aipi + /* + * setup AIPI1 and AIPI2 + */ + write32 AIPI1_PSR0, ACFG_AIPI1_PSR0_VAL + write32 AIPI1_PSR1, ACFG_AIPI1_PSR1_VAL + write32 AIPI2_PSR0, ACFG_AIPI2_PSR0_VAL + write32 AIPI2_PSR1, ACFG_AIPI2_PSR1_VAL + + /* Change SDRAM signal strengh */ + ldr r0, =GPCR + ldr r1, =ACFG_GPCR_VAL + ldr r5, [r0] + orr r5, r5, r1 + str r5, [r0] + + .endm /* init_aipi */ + + .macro init_clock + ldr r0, =CSCR + /* disable MPLL/SPLL first */ + ldr r1, [r0] + bic r1, r1, #(CSCR_MPEN|CSCR_SPEN) + str r1, [r0] + + /* + * pll clock initialization predefined in apf27.h + */ + write32 MPCTL0, ACFG_MPCTL0_VAL + write32 SPCTL0, ACFG_SPCTL0_VAL + + write32 CSCR, ACFG_CSCR_VAL|CSCR_MPLL_RESTART|CSCR_SPLL_RESTART + + /* + * add some delay here + */ + mov r1, #0x1000 + 1: subs r1, r1, #0x1 + bne 1b + + /* peripheral clock divider */ + write32 PCDR0, ACFG_PCDR0_VAL + write32 PCDR1, ACFG_PCDR1_VAL + + /* Configure PCCR0 and PCCR1 */ + write32 PCCR0, ACFG_PCCR0_VAL + write32 PCCR1, ACFG_PCCR1_VAL + + .endm /* init_clock */ + + .macro init_ddr + /* wait for SDRAM/LPDDR ready (SDRAMRDY) */ + ldr r0, =IMX_ESD_BASE + ldr r4, =ESDMISC_SDRAM_RDY +2: ldr r1, [r0, #ESDMISC_ROF] + ands r1, r1, r4 + bpl 2b + + /* LPDDR Soft Reset Mobile/Low Power DDR SDRAM. */ + ldr r0, =IMX_ESD_BASE + ldr r4, =ACFG_ESDMISC_VAL + orr r1, r4, #ESDMISC_MDDR_DL_RST + str r1, [r0, #ESDMISC_ROF] + + /* Hold for more than 200ns */ + ldr r1, =0x10000 +1: subs r1, r1, #0x1 + bne 1b + + str r4, [r0] + + ldr r0, =IMX_ESD_BASE + ldr r1, =ACFG_SDRAM_ESDCFG_REGISTER_VAL + str r1, [r0, #ESDCFG0_ROF] + + ldr r0, =IMX_ESD_BASE + ldr r1, =ACFG_PRECHARGE_CMD + str r1, [r0, #ESDCTL0_ROF] + + /* write8(0xA0001000, any value) */ + ldr r1, =PHYS_SDRAM_1+ACFG_SDRAM_PRECHARGE_ALL_VAL + strb r2, [r1] + + ldr r1, =ACFG_AUTOREFRESH_CMD + str r1, [r0, #ESDCTL0_ROF] + + ldr r4, =PHYS_SDRAM_1 /* CSD0 base address */ + + ldr r6,=0x7 /* load loop counter */ +1: str r5,[r4] /* run auto-refresh cycle to array 0 */ + subs r6,r6,#1 + bne 1b + + ldr r1, =ACFG_SET_MODE_REG_CMD + str r1, [r0, #ESDCTL0_ROF] + + /* set standard mode register */ + ldr r4, = PHYS_SDRAM_1+ACFG_SDRAM_MODE_REGISTER_VAL + strb r2, [r4] + + /* set extended mode register */ + ldr r4, =PHYS_SDRAM_1+ACFG_SDRAM_EXT_MODE_REGISTER_VAL + strb r5, [r4] + + ldr r1, =ACFG_NORMAL_RW_CMD + str r1, [r0, #ESDCTL0_ROF] + + /* 2nd sdram */ + ldr r0, =IMX_ESD_BASE + ldr r1, =ACFG_SDRAM_ESDCFG_REGISTER_VAL + str r1, [r0, #ESDCFG1_ROF] + + ldr r0, =IMX_ESD_BASE + ldr r1, =ACFG_PRECHARGE_CMD + str r1, [r0, #ESDCTL1_ROF] + + /* write8(0xB0001000, any value) */ + ldr r1, =PHYS_SDRAM_2+ACFG_SDRAM_PRECHARGE_ALL_VAL + strb r2, [r1] + + ldr r1, =ACFG_AUTOREFRESH_CMD + str r1, [r0, #ESDCTL1_ROF] + + ldr r4, =PHYS_SDRAM_2 /* CSD1 base address */ + + ldr r6,=0x7 /* load loop counter */ +1: str r5,[r4] /* run auto-refresh cycle to array 0 */ + subs r6,r6,#1 + bne 1b + + ldr r1, =ACFG_SET_MODE_REG_CMD + str r1, [r0, #ESDCTL1_ROF] + + /* set standard mode register */ + ldr r4, =PHYS_SDRAM_2+ACFG_SDRAM_MODE_REGISTER_VAL + strb r2, [r4] + + /* set extended mode register */ + ldr r4, =PHYS_SDRAM_2+ACFG_SDRAM_EXT_MODE_REGISTER_VAL + strb r2, [r4] + + ldr r1, =ACFG_NORMAL_RW_CMD + str r1, [r0, #ESDCTL1_ROF] + .endm /* init_ddr */ + +.globl lowlevel_init +lowlevel_init: + + init_aipi + init_clock +#ifdef CONFIG_SPL_BUILD + init_ddr +#endif + + mov pc, lr diff --git a/board/bluegiga/apx4devkit/spl_boot.c b/board/bluegiga/apx4devkit/spl_boot.c index 3b05baaa70..81419f9635 100644 --- a/board/bluegiga/apx4devkit/spl_boot.c +++ b/board/bluegiga/apx4devkit/spl_boot.c @@ -132,9 +132,9 @@ const iomux_cfg_t iomux_setup[] = { MX28_PAD_EMI_CKE__EMI_CKE | MUX_CONFIG_EMI, }; -void board_init_ll(void) +void board_init_ll(const uint32_t arg, const uint32_t *resptr) { - mxs_common_spl_init(iomux_setup, ARRAY_SIZE(iomux_setup)); + mxs_common_spl_init(arg, resptr, iomux_setup, ARRAY_SIZE(iomux_setup)); /* switch LED on */ gpio_direction_output(MX28_PAD_PWM3__GPIO_3_28, 0); diff --git a/board/boundary/nitrogen6x/nitrogen6x.c b/board/boundary/nitrogen6x/nitrogen6x.c index f664f6de6b..2b61e5d2a9 100644 --- a/board/boundary/nitrogen6x/nitrogen6x.c +++ b/board/boundary/nitrogen6x/nitrogen6x.c @@ -593,6 +593,7 @@ int board_video_skip(void) if (!panel) { panel = displays[0].mode.name; printf("No panel detected: default to %s\n", panel); + i = 0; } } else { for (i = 0; i < ARRAY_SIZE(displays); i++) { @@ -609,9 +610,10 @@ int board_video_skip(void) displays[i].mode.name, displays[i].mode.xres, displays[i].mode.yres); - } else + } else { printf("LCD %s cannot be configured: %d\n", displays[i].mode.name, ret); + } } else { printf("unsupported panel %s\n", panel); ret = -EINVAL; diff --git a/board/creative/xfi3/Makefile b/board/creative/xfi3/Makefile new file mode 100644 index 0000000000..4dc2b48053 --- /dev/null +++ b/board/creative/xfi3/Makefile @@ -0,0 +1,31 @@ +# +# (C) Copyright 2000-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).o + +ifndef CONFIG_SPL_BUILD +COBJS := xfi3.o +else +COBJS := spl_boot.o +endif + +SRCS := $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) + +$(LIB): $(obj).depend $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/creative/xfi3/spl_boot.c b/board/creative/xfi3/spl_boot.c new file mode 100644 index 0000000000..af7aa0ebdd --- /dev/null +++ b/board/creative/xfi3/spl_boot.c @@ -0,0 +1,134 @@ +/* + * Creative ZEN X-Fi3 setup + * + * Copyright (C) 2013 Marek Vasut <marex@denx.de> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <config.h> +#include <asm/io.h> +#include <asm/arch/iomux-mx23.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/sys_proto.h> + +#define MUX_CONFIG_EMI (MXS_PAD_1V8 | MXS_PAD_12MA | MXS_PAD_PULLUP) +#define MUX_CONFIG_SSP (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP) +#define MUX_CONFIG_LCD (MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_NOPULL) + +const iomux_cfg_t iomux_setup[] = { + /* EMI */ + MX23_PAD_EMI_D00__EMI_D00 | MUX_CONFIG_EMI, + MX23_PAD_EMI_D01__EMI_D01 | MUX_CONFIG_EMI, + MX23_PAD_EMI_D02__EMI_D02 | MUX_CONFIG_EMI, + MX23_PAD_EMI_D03__EMI_D03 | MUX_CONFIG_EMI, + MX23_PAD_EMI_D04__EMI_D04 | MUX_CONFIG_EMI, + MX23_PAD_EMI_D05__EMI_D05 | MUX_CONFIG_EMI, + MX23_PAD_EMI_D06__EMI_D06 | MUX_CONFIG_EMI, + MX23_PAD_EMI_D07__EMI_D07 | MUX_CONFIG_EMI, + MX23_PAD_EMI_D08__EMI_D08 | MUX_CONFIG_EMI, + MX23_PAD_EMI_D09__EMI_D09 | MUX_CONFIG_EMI, + MX23_PAD_EMI_D10__EMI_D10 | MUX_CONFIG_EMI, + MX23_PAD_EMI_D11__EMI_D11 | MUX_CONFIG_EMI, + MX23_PAD_EMI_D12__EMI_D12 | MUX_CONFIG_EMI, + MX23_PAD_EMI_D13__EMI_D13 | MUX_CONFIG_EMI, + MX23_PAD_EMI_D14__EMI_D14 | MUX_CONFIG_EMI, + MX23_PAD_EMI_D15__EMI_D15 | MUX_CONFIG_EMI, + MX23_PAD_EMI_DQM0__EMI_DQM0 | MUX_CONFIG_EMI, + MX23_PAD_EMI_DQM1__EMI_DQM1 | MUX_CONFIG_EMI, + MX23_PAD_EMI_DQS0__EMI_DQS0 | MUX_CONFIG_EMI, + MX23_PAD_EMI_DQS1__EMI_DQS1 | MUX_CONFIG_EMI, + MX23_PAD_EMI_CLK__EMI_CLK | MUX_CONFIG_EMI, + MX23_PAD_EMI_CLKN__EMI_CLKN | MUX_CONFIG_EMI, + + MX23_PAD_EMI_A00__EMI_A00 | MUX_CONFIG_EMI, + MX23_PAD_EMI_A01__EMI_A01 | MUX_CONFIG_EMI, + MX23_PAD_EMI_A02__EMI_A02 | MUX_CONFIG_EMI, + MX23_PAD_EMI_A03__EMI_A03 | MUX_CONFIG_EMI, + MX23_PAD_EMI_A04__EMI_A04 | MUX_CONFIG_EMI, + MX23_PAD_EMI_A05__EMI_A05 | MUX_CONFIG_EMI, + MX23_PAD_EMI_A06__EMI_A06 | MUX_CONFIG_EMI, + MX23_PAD_EMI_A07__EMI_A07 | MUX_CONFIG_EMI, + MX23_PAD_EMI_A08__EMI_A08 | MUX_CONFIG_EMI, + MX23_PAD_EMI_A09__EMI_A09 | MUX_CONFIG_EMI, + MX23_PAD_EMI_A10__EMI_A10 | MUX_CONFIG_EMI, + MX23_PAD_EMI_A11__EMI_A11 | MUX_CONFIG_EMI, + MX23_PAD_EMI_A12__EMI_A12 | MUX_CONFIG_EMI, + MX23_PAD_EMI_BA0__EMI_BA0 | MUX_CONFIG_EMI, + MX23_PAD_EMI_BA1__EMI_BA1 | MUX_CONFIG_EMI, + + MX23_PAD_EMI_CASN__EMI_CASN | MUX_CONFIG_EMI, + MX23_PAD_EMI_CE0N__EMI_CE0N | MUX_CONFIG_EMI, + MX23_PAD_EMI_CE1N__EMI_CE1N | MUX_CONFIG_EMI, + MX23_PAD_EMI_CKE__EMI_CKE | MUX_CONFIG_EMI, + MX23_PAD_EMI_RASN__EMI_RASN | MUX_CONFIG_EMI, + MX23_PAD_EMI_WEN__EMI_WEN | MUX_CONFIG_EMI, + + 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, + + MX23_PAD_SSP1_CMD__SSP1_CMD | MUX_CONFIG_SSP, + MX23_PAD_SSP1_DETECT__GPIO_2_1 | MUX_CONFIG_SSP, + MX23_PAD_SSP1_DATA0__SSP1_DATA0 | MUX_CONFIG_SSP, + MX23_PAD_SSP1_DATA1__SSP1_DATA1 | MUX_CONFIG_SSP, + MX23_PAD_SSP1_DATA2__SSP1_DATA2 | MUX_CONFIG_SSP, + MX23_PAD_SSP1_DATA3__SSP1_DATA3 | MUX_CONFIG_SSP, + MX23_PAD_SSP1_SCK__SSP1_SCK | MUX_CONFIG_SSP, + MX23_PAD_GPMI_D07__GPIO_0_7 | MUX_CONFIG_SSP, + + MX23_PAD_GPMI_D00__SSP2_DATA0 | MUX_CONFIG_SSP, + MX23_PAD_GPMI_D01__SSP2_DATA1 | MUX_CONFIG_SSP, + MX23_PAD_GPMI_D02__SSP2_DATA2 | MUX_CONFIG_SSP, + MX23_PAD_GPMI_D03__SSP2_DATA3 | MUX_CONFIG_SSP, + MX23_PAD_GPMI_RDY1__SSP2_CMD | MUX_CONFIG_SSP, + MX23_PAD_GPMI_WRN__SSP2_SCK | MUX_CONFIG_SSP, + + /* PWM -- FIXME */ + MX23_PAD_PWM2__GPIO_1_28 | MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_PULLUP, +}; + +void mxs_adjust_memory_params(uint32_t *dram_vals) +{ + /* mDDR configuration values */ + const uint32_t regs[] = { + 0x01010001, 0x00010000, 0x01000000, 0x00000001, + 0x00010101, 