[coreboot] [PATCH] [flashrom] ICH7 SPI support
Peter Stuge
peter at stuge.se
Fri Jun 27 17:54:02 CEST 2008
On Fri, Jun 27, 2008 at 05:44:51PM +0200, Stefan Reinauer wrote:
> * ICH7 SPI support
> * fix some variable names in ichspi.c (Offset -> offset)
> * Dump ICH7 SPI bar with -V
> * Improve error message in case IOPL goes wrong. (It might not even be an IOPL)
>
> Signed-off-by: Stefan Reinauer <stepan at coresystems.de>
Acked-by: Peter Stuge <peter at stuge.se>
> Index: flash.h
> ===================================================================
> --- flash.h (revision 3392)
> +++ flash.h (working copy)
> @@ -370,6 +370,7 @@
> /* chipset_enable.c */
> int chipset_flash_enable(void);
> void print_supported_chipsets(void);
> +extern int ich7_detected;
> extern int ich9_detected;
> extern void *ich_spibar;
>
> Index: spi.c
> ===================================================================
> --- spi.c (revision 3392)
> +++ spi.c (working copy)
> @@ -2,6 +2,7 @@
> * This file is part of the flashrom project.
> *
> * Copyright (C) 2007, 2008 Carl-Daniel Hailfinger
> + * Copyright (C) 2008 coresystems GmbH
> *
> * This program is free software; you can redistribute it and/or modify
> * it under the terms of the GNU General Public License as published by
> @@ -35,6 +36,8 @@
> {
> if (it8716f_flashport)
> return it8716f_spi_command(writecnt, readcnt, writearr, readarr);
> + else if (ich7_detected)
> + return ich_spi_command(writecnt, readcnt, writearr, readarr);
> else if (ich9_detected)
> return ich_spi_command(writecnt, readcnt, writearr, readarr);
> printf_debug("%s called, but no SPI chipset detected\n", __FUNCTION__);
> @@ -357,6 +360,8 @@
> {
> if (it8716f_flashport)
> return it8716f_spi_chip_read(flash, buf);
> + else if (ich7_detected)
> + return ich_spi_read(flash, buf);
> else if (ich9_detected)
> return ich_spi_read(flash, buf);
> printf_debug("%s called, but no SPI chipset detected\n", __FUNCTION__);
> @@ -367,6 +372,8 @@
> {
> if (it8716f_flashport)
> return it8716f_spi_chip_write(flash, buf);
> + else if (ich7_detected)
> + return ich_spi_write(flash, buf);
> else if (ich9_detected)
> return ich_spi_write(flash, buf);
> printf_debug("%s called, but no SPI chipset detected\n", __FUNCTION__);
> Index: chipset_enable.c
> ===================================================================
> --- chipset_enable.c (revision 3392)
> +++ chipset_enable.c (working copy)
> @@ -189,15 +189,16 @@
>
> static int enable_flash_ich_dc_spi(struct pci_dev *dev, const char *name, unsigned long spibar)
> {
> - uint8_t old, new, bbs;
> + uint8_t old, new, bbs, buc;
> uint32_t tmp, gcs;
> void *rcrb;
>
> /* Read the Root Complex Base Address Register (RCBA) */
> tmp = pci_read_long(dev, 0xf0);
> +
> /* Calculate the Root Complex Register Block address */
> tmp &= 0xffffc000;
> - printf_debug("Root Complex Register Block address = 0x%x\n", tmp);
> + printf_debug("\nRoot Complex Register Block address = 0x%x\n", tmp);
> rcrb = mmap(0, 0x4000, PROT_READ | PROT_WRITE, MAP_SHARED, fd_mem, (off_t)tmp);
> if (rcrb == MAP_FAILED) {
> perror("Can't mmap memory using " MEM_DEV);
> @@ -212,11 +213,42 @@
> printf_debug("BOOT BIOS Straps: 0x%x (%s)\n", bbs,
