diff options
Diffstat (limited to 'drivers')
55 files changed, 1821 insertions, 505 deletions
diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c index e29b294..c348517 100644 --- a/drivers/hwmon/lm75.c +++ b/drivers/hwmon/lm75.c @@ -47,6 +47,19 @@ int dtt_read(int sensor, int reg) int dlen; uchar data[2]; +#ifdef CONFIG_DTT_AD7414 + /* + * On AD7414 the first value upon bootup is not read correctly. + * This is most likely because of the 800ms update time of the + * temp register in normal update mode. To get current values + * each time we issue the "dtt" command including upon powerup + * we switch into one-short mode. + * + * Issue one-shot mode command + */ + dtt_write(sensor, DTT_CONFIG, 0x64); +#endif + /* * Validate 'reg' param */ diff --git a/drivers/input/ps2ser.c b/drivers/input/ps2ser.c index 4e304f7..c1741ea 100644 --- a/drivers/input/ps2ser.c +++ b/drivers/input/ps2ser.c @@ -49,7 +49,8 @@ DECLARE_GLOBAL_DATA_PTR; #error CONFIG_PS2SERIAL must be in 1 ... 6 #endif -#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || defined(CONFIG_MPC8555) +#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || \ + defined(CONFIG_MPC8548) || defined(CONFIG_MPC8555) #if CONFIG_PS2SERIAL == 1 #define COM_BASE (CFG_CCSRBAR+0x4500) @@ -65,7 +66,9 @@ static int ps2ser_getc_hw(void); static void ps2ser_interrupt(void *dev_id); extern struct serial_state rs_table[]; /* in serial.c */ -#if !defined(CONFIG_MPC5xxx) && !defined(CONFIG_MPC8540) && !defined(CONFIG_MPC8541) && !defined(CONFIG_MPC8555) +#if !defined(CONFIG_MPC5xxx) && !defined(CONFIG_MPC8540) && \ + !defined(CONFIG_MPC8541) && !defined(CONFIG_MPC8548) && \ + !defined(CONFIG_MPC8555) static struct serial_state *state; #endif @@ -120,7 +123,8 @@ int ps2ser_init(void) return (0); } -#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || defined(CONFIG_MPC8555) +#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || \ + defined(CONFIG_MPC8548) || defined(CONFIG_MPC8555) int ps2ser_init(void) { NS16550_t com_port = (NS16550_t)COM_BASE; @@ -186,7 +190,8 @@ void ps2ser_putc(int chr) { #ifdef CONFIG_MPC5xxx volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE; -#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || defined(CONFIG_MPC8555) +#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || \ + defined(CONFIG_MPC8548) || defined(CONFIG_MPC8555) NS16550_t com_port = (NS16550_t)COM_BASE; #endif #ifdef DEBUG @@ -197,7 +202,8 @@ void ps2ser_putc(int chr) while (!(psc->psc_status & PSC_SR_TXRDY)); psc->psc_buffer_8 = chr; -#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || defined(CONFIG_MPC8555) +#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || \ + defined(CONFIG_MPC8548) || defined(CONFIG_MPC8555) while ((com_port->lsr & LSR_THRE) == 0); com_port->thr = chr; #else @@ -211,7 +217,8 @@ static int ps2ser_getc_hw(void) { #ifdef CONFIG_MPC5xxx volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE; -#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || defined(CONFIG_MPC8555) +#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || \ + defined(CONFIG_MPC8548) || defined(CONFIG_MPC8555) NS16550_t com_port = (NS16550_t)COM_BASE; #endif int res = -1; @@ -220,7 +227,8 @@ static int ps2ser_getc_hw(void) if (psc->psc_status & PSC_SR_RXRDY) { res = (psc->psc_buffer_8); } -#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || defined(CONFIG_MPC8555) +#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || \ + defined(CONFIG_MPC8548) || defined(CONFIG_MPC8555) if (com_port->lsr & LSR_DR) { res = com_port->rbr; } @@ -279,7 +287,8 @@ static void ps2ser_interrupt(void *dev_id) { #ifdef CONFIG_MPC5xxx volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE; -#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || defined(CONFIG_MPC8555) +#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || \ + defined(CONFIG_MPC8548) || defined(CONFIG_MPC8555) NS16550_t com_port = (NS16550_t)COM_BASE; #endif int chr; @@ -289,7 +298,8 @@ static void ps2ser_interrupt(void *dev_id) chr = ps2ser_getc_hw(); #ifdef CONFIG_MPC5xxx status = psc->psc_status; -#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || defined(CONFIG_MPC8555) +#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || \ + defined(CONFIG_MPC8548) || defined(CONFIG_MPC8555) status = com_port->lsr; #else status = ps2ser_in(UART_IIR); @@ -305,7 +315,8 @@ static void ps2ser_interrupt(void *dev_id) } #ifdef CONFIG_MPC5xxx } while (status & PSC_SR_RXRDY); -#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || defined(CONFIG_MPC8555) +#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || \ + defined(CONFIG_MPC8548) || defined(CONFIG_MPC8555) } while (status & LSR_DR); #else } while (status & UART_IIR_RDI); diff --git a/drivers/misc/fsl_law.c b/drivers/misc/fsl_law.c index dca6a4d..48ece4f 100644 --- a/drivers/misc/fsl_law.c +++ b/drivers/misc/fsl_law.c @@ -27,8 +27,22 @@ #include <asm/fsl_law.h> #include <asm/io.h> +DECLARE_GLOBAL_DATA_PTR; + #define LAWAR_EN 0x80000000 -#define FSL_HW_NUM_LAWS 10 /* number of LAWs in the hw implementation */ +/* number of LAWs in the hw implementation */ +#if defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || \ + defined(CONFIG_MPC8560) || defined(CONFIG_MPC8555) +#define FSL_HW_NUM_LAWS 8 +#elif defined(CONFIG_MPC8548) || defined(CONFIG_MPC8544) || \ + defined(CONFIG_MPC8568) || \ + defined(CONFIG_MPC8641) || defined(CONFIG_MPC8610) +#define FSL_HW_NUM_LAWS 10 +#elif defined(CONFIG_MPC8572) +#define FSL_HW_NUM_LAWS 12 +#else +#error FSL_HW_NUM_LAWS not defined for this platform +#endif void set_law(u8 idx, phys_addr_t addr, enum law_size sz, enum law_trgt_if id) { @@ -36,18 +50,53 @@ void set_law(u8 idx, phys_addr_t addr, enum law_size sz, enum law_trgt_if id) volatile u32 *lawbar = base + 8 * idx; volatile u32 *lawar = base + 8 * idx + 2; + gd->used_laws |= (1 << idx); + out_be32(lawbar, addr >> 12); out_be32(lawar, LAWAR_EN | ((u32)id << 20) | (u32)sz); return ; } +int set_next_law(phys_addr_t addr, enum law_size sz, enum law_trgt_if id) +{ + u32 idx = ffz(gd->used_laws); + + if (idx >= FSL_HW_NUM_LAWS) + return -1; + + set_law(idx, addr, sz, id); + + return idx; +} + +int set_last_law(phys_addr_t addr, enum law_size sz, enum law_trgt_if id) +{ + u32 idx; + + /* we have no LAWs free */ + if (gd->used_laws == -1) + return -1; + + /* grab the last free law */ + idx = __ilog2(~(gd->used_laws)); + + if (idx >= FSL_HW_NUM_LAWS) + return -1; + + set_law(idx, addr, sz, id); + + return idx; +} + void disable_law(u8 idx) { volatile u32 *base = (volatile u32 *)(CFG_IMMR + 0xc08); volatile u32 *lawbar = base + 8 * idx; volatile u32 *lawar = base + 8 * idx + 2; + gd->used_laws &= ~(1 << idx); + out_be32(lawar, 0); out_be32(lawbar, 0); @@ -75,14 +124,16 @@ void print_laws(void) void init_laws(void) { int i; - u8 law_idx = 0; - for (i = 0; i < num_law_entries; i++) { - if (law_table[i].index != -1) - law_idx = law_table[i].index; + gd->used_laws = ~((1 << FSL_HW_NUM_LAWS) - 1); - set_law(law_idx++, law_table[i].addr, - law_table[i].size, law_table[i].trgt_id); + for (i = 0; i < num_law_entries; i++) { + if (law_table[i].index == -1) + set_next_law(law_table[i].addr, law_table[i].size, + law_table[i].trgt_id); + else + set_law(law_table[i].index, law_table[i].addr, + law_table[i].size, law_table[i].trgt_id); } return ; diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c index a2d88ea..d505bc8 100644 --- a/drivers/mtd/cfi_flash.c +++ b/drivers/mtd/cfi_flash.c @@ -1745,6 +1745,8 @@ ulong flash_get_size (ulong base, int banknum) int erase_region_count; struct cfi_qry qry; + memset(&qry, 0, sizeof(qry)); + info->ext_addr = 0; info->cfi_version = 0; #ifdef CFG_FLASH_PROTECTION diff --git a/drivers/mtd/nand/fsl_upm.c b/drivers/mtd/nand/fsl_upm.c index 5cc410a..67ae9c8 100644 --- a/drivers/mtd/nand/fsl_upm.c +++ b/drivers/mtd/nand/fsl_upm.c @@ -20,112 +20,83 @@ #include <linux/mtd/fsl_upm.h> #include <nand.h> -#define FSL_UPM_MxMR_OP_NO (0 << 28) /* normal operation */ -#define FSL_UPM_MxMR_OP_WA (1 << 28) /* write array */ -#define FSL_UPM_MxMR_OP_RA (2 << 28) /* read array */ -#define FSL_UPM_MxMR_OP_RP (3 << 28) /* run pattern */ +static int fsl_upm_in_pattern; static void fsl_upm_start_pattern(struct fsl_upm *upm, u32 pat_offset) { - out_be32(upm->mxmr, FSL_UPM_MxMR_OP_RP | pat_offset); + clrsetbits_be32(upm->mxmr, MxMR_MAD_MSK, MxMR_OP_RUNP | pat_offset); } static void fsl_upm_end_pattern(struct fsl_upm *upm) { - out_be32(upm->mxmr, FSL_UPM_MxMR_OP_NO); - while (in_be32(upm->mxmr) != FSL_UPM_MxMR_OP_NO) + clrbits_be32(upm->mxmr, MxMR_OP_RUNP); + + while (in_be32(upm->mxmr) & MxMR_OP_RUNP) eieio(); } static void fsl_upm_run_pattern(struct fsl_upm *upm, int width, u32 cmd) { - out_be32(upm->mar, cmd << (32 - width * 8)); - out_8(upm->io_addr, 0x0); -} - -static void fsl_upm_setup(struct fsl_upm *upm) -{ - int i; - - /* write upm array */ - out_be32(upm->mxmr, FSL_UPM_MxMR_OP_WA); - - for (i = 0; i < 64; i++) { - out_be32(upm->mdr, upm->array[i]); + out_be32(upm->mar, cmd << (32 - width)); + switch (width) { + case 8: out_8(upm->io_addr, 0x0); + break; + case 16: + out_be16(upm->io_addr, 0x0); + break; + case 32: + out_be32(upm->io_addr, 0x0); + break; } - - /* normal operation */ - out_be32(upm->mxmr, FSL_UPM_MxMR_OP_NO); - while (in_be32(upm->mxmr) != FSL_UPM_MxMR_OP_NO) - eieio(); } -static void fun_cmdfunc(struct mtd_info *mtd, unsigned command, int column, - int page_addr) +static void nand_hwcontrol (struct mtd_info *mtd, int cmd) { struct nand_chip *chip = mtd->priv; struct fsl_upm_nand *fun = chip->priv; - fsl_upm_start_pattern(&fun->upm, fun->upm_cmd_offset); - - if (command == NAND_CMD_SEQIN) { - int readcmd; - - if (column >= mtd->oobblock) { - /* OOB area */ - column -= mtd->oobblock; - readcmd = NAND_CMD_READOOB; - } else if (column < 256) { - /* First 256 