November 2014 - U-Boot

[U-Boot] [PATCH V4 1/3] usb: eth: fix Makefile
by Rene Griessl 21 Dec '14

21 Dec '14

fix obj-y term Signed-off-by: Rene Griessl <rgriessl(a)cit-ec.uni-bielefeld.de> --- drivers/usb/eth/Makefile | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/usb/eth/Makefile b/drivers/usb/eth/Makefile index 94551c4..e6ae9f1 100644 --- a/drivers/usb/eth/Makefile +++ b/drivers/usb/eth/Makefile @@ -5,8 +5,6 @@ # new USB host ethernet layer dependencies obj-$(CONFIG_USB_HOST_ETHER) += usb_ether.o -ifdef CONFIG_USB_ETHER_ASIX -obj-y += asix.o -endif +obj-$(CONFIG_USB_ETHER_ASIX) += asix.o obj-$(CONFIG_USB_ETHER_MCS7830) += mcs7830.o obj-$(CONFIG_USB_ETHER_SMSC95XX) += smsc95xx.o -- 1.9.1

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[U-Boot] [PATCH v2 0/5] sun6i: A31s / CSQ_CS908 board support
by Hans de Goede 19 Dec '14

19 Dec '14

Hi, Here is v2 of my sun6i: A31s / CSQ_CS908 board support series. Changes since v1: -"sun6i: Make dram clk and zq value Kconfig options" -Mention changing of default zq value in commit message -Drop "if EXPERT" usage, as that breaks setting things through defconfig files -"sun6i: Drop some "unknown magic" from dram init" -Mention that the info on what the dropped unknown magic did comes from Allwinner -"sun6i: Add new CSQ_CS908 board" -Add setting of LDO for phy, so that network works -Correct usb vbus settings Regards, Hans

3 17

[U-Boot] [PATCH] imx:mx6 fix return value of mxc_get_clock
by Peng Fan 19 Dec '14

19 Dec '14

mxc_get_clock's return type is unsigned int. 'return -1' is same with 'return 0xffffffff', so 0 should be used as the return value when unsupported mxc_clock type is passed to mxc_get_clock. Also include an err message when unsupported mxc_clock type is passed to mxc_get_clock. Signed-off-by: Peng Fan <Peng.Fan(a)freescale.com> --- arch/arm/cpu/armv7/mx6/clock.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm/cpu/armv7/mx6/clock.c b/arch/arm/cpu/armv7/mx6/clock.c index 80b11aa..99dba07 100644 --- a/arch/arm/cpu/armv7/mx6/clock.c +++ b/arch/arm/cpu/armv7/mx6/clock.c @@ -738,10 +738,11 @@ unsigned int mxc_get_clock(enum mxc_clock clk) case MXC_SATA_CLK: return get_ahb_clk(); default: + printf("Unsupported MXC CLK: %d\n", clk); break; } - return -1; + return 0; } /* -- 1.8.4

3 2

[U-Boot] [PATCH v2] arm: build arch memset/memcpy in Thumb2 mode
by Stefan Agner 18 Dec '14