> (bbs == 0x3) ? "LPC" : ((bbs == 0x2) ? "PCI" : "SPI"));
>
> + buc = *(volatile uint8_t *)(rcrb + 0x3414);
> + printf_debug("Top Swap : %s\n", (buc & 1)?"enabled (A16 inverted)":"not enabled");
> +
> /* SPIBAR is at RCRB+0x3020 for ICH[78] and RCRB+0x3800 for ICH9. */
> - printf_debug("SPIBAR = 0x%lx\n", tmp + spibar);
> - /* TODO: Dump the SPI config regs */
> + printf_debug("SPIBAR = 0x%x + 0x%04x\n", tmp, (uint16_t)spibar);
> +
> + // Assign Virtual Address
> ich_spibar = rcrb + spibar;
>
> + if (ich7_detected) {
> + int i;
> + printf_debug("0x00: 0x%04x (SPIS)\n", *(uint16_t *)(ich_spibar + 0));
> + printf_debug("0x02: 0x%04x (SPIC)\n", *(uint16_t *)(ich_spibar + 2));
> + printf_debug("0x04: 0x%08x (SPIA)\n", *(uint32_t *)(ich_spibar + 4));
> + for (i=0; i < 8; i++) {
> + int offs;
> + offs = 8 + (i * 8);
> + printf_debug("0x%02x: 0x%08x (SPID%d)\n", offs, *(uint32_t *)(ich_spibar + offs), i);
> + printf_debug("0x%02x: 0x%08x (SPID%d+4)\n", offs+4, *(uint32_t *)(ich_spibar + offs +4), i);
> + }
> + printf_debug("0x50: 0x%08x (BBAR)\n", *(uint32_t *)(ich_spibar + 0x50));
> + printf_debug("0x54: 0x%04x (PREOP)\n", *(uint16_t *)(ich_spibar + 0x54));
> + printf_debug("0x56: 0x%04x (OPTYPE)\n", *(uint16_t *)(ich_spibar + 0x56));
> + printf_debug("0x58: 0x%08x (OPMENU)\n", *(uint32_t *)(ich_spibar + 0x58));
> + printf_debug("0x5c: 0x%08x (OPMENU+4)\n", *(uint32_t *)(ich_spibar + 0x5c));
> + for (i=0; i < 4; i++) {
> + int offs;
> + offs = 0x60 + (i * 4);
> + printf_debug("0x%02x: 0x%08x (PBR%d)\n", offs, *(uint32_t *)(ich_spibar + offs), i);
> + }
> + printf_debug("\n");
> + if ( (*(uint16_t *)ich_spibar) & (1 << 15)) {
> + printf("WARNING: SPI Configuration Lockdown activated.\n");
> + }
> + }
> +
> old = pci_read_byte(dev, 0xdc);
> printf_debug("SPI Read Configuration: ");
> new = (old >> 2) & 0x3;
> @@ -234,11 +266,16 @@
> return enable_flash_ich_dc(dev, name);
> }
>
> +/* Flag for ICH7 SPI register block */
> +int ich7_detected = 0;
> +
> static int enable_flash_ich7(struct pci_dev *dev, const char *name)
> {
> + ich7_detected = 1;
> return enable_flash_ich_dc_spi(dev, name, 0x3020);
> }
>
> +/* Flag for ICH8/ICH9 SPI register block */
> int ich9_detected = 0;
>
> static int enable_flash_ich8(struct pci_dev *dev, const char *name)
> Index: flashrom.c
> ===================================================================
> --- flashrom.c (revision 3392)
> +++ flashrom.c (working copy)
> @@ -378,7 +378,7 @@
> #else
> if (iopl(3) != 0) {
> #endif
> - fprintf(stderr, "ERROR: iopl failed: \"%s\"\n",
> + fprintf(stderr, "ERROR: Could not get IO privileges (%s).\nYou need to be root.\n",
> strerror(errno));
> exit(1);
> }
> Index: ichspi.c
> ===================================================================
> --- ichspi.c (revision 3392)
> +++ ichspi.c (working copy)
> @@ -4,6 +4,7 @@
> * Copyright (C) 2008 Stefan Wildemann <stefan.wildemann at kontron.com>
> * Copyright (C) 2008 Claus Gindhart <claus.gindhart at kontron.com>
> * Copyright (C) 2008 Dominik Geyer <dominik.geyer at kontron.com>
> + * Copyright (C) 2008 coresystems GmbH <info at coresystems.de>
> *
> * This program is free software; you can redistribute it and/or modify
> * it under the terms of the GNU General Public License as published by
