diff options
51 files changed, 624 insertions, 155 deletions
diff --git a/arch/arm/cpu/armv7/am33xx/board.c b/arch/arm/cpu/armv7/am33xx/board.c index 28c16f8d02..7fe049e513 100644 --- a/arch/arm/cpu/armv7/am33xx/board.c +++ b/arch/arm/cpu/armv7/am33xx/board.c @@ -144,6 +144,19 @@ int arch_misc_init(void) #ifndef CONFIG_SKIP_LOWLEVEL_INIT /* + * In the case of non-SPL based booting we'll want to call these + * functions a tiny bit later as it will require gd to be set and cleared + * and that's not true in s_init in this case so we cannot do it there. + */ +int board_early_init_f(void) +{ + prcm_init(); + set_mux_conf_regs(); + + return 0; +} + +/* * This function is the place to do per-board things such as ramp up the * MPU clock frequency. */ @@ -224,7 +237,7 @@ void s_init(void) set_uart_mux_conf(); setup_clocks_for_console(); uart_soft_reset(); -#ifdef CONFIG_NOR_BOOT +#if defined(CONFIG_NOR_BOOT) || defined(CONFIG_QSPI_BOOT) gd->baudrate = CONFIG_BAUDRATE; serial_init(); gd->have_console = 1; @@ -232,13 +245,14 @@ void s_init(void) gd = &gdata; preloader_console_init(); #endif - prcm_init(); - set_mux_conf_regs(); #if defined(CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC) /* Enable RTC32K clock */ rtc32k_enable(); #endif +#ifdef CONFIG_SPL_BUILD + board_early_init_f(); sdram_init(); +#endif } #endif diff --git a/arch/arm/cpu/armv7/am33xx/clock.c b/arch/arm/cpu/armv7/am33xx/clock.c index 0672798fe0..ec7d46838b 100644 --- a/arch/arm/cpu/armv7/am33xx/clock.c +++ b/arch/arm/cpu/armv7/am33xx/clock.c @@ -170,8 +170,19 @@ void do_enable_clocks(u32 *const *clk_domains, }; } +/* + * Before scaling up the clocks we need to have the PMIC scale up the + * voltages first. This will be dependent on which PMIC is in use + * and in some cases we may not be scaling things up at all and thus not + * need to do anything here. + */ +__weak void scale_vcores(void) +{ +} + void prcm_init() { enable_basic_clocks(); + scale_vcores(); setup_dplls(); } diff --git a/arch/arm/cpu/armv7/am33xx/clock_am43xx.c b/arch/arm/cpu/armv7/am33xx/clock_am43xx.c index d0bc2340c8..31188c85bc 100644 --- a/arch/arm/cpu/armv7/am33xx/clock_am43xx.c +++ b/arch/arm/cpu/armv7/am33xx/clock_am43xx.c @@ -53,6 +53,8 @@ const struct dpll_regs dpll_ddr_regs = { void setup_clocks_for_console(void) { + u32 clkctrl, idlest = MODULE_CLKCTRL_IDLEST_DISABLED; + /* Do not add any spl_debug prints in this function */ clrsetbits_le32(&cmwkup->wkclkstctrl, CD_CLKCTRL_CLKTRCTRL_MASK, CD_CLKCTRL_CLKTRCTRL_SW_WKUP << @@ -63,6 +65,13 @@ void setup_clocks_for_console(void) MODULE_CLKCTRL_MODULEMODE_MASK, MODULE_CLKCTRL_MODULEMODE_SW_EXPLICIT_EN << MODULE_CLKCTRL_MODULEMODE_SHIFT); + + while ((idlest == MODULE_CLKCTRL_IDLEST_DISABLED) || + (idlest == MODULE_CLKCTRL_IDLEST_TRANSITIONING)) { + clkctrl = readl(&cmwkup->wkup_uart0ctrl); + idlest = (clkctrl & MODULE_CLKCTRL_IDLEST_MASK) >> + MODULE_CLKCTRL_IDLEST_SHIFT; + } } void enable_basic_clocks(void) diff --git a/arch/arm/cpu/armv7/am33xx/emif4.c b/arch/arm/cpu/armv7/am33xx/emif4.c index 2c67c322ca..a7a3e88cd7 100644 --- a/arch/arm/cpu/armv7/am33xx/emif4.c +++ b/arch/arm/cpu/armv7/am33xx/emif4.c @@ -21,6 +21,10 @@ DECLARE_GLOBAL_DATA_PTR; int dram_init(void) { +#ifndef CONFIG_SKIP_LOWLEVEL_INIT + sdram_init(); +#endif + /* dram_init must store complete ramsize in gd->ram_size */ gd->ram_size = get_ram_size( (void *)CONFIG_SYS_SDRAM_BASE, diff --git a/arch/arm/cpu/armv7/keystone/init.c b/arch/arm/cpu/armv7/keystone/init.c index 044015aed6..4df5ae1cae 100644 --- a/arch/arm/cpu/armv7/keystone/init.c +++ b/arch/arm/cpu/armv7/keystone/init.c @@ -8,6 +8,7 @@ */ #include <common.h> +#include <ns16550.h> #include <asm/io.h> #include <asm/arch/clock.h> #include <asm/arch/hardware.h> @@ -30,6 +31,14 @@ int arch_cpu_init(void) share_all_segments(11); /* PCIE */ #endif + /* + * just initialise the COM2 port so that TI specific + * UART register PWREMU_MGMT is initialized. Linux UART + * driver doesn't handle this. + */ + NS16550_init((NS16550_t)(CONFIG_SYS_NS16550_COM2), + CONFIG_SYS_NS16550_CLK / 16 / CONFIG_BAUDRATE); + return 0; } diff --git a/arch/arm/cpu/armv7/omap3/mem.c b/arch/arm/cpu/armv7/omap3/mem.c index e649409654..1832affa5b 100644 --- a/arch/arm/cpu/armv7/omap3/mem.c +++ b/arch/arm/cpu/armv7/omap3/mem.c @@ -21,17 +21,6 @@ struct gpmc *gpmc_cfg; #if defined(CONFIG_CMD_NAND) -#if defined(GPMC_NAND_ECC_SP_x8_LAYOUT) || defined(GPMC_NAND_ECC_LP_x8_LAYOUT) -static const u32 gpmc_m_nand[GPMC_MAX_REG] = { - SMNAND_GPMC_CONFIG1, - SMNAND_GPMC_CONFIG2, - SMNAND_GPMC_CONFIG3, - SMNAND_GPMC_CONFIG4, - SMNAND_GPMC_CONFIG5, - SMNAND_GPMC_CONFIG6, - 0, -}; -#else static const u32 gpmc_m_nand[GPMC_MAX_REG] = { M_NAND_GPMC_CONFIG1, M_NAND_GPMC_CONFIG2, @@ -40,7 +29,6 @@ static const u32 gpmc_m_nand[GPMC_MAX_REG] = { M_NAND_GPMC_CONFIG5, M_NAND_GPMC_CONFIG6, 0 }; -#endif #endif /* CONFIG_CMD_NAND */ #if defined(CONFIG_CMD_ONENAND) diff --git a/arch/arm/include/asm/arch-am33xx/clock.h b/arch/arm/include/asm/arch-am33xx/clock.h index f00fad38fe..4af6b57e42 100644 --- a/arch/arm/include/asm/arch-am33xx/clock.h +++ b/arch/arm/include/asm/arch-am33xx/clock.h @@ -107,6 +107,7 @@ const struct dpll_params *get_dpll_mpu_params(void); const struct dpll_params *get_dpll_core_params(void); const struct dpll_params *get_dpll_per_params(void); const struct dpll_params *get_dpll_ddr_params(void); +void scale_vcores(void); void do_setup_dpll(const struct dpll_regs *, const struct dpll_params *); void prcm_init(void); void enable_basic_clocks(void); diff --git a/arch/arm/include/asm/arch-am33xx/cpu.h b/arch/arm/include/asm/arch-am33xx/cpu.h index d9f0306b0a..aa10fab4dd 100644 --- a/arch/arm/include/asm/arch-am33xx/cpu.h +++ b/arch/arm/include/asm/arch-am33xx/cpu.h @@ -26,7 +26,17 @@ #define TCLR_PRE BIT(5) /* Pre-scaler enable */ #define TCLR_PTV_SHIFT (2) /* Pre-scaler shift value */ #define TCLR_PRE_DISABLE CL_BIT(5) /* Pre-scalar disable */ - +#define TCLR_CE BIT(6) /* compare mode enable */ +#define TCLR_SCPWM BIT(7) /* pwm outpin behaviour */ +#define TCLR_TCM BIT(8) /* edge detection of input pin*/ +#define TCLR_TRG_SHIFT (10) /* trigmode on pwm outpin */ +#define TCLR_PT BIT(12) /* pulse/toggle mode of outpin*/ +#define TCLR_CAPTMODE BIT(13) /* capture mode */ +#define TCLR_GPOCFG BIT(14) /* 0=output,1=input */ + +#define TCFG_RESET BIT(0) /* software reset */ +#define TCFG_EMUFREE BIT(1) /* behaviour of tmr on debug */ +#define TCFG_IDLEMOD_SHIFT (2) /* power management */ /* device type */ #define DEVICE_MASK (BIT(8) | BIT(9) | BIT(10)) #define TST_DEVICE 0x0 @@ -87,7 +97,8 @@ struct cm_wkuppll { unsigned int wkctrlclkctrl; /* offset 0x04 */ unsigned int wkgpio0clkctrl; /* offset 0x08 */ unsigned int wkl4wkclkctrl; /* offset 0x0c */ - unsigned int resv2[4]; + unsigned int timer0clkctrl; /* offset 0x10 */ + unsigned int resv2[3]; unsigned int idlestdpllmpu; /* offset 0x20 */ unsigned int resv3[2]; unsigned int clkseldpllmpu; /* offset 0x2c */ @@ -121,7 +132,9 @@ struct cm_wkuppll { unsigned int wkup_uart0ctrl; /* offset 0xB4 */ unsigned int wkup_i2c0ctrl; /* offset 0xB8 */ unsigned int wkup_adctscctrl; /* offset 0xBC */ - unsigned int resv12[6]; + unsigned int resv12; + unsigned int timer1clkctrl; /* offset 0xC4 */ + unsigned int resv13[4]; unsigned int divm6dpllcore; /* offset 0xD8 */ }; @@ -178,7 +191,9 @@ struct cm_perpll { unsigned int epwmss2clkctrl; /* offset 