18 Dec '14

Resynchronize memcpy/memset with kernel and build them explicitly in Thumb2 mode (unified syntax). Those assembler files can be built and linked in ARM mode too, however when calling them from Thumb2 built code, the stack got corrupted and the copy did not succeed (the exact details have not been traced back). Hoever, the Linux kernel builds those files in Thumb2 mode. Hence U-Boot should build them in Thumb2 mode too when CONFIG_SYS_THUMB_BUILD is set. To build the files without warning, some assembler instructions had to be replaced with their UAL compliant variant (thanks Jeroen for this input). To build the file in Thumb2 mode the implicit-it=always option need to be set to generate Thumb2 compliant IT instructions where needed. We add this option to the general AFLAGS when building for Thumb2. Signed-off-by: Stefan Agner <stefan(a)agner.ch> --- Changes since v1: - Don't set auto-it in AFLAGS - Removed "no-warn-deprecated" warning suppression - Converted non-UAL assembler instructions to their UAL compliant variants Tested in ARM and Thumb2 mode on Vybrid SoC. Disassembled the memset/ memcpy object files before and after converting the instructions to UAL, the output was identical. arch/arm/config.mk | 4 +- arch/arm/include/asm/assembler.h | 33 ++++++++++-- arch/arm/lib/memcpy.S | 80 +++++++++++++++++++--------- arch/arm/lib/memset.S | 112 ++++++++++++++++++++------------------- 4 files changed, 142 insertions(+), 87 deletions(-) diff --git a/arch/arm/config.mk b/arch/arm/config.mk index f0eafd6..14f4e9f 100644 --- a/arch/arm/config.mk +++ b/arch/arm/config.mk @@ -26,7 +26,9 @@ PLATFORM_CPPFLAGS += -D__ARM__ # Choose between ARM/Thumb instruction sets ifeq ($(CONFIG_SYS_THUMB_BUILD),y) -PF_CPPFLAGS_ARM := $(call cc-option, -mthumb -mthumb-interwork,\ +AFLAGS_IMPLICIT_IT := $(call as-option,-Wa$(comma)-mimplicit-it=always) +PF_CPPFLAGS_ARM := $(AFLAGS_IMPLICIT_IT) $(AFLAGS_NOWARN) \ + $(call cc-option, -mthumb -mthumb-interwork,\ $(call cc-option,-marm,)\ $(call cc-option,-mno-thumb-interwork,)\ ) diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h index 5e4789b..11b80fb 100644 --- a/arch/arm/include/asm/assembler.h +++ b/arch/arm/include/asm/assembler.h @@ -14,12 +14,14 @@ * assembler source. */ +#include <config.h> + /* * Endian independent macros for shifting bytes within registers. */ #ifndef __ARMEB__ -#define pull lsr -#define push lsl +#define lspull lsr +#define lspush lsl #define get_byte_0 lsl #0 #define get_byte_1 lsr #8 #define get_byte_2 lsr #16 @@ -29,8 +31,8 @@ #define put_byte_2 lsl #16 #define put_byte_3 lsl #24 #else -#define pull lsl -#define push lsr +#define lspull lsl +#define lspush lsr #define get_byte_0 lsr #24 #define get_byte_1 lsr #16 #define get_byte_2 lsr #8 @@ -54,7 +56,28 @@ #define PLD(code...) #endif + .irp c,,eq,ne,cs,cc,mi,pl,vs,vc,hi,ls,ge,lt,gt,le,hs,lo + .macro ret\c, reg +#if defined(__ARM_ARCH_5E__) || defined(__ARM_ARCH_5TE__) + mov\c pc, \reg +#else + .ifeqs "\reg", "lr" + bx\c \reg + .else + mov\c pc, \reg + .endif +#endif + .endm + .endr + /* - * Cache alligned + * Cache aligned, used for optimized memcpy/memset + * In the kernel this is only enabled for Feroceon CPU's... + * We disable it especially for Thumb builds since those instructions + * are not made in a Thumb ready way... */ +#ifdef CONFIG_SYS_THUMB_BUILD +#define CALGN(code...) +#else #define CALGN(code...) code +#endif diff --git a/arch/arm/lib/memcpy.S b/arch/arm/lib/memcpy.S index f655256..eeaf003 100644 --- a/arch/arm/lib/memcpy.S +++ b/arch/arm/lib/memcpy.S @@ -10,9 +10,14 @@ * published by the Free Software Foundation. */ +#include <linux/linkage.h> #include <asm/assembler.h> +#ifdef CONFIG_SYS_THUMB_BUILD +#define W(instr) instr.w +#else #define W(instr) instr +#endif #define LDR1W_SHIFT 0 #define STR1W_SHIFT 0 @@ -30,7 +35,7 @@ .endm .macro ldr1b ptr reg cond=al abort - ldr\cond\()b \reg, [\ptr], #1 + ldrb\cond\() \reg, [\ptr], #1 .endm .macro str1w ptr reg abort @@ -42,7 +47,7 @@ .endm .macro str1b ptr reg cond=al abort - str\cond\()b \reg, [\ptr], #1 + strb\cond\() \reg, [\ptr], #1 .endm .macro enter reg1 reg2 @@ -56,10 +61,12 @@ .text /* Prototype: void *memcpy(void *dest, const void *src, size_t n); */ - -.globl memcpy -memcpy: - + .syntax unified +#ifdef CONFIG_SYS_THUMB_BUILD + .thumb + .thumb_func +#endif +ENTRY(memcpy) cmp r0, r1 moveq pc, lr @@ -79,7 +86,7 @@ memcpy: CALGN( ands ip, r0, #31 ) CALGN( rsb r3, ip, #32 ) - CALGN( sbcnes r4, r3, r2 ) @ C is always set here + CALGN( sbcsne r4, r3, r2 ) @ C is always set here CALGN( bcs 2f ) CALGN( adr r4, 6f ) CALGN( subs r2, r2, r3 ) @ C gets set @@ -178,7 +185,7 @@ memcpy: CALGN( ands ip, r0, #31 ) CALGN( rsb ip, ip, #32 ) - CALGN( sbcnes r4, ip, r2 ) @ C is always set here + CALGN( sbcsne r4, ip, r2 ) @ C is always set here CALGN( subcc r2, r2, ip ) CALGN( bcc 15f ) @@ -193,24 +200,24 @@ memcpy: 12: PLD( pld [r1, #124] ) 13: ldr4w r1, r4, r5, r6, r7, abort=19f - mov r3, lr, pull #\pull + mov r3, lr, lspull #\pull subs r2, r2, #32 ldr4w r1, r8, r9, ip, lr, abort=19f - orr r3, r3, r4, push #\push - mov r4, r4, pull #\pull - orr r4, r4, r5, push #\push - mov r5, r5, pull #\pull - orr r5, r5, r6, push #\push - mov r6, r6, pull #\pull - orr r6, r6, r7, push #\push - mov r7, r7, pull #\pull - orr r7, r7, r8, push #\push - mov r8, r8, pull #\pull - orr r8, r8, r9, push #\push - mov r9, r9, pull #\pull - orr r9, r9, ip, push #\push - mov ip, ip, pull #\pull - orr ip, ip, lr, push #\push + orr r3, r3, r4, lspush #\push + mov r4, r4, lspull #\pull + orr r4, r4, r5, lspush #\push + mov r5, r5, lspull #\pull + orr r5, r5, r6, lspush #\push + mov r6, r6, lspull #\pull + orr r6, r6, r7, lspush #\push + mov r7, r7, lspull #\pull + orr r7, r7, r8, lspush #\push + mov r8, r8, lspull #\pull + orr r8, r8, r9, lspush #\push + mov r9, r9, lspull #\pull + orr r9, r9, ip, lspush #\push + mov ip, ip, lspull #\pull + orr ip, ip, lr, lspush #\push str8w r0, r3, r4, r5, r6, r7, r8, r9, ip, , abort=19f bge 12b PLD( cmn r2, #96 ) @@ -221,10 +228,10 @@ memcpy: 14: ands ip, r2, #28 beq 16f -15: mov r3, lr, pull #\pull +15: mov r3, lr, lspull #\pull ldr1w r1, lr, abort=21f subs ip, ip, #4 - orr r3, r3, lr, push #\push + orr r3, r3, lr, lspush #\push str1w r0, r3, abort=21f bgt 15b CALGN( cmp r2, #0 ) @@ -241,3 +248,24 @@ memcpy: 17: forward_copy_shift pull=16 push=16 18: forward_copy_shift pull=24 push=8 + + +/* + * Abort preamble and completion macros. + * If a fixup handler is required then those macros must surround it. + * It is assumed that the fixup code will handle the private part of + * the exit macro. + */ + + .macro copy_abort_preamble +19: ldmfd sp!, {r5 - r9} + b 21f +20: ldmfd sp!, {r5 - r8} +21: + .endm + + .macro copy_abort_end + ldmfd sp!, {r4, pc} + .endm + +ENDPROC(memcpy) diff --git a/arch/arm/lib/memset.S b/arch/arm/lib/memset.S index 0cdf895..7208f20 100644 --- a/arch/arm/lib/memset.S +++ b/arch/arm/lib/memset.S @@ -9,32 +9,25 @@ * * ASM optimised string functions */ +#include <linux/linkage.h> #include <asm/assembler.h> .text .align 5 - .word 0 -1: subs r2, r2, #4 @ 1 do we have enough - blt 5f @ 1 bytes to align with? - cmp r3, #2 @ 1 - strltb r1, [r0], #1 @ 1 - strleb r1, [r0], #1 @ 1 - strb r1, [r0], #1 @ 1 - add r2, r2, r3 @ 1 (r2 = r2 - (4 - r3)) -/* - * The pointer is now aligned and the length is adjusted. Try doing the - * memset again. - */ - -.globl memset -memset: + .syntax unified +#ifdef CONFIG_SYS_THUMB_BUILD + .thumb + .thumb_func +#endif +ENTRY(memset) ands r3, r0, #3 @ 1 unaligned? - bne 1b @ 1 + mov ip, r0 @ preserve r0 as return value + bne 6f @ 1 /* - * we know that the pointer in r0 is aligned to a word boundary. + * we know that the pointer in ip is aligned to a word boundary. */ - orr r1, r1, r1, lsl #8 +1: orr r1, r1, r1, lsl #8 orr r1, r1, r1, lsl #16 mov r3, r1 cmp r2, #16 @@ -43,29 +36,28 @@ memset: #if ! CALGN(1)+0 /* - * We need an extra register for this loop - save the return address and - * use the LR + * We need 2 extra registers for this loop - use r8 and the LR */ - str lr, [sp, #-4]! - mov ip, r1 + stmfd sp!, {r8, lr} + mov r8, r1 mov lr, r1 2: subs r2, r2, #64 - stmgeia r0!, {r1, r3, ip, lr} @ 64 bytes at a time. - stmgeia r0!, {r1, r3, ip, lr} - stmgeia r0!, {r1, r3, ip, lr} - stmgeia r0!, {r1, r3, ip, lr} + stmiage ip!, {r1, r3, r8, lr} @ 64 bytes at a time. + stmiage ip!, {r1, r3, r8, lr} + stmiage ip!, {r1, r3, r8, lr} + stmiage ip!, {r1, r3, r8, lr} bgt 2b - ldmeqfd sp!, {pc} @ Now <64 bytes to go. + ldmfdeq sp!, {r8, pc} @ Now <64 bytes to go. /* * No need to correct the count; we're only testing bits from now on */ tst r2, #32 - stmneia r0!, {r1, r3, ip, lr} - stmneia r0!, {r1, r3, ip, lr} + stmiane ip!, {r1, r3, r8, lr} + stmiane ip!, {r1, r3, r8, lr} tst r2, #16 - stmneia r0!, {r1, r3, ip, lr} - ldr lr, [sp], #4 + stmiane ip!, {r1, r3, r8, lr} + ldmfd sp!, {r8, lr} #else @@ -74,53 +66,63 @@ memset: * whole cache lines at once. */ - stmfd sp!, {r4-r7, lr} + stmfd sp!, {r4-r8, lr} mov r4, r1 mov r5, r1 mov r6, r1 mov r7, r1 - mov ip, r1 + mov r8, r1 mov lr, r1 cmp r2, #96 - tstgt r0, #31 + tstgt ip, #31 ble 3f - and ip, r0, #31 - rsb ip, ip, #32 - sub r2, r2, ip - movs ip, ip, lsl #(32 - 4) - stmcsia r0!, {r4, r5, r6, r7} - stmmiia r0!, {r4, r5} - tst ip, #(1 << 30) - mov ip, r1 - strne r1, [r0], #4 + and r8, ip, #31 + rsb r8, r8, #32 + sub r2, r2, r8 + movs r8, r8, lsl #(32 - 4) + stmiacs ip!, {r4, r5, r6, r7} + stmiami ip!, {r4, r5} + tst r8, #(1 << 30) + mov r8, r1 + strne r1, [ip], #4 3: subs r2, r2, #64 - stmgeia r0!, {r1, r3-r7, ip, lr} - stmgeia r0!, {r1, r3-r7, ip, lr} + stmiage ip!, {r1, r3-r8, lr} + stmiage ip!, {r1, r3-r8, lr} bgt 3b - ldmeqfd sp!, {r4-r7, pc} + ldmfdeq sp!, {r4-r8, pc} tst r2, #32 - stmneia r0!, {r1, r3-r7, ip, lr} + stmiane ip!, {r1, r3-r8, lr} tst r2, #16 - stmneia r0!, {r4-r7} - ldmfd sp!, {r4-r7, lr} + stmiane ip!, {r4-r7} + ldmfd sp!, {r4-r8, lr} #endif 4: tst r2, #8 - stmneia r0!, {r1, r3} + stmiane ip!, {r1, r3} tst r2, #4 - strne r1, [r0], #4 + strne r1, [ip], #4 /* * When we get here, we've got less than 4 bytes to zero. We * may have an unaligned pointer as well. */ 5: tst r2, #2 - strneb r1, [r0], #1 - strneb r1, [r0], #1 + strbne r1, [ip], #1 + strbne r1, [ip], #1 tst r2, #1 - strneb r1, [r0], #1 - mov pc, lr + strbne r1, [ip], #1 + ret lr + +6: subs r2, r2, #4 @ 1 do we have enough + blt 5b @ 1 bytes to align with? + cmp r3, #2 @ 1 + strblt r1, [ip], #1 @ 1 + strble r1, [ip], #1 @ 1 + strb r1, [ip], #1 @ 1 + add r2, r2, r3 @ 1 (r2 = r2 - (4 - r3)) + b 1b +ENDPROC(memset) -- 2.1.3