> @@ -42,15 +43,17 @@
>
> #define MAXDATABYTES 0x40
>
> -/*ICH9 controller register definition*/
> -#define REG_FADDR 0x08 /* 32 Bits */
> -#define REG_FDATA0 0x10 /* 64 Bytes */
> -#define REG_SSFS 0x90 /* 08 Bits */
> +/* ICH9 controller register definition */
> +#define ICH9_REG_FADDR 0x08 /* 32 Bits */
> +#define ICH9_REG_FDATA0 0x10 /* 64 Bytes */
> +
> +#define ICH9_REG_SSFS 0x90 /* 08 Bits */
> #define SSFS_SCIP 0x00000001
> #define SSFS_CDS 0x00000004
> #define SSFS_FCERR 0x00000008
> #define SSFS_AEL 0x00000010
> -#define REG_SSFC 0x91 /* 24 Bits */
> +
> +#define ICH9_REG_SSFC 0x91 /* 24 Bits */
> #define SSFC_SCGO 0x00000200
> #define SSFC_ACS 0x00000400
> #define SSFC_SPOP 0x00000800
> @@ -61,16 +64,35 @@
> #define SSFC_SCF 0x01000000
> #define SSFC_SCF_20MHZ 0x00000000
> #define SSFC_SCF_33MHZ 0x01000000
> -#define REG_PREOP 0x94 /* 16 Bits */
> -#define REG_OPTYPE 0x96 /* 16 Bits */
> -#define REG_OPMENU 0x98 /* 64 BITS */
>
> +#define ICH9_REG_PREOP 0x94 /* 16 Bits */
> +#define ICH9_REG_OPTYPE 0x96 /* 16 Bits */
> +#define ICH9_REG_OPMENU 0x98 /* 64 Bits */
> +
> // ICH9R SPI commands
> #define SPI_OPCODE_TYPE_READ_NO_ADDRESS 0
> #define SPI_OPCODE_TYPE_WRITE_NO_ADDRESS 1
> #define SPI_OPCODE_TYPE_READ_WITH_ADDRESS 2
> #define SPI_OPCODE_TYPE_WRITE_WITH_ADDRESS 3
>
> +// ICH7 registers
> +#define ICH7_REG_SPIS 0x00 /* 16 Bits */
> +#define SPIS_SCIP 0x00000001
> +#define SPIS_CDS 0x00000004
> +#define SPIS_FCERR 0x00000008
> +
> +#define ICH7_REG_SPIC 0x02 /* 16 Bits */
> +#define SPIC_SCGO 0x0002
> +#define SPIC_ACS 0x0004
> +#define SPIC_SPOP 0x0008
> +#define SPIC_DS 0x4000
> +
> +#define ICH7_REG_SPIA 0x04 /* 32 Bits */
> +#define ICH7_REG_SPID0 0x08 /* 64 Bytes */
> +#define ICH7_REG_PREOP 0x54 /* 16 Bits */
> +#define ICH7_REG_OPTYPE 0x56 /* 16 Bits */
> +#define ICH7_REG_OPMENU 0x58 /* 64 Bits */
> +
> typedef struct _OPCODE {
> uint8_t opcode; //This commands spi opcode
> uint8_t spi_type; //This commands spi type
> @@ -101,10 +123,17 @@
> static inline uint32_t REGREAD32(int X)
> {
> volatile uint32_t regval;
> - regval = *(volatile uint32_t *)((uint8_t *) ich_spibar + X);
> + regval = *(volatile uint32_t *) ((uint8_t *) ich_spibar + X);
> return regval;
> }
>
> +static inline uint16_t REGREAD16(int X)
> +{
> + volatile uint16_t regval;
> + regval = *(volatile uint16_t *) ((uint8_t *) ich_spibar + X);
> + return regval;
> +}
> +
> #define REGWRITE32(X,Y) (*(uint32_t *)((uint8_t *)ich_spibar+X)=Y)
> #define REGWRITE16(X,Y) (*(uint16_t *)((uint8_t *)ich_spibar+X)=Y)
> #define REGWRITE8(X,Y) (*(uint8_t *)((uint8_t *)ich_spibar+X)=Y)
> @@ -114,9 +143,9 @@
> static int run_opcode(uint8_t nr, OPCODE op, uint32_t offset,
> uint8_t datalength, uint8_t * data);
> static int ich_spi_read_page(struct flashchip *flash, uint8_t * buf,
> - int Offset);
> + int offset);
> static int ich_spi_write_page(struct flashchip *flash, uint8_t * bytes,
> - int Offset);
> + int offset);
> static int ich_spi_erase_block(struct flashchip *flash, int offset);
>
> OPCODES O_ST_M25P = {
> @@ -147,37 +176,61 @@
> temp16 = (op->preop[0]);
> /* 8:16 Prefix Opcode 2 */
> temp16 |= ((uint16_t) op->preop[1]) << 8;
> - REGWRITE16(REG_PREOP, temp16);