0xD8 */ unsigned int l3instrclkctrl; /* offset 0xDC */ unsigned int l3clkctrl; /* Offset 0xE0 */ - unsigned int resv8[4]; + unsigned int resv8[2]; + unsigned int timer5clkctrl; /* offset 0xEC */ + unsigned int timer6clkctrl; /* offset 0xF0 */ unsigned int mmc1clkctrl; /* offset 0xF4 */ unsigned int mmc2clkctrl; /* offset 0xF8 */ unsigned int resv9[8]; @@ -191,9 +206,17 @@ struct cm_perpll { /* Encapsulating Display pll registers */ struct cm_dpll { - unsigned int resv1[2]; + unsigned int resv1; + unsigned int clktimer7clk; /* offset 0x04 */ unsigned int clktimer2clk; /* offset 0x08 */ - unsigned int resv2[10]; + unsigned int clktimer3clk; /* offset 0x0C */ + unsigned int clktimer4clk; /* offset 0x10 */ + unsigned int resv2; + unsigned int clktimer5clk; /* offset 0x18 */ + unsigned int clktimer6clk; /* offset 0x1C */ + unsigned int resv3[2]; + unsigned int clktimer1clk; /* offset 0x28 */ + unsigned int resv4[2]; unsigned int clklcdcpixelclk; /* offset 0x34 */ }; #else diff --git a/arch/arm/include/asm/arch-keystone/hardware-k2hk.h b/arch/arm/include/asm/arch-keystone/hardware-k2hk.h index 50ff13a3b2..7ac2662f1f 100644 --- a/arch/arm/include/asm/arch-keystone/hardware-k2hk.h +++ b/arch/arm/include/asm/arch-keystone/hardware-k2hk.h @@ -115,8 +115,6 @@ #define K2HK_LPSC_ARM_SREFLEX 51 #define K2HK_LPSC_TETRIS 52 -#define K2HK_UART0_BASE 0x02530c00 - /* DDR3A definitions */ #define K2HK_DDR3A_EMIF_CTRL_BASE 0x21010000 #define K2HK_DDR3A_EMIF_DATA_BASE 0x80000000 diff --git a/arch/arm/include/asm/arch-keystone/hardware.h b/arch/arm/include/asm/arch-keystone/hardware.h index a305a0cc09..6c532ca870 100644 --- a/arch/arm/include/asm/arch-keystone/hardware.h +++ b/arch/arm/include/asm/arch-keystone/hardware.h @@ -142,6 +142,9 @@ struct ddr3_emif_config { #define KS2_DDR3_PMCTL_OFFSET 0x38 #define KS2_DDR3_ZQCFG_OFFSET 0xC8 +#define KS2_UART0_BASE 0x02530c00 +#define KS2_UART1_BASE 0x02531000 + #ifdef CONFIG_SOC_K2HK #include <asm/arch/hardware-k2hk.h> #endif diff --git a/arch/arm/include/asm/arch-omap3/mem.h b/arch/arm/include/asm/arch-omap3/mem.h index bdb1435291..d2dfb1e19a 100644 --- a/arch/arm/include/asm/arch-omap3/mem.h +++ b/arch/arm/include/asm/arch-omap3/mem.h @@ -354,14 +354,6 @@ enum { #define GPMC_CS_ENABLE 0x1 -#define SMNAND_GPMC_CONFIG1 0x00000800 -#define SMNAND_GPMC_CONFIG2 0x00141400 -#define SMNAND_GPMC_CONFIG3 0x00141400 -#define SMNAND_GPMC_CONFIG4 0x0F010F01 -#define SMNAND_GPMC_CONFIG5 0x010C1414 -#define SMNAND_GPMC_CONFIG6 0x1F0F0A80 -#define SMNAND_GPMC_CONFIG7 0x00000C44 - #define M_NAND_GPMC_CONFIG1 0x00001800 #define M_NAND_GPMC_CONFIG2 0x00141400 #define M_NAND_GPMC_CONFIG3 0x00141400 diff --git a/board/BuR/tseries/board.c b/board/BuR/tseries/board.c index f0510e599e..c0178e75cf 100644 --- a/board/BuR/tseries/board.c +++ b/board/BuR/tseries/board.c @@ -117,7 +117,9 @@ void sdram_init(void) int board_init(void) { gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; +#ifdef CONFIG_NAND gpmc_init(); +#endif return 0; } diff --git a/board/BuR/tseries/mux.c b/board/BuR/tseries/mux.c index 3c76e96926..210ac71738 100644 --- a/board/BuR/tseries/mux.c +++ b/board/BuR/tseries/mux.c @@ -27,6 +27,11 @@ static struct module_pin_mux uart0_pin_mux[] = { }; #ifdef CONFIG_MMC static struct module_pin_mux mmc1_pin_mux[] = { + {OFFSET(gpmc_ad7), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT7 */ + {OFFSET(gpmc_ad6), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT6 */ + {OFFSET(gpmc_ad5), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT5 */ + {OFFSET(gpmc_ad4), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT4 */ + {OFFSET(gpmc_ad3), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT3 */ {OFFSET(gpmc_ad2), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT2 */ {OFFSET(gpmc_ad1), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT1 */ @@ -125,7 +130,7 @@ static struct module_pin_mux gpIOs[] = { {OFFSET(mmc0_dat3), (MODE(3) | PULLUDEN | RXACTIVE)}, /* TIMER6 (MMC0_DAT2) - PWM_BACK_3V3, later used as MODE3 for PWM */ {OFFSET(mmc0_dat2), (MODE(7) | PULLUDEN | RXACTIVE)}, - /* GPIO2_28 (MMC0_DAT1) - MII_nNAND */ + /* GPIO2_27 (MMC0_DAT1) - MII_nNAND */ {OFFSET(mmc0_dat1), (MODE(7) | PULLUDEN | RXACTIVE)}, /* GPIO2_29 (MMC0_DAT0) - NAND_1n0 */ {OFFSET(mmc0_dat0), (MODE(7) | PULLUDEN | RXACTIVE)}, @@ -148,7 +153,7 @@ static struct module_pin_mux gpIOs[] = { * DISPLAY_ONOFF (Backlight Enable at LVDS Versions) */ {OFFSET(ecap0_in_pwm0_out), (MODE(7) | PULLUDEN | RXACTIVE)}, - /* GPIO0_19 (DMA_INTR0) - ISPLAY_MODE (CPLD) */ + /* GPIO0_19 (DMA_INTR0) - DISPLAY_MODE (CPLD) */ {OFFSET(xdma_event_intr0), (MODE(7) | PULLUDEN | PULLUP_EN | RXACTIVE)}, /* GPIO0_20 (DMA_INTR1) - REP-Switch */ {OFFSET(xdma_event_intr1), (MODE(7) | PULLUP_EN | RXACTIVE)}, diff --git a/board/compulab/cm_t35/cm_t35.c b/board/compulab/cm_t35/cm_t35.c index 00bcf41bb3..0944903ec8 100644 --- a/board/compulab/cm_t35/cm_t35.c +++ b/board/compulab/cm_t35/cm_t35.c @@ -54,12 +54,12 @@ static u32 gpmc_net_config[GPMC_MAX_REG] = { }; static u32 gpmc_nand_config[GPMC_MAX_REG] = { - SMNAND_GPMC_CONFIG1, - SMNAND_GPMC_CONFIG2, - SMNAND_GPMC_CONFIG3, - SMNAND_GPMC_CONFIG4, - SMNAND_GPMC_CONFIG5, - SMNAND_GPMC_CONFIG6, + M_NAND_GPMC_CONFIG1, + M_NAND_GPMC_CONFIG2, + M_NAND_GPMC_CONFIG3, + M_NAND_GPMC_CONFIG4, + M_NAND_GPMC_CONFIG5, + M_NAND_GPMC_CONFIG6, 0, }; diff --git a/board/ti/am43xx/Makefile b/board/ti/am43xx/Makefile index cb5fe88901..36ecb302c1 100644 --- a/board/ti/am43xx/Makefile +++ b/board/ti/am43xx/Makefile @@ -6,7 +6,7 @@ # SPDX-License-Identifier: GPL-2.0+ # -ifdef CONFIG_SPL_BUILD +ifeq ($(CONFIG_SKIP_LOWLEVEL_INIT),) obj-y := mux.o endif diff --git a/board/ti/am43xx/board.c b/board/ti/am43xx/board.c index d7449770a3..71af1ae7c8 100644 --- a/board/ti/am43xx/board.c +++ b/board/ti/am43xx/board.c @@ -19,6 +19,7 @@ #include <asm/arch/gpio.h> #include <asm/emif.h> #include "board.h" +#include <power/tps65218.h> #include <miiphy.h> #include <cpsw.h> @@ -70,7 +71,7 @@ static int read_eeprom(struct am43xx_board_id *header) return 0; } -#ifdef CONFIG_SPL_BUILD +#ifndef CONFIG_SKIP_LOWLEVEL_INIT #define NUM_OPPS 6 @@ -254,13 +255,6 @@ void emif_get_ext_phy_ctrl_const_regs(const u32 **regs, u32 *size) const struct dpll_params *get_dpll_ddr_params(void) { - struct am43xx_board_id header; - - enable_i2c0_pin_mux(); - i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE); - if (read_eeprom(&header) < 0) - puts("Could not get board ID.\n"); - if (board_is_eposevm()) return &epos_evm_dpll_ddr; else if (board_is_gpevm()) @@ -302,7 +296,10 @@ static u32 get_sys_clk_index(void) static int get_opp_offset(int max_off, int min_off) { struct ctrl_stat *ctrl = (struct ctrl_stat *)CTRL_BASE; - int opp = readl(&ctrl->dev_attr), offset, i; + int opp, offset, i; + + /* Bits 0:11 are defined to be the MPU_MAX_FREQ */ + opp = readl(&ctrl->dev_attr) & ~0xFFFFF000; for (i = max_off; i >= min_off; i--) { offset = opp & (1 << i); @@ -335,6 +332,46 @@ const struct dpll_params *get_dpll_per_params(void) return &dpll_per[ind]; } +void scale_vcores(void) +{ + const struct dpll_params *mpu_params; + int mpu_vdd; + struct am43xx_board_id header; + + enable_i2c0_pin_mux(); + i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE); + if (read_eeprom(&header) < 0) + puts("Could not get board ID.