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[U-Boot] SPI flash ID patches
by Ben Dooks 18 Dec '14

18 Dec '14

These are a pair of patches adding some SPI flashes that were evaluated on a Marvell Kirkwood system.

2 6

[U-Boot] [PATCH] mtd: sf: Zap ramtron driver
by Jagannadha Sutradharudu Teki 18 Dec '14

18 Dec '14

Removed ramtron driver since the EMK boards are no longer been active, and these are the only boards used this flash driver. Commit details for EMK zap: "ppc/arm: zap EMK boards" (sha1: d58a9451e7339ed4cf2b2627e534611f427fb791) Signed-off-by: Jagannadha Sutradharudu Teki <jagannadh.teki(a)gmail.com> Cc: Reinhard Meyer <reinhard.meyer(a)emk-elektronik.de> --- drivers/mtd/spi/Makefile | 1 - drivers/mtd/spi/ramtron.c | 404 ---------------------------------------------- 2 files changed, 405 deletions(-) delete mode 100644 drivers/mtd/spi/ramtron.c diff --git a/drivers/mtd/spi/Makefile b/drivers/mtd/spi/Makefile index 15789a0..c61b784 100644 --- a/drivers/mtd/spi/Makefile +++ b/drivers/mtd/spi/Makefile @@ -17,6 +17,5 @@ obj-$(CONFIG_SPI_FLASH) += sf_probe.o #endif obj-$(CONFIG_CMD_SF) += sf.o obj-$(CONFIG_SPI_FLASH) += sf_ops.o sf_params.o -obj-$(CONFIG_SPI_FRAM_RAMTRON) += ramtron.o obj-$(CONFIG_SPI_FLASH_SANDBOX) += sandbox.o obj-$(CONFIG_SPI_M95XXX) += eeprom_m95xxx.o diff --git a/drivers/mtd/spi/ramtron.c b/drivers/mtd/spi/ramtron.c deleted file mode 100644 index a23032c..0000000 --- a/drivers/mtd/spi/ramtron.c +++ /dev/null @@ -1,404 +0,0 @@ -/* - * (C) Copyright 2010 - * Reinhard Meyer, EMK Elektronik, reinhard.meyer(a)emk-elektronik.de - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* - * Note: RAMTRON SPI FRAMs are ferroelectric, nonvolatile RAMs - * with an interface identical to SPI flash devices. - * However since they behave like RAM there are no delays or - * busy polls required. They can sustain read or write at the - * allowed SPI bus speed, which can be 40 MHz for some devices. - * - * Unfortunately some RAMTRON devices do not have a means of - * identifying them. They will leave the SO line undriven when - * the READ-ID command is issued. It is therefore mandatory - * that the MISO line has a proper pull-up, so that READ-ID - * will return a row of 0xff. This 0xff pseudo-id will cause - * probes by all vendor specific functions that are designed - * to handle it. If the MISO line is not pulled up, READ-ID - * could return any random noise, even mimicking another - * device. - * - * We use CONFIG_SPI_FRAM_RAMTRON_NON_JEDEC - * to define which device will be assumed after a simple status - * register verify. This method is prone to false positive - * detection and should therefore be the last to be tried. - * Enter it in the last position in the table in spi_flash.c! - * - * The define CONFIG_SPI_FRAM_RAMTRON_NON_JEDEC both activates - * compilation of the special handler and defines the device - * to assume. - */ - -#include <common.h> -#include <malloc.h> -#include <spi.h> -#include <spi_flash.h> -#include "sf_internal.h" - -/* - * Properties of supported FRAMs - * Note: speed is currently not used because we have no method to deliver that - * value to the upper layers - */ -struct ramtron_spi_fram_params { - u32 size; /* size in bytes */ - u8 addr_len; /* number of address bytes */ - u8 merge_cmd; /* some address bits are in the command byte */ - u8 id1; /* device ID 1 (family, density) */ - u8 id2; /* device ID 2 (sub, rev, rsvd) */ - u32 speed; /* max. SPI clock in Hz */ - const char *name; /* name for display and/or matching */ -}; - -struct ramtron_spi_fram { - struct spi_flash flash; - const struct ramtron_spi_fram_params *params; -}; - -static inline struct ramtron_spi_fram *to_ramtron_spi_fram(struct spi_flash - *flash) -{ - return container_of(flash, struct ramtron_spi_fram, flash); -} - -/* - * table describing supported FRAM chips: - * chips without RDID command must have the values 0xff for id1 and id2 - */ -static const struct ramtron_spi_fram_params ramtron_spi_fram_table[] = { - { - .size = 32*1024, - .addr_len = 2, - .merge_cmd = 0, - .id1 = 0x22, - .id2 = 0x00, - .speed = 40000000, - .name = "FM25V02", - }, - { - .size = 32*1024, - .addr_len = 2, - .merge_cmd = 0, - .id1 = 0x22, - .id2 = 0x01, - .speed = 40000000, - .name = "FM25VN02", - }, - { - .size = 64*1024, - .addr_len = 2, - .merge_cmd = 0, - .id1 = 0x23, - .id2 = 0x00, - .speed = 40000000, - .name = "FM25V05", - }, - { - .size = 64*1024, - .addr_len = 2, - .merge_cmd = 0, - .id1 = 0x23, - .id2 = 0x01, - .speed = 40000000, - .name = "FM25VN05", - }, - { - .size = 128*1024, - .addr_len = 3, - .merge_cmd = 0, - .id1 = 0x24, - .id2 = 0x00, - .speed = 40000000, - .name = "FM25V10", - }, - { - .size = 128*1024, - .addr_len = 3, - .merge_cmd = 0, - .id1 = 0x24, - .id2 = 0x01, - .speed = 40000000, - .name = "FM25VN10", - }, -#ifdef CONFIG_SPI_FRAM_RAMTRON_NON_JEDEC - { - .size = 256*1024, - .addr_len = 3, - .merge_cmd = 0, - .id1 = 0xff, - .id2 = 0xff, - .speed = 40000000, - .name = "FM25H20", - }, -#endif -}; - -static int ramtron_common(struct spi_flash *flash, - u32 offset, size_t len, void *buf, u8 command) -{ - struct ramtron_spi_fram *sn = to_ramtron_spi_fram(flash); - u8 cmd[4]; - int cmd_len; - int ret; - - if (sn->params->addr_len == 3 && sn->params->merge_cmd == 0) { - cmd[0] = command; - cmd[1] = offset >> 16; - cmd[2] = offset >> 8; - cmd[3] = offset; - cmd_len = 4; - } else if (sn->params->addr_len == 2 && sn->params->merge_cmd == 0) { - cmd[0] = command; - cmd[1] = offset >> 8; - cmd[2] = offset; - cmd_len = 3; - } else { - printf("SF: unsupported addr_len or merge_cmd\n"); - return -1; - } - - /* claim the bus */ - ret = spi_claim_bus(flash->spi); - if (ret) { - debug("SF: Unable to claim SPI bus\n"); - return ret; - } - - if (command == CMD_PAGE_PROGRAM) { - /* send WREN */ - ret = spi_flash_cmd_write_enable(flash); - if (ret < 0) { - debug("SF: Enabling Write failed\n"); - goto releasebus; - } - } - - /* do the transaction */ - if (command == CMD_PAGE_PROGRAM) - ret = spi_flash_cmd_write(flash->spi, cmd, cmd_len, buf, len); - else - ret = spi_flash_cmd_read(flash->spi, cmd, cmd_len, buf, len); - if (ret < 0) - debug("SF: Transaction failed\n"); - -releasebus: - /* release the bus */ - spi_release_bus(flash->spi); - return ret; -} - -static int ramtron_read(struct spi_flash *flash, - u32 offset, size_t len, void *buf) -{ - return ramtron_common(flash, offset, len, buf, - CMD_READ_ARRAY_SLOW); -} - -static int ramtron_write(struct spi_flash *flash, - u32 offset, size_t len, const void *buf) -{ - return ramtron_common(flash, offset, len, (void *)buf, - CMD_PAGE_PROGRAM); -} - -static int ramtron_erase(struct spi_flash *flash, u32 offset, size_t len) -{ - debug("SF: Erase of RAMTRON FRAMs is pointless\n"); - return -1; -} - -/* - * nore: we are called here with idcode pointing to the first non-0x7f byte - * already! - */ -static struct spi_flash *spi_fram_probe_ramtron(struct spi_slave *spi, - u8 *idcode) -{ - const struct ramtron_spi_fram_params *params; - struct ramtron_spi_fram *sn; - unsigned int i; -#ifdef CONFIG_SPI_FRAM_RAMTRON_NON_JEDEC - int ret; - u8 sr; -#endif - - /* NOTE: the bus has been claimed before this function is called! */ - switch (idcode[0]) { - case 0xc2: - /* JEDEC conformant RAMTRON id */ - for (i = 0; i < ARRAY_SIZE(ramtron_spi_fram_table); i++) { - params = &ramtron_spi_fram_table[i]; - if (idcode[1] == params->id1 && - idcode[2] == params->id2) - goto found; - } - break; -#ifdef CONFIG_SPI_FRAM_RAMTRON_NON_JEDEC - case 0xff: - /* - * probably open MISO line, pulled up. - * We COULD have a non JEDEC conformant FRAM here, - * read the status register to verify - */ - ret = spi_flash_cmd(spi, CMD_READ_STATUS, &sr, 1); - if (ret) - return NULL; - - /* Bits 5,4,0 are fixed 0 for all devices */ - if ((sr & 0x31) != 0x00) - return NULL; - /* now find the device */ - for (i = 0; i < ARRAY_SIZE(ramtron_spi_fram_table); i++) { - params = &ramtron_spi_fram_table[i]; - if (!strcmp(params->name, - CONFIG_SPI_FRAM_RAMTRON_NON_JEDEC)) - goto found; - } - debug("SF: Unsupported non-JEDEC RAMTRON device " - CONFIG_SPI_FRAM_RAMTRON_NON_JEDEC "\n"); - break; -#endif - default: - break; - } - - /* arriving here means no method has found a device we can handle */ - debug("SF/ramtron: unsupported device id0=%02x id1=%02x id2=%02x\n", - idcode[0], idcode[1], idcode[2]); - return NULL; - -found: - sn = malloc(sizeof(*sn)); - if (!sn) { - debug("SF: Failed to allocate memory\n"); - return NULL; - } - - sn->params = params; - - sn->flash.write = ramtron_write; - sn->flash.read = ramtron_read; - sn->flash.erase = ramtron_erase; - sn->flash.size = params->size; - - return &sn->flash; -} - -/* - * The following table holds all device probe functions - * (All flashes are removed and implemented a common probe at - * spi_flash_probe.c) - * - * shift: number of continuation bytes before the ID - * idcode: the expected IDCODE or 0xff for non JEDEC devices - * probe: the function to call - * - * Non JEDEC devices should be ordered in the table such that - * the probe functions with best detection algorithms come first. - * - * Several matching entries are permitted, they will be tried - * in sequence until a probe function returns non NULL. - * - * IDCODE_CONT_LEN may be redefined if a device needs to declare a - * larger "shift" value. IDCODE_PART_LEN generally shouldn't be - * changed. This is the max number of bytes probe functions may - * examine when looking up part-specific identification info. - * - * Probe functions will be given the idcode buffer starting at their - * manu id byte (the "idcode" in the table below). In other words, - * all of the continuation bytes will be skipped (the "shift" below). - */ -#define IDCODE_CONT_LEN 0 -#define IDCODE_PART_LEN 5 -static const struct { - const u8 shift; - const u8 idcode; - struct spi_flash *(*probe) (struct spi_slave *spi, u8 *idcode); -} flashes[] = { - /* Keep it sorted by define name */ -#ifdef CONFIG_SPI_FRAM_RAMTRON - { 6, 0xc2, spi_fram_probe_ramtron, }, -# undef IDCODE_CONT_LEN -# define IDCODE_CONT_LEN 6 -#endif -#ifdef CONFIG_SPI_FRAM_RAMTRON_NON_JEDEC - { 0, 0xff, spi_fram_probe_ramtron, }, -#endif -}; -#define IDCODE_LEN (IDCODE_CONT_LEN + IDCODE_PART_LEN) - -struct spi_flash *spi_flash_probe(unsigned int bus, unsigned int cs, - unsigned int max_hz, unsigned int spi_mode) -{ - struct spi_slave *spi; - struct spi_flash *flash = NULL; - int ret, i, shift; - u8 idcode[IDCODE_LEN], *idp; - - spi = spi_setup_slave(bus, cs, max_hz, spi_mode); - if (!spi) { - printf("SF: Failed to set up slave\n"); - return NULL; - } - - ret = spi_claim_bus(spi); - if (ret) { - debug("SF: Failed to claim SPI bus: %d\n", ret); - goto err_claim_bus; - } - - /* Read the ID codes */ - ret = spi_flash_cmd(spi, CMD_READ_ID, idcode, sizeof(idcode)); - if (ret) - goto err_read_id; - -#ifdef DEBUG - printf("SF: Got idcodes\n"); - print_buffer(0, idcode, 1, sizeof(idcode), 0); -#endif - - /* count the number of continuation bytes */ - for (shift = 0, idp = idcode; - shift < IDCODE_CONT_LEN && *idp == 0x7f; - ++shift, ++idp) - continue; - - /* search the table for matches in shift and id */ - for (i = 0; i < ARRAY_SIZE(flashes); ++i) - if (flashes[i].shift == shift && flashes[i].idcode == *idp) { - /* we have a match, call probe */ - flash = flashes[i].probe(spi, idp); - if (flash) - break; - } - - if (!flash) { - printf("SF: Unsupported manufacturer %02x\n", *idp); - goto err_manufacturer_probe; - } - - printf("SF: Detected %s with total size ", flash->name); - print_size(flash->size, ""); - puts("\n"); - - spi_release_bus(spi); - - return flash; - -err_manufacturer_probe: -err_read_id: - spi_release_bus(spi); -err_claim_bus: - spi_free_slave(spi); - return NULL; -} - -void spi_flash_free(struct spi_flash *flash) -{ - spi_free_slave(flash->spi); - free(flash); -} -- 1.9.1