> + if (ich7_detected) {
> + REGWRITE16(ICH7_REG_PREOP, temp16);
> + } else if (ich9_detected) {
> + REGWRITE16(ICH9_REG_PREOP, temp16);
> + }
>
> - /*Program Opcode Types 0 - 7 */
> + /* Program Opcode Types 0 - 7 */
> temp16 = 0;
> for (a = 0; a < 8; a++) {
> temp16 |= ((uint16_t) op->opcode[a].spi_type) << (a * 2);
> }
> - REGWRITE16(REG_OPTYPE, temp16);
>
> - /*Program Allowable Opcodes 0 - 3 */
> + if (ich7_detected) {
> + REGWRITE16(ICH7_REG_OPTYPE, temp16);
> + } else if (ich9_detected) {
> + REGWRITE16(ICH9_REG_OPTYPE, temp16);
> + }
> +
> +
> + /* Program Allowable Opcodes 0 - 3 */
> temp32 = 0;
> for (a = 0; a < 4; a++) {
> temp32 |= ((uint32_t) op->opcode[a].opcode) << (a * 8);
> }
> - REGWRITE32(REG_OPMENU, temp32);
>
> + if (ich7_detected) {
> + REGWRITE32(ICH7_REG_OPMENU, temp32);
> + } else if (ich9_detected) {
> + REGWRITE32(ICH9_REG_OPMENU, temp32);
> + }
> +
> +
> /*Program Allowable Opcodes 4 - 7 */
> temp32 = 0;
> for (a = 4; a < 8; a++) {
> - temp32 |= ((uint32_t) op->opcode[a].opcode) << ((a - 4) * 8);
> + temp32 |=
> + ((uint32_t) op->opcode[a].opcode) << ((a - 4) * 8);
> }
> - REGWRITE32(REG_OPMENU + 4, temp32);
>
> + if (ich7_detected) {
> + REGWRITE32(ICH7_REG_OPMENU + 4, temp32);
> + } else if (ich9_detected) {
> + REGWRITE32(ICH9_REG_OPMENU + 4, temp32);
> + }
> +
> return 0;
> }
>
> -int run_opcode(uint8_t nr, OPCODE op, uint32_t offset, uint8_t datalength,
> - uint8_t * data)
> +static int ich7_run_opcode(uint8_t nr, OPCODE op, uint32_t offset,
> + uint8_t datalength, uint8_t * data)
> {
> int write_cmd = 0;
> + int timeout;
> uint32_t temp32;
> + uint16_t temp16;
> uint32_t a;
>
> /* Is it a write command? */
> @@ -187,7 +240,7 @@
> }
>
> /* Programm Offset in Flash into FADDR */
> - REGWRITE32(REG_FADDR, (offset & 0x00FFFFFF)); /*SPI addresses are 24 BIT only */
> + REGWRITE32(ICH7_REG_SPIA, (offset & 0x00FFFFFF)); /* SPI addresses are 24 BIT only */
>
> /* Program data into FDATA0 to N */
> if (write_cmd && (datalength != 0)) {
> @@ -200,16 +253,119 @@
> temp32 |= ((uint32_t) data[a]) << ((a % 4) * 8);
>
> if ((a % 4) == 3) {
> - REGWRITE32(REG_FDATA0 + (a - (a % 4)), temp32);
> + REGWRITE32(ICH7_REG_SPID0 + (a - (a % 4)),
> + temp32);
> }
> }
> if (((a - 1) % 4) != 3) {
> - REGWRITE32(REG_FDATA0 + ((a - 1) - ((a - 1) % 4)),
> - temp32);
> + REGWRITE32(ICH7_REG_SPID0 +
> + ((a - 1) - ((a - 1) % 4)), temp32);
> }
>
> }
>
> + /* Assemble SPIS */
> + temp16 = 0;
> + /* clear error status registers */
> + temp16 |= (SPIS_CDS + SPIS_FCERR);
> + REGWRITE16(ICH7_REG_SPIS, temp16);
> +
> + /* Assemble SPIC */
> + temp16 = 0;
> +
> + if (datalength != 0) {
> + temp16 |= SPIC_DS;
> + temp16 |= ((uint16_t) ((datalength - 1) & 0x3f)) << 8;
> + }
> +
> + /* Select opcode */
> + temp16 |= ((uint16_t) (nr & 0x07)) << 4;
> +
> + /* Handle Atomic */
> + if (op.atomic != 0) {
> + /* Select atomic command */
> + temp16 |= SPIC_ACS;
> + /* Selct prefix opcode */
> + if ((op.atomic - 1) == 1) {
> + /*Select prefix opcode 2 */
> + temp16 |= SPIC_SPOP;
> + }
> + }
> +
> + /* Start */
> + temp16 |= SPIC_SCGO;
> +
> + /* write it */
> + REGWRITE16(ICH7_REG_SPIC, temp16);
> +
> + /* wait for cycle complete */
> + timeout = 1000 * 60; // 60s is a looong timeout.