0x00000001, 0x00010000, 0x01000001, + 0x01010000, 0x00000001, 0x07000200, 0x04070203, + 0x02020002, 0x06070a02, 0x0d000201, 0x0305000d, + 0x02080800, 0x19330f0a, 0x1f1f1c00, 0x020a1313, + 0x03061323, 0x0000000a, 0x00080008, 0x00200020, + 0x00200020, 0x00200020, 0x000003f7, 0x00000000, + 0x00000000, 0x00000000, 0x00000020, 0x00000000, + 0x001023cd, 0x20410010, 0x00006665, 0x00000000, + 0x00000101, 0x00000001, 0x00000000, 0x00000000, + }; + memcpy(dram_vals, regs, sizeof(regs)); +} + +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/creative/xfi3/xfi3.c b/board/creative/xfi3/xfi3.c new file mode 100644 index 0000000000..1d83ea89aa --- /dev/null +++ b/board/creative/xfi3/xfi3.c @@ -0,0 +1,224 @@ +/* + * Creative ZEN X-Fi3 board + * + * Copyright (C) 2013 Marek Vasut <marex@denx.de> + * + * Hardware investigation done by: + * + * Amaury Pouly <amaury.pouly@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <errno.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> + +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: + /* Phison bridge always present */ + return 1; + default: + return 0; + } +} + +int board_mmc_init(bd_t *bis) +{ + int ret; + + /* MicroSD slot */ + gpio_direction_input(MX23_PAD_SSP1_DETECT__GPIO_2_1); + gpio_direction_output(MX23_PAD_GPMI_D07__GPIO_0_7, 0); + ret = mxsmmc_initialize(bis, 0, NULL, xfi3_mmc_cd); + if (ret) + return ret; + + /* Phison SD-NAND bridge */ + ret = mxsmmc_initialize(bis, 1, NULL, xfi3_mmc_cd); + + return ret; +} +#endif + +#ifdef CONFIG_VIDEO_MXS +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; + + 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[] = { + { 0x01, 0, 0x001c }, + { 0x02, 0, 0x0100 }, + /* Writing 0x30 to reg. 0x03 flips the LCD */ + { 0x03, 0, 0x1038 }, + { 0x08, 0, 0x0808 }, + /* This can contain 0x111 to rotate the LCD. */ + { 0x0c, 0, 0x0000 }, + { 0x0f, 0, 0x0c01 }, + { 0x20, 0, 0x0000 }, + { 0x21, 30, 0x0000 }, + /* Wait 30 mS here */ + { 0x10, 0, 0x0a00 }, + { 0x11, 30, 0x1038 }, + /* Wait 30 mS here */ + { 0x12, 0, 0x1010 }, + { 0x13, 0, 0x0050 }, + { 0x14, 0, 0x4f58 }, + { 0x30, 0, 0x0000 }, + { 0x31, 0, 0x00db }, + { 0x32, 0, 0x0000 }, + { 0x33, 0, 0x0000 }, + { 0x34, 0, 0x00db }, + { 0x35, 0, 0x0000 }, + { 0x36, 0, 0x00af }, + { 0x37, 0, 0x0000 }, + { 0x38, 0, 0x00db }, + { 0x39, 0, 0x0000 }, + { 0x50, 0, 0x0000 }, + { 0x51, 0, 0x0705 }, + { 0x52, 0, 0x0e0a }, + { 0x53, 0, 0x0300 }, + { 0x54, 0, 0x0a0e }, + { 0x55, 0, 0x0507 }, + { 0x56, 0, 0x0000 }, + { 0x57, 0, 0x0003 }, + { 0x58, 0, 0x090a }, + { 0x59, 30, 0x0a09 }, + /* Wait 30 mS here */ + { 0x07, 30, 0x1017 }, + /* Wait 40 mS here */ + { 0x36, 0, 0x00af }, + { 0x37, 0, 0x0000 }, + { 0x38, 0, 0x00db }, + { 0x39, 0, 0x0000 }, + { 0x20, 0, 0x0000 }, + { 0x21, 0, 0x0000 }, +}; + +void board_mxsfb_system_setup(void) +{ + struct mxs_lcdif_regs *regs = (struct mxs_lcdif_regs *)MXS_LCDIF_BASE; + 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); + + /* 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((0x03 << LCDIF_TIMING_CMD_HOLD_OFFSET) | + (0x03 << LCDIF_TIMING_CMD_SETUP_OFFSET) | + (0x03 << LCDIF_TIMING_DATA_HOLD_OFFSET) | + (0x02 << LCDIF_TIMING_DATA_SETUP_OFFSET), + ®s->hw_lcdif_timing); + + /* + * OTM2201A 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); +} +#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(bd_t *bis) +{ + usb_eth_initialize(bis); + return 0; +} diff --git a/board/denx/m28evk/m28evk.c b/board/denx/m28evk/m28evk.c index f4453d64ab..33d38cfc54 100644 --- a/board/denx/m28evk/m28evk.c +++ b/board/denx/m28evk/m28evk.c @@ -116,6 +116,8 @@ int board_eth_init(bd_t *bis) int ret; ret = cpu_eth_init(bis); + if (ret) + return ret; clrsetbits_le32(&clkctrl_regs->hw_clkctrl_enet, CLKCTRL_ENET_TIME_SEL_MASK | CLKCTRL_ENET_CLK_OUT_EN, diff --git a/board/denx/m28evk/spl_boot.c b/board/denx/m28evk/spl_boot.c index 525ba6ae75..5a1010e595 100644 --- a/board/denx/m28evk/spl_boot.c +++ b/board/denx/m28evk/spl_boot.c @@ -200,7 +200,7 @@ const iomux_cfg_t iomux_setup[] = { (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP), }; -void board_init_ll(void) +void board_init_ll(const uint32_t arg, const uint32_t *resptr) { - mxs_common_spl_init(iomux_setup, ARRAY_SIZE(iomux_setup)); + mxs_common_spl_init(arg, resptr, iomux_setup, ARRAY_SIZE(iomux_setup)); } diff --git a/board/freescale/mx23evk/spl_boot.c b/board/freescale/mx23evk/spl_boot.c index 054ca0a93b..603f4dcfd1 100644 --- a/board/freescale/mx23evk/spl_boot.c +++ b/board/freescale/mx23evk/spl_boot.c @@ -129,7 +129,7 @@ void mxs_adjust_memory_params(uint32_t *dram_vals) dram_vals[HW_DRAM_CTL14] = HW_DRAM_CTL14_CONFIG; } -void board_init_ll(void) +void board_init_ll(const uint32_t arg, const uint32_t *resptr) { - mxs_common_spl_init(iomux_setup, ARRAY_SIZE(iomux_setup)); + mxs_common_spl_init(arg, resptr, iomux_setup, ARRAY_SIZE(iomux_setup)); } diff --git a/board/freescale/mx28evk/iomux.c b/board/freescale/mx28evk/iomux.c index 6ca842ba86..97c2376da1 100644 --- a/board/freescale/mx28evk/iomux.c +++ b/board/freescale/mx28evk/iomux.c @@ -200,7 +200,7 @@ void mxs_adjust_memory_params(uint32_t *dram_vals) dram_vals[HW_DRAM_CTL29] = HW_DRAM_CTL29_CONFIG; } -void board_init_ll(void) +void board_init_ll(const uint32_t arg, const uint32_t *resptr) { - mxs_common_spl_init(iomux_setup, ARRAY_SIZE(iomux_setup)); + mxs_common_spl_init(arg, resptr, iomux_setup, ARRAY_SIZE(iomux_setup)); } diff --git a/board/freescale/mx28evk/mx28evk.c b/board/freescale/mx28evk/mx28evk.c index a307f27ef5..5005fe23dd 100644 --- a/board/freescale/mx28evk/mx28evk.c +++ b/board/freescale/mx28evk/mx28evk.c @@ -103,10 +103,12 @@ int board_eth_init(bd_t *bis) int ret; ret = cpu_eth_init(bis); + if (ret) + return ret; /* MX28EVK uses ENET_CLK PAD to drive FEC clock */ writel(CLKCTRL_ENET_TIME_SEL_RMII_CLK | CLKCTRL_ENET_CLK_OUT_EN, - &clkctrl_regs->hw_clkctrl_enet); + &clkctrl_regs->hw_clkctrl_enet); /* Power-on FECs */ gpio_direction_output(MX28_PAD_SSP1_DATA3__GPIO_2_15, 0); diff --git a/board/freescale/mx35pdk/mx35pdk.c b/board/freescale/mx35pdk/mx35pdk.c index 427c83a8ff..9fabef5af5 100644 --- a/board/freescale/mx35pdk/mx35pdk.c +++ b/board/freescale/mx35pdk/mx35pdk.c @@ -251,14 +251,12 @@ int board_late_init(void) int board_eth_init(bd_t *bis) { - int rc = -ENODEV; #if defined(CONFIG_SMC911X) - rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); + int rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); + if (rc) + return rc; #endif - - cpu_eth_init(bis); - - return rc; + return cpu_eth_init(bis); } #if defined(CONFIG_FSL_ESDHC) diff --git a/board/freescale/mx6qsabreauto/mx6qsabreauto.c b/board/freescale/mx6qsabreauto/mx6qsabreauto.c index 1cdf2cb097..c55ee8783d 100644 --- a/board/freescale/mx6qsabreauto/mx6qsabreauto.c +++ b/board/freescale/mx6qsabreauto/mx6qsabreauto.c @@ -200,7 +200,7 @@ int board_eth_init(bd_t *bis) if (ret) printf("FEC MXC: %s:failed\n", __func__); - return 0; + return ret; } #define BOARD_REV_B 0x200 diff --git a/board/freescale/mx6sabresd/mx6sabresd.c b/board/freescale/mx6sabresd/mx6sabresd.c index 5db516d5fd..9dbe605cf4 100644 --- a/board/freescale/mx6sabresd/mx6sabresd.c +++ b/board/freescale/mx6sabresd/mx6sabresd.c @@ -234,47 +234,172 @@ int board_phy_config(struct phy_device *phydev) } #if defined(CONFIG_VIDEO_IPUV3) -static struct fb_videomode const hdmi = { - .name = "HDMI", - .refresh = 60, - .xres = 1024, - .yres = 768, - .pixclock = 15385, - .left_margin = 220, - .right_margin = 40, - .upper_margin = 21, - .lower_margin = 7, - .hsync_len = 60, - .vsync_len = 10, - .sync = FB_SYNC_EXT, - .vmode = FB_VMODE_NONINTERLACED +struct display_info_t { + int bus; + int addr; + int pixfmt; + int (*detect)(struct display_info_t const *dev); + void (*enable)(struct display_info_t const *dev); + struct fb_videomode mode; }; -int board_video_skip(void) +static int detect_hdmi(struct display_info_t const *dev) { - int ret; + struct hdmi_regs *hdmi = (struct hdmi_regs *)HDMI_ARB_BASE_ADDR; + return readb(&hdmi->phy_stat0) & HDMI_DVI_STAT; +} - ret = ipuv3_fb_init(&hdmi, 0, IPU_PIX_FMT_RGB24); +static void do_enable_hdmi(struct display_info_t const *dev) +{ + imx_enable_hdmi_phy(); +} - if (ret) - printf("HDMI cannot be configured: %d\n", ret); +static void enable_lvds(struct display_info_t const *dev) +{ + struct iomuxc *iomux = (struct iomuxc *) + IOMUXC_BASE_ADDR; + u32 reg = readl(&iomux->gpr[2]); + reg |= IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT | + IOMUXC_GPR2_DATA_WIDTH_CH1_24BIT; + writel(reg, &iomux->gpr[2]); +} +static struct display_info_t const displays[] = {{ + .bus = -1, + .addr = 0, + .pixfmt = IPU_PIX_FMT_RGB24, + .detect = detect_hdmi, + .enable = do_enable_hdmi, + .mode = { + .name = "HDMI", + .refresh = 60, + .xres = 1024, + .yres = 768, + .pixclock = 15385, + .left_margin = 220, + .right_margin = 40, + .upper_margin = 21, + .lower_margin = 7, + .hsync_len = 60, + .vsync_len = 10, + .sync = FB_SYNC_EXT, + .vmode = FB_VMODE_NONINTERLACED +} }, { + .bus = -1, + .addr = 0, + .pixfmt = IPU_PIX_FMT_LVDS666, + .detect = NULL, + .enable = enable_lvds, + .mode = { + .name = "Hannstar-XGA", + .refresh = 60, + .xres = 1024, + .yres = 768, + .pixclock = 15385, + .left_margin = 220, + .right_margin = 40, + .upper_margin = 21, + .lower_margin = 7, + .hsync_len = 60, + .vsync_len = 10, + .sync = FB_SYNC_EXT, + .vmode = FB_VMODE_NONINTERLACED +} } }; - imx_enable_hdmi_phy(); - return ret; +int board_video_skip(void) +{ + int i; + int ret; + char const *panel = getenv("panel"); + if (!panel) { + for (i = 0; i < ARRAY_SIZE(displays); i++) { + struct display_info_t const *dev = displays+i; + if (dev->detect && dev->detect(dev)) { + panel = dev->mode.name; + printf("auto-detected panel %s\n", panel); + break; + } + } + if (!panel) { + panel = displays[0].mode.name; + printf("No panel detected: default to %s\n", panel); + i = 0; + } + } else { + for (i = 0; i < ARRAY_SIZE(displays); i++) { + if (!strcmp(panel, displays[i].mode.name)) + break; + } + } + if (i < ARRAY_SIZE(displays)) { + ret = ipuv3_fb_init(&displays[i].mode, 0, + displays[i].pixfmt); + if (!ret) { + displays[i].enable(displays+i); + printf("Display: %s (%ux%u)\n", + displays[i].mode.name, + displays[i].mode.xres, + displays[i].mode.yres); + } else + printf("LCD %s cannot be configured: %d\n", + displays[i].mode.name, ret); + } else { + printf("unsupported panel %s\n", panel); + return -EINVAL; + } + + return 0; } static void setup_display(void) { struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; + struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; int reg; enable_ipu_clock(); imx_setup_hdmi(); + /* Turn on LDB0, LDB1, IPU,IPU DI0 clocks */ + reg = __raw_readl(&mxc_ccm->CCGR3); + reg |= MXC_CCM_CCGR3_LDB_DI0_MASK | MXC_CCM_CCGR3_LDB_DI1_MASK; + writel(reg, &mxc_ccm->CCGR3); + + /* set LDB0, LDB1 clk select to 011/011 */ + reg = readl(&mxc_ccm->cs2cdr); + reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK + | MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK); + reg |= (3 << MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET) + | (3 << MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET); + writel(reg, &mxc_ccm->cs2cdr); + + reg = readl(&mxc_ccm->cscmr2); + reg |= MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV | MXC_CCM_CSCMR2_LDB_DI1_IPU_DIV; + writel(reg, &mxc_ccm->cscmr2); + reg = readl(&mxc_ccm->chsccdr); reg |= (CHSCCDR_CLK_SEL_LDB_DI0 << MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET); + reg |= (CHSCCDR_CLK_SEL_LDB_DI0 + << MXC_CCM_CHSCCDR_IPU1_DI1_CLK_SEL_OFFSET); writel(reg, &mxc_ccm->chsccdr); + + reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES + | IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_LOW + | IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW + | IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG + | IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT + | IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG + | IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT + | IOMUXC_GPR2_LVDS_CH0_MODE_DISABLED + | IOMUXC_GPR2_LVDS_CH1_MODE_ENABLED_DI0; + writel(reg, &iomux->gpr[2]); + + reg = readl(&iomux->gpr[3]); + reg = (reg & ~(IOMUXC_GPR3_LVDS1_MUX_CTL_MASK + | IOMUXC_GPR3_HDMI_MUX_CTL_MASK)) + | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0 + << IOMUXC_GPR3_LVDS1_MUX_CTL_OFFSET); + writel(reg, &iomux->gpr[3]); } #endif /* CONFIG_VIDEO_IPUV3 */ @@ -297,7 +422,7 @@ int board_eth_init(bd_t *bis) if (ret) printf("FEC MXC: %s:failed\n", __func__); - return 0; + return ret; } int board_early_init_f(void) diff --git a/board/freescale/mx6slevk/mx6slevk.c b/board/freescale/mx6slevk/mx6slevk.c index 5b6ef81a4b..643fdac2b3 100644 --- a/board/freescale/mx6slevk/mx6slevk.c +++ b/board/freescale/mx6slevk/mx6slevk.c @@ -18,6 +18,7 @@ #include <common.h> #include <fsl_esdhc.h> #include <mmc.h> +#include <netdev.h> DECLARE_GLOBAL_DATA_PTR; @@ -29,6 +30,12 @@ DECLARE_GLOBAL_DATA_PTR; PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \ PAD_CTL_SRE_FAST | PAD_CTL_HYS) +#define ENET_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_HYS) + +#define ETH_PHY_RESET IMX_GPIO_NR(4, 21) + int dram_init(void) { gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE); @@ -50,11 +57,35 @@ static iomux_v3_cfg_t const usdhc2_pads[] = { MX6_PAD_SD2_DAT3__USDHC2_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), }; +static iomux_v3_cfg_t const fec_pads[] = { + MX6_PAD_FEC_MDC__FEC_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_FEC_MDIO__FEC_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_FEC_CRS_DV__FEC_RX_DV | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_FEC_RXD0__FEC_RX_DATA0 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_FEC_RXD1__FEC_RX_DATA1 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_FEC_TX_EN__FEC_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_FEC_TXD0__FEC_TX_DATA0 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_FEC_TXD1__FEC_TX_DATA1 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_FEC_REF_CLK__FEC_REF_OUT | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_FEC_RX_ER__GPIO_4_19 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_FEC_TX_CLK__GPIO_4_21 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + static void setup_iomux_uart(void) { imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); } +static void setup_iomux_fec(void) +{ + imx_iomux_v3_setup_multiple_pads(fec_pads, ARRAY_SIZE(fec_pads)); + + /* Reset LAN8720 PHY */ + gpio_direction_output(ETH_PHY_RESET , 0); + udelay(1000); + gpio_set_value(ETH_PHY_RESET, 1); +} + static struct fsl_esdhc_cfg usdhc_cfg[1] = { {USDHC2_BASE_ADDR}, }; @@ -72,6 +103,40 @@ int board_mmc_init(bd_t *bis) return fsl_esdhc_initialize(bis, &usdhc_cfg[0]); } +#ifdef CONFIG_FEC_MXC +int board_eth_init(bd_t *bis) +{ + int ret; + + setup_iomux_fec(); + + ret = cpu_eth_init(bis); + if (ret) { + printf("FEC MXC: %s:failed\n", __func__); + return ret; + } + + return 0; +} + +static int setup_fec(void) +{ + struct iomuxc_base_regs *iomuxc_regs = + (struct iomuxc_base_regs *)IOMUXC_BASE_ADDR; + int ret; + + /* clear gpr1[14], gpr1[18:17] to select anatop clock */ + clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC_MASK, 0); + + ret = enable_fec_anatop_clock(); + if (ret) + return ret; + + return 0; +} +#endif + + int board_early_init_f(void) { setup_iomux_uart(); @@ -83,6 +148,9 @@ int board_init(void) /* address of boot parameters */ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; +#ifdef CONFIG_FEC_MXC + setup_fec(); +#endif return 0; } diff --git a/board/olimex/mx23_olinuxino/spl_boot.c b/board/olimex/mx23_olinuxino/spl_boot.c index 0a6630395d..5272dfa4e6 100644 --- a/board/olimex/mx23_olinuxino/spl_boot.c +++ b/board/olimex/mx23_olinuxino/spl_boot.c @@ -85,7 +85,7 @@ const iomux_cfg_t iomux_setup[] = { (MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_NOPULL), }; -void board_init_ll(void) +void board_init_ll(const uint32_t arg, const uint32_t *resptr) { - mxs_common_spl_init(iomux_setup, ARRAY_SIZE(iomux_setup)); + mxs_common_spl_init(arg, resptr, iomux_setup, ARRAY_SIZE(iomux_setup)); } diff --git a/board/sandisk/sansa_fuze_plus/Makefile b/board/sandisk/sansa_fuze_plus/Makefile new file mode 100644 index 0000000000..571cc077fa --- /dev/null +++ b/board/sandisk/sansa_fuze_plus/Makefile @@ -0,0 +1,31 @@ +# +# (C) Copyright 2000-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).o + +ifndef CONFIG_SPL_BUILD +COBJS := sfp.o +else +COBJS := spl_boot.o +endif + +SRCS := $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) + +$(LIB): $(obj).depend $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/sandisk/sansa_fuze_plus/sfp.c b/board/sandisk/sansa_fuze_plus/sfp.c new file mode 100644 index 0000000000..a3865ad56a --- /dev/null +++ b/board/sandisk/sansa_fuze_plus/sfp.c @@ -0,0 +1,388 @@ +/* + * SanDisk Sansa Fuze Plus board + * + * Copyright (C) 2013 Marek Vasut <marex@denx.de> + * + * Hardware investigation done by: + * + * Amaury Pouly <amaury.pouly@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <errno.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> + +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(bd_t *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(bd_t *bis) +{ + usb_eth_initialize(bis); + return 0; +} diff --git a/board/sandisk/sansa_fuze_plus/spl_boot.c b/board/sandisk/sansa_fuze_plus/spl_boot.c new file mode 100644 index 0000000000..825be829c7 --- /dev/null +++ b/board/sandisk/sansa_fuze_plus/spl_boot.c @@ -0,0 +1,140 @@ +/* + * SanDisk Sansa Fuze Plus setup + * + * Copyright (C) 2013 Marek Vasut <marex@denx.de> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <config.h> +#include <asm/io.h> +#include <asm/arch/iomux-mx23.