2 1

[U-Boot] [PATCH] ARM: OMAP5: DRA7xx: Enable I2C4 and I2C5 usage on the J6Eco EVM
by Lubomir Popov 18 Dec '14

18 Dec '14

On the J6Eco EVM we have two on-board devices on the I2C5 bus; this bus is also routed to the camera and expansion connectors. I2C4 is routed to one of the expansion connectors. This patch enables usage of these two buses. For I2C5 to work, the 'ARM: OMAP5: DRA7xx: Enable I2C5 operation' patch is required as a prerequisite. Tested on a J6 ECO EVM rev.B with a DRA726 ES1.0. Signed-off-by: Lubomir Popov <l-popov(a)ti.com> --- board/ti/dra7xx/evm.c | 7 +++++++ board/ti/dra7xx/mux_data.h | 8 ++++++++ 2 files changed, 15 insertions(+) diff --git a/board/ti/dra7xx/evm.c b/board/ti/dra7xx/evm.c index 37df7b2..25dae8e 100644 --- a/board/ti/dra7xx/evm.c +++ b/board/ti/dra7xx/evm.c @@ -124,6 +124,13 @@ void set_muxconf_regs_essential(void) core_padconf_array_essential, sizeof(core_padconf_array_essential) / sizeof(struct pad_conf_entry)); + + if (omap_revision() == DRA722_ES1_0) { + do_set_mux32((*ctrl)->control_padconf_core_base, + core_padconf_array_j6ecoevm, + sizeof(core_padconf_array_j6ecoevm) / + sizeof(struct pad_conf_entry)); + } } #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC) diff --git a/board/ti/dra7xx/mux_data.h b/board/ti/dra7xx/mux_data.h index 4824077..f155f65 100644 --- a/board/ti/dra7xx/mux_data.h +++ b/board/ti/dra7xx/mux_data.h @@ -141,4 +141,12 @@ const struct pad_conf_entry core_padconf_array_essential[] = { {USB2_DRVVBUS, (M0 | IEN | FSC) }, {SPI1_CS1, (PEN | IDIS | M14) }, }; + +const struct pad_conf_entry core_padconf_array_j6ecoevm[] = { + {MCASP1_AXR0, (IEN | PTU | PDIS | M10)},/* I2C5_SDA */ + {MCASP1_AXR1, (IEN | PTU | PDIS | M10)},/* I2C5_SCL */ + + {MCASP4_ACLKX, (IEN | PTU | PDIS | M4)},/* I2C4_SDA */ + {MCASP4_FSX, (IEN | PTU | PDIS | M4)}, /* I2C4_SCL */ +}; #endif /* _MUX_DATA_DRA7XX_H_ */ -- 1.7.9.5

2 3

[U-Boot] [PATCH v2] ubi: enable error reporting in initialization
by Andrew Ruder 18 Dec '14

18 Dec '14

The UBI layer will disable much of its error reporting when it is compiled into the linux kernel to avoid stopping boot. We want this error reporting in U-Boot since we don't initialize the UBI layer until it is used and want the error reporting. We force this by telling the UBI layer we are building as a module. Signed-off-by: Andrew Ruder <andrew.ruder(a)elecsyscorp.com> Cc: Wolfgang Denk <wd(a)denx.de> Cc: Heiko Schocher <hs(a)denx.de> Cc: Kyungmin Park <kmpark(a)infradead.org> --- include/ubi_uboot.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/include/ubi_uboot.h b/include/ubi_uboot.h index 1fd15f4..324fe72 100644 --- a/include/ubi_uboot.h +++ b/include/ubi_uboot.h @@ -51,6 +51,14 @@ #undef CONFIG_MTD_UBI_BLOCK +/* ubi_init() disables returning error codes when built into the Linux + * kernel so that it doesn't hang the Linux kernel boot process. Since + * the U-Boot driver code depends on getting valid error codes from this + * function we just tell the UBI layer that we are building as a module + * (which only enables the additional error reporting). + */ +#define CONFIG_MTD_UBI_MODULE + #if !defined(CONFIG_MTD_UBI_BEB_LIMIT) #define CONFIG_MTD_UBI_BEB_LIMIT 20 #endif -- 2.1.1

2 2

[U-Boot] RFC Pin Configuration Device Tree Bindings for Altera Arria10 SOCFPGA
by Matthew Gerlach 16 Dec '14

16 Dec '14

Altera Arria10 SOCFPGA Pin Configuration Bindings This document describes device tree bindings required to perform configuration of the pins for an Altera Arria10 SOCFPGA . The bindings are intended to be compact and easy to be consumed only by a SPL running in a small on-chip ram before external memory is available. The Arria10 SOCFPGA does not support dynamic modification of the pin configuration. Each set of pins is represented by its own subnode. For each subnode, the altr,pinmux-regs data will be written to sequential 32 bit addresses starting at the address in the reg property. Required properties: - compatible : Must be "altr,arria10-pinmux" for Arria10 SOCFPGA - one subnode for each set of pins to be configured Required subnode properties: - reg : The start address to write pinmux-data as 32 bit quantities and the number of bytes of registers to be written. - altr,pinmux-regs : Pin configuration data to be written to registers Example: pinmux@0xffd07000 { #address-cells = <1>; #size-cells = <0>; compatible = "altr,arria10-pinmux"; shared { reg = <0xffd07000 0x000000c0>; altr,pinmux-regs = <0xF 0xF 0xF 0xF 0xF 0xF 0xF 0xF 0xF 0xF 0xF 0xF 0xF 0xF 0xF 0xF 0xF 0xF 0xF 0xF 0xD 0xD 0xD 0xD 0xD 0xD 0xD 0xD 0xF 0xF 0xF 0xF 0xF 0xF 0xF 0xF 0xF 0xF 0xF 0xF 0xF 0xF 0xF 0xF 0xF 0xF 0xF 0xF>; }; dedicated { reg = <0xffd07200 0x00000044>; altr,pinmux-regs = <0x0 0x0 0x0 0x8 0x8 0x8 0x8 0x8 0x8 0x8 0xF 0xF 0xF 0xF 0xF 0xD 0xD>; }; dedicated_cfg { reg = <0xffd07300 0x00000048>; altr,pinmux-regs = <0x00000 0x51010 0x51010 0x51010 0x40605 0x40605 0x00605 0x40605 0x40605 0x40605 0x10605 0x51010 0x51010 0x51010 0x51010 0x51010 0x03030 0x23030>; }; fpga { reg = <0xffd07400 0x00000044>; altr,pinmux-regs = <0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0>; }; };

7 8

[U-Boot] [PATCH] fsl/sleep: updated the deep sleep framework for QorIQ platforms
by Yuantian.Tang＠freescale.com 16 Dec '14