bytes --> READ0 */ - readcmd = NAND_CMD_READ0; - } else { - column -= 256; - readcmd = NAND_CMD_READ1; - } - fsl_upm_run_pattern(&fun->upm, fun->width, readcmd); + switch (cmd) { + case NAND_CTL_SETCLE: + fsl_upm_start_pattern(&fun->upm, fun->upm_cmd_offset); + fsl_upm_in_pattern++; + break; + case NAND_CTL_SETALE: + fsl_upm_start_pattern(&fun->upm, fun->upm_addr_offset); + fsl_upm_in_pattern++; + break; + case NAND_CTL_CLRCLE: + case NAND_CTL_CLRALE: + fsl_upm_end_pattern(&fun->upm); + fsl_upm_in_pattern--; + break; } +} - fsl_upm_run_pattern(&fun->upm, fun->width, command); - - fsl_upm_end_pattern(&fun->upm); - - fsl_upm_start_pattern(&fun->upm, fun->upm_addr_offset); - - if (column != -1) - fsl_upm_run_pattern(&fun->upm, fun->width, column); +static void nand_write_byte(struct mtd_info *mtd, u_char byte) +{ + struct nand_chip *chip = mtd->priv; - if (page_addr != -1) { - fsl_upm_run_pattern(&fun->upm, fun->width, page_addr); - fsl_upm_run_pattern(&fun->upm, fun->width, - (page_addr >> 8) & 0xFF); - if (chip->chipsize > (32 << 20)) { - fsl_upm_run_pattern(&fun->upm, fun->width, - (page_addr >> 16) & 0x0f); - } - } + if (fsl_upm_in_pattern) { + struct fsl_upm_nand *fun = chip->priv; - fsl_upm_end_pattern(&fun->upm); + fsl_upm_run_pattern(&fun->upm, fun->width, byte); - if (fun->wait_pattern) { /* * Some boards/chips needs this. At least on MPC8360E-RDK we * need it. Probably weird chip, because I don't see any need * for this on MPC8555E + Samsung K9F1G08U0A. Usually here are * 0-2 unexpected busy states per block read. */ - while (!fun->dev_ready()) - debug("unexpected busy state\n"); + if (fun->wait_pattern) { + while (!fun->dev_ready()) + debug("unexpected busy state\n"); + } + } else { + out_8(chip->IO_ADDR_W, byte); } } -static void nand_write_byte(struct mtd_info *mtd, u_char byte) -{ - struct nand_chip *chip = mtd->priv; - - out_8(chip->IO_ADDR_W, byte); -} - static u8 nand_read_byte(struct mtd_info *mtd) { struct nand_chip *chip = mtd->priv; @@ -164,10 +135,6 @@ static int nand_verify_buf(struct mtd_info *mtd, const u_char *buf, int len) return 0; } -static void nand_hwcontrol(struct mtd_info *mtd, int cmd) -{ -} - static int nand_dev_ready(struct mtd_info *mtd) { struct nand_chip *chip = mtd->priv; @@ -178,23 +145,20 @@ static int nand_dev_ready(struct mtd_info *mtd) int fsl_upm_nand_init(struct nand_chip *chip, struct fsl_upm_nand *fun) { - /* yet only 8 bit accessors implemented */ - if (fun->width != 1) + if (fun->width != 8 && fun->width != 16 && fun->width != 32) return -ENOSYS; - fsl_upm_setup(&fun->upm); - chip->priv = fun; chip->chip_delay = fun->chip_delay; chip->eccmode = NAND_ECC_SOFT; - chip->cmdfunc = fun_cmdfunc; chip->hwcontrol = nand_hwcontrol; chip->read_byte = nand_read_byte; chip->read_buf = nand_read_buf; chip->write_byte = nand_write_byte; chip->write_buf = nand_write_buf; chip->verify_buf = nand_verify_buf; - chip->dev_ready = nand_dev_ready; + if (fun->dev_ready) + chip->dev_ready = nand_dev_ready; return 0; } diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 5aef31c..740d3fc 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -113,18 +113,22 @@ static struct nand_oobinfo nand_oob_64 = { .oobfree = { {2, 38} } }; -/* This is used for padding purposes in nand_write_oob */ -static u_char ffchars[] = { - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, +static struct nand_oobinfo nand_oob_128 = { + .useecc = MTD_NANDECC_AUTOPLACE, + .eccbytes = 48, + .eccpos = { + 80, 81, 82, 83, 84, 85, 86, 87, + 88, 89, 90, 91, 92, 93, 94, 95, + 96, 97, 98, 99, 100, 101, 102, 103, + 104, 105, 106, 107, 108, 109, 110, 111, + 112, 113, 114, 115, 116, 117, 118, 119, + 120, 121, 122, 123, 124, 125, 126, 127}, + .oobfree = { {2, 78} } }; +/* This is used for padding purposes in nand_write_oob */ +static u_char *ffchars; + /* * NAND low-level MTD interface functions */ @@ -193,6 +197,10 @@ static void nand_release_device (struct mtd_info *mtd) { struct nand_chip *this = mtd->priv; this->select_chip(mtd, -1); /* De-select the NAND device */ + if (ffchars) { + kfree(ffchars); + ffchars = NULL; + } } #endif @@ -891,7 +899,7 @@ static int nand_write_page (struct mtd_info *mtd, struct nand_chip *this, int pa u_char *oob_buf, struct nand_oobinfo *oobsel, int cached) { int i, status; - u_char ecc_code[32]; + u_char ecc_code[NAND_MAX_OOBSIZE]; int eccmode = oobsel->useecc ? this->eccmode : NAND_ECC_NONE; uint *oob_config = oobsel->eccpos; int datidx = 0, eccidx = 0, eccsteps = this->eccsteps; @@ -1112,8 +1120,8 @@ static int nand_read_ecc (struct mtd_info *mtd, loff_t from, size_t len, int read = 0, oob = 0, ecc_status = 0, ecc_failed = 0; struct nand_chip *this = mtd->priv; u_char *data_poi, *oob_data = oob_buf; - u_char ecc_calc[32]; - u_char ecc_code[32]; + u_char ecc_calc[NAND_MAX_OOBSIZE]; + u_char ecc_code[NAND_MAX_OOBSIZE]; int eccmode, eccsteps; unsigned *oob_config; int datidx; @@ -1811,6 +1819,15 @@ static int nand_write_oob (struct mtd_info *mtd, loff_t to, size_t len, size_t * if (NAND_MUST_PAD(this)) { /* Write out desired data */ this->cmdfunc (mtd, NAND_CMD_SEQIN, mtd->oobblock, page & this->pagemask); + if (!ffchars) { + if (!(ffchars = kmalloc (mtd->oobsize, GFP_KERNEL))) { + DEBUG (MTD_DEBUG_LEVEL0, "nand_write_oob: " + "No memory for padding array, need %d bytes", mtd->oobsize); + ret = -ENOMEM; + goto out; + } + memset(ffchars, 0xff, mtd->oobsize); + } /* prepad 0xff for partial programming */ this->write_buf(mtd, ffchars, column); /* write data */ @@ -2479,6 +2496,9 @@ int nand_scan (struct mtd_info *mtd, int maxchips) case 64: this->autooob = &nand_oob_64; break; + case 128: + this->autooob = &nand_oob_128; + break; default: printk (KERN_WARNING "No oob scheme defined for oobsize %d\n", mtd->oobsize); diff --git a/drivers/mtd/nand/nand_util.c b/drivers/mtd/nand/nand_util.c index 6c5624a..c82f77b 100644 --- a/drivers/mtd/nand/nand_util.c +++ b/drivers/mtd/nand/nand_util.c @@ -153,6 +153,13 @@ int nand_erase_opts(nand_info_t *meminfo, const nand_erase_options_t *opts) priv_nand->bbt = NULL; } + if (erase_length < meminfo->erasesize) { + printf("Warning: Erase size 0x%08x smaller than one " \ + "erase block 0x%08x\n",erase_length, meminfo->erasesize); + printf(" Erasing 0x%08x instead\n", meminfo->erasesize); + erase_length = meminfo->erasesize; + } + for (; erase.addr < opts->offset + erase_length; erase.addr += meminfo->erasesize) { diff --git a/drivers/mtd/spi/Makefile b/drivers/mtd/spi/Makefile new file mode 100644 index 0000000..af6af97 --- /dev/null +++ b/drivers/mtd/spi/Makefile @@ -0,0 +1,47 @@ +# +# (C) Copyright 2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# 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 the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB := $(obj)libspi_flash.a + +COBJS-$(CONFIG_SPI_FLASH) += spi_flash.o +COBJS-$(CONFIG_SPI_FLASH_ATMEL) += atmel.o + +COBJS := $(COBJS-y) +SRCS := $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) + +all: $(LIB) + +$(LIB): $(obj).depend $(OBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/drivers/mtd/spi/atmel.c b/drivers/mtd/spi/atmel.c new file mode 100644 index 0000000..fb7a4a9 --- /dev/null +++ b/drivers/mtd/spi/atmel.c @@ -0,0 +1,362 @@ +/* + * Atmel SPI DataFlash support + * + * Copyright (C) 2008 Atmel Corporation + */ +#define DEBUG +#include <common.h> +#include <malloc.h> +#include <spi_flash.h> + +#include "spi_flash_internal.h" + +/* AT45-specific commands */ +#define CMD_AT45_READ_STATUS 0xd7 +#define CMD_AT45_ERASE_PAGE 0x81 +#define CMD_AT45_LOAD_PROG_BUF1 0x82 +#define CMD_AT45_LOAD_BUF1 0x84 +#define CMD_AT45_LOAD_PROG_BUF2 0x85 +#define CMD_AT45_LOAD_BUF2 0x87 +#define CMD_AT45_PROG_BUF1 0x88 +#define CMD_AT45_PROG_BUF2 0x89 + +/* AT45 status register bits */ +#define AT45_STATUS_P2_PAGE_SIZE (1 << 0) +#define AT45_STATUS_READY (1 << 7) + +/* DataFlash family IDs, as obtained from the second idcode byte */ +#define DF_FAMILY_AT26F 0 +#define DF_FAMILY_AT45 1 +#define DF_FAMILY_AT26DF 2 /* AT25DF and AT26DF */ + +struct atmel_spi_flash_params { + u8 idcode1; + /* Log2 of page size in power-of-two mode */ + u8 l2_page_size; + u8 pages_per_block; + u8 blocks_per_sector; + u8 nr_sectors; + const char *name; +}; + +struct atmel_spi_flash { + const struct atmel_spi_flash_params *params; + struct spi_flash flash; +}; + +static inline struct atmel_spi_flash * +to_atmel_spi_flash(struct spi_flash *flash) +{ + return container_of(flash, struct atmel_spi_flash, flash); +} + +static const struct atmel_spi_flash_params atmel_spi_flash_table[] = { + { + .idcode1 = 0x28, + .l2_page_size = 10, + .pages_per_block = 8, + .blocks_per_sector = 32, + .nr_sectors = 32, + .name = "AT45DB642D", + }, +}; + +static int at45_wait_ready(struct spi_flash *flash, unsigned long timeout) +{ + struct spi_slave *spi = flash->spi; + unsigned long timebase; + int ret; + u8 cmd = CMD_AT45_READ_STATUS; + u8 status; + + timebase = get_timer(0); + + ret = spi_xfer(spi, 8, &cmd, NULL, SPI_XFER_BEGIN); + if (ret) + return -1; + + do { + ret = spi_xfer(spi, 8, NULL, &status, 0); + if (ret) + return -1; + + if (status & AT45_STATUS_READY) + break; + } while (get_timer(timebase) < timeout); + + /* Deactivate CS */ + spi_xfer(spi, 0, NULL, NULL, SPI_XFER_END); + + if (status & AT45_STATUS_READY) + return 0; + + /* Timed out */ + return -1; +} + +/* + * Assemble the address part of a command for AT45 devices in + * non-power-of-two page size mode. + */ +static void at45_build_address(struct atmel_spi_flash *asf, u8 *cmd, u32 offset) +{ + unsigned long page_addr; + unsigned long byte_addr; + unsigned long page_size; + unsigned int page_shift; + + /* + * The "extra" space per page is the power-of-two page size + * divided by 32. + */ + page_shift = asf->params->l2_page_size; + page_size = (1 << page_shift) + (1 << (page_shift - 