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/sys_proto.h> + +#define MUX_CONFIG_EMI (MXS_PAD_1V8 | MXS_PAD_12MA | MXS_PAD_PULLUP) +#define MUX_CONFIG_SSP (MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_PULLUP) +#define MUX_CONFIG_LCD (MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_NOPULL) + +const iomux_cfg_t iomux_setup[] = { + /* EMI */ + MX23_PAD_EMI_D00__EMI_D00 | MUX_CONFIG_EMI, + MX23_PAD_EMI_D01__EMI_D01 | MUX_CONFIG_EMI, + MX23_PAD_EMI_D02__EMI_D02 | MUX_CONFIG_EMI, + MX23_PAD_EMI_D03__EMI_D03 | MUX_CONFIG_EMI, + MX23_PAD_EMI_D04__EMI_D04 | MUX_CONFIG_EMI, + MX23_PAD_EMI_D05__EMI_D05 | MUX_CONFIG_EMI, + MX23_PAD_EMI_D06__EMI_D06 | MUX_CONFIG_EMI, + MX23_PAD_EMI_D07__EMI_D07 | MUX_CONFIG_EMI, + MX23_PAD_EMI_D08__EMI_D08 | MUX_CONFIG_EMI, + MX23_PAD_EMI_D09__EMI_D09 | MUX_CONFIG_EMI, + MX23_PAD_EMI_D10__EMI_D10 | MUX_CONFIG_EMI, + MX23_PAD_EMI_D11__EMI_D11 | MUX_CONFIG_EMI, + MX23_PAD_EMI_D12__EMI_D12 | MUX_CONFIG_EMI, + MX23_PAD_EMI_D13__EMI_D13 | MUX_CONFIG_EMI, + MX23_PAD_EMI_D14__EMI_D14 | MUX_CONFIG_EMI, + MX23_PAD_EMI_D15__EMI_D15 | MUX_CONFIG_EMI, + MX23_PAD_EMI_DQM0__EMI_DQM0 | MUX_CONFIG_EMI, + MX23_PAD_EMI_DQM1__EMI_DQM1 | MUX_CONFIG_EMI, + MX23_PAD_EMI_DQS0__EMI_DQS0 | MUX_CONFIG_EMI, + MX23_PAD_EMI_DQS1__EMI_DQS1 | MUX_CONFIG_EMI, + MX23_PAD_EMI_CLK__EMI_CLK | MUX_CONFIG_EMI, + MX23_PAD_EMI_CLKN__EMI_CLKN | MUX_CONFIG_EMI, + + MX23_PAD_EMI_A00__EMI_A00 | MUX_CONFIG_EMI, + MX23_PAD_EMI_A01__EMI_A01 | MUX_CONFIG_EMI, + MX23_PAD_EMI_A02__EMI_A02 | MUX_CONFIG_EMI, + MX23_PAD_EMI_A03__EMI_A03 | MUX_CONFIG_EMI, + MX23_PAD_EMI_A04__EMI_A04 | MUX_CONFIG_EMI, + MX23_PAD_EMI_A05__EMI_A05 | MUX_CONFIG_EMI, + MX23_PAD_EMI_A06__EMI_A06 | MUX_CONFIG_EMI, + MX23_PAD_EMI_A07__EMI_A07 | MUX_CONFIG_EMI, + MX23_PAD_EMI_A08__EMI_A08 | MUX_CONFIG_EMI, + MX23_PAD_EMI_A09__EMI_A09 | MUX_CONFIG_EMI, + MX23_PAD_EMI_A10__EMI_A10 | MUX_CONFIG_EMI, + MX23_PAD_EMI_A11__EMI_A11 | MUX_CONFIG_EMI, + MX23_PAD_EMI_A12__EMI_A12 | MUX_CONFIG_EMI, + MX23_PAD_EMI_BA0__EMI_BA0 | MUX_CONFIG_EMI, + MX23_PAD_EMI_BA1__EMI_BA1 | MUX_CONFIG_EMI, + + MX23_PAD_EMI_CASN__EMI_CASN | MUX_CONFIG_EMI, + MX23_PAD_EMI_CE0N__EMI_CE0N | MUX_CONFIG_EMI, + MX23_PAD_EMI_CE1N__EMI_CE1N | MUX_CONFIG_EMI, + MX23_PAD_EMI_CKE__EMI_CKE | MUX_CONFIG_EMI, + MX23_PAD_EMI_RASN__EMI_RASN | MUX_CONFIG_EMI, + MX23_PAD_EMI_WEN__EMI_WEN | MUX_CONFIG_EMI, + + 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, + + MX23_PAD_SSP1_CMD__SSP1_CMD | MUX_CONFIG_SSP, + MX23_PAD_SSP1_DETECT__GPIO_2_1 | MUX_CONFIG_SSP, + MX23_PAD_SSP1_DATA0__SSP1_DATA0 | MUX_CONFIG_SSP, + MX23_PAD_SSP1_DATA1__SSP1_DATA1 | MUX_CONFIG_SSP, + MX23_PAD_SSP1_DATA2__SSP1_DATA2 | MUX_CONFIG_SSP, + MX23_PAD_SSP1_DATA3__SSP1_DATA3 | MUX_CONFIG_SSP, + MX23_PAD_SSP1_SCK__SSP1_SCK | MUX_CONFIG_SSP, + MX23_PAD_GPMI_D08__GPIO_0_8 | MUX_CONFIG_SSP, + + MX23_PAD_GPMI_D00__SSP2_DATA0 | MUX_CONFIG_SSP, + MX23_PAD_GPMI_D01__SSP2_DATA1 | MUX_CONFIG_SSP, + MX23_PAD_GPMI_D02__SSP2_DATA2 | MUX_CONFIG_SSP, + MX23_PAD_GPMI_D03__SSP2_DATA3 | MUX_CONFIG_SSP, + MX23_PAD_GPMI_D04__SSP2_DATA4 | MUX_CONFIG_SSP, + MX23_PAD_GPMI_D05__SSP2_DATA5 | MUX_CONFIG_SSP, + MX23_PAD_GPMI_D06__SSP2_DATA6 | MUX_CONFIG_SSP, + MX23_PAD_GPMI_D07__SSP2_DATA7 | MUX_CONFIG_SSP, + MX23_PAD_GPMI_RDY1__SSP2_CMD | MUX_CONFIG_SSP, + MX23_PAD_GPMI_WRN__SSP2_SCK | + (MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_NOPULL), + MX23_PAD_PWM3__GPIO_1_29 | MUX_CONFIG_SSP, + + /* PWM -- FIXME */ + MX23_PAD_PWM2__GPIO_1_28 | MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_PULLUP, +}; + +void mxs_adjust_memory_params(uint32_t *dram_vals) +{ + /* mDDR configuration values */ + const uint32_t regs[] = { + 0x01010001, 0x00010000, 0x01000000, 0x00000001, + 0x00010101, 0x00000001, 0x00010000, 0x01000001, + 0x01010000, 0x00000001, 0x07000200, 0x04070203, + 0x02020002, 0x06070a02, 0x0d000201, 0x0305000d, + 0x02080800, 0x19330f0a, 0x1f1f1c00, 0x020a1313, + 0x03061323, 0x0000000a, 0x00080008, 0x00200020, + 0x00200020, 0x00200020, 0x000003f7, 0x00000000, + 0x00000000, 0x00000000, 0x00000020, 0x00000000, + 0x001023cd, 0x20410010, 0x00006665, 0x00000000, + 0x00000101, 0x00000001, 0x00000000, 0x00000000, + }; + memcpy(dram_vals, regs, sizeof(regs)); +} + +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/schulercontrol/sc_sps_1/spl_boot.c b/board/schulercontrol/sc_sps_1/spl_boot.c index 1fe9224e5a..60195c3a7d 100644 --- a/board/schulercontrol/sc_sps_1/spl_boot.c +++ b/board/schulercontrol/sc_sps_1/spl_boot.c @@ -138,9 +138,9 @@ const iomux_cfg_t iomux_setup[] = { MX28_PAD_GPMI_D06__GPIO_0_6 | MUX_CONFIG_LED, }; -void board_init_ll(void) +void board_init_ll(const uint32_t arg, const uint32_t *resptr) { - mxs_common_spl_init(iomux_setup, ARRAY_SIZE(iomux_setup)); + mxs_common_spl_init(arg, resptr, iomux_setup, ARRAY_SIZE(iomux_setup)); } void mxs_adjust_memory_params(uint32_t *dram_vals) diff --git a/board/ti/am335x/board.c b/board/ti/am335x/board.c index cc0442612f..c2fc5a613b 100644 --- a/board/ti/am335x/board.c +++ b/board/ti/am335x/board.c @@ -26,6 +26,8 @@ #include <i2c.h> #include <miiphy.h> #include <cpsw.h> +#include <power/tps65217.h> +#include <power/tps65910.h> #include "board.h" DECLARE_GLOBAL_DATA_PTR; @@ -244,6 +246,150 @@ const struct dpll_params dpll_ddr_evm_sk = { const struct dpll_params dpll_ddr_bone_black = { 400, OSC-1, 1, -1, -1, -1, -1}; +void am33xx_spl_board_init(void) +{ + struct am335x_baseboard_id header; + int mpu_vdd; + + if (read_eeprom(&header) < 0) + puts("Could not get board ID.\n"); + + /* Get the frequency */ + dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev); + + if (board_is_bone(&header) || board_is_bone_lt(&header)) { + /* BeagleBone PMIC Code */ + int usb_cur_lim; + + /* + * Only perform PMIC configurations if board rev > A1 + * on Beaglebone White + */ + if (board_is_bone(&header) && !strncmp(header.version, + "00A1", 4)) + return; + + if (i2c_probe(TPS65217_CHIP_PM)) + return; + + /* + * On Beaglebone White we need to ensure we have AC power + * before increasing the frequency. + */ + if (board_is_bone(&header)) { + uchar pmic_status_reg; + if (tps65217_reg_read(TPS65217_STATUS, + &pmic_status_reg)) + return; + if (!(pmic_status_reg & TPS65217_PWR_SRC_AC_BITMASK)) { + puts("No AC power, disabling frequency switch\n"); + return; + } + } + + /* + * Override what we have detected since we know if we have + * a Beaglebone Black it supports 1GHz. + */ + if (board_is_bone_lt(&header)) + dpll_mpu_opp100.m = MPUPLL_M_1000; + + /* + * Increase USB current limit to 1300mA or 1800mA and set + * the MPU voltage controller as needed. + */ + if (dpll_mpu_opp100.m == MPUPLL_M_1000) { + usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA; + mpu_vdd = TPS65217_DCDC_VOLT_SEL_1325MV; + } else { + usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA; + mpu_vdd = TPS65217_DCDC_VOLT_SEL_1275MV; + } + + if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, + TPS65217_POWER_PATH, + usb_cur_lim, + TPS65217_USB_INPUT_CUR_LIMIT_MASK)) + puts("tps65217_reg_write failure\n"); + + /* Set DCDC3 (CORE) voltage to 1.125V */ + if (tps65217_voltage_update(TPS65217_DEFDCDC3, + TPS65217_DCDC_VOLT_SEL_1125MV)) { + puts("tps65217_voltage_update failure\n"); + return; + } + + /* Set CORE Frequencies to OPP100 */ + do_setup_dpll(&dpll_core_regs, &dpll_core_opp100); + + /* Set DCDC2 (MPU) voltage */ + if (tps65217_voltage_update(TPS65217_DEFDCDC2, mpu_vdd)) { + puts("tps65217_voltage_update failure\n"); + return; + } + + /* + * Set LDO3, LDO4 output voltage to 3.3V for Beaglebone. + * Set LDO3 to 1.8V and LDO4 to 3.3V for Beaglebone Black. + */ + if (board_is_bone(&header)) { + if (tps65217_reg_write(TPS65217_PROT_LEVEL_2, + TPS65217_DEFLS1, + TPS65217_LDO_VOLTAGE_OUT_3_3, + TPS65217_LDO_MASK)) + puts("tps65217_reg_write failure\n"); + } else { + if (tps65217_reg_write(TPS65217_PROT_LEVEL_2, + TPS65217_DEFLS1, + TPS65217_LDO_VOLTAGE_OUT_1_8, + TPS65217_LDO_MASK)) + puts("tps65217_reg_write failure\n"); + } + + if (tps65217_reg_write(TPS65217_PROT_LEVEL_2, + TPS65217_DEFLS2, + TPS65217_LDO_VOLTAGE_OUT_3_3, + TPS65217_LDO_MASK)) + puts("tps65217_reg_write failure\n"); + } else { + int sil_rev; + + /* + * The GP EVM, IDK and EVM SK use a TPS65910 PMIC. For all + * MPU frequencies we support we use a CORE voltage of + * 1.1375V. For MPU voltage we need to switch based on + * the frequency we are running at. + */ + if (i2c_probe(TPS65910_CTRL_I2C_ADDR)) + return; + + /* + * Depending on MPU clock and PG we will need a different + * VDD to drive at that speed. + */ + sil_rev = readl(&cdev->deviceid) >> 28; + mpu_vdd = am335x_get_tps65910_mpu_vdd(sil_rev, + dpll_mpu_opp100.m); + + /* Tell the TPS65910 to use i2c */ + tps65910_set_i2c_control(); + + /* First update MPU voltage. */ + if (tps65910_voltage_update(MPU, mpu_vdd)) + return; + + /* Second, update the CORE voltage. */ + if (tps65910_voltage_update(CORE, TPS65910_OP_REG_SEL_1_1_3)) + return; + + /* Set CORE Frequencies to OPP100 */ + do_setup_dpll(&dpll_core_regs, &dpll_core_opp100); + } + + /* Set MPU Frequency to what we detected now that voltages are set */ + do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100); +} + const struct dpll_params *get_dpll_ddr_params(void) { struct am335x_baseboard_id header; |