16 Dec '14

From: Tang Yuantian <Yuantian.Tang(a)freescale.com> With the introducing of generic board and ARM-based cores, current deep sleep framework doesn't work anymore. This patch will convert the current framework to adapt this change. Basically it does: 1. Converts all the Freescale's DDR driver to support deep sleep. 2. Added basic framework support for ARM-based and PPC-based cores separately. Signed-off-by: Tang Yuantian <Yuantian.Tang(a)freescale.com> --- board/freescale/common/Makefile | 6 +++ board/freescale/common/arm_sleep.c | 95 ++++++++++++++++++++++++++++++++++ board/freescale/common/mpc85xx_sleep.c | 88 +++++++++++++++++++++++++++++++ board/freescale/common/sleep.h | 21 ++++++++ drivers/ddr/fsl/arm_ddr_gen3.c | 45 +++++++++++++--- drivers/ddr/fsl/fsl_ddr_gen4.c | 44 ++++++++++++++-- drivers/ddr/fsl/mpc85xx_ddr_gen3.c | 67 +++++++++--------------- include/fsl_ddr_sdram.h | 12 +++-- 8 files changed, 322 insertions(+), 56 deletions(-) create mode 100644 board/freescale/common/arm_sleep.c create mode 100644 board/freescale/common/mpc85xx_sleep.c create mode 100644 board/freescale/common/sleep.h diff --git a/board/freescale/common/Makefile b/board/freescale/common/Makefile index 32b5a3b..d1b6e3c 100644 --- a/board/freescale/common/Makefile +++ b/board/freescale/common/Makefile @@ -36,6 +36,12 @@ endif obj-$(CONFIG_FSL_DIU_CH7301) += diu_ch7301.o +ifdef CONFIG_ARM +obj-$(CONFIG_DEEP_SLEEP) += arm_sleep.o +else +obj-$(CONFIG_DEEP_SLEEP) += mpc85xx_sleep.o +endif + obj-$(CONFIG_FSL_DCU_SII9022A) += dcu_sii9022a.o obj-$(CONFIG_MPC8541CDS) += cds_pci_ft.o diff --git a/board/freescale/common/arm_sleep.c b/board/freescale/common/arm_sleep.c new file mode 100644 index 0000000..8edf878 --- /dev/null +++ b/board/freescale/common/arm_sleep.c @@ -0,0 +1,95 @@ +/* + * Copyright 2014 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#if !defined(CONFIG_ARMV7_NONSEC) || !defined(CONFIG_ARMV7_VIRT) +#error " Deep sleep needs non-secure mode support. " +#else +#include <asm/secure.h> +#endif +#include <asm/armv7.h> +#include <asm/cache.h> + +#if defined(CONFIG_LS102XA) +#include <asm/arch/immap_ls102xa.h> +#endif + +#include "sleep.h" + +DECLARE_GLOBAL_DATA_PTR; + +void __weak board_mem_sleep_setup(void) +{ +} + +void __weak board_sleep_prepare(void) +{ +} + +bool is_warm_boot(void) +{ + struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR; + + if (in_be32(&gur->crstsr) & DCFG_CCSR_CRSTSR_WDRFR) + return 1; + + return 0; +} + +void fsl_dp_disable_console(void) +{ + gd->flags |= GD_FLG_SILENT | GD_FLG_DISABLE_CONSOLE; +} + +/* + * When wakeup from deep sleep, the first 128 bytes space + * will be used to do DDR training which corrupts the data + * in there. This function will restore them. + */ +static void dp_ddr_restore(void) +{ + u64 *src, *dst; + int i; + struct ccsr_scfg __iomem *scfg = (void *)CONFIG_SYS_FSL_SCFG_ADDR; + + /* get the address of ddr date from SPARECR3 */ + src = (u64 *)in_le32(&scfg->sparecr[2]); + dst = (u64 *)CONFIG_SYS_SDRAM_BASE; + + for (i = 0; i < DDR_BUFF_LEN / 8; i++) + *dst++ = *src++; + + flush_dcache_all(); +} + +static void dp_resume_prepare(void) +{ + dp_ddr_restore(); + board_sleep_prepare(); + armv7_init_nonsec(); + cleanup_before_linux(); +} + +int fsl_dp_resume(void) +{ + u32 start_addr; + void (*kernel_resume)(void); + struct ccsr_scfg __iomem *scfg = (void *)CONFIG_SYS_FSL_SCFG_ADDR; + + if (!is_warm_boot()) + return 0; + + dp_resume_prepare(); + + /* Get the entry address and jump to kernel */ + start_addr = in_le32(&scfg->sparecr[1]); + debug("Entry address is 0x%08x\n", start_addr); + kernel_resume = (void (*)(void))start_addr; + secure_ram_addr(_do_nonsec_entry)(kernel_resume, 0, 0, 0); + + return 0; +} diff --git a/board/freescale/common/mpc85xx_sleep.c b/board/freescale/common/mpc85xx_sleep.c new file mode 100644 index 0000000..f924e7f --- /dev/null +++ b/board/freescale/common/mpc85xx_sleep.c @@ -0,0 +1,88 @@ +/* + * Copyright 2014 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/immap_85xx.h> +#include "sleep.h" + +DECLARE_GLOBAL_DATA_PTR; + +void __weak board_mem_sleep_setup(void) +{ +} + +void __weak board_sleep_prepare(void) +{ +} + +bool is_warm_boot(void) +{ + struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; + + if (in_be32(&gur->scrtsr[0]) & DCFG_CCSR_CRSTSR_WDRFR) + return 1; + + return 0; +} + +void fsl_dp_disable_console(void) +{ + gd->flags |= GD_FLG_SILENT | GD_FLG_DISABLE_CONSOLE; +} + +/* + * When wakeup from deep sleep, the first 128 bytes space + * will be used to do DDR training which corrupts the data + * in there. This function will restore them. + */ +static void dp_ddr_restore(void) +{ + volatile u64 *src, *dst; + int i; + struct ccsr_scfg __iomem *scfg = (void *)CONFIG_SYS_MPC85xx_SCFG; + + /* get the address of ddr date from SPARECR3 */ + src = (u64 *)in_be32(&scfg->sparecr[2]); + dst = (u64 *)CONFIG_SYS_SDRAM_BASE; + + for (i = 0; i < DDR_BUFF_LEN / 8; i++) + *dst++ = *src++; + + flush_dcache(); +} + +static void dp_resume_prepare(void) +{ + dp_ddr_restore(); + + board_sleep_prepare(); + + l2cache_init(); +#if defined(CONFIG_RAMBOOT_PBL) + disable_cpc_sram(); +#endif + enable_cpc(); +} + +int fsl_dp_resume(void) +{ + u32 start_addr; + void (*kernel_resume)(void); + struct ccsr_scfg __iomem *scfg = (void *)CONFIG_SYS_MPC85xx_SCFG; + + if (!is_warm_boot()) + return 0; + + dp_resume_prepare(); + + /* Get the entry address and jump to kernel */ + start_addr = in_be32(&scfg->sparecr[1]); + debug("Entry address is 0x%08x\n", start_addr); + kernel_resume = (void (*)(void))start_addr; + kernel_resume(); + + return 0; +} diff --git a/board/freescale/common/sleep.h b/board/freescale/common/sleep.h new file mode 100644 index 0000000..c26c542 --- /dev/null +++ b/board/freescale/common/sleep.h @@ -0,0 +1,21 @@ +/* + * Copyright 2014 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __SLEEP_H +#define __SLEEP_H + +#define DCFG_CCSR_CRSTSR_WDRFR (1 << 3) +#define DDR_BUFF_LEN 128 + +/* determine if it is a wakeup from deep sleep */ +bool is_warm_boot(void); + +/* disable console output */ +void fsl_dp_disable_console(void); + +/* clean up everything and jump to kernel */ +int fsl_dp_resume(void); +#endif diff --git a/drivers/ddr/fsl/arm_ddr_gen3.c b/drivers/ddr/fsl/arm_ddr_gen3.c index 59f2fd6..c139da6 100644 --- a/drivers/ddr/fsl/arm_ddr_gen3.c +++ b/drivers/ddr/fsl/arm_ddr_gen3.c @@ -92,7 +92,6 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, ddr_out32(&ddr->timing_cfg_0, regs->timing_cfg_0); ddr_out32(&ddr->timing_cfg_1, regs->timing_cfg_1); ddr_out32(&ddr->timing_cfg_2, regs->timing_cfg_2); - ddr_out32(&ddr->sdram_cfg_2, regs->ddr_sdram_cfg_2); ddr_out32(&ddr->sdram_mode, regs->ddr_sdram_mode); ddr_out32(&ddr->sdram_mode_2, regs->ddr_sdram_mode_2); ddr_out32(&ddr->sdram_mode_3, regs->ddr_sdram_mode_3); @@ -105,9 +104,6 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, ddr_out32(&ddr->sdram_interval, regs->ddr_sdram_interval); ddr_out32(&ddr->sdram_data_init, regs->ddr_data_init); ddr_out32(&ddr->sdram_clk_cntl, regs->ddr_sdram_clk_cntl); - ddr_out32(&ddr->init_addr, regs->ddr_init_addr); - ddr_out32(&ddr->init_ext_addr, regs->ddr_init_ext_addr); - ddr_out32(&ddr->timing_cfg_4, regs->timing_cfg_4); ddr_out32(&ddr->timing_cfg_5, regs->timing_cfg_5); ddr_out32(&ddr->ddr_zq_cntl, regs->ddr_zq_cntl); @@ -128,7 +124,24 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, ddr_out32(&ddr->ddr_sdram_rcw_1, regs->ddr_sdram_rcw_1); ddr_out32(&ddr->ddr_sdram_rcw_2, regs->ddr_sdram_rcw_2); ddr_out32(&ddr->ddr_cdr1, regs->ddr_cdr1); - ddr_out32(&ddr->ddr_cdr2, regs->ddr_cdr2); +#ifdef CONFIG_DEEP_SLEEP + if (is_warm_boot()) { + ddr_out32(&ddr->sdram_cfg_2, + regs->ddr_sdram_cfg_2 & ~SDRAM_CFG2_D_INIT); + ddr_out32(&ddr->init_addr, CONFIG_SYS_SDRAM_BASE); + ddr_out32(&ddr->init_ext_addr, DDR_INIT_ADDR_EXT_UIA); + + /* DRAM VRef will not be trained */ + ddr_out32(&ddr->ddr_cdr2, + regs->ddr_cdr2 & ~DDR_CDR2_VREF_TRAIN_EN); + } else +#endif + { + ddr_out32(&ddr->sdram_cfg_2, regs->ddr_sdram_cfg_2); + ddr_out32(&ddr->init_addr, regs->ddr_init_addr); + ddr_out32(&ddr->init_ext_addr, regs->ddr_init_ext_addr); + ddr_out32(&ddr->ddr_cdr2, regs->ddr_cdr2); + } ddr_out32(&ddr->err_disable, regs->err_disable); ddr_out32(&ddr->err_int_en, regs->err_int_en); for (i = 0; i < 32; i++) { @@ -167,8 +180,20 @@ step2: udelay(500); asm volatile("dsb sy;isb"); +#ifdef CONFIG_DEEP_SLEEP + if (is_warm_boot()) { + /* enter self-refresh */ + temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg_2); + temp_sdram_cfg |= SDRAM_CFG2_FRC_SR; + ddr_out32(&ddr->sdram_cfg_2, temp_sdram_cfg); + /* do board specific memory setup */ + board_mem_sleep_setup(); + + temp_sdram_cfg = (ddr_in32(&ddr->sdram_cfg) | SDRAM_CFG_BI); + } else +#endif + temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg) & ~SDRAM_CFG_BI; /* Let the controller go */ - temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg) & ~SDRAM_CFG_BI; ddr_out32(&ddr->sdram_cfg, temp_sdram_cfg | SDRAM_CFG_MEM_EN); asm volatile("dsb sy;isb"); @@ -211,4 +236,12 @@ step2: if (timeout <= 0) printf("Waiting for D_INIT timeout. Memory may not work.\n"); +#ifdef CONFIG_DEEP_SLEEP + if (is_warm_boot()) { + /* exit self-refresh */ + temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg_2); + temp_sdram_cfg &= ~SDRAM_CFG2_FRC_SR; + ddr_out32(&ddr->sdram_cfg_2, temp_sdram_cfg); + } +#endif } diff --git a/drivers/ddr/fsl/fsl_ddr_gen4.c b/drivers/ddr/fsl/fsl_ddr_gen4.c index e024db9..a3c01e7 100644 --- a/drivers/ddr/fsl/fsl_ddr_gen4.c +++ b/drivers/ddr/fsl/fsl_ddr_gen4.c @@ -103,7 +103,6 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, ddr_out32(&ddr->dq_map_1, regs->dq_map_1); ddr_out32(&ddr->dq_map_2, regs->dq_map_2); ddr_out32(&ddr->dq_map_3, regs->dq_map_3); - ddr_out32(&ddr->sdram_cfg_2, regs->ddr_sdram_cfg_2); ddr_out32(&ddr->sdram_cfg_3, regs->ddr_sdram_cfg_3); ddr_out32(&ddr->sdram_mode, regs->ddr_sdram_mode); ddr_out32(&ddr->sdram_mode_2, regs->ddr_sdram_mode_2); @@ -124,8 +123,6 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, ddr_out32(&ddr->sdram_md_cntl, regs->ddr_sdram_md_cntl); ddr_out32(&ddr->sdram_interval, regs->ddr_sdram_interval); ddr_out32(&ddr->sdram_data_init, regs->ddr_data_init); - ddr_out32(&ddr->init_addr, regs->ddr_init_addr); - ddr_out32(&ddr->init_ext_addr, regs->ddr_init_ext_addr); ddr_out32(&ddr->ddr_wrlvl_cntl, regs->ddr_wrlvl_cntl); #ifndef CONFIG_SYS_FSL_DDR_EMU /* @@ -147,7 +144,24 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, ddr_out32(&ddr->ddr_sdram_rcw_5, regs->ddr_sdram_rcw_5); ddr_out32(&ddr->ddr_sdram_rcw_6, regs->ddr_sdram_rcw_6); ddr_out32(&ddr->ddr_cdr1, regs->ddr_cdr1); - ddr_out32(&ddr->ddr_cdr2, regs->ddr_cdr2); +#ifdef CONFIG_DEEP_SLEEP + if (is_warm_boot()) { + ddr_out32(&ddr->sdram_cfg_2, + regs->ddr_sdram_cfg_2 & ~SDRAM_CFG2_D_INIT); + ddr_out32(&ddr->init_addr, CONFIG_SYS_SDRAM_BASE); + ddr_out32(&ddr->init_ext_addr, DDR_INIT_ADDR_EXT_UIA); + + /* DRAM VRef will not be trained */ + ddr_out32(&ddr->ddr_cdr2, + regs->ddr_cdr2 & ~DDR_CDR2_VREF_TRAIN_EN); + } else +#endif + { + ddr_out32(&ddr->sdram_cfg_2, regs->ddr_sdram_cfg_2); + ddr_out32(&ddr->init_addr, regs->ddr_init_addr); + ddr_out32(&ddr->init_ext_addr, regs->ddr_init_ext_addr); + ddr_out32(&ddr->ddr_cdr2, regs->ddr_cdr2); + } ddr_out32(&ddr->err_disable, regs->err_disable); ddr_out32(&ddr->err_int_en, regs->err_int_en); for (i = 0; i < 32; i++) { @@ -187,8 +201,20 @@ step2: mb(); isb(); +#ifdef CONFIG_DEEP_SLEEP + if (is_warm_boot()) { + /* enter self-refresh */ + temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg_2); + temp_sdram_cfg |= SDRAM_CFG2_FRC_SR; + ddr_out32(&ddr->sdram_cfg_2, temp_sdram_cfg); + /* do board specific memory setup */ + board_mem_sleep_setup(); + + temp_sdram_cfg = (ddr_in32(&ddr->sdram_cfg) | SDRAM_CFG_BI); + } else +#endif + temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg) & ~SDRAM_CFG_BI; /* Let the controller go */ - temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg) & ~SDRAM_CFG_BI; ddr_out32(&ddr->sdram_cfg, temp_sdram_cfg | SDRAM_CFG_MEM_EN); mb(); isb(); @@ -233,4 +259,12 @@ step2: if (timeout <= 0) printf("Waiting for D_INIT timeout. Memory may not work.