5)); + page_shift++; + page_addr = offset / page_size; + byte_addr = offset % page_size; + + cmd[0] = page_addr >> (16 - page_shift); + cmd[1] = page_addr << (page_shift - 8) | (byte_addr >> 8); + cmd[2] = byte_addr; +} + +static int dataflash_read_fast_p2(struct spi_flash *flash, + u32 offset, size_t len, void *buf) +{ + u8 cmd[5]; + + cmd[0] = CMD_READ_ARRAY_FAST; + cmd[1] = offset >> 16; + cmd[2] = offset >> 8; + cmd[3] = offset; + cmd[4] = 0x00; + + return spi_flash_read_common(flash, cmd, sizeof(cmd), buf, len); +} + +static int dataflash_read_fast_at45(struct spi_flash *flash, + u32 offset, size_t len, void *buf) +{ + struct atmel_spi_flash *asf = to_atmel_spi_flash(flash); + u8 cmd[5]; + + cmd[0] = CMD_READ_ARRAY_FAST; + at45_build_address(asf, cmd + 1, offset); + cmd[4] = 0x00; + + return spi_flash_read_common(flash, cmd, sizeof(cmd), buf, len); +} + +static int dataflash_write_at45(struct spi_flash *flash, + u32 offset, size_t len, const void *buf) +{ + struct atmel_spi_flash *asf = to_atmel_spi_flash(flash); + unsigned long page_addr; + unsigned long byte_addr; + unsigned long page_size; + unsigned int page_shift; + size_t chunk_len; + size_t actual; + int ret; + u8 cmd[4]; + + page_shift = asf->params->l2_page_size; + page_size = (1 << page_shift) + (1 << (page_shift - 5)); + page_shift++; + page_addr = offset / page_size; + byte_addr = offset % page_size; + + ret = spi_claim_bus(flash->spi); + if (ret) { + debug("SF: Unable to claim SPI bus\n"); + return ret; + } + + for (actual = 0; actual < len; actual += chunk_len) { + chunk_len = min(len - actual, page_size - byte_addr); + + /* Use the same address bits for both commands */ + cmd[0] = CMD_AT45_LOAD_BUF1; + cmd[1] = page_addr >> (16 - page_shift); + cmd[2] = page_addr << (page_shift - 8) | (byte_addr >> 8); + cmd[3] = byte_addr; + + ret = spi_flash_cmd_write(flash->spi, cmd, 4, + buf + actual, chunk_len); + if (ret < 0) { + debug("SF: Loading AT45 buffer failed\n"); + goto out; + } + + cmd[0] = CMD_AT45_PROG_BUF1; + ret = spi_flash_cmd_write(flash->spi, cmd, 4, NULL, 0); + if (ret < 0) { + debug("SF: AT45 page programming failed\n"); + goto out; + } + + ret = at45_wait_ready(flash, SPI_FLASH_PROG_TIMEOUT); + if (ret < 0) { + debug("SF: AT45 page programming timed out\n"); + goto out; + } + + page_addr++; + byte_addr = 0; + } + + debug("SF: AT45: Successfully programmed %u bytes @ 0x%x\n", + len, offset); + ret = 0; + +out: + spi_release_bus(flash->spi); + return ret; +} + +int dataflash_erase_at45(struct spi_flash *flash, u32 offset, size_t len) +{ + struct atmel_spi_flash *asf = to_atmel_spi_flash(flash); + unsigned long page_addr; + unsigned long page_size; + unsigned int page_shift; + size_t actual; + int ret; + u8 cmd[4]; + + /* + * TODO: This function currently uses page erase only. We can + * probably speed things up by using block and/or sector erase + * when possible. + */ + + page_shift = asf->params->l2_page_size; + page_size = (1 << page_shift) + (1 << (page_shift - 5)); + page_shift++; + page_addr = offset / page_size; + + if (offset % page_size || len % page_size) { + debug("SF: Erase offset/length not multiple of page size\n"); + return -1; + } + + cmd[0] = CMD_AT45_ERASE_PAGE; + cmd[3] = 0x00; + + ret = spi_claim_bus(flash->spi); + if (ret) { + debug("SF: Unable to claim SPI bus\n"); + return ret; + } + + for (actual = 0; actual < len; actual += page_size) { + cmd[1] = page_addr >> (16 - page_shift); + cmd[2] = page_addr << (page_shift - 8); + + ret = spi_flash_cmd_write(flash->spi, cmd, 4, NULL, 0); + if (ret < 0) { + debug("SF: AT45 page erase failed\n"); + goto out; + } + + ret = at45_wait_ready(flash, SPI_FLASH_PAGE_ERASE_TIMEOUT); + if (ret < 0) { + debug("SF: AT45 page erase timed out\n"); + goto out; + } + + page_addr++; + } + + debug("SF: AT45: Successfully erased %u bytes @ 0x%x\n", + len, offset); + ret = 0; + +out: + spi_release_bus(flash->spi); + return ret; +} + +struct spi_flash *spi_flash_probe_atmel(struct spi_slave *spi, u8 *idcode) +{ + const struct atmel_spi_flash_params *params; + unsigned long page_size; + unsigned int family; + struct atmel_spi_flash *asf; + unsigned int i; + int ret; + u8 status; + + for (i = 0; i < ARRAY_SIZE(atmel_spi_flash_table); i++) { + params = &atmel_spi_flash_table[i]; + if (params->idcode1 == idcode[1]) + break; + } + + if (i == ARRAY_SIZE(atmel_spi_flash_table)) { + debug("SF: Unsupported DataFlash ID %02x\n", + idcode[1]); + return NULL; + } + + asf = malloc(sizeof(struct atmel_spi_flash)); + if (!asf) { + debug("SF: Failed to allocate memory\n"); + return NULL; + } + + asf->params = params; + asf->flash.spi = spi; + asf->flash.name = params->name; + + /* Assuming power-of-two page size initially. */ + page_size = 1 << params->l2_page_size; + + family = idcode[1] >> 5; + + switch (family) { + case DF_FAMILY_AT45: + /* + * AT45 chips have configurable page size. The status + * register indicates which configuration is active. + */ + ret = spi_flash_cmd(spi, CMD_AT45_READ_STATUS, &status, 1); + if (ret) + goto err; + + debug("SF: AT45 status register: %02x\n", status); + + if (!(status & AT45_STATUS_P2_PAGE_SIZE)) { + asf->flash.read = dataflash_read_fast_at45; + asf->flash.write = dataflash_write_at45; + asf->flash.erase = dataflash_erase_at45; + page_size += 1 << (params->l2_page_size - 5); + } else { + asf->flash.read = dataflash_read_fast_p2; + } + + break; + + case DF_FAMILY_AT26F: + case DF_FAMILY_AT26DF: + asf->flash.read = dataflash_read_fast_p2; + break; + + default: + debug("SF: Unsupported DataFlash family %u\n", family); + goto err; + } + + asf->flash.size = page_size * params->pages_per_block + * params->blocks_per_sector + * params->nr_sectors; + + debug("SF: Detected %s with page size %u, total %u bytes\n", + params->name, page_size, asf->flash.size); + + return &asf->flash; + +err: + free(asf); + return NULL; +} diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c new file mode 100644 index 0000000..d581cb3 --- /dev/null +++ b/drivers/mtd/spi/spi_flash.c @@ -0,0 +1,162 @@ +/* + * SPI flash interface + * + * Copyright (C) 2008 Atmel Corporation + */ +#define DEBUG +#include <common.h> +#include <malloc.h> +#include <spi.h> +#include <spi_flash.h> + +#include "spi_flash_internal.h" + +int spi_flash_cmd(struct spi_slave *spi, u8 cmd, void *response, size_t len) +{ + unsigned long flags = SPI_XFER_BEGIN; + int ret; + + if (len == 0) + flags |= SPI_XFER_END; + + ret = spi_xfer(spi, 8, &cmd, NULL, flags); + if (ret) { + debug("SF: Failed to send command %02x: %d\n", cmd, ret); + return ret; + } + + if (len) { + ret = spi_xfer(spi, len * 8, NULL, response, SPI_XFER_END); + if (ret) + debug("SF: Failed to read response (%zu bytes): %d\n", + len, ret); + } + + return ret; +} + +int spi_flash_cmd_read(struct spi_slave *spi, const u8 *cmd, + size_t cmd_len, void *data, size_t data_len) +{ + unsigned long flags = SPI_XFER_BEGIN; + int ret; + + if (data_len == 0) + flags |= SPI_XFER_END; + + ret = spi_xfer(spi, cmd_len * 8, cmd, NULL, flags); + if (ret) { + debug("SF: Failed to send read command (%zu bytes): %d\n", + cmd_len, ret); + } else if (data_len != 0) { + ret = spi_xfer(spi, data_len * 8, NULL, data, SPI_XFER_END); + if (ret) + debug("SF: Failed to read %zu bytes of data: %d\n", + data_len, ret); + } + + return ret; +} + +int spi_flash_cmd_write(struct spi_slave *spi, const u8 *cmd, size_t cmd_len, + const void *data, size_t data_len) +{ + unsigned long flags = SPI_XFER_BEGIN; + int ret; + + if (data_len == 0) + flags |= SPI_XFER_END; + + ret = spi_xfer(spi, cmd_len * 8, cmd, NULL, flags); + if (ret) { + debug("SF: Failed to send read command (%zu bytes): %d\n", + cmd_len, ret); + } else if (data_len != 0) { + ret = spi_xfer(spi, data_len * 8, data, NULL, SPI_XFER_END); + if (ret) + debug("SF: Failed to read %zu bytes of data: %d\n", + data_len, ret); + } + + return ret; +} + + +int spi_flash_read_common(struct spi_flash *flash, const u8 *cmd, + size_t cmd_len, void *data, size_t data_len) +{ + struct spi_slave *spi = flash->spi; + int ret; + + spi_claim_bus(spi); + ret = spi_flash_cmd_read(spi, cmd, cmd_len, data, data_len); + spi_release_bus(spi); + + return ret; +} + +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; + int ret; + u8 idcode[3]; + + spi = spi_setup_slave(bus, cs, max_hz, spi_mode); + if (!spi) { + debug("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; + + debug("SF: Got idcode %02x %02x %02x\n", idcode[0], + idcode[1], idcode[2]); + + switch (idcode[0]) { +#ifdef CONFIG_SPI_FLASH_SPANSION + case 0x01: + flash = spi_flash_probe_spansion(spi, idcode); + break; +#endif +#ifdef CONFIG_SPI_FLASH_ATMEL + case 0x1F: + flash = spi_flash_probe_atmel(spi, idcode); + break; +#endif + default: + debug("SF: Unsupported manufacturer %02X\n", idcode[0]); + flash = NULL; + break; + } + + if (!flash) + goto err_manufacturer_probe; + + 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); +} diff --git a/drivers/mtd/spi/spi_flash_internal.h b/drivers/mtd/spi/spi_flash_internal.h new file mode 100644 index 0000000..1438050 --- /dev/null +++ b/drivers/mtd/spi/spi_flash_internal.h @@ -0,0 +1,45 @@ +/* + * SPI flash internal definitions + * + * Copyright (C) 2008 Atmel Corporation + */ + +/* Common parameters */ +#define SPI_FLASH_PROG_TIMEOUT ((10 * CFG_HZ) / 1000) +#define SPI_FLASH_PAGE_ERASE_TIMEOUT ((50 * CFG_HZ) / 1000) +#define SPI_FLASH_SECTOR_ERASE_TIMEOUT (10 * CFG_HZ) + +/* Common commands */ +#define CMD_READ_ID 0x9f + +#define CMD_READ_ARRAY_SLOW 0x03 +#define CMD_READ_ARRAY_FAST 0x0b +#define CMD_READ_ARRAY_LEGACY 0xe8 + +/* Send a single-byte command to the device and read the response */ +int spi_flash_cmd(struct spi_slave *spi, u8 cmd, void *response, size_t len); + +/* + * Send a multi-byte command to the device and read the response. Used + * for flash array reads, etc. + */ +int spi_flash_cmd_read(struct spi_slave *spi, const u8 *cmd, + size_t cmd_len, void *data, size_t data_len); + +/* + * Send a multi-byte command to the device followed by (optional) + * data. Used for programming the flash array, etc. + */ +int spi_flash_cmd_write(struct spi_slave *spi, const u8 *cmd, size_t cmd_len, + const void *data, size_t data_len); + +/* + * Same as spi_flash_cmd_read() except it also claims/releases the SPI + * bus. Used as common part of the ->read() operation. + */ +int spi_flash_read_common(struct spi_flash *flash, const u8 *cmd, + size_t cmd_len, void *data, size_t data_len); + +/* Manufacturer-specific probe functions */ +struct spi_flash *spi_flash_probe_spansion(struct spi_slave *spi, u8 *idcode); +struct spi_flash *spi_flash_probe_atmel(struct spi_slave *spi, u8 *idcode); diff --git a/drivers/net/3c589.c b/drivers/net/3c589.c index 3f1e770..0cf8dff 100644 --- a/drivers/net/3c589.c +++ b/drivers/net/3c589.c @@ -26,8 +26,6 @@ #include <command.h> #include <net.h> -#ifdef CONFIG_DRIVER_3C589 - #include "3c589.h" @@ -514,6 +512,3 @@ int eth_send(volatile void *packet, int length) { return length; } - - -#endif /* CONFIG_DRIVER_3C589 */ diff --git a/drivers/net/Makefile b/drivers/net/Makefile index 5b031c9..84be288 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -25,45 +25,45 @@ include $(TOPDIR)/config.mk LIB := $(obj)libnet.a -COBJS-y += 3c589.o -COBJS-y += bcm570x.o bcm570x_autoneg.o 5701rls.o +COBJS-$(CONFIG_DRIVER_3C589) += 3c589.o +COBJS-$(CONFIG_BCM570x) += bcm570x.o bcm570x_autoneg.o 5701rls.o COBJS-$(CONFIG_BFIN_MAC) += bfin_mac.o -COBJS-y += cs8900.o -COBJS-y += dc2114x.o -COBJS-y += dm9000x.o -COBJS-y += e1000.o -COBJS-y += eepro100.o -COBJS-y += enc28j60.o -COBJS-y += fsl_mcdmafec.o +COBJS-$(CONFIG_DRIVER_CS8900) += cs8900.o +COBJS-$(CONFIG_TULIP) += dc2114x.o +COBJS-$(CONFIG_DRIVER_DM9000) += dm9000x.o +COBJS-$(CONFIG_E1000) += e1000.o +COBJS-$(CONFIG_EEPRO100) += eepro100.o +COBJS-$(CONFIG_ENC28J60) += enc28j60.o +COBJS-$(CONFIG_FSLDMAFEC) += fsl_mcdmafec.o COBJS-$(CONFIG_GRETH) += greth.o -COBJS-y += inca-ip_sw.o -COBJS-y += ks8695eth.o -COBJS-y += lan91c96.o -COBJS-y += macb.o -COBJS-y += mcffec.o -COBJS-y += natsemi.o +COBJS-$(CONFIG_INCA_IP_SWITCH) += inca-ip_sw.o +COBJS-$(CONFIG_DRIVER_KS8695ETH) += ks8695eth.o +COBJS-$(CONFIG_DRIVER_LAN91C96) += lan91c96.o +COBJS-$(CONFIG_MACB) += macb.o +COBJS-$(CONFIG_MCFFEC) += mcffec.o +COBJS-$(CONFIG_NATSEMI) += natsemi.o ifeq ($(CONFIG_DRIVER_NE2000),y) COBJS-y += ne2000.o COBJS-$(CONFIG_DRIVER_AX88796L) += ax88796.o endif -COBJS-y += netarm_eth.o -COBJS-y += netconsole.o -COBJS-y += ns7520_eth.o -COBJS-y += ns8382x.o -COBJS-y += ns9750_eth.o -COBJS-y += pcnet.o -COBJS-y += plb2800_eth.o -COBJS-y += rtl8019.o -COBJS-y += rtl8139.o -COBJS-y += rtl8169.o -COBJS-y += s3c4510b_eth.o -COBJS-y += smc91111.o -COBJS-y += smc911x.o -COBJS-y += tigon3.o -COBJS-y += tsec.o -COBJS-y += tsi108_eth.o -COBJS-y += uli526x.o -COBJS-y += vsc7385.o +COBJS-$(CONFIG_DRIVER_NETARMETH) += netarm_eth.o +COBJS-$(CONFIG_NETCONSOLE) += netconsole.o +COBJS-$(CONFIG_DRIVER_NS7520_ETHERNET) += ns7520_eth.o +COBJS-$(CONFIG_NS8382X) += ns8382x.o +COBJS-$(CONFIG_DRIVER_NS9750_ETHERNET) += ns9750_eth.o +COBJS-$(CONFIG_PCNET) += pcnet.o +COBJS-$(CONFIG_PLB2800_ETHER) += plb2800_eth.o +COBJS-$(CONFIG_DRIVER_RTL8019) += rtl8019.o +COBJS-$(CONFIG_RTL8139) += rtl8139.o +COBJS-$(CONFIG_RTL8169) += rtl8169.o +COBJS-$(CONFIG_DRIVER_S3C4510_ETH) += s3c4510b_eth.o +COBJS-$(CONFIG_DRIVER_SMC91111) += smc91111.o +COBJS-$(CONFIG_DRIVER_SMC911X) += smc911x.o +COBJS-$(CONFIG_TIGON3) += tigon3.o bcm570x_autoneg.o 5701rls.o +COBJS-$(CONFIG_TSEC_ENET) += tsec.o +COBJS-$(CONFIG_TSI108_ETH) += tsi108_eth.o +COBJS-$(CONFIG_ULI526X) += uli526x.o +COBJS-$(CONFIG_VSC7385_ENET) += vsc7385.o COBJS-$(CONFIG_XILINX_EMAC) += xilinx_emac.o COBJS-$(CONFIG_XILINX_EMACLITE) += xilinx_emaclite.o diff --git a/drivers/net/bcm570x.c b/drivers/net/bcm570x.c index 5ad31d1..6b28b95 100644 --- a/drivers/net/bcm570x.c +++ b/drivers/net/bcm570x.c @@ -6,9 +6,6 @@ #include <common.h> -#if defined(CONFIG_CMD_NET) \ - && (!defined(CONFIG_NET_MULTI)) && defined(CONFIG_BCM570x) - #ifdef CONFIG_BMW #include <mpc824x.h> #endif @@ -1599,5 +1596,3 @@ PQQ_ENTRY QQ_GetTail (PQQ_CONTAINER pQueue, unsigned int Idx) return pQueue->Array[Idx]; } - -#endif diff --git a/drivers/net/cs8900.c b/drivers/net/cs8900.c index 458b517..ae1983a 100644 --- a/drivers/net/cs8900.c +++ b/drivers/net/cs8900.c @@ -41,10 +41,6 @@ #include "cs8900.h" #include <net.h> -#ifdef CONFIG_DRIVER_CS8900 - -#if defined(CONFIG_CMD_NET) - #undef DEBUG /* packet page register access functions */ @@ -315,7 +311,3 @@ int cs8900_e2prom_write(unsigned char addr, unsigned short value) return 0; } - -#endif /* CONFIG_CMD_NET */ - -#endif /* CONFIG_DRIVER_CS8900 */ diff --git a/drivers/net/dc2114x.c b/drivers/net/dc2114x.c index 1d728d8..8117239 100644 --- a/drivers/net/dc2114x.c +++ b/drivers/net/dc2114x.c @@ -19,10 +19,6 @@ */ #include <common.h> - -#if defined(CONFIG_CMD_NET) \ - && defined(CONFIG_NET_MULTI) && defined(CONFIG_TULIP) - #include <malloc.h> #include <net.h> #include <pci.h> @@ -766,5 +762,3 @@ static void update_srom(struct eth_device *dev, bd_t *bis) } } #endif /* UPDATE_SROM */ - -#endif diff --git a/drivers/net/dm9000x.c b/drivers/net/dm9000x.c index 01e2f14..844fb76 100644 --- a/drivers/net/dm9000x.c +++ b/drivers/net/dm9000x.c @@ -36,7 +36,24 @@ v1.2 03/18/2003 Weilun Huang <weilun_huang@davicom.com.tw>: -------------------------------------- - 12/15/2003 Initial port to u-boot by Sascha Hauer <saschahauer@web.de> + 12/15/2003 Initial port to u-boot by + Sascha Hauer <saschahauer@web.de> + + 06/03/2008 Remy Bohmer <linux@bohmer.net> + - Fixed the driver to work with DM9000A. + (check on ISR receive status bit before reading the + FIFO as described in DM9000 programming guide and + application notes) + - Added autodetect of databus width. + - Made debug code compile again. + - Adapt eth_send such that it matches the DM9000* + application notes. Needed to make it work properly + for DM9000A. + - Adapted reset procedure to match DM9000 application + notes (i.e. double reset) + - some minor code cleanups + These changes are tested with DM9000{A,EP,E} together + with a 200MHz Atmel AT91SAM92161 core TODO: Homerun NIC and longrun NIC are not functional, only internal at the moment. @@ -47,8 +64,6 @@ TODO: Homerun NIC and longrun NIC are not functional, only internal at the #include <net.h> #include <asm/io.h> -#ifdef CONFIG_DRIVER_DM9000 - #include "dm9000x.h" /* Board/System/Debug information/definition ---------------- */ @@ -59,10 +74,22 @@ TODO: Homerun NIC and longrun NIC are not functional, only internal at the /* #define CONFIG_DM9000_DEBUG */ #ifdef CONFIG_DM9000_DEBUG -#define DM9000_DBG(fmt,args...) printf(fmt ,##args) -#else /* */ +#define DM9000_DBG(fmt,args...) printf(fmt, ##args) +#define DM9000_DMP_PACKET(func,packet,length) \ + do { \ + int i; \ + printf(func ": length: %d\n", length); \ + for (i = 0; i < length; i++) { \ + if (i % 8 == 0) \ + printf("\n%s: %02x: ", func, i); \ + printf("%02x ", ((unsigned char *) packet)[i]); \ + } printf("\n"); \ + } while(0) +#else #define DM9000_DBG(fmt,args...) -#endif /* */ +#define DM9000_DMP_PACKET(func,packet,length) +#endif + enum DM9000_PHY_mode { DM9000_10MHD = 0, DM9000_100MHD = 1, DM9000_10MFD = 4, DM9000_100MFD = 5, DM9000_AUTO = 8, DM9000_1M_HPNA = 0x10 @@ -84,8 +111,11 @@ typedef struct board_info { u8 device_wait_reset; /* device state */ u8 nic_type; /* NIC type */ unsigned char srom[128]; + void (*outblk)(volatile void *data_ptr, int count); + void (*inblk)(void *data_ptr, int count); + void (*rx_status)(u16 *RxStatus, u16 *RxLen); } board_info_t; -board_info_t dmfe_info; +static board_info_t dm9000_info; /* For module input parameter */ static int media_mode = DM9000_AUTO; @@ -124,10 +154,85 @@ dump_regs(void) DM9000_DBG("TSRII (0x04): %02x\n", DM9000_ior(4)); DM9000_DBG("RCR (0x05): %02x\n", DM9000_ior(5)); DM9000_DBG("RSR (0x06): %02x\n", DM9000_ior(6)); - DM9000_DBG("ISR (0xFE): %02x\n", DM9000_ior(ISR)); + DM9000_DBG("ISR (0xFE): %02x\n", DM9000_ior(DM9000_ISR)); DM9000_DBG("\n"); } -#endif /* */ +#endif + +static void dm9000_outblk_8bit(volatile void *data_ptr, int count) +{ + int i; + for (i = 0; i < count; i++) + DM9000_outb((((u8 *) data_ptr)[i] & 0xff), DM9000_DATA); +} + +static void dm9000_outblk_16bit(volatile void *data_ptr, int count) +{ + int i; + u32 tmplen = (count + 1) / 2; + + for (i = 0; i < tmplen; i++) + DM9000_outw(((u16 *) data_ptr)[i], DM9000_DATA); +} +static void dm9000_outblk_32bit(volatile void *data_ptr, int count) +{ + int i; + u32 tmplen = (count + 3) / 4; + + for (i = 0; i < tmplen; i++) + DM9000_outl(((u32 *) data_ptr)[i], DM9000_DATA); +} + +static void dm9000_inblk_8bit(void *data_ptr, int count) +{ + int i; + for (i = 0; i < count; i++) + ((u8 *) data_ptr)[i] = DM9000_inb(DM9000_DATA); +} + +static void dm9000_inblk_16bit(void *data_ptr, int count) +{ + int i; + u32 tmplen = (count + 1) / 2; + + for (i = 0; i < tmplen; i++) + ((u16 *) data_ptr)[i] = DM9000_inw(DM9000_DATA); +} +static void dm9000_inblk_32bit(void *data_ptr, int count) +{ + int i; + u32 tmplen = (count + 3) / 4; + + for (i = 0; i < tmplen; i++) + ((u32 *) data_ptr)[i] = DM9000_inl(DM9000_DATA); +} + +static void dm9000_rx_status_32bit(u16 *RxStatus, u16 *RxLen) +{ + u32 tmpdata; + + DM9000_outb(DM9000_MRCMD, DM9000_IO); + + tmpdata = DM9000_inl(DM9000_DATA); + *RxStatus = tmpdata; + *RxLen = tmpdata >> 16; +} + +static void dm9000_rx_status_16bit(u16 *RxStatus, u16 *RxLen) +{ + DM9000_outb(DM9000_MRCMD, DM9000_IO); + + *RxStatus = DM9000_inw(DM9000_DATA); + *RxLen = DM9000_inw(DM9000_DATA); +} + +static void dm9000_rx_status_8bit(u16 *RxStatus, u16 *RxLen) +{ + DM9000_outb(DM9000_MRCMD, DM9000_IO); + + *RxStatus = DM9000_inb(DM9000_DATA) + (DM9000_inb(DM9000_DATA) << 8); + *RxLen = DM9000_inb(DM9000_DATA) + (DM9000_inb(DM9000_DATA) << 8); +} /* Search DM9000 board, allocate space and register it @@ -236,7 +341,7 @@ program_dm9802(void) static void identify_nic(void) { - struct board_info *db = &dmfe_info; /* Point a board information structure */ + struct board_info *db = &dm9000_info; u16 phy_reg3; DM9000_iow(DM9000_NCR, NCR_EXT_PHY); phy_reg3 = phy_read(3); @@ -263,9 +368,35 @@ identify_nic(void) static void dm9000_reset(void) { - DM9000_DBG("resetting\n"); - DM9000_iow(DM9000_NCR, NCR_RST); - udelay(1000); /* delay 1ms */ + DM9000_DBG("resetting DM9000\n"); + + /* Reset DM9000, + see DM9000 Application Notes V1.22 Jun 11, 2004 page 29 */ + + /* DEBUG: Make all GPIO pins outputs */ + DM9000_iow(DM9000_GPCR, 0x0F); + /* Step 1: Power internal PHY by writing 0 to GPIO0 pin */ + DM9000_iow(DM9000_GPR, 0); + /* Step 2: Software reset */ + DM9000_iow(DM9000_NCR, 3); + + do { + DM9000_DBG("resetting the DM9000, 1st reset\n"); + udelay(25); /* Wait at least 20 us */ + } while (DM9000_ior(DM9000_NCR) & 1); + + DM9000_iow(DM9000_NCR, 0); + DM9000_iow(DM9000_NCR, 3); /* Issue a second reset */ + + do { + DM9000_DBG("resetting the DM9000, 2nd reset\n"); + udelay(25); /* Wait at least 20 us */ + } while (DM9000_ior(DM9000_NCR) & 1); + + /* Check whether the ethernet controller is present */ + if ((DM9000_ior(DM9000_PIDL) != 0x0) || + (DM9000_ior(DM9000_PIDH) != 0x90)) + printf("ERROR: resetting DM9000 -> not responding\n"); } /* Initilize dm9000 board @@ -274,12 +405,46 @@ int eth_init(bd_t * bd) { int i, oft, lnk; + u8 io_mode; + struct board_info *db = &dm9000_info; + DM9000_DBG("eth_init()\n"); /* RESET device */ dm9000_reset(); dm9000_probe(); + /* Auto-detect 8/16/32 bit mode, ISR Bit 6+7 indicate bus width */ + io_mode = DM9000_ior(DM9000_ISR) >> 6; + + switch (io_mode) { + case 0x0: /* 16-bit mode */ + printf("DM9000: running in 16 bit mode\n"); + db->outblk = dm9000_outblk_16bit; + db->inblk = dm9000_inblk_16bit; + db->rx_status = dm9000_rx_status_16bit; + break; + case 0x01: /* 32-bit mode */ + printf("DM9000: running in 32 bit mode\n"); + db->outblk = dm9000_outblk_32bit; + db->inblk = dm9000_inblk_32bit; + db->rx_status = dm9000_rx_status_32bit; + break; + case 0x02: /* 8 bit mode */ + printf("DM9000: running in 8 bit mode\n"); + db->outblk = dm9000_outblk_8bit; + db->inblk = dm9000_inblk_8bit; + db->rx_status = dm9000_rx_status_8bit; + break; + default: + /* Assume 8 bit mode, will probably not work anyway */ + printf("DM9000: Undefined IO-mode:0x%x\n", io_mode); + db->outblk = dm9000_outblk_8bit; + db->inblk = dm9000_inblk_8bit; + db->rx_status = dm9000_rx_status_8bit; + break; + } + /* NIC Type: FASTETHER, HOMERUN, LONGRUN */ identify_nic(); @@ -289,19 +454,28 @@ eth_init(bd_t * bd) /* Set PHY */ set_PHY_mode(); - /* Program operating register */ - DM9000_iow(DM9000_NCR, 0x0); /* only intern phy supported by now */ - DM9000_iow(DM9000_TCR, 0); /* TX Polling clear */ - DM9000_iow(DM9000_BPTR, 0x3f); /* Less 3Kb, 200us */ - DM9000_iow(DM9000_FCTR, FCTR_HWOT(3) | FCTR_LWOT(8)); /* Flow Control : High/Low Water */ - DM9000_iow(DM9000_FCR, 0x0); /* SH FIXME: This looks strange! Flow Control */ - DM9000_iow(DM9000_SMCR, 0); /* Special Mode */ - DM9000_iow(DM9000_NSR, NSR_WAKEST | NSR_TX2END | NSR_TX1END); /* clear TX status */ - DM9000_iow(DM9000_ISR, 0x0f); /* Clear interrupt status */ + /* Program operating register, only intern phy supported by now */ + DM9000_iow(DM9000_NCR, 0x0); + /* TX Polling clear */ + DM9000_iow(DM9000_TCR, 0); + /* Less 3Kb, 200us */ + DM9000_iow(DM9000_BPTR, 0x3f); + /* Flow Control : High/Low Water */ + DM9000_iow(DM9000_FCTR, FCTR_HWOT(3) | FCTR_LWOT(8)); + /* SH FIXME: This looks strange! Flow Control */ + DM9000_iow(DM9000_FCR, 0x0); + /* Special Mode */ + DM9000_iow(DM9000_SMCR, 0); + /* clear TX status */ + DM9000_iow(DM9000_NSR, NSR_WAKEST | NSR_TX2END | NSR_TX1END); + /* Clear interrupt status */ + DM9000_iow(DM9000_ISR, 0x0f); /* Set Node address */ +#ifndef CONFIG_AT91SAM9261EK for (i = 0; i < 6; i++) ((u16 *) bd->bi_enetaddr)[i] = read_srom_word(i); +#endif if (is_zero_ether_addr(bd->bi_enetaddr) || is_multicast_ether_addr(bd->bi_enetaddr)) { @@ -331,8 +505,11 @@ eth_init(bd_t * bd) DM9000_DBG("\n"); /* Activate DM9000 */ - DM9000_iow(DM9000_RCR, RCR_DIS_LONG | RCR_DIS_CRC | RCR_RXEN); /* RX enable */ - DM9000_iow(DM9000_IMR, IMR_PAR); /* Enable TX/RX interrupt mask */ + /* RX enable */ + DM9000_iow(DM9000_RCR, RCR_DIS_LONG | RCR_DIS_CRC | RCR_RXEN); + /* Enable TX/RX interrupt mask */ + DM9000_iow(DM9000_IMR, IMR_PAR); + i = 0; while (!(phy_read(1) & 0x20)) { /* autonegation complete bit */ udelay(1000); @@ -374,54 +551,37 @@ eth_init(bd_t * bd) int eth_send(volatile void *packet, int length) { - char *data_ptr; - u32 tmplen, i; int tmo; - DM9000_DBG("eth_send: length: %d\n", length); - for (i = 0; i < length; i++) { - if (i % 8 == 0) - DM9000_DBG("\nSend: 02x: ", i); - DM9000_DBG("%02x ", ((unsigned char *) packet)[i]); - } DM9000_DBG("\n"); - - /* Move data to DM9000 TX RAM */ - data_ptr = (char *) packet; - DM9000_outb(DM9000_MWCMD, DM9000_IO); + struct board_info *db = &dm9000_info; -#ifdef CONFIG_DM9000_USE_8BIT - /* Byte mode */ - for (i = 0; i < length; i++) - DM9000_outb((data_ptr[i] & 0xff), DM9000_DATA); + DM9000_DMP_PACKET("eth_send", packet, length); -#endif /* */ -#ifdef CONFIG_DM9000_USE_16BIT - tmplen = (length + 1) / 2; - for (i = 0; i < tmplen; i++) - DM9000_outw(((u16 *) data_ptr)[i], DM9000_DATA); + DM9000_iow(DM9000_ISR, IMR_PTM); /* Clear Tx bit in ISR */ -#endif /* */ -#ifdef CONFIG_DM9000_USE_32BIT - tmplen = (length + 3) / 4; - for (i = 0; i < tmplen; i++) - DM9000_outl(((u32 *) data_ptr)[i], DM9000_DATA); + /* Move data to DM9000 TX RAM */ + DM9000_outb(DM9000_MWCMD, DM9000_IO); /* Prepare for TX-data */ -#endif /* */ + /* push the data to the TX-fifo */ + (db->outblk)(packet, length); /* Set TX length to DM9000 */ DM9000_iow(DM9000_TXPLL, length & 0xff); DM9000_iow(DM9000_TXPLH, (length >> 8) & 0xff); /* Issue TX polling command */ - DM9000_iow(DM9000_TCR, TCR_TXREQ); /* Cleared after TX complete */ + DM9000_iow(DM9000_TCR, TCR_TXREQ); /* Cleared after TX complete */ /* wait for end of transmission */ tmo = get_timer(0) + 5 * CFG_HZ; - while (DM9000_ior(DM9000_TCR) & TCR_TXREQ) { + while ( !(DM9000_ior(DM9000_NSR) & (NSR_TX1END | NSR_TX2END)) || + !(DM9000_ior(DM9000_ISR) & IMR_PTM) ) { if (get_timer(0) >= tmo) { printf("transmission timeout\n"); break; } } + DM9000_iow(DM9000_ISR, IMR_PTM); /* Clear Tx bit in ISR */ + DM9000_DBG("transmit done\n\n"); return 0; } @@ -450,86 +610,67 @@ eth_rx(void) { u8 rxbyte, *rdptr = (u8 *) NetRxPackets[0]; u16 RxStatus, RxLen = 0; - u32 tmplen, i; -#ifdef CONFIG_DM9000_USE_32BIT - u32 tmpdata; -#endif + struct board_info *db = &dm9000_info; - /* Check packet ready or not */ - DM9000_ior(DM9000_MRCMDX); /* Dummy read */ - rxbyte = DM9000_inb(DM9000_DATA); /* Got most updated data */ - if (rxbyte == 0) + /* Check packet ready or not, we must check + the ISR status first for DM9000A */ + if (!(DM9000_ior(DM9000_ISR) & 0x01)) /* Rx-ISR bit must be set. */ return 0; - /* Status check: this byte must be 0 or 1 */ - if (rxbyte > 1) { - DM9000_iow(DM9000_RCR, 0x00); /* Stop Device */ - DM9000_iow(DM9000_ISR, 0x80); /* Stop INT request */ - DM9000_DBG("rx status check: %d\n", rxbyte); - } - DM9000_DBG("receiving packet\n"); - - /* A packet ready now & Get status/length */ - DM9000_outb(DM9000_MRCMD, DM9000_IO); + DM9000_iow(DM9000_ISR, 0x01); /* clear PR status latched in bit 0 */ -#ifdef CONFIG_DM9000_USE_8BIT - RxStatus = DM9000_inb(DM9000_DATA) + (DM9000_inb(DM9000_DATA) << 8); - RxLen = DM9000_inb(DM9000_DATA) + (DM9000_inb(DM9000_DATA) << 8); - -#endif /* */ -#ifdef CONFIG_DM9000_USE_16BIT - RxStatus = DM9000_inw(DM9000_DATA); - RxLen = DM9000_inw(DM9000_DATA); - -#endif /* */ -#ifdef CONFIG_DM9000_USE_32BIT - tmpdata = DM9000_inl(DM9000_DATA); - RxStatus = tmpdata; - RxLen = tmpdata >> 16; + /* There is _at least_ 1 package in the fifo, read them all */ + for (;;) { + DM9000_ior(DM9000_MRCMDX); /* Dummy read */ -#endif /* */ - DM9000_DBG("rx status: 0x%04x rx len: %d\n", RxStatus, RxLen); + /* Get most updated data, + only look at bits 0:1, See application notes DM9000 */ + rxbyte = DM9000_inb(DM9000_DATA) & 0x03; - /* Move data from DM9000 */ - /* Read received packet from RX SRAM */ -#ifdef CONFIG_DM9000_USE_8BIT - for (i = 0; i < RxLen; i++) - rdptr[i] = DM9000_inb(DM9000_DATA); - -#endif /* */ -#ifdef CONFIG_DM9000_USE_16BIT - tmplen = (RxLen + 1) / 2; - for (i = 0; i < tmplen; i++) - ((u16 *) rdptr)[i] = DM9000_inw(DM9000_DATA); + /* Status check: this byte must be 0 or 1 */ + if (rxbyte > DM9000_PKT_RDY) { + DM9000_iow(DM9000_RCR, 0x00); /* Stop Device */ + DM9000_iow(DM9000_ISR, 0x80); /* Stop INT request */ + printf("DM9000 error: status check fail: 0x%x\n", + rxbyte); + return 0; + } -#endif /* */ -#ifdef CONFIG_DM9000_USE_32BIT - tmplen = (RxLen + 3) / 4; - for (i = 0; i < tmplen; i++) - ((u32 *) rdptr)[i] = DM9000_inl(DM9000_DATA); + if (rxbyte != DM9000_PKT_RDY) + return 0; /* No packet received, ignore */ + + DM9000_DBG("receiving packet\n"); + + /* A packet ready now & Get status/length */ + (db->rx_status)(&RxStatus, &RxLen); + + DM9000_DBG("rx status: 0x%04x rx len: %d\n", RxStatus, RxLen); + + /* Move data from DM9000 */ + /* Read received packet from RX SRAM */ + (db->inblk)(rdptr, RxLen); + + if ((RxStatus & 0xbf00) || (RxLen < 0x40) + || (RxLen > DM9000_PKT_MAX)) { + if (RxStatus & 0x100) { + printf("rx fifo error\n"); + } + if (RxStatus & 0x200) { + printf("rx crc error\n"); + } + if (RxStatus & 0x8000) { + printf("rx length error\n"); + } + if (RxLen > DM9000_PKT_MAX) { + printf("rx length