> + while (((REGREAD16(ICH7_REG_SPIS) & SPIS_CDS) == 0) && --timeout) {
> + myusec_delay(1000);
> + }
> + if (!timeout) {
> + printf_debug("timeout\n");
> + }
> +
> + if ((REGREAD16(ICH7_REG_SPIS) & SPIS_FCERR) != 0) {
> + printf_debug("Transaction error!\n");
> + return 1;
> + }
> +
> + if ((!write_cmd) && (datalength != 0)) {
> + for (a = 0; a < datalength; a++) {
> + if ((a % 4) == 0) {
> + temp32 = REGREAD32(ICH7_REG_SPID0 + (a));
> + }
> +
> + data[a] =
> + (temp32 & (((uint32_t) 0xff) << ((a % 4) * 8)))
> + >> ((a % 4) * 8);
> + }
> + }
> +
> + return 0;
> +}
> +
> +
> +static int ich9_run_opcode(uint8_t nr, OPCODE op, uint32_t offset,
> + uint8_t datalength, uint8_t * data)
> +{
> + int write_cmd = 0;
> + uint32_t temp32;
> + uint32_t a;
> +
> + /* Is it a write command? */
> + if ((op.spi_type == SPI_OPCODE_TYPE_WRITE_NO_ADDRESS)
> + || (op.spi_type == SPI_OPCODE_TYPE_WRITE_WITH_ADDRESS)) {
> + write_cmd = 1;
> + }
> +
> + /* Programm Offset in Flash into FADDR */
> + REGWRITE32(ICH9_REG_FADDR, (offset & 0x00FFFFFF)); /* SPI addresses are 24 BIT only */
> +
> + /* Program data into FDATA0 to N */
> + if (write_cmd && (datalength != 0)) {
> + temp32 = 0;
> + for (a = 0; a < datalength; a++) {
> + if ((a % 4) == 0) {
> + temp32 = 0;
> + }
> +
> + temp32 |= ((uint32_t) data[a]) << ((a % 4) * 8);
> +
> + if ((a % 4) == 3) {
> + REGWRITE32(ICH9_REG_FDATA0 + (a - (a % 4)),
> + temp32);
> + }
> + }
> + if (((a - 1) % 4) != 3) {
> + REGWRITE32(ICH9_REG_FDATA0 +
> + ((a - 1) - ((a - 1) % 4)), temp32);
> + }
> +
> + }
> +
> /* Assemble SSFS + SSFC */
> temp32 = 0;
>
> @@ -243,15 +399,15 @@
> temp32 |= SSFC_SCGO;
>
> /* write it */
> - REGWRITE32(REG_SSFS, temp32);
> + REGWRITE32(ICH9_REG_SSFS, temp32);
>
> /*wait for cycle complete */
> - while ((REGREAD32(REG_SSFS) & SSFS_CDS) == 0) {
> + while ((REGREAD32(ICH9_REG_SSFS) & SSFS_CDS) == 0) {
> /*TODO; Do something that this can't lead into an endless loop. but some
> * commands may cause this to be last more than 30 seconds */
> }
>
> - if ((REGREAD32(REG_SSFS) & SSFS_FCERR) != 0) {
> + if ((REGREAD32(ICH9_REG_SSFS) & SSFS_FCERR) != 0) {
> printf_debug("Transaction error!\n");
> return 1;
> }
> @@ -259,21 +415,35 @@
> if ((!write_cmd) && (datalength != 0)) {
> for (a = 0; a < datalength; a++) {
> if ((a % 4) == 0) {
> - temp32 = REGREAD32(REG_FDATA0 + (a));
> + temp32 = REGREAD32(ICH9_REG_FDATA0 + (a));
> }
>
> data[a] =
> - (temp32 & (((uint32_t) 0xff) << ((a % 4) * 8))) >>
> - ((a % 4) * 8);
> + (temp32 & (((uint32_t) 0xff) << ((a % 4) * 8)))
> + >> ((a % 4) * 8);
> }
> }
>
> return 0;
> }
>
> +static int run_opcode(uint8_t nr, OPCODE op, uint32_t offset,
> + uint8_t datalength, uint8_t * data)
> +{
> + if (ich7_detected)