\n"); +#ifdef CONFIG_DEEP_SLEEP + if (is_warm_boot()) { + /* exit self-refresh */ + temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg_2); + temp_sdram_cfg &= ~SDRAM_CFG2_FRC_SR; + ddr_out32(&ddr->sdram_cfg_2, temp_sdram_cfg); + } +#endif } diff --git a/drivers/ddr/fsl/mpc85xx_ddr_gen3.c b/drivers/ddr/fsl/mpc85xx_ddr_gen3.c index 4d5572e..8f4d01a 100644 --- a/drivers/ddr/fsl/mpc85xx_ddr_gen3.c +++ b/drivers/ddr/fsl/mpc85xx_ddr_gen3.c @@ -15,8 +15,6 @@ #error Invalid setting for CONFIG_CHIP_SELECTS_PER_CTRL #endif -DECLARE_GLOBAL_DATA_PTR; - /* * regs has the to-be-set values for DDR controller registers * ctrl_num is the DDR controller number @@ -44,16 +42,6 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, u32 save1, save2; #endif -#ifdef CONFIG_DEEP_SLEEP - const ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); - bool sleep_flag = 0; -#endif - -#ifdef CONFIG_DEEP_SLEEP - if (in_be32(&gur->scrtsr[0]) & (1 << 3)) - sleep_flag = 1; -#endif - switch (ctrl_num) { case 0: ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR; @@ -130,13 +118,6 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, out_be32(&ddr->timing_cfg_0, regs->timing_cfg_0); out_be32(&ddr->timing_cfg_1, regs->timing_cfg_1); out_be32(&ddr->timing_cfg_2, regs->timing_cfg_2); -#ifdef CONFIG_DEEP_SLEEP - if (sleep_flag) - out_be32(&ddr->sdram_cfg_2, - regs->ddr_sdram_cfg_2 & ~SDRAM_CFG2_D_INIT); - else -#endif - out_be32(&ddr->sdram_cfg_2, regs->ddr_sdram_cfg_2); out_be32(&ddr->sdram_mode, regs->ddr_sdram_mode); out_be32(&ddr->sdram_mode_2, regs->ddr_sdram_mode_2); out_be32(&ddr->sdram_mode_3, regs->ddr_sdram_mode_3); @@ -149,17 +130,6 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, out_be32(&ddr->sdram_interval, regs->ddr_sdram_interval); out_be32(&ddr->sdram_data_init, regs->ddr_data_init); out_be32(&ddr->sdram_clk_cntl, regs->ddr_sdram_clk_cntl); -#ifdef CONFIG_DEEP_SLEEP - if (sleep_flag) { - out_be32(&ddr->init_addr, 0); - out_be32(&ddr->init_ext_addr, (1 << 31)); - } else -#endif - { - out_be32(&ddr->init_addr, regs->ddr_init_addr); - out_be32(&ddr->init_ext_addr, regs->ddr_init_ext_addr); - } - out_be32(&ddr->timing_cfg_4, regs->timing_cfg_4); out_be32(&ddr->timing_cfg_5, regs->timing_cfg_5); out_be32(&ddr->ddr_zq_cntl, regs->ddr_zq_cntl); @@ -180,7 +150,24 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, out_be32(&ddr->ddr_sdram_rcw_1, regs->ddr_sdram_rcw_1); out_be32(&ddr->ddr_sdram_rcw_2, regs->ddr_sdram_rcw_2); out_be32(&ddr->ddr_cdr1, regs->ddr_cdr1); - out_be32(&ddr->ddr_cdr2, regs->ddr_cdr2); +#ifdef CONFIG_DEEP_SLEEP + if (is_warm_boot()) { + out_be32(&ddr->sdram_cfg_2, + regs->ddr_sdram_cfg_2 & ~SDRAM_CFG2_D_INIT); + out_be32(&ddr->init_addr, CONFIG_SYS_SDRAM_BASE); + out_be32(&ddr->init_ext_addr, DDR_INIT_ADDR_EXT_UIA); + + /* DRAM VRef will not be trained */ + out_be32(&ddr->ddr_cdr2, + regs->ddr_cdr2 & ~DDR_CDR2_VREF_TRAIN_EN); + } else +#endif + { + out_be32(&ddr->sdram_cfg_2, regs->ddr_sdram_cfg_2); + out_be32(&ddr->init_addr, regs->ddr_init_addr); + out_be32(&ddr->init_ext_addr, regs->ddr_init_ext_addr); + out_be32(&ddr->ddr_cdr2, regs->ddr_cdr2); + } out_be32(&ddr->err_disable, regs->err_disable); out_be32(&ddr->err_int_en, regs->err_int_en); for (i = 0; i < 32; i++) { @@ -400,21 +387,17 @@ step2: asm volatile("sync;isync"); #ifdef CONFIG_DEEP_SLEEP - if (sleep_flag) { + if (is_warm_boot()) { /* enter self-refresh */ - setbits_be32(&ddr->sdram_cfg_2, (1 << 31)); + setbits_be32(&ddr->sdram_cfg_2, SDRAM_CFG2_FRC_SR); /* do board specific memory setup */ board_mem_sleep_setup(); - } -#endif - - /* Let the controller go */ -#ifdef CONFIG_DEEP_SLEEP - if (sleep_flag) temp_sdram_cfg = (in_be32(&ddr->sdram_cfg) | SDRAM_CFG_BI); - else + } else #endif temp_sdram_cfg = (in_be32(&ddr->sdram_cfg) & ~SDRAM_CFG_BI); + + /* Let the controller go */ out_be32(&ddr->sdram_cfg, temp_sdram_cfg | SDRAM_CFG_MEM_EN); asm volatile("sync;isync"); @@ -566,8 +549,8 @@ step2: } #endif /* CONFIG_SYS_FSL_ERRATUM_DDR111_DDR134 */ #ifdef CONFIG_DEEP_SLEEP - if (sleep_flag) + if (is_warm_boot()) /* exit self-refresh */ - clrbits_be32(&ddr->sdram_cfg_2, (1 << 31)); + clrbits_be32(&ddr->sdram_cfg_2, SDRAM_CFG2_FRC_SR); #endif } diff --git a/include/fsl_ddr_sdram.h b/include/fsl_ddr_sdram.h index 5b03c14..095b33e 100644 --- a/include/fsl_ddr_sdram.h +++ b/include/fsl_ddr_sdram.h @@ -114,6 +114,7 @@ typedef struct ddr4_spd_eeprom_s generic_spd_eeprom_t; #define SDRAM_CFG_2T_EN 0x00008000 #define SDRAM_CFG_BI 0x00000001 +#define SDRAM_CFG2_FRC_SR 0x80000000 #define SDRAM_CFG2_D_INIT 0x00000010 #define SDRAM_CFG2_ODT_CFG_MASK 0x00600000 #define SDRAM_CFG2_ODT_NEVER 0 @@ -163,6 +164,7 @@ typedef struct ddr4_spd_eeprom_s generic_spd_eeprom_t; #define DDR_CDR1_ODT(x) ((x & DDR_CDR1_ODT_MASK) << DDR_CDR1_ODT_SHIFT) #define DDR_CDR2_ODT(x) (x & DDR_CDR2_ODT_MASK) #define DDR_CDR2_VREF_OVRD(x) (0x00008080 | ((((x) - 37) & 0x3F) << 8)) +#define DDR_CDR2_VREF_TRAIN_EN 0x00000080 #if (defined(CONFIG_SYS_FSL_DDR_VER) && \ (CONFIG_SYS_FSL_DDR_VER >= FSL_DDR_VER_4_7)) @@ -202,6 +204,8 @@ typedef struct ddr4_spd_eeprom_s generic_spd_eeprom_t; #define DDR_CDR_ODT_120ohm 0x6 #endif +#define DDR_INIT_ADDR_EXT_UIA (1 << 31) + /* Record of register values computed */ typedef struct fsl_ddr_cfg_regs_s { struct { @@ -414,9 +418,11 @@ static int __board_need_mem_reset(void) int board_need_mem_reset(void) __attribute__((weak, alias("__board_need_mem_reset"))); -void __weak board_mem_sleep_setup(void) -{ -} +#if defined(CONFIG_DEEP_SLEEP) +void board_mem_sleep_setup(void); +bool is_warm_boot(void); +int fsl_dp_resume(void); +#endif /* * The 85xx boards have a common prototype for fixed_sdram so put the -- 2.1.0.27.g96db324

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