too big\n"); + dm9000_reset(); + } + } else { + DM9000_DMP_PACKET("eth_rx", rdptr, RxLen); -#endif /* */ - if ((RxStatus & 0xbf00) || (RxLen < 0x40) - || (RxLen > DM9000_PKT_MAX)) { - if (RxStatus & 0x100) { - printf("rx fifo error\n"); + DM9000_DBG("passing packet to upper layer\n"); + NetReceive(NetRxPackets[0], RxLen); } - if (RxStatus & 0x200) { - printf("rx crc error\n"); - } - if (RxStatus & 0x8000) { - printf("rx length error\n"); - } - if (RxLen > DM9000_PKT_MAX) { - printf("rx length too big\n"); - dm9000_reset(); - } - } else { - - /* Pass to upper layer */ - DM9000_DBG("passing packet to upper layer\n"); - NetReceive(NetRxPackets[0], RxLen); - return RxLen; } return 0; } @@ -590,12 +731,12 @@ phy_read(int reg) /* Fill the phyxcer register into REG_0C */ DM9000_iow(DM9000_EPAR, DM9000_PHY | reg); DM9000_iow(DM9000_EPCR, 0xc); /* Issue phyxcer read command */ - udelay(100); /* Wait read complete */ + udelay(100); /* Wait read complete */ DM9000_iow(DM9000_EPCR, 0x0); /* Clear phyxcer read command */ val = (DM9000_ior(DM9000_EPDRH) << 8) | DM9000_ior(DM9000_EPDRL); /* The read data keeps on REG_0D & REG_0E */ - DM9000_DBG("phy_read(%d): %d\n", reg, val); + DM9000_DBG("phy_read(0x%x): 0x%x\n", reg, val); return val; } @@ -613,8 +754,7 @@ phy_write(int reg, u16 value) DM9000_iow(DM9000_EPDRL, (value & 0xff)); DM9000_iow(DM9000_EPDRH, ((value >> 8) & 0xff)); DM9000_iow(DM9000_EPCR, 0xa); /* Issue phyxcer write command */ - udelay(500); /* Wait write complete */ + udelay(500); /* Wait write complete */ DM9000_iow(DM9000_EPCR, 0x0); /* Clear phyxcer write command */ - DM9000_DBG("phy_write(reg:%d, value:%d)\n", reg, value); + DM9000_DBG("phy_write(reg:0x%x, value:0x%x)\n", reg, value); } -#endif /* CONFIG_DRIVER_DM9000 */ diff --git a/drivers/net/e1000.c b/drivers/net/e1000.c index c53c226..c31029a 100644 --- a/drivers/net/e1000.c +++ b/drivers/net/e1000.c @@ -44,9 +44,6 @@ tested on both gig copper and gig fiber boards #include "e1000.h" -#if defined(CONFIG_CMD_NET) \ - && defined(CONFIG_NET_MULTI) && defined(CONFIG_E1000) - #define TOUT_LOOP 100000 #undef virt_to_bus @@ -83,6 +80,7 @@ static struct pci_device_id supported[] = { {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82546EB_FIBER}, {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82540EM_LOM}, {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82541ER}, + {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82541GI_LF}, }; /* Function forward declarations */ @@ -646,6 +644,7 @@ e1000_set_mac_type(struct e1000_hw *hw) hw->mac_type = e1000_82546; break; case E1000_DEV_ID_82541ER: + case E1000_DEV_ID_82541GI_LF: hw->mac_type = e1000_82541_rev_2; break; default: @@ -3059,5 +3058,3 @@ e1000_initialize(bd_t * bis) } return 1; } - -#endif diff --git a/drivers/net/e1000.h b/drivers/net/e1000.h index 851467d..23b2eb9 100644 --- a/drivers/net/e1000.h +++ b/drivers/net/e1000.h @@ -222,7 +222,8 @@ struct e1000_phy_stats { #define E1000_DEV_ID_82546EB_COPPER 0x1010 #define E1000_DEV_ID_82546EB_FIBER 0x1012 #define E1000_DEV_ID_82541ER 0x1078 -#define NUM_DEV_IDS 14 +#define E1000_DEV_ID_82541GI_LF 0x107C +#define NUM_DEV_IDS 15 #define NODE_ADDRESS_SIZE 6 #define ETH_LENGTH_OF_ADDRESS 6 diff --git a/drivers/net/eepro100.c b/drivers/net/eepro100.c index 96ed271..9de0fb5 100644 --- a/drivers/net/eepro100.c +++ b/drivers/net/eepro100.c @@ -30,9 +30,6 @@ #undef DEBUG -#if defined(CONFIG_CMD_NET) \ - && defined(CONFIG_NET_MULTI) && defined(CONFIG_EEPRO100) - /* Ethernet chip registers. */ #define SCBStatus 0 /* Rx/Command Unit Status *Word* */ @@ -944,5 +941,3 @@ static void read_hw_addr (struct eth_device *dev, bd_t * bis) #endif } } - -#endif diff --git a/drivers/net/enc28j60.c b/drivers/net/enc28j60.c index 98303ac..5c24b0d 100644 --- a/drivers/net/enc28j60.c +++ b/drivers/net/enc28j60.c @@ -17,7 +17,6 @@ #include <config.h> #include <common.h> -#ifdef CONFIG_ENC28J60 #include <net.h> #include <asm/arch/hardware.h> #include <asm/arch/spi.h> @@ -979,5 +978,3 @@ static void phyWrite(unsigned char addr, unsigned short data) } } } - -#endif /* CONFIG_ENC28J60 */ diff --git a/drivers/net/fsl_mcdmafec.c b/drivers/net/fsl_mcdmafec.c index 2ef91f2..f2bdba6 100644 --- a/drivers/net/fsl_mcdmafec.c +++ b/drivers/net/fsl_mcdmafec.c @@ -31,7 +31,6 @@ #include <net.h> #include <miiphy.h> -#ifdef CONFIG_FSLDMAFEC #undef ET_DEBUG #undef MII_DEBUG @@ -49,7 +48,6 @@ #define BD_ENET_RX_ERR (BD_ENET_RX_LG | BD_ENET_RX_NO | BD_ENET_RX_CR | \ BD_ENET_RX_OV | BD_ENET_RX_TR) -#if defined(CONFIG_CMD_NET) && defined(CONFIG_NET_MULTI) #include <asm/immap.h> #include <asm/fsl_mcdmafec.h> @@ -586,6 +584,3 @@ int mcdmafec_initialize(bd_t * bis) return 1; } - -#endif /* CONFIG_CMD_NET && CONFIG_NET_MULTI */ -#endif /* CONFIG_FSLDMAFEC */ diff --git a/drivers/net/inca-ip_sw.c b/drivers/net/inca-ip_sw.c index e4aaed6..ffdd1f3 100644 --- a/drivers/net/inca-ip_sw.c +++ b/drivers/net/inca-ip_sw.c @@ -26,9 +26,6 @@ #include <common.h> -#if defined(CONFIG_CMD_NET) \ - && defined(CONFIG_NET_MULTI) && defined(CONFIG_INCA_IP_SWITCH) - #include <malloc.h> #include <net.h> #include <asm/inca-ip.h> @@ -813,5 +810,3 @@ Fail: return -1; } #endif /* CONFIG_INCA_IP_SWITCH_AMDIX */ - -#endif diff --git a/drivers/net/ks8695eth.c b/drivers/net/ks8695eth.c index b598dd7..7f3e0c2 100644 --- a/drivers/net/ks8695eth.c +++ b/drivers/net/ks8695eth.c @@ -21,8 +21,6 @@ /****************************************************************************/ #include <common.h> - -#ifdef CONFIG_DRIVER_KS8695ETH #include <malloc.h> #include <net.h> #include <asm/io.h> @@ -234,5 +232,3 @@ int eth_send(volatile void *packet, int len) return len; } - -#endif /* CONFIG_DRIVER_KS8695ETH */ diff --git a/drivers/net/lan91c96.c b/drivers/net/lan91c96.c index 51cfb7e..c23a400 100644 --- a/drivers/net/lan91c96.c +++ b/drivers/net/lan91c96.c @@ -63,10 +63,6 @@ #include "lan91c96.h" #include <net.h> -#ifdef CONFIG_DRIVER_LAN91C96 - -#if defined(CONFIG_CMD_NET) - /*------------------------------------------------------------------------ * * Configuration options, for the experienced user to change. @@ -865,9 +861,6 @@ static int smc_hw_init () } #endif /* 0 */ -#endif /* CONFIG_CMD_NET */ - - /* smc_get_ethaddr (bd_t * bd) * * This checks both the environment and the ROM for an ethernet address. If @@ -963,5 +956,3 @@ int get_rom_mac (unsigned char *v_rom_mac) return (1); #endif } - -#endif /* CONFIG_DRIVER_LAN91C96 */ diff --git a/drivers/net/macb.c b/drivers/net/macb.c index 703784e..aa39284 100644 --- a/drivers/net/macb.c +++ b/drivers/net/macb.c @@ -17,9 +17,6 @@ */ #include <common.h> -#if defined(CONFIG_MACB) \ - && (defined(CONFIG_CMD_NET) || defined(CONFIG_CMD_MII)) - /* * The u-boot networking stack is a little weird. It seems like the * networking core allocates receive buffers up front without any @@ -417,13 +414,15 @@ static int macb_init(struct eth_device *netdev, bd_t *bd) /* choose RMII or MII mode. This depends on the board */ #ifdef CONFIG_RMII -#if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260) +#if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260) || \ + defined(CONFIG_AT91SAM9263) macb_writel(macb, USRIO, MACB_BIT(RMII) | MACB_BIT(CLKEN)); #else macb_writel(macb, USRIO, 0); #endif #else -#if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260) +#if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260) || \ + defined(CONFIG_AT91SAM9263) macb_writel(macb, USRIO, MACB_BIT(CLKEN)); #else macb_writel(macb, USRIO, MACB_BIT(MII)); @@ -591,5 +590,3 @@ int miiphy_write(unsigned char addr, unsigned char reg, unsigned short value) } #endif - -#endif /* CONFIG_MACB */ diff --git a/drivers/net/mcffec.c b/drivers/net/mcffec.c index 5ab4726..58ed5e3 100644 --- a/drivers/net/mcffec.c +++ b/drivers/net/mcffec.c @@ -27,8 +27,6 @@ #include <common.h> #include <malloc.h> -#ifdef CONFIG_MCFFEC - #include <asm/fec.h> #include <asm/immap.h> @@ -51,8 +49,6 @@ DECLARE_GLOBAL_DATA_PTR; -#if defined(CONFIG_CMD_NET) && defined(CONFIG_NET_MULTI) - struct fec_info_s fec_info[] = { #ifdef CFG_FEC0_IOBASE { @@ -125,11 +121,17 @@ void setFecDuplexSpeed(volatile fec_t * fecp, bd_t * bd, int dup_spd) } if ((dup_spd & 0xFFFF) == _100BASET) { +#ifdef CONFIG_MCF5445x + fecp->rcr &= ~0x200; /* disabled 10T base */ +#endif #ifdef MII_DEBUG printf("100Mbps\n"); #endif bd->bi_ethspeed = 100; } else { +#ifdef CONFIG_MCF5445x + fecp->rcr |= 0x200; /* enabled 10T base */ +#endif #ifdef MII_DEBUG printf("10Mbps\n"); #endif @@ -599,6 +601,3 @@ int mcffec_initialize(bd_t * bis) return 1; } - -#endif /* CONFIG_CMD_NET, FEC_ENET & NET_MULTI */ -#endif /* CONFIG_MCFFEC */ diff --git a/drivers/net/natsemi.c b/drivers/net/natsemi.c index a523959..4aee048 100644 --- a/drivers/net/natsemi.c +++ b/drivers/net/natsemi.c @@ -56,9 +56,6 @@ #include <asm/io.h> #include <pci.h> -#if defined(CONFIG_CMD_NET) \ - && defined(CONFIG_NET_MULTI) && defined(CONFIG_NATSEMI) - /* defines */ #define EEPROM_SIZE 0xb /*12 16-bit chunks, or 24 bytes*/ @@ -878,5 +875,3 @@ natsemi_disable(struct eth_device *dev) /* Restore PME enable bit */ OUTL(dev, SavedClkRun, ClkRun); } - -#endif diff --git a/drivers/net/netarm_eth.c b/drivers/net/netarm_eth.c index ecf45dc..c011809 100644 --- a/drivers/net/netarm_eth.c +++ b/drivers/net/netarm_eth.c @@ -22,15 +22,11 @@ #include <common.h> - -#ifdef CONFIG_DRIVER_NETARMETH #include <command.h> #include <net.h> #include "netarm_eth.h" #include <asm/arch/netarm_registers.h> -#if defined(CONFIG_CMD_NET) - static int na_mii_poll_busy (void); static void na_get_mac_addr (void) @@ -352,7 +348,3 @@ extern int eth_send (volatile void *packet, int length) printf ("eth_send timeout\n"); return 1; } - -#endif /* CONFIG_CMD_NET */ - -#endif /* CONFIG_DRIVER_NETARMETH */ diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c index 69089f9..b2ee5ea 100644 --- a/drivers/net/netconsole.c +++ b/drivers/net/netconsole.c @@ -22,9 +22,6 @@ */ #include <common.h> - -#ifdef CONFIG_NETCONSOLE - #include <command.h> #include <devices.h> #include <net.h> @@ -263,5 +260,3 @@ int drv_nc_init (void) return (rc == 0) ? 