\n"); + + /* Get the frequency */ + mpu_params = get_dpll_mpu_params(); + + if (i2c_probe(TPS65218_CHIP_PM)) + return; + + if (mpu_params->m == 1000) { + mpu_vdd = TPS65218_DCDC_VOLT_SEL_1330MV; + } else if (mpu_params->m == 600) { + mpu_vdd = TPS65218_DCDC_VOLT_SEL_1100MV; + } else { + puts("Unknown MPU clock, not scaling\n"); + return; + } + + /* Set DCDC1 (CORE) voltage to 1.1V */ + if (tps65218_voltage_update(TPS65218_DCDC1, + TPS65218_DCDC_VOLT_SEL_1100MV)) { + puts("tps65218_voltage_update failure\n"); + return; + } + + /* Set DCDC2 (MPU) voltage */ + if (tps65218_voltage_update(TPS65218_DCDC2, mpu_vdd)) { + puts("tps65218_voltage_update failure\n"); + return; + } +} + void set_uart_mux_conf(void) { enable_uart0_pin_mux(); diff --git a/boards.cfg b/boards.cfg index 866f51287b..5a85fad480 100644 --- a/boards.cfg +++ b/boards.cfg @@ -279,6 +279,7 @@ Active arm armv7 am33xx ti am335x Active arm armv7 am33xx ti am335x am335x_evm_uart5 am335x_evm:SERIAL6,CONS_INDEX=6,NAND Tom Rini <trini@ti.com> Active arm armv7 am33xx ti am335x am335x_evm_usbspl am335x_evm:SERIAL1,CONS_INDEX=1,NAND,SPL_USBETH_SUPPORT Tom Rini <trini@ti.com> Active arm armv7 am33xx ti am43xx am43xx_evm am43xx_evm:SERIAL1,CONS_INDEX=1 Lokesh Vutla <lokeshvutla@ti.com> +Active arm armv7 am33xx ti am43xx am43xx_evm_qspiboot am43xx_evm:SERIAL1,CONS_INDEX=1,QSPI,QSPI_BOOT Lokesh Vutla <lokeshvutla@ti.com> Active arm armv7 am33xx ti ti814x ti814x_evm - Matt Porter <matt.porter@linaro.org> Active arm armv7 am33xx ti ti816x ti816x_evm - - Active arm armv7 at91 atmel sama5d3_xplained sama5d3_xplained_mmc sama5d3_xplained:SAMA5D3,SYS_USE_MMC Bo Shen <voice.shen@atmel.com> diff --git a/doc/README.nand b/doc/README.nand index b91f1985d1..70cf768d23 100644 --- a/doc/README.nand +++ b/doc/README.nand @@ -190,6 +190,24 @@ Configuration Options: This is used by SoC platforms which do not have built-in ELM hardware engine required for BCH ECC correction. + CONFIG_SYS_NAND_BUSWIDTH_16BIT + Indicates that NAND device has 16-bit wide data-bus. In absence of this + config, bus-width of NAND device is assumed to be either 8-bit and later + determined by reading ONFI params. + Above config is useful when NAND device's bus-width information cannot + be determined from on-chip ONFI params, like in following scenarios: + - SPL boot does not support reading of ONFI parameters. This is done to + keep SPL code foot-print small. + - In current U-Boot flow using nand_init(), driver initialization + happens in board_nand_init() which is called before any device probe + (nand_scan_ident + nand_scan_tail), thus device's ONFI parameters are + not available while configuring controller. So a static CONFIG_NAND_xx + is needed to know the device's bus-width in advance. + Some drivers using above config are: + drivers/mtd/nand/mxc_nand.c + drivers/mtd/nand/ndfc.c + drivers/mtd/nand/omap_gpmc.c + Platform specific options ========================= @@ -231,6 +249,48 @@ Platform specific options 8-bit BCH code with - ecc calculation using GPMC hardware engine, - error detection using ELM hardware engine. + OMAP_ECC_BCH16_CODE_HW + 16-bit BCH code with + - ecc calculation using GPMC hardware engine, + - error detection using ELM hardware engine. + + How to select ECC scheme on OMAP and AMxx platforms ? + ----------------------------------------------------- + Though higher ECC schemes have more capability to detect and correct + bit-flips, but still selection of ECC scheme is dependent on following + - hardware engines present in SoC. + Some legacy OMAP SoC do not have ELM h/w engine thus such + SoC cannot support BCHx_HW ECC schemes. + - size of OOB/Spare region + With higher ECC schemes, more OOB/Spare area is required to + store ECC. So choice of ECC scheme is limited by NAND oobsize. + + In general following expression can help: + NAND_OOBSIZE >= 2 + (NAND_PAGESIZE / 512) * ECC_BYTES + where + NAND_OOBSIZE = number of bytes available in + OOB/spare area per NAND page. + NAND_PAGESIZE = bytes in main-area of NAND page. + ECC_BYTES = number of ECC bytes generated to + protect 512 bytes of data, which is: + 3 for HAM1_xx ecc schemes + 7 for BCH4_xx ecc schemes + 14 for BCH8_xx ecc schemes + 26 for BCH16_xx ecc schemes + + example to check for BCH16 on 2K page NAND + NAND_PAGESIZE = 2048 + NAND_OOBSIZE = 64 + 2 + (2048 / 512) * 26 = 106 > NAND_OOBSIZE + Thus BCH16 cannot be supported on 2K page NAND. + + However, for 4K pagesize NAND + NAND_PAGESIZE = 4096 + NAND_OOBSIZE = 64 + ECC_BYTES = 26 + 2 + (4096 / 512) * 26 = 210 < NAND_OOBSIZE + Thus BCH16 can be supported on 4K page NAND. + NOTE: ===== diff --git a/drivers/mtd/nand/am335x_spl_bch.c b/drivers/mtd/nand/am335x_spl_bch.c index bd89b067d5..ce65d8e12b 100644 --- a/drivers/mtd/nand/am335x_spl_bch.c +++ b/drivers/mtd/nand/am335x_spl_bch.c @@ -55,7 +55,7 @@ static int nand_command(int block, int page, uint32_t offs, } /* Shift the offset from byte addressing to word addressing. */ - if (this->options & NAND_BUSWIDTH_16) + if ((this->options & NAND_BUSWIDTH_16) && !nand_opcode_8bits(cmd)) offs >>= 1; /* Set ALE and clear CLE to start address cycle */ diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c index e1fc48fca4..e73834d2ef 100644 --- a/drivers/mtd/nand/atmel_nand.c +++ b/drivers/mtd/nand/atmel_nand.c @@ -1195,7 +1195,7 @@ static int nand_command(int block, int page, uint32_t offs, u8 cmd) hwctrl(&mtd, cmd, NAND_CTRL_CLE | NAND_CTRL_CHANGE); - if (this->options & NAND_BUSWIDTH_16) + if ((this->options & NAND_BUSWIDTH_16) && !nand_opcode_8bits(cmd)) offs >>= 1; hwctrl(&mtd, offs & 0xff, NAND_CTRL_ALE | NAND_CTRL_CHANGE); diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 1ce55fde8b..376976d579 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -575,7 +575,8 @@ static void nand_command(struct mtd_info *mtd, unsigned int command, /* Serially input address */ if (column != -1) { /* Adjust columns for 16 bit buswidth */ - if (chip->options & NAND_BUSWIDTH_16) + if ((chip->options & NAND_BUSWIDTH_16) && + !nand_opcode_8bits(command)) column >>= 1; chip->cmd_ctrl(mtd, column, ctrl); ctrl &= ~NAND_CTRL_CHANGE; @@ -668,7 +669,8 @@ static void nand_command_lp(struct mtd_info *mtd, unsigned int command, /* Serially input address */ if (column != -1) { /* Adjust columns for 16 bit buswidth */ - if (chip->options & NAND_BUSWIDTH_16) + if ((chip->options & NAND_BUSWIDTH_16) && + !nand_opcode_8bits(command)) column >>= 1; chip->cmd_ctrl(mtd, column, ctrl); ctrl &= ~NAND_CTRL_CHANGE; @@ -2582,7 +2584,7 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip, int *busw) { struct nand_onfi_params *p = &chip->onfi_params; - int i; + int i, j; int val; /* Try ONFI for unknown chip or LP */ @@ -2593,7 +2595,8 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip, chip->cmdfunc(mtd, NAND_CMD_PARAM, 0, -1); for (i = 0; i < 3; i++) { - chip->read_buf(mtd, (uint8_t *)p, sizeof(*p)); + for (j = 0; j < sizeof(*p); j++) + ((uint8_t *)p)[j] = chip->read_byte(mtd); if (onfi_crc16(ONFI_CRC_BASE, (uint8_t *)p, 254) == le16_to_cpu(p->crc)) { pr_info("ONFI param page %d valid\n", i); diff --git a/drivers/mtd/nand/nand_spl_simple.c b/drivers/mtd/nand/nand_spl_simple.c index cead4b506c..700ca324e2 100644 --- a/drivers/mtd/nand/nand_spl_simple.c +++ b/drivers/mtd/nand/nand_spl_simple.c @@ -78,7 +78,7 @@ static int nand_command(int block, int page, uint32_t offs, } /* Shift the offset from byte addressing to word addressing. */ - if (this->options & NAND_BUSWIDTH_16) + if ((this->options & NAND_BUSWIDTH_16) && !nand_opcode_8bits(cmd)) offs >>= 1; /* Begin command latch cycle */ diff --git a/drivers/mtd/nand/omap_elm.c b/drivers/mtd/nand/omap_elm.c index 47b1f1bfe2..d963e6c07c 100644 --- a/drivers/mtd/nand/omap_elm.c +++ b/drivers/mtd/nand/omap_elm.c @@ -16,23 +16,21 @@ #include <common.h> #include <asm/io.h> #include <asm/errno.h> -#include <linux/mtd/omap_gpmc.h> #include <linux/mtd/omap_elm.h> #include <asm/arch/hardware.h> +#define DRIVER_NAME "omap-elm" #define ELM_DEFAULT_POLY (0) struct elm *elm_cfg; /** - * elm_load_syndromes - Load BCH syndromes based on nibble selection + * elm_load_syndromes - Load BCH syndromes based on bch_type selection * @syndrome: BCH syndrome - * @nibbles: + * @bch_type: BCH4/BCH8/BCH16 * @poly: Syndrome Polynomial set to use - * - * Load BCH syndromes based on nibble selection */ -static void elm_load_syndromes(u8 *syndrome, u32 nibbles, u8 poly) +static void elm_load_syndromes(u8 *syndrome, enum bch_level bch_type, u8 poly) { u32 *ptr; u32 val; @@ -48,8 +46,7 @@ static void elm_load_syndromes(u8 *syndrome, u32 nibbles, u8 poly) (syndrome[7] << 24); writel(val, ptr); - /* BCH 8-bit with 26 nibbles (4*8=32) */ - if (nibbles > 13) { + if (bch_type == BCH_8_BIT || bch_type == BCH_16_BIT) { /* reg 2 */ ptr = &elm_cfg->syndrome_fragments[poly].syndrome_fragment_x[2]; val = syndrome[8] | (syndrome[9] << 8) | (syndrome[10] << 16) | @@ -62,8 +59,7 @@ static void elm_load_syndromes(u8 *syndrome, u32 nibbles, u8 poly) writel(val, ptr); } - /* BCH 16-bit with 52 nibbles (7*8=56) */ - if (nibbles > 26) { + if (bch_type == BCH_16_BIT) { /* reg 4 */ ptr = &elm_cfg->syndrome_fragments[poly].syndrome_fragment_x[4]; val = syndrome[16] | (syndrome[17] << 8) | @@ -87,7 +83,7 @@ static void elm_load_syndromes(u8 *syndrome, u32 nibbles, u8 poly) /** * elm_check_errors - Check for BCH errors and return error locations * @syndrome: BCH syndrome - * @nibbles: + * @bch_type: BCH4/BCH8/BCH16 * @error_count: Returns number of errrors in the syndrome * @error_locations: Returns error locations (in decimal) in this array * @@ -95,14 +91,14 @@ static void elm_load_syndromes(u8 *syndrome, u32 nibbles, u8 poly) * and locations in the array passed. Returns -1 if error is not correctable, * else returns 0 */ -int elm_check_error(u8 *syndrome, u32 nibbles, u32 *error_count, +int elm_check_error(u8 *syndrome, enum bch_level bch_type, u32 *error_count, u32 *error_locations) { u8 poly = ELM_DEFAULT_POLY; s8 i; u32 location_status; - elm_load_syndromes(syndrome, nibbles, poly); + elm_load_syndromes(syndrome, bch_type, poly); /* start processing */ writel((readl(&elm_cfg->syndrome_fragments[poly].syndrome_fragment_x[6]) @@ -118,8 +114,10 @@ int elm_check_error(u8 *syndrome, u32 nibbles, u32 *error_count, /* check if correctable */ location_status = readl(&elm_cfg->error_location[poly].location_status); - if (!(location_status & ELM_LOCATION_STATUS_ECC_CORRECTABLE_MASK)) - return -1; + if (!(location_status & ELM_LOCATION_STATUS_ECC_CORRECTABLE_MASK)) { + printf("%s: uncorrectable ECC errors\n", DRIVER_NAME); + return -EBADMSG; + } /* get error count */ *error_count = readl(&elm_cfg->error_location[poly].location_status) & diff --git a/drivers/mtd/nand/omap_gpmc.c b/drivers/mtd/nand/omap_gpmc.c index bf99b8e675..1acf06b237 100644 --- a/drivers/mtd/nand/omap_gpmc.c +++ b/drivers/mtd/nand/omap_gpmc.c @@ -148,35 +148,20 @@ static int __maybe_unused omap_correct_data(struct mtd_info *mtd, uint8_t *dat, } /* - * Generic BCH interface + * Driver configurations */ -struct nand_bch_priv { - uint8_t mode; - uint8_t type; - uint8_t nibbles; +struct omap_nand_info { struct bch_control *control; enum omap_ecc ecc_scheme; }; -/* bch types */ -#define ECC_BCH4 0 -#define ECC_BCH8 1 -#define ECC_BCH16 2 - -/* BCH nibbles for diff bch levels */ -#define ECC_BCH4_NIBBLES 13 -#define ECC_BCH8_NIBBLES 26 -#define ECC_BCH16_NIBBLES 52 - /* * This can be a single instance cause all current users have only one NAND * with nearly the same setup (BCH8, some with ELM and others with sw BCH * library). * When some users with other BCH strength will exists this have to change! */ -static __maybe_unused struct nand_bch_priv bch_priv = { - .type = ECC_BCH8, - .nibbles = ECC_BCH8_NIBBLES, +static __maybe_unused struct omap_nand_info omap_nand_info = { .control = NULL }; @@ -206,7 +191,7 @@ __maybe_unused static void omap_enable_hwecc(struct mtd_info *mtd, int32_t mode) { struct nand_chip *nand = mtd->priv; - struct nand_bch_priv *bch = nand->priv; + struct omap_nand_info *info = nand->priv; unsigned int dev_width = (nand->options & NAND_BUSWIDTH_16) ? 1 : 0; unsigned int ecc_algo = 0; unsigned int bch_type = 0; @@ -215,7 +200,7 @@ static void omap_enable_hwecc(struct mtd_info *mtd, int32_t mode) u32 ecc_config_val = 0; /* configure GPMC for specific ecc-scheme */ - switch (bch->ecc_scheme) { + switch (info->ecc_scheme) { case OMAP_ECC_HAM1_CODE_SW: return; case OMAP_ECC_HAM1_CODE_HW: @@ -239,6 +224,19 @@ static void omap_enable_hwecc(struct mtd_info *mtd, int32_t mode) eccsize1 = 2; /* non-ECC bits in nibbles per sector */ } break; + case OMAP_ECC_BCH16_CODE_HW: + ecc_algo = 0x1; + bch_type = 0x2; + if (mode == NAND_ECC_WRITE) { + bch_wrapmode = 0x01; + eccsize0 = 0; /* extra bits in nibbles per sector */ + eccsize1 = 52; /* OOB bits in nibbles per sector */ + } else { + bch_wrapmode = 0x01; + eccsize0 = 52; /* ECC bits in nibbles per sector */ + eccsize1 = 0; /* non-ECC bits in nibbles per sector */ + } + break; default: return; } @@ -277,11 +275,11 @@ static int omap_calculate_ecc(struct mtd_info *mtd, const uint8_t *dat, uint8_t *ecc_code) { struct nand_chip *chip = mtd->priv; - struct nand_bch_priv *bch = chip->priv; + struct omap_nand_info *info = chip->priv; uint32_t *ptr, val = 0; int8_t i = 0, j; - switch (bch->ecc_scheme) { + switch (info->ecc_scheme) { case OMAP_ECC_HAM1_CODE_HW: val = readl(&gpmc_cfg->ecc1_result); ecc_code[0] = val & 0xFF; @@ -305,11 +303,34 @@ static int omap_calculate_ecc(struct mtd_info *mtd, const uint8_t *dat, ptr--; } break; + case OMAP_ECC_BCH16_CODE_HW: + val = readl(&gpmc_cfg->bch_result_4_6[0].bch_result_x[2]); + ecc_code[i++] = (val >> 8) & 0xFF; + ecc_code[i++] = (val >> 0) & 0xFF; + val = readl(&gpmc_cfg->bch_result_4_6[0].bch_result_x[1]); + ecc_code[i++] = (val >> 24) & 0xFF; + ecc_code[i++] = (val >> 16) & 0xFF; + ecc_code[i++] = (val >> 8) & 0xFF; + ecc_code[i++] = (val >> 0) & 0xFF; + val = readl(&gpmc_cfg->bch_result_4_6[0].bch_result_x[0]); + ecc_code[i++] = (val >> 24) & 0xFF; + ecc_code[i++] = (val >> 16) & 0xFF; + ecc_code[i++] = (val >> 8) & 0xFF; + ecc_code[i++] = (val >> 0) & 0xFF; + for (j = 3; j >= 0; j--) { + val = readl(&gpmc_cfg->bch_result_0_3[0].bch_result_x[j] + ); + ecc_code[i++] = (val >> 24) & 0xFF; + ecc_code[i++] = (val >> 16) & 0xFF; + ecc_code[i++] = (val >> 8) & 0xFF; + ecc_code[i++] = (val >> 0) & 0xFF; + } + break; default: return -EINVAL; } /* ECC scheme specific syndrome customizations */ - switch (bch->ecc_scheme) { + switch (info->ecc_scheme) { case OMAP_ECC_HAM1_CODE_HW: break; #ifdef CONFIG_BCH @@ -323,6 +344,8 @@ static int omap_calculate_ecc(struct mtd_info *mtd, const uint8_t *dat, case OMAP_ECC_BCH8_CODE_HW: ecc_code[chip->ecc.bytes - 1] = 0x00; break; + case OMAP_ECC_BCH16_CODE_HW: + break; default: return -EINVAL; } @@ -345,16 +368,17 @@ static int omap_correct_data_bch(struct mtd_info *mtd, uint8_t *dat, uint8_t *read_ecc, uint8_t *calc_ecc) { struct nand_chip *chip = mtd->priv; - struct nand_bch_priv *bch = chip->priv; - uint32_t eccbytes = chip->ecc.bytes; + struct omap_nand_info *info = chip->priv; + struct nand_ecc_ctrl *ecc = &chip->ecc; uint32_t error_count = 0, error_max; - uint32_t error_loc[8]; + uint32_t error_loc[ELM_MAX_ERROR_COUNT]; + enum bch_level bch_type; uint32_t i, ecc_flag = 0; uint8_t count, err = 0; uint32_t byte_pos, bit_pos; /* check calculated ecc */ - for (i = 0; i < chip->ecc.bytes && !ecc_flag; i++) { + for (i = 0; i < ecc->bytes && !ecc_flag; i++) { if (calc_ecc[i] != 0x00) ecc_flag = 1; } @@ -363,7 +387,7 @@ static int omap_correct_data_bch(struct mtd_info *mtd, uint8_t *dat, /* check for whether its a erased-page */ ecc_flag = 0; - for (i = 0; i < chip->ecc.bytes && !ecc_flag; i++) { + for (i = 0; i < ecc->bytes && !ecc_flag; i++) { if (read_ecc[i] != 0xff) ecc_flag = 1; } @@ -374,25 +398,33 @@ static int omap_correct_data_bch(struct mtd_info *mtd, uint8_t *dat, * while reading ECC result we read it in big endian. * Hence while loading to ELM we have rotate to get the right endian. */ - switch (bch->ecc_scheme) { + switch (info->ecc_scheme) { case OMAP_ECC_BCH8_CODE_HW: - omap_reverse_list(calc_ecc, eccbytes - 1); + bch_type = BCH_8_BIT; + omap_reverse_list(calc_ecc, ecc->bytes - 1); + break; + case OMAP_ECC_BCH16_CODE_HW: + bch_type = BCH_16_BIT; + omap_reverse_list(calc_ecc, ecc->bytes); break; default: return -EINVAL; } /* use elm module to check for errors */ - elm_config((enum bch_level)(bch->type)); - if (elm_check_error(calc_ecc, bch->nibbles, &error_count, error_loc)) { - printf("nand: error: uncorrectable ECC errors\n"); - return -EINVAL; - } + elm_config(bch_type); + err = elm_check_error(calc_ecc, bch_type, &error_count, error_loc); + if (err) + return err; + /* correct bch error */ for (count = 0; count < error_count; count++) { - switch (bch->type) { - case ECC_BCH8: + switch (info->ecc_scheme) { + case OMAP_ECC_BCH8_CODE_HW: /* 14th byte in ECC is reserved to match ROM layout */ - error_max = SECTOR_BYTES + (eccbytes - 1); + error_max = SECTOR_BYTES + (ecc->bytes - 1); + break; + case OMAP_ECC_BCH16_CODE_HW: + error_max = SECTOR_BYTES + ecc->bytes; break; default: return -EINVAL; @@ -496,10 +528,10 @@ static int omap_correct_data_bch_sw(struct mtd_info *mtd, u_char *data, /* cannot correct more than 8 errors */ unsigned int errloc[8]; struct nand_chip *chip = mtd->priv; - struct nand_bch_priv *chip_priv = chip->priv; - struct bch_control *bch = chip_priv->control; + struct omap_nand_info *info = chip->priv; - count = decode_bch(bch, NULL, 512, read_ecc, calc_ecc, NULL, errloc); + count = decode_bch(info->control, NULL, 512, read_ecc, calc_ecc, + NULL, errloc); if (count > 0) { /* correct errors */ for (i = 0; i < count; i++) { @@ -535,15 +567,11 @@ static int omap_correct_data_bch_sw(struct mtd_info *mtd, u_char *data, static void __maybe_unused omap_free_bch(struct mtd_info *mtd) { struct nand_chip *chip = mtd->priv; - struct nand_bch_priv *chip_priv = chip->priv; - struct bch_control *bch = NULL; - - if (chip_priv) - bch = chip_priv->control; + struct omap_nand_info *info = chip->priv; - if (bch) { - free_bch(bch); - chip_priv->control = NULL; + if (info->control) { + free_bch(info->control); + info->control = NULL; } } #endif /* CONFIG_BCH */ @@ -557,7 +585,7 @@ static void __maybe_unused omap_free_bch(struct mtd_info *mtd) */ static int omap_select_ecc_scheme(struct nand_chip *nand, enum omap_ecc ecc_scheme, unsigned int pagesize, unsigned int oobsize) { - struct nand_bch_priv *bch = nand->priv; + struct omap_nand_info *info = nand->priv; struct nand_ecclayout *ecclayout = &omap_ecclayout; int eccsteps = pagesize / SECTOR_BYTES; int i; @@ -567,12 +595,10 @@ static int omap_select_ecc_scheme(struct nand_chip *nand, debug("nand: selected OMAP_ECC_HAM1_CODE_SW\n"); /* For this ecc-scheme, ecc.bytes, ecc.layout, ... are * initialized in nand_scan_tail(), so just set ecc.mode */ - bch_priv.control = NULL; - bch_priv.type = 0; + info->control = NULL; nand->ecc.mode = NAND_ECC_SOFT; nand->ecc.layout = NULL; nand->ecc.size = 0; - bch->ecc_scheme = OMAP_ECC_HAM1_CODE_SW; break; case OMAP_ECC_HAM1_CODE_HW: @@ -583,8 +609,7 @@ static int omap_select_ecc_scheme(struct nand_chip *nand, (3 * eccsteps) + BADBLOCK_MARKER_LENGTH)); return -EINVAL; } - bch_priv.control = NULL; - bch_priv.type = 0; + info->control = NULL; /* populate ecc specific fields */ memset(&nand->ecc, 0, sizeof(struct nand_ecc_ctrl)); nand->ecc.mode = NAND_ECC_HW; @@ -605,7 +630,6 @@ static int omap_select_ecc_scheme(struct nand_chip *nand, ecclayout->oobfree[0].offset = i + BADBLOCK_MARKER_LENGTH; ecclayout->oobfree[0].length = oobsize - ecclayout->eccbytes - BADBLOCK_MARKER_LENGTH; - bch->ecc_scheme = OMAP_ECC_HAM1_CODE_HW; break; case OMAP_ECC_BCH8_CODE_HW_DETECTION_SW: @@ -618,12 +642,11 @@ static int omap_select_ecc_scheme(struct nand_chip *nand, return -EINVAL; } /* check if BCH S/W library can be used for error detection */ - bch_priv.control = init_bch(13, 8, 0x201b); - if (!bch_priv.control) { + info->control = init_bch(13, 8, 0x201b); + if (!info->control) { printf("nand: error: could not init_bch()\n"); return -ENODEV; } - bch_priv.type = ECC_BCH8; /* populate ecc specific fields */ memset(&nand->ecc, 0, sizeof(struct nand_ecc_ctrl)); nand->ecc.mode = NAND_ECC_HW; @@ -647,7 +670,6 @@ static int omap_select_ecc_scheme(struct nand_chip *nand, ecclayout->oobfree[0].offset = i + BADBLOCK_MARKER_LENGTH; ecclayout->oobfree[0].length = oobsize - ecclayout->eccbytes - BADBLOCK_MARKER_LENGTH; - bch->ecc_scheme = OMAP_ECC_BCH8_CODE_HW_DETECTION_SW; break; #else printf("nand: error: CONFIG_BCH required for ECC\n"); @@ -665,7 +687,7 @@ static int omap_select_ecc_scheme(struct nand_chip *nand, } /* intialize ELM for ECC error detection */ elm_init(); - bch_priv.type = ECC_BCH8; + info->control = NULL; /* populate ecc specific fields */ memset(&nand->ecc, 0, sizeof(struct nand_ecc_ctrl)); nand->ecc.mode = NAND_ECC_HW; @@ -683,13 +705,44 @@ static int omap_select_ecc_scheme(struct nand_chip *nand, ecclayout->oobfree[0].offset = i + BADBLOCK_MARKER_LENGTH; ecclayout->oobfree[0].length = oobsize - ecclayout->eccbytes - BADBLOCK_MARKER_LENGTH; - bch->ecc_scheme = OMAP_ECC_BCH8_CODE_HW; break; #else printf("nand: error: CONFIG_NAND_OMAP_ELM required for ECC\n"); return -EINVAL; #endif + case OMAP_ECC_BCH16_CODE_HW: +#ifdef CONFIG_NAND_OMAP_ELM + debug("nand: using OMAP_ECC_BCH16_CODE_HW\n"); + /* check ecc-scheme requirements before updating ecc info */ + if ((26 * eccsteps) + BADBLOCK_MARKER_LENGTH > oobsize) { + printf("nand: error: insufficient OOB: require=%d\n", ( + (26 * eccsteps) + BADBLOCK_MARKER_LENGTH)); + return -EINVAL; + } + /* intialize ELM for ECC error detection */ + elm_init(); + /* populate ecc specific fields */ + nand->ecc.mode = NAND_ECC_HW; + nand->ecc.size = SECTOR_BYTES; + nand->ecc.bytes = 26; + nand->ecc.strength = 16; + nand->ecc.hwctl = omap_enable_hwecc; + nand->ecc.correct = omap_correct_data_bch; + nand->ecc.calculate = omap_calculate_ecc; + nand->ecc.read_page = omap_read_page_bch; + /* define ecc-layout */ + ecclayout->eccbytes = nand->ecc.bytes * eccsteps; + for (i = 0; i < ecclayout->eccbytes; i++) + ecclayout->eccpos[i] = i + BADBLOCK_MARKER_LENGTH; + ecclayout->oobfree[0].offset = i + BADBLOCK_MARKER_LENGTH; + ecclayout->oobfree[0].length = oobsize - nand->ecc.bytes - + BADBLOCK_MARKER_LENGTH; + break; +#else + printf("nand: error: CONFIG_NAND_OMAP_ELM required for ECC\n"); + return -EINVAL; +#endif default: debug("nand: error: ecc scheme not enabled or supported\n"); return -EINVAL; @@ -699,6 +752,7 @@ static int omap_select_ecc_scheme(struct nand_chip *nand, if (ecc_scheme != OMAP_ECC_HAM1_CODE_SW) nand->ecc.layout = ecclayout; + info->ecc_scheme = ecc_scheme; return 0; } @@ -802,16 +856,21 @@ int board_nand_init(struct nand_chip *nand) nand->IO_ADDR_R = (void __iomem *)&gpmc_cfg->cs[cs].nand_dat; nand->IO_ADDR_W = (void __iomem *)&gpmc_cfg->cs[cs].nand_cmd; - nand->priv = &bch_priv; + nand->priv = &omap_nand_info; nand->cmd_ctrl = omap_nand_hwcontrol; nand->options |= NAND_NO_PADDING | NAND_CACHEPRG; - /* If we are 16 bit dev, our gpmc config tells us that */ - if ((readl(&gpmc_cfg->cs[cs].config1) & 0x3000) == 0x1000) - nand->options |= NAND_BUSWIDTH_16; - nand->chip_delay = 100; nand->ecc.layout = &omap_ecclayout; + /* configure driver and controller based on NAND device bus-width */ + gpmc_config = readl(&gpmc_cfg->cs[cs].config1); +#if defined(CONFIG_SYS_NAND_BUSWIDTH_16BIT) + nand->options |= NAND_BUSWIDTH_16; + writel(gpmc_config | (0x1 << 12), &gpmc_cfg->cs[cs].config1); +#else + nand->options &= ~NAND_BUSWIDTH_16; + writel(gpmc_config & ~(0x1 << 12), &gpmc_cfg->cs[cs].config1); +#endif /* select ECC scheme */ #if defined(CONFIG_NAND_OMAP_ECCSCHEME) err = omap_select_ecc_scheme(nand, CONFIG_NAND_OMAP_ECCSCHEME, diff --git a/drivers/power/pmic/Makefile b/drivers/power/pmic/Makefile index 9a8bfe07b8..a472f61f88 100644 --- a/drivers/power/pmic/Makefile +++ b/drivers/power/pmic/Makefile @@ -13,4 +13,5 @@ obj-$(CONFIG_POWER_MAX77686) += pmic_max77686.o obj-$(CONFIG_POWER_PFUZE100) += pmic_pfuze100.o obj-$(CONFIG_POWER_TPS65090) += pmic_tps65090.o obj-$(CONFIG_POWER_TPS65217) += pmic_tps65217.o +obj-$(CONFIG_POWER_TPS65218) += pmic_tps65218.o obj-$(CONFIG_POWER_TPS65910) += pmic_tps65910.o diff --git a/drivers/power/pmic/pmic_tps65218.c b/drivers/power/pmic/pmic_tps65218.c new file mode 100644 index 0000000000..0952456379 --- /dev/null +++ b/drivers/power/pmic/pmic_tps65218.c @@ -0,0 +1,97 @@ +/* + * (C) Copyright 2011-2013 + * Texas Instruments, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <i2c.h> +#include <power/tps65218.h> + +/** + * tps65218_reg_write() - Generic function that can write a TPS65218 PMIC + * register or bit field regardless of protection + * level. + * + * @prot_level: Register password protection. Use + * TPS65218_PROT_LEVEL_NONE, + * TPS65218_PROT_LEVEL_1 or TPS65218_PROT_LEVEL_2 + * @dest_reg: Register address to write. + * @dest_val: Value to write. + * @mask: Bit mask (8 bits) to be applied. Function will only + * change bits that are set in the bit mask. + * + * @return: 0 for success, not 0 on failure, as per the i2c API + */ +int tps65218_reg_write(uchar prot_level, uchar dest_reg, uchar dest_val, + uchar mask) +{ + uchar read_val; + uchar xor_reg; + int ret; + + /* + * If we are affecting only a bit field, read dest_reg and apply the + * mask + */ + if (mask != TPS65218_MASK_ALL_BITS) { + ret = i2c_read(TPS65218_CHIP_PM, dest_reg, 1, &read_val, 1); + if (ret) + return ret; + read_val &= (~mask); + read_val |= (dest_val & mask); + dest_val = read_val; + } + + if (prot_level > 0) { + xor_reg = dest_reg ^ TPS65218_PASSWORD_UNLOCK; + ret = i2c_write(TPS65218_CHIP_PM, TPS65218_PASSWORD, 1, + &xor_reg, 1); + if (ret) + return ret; + } + + ret = i2c_write(TPS65218_CHIP_PM, dest_reg, 1, &dest_val, 1); + if (ret) + return ret; + + if (prot_level == TPS65218_PROT_LEVEL_2) { + ret = i2c_write(TPS65218_CHIP_PM, TPS65218_PASSWORD, 1, + &xor_reg, 1); + if (ret) + return ret; + + ret = i2c_write(TPS65218_CHIP_PM, dest_reg, 1, &dest_val, 1); + if (ret) + return ret; + } + + return 0; +} + +/** + * tps65218_voltage_update() - Function to change a voltage level, as this + * is a multi-step process. + * @dc_cntrl_reg: DC voltage control register to change. + * @volt_sel: New value for the voltage register + * @return: 0 for success, not 0 on failure. + */ +int tps65218_voltage_update(uchar dc_cntrl_reg, uchar volt_sel) +{ + if ((dc_cntrl_reg != TPS65218_DCDC1) && + (dc_cntrl_reg != TPS65218_DCDC2)) + return 1; + + /* set voltage level */ + if (tps65218_reg_write(TPS65218_PROT_LEVEL_2, dc_cntrl_reg, volt_sel, + TPS65218_MASK_ALL_BITS)) + return 1; + + /* set GO bit to initiate voltage transition */ + if (tps65218_reg_write(TPS65218_PROT_LEVEL_2, TPS65218_SLEW, + TPS65218_DCDC_GO, TPS65218_DCDC_GO)) + return 1; + + return 0; +} diff --git a/drivers/spi/ti_qspi.c b/drivers/spi/ti_qspi.c index c5d2245e44..fd7fea8df5 100644 --- a/drivers/spi/ti_qspi.c +++ b/drivers/spi/ti_qspi.c @@ -106,6 +106,7 @@ static void ti_spi_setup_spi_register(struct ti_qspi_slave *qslave) slave->memory_map = (void *)MMAP_START_ADDR_DRA; #else slave->memory_map = (void *)MMAP_START_ADDR_AM43x; + slave->op_mode_rx = 8; #endif memval |= QSPI_CMD_READ | QSPI_SETUP0_NUM_A_BYTES | diff --git a/include/configs/am3517_crane.h b/include/configs/am3517_crane.h index 4407b454dd..ad4cbd88b8 100644 --- a/include/configs/am3517_crane.h +++ b/include/configs/am3517_crane.h @@ -329,6 +329,7 @@ #define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/omap-common/u-boot-spl.lds" /* NAND boot config */ +#define CONFIG_SYS_NAND_BUSWIDTH_16BIT 16 #define CONFIG_SYS_NAND_5_ADDR_CYCLE #define CONFIG_SYS_NAND_PAGE_COUNT 64 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 diff --git a/include/configs/am43xx_evm.h b/include/configs/am43xx_evm.h index d5e6c4b0dc..823cba6ff4 100644 --- a/include/configs/am43xx_evm.h +++ b/include/configs/am43xx_evm.h @@ -32,11 +32,15 @@ #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 #define CONFIG_SYS_I2C_MULTI_EEPROMS +/* Power */ +#define CONFIG_POWER_TPS65218 + /* SPL defines. */ #define CONFIG_SPL_TEXT_BASE 0x40300350 #define CONFIG_SPL_MAX_SIZE (220 << 10) /* 220KB */ #define CONFIG_SYS_SPL_ARGS_ADDR (CONFIG_SYS_SDRAM_BASE + \ (128 << 20)) +#define CONFIG_SPL_POWER_SUPPORT #define CONFIG_SPL_YMODEM_SUPPORT /* Enabling L2 Cache */ @@ -48,15 +52,24 @@ * Since SPL did pll and ddr initialization for us, * we don't need to do it twice. */ -#if !defined(CONFIG_SPL_BUILD) && !defined(CONFIG_NOR_BOOT) +#if !defined(CONFIG_SPL_BUILD) && !defined(CONFIG_QSPI_BOOT) #define CONFIG_SKIP_LOWLEVEL_INIT #endif +/* + * When building U-Boot such that there is no previous loader + * we need to call board_early_init_f. This is taken care of in + * s_init when we have SPL used. + */ +#if !defined(CONFIG_SKIP_LOWLEVEL_INIT) && !defined(CONFIG_SPL) +#define CONFIG_BOARD_EARLY_INIT_F +#endif + /* Now bring in the rest of the common code. */ #include <configs/ti_armv7_common.h> -/* Always 128 KiB env size */ -#define CONFIG_ENV_SIZE (128 << 10) +/* Always 64 KiB env size */ +#define CONFIG_ENV_SIZE (64 << 10) #define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG @@ -86,6 +99,30 @@ #define CONFIG_OMAP_USB_PHY #define CONFIG_AM437X_USB2PHY2_HOST +#ifdef CONFIG_QSPI_BOOT +#define CONFIG_SYS_TEXT_BASE 0x30000000 +#undef CONFIG_ENV_IS_NOWHERE +#define CONFIG_ENV_IS_IN_SPI_FLASH +#define CONFIG_SYS_REDUNDAND_ENVIRONMENT +#define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED +#define CONFIG_ENV_SECT_SIZE (64 << 10) /* 64 KB sectors */ +#define CONFIG_ENV_OFFSET 0x110000 +#define CONFIG_ENV_OFFSET_REDUND 0x120000 +#ifdef MTDIDS_DEFAULT +#undef MTDIDS_DEFAULT +#endif +#ifdef MTDPARTS_DEFAULT +#undef MTDPARTS_DEFAULT +#endif +#define MTDPARTS_DEFAULT "mtdparts=qspi.0:512k(QSPI.u-boot)," \ + "512k(QSPI.u-boot.backup)," \ + "512k(QSPI.u-boot-spl-os)," \ + "64k(QSPI.u-boot-env)," \ + "64k(QSPI.u-boot-env.backup)," \ + "8m(QSPI.kernel)," \ + "-(QSPI.file-system)" +#endif + /* SPI */ #undef CONFIG_OMAP3_SPI #define CONFIG_TI_QSPI @@ -94,6 +131,7 @@ #define CONFIG_CMD_SF #define CONFIG_CMD_SPI #define CONFIG_TI_SPI_MMAP +#define CONFIG_SPI_FLASH_BAR #define CONFIG_QSPI_SEL_GPIO 48 #define CONFIG_SF_DEFAULT_SPEED 48000000 #define CONFIG_DEFAULT_SPI_MODE SPI_MODE_3 @@ -145,6 +183,7 @@ "loadfdt=load ${devtype} ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \ "mmcboot=mmc dev ${mmcdev}; " \ "setenv devnum ${mmcdev}; " \ + "setenv devtype mmc; " \ "if mmc rescan; then " \ "echo SD/MMC found on device ${devnum};" \ "if run loadbootenv; then " \ diff --git a/include/configs/bur_am335x_common.h b/include/configs/bur_am335x_common.h index 7adc8c0fd7..5a37536b0a 100644 --- a/include/configs/bur_am335x_common.h +++ b/include/configs/bur_am335x_common.h @@ -12,6 +12,8 @@ #ifndef __BUR_AM335X_COMMON_H__ #define __BUR_AM335X_COMMON_H__ /* ------------------------------------------------------------------------- */ +#define CONFIG_SYS_GENERIC_BOARD + #define CONFIG_AM33XX #define CONFIG_OMAP #define CONFIG_OMAP_COMMON @@ -94,7 +96,7 @@ #define CONFIG_SYS_OMAP24_I2C_SPEED 100000 #define CONFIG_SYS_OMAP24_I2C_SLAVE 1 #define CONFIG_SYS_I2C_OMAP24XX - +#define CONFIG_CMD_I2C /* GPIO */ #define CONFIG_OMAP_GPIO #define CONFIG_CMD_GPIO diff --git a/include/configs/cm_t335.h b/include/configs/cm_t335.h index 26b615b8c5..4d1dd28a91 100644 --- a/include/configs/cm_t335.h +++ b/include/configs/cm_t335.h @@ -141,7 +141,6 @@ #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x200000 #define CONFIG_CMD_NAND -#define GPMC_NAND_ECC_LP_x8_LAYOUT #define MTDIDS_DEFAULT "nand0=nand" #define MTDPARTS_DEFAULT "mtdparts=nand:2m(spl)," \ "1m(u-boot),1m(u-boot-env)," \ diff --git a/include/configs/cm_t35.h b/include/configs/cm_t35.h index aae05e0333..8c60e22c1d 100644 --- a/include/configs/cm_t35.h +++ b/include/configs/cm_t35.h @@ -158,7 +158,6 @@ /* CS0 */ #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND */ /* devices */ -#define GPMC_NAND_ECC_LP_x8_LAYOUT /* Environment information */ #define CONFIG_BOOTDELAY 3 diff --git a/include/configs/devkit8000.h b/include/configs/devkit8000.h index 16a00ebe86..5308790fe6 100644 --- a/include/configs/devkit8000.h +++ b/include/configs/devkit8000.h @@ -314,6 +314,7 @@ #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* NAND boot config */ +#define CONFIG_SYS_NAND_BUSWIDTH_16BIT 16 #define CONFIG_SYS_NAND_5_ADDR_CYCLE #define CONFIG_SYS_NAND_PAGE_COUNT 64 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 diff --git a/include/configs/dig297.h b/include/configs/dig297.h index af6f56bb34..ce205e9b3e 100644 --- a/include/configs/dig297.h +++ b/include/configs/dig297.h @@ -138,6 +138,7 @@ * Board NAND Info. */ #define CONFIG_NAND_OMAP_GPMC +#define CONFIG_SYS_NAND_BUSWIDTH_16BIT 16 #define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */ /* to access nand */ #define CONFIG_SYS_NAND_BASE NAND_BASE /* physical address */ diff --git a/include/configs/k2hk_evm.h b/include/configs/k2hk_evm.h index dde73298fc..6ba7e62e55 100644 --- a/include/configs/k2hk_evm.h +++ b/include/configs/k2hk_evm.h @@ -71,7 +71,8 @@ #define CONFIG_SYS_NS16550_SERIAL #define CONFIG_SYS_NS16550_MEM32 #define CONFIG_SYS_NS16550_REG_SIZE -4 -#define CONFIG_SYS_NS16550_COM1 K2HK_UART0_BASE +#define CONFIG_SYS_NS16550_COM1 KS2_UART0_BASE +#define CONFIG_SYS_NS16550_COM2 KS2_UART1_BASE #define CONFIG_SYS_NS16550_CLK clk_get_rate(K2HK_CLK1_6) #define CONFIG_CONS_INDEX 1 #define CONFIG_BAUDRATE 115200 @@ -130,6 +131,7 @@ /* NAND Configuration */ #define CONFIG_NAND_DAVINCI +#define CONFIG_CMD_NAND_ECCLAYOUT #define CONFIG_SYS_NAND_CS 2 #define CONFIG_SYS_NAND_USE_FLASH_BBT #define CONFIG_SYS_NAND_4BIT_HW_ECC_OOBFIRST diff --git a/include/configs/omap3_beagle.h b/include/configs/omap3_beagle.h index 0a7df60f28..c02348354a 100644 --- a/include/configs/omap3_beagle.h +++ b/include/configs/omap3_beagle.h @@ -295,6 +295,7 @@ #define CONFIG_SPL_OMAP3_ID_NAND /* NAND boot config */ +#define CONFIG_SYS_NAND_BUSWIDTH_16BIT 16 #define CONFIG_SYS_NAND_5_ADDR_CYCLE #define CONFIG_SYS_NAND_PAGE_COUNT 64 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 diff --git a/include/configs/omap3_evm_common.h b/include/configs/omap3_evm_common.h index 7f3424b4f0..ae4ce63f67 100644 --- a/include/configs/omap3_evm_common.h +++ b/include/configs/omap3_evm_common.h @@ -120,7 +120,7 @@ /* Max number of NAND devices */ #define CONFIG_SYS_MAX_NAND_DEVICE 1 - +#define CONFIG_SYS_NAND_BUSWIDTH_16BIT 16 /* Timeout values (in ticks) */ #define CONFIG_SYS_FLASH_ERASE_TOUT (100 * CONFIG_SYS_HZ) #define CONFIG_SYS_FLASH_WRITE_TOUT (100 * CONFIG_SYS_HZ) diff --git a/include/configs/omap3_igep00x0.h b/include/configs/omap3_igep00x0.h index d56d5b00cc..79daabd6bb 100644 --- a/include/configs/omap3_igep00x0.h +++ b/include/configs/omap3_igep00x0.h @@ -187,6 +187,7 @@ /* NAND boot config */ #ifdef CONFIG_NAND +#define CONFIG_SYS_NAND_BUSWIDTH_16BIT 16 #define CONFIG_SYS_NAND_5_ADDR_CYCLE #define CONFIG_SYS_NAND_PAGE_COUNT 64 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 diff --git a/include/configs/omap3_logic.h b/include/configs/omap3_logic.h index 0d03c75ce3..8dcbba3c40 100644 --- a/include/configs/omap3_logic.h +++ b/include/configs/omap3_logic.h @@ -141,6 +141,7 @@ #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of */ /* NAND devices */ +#define CONFIG_SYS_NAND_BUSWIDTH_16BIT 16 #define CONFIG_JFFS2_NAND /* nand device jffs2 lives on */ #define CONFIG_JFFS2_DEV "nand0" diff --git a/include/configs/omap3_overo.h b/include/configs/omap3_overo.h index 7b97be9ace..1a13633949 100644 --- a/include/configs/omap3_overo.h +++ b/include/configs/omap3_overo.h @@ -206,6 +206,7 @@ #define CONFIG_SYS_CACHELINE_SIZE 64 /* NAND boot config */ +#define CONFIG_SYS_NAND_BUSWIDTH_16BIT 16 #define CONFIG_SYS_NAND_5_ADDR_CYCLE #define CONFIG_SYS_NAND_PAGE_COUNT 64 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 diff --git a/include/configs/omap3_zoom1.h b/include/configs/omap3_zoom1.h index 7c5540ff66..3efe4cf815 100644 --- a/include/configs/omap3_zoom1.h +++ b/include/configs/omap3_zoom1.h @@ -98,6 +98,7 @@ #define CONFIG_SYS_NAND_BASE NAND_BASE /* physical address */ /* to access nand at */ /* CS0 */ +#define CONFIG_SYS_NAND_BUSWIDTH_16BIT 16 /* Environment information */ diff --git a/include/configs/pengwyn.h b/include/configs/pengwyn.h index fc25966e0f..85104057a9 100644 --- a/include/configs/pengwyn.h +++ b/include/configs/pengwyn.h @@ -149,7 +149,6 @@ #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000 -#define GPMC_NAND_ECC_LP_x8_LAYOUT 1 #define MTDIDS_DEFAULT "nand0=omap2-nand.0" #define MTDPARTS_DEFAULT "mtdparts=omap2-nand.0:128k(SPL)," \ "128k(SPL.backup1)," \ diff --git a/include/configs/tam3517-common.h b/include/configs/tam3517-common.h index 3522c1a07a..0c2f0f19c8 100644 --- a/include/configs/tam3517-common.h +++ b/include/configs/tam3517-common.h @@ -185,6 +185,7 @@ /* Configure the PISMO */ #define PISMO1_NAND_SIZE GPMC_SIZE_128M +#define CONFIG_NAND #define CONFIG_NAND_OMAP_GPMC #define CONFIG_ENV_IS_IN_NAND #define SMNAND_ENV_OFFSET 0x180000 /* environment starts here */ @@ -249,6 +250,7 @@ #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* NAND boot config */ +#define CONFIG_SYS_NAND_BUSWIDTH_16BIT 16 #define CONFIG_SYS_NAND_PAGE_COUNT 64 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 #define CONFIG_SYS_NAND_OOBSIZE 64 diff --git a/include/configs/tao3530.h b/include/configs/tao3530.h index 9c04c23ab7..1b0fee9a80 100644 --- a/include/configs/tao3530.h +++ b/include/configs/tao3530.h @@ -137,10 +137,10 @@ #define CONFIG_SYS_NAND_BASE NAND_BASE /* physical address */ /* to access nand at */ /* CS0 */ -#define GPMC_NAND_ECC_LP_x16_LAYOUT #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND */ /* devices */ +#define CONFIG_SYS_NAND_BUSWIDTH_16BIT 16 /* Environment information */ #define CONFIG_BOOTDELAY 3 diff --git a/include/configs/ti_am335x_common.h b/include/configs/ti_am335x_common.h index 128b66edef..80976e7e3b 100644 --- a/include/configs/ti_am335x_common.h +++ b/include/configs/ti_am335x_common.h @@ -75,6 +75,15 @@ #define CONFIG_SKIP_LOWLEVEL_INIT #endif +/* + * When building U-Boot such that there is no previous loader + * we need to call board_early_init_f. This is taken care of in + * s_init when we have SPL used. + */ +#if !defined(CONFIG_SKIP_LOWLEVEL_INIT) && !defined(CONFIG_SPL) +#define CONFIG_BOARD_EARLY_INIT_F +#endif + #ifdef CONFIG_NAND #define CONFIG_SPL_NAND_AM33XX_BCH /* ELM support */ #endif diff --git a/include/configs/ti_armv7_common.h b/include/configs/ti_armv7_common.h index 485427276a..698291852b 100644 --- a/include/configs/ti_armv7_common.h +++ b/include/configs/ti_armv7_common.h @@ -196,7 +196,8 @@ * under common/spl/. Given our generally common memory map, we set a * number of related defaults and sizes here. */ -#ifndef CONFIG_NOR_BOOT +#if !defined(CONFIG_NOR_BOOT) && \ + !(defined(CONFIG_QSPI_BOOT) && defined(CONFIG_AM43XX)) #define CONFIG_SPL #define CONFIG_SPL_FRAMEWORK #define CONFIG_SPL_OS_BOOT diff --git a/include/configs/tseries.h b/include/configs/tseries.h index e550afad4f..1fd6e32baf 100644 --- a/include/configs/tseries.h +++ b/include/configs/tseries.h @@ -157,7 +157,6 @@ /* don't change OMAP_ELM, ECCSCHEME. ROM code only supports this */ #define CONFIG_NAND_OMAP_ELM #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW -#define GPMC_NAND_ECC_LP_x16_LAYOUT 1 #define CONFIG_SYS_NAND_5_ADDR_CYCLE #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024) #define CONFIG_SYS_NAND_PAGE_SIZE 2048 diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index 0546565593..991bd8e63e 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -719,4 +719,23 @@ static inline int onfi_get_sync_timing_mode(struct nand_chip *chip) } #endif +/** + * Check if the opcode's address should be sent only on the lower 8 bits + * @command: opcode to check + */ +static inline int nand_opcode_8bits(unsigned int command) +{ + switch (command) { + case NAND_CMD_READID: + case NAND_CMD_PARAM: + case NAND_CMD_GET_FEATURES: + case NAND_CMD_SET_FEATURES: + return 1; + default: + break; + } + return 0; +} + + #endif /* __LINUX_MTD_NAND_H */ diff --git a/include/linux/mtd/omap_elm.h b/include/linux/mtd/omap_elm.h index 45454eaf0f..b8096b02e3 100644 --- a/include/linux/mtd/omap_elm.h +++ b/include/linux/mtd/omap_elm.h @@ -24,6 +24,9 @@ #define ELM_LOCATION_STATUS_ECC_CORRECTABLE_MASK (0x100) #define ELM_LOCATION_STATUS_ECC_NB_ERRORS_MASK (0x1F) +#define ELM_MAX_CHANNELS 8 +#define ELM_MAX_ERROR_COUNT 16 + #ifndef __ASSEMBLY__ enum bch_level { @@ -43,7 +46,7 @@ struct syndrome { struct location { u32 location_status; /* 0x800 */ u8 res1[124]; /* 0x804 */ - u32 error_location_x[16]; /* 0x880.... */ + u32 error_location_x[ELM_MAX_ERROR_COUNT]; /* 0x880, 0x980, .. */ u8 res2[64]; /* 0x8c0 */ }; @@ -63,12 +66,12 @@ struct elm { u8 res2[92]; /* 0x024 */ u32 page_ctrl; /* 0x080 */ u8 res3[892]; /* 0x084 */ - struct syndrome syndrome_fragments[8]; /* 0x400 */ + struct syndrome syndrome_fragments[ELM_MAX_CHANNELS]; /* 0x400,0x420 */ u8 res4[512]; /* 0x600 */ - struct location error_location[8]; /* 0x800 */ + struct location error_location[ELM_MAX_CHANNELS]; /* 0x800,0x900 ... */ }; -int elm_check_error(u8 *syndrome, u32 nibbles, u32 *error_count, +int elm_check_error(u8 *syndrome, enum bch_level bch_type, u32 *error_count, u32 *error_locations); int elm_config(enum bch_level level); void elm_reset(void); diff --git a/include/linux/mtd/omap_gpmc.h b/include/linux/mtd/omap_gpmc.h index 22f6573969..9a8658257f 100644 --- a/include/linux/mtd/omap_gpmc.h +++ b/include/linux/mtd/omap_gpmc.h @@ -11,6 +11,7 @@ #define GPMC_BUF_EMPTY 0 #define GPMC_BUF_FULL 1 +#define GPMC_MAX_SECTORS 8 enum omap_ecc { /* 1-bit ECC calculation by Software, Error detection by Software */ @@ -26,6 +27,8 @@ enum omap_ecc { OMAP_ECC_BCH8_CODE_HW_DETECTION_SW, /* 8-bit ECC calculation by GPMC, Error detection by ELM */ OMAP_ECC_BCH8_CODE_HW, + /* 16-bit ECC calculation by GPMC, Error detection by ELM */ + OMAP_ECC_BCH16_CODE_HW, }; struct gpmc_cs { @@ -46,6 +49,10 @@ struct bch_res_0_3 { u32 bch_result_x[4]; }; +struct bch_res_4_6 { + u32 bch_result_x[3]; +}; + struct gpmc { u8 res1[0x10]; u32 sysconfig; /* 0x10 */ @@ -75,7 +82,9 @@ struct gpmc { u8 res7[12]; /* 0x224 */ u32 testmomde_ctrl; /* 0x230 */ u8 res8[12]; /* 0x234 */ - struct bch_res_0_3 bch_result_0_3[2]; /* 0x240 */ + struct bch_res_0_3 bch_result_0_3[GPMC_MAX_SECTORS]; /* 0x240,0x250, */ + u8 res9[16 * 4]; /* 0x2C0 - 0x2FF */ + struct bch_res_4_6 bch_result_4_6[GPMC_MAX_SECTORS]; /* 0x300,0x310, */ }; /* Used for board specific gpmc initialization */ diff --git a/include/power/tps65218.h b/include/power/tps65218.h new file mode 100644 index 0000000000..67aa2f8c8d --- /dev/null +++ b/include/power/tps65218.h @@ -0,0 +1,63 @@ +/* + * (C) Copyright 2014 + * Texas Instruments, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __POWER_TPS65218_H__ +#define __POWER_TPS65218_H__ + +/* I2C chip address */ +#define TPS65218_CHIP_PM 0x24 + +/* Registers */ +enum { + TPS65218_CHIPID = 0x00, + TPS65218_INT1, + TPS65218_INT2, + TPS65218_INT_MASK1, + TPS65218_INT_MASK2, + TPS65218_STATUS, + TPS65218_CONTROL, + TPS65218_FLAG, + TPS65218_PASSWORD = 0x10, + TPS65218_ENABLE1, + TPS65218_ENABLE2, + TPS65218_CONFIG1, + TPS65218_CONFIG2, + TPS65218_CONFIG3, + TPS65218_DCDC1, + TPS65218_DCDC2, + TPS65218_DCDC3, + TPS65218_DCDC4, + TPS65218_SLEW, + TPS65218_LDO1, + TPS65218_SEQ1 = 0x20, + TPS65218_SEQ2, + TPS65218_SEQ3, + TPS65218_SEQ4, + TPS65218_SEQ5, + TPS65218_SEQ6, + TPS65218_SEQ7, + TPS65218_PMIC_NUM_OF_REGS, +}; + +#define TPS65218_PROT_LEVEL_NONE 0x00 +#define TPS65218_PROT_LEVEL_1 0x01 +#define TPS65218_PROT_LEVEL_2 0x02 + +#define TPS65218_PASSWORD_LOCK_FOR_WRITE 0x00 +#define TPS65218_PASSWORD_UNLOCK 0x7D + +#define TPS65218_DCDC_GO 0x80 + +#define TPS65218_MASK_ALL_BITS 0xFF + +#define TPS65218_DCDC_VOLT_SEL_1100MV 0x19 +#define TPS65218_DCDC_VOLT_SEL_1330MV 0x30 + +int tps65218_reg_write(uchar prot_level, uchar dest_reg, uchar dest_val, + uchar mask); +int tps65218_voltage_update(uchar dc_cntrl_reg, uchar volt_sel); +#endif /* __POWER_TPS65218_H__ */ |