> + return ich7_run_opcode(nr, op, offset, datalength, data);
> + else if (ich9_detected) {
> + return ich9_run_opcode(nr, op, offset, datalength, data);
> + }
> +
> + /* If we ever get here, something really weird happened */
> + return -1;
> +}
> +
> static int ich_spi_erase_block(struct flashchip *flash, int offset)
> {
> - printf_debug("Spi_Erase,Offset=%d,sectors=%d\n", offset, 1);
> + printf_debug("ich_spi_erase_block: offset=%d, sectors=%d\n",
> + offset, 1);
>
> if (run_opcode(2, curopcodes->opcode[2], offset, 0, NULL) != 0) {
> printf_debug("Error erasing sector at 0x%x", offset);
> @@ -285,21 +455,21 @@
> return 0;
> }
>
> -static int ich_spi_read_page(struct flashchip *flash, uint8_t * buf, int Offset)
> +static int ich_spi_read_page(struct flashchip *flash, uint8_t * buf, int offset)
> {
> int page_size = flash->page_size;
> uint32_t remaining = flash->page_size;
> int a;
>
> - printf_debug("Spi_Read,Offset=%d,number=%d,buf=%p\n", Offset, page_size,
> - buf);
> + printf_debug("ich_spi_read_page: offset=%d, number=%d, buf=%p\n",
> + offset, page_size, buf);
>
> for (a = 0; a < page_size; a += MAXDATABYTES) {
> if (remaining < MAXDATABYTES) {
>
> if (run_opcode
> (1, curopcodes->opcode[1],
> - Offset + (page_size - remaining), remaining,
> + offset + (page_size - remaining), remaining,
> &buf[page_size - remaining]) != 0) {
> printf_debug("Error reading");
> return 1;
> @@ -308,7 +478,7 @@
> } else {
> if (run_opcode
> (1, curopcodes->opcode[1],
> - Offset + (page_size - remaining), MAXDATABYTES,
> + offset + (page_size - remaining), MAXDATABYTES,
> &buf[page_size - remaining]) != 0) {
> printf_debug("Error reading");
> return 1;
> @@ -321,20 +491,20 @@
> }
>
> static int ich_spi_write_page(struct flashchip *flash, uint8_t * bytes,
> - int Offset)
> + int offset)
> {
> int page_size = flash->page_size;
> uint32_t remaining = page_size;
> int a;
>
> - printf_debug("write_page_ichspi,Offset=%d,number=%d,buf=%p\n", Offset,
> - page_size, bytes);
> + printf_debug("ich_spi_write_page: offset=%d, number=%d, buf=%p\n",
> + offset, page_size, bytes);
>
> for (a = 0; a < page_size; a += MAXDATABYTES) {
> if (remaining < MAXDATABYTES) {
> if (run_opcode
> (0, curopcodes->opcode[0],
> - Offset + (page_size - remaining), remaining,
> + offset + (page_size - remaining), remaining,
> &bytes[page_size - remaining]) != 0) {
> printf_debug("Error writing");
> return 1;
> @@ -343,7 +513,7 @@
> } else {
> if (run_opcode
> (0, curopcodes->opcode[0],
> - Offset + (page_size - remaining), MAXDATABYTES,
> + offset + (page_size - remaining), MAXDATABYTES,
> &bytes[page_size - remaining]) != 0) {
> printf_debug("Error writing");
> return 1;
More information about the coreboot
mailing list