1 : rc; } - -#endif /* CONFIG_NETCONSOLE */ diff --git a/drivers/net/ns7520_eth.c b/drivers/net/ns7520_eth.c index a5a20df..37411df 100644 --- a/drivers/net/ns7520_eth.c +++ b/drivers/net/ns7520_eth.c @@ -15,8 +15,6 @@ #include <common.h> -#if defined(CONFIG_DRIVER_NS7520_ETHERNET) - #include <net.h> /* NetSendPacket */ #include <asm/arch/netarm_registers.h> #include <asm/arch/netarm_dma_module.h> @@ -846,14 +844,11 @@ extern int ns7520_miiphy_write(char *devname, unsigned char const addr, return (ret); } #endif /* defined(CONFIG_MII) */ -#endif /* CONFIG_DRIVER_NS7520_ETHERNET */ int ns7520_miiphy_initialize(bd_t *bis) { -#if defined(CONFIG_DRIVER_NS7520_ETHERNET) #if defined(CONFIG_MII) miiphy_register("ns7520phy", ns7520_miiphy_read, ns7520_miiphy_write); #endif -#endif return 0; } diff --git a/drivers/net/ns8382x.c b/drivers/net/ns8382x.c index c807dd4..0b9a3ae 100644 --- a/drivers/net/ns8382x.c +++ b/drivers/net/ns8382x.c @@ -56,9 +56,6 @@ #include <asm/io.h> #include <pci.h> -#if defined(CONFIG_CMD_NET) \ - && defined(CONFIG_NET_MULTI) && defined(CONFIG_NS8382X) - /* defines */ #define DSIZE 0x00000FFF #define ETH_ALEN 6 @@ -859,5 +856,3 @@ ns8382x_disable(struct eth_device *dev) /* Restore PME enable bit */ OUTL(dev, SavedClkRun, ClkRun); } - -#endif diff --git a/drivers/net/ns9750_eth.c b/drivers/net/ns9750_eth.c index 067ff8e..0559710 100644 --- a/drivers/net/ns9750_eth.c +++ b/drivers/net/ns9750_eth.c @@ -37,8 +37,6 @@ #include "ns9750_eth.h" /* for Ethernet and PHY */ -#ifdef CONFIG_DRIVER_NS9750_ETHERNET - /* some definition to make transistion to linux easier */ #define NS9750_DRIVER_NAME "eth" @@ -793,5 +791,3 @@ static unsigned int ns9750_mii_poll_busy (void) return unTimeout; } - -#endif /* CONFIG_DRIVER_NS9750_ETHERNET */ diff --git a/drivers/net/pcnet.c b/drivers/net/pcnet.c index aa04e8f..a4f0214 100644 --- a/drivers/net/pcnet.c +++ b/drivers/net/pcnet.c @@ -45,9 +45,6 @@ #define PCNET_DEBUG2(fmt,args...) #endif -#if defined(CONFIG_CMD_NET) \ - && defined(CONFIG_NET_MULTI) && defined(CONFIG_PCNET) - #if !defined(CONF_PCNET_79C973) && defined(CONF_PCNET_79C975) #error "Macro for PCnet chip version is not defined!" #endif @@ -537,4 +534,3 @@ static void pcnet_halt (struct eth_device *dev) printf ("%s: TIMEOUT: controller reset failed\n", dev->name); } } -#endif diff --git a/drivers/net/plb2800_eth.c b/drivers/net/plb2800_eth.c index b8cc57a..dad842c 100644 --- a/drivers/net/plb2800_eth.c +++ b/drivers/net/plb2800_eth.c @@ -24,10 +24,6 @@ */ #include <common.h> - -#if defined(CONFIG_CMD_NET) \ - && defined(CONFIG_NET_MULTI) && defined(CONFIG_PLB2800_ETHER) - #include <malloc.h> #include <net.h> #include <asm/addrspace.h> @@ -392,5 +388,3 @@ static unsigned char * plb2800_get_mac_addr(void) return addr; } - -#endif /* CONFIG_PLB2800_ETHER */ diff --git a/drivers/net/rtl8019.c b/drivers/net/rtl8019.c index 9d62cab..3ddf917 100644 --- a/drivers/net/rtl8019.c +++ b/drivers/net/rtl8019.c @@ -32,10 +32,6 @@ #include "rtl8019.h" #include <net.h> -#ifdef CONFIG_DRIVER_RTL8019 - -#if defined(CONFIG_CMD_NET) - /* packet page register access functions */ static unsigned char get_reg (unsigned int regno) @@ -271,7 +267,3 @@ extern int eth_send (volatile void *packet, int length) return 0; } - -#endif /* CONFIG_CMD_NET */ - -#endif /* CONFIG_DRIVER_RTL8019 */ diff --git a/drivers/net/rtl8139.c b/drivers/net/rtl8139.c index 097f684..4fd20ac 100644 --- a/drivers/net/rtl8139.c +++ b/drivers/net/rtl8139.c @@ -77,9 +77,6 @@ #include <asm/io.h> #include <pci.h> -#if defined(CONFIG_CMD_NET) && defined(CONFIG_NET_MULTI) && \ - defined(CONFIG_RTL8139) - #define RTL_TIMEOUT 100000 #define ETH_FRAME_LEN 1514 @@ -545,4 +542,3 @@ static void rtl_disable(struct eth_device *dev) udelay (100); /* wait 100us */ } } -#endif diff --git a/drivers/net/rtl8169.c b/drivers/net/rtl8169.c index 6c4c9ff..7423bc0 100644 --- a/drivers/net/rtl8169.c +++ b/drivers/net/rtl8169.c @@ -58,9 +58,6 @@ #include <asm/io.h> #include <pci.h> -#if defined(CONFIG_CMD_NET) && defined(CONFIG_NET_MULTI) && \ - defined(CONFIG_RTL8169) - #undef DEBUG_RTL8169 #undef DEBUG_RTL8169_TX #undef DEBUG_RTL8169_RX @@ -887,5 +884,3 @@ int rtl8169_initialize(bd_t *bis) } return card_number; } - -#endif diff --git a/drivers/net/s3c4510b_eth.c b/drivers/net/s3c4510b_eth.c index 3d9066a..6dcb244 100644 --- a/drivers/net/s3c4510b_eth.c +++ b/drivers/net/s3c4510b_eth.c @@ -25,9 +25,6 @@ */ #include <common.h> - -#ifdef CONFIG_DRIVER_S3C4510_ETH - #include <command.h> #include <net.h> #include <asm/hardware.h> @@ -242,5 +239,3 @@ void eth_halt(void) /* disable MAC */ PUT_REG( REG_MACCON, ETH_HaltReg); } - -#endif diff --git a/drivers/net/smc91111.c b/drivers/net/smc91111.c index 8061f12..e8b235b 100644 --- a/drivers/net/smc91111.c +++ b/drivers/net/smc91111.c @@ -65,8 +65,6 @@ #include "smc91111.h" #include <net.h> -#ifdef CONFIG_DRIVER_SMC91111 - /* Use power-down feature of the chip */ #define POWER_DOWN 0 @@ -1620,4 +1618,3 @@ int get_rom_mac (uchar *v_rom_mac) return (valid_mac ? 1 : 0); #endif } -#endif /* CONFIG_DRIVER_SMC91111 */ diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c index 5302cb5..7555cb9 100644 --- a/drivers/net/smc911x.c +++ b/drivers/net/smc911x.c @@ -23,13 +23,16 @@ */ #include <common.h> - -#ifdef CONFIG_DRIVER_SMC911X - #include <command.h> #include <net.h> #include <miiphy.h> +#if defined (CONFIG_DRIVER_SMC911X_32_BIT) && \ + defined (CONFIG_DRIVER_SMC911X_16_BIT) +#error "SMC911X: Only one of CONFIG_DRIVER_SMC911X_32_BIT and \ + CONFIG_DRIVER_SMC911X_16_BIT shall be set" +#endif + #ifdef CONFIG_DRIVER_SMC911X_32_BIT static inline u32 reg_read(u32 addr) { @@ -39,9 +42,20 @@ static inline void reg_write(u32 addr, u32 val) { *(volatile u32*)addr = val; } +#elif CONFIG_DRIVER_SMC911X_16_BIT +static inline u32 reg_read(u32 addr) +{ + volatile u16 *addr_16 = (u16 *)addr; + return ((*addr_16 & 0x0000ffff) | (*(addr_16 + 1) << 16)); +} +static inline void reg_write(u32 addr, u32 val) +{ + *(volatile u16*)addr = (u16)val; + *(volatile u16*)(addr + 2) = (u16)(val >> 16); +} #else -#error "SMC911X: Only 32-bit bus is supported" -#endif +#error "SMC911X: undefined bus width" +#endif /* CONFIG_DRIVER_SMC911X_16_BIT */ #define mdelay(n) udelay((n)*1000) @@ -682,5 +696,3 @@ int eth_rx(void) return 0; } - -#endif /* CONFIG_DRIVER_SMC911X */ diff --git a/drivers/net/tigon3.c b/drivers/net/tigon3.c index 5f6a4ec..ab448b0 100644 --- a/drivers/net/tigon3.c +++ b/drivers/net/tigon3.c @@ -12,8 +12,7 @@ /******************************************************************************/ #include <common.h> #include <asm/types.h> -#if defined(CONFIG_CMD_NET) && !defined(CONFIG_NET_MULTI) && \ - defined(CONFIG_TIGON3) + #ifdef CONFIG_BMW #include <mpc824x.h> #endif @@ -5695,5 +5694,3 @@ LM_DmaTest (PLM_DEVICE_BLOCK pDevice, PLM_UINT8 pBufferVirt, } return LM_STATUS_SUCCESS; } - -#endif diff --git a/drivers/net/tsec.c b/drivers/net/tsec.c index c7af930..6e0f2c6 100644 --- a/drivers/net/tsec.c +++ b/drivers/net/tsec.c @@ -17,7 +17,6 @@ #include <net.h> #include <command.h> -#if defined(CONFIG_TSEC_ENET) #include "tsec.h" #include "miiphy.h" @@ -1128,6 +1127,36 @@ struct phy_info phy_info_M88E1111S = { }, }; +struct phy_info phy_info_M88E1118 = { + 0x01410e1, + "Marvell 88E1118", + 4, + (struct phy_cmd[]){ /* config */ + /* Reset and configure the PHY */ + {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL}, + {0x16, 0x0002, NULL}, /* Change Page Number */ + {0x15, 0x1070, NULL}, /* Delay RGMII TX and RX */ + {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL}, + {MIIM_ANAR, MIIM_ANAR_INIT, NULL}, + {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL}, + {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init}, + {miim_end,} + }, + (struct phy_cmd[]){ /* startup */ + {0x16, 0x0000, NULL}, /* Change Page Number */ + /* Status is read once to clear old link state */ + {MIIM_STATUS, miim_read, NULL}, + /* Auto-negotiate */ + /* Read the status */ + {MIIM_88E1011_PHY_STATUS, miim_read, + &mii_parse_88E1011_psr}, + {miim_end,} + }, + (struct phy_cmd[]){ /* shutdown */ + {miim_end,} + }, +}; + static unsigned int m88e1145_setmode(uint mii_reg, struct tsec_private *priv) { uint mii_data = read_phy_reg(priv, mii_reg); @@ -1492,6 +1521,7 @@ struct phy_info *phy_info[] = { &phy_info_BCM5464S, &phy_info_M88E1011S, &phy_info_M88E1111S, + &phy_info_M88E1118, &phy_info_M88E1145, &phy_info_M88E1149S, &phy_info_dm9161, @@ -1710,5 +1740,3 @@ tsec_mcast_addr (struct eth_device *dev, u8 mcast_mac, u8 set) return 0; } #endif /* Multicast TFTP ? */ - -#endif /* CONFIG_TSEC_ENET */ diff --git a/drivers/net/tsi108_eth.c b/drivers/net/tsi108_eth.c index a09115e..57c0dc3 100644 --- a/drivers/net/tsi108_eth.c +++ b/drivers/net/tsi108_eth.c @@ -27,9 +27,6 @@ #include <config.h> -#if defined(CONFIG_CMD_NET) && defined(CONFIG_NET_MULTI) \ - && defined(CONFIG_TSI108_ETH) - #if !defined(CONFIG_TSI108_ETH_NUM_PORTS) || (CONFIG_TSI108_ETH_NUM_PORTS > 2) #error "CONFIG_TSI108_ETH_NUM_PORTS must be defined as 1 or 2" #endif @@ -1032,5 +1029,3 @@ static void tsi108_eth_halt (struct eth_device *dev) /* Put MAC into reset state. */ reg_MAC_CONFIG_1(base) = MAC_CONFIG_1_SOFT_RESET; } - -#endif diff --git a/drivers/net/uli526x.c b/drivers/net/uli526x.c index 79d29ae..7145b72 100644 --- a/drivers/net/uli526x.c +++ b/drivers/net/uli526x.c @@ -22,9 +22,6 @@ /* some kernel function compatible define */ -#if defined(CONFIG_CMD_NET) && defined(CONFIG_NET_MULTI) && \ - defined(CONFIG_ULI526X) - #undef DEBUG /* Board/System/Debug information/definition */ @@ -993,4 +990,3 @@ static void set_mac_addr(struct eth_device *dev) udelay(10); return; } -#endif diff --git a/drivers/net/vsc7385.c b/drivers/net/vsc7385.c index 4095bce..4e7259f 100644 --- a/drivers/net/vsc7385.c +++ b/drivers/net/vsc7385.c @@ -13,9 +13,6 @@ */ #include <config.h> - -#ifdef CONFIG_VSC7385_ENET - #include <common.h> #include <asm/io.h> #include <asm/errno.h> @@ -97,5 +94,3 @@ int vsc7385_upload_firmware(void *firmware, unsigned int size) return 0; } - -#endif diff --git a/drivers/rtc/ds1306.c b/drivers/rtc/ds1306.c index 1c8ac7f..29854fc 100644 --- a/drivers/rtc/ds1306.c +++ b/drivers/rtc/ds1306.c @@ -62,13 +62,6 @@ #define RTC_USER_RAM_BASE 0x20 -/* - * External table of chip select functions (see the appropriate board - * support for the actual definition of the table). - */ -extern spi_chipsel_type spi_chipsel[]; -extern int spi_chipsel_cnt; - static unsigned int bin2bcd (unsigned int n); static unsigned char bcd2bin (unsigned char c); @@ -305,11 +298,29 @@ void rtc_reset (void) static unsigned char rtc_read (unsigned char reg); static void rtc_write (unsigned char reg, unsigned char val); +static struct spi_slave *slave; + /* read clock time from DS1306 and return it in *tmp */ int rtc_get (struct rtc_time *tmp) { unsigned char sec, min, hour, mday, wday, mon, year; + /* + * Assuming Vcc = 2.0V (lowest speed) + * + * REVISIT: If we add an rtc_init() function we can do this + * step just once. + */ + if (!slave) { + slave = spi_setup_slave(0, CFG_SPI_RTC_DEVID, 600000, + SPI_MODE_3 | SPI_CS_HIGH); + if (!slave) + return; + } + + if (spi_claim_bus(slave)) + return; + sec = rtc_read (RTC_SECONDS); min = rtc_read (RTC_MINUTES); hour = rtc_read (RTC_HOURS); @@ -318,6 +329,8 @@ int rtc_get (struct rtc_time *tmp) mon = rtc_read (RTC_MONTH); year = rtc_read (RTC_YEAR); + spi_release_bus(slave); + debug ("Get RTC year: %02x mon: %02x mday: %02x wday: %02x " "hr: %02x min: %02x sec: %02x\n", year, mon, mday, wday, hour, min, sec); @@ -360,6 +373,17 @@ int rtc_get (struct rtc_time *tmp) /* set clock time from *tmp in DS1306 RTC */ void rtc_set (struct rtc_time *tmp) { + /* Assuming Vcc = 2.0V (lowest speed) */ + if (!slave) { + slave = spi_setup_slave(0, CFG_SPI_RTC_DEVID, 600000, + SPI_MODE_3 | SPI_CS_HIGH); + if (!slave) + return; + } + + if (spi_claim_bus(slave)) + return; + debug ("Set DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n", tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday, tmp->tm_hour, tmp->tm_min, tmp->tm_sec); @@ -371,6 +395,8 @@ void rtc_set (struct rtc_time *tmp) rtc_write (RTC_DATE_OF_MONTH, bin2bcd (tmp->tm_mday)); rtc_write (RTC_MONTH, bin2bcd (tmp->tm_mon)); rtc_write (RTC_YEAR, bin2bcd (tmp->tm_year - 2000)); + + spi_release_bus(slave); } /* ------------------------------------------------------------------------- */ @@ -378,6 +404,17 @@ void rtc_set (struct rtc_time *tmp) /* reset the DS1306 */ void rtc_reset (void) { + /* Assuming Vcc = 2.0V (lowest speed) */ + if (!slave) { + slave = spi_setup_slave(0, CFG_SPI_RTC_DEVID, 600000, + SPI_MODE_3 | SPI_CS_HIGH); + if (!slave) + return; + } + + if (spi_claim_bus(slave)) + return; + /* clear the control register */ rtc_write (RTC_CONTROL, 0x00); /* 1st step: reset WP */ rtc_write (RTC_CONTROL, 0x00); /* 2nd step: reset 1Hz, AIE1, AIE0 */ @@ -391,22 +428,18 @@ void rtc_reset (void) rtc_write (RTC_HOURS_ALARM1, 0x00); rtc_write (RTC_DAY_OF_WEEK_ALARM0, 0x00); rtc_write (RTC_DAY_OF_WEEK_ALARM1, 0x00); + + spi_release_bus(slave); } /* ------------------------------------------------------------------------- */ static unsigned char rtc_read (unsigned char reg) { - unsigned char dout[2]; /* SPI Output Data Bytes */ - unsigned char din[2]; /* SPI Input Data Bytes */ - - dout[0] = reg; + int ret; - if (spi_xfer (spi_chipsel[CFG_SPI_RTC_DEVID], 16, dout, din) != 0) { - return 0; - } else { - return din[1]; - } + ret = spi_w8r8(slave, reg); + return ret < 0 ? 0 : ret; } /* ------------------------------------------------------------------------- */ @@ -419,7 +452,7 @@ static void rtc_write (unsigned char reg, unsigned char val) dout[0] = 0x80 | reg; dout[1] = val; - spi_xfer (spi_chipsel[CFG_SPI_RTC_DEVID], 16, dout, din); + spi_xfer (slave, 16, dout, din, SPI_XFER_BEGIN | SPI_XFER_END); } #endif /* end of code exclusion (see #ifdef CONFIG_SXNI855T above) */ diff --git a/drivers/rtc/mc13783-rtc.c b/drivers/rtc/mc13783-rtc.c index 35b1b8b..b6e1501 100644 --- a/drivers/rtc/mc13783-rtc.c +++ b/drivers/rtc/mc13783-rtc.c @@ -24,34 +24,50 @@ #include <rtc.h> #include <spi.h> +static struct spi_slave *slave; + int rtc_get(struct rtc_time *rtc) { u32 day1, day2, time; u32 reg; int err, tim, i = 0; - spi_select(1, 0, SPI_MODE_2 | SPI_CS_HIGH); + if (!slave) { + /* FIXME: Verify the max SCK rate */ + slave = spi_setup_slave(1, 0, 1000000, + SPI_MODE_2 | SPI_CS_HIGH); + if (!slave) + return -1; + } + + if (spi_claim_bus(slave)) + return -1; do { reg = 0x2c000000; - err = spi_xfer(0, 32, (uchar *)®, (uchar *)&day1); + err = spi_xfer(slave, 32, (uchar *)®, (uchar *)&day1, + SPI_XFER_BEGIN | SPI_XFER_END); if (err) return err; reg = 0x28000000; - err = spi_xfer(0, 32, (uchar *)®, (uchar *)&time); + err = spi_xfer(slave, 32, (uchar *)®, (uchar *)&time, + SPI_XFER_BEGIN | SPI_XFER_END); if (err) return err; reg = 0x2c000000; - err = spi_xfer(0, 32, (uchar *)®, (uchar *)&day2); + err = spi_xfer(slave, 32, (uchar *)®, (uchar *)&day2, + SPI_XFER_BEGIN | SPI_XFER_END); if (err) return err; } while (day1 != day2 && i++ < 3); + spi_release_bus(slave); + tim = day1 * 86400 + time; to_tm(tim, rtc); @@ -65,16 +81,31 @@ void rtc_set(struct rtc_time *rtc) { u32 time, day, reg; + if (!slave) { + /* FIXME: Verify the max SCK rate */ + slave = spi_setup_slave(1, 0, 1000000, + SPI_MODE_2 | SPI_CS_HIGH); + if (!slave) + return; + } + time = mktime(rtc->tm_year, rtc->tm_mon, rtc->tm_mday, rtc->tm_hour, rtc->tm_min, rtc->tm_sec); day = time / 86400; time %= 86400; + if (spi_claim_bus(slave)) + return; + reg = 0x2c000000 | day | 0x80000000; - spi_xfer(0, 32, (uchar *)®, (uchar *)&day); + spi_xfer(slave, 32, (uchar *)®, (uchar *)&day, + SPI_XFER_BEGIN | SPI_XFER_END); reg = 0x28000000 | time | 0x80000000; - spi_xfer(0, 32, (uchar *)®, (uchar *)&time); + spi_xfer(slave, 32, (uchar *)®, (uchar *)&time, + SPI_XFER_BEGIN | SPI_XFER_END); + + spi_release_bus(slave); } void rtc_reset(void) diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile index bc8a104..e66e0ee 100644 --- a/drivers/spi/Makefile +++ b/drivers/spi/Makefile @@ -26,6 +26,7 @@ include $(TOPDIR)/config.mk LIB := $(obj)libspi.a COBJS-y += mpc8xxx_spi.o +COBJS-$(CONFIG_ATMEL_SPI) += atmel_spi.o COBJS-$(CONFIG_MXC_SPI) += mxc_spi.o COBJS := $(COBJS-y) diff --git a/drivers/spi/atmel_spi.c b/drivers/spi/atmel_spi.c new file mode 100644 index 0000000..317c0b4 --- /dev/null +++ b/drivers/spi/atmel_spi.c @@ -0,0 +1,210 @@ +/* + * Copyright (C) 2007 Atmel Corporation + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ +#include <common.h> +#include <spi.h> +#include <malloc.h> + +#include <asm/io.h> + +#include <asm/arch/clk.h> +#include <asm/arch/memory-map.h> + +#include "atmel_spi.h" + +void spi_init() +{ + +} + +struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, + unsigned int max_hz, unsigned int mode) +{ + struct atmel_spi_slave *as; + unsigned int scbr; + u32 csrx; + void *regs; + + if (cs > 3 || !spi_cs_is_valid(bus, cs)) + return NULL; + + switch (bus) { + case 0: + regs = (void *)SPI0_BASE; + break; +#ifdef SPI1_BASE + case 1: + regs = (void *)SPI1_BASE; + break; +#endif +#ifdef SPI2_BASE + case 2: + regs = (void *)SPI2_BASE; + break; +#endif +#ifdef SPI3_BASE + case 3: + regs = (void *)SPI3_BASE; + break; +#endif + default: + return NULL; + } + + + scbr = (get_spi_clk_rate(bus) + max_hz - 1) / max_hz; + if (scbr > ATMEL_SPI_CSRx_SCBR_MAX) + /* Too low max SCK rate */ + return NULL; + if (scbr < 1) + scbr = 1; + + csrx = ATMEL_SPI_CSRx_SCBR(scbr); + csrx |= ATMEL_SPI_CSRx_BITS(ATMEL_SPI_BITS_8); + if (!(mode & SPI_CPHA)) + csrx |= ATMEL_SPI_CSRx_NCPHA; + if (mode & SPI_CPOL) + csrx |= ATMEL_SPI_CSRx_CPOL; + + as = malloc(sizeof(struct atmel_spi_slave)); + if (!as) + return NULL; + + as->slave.bus = bus; + as->slave.cs = cs; + as->regs = regs; + as->mr = ATMEL_SPI_MR_MSTR | ATMEL_SPI_MR_MODFDIS + | ATMEL_SPI_MR_PCS(~(1 << cs) & 0xf); + spi_writel(as, CSR(cs), csrx); + + return &as->slave; +} + +void spi_free_slave(struct spi_slave *slave) +{ + struct atmel_spi_slave *as = to_atmel_spi(slave); + + free(as); +} + +int spi_claim_bus(struct spi_slave *slave) +{ + struct atmel_spi_slave *as = to_atmel_spi(slave); + + /* Enable the SPI hardware */ + spi_writel(as, CR, ATMEL_SPI_CR_SPIEN); + + /* + * Select the slave. This should set SCK to the correct + * initial state, etc. + */ + spi_writel(as, MR, as->mr); + + return 0; +} + +void spi_release_bus(struct spi_slave *slave) +{ + struct atmel_spi_slave *as = to_atmel_spi(slave); + + /* Disable the SPI hardware */ + spi_writel(as, CR, ATMEL_SPI_CR_SPIDIS); +} + +int spi_xfer(struct spi_slave *slave, unsigned int bitlen, + const void *dout, void *din, unsigned long flags) +{ + struct atmel_spi_slave *as = to_atmel_spi(slave); + unsigned int len_tx; + unsigned int len_rx; + unsigned int len; + int ret; + u32 status; + const u8 *txp = dout; + u8 *rxp = din; + u8 value; + + ret = 0; + if (bitlen == 0) + /* Finish any previously submitted transfers */ + goto out; + + /* + * TODO: The controller can do non-multiple-of-8 bit + * transfers, but this driver currently doesn't support it. + * + * It's also not clear how such transfers are supposed to be + * represented as a stream of bytes...this is a limitation of + * the current SPI interface. + */ + if (bitlen % 8) { + /* Errors always terminate an ongoing transfer */ + flags |= SPI_XFER_END; + goto out; + } + + len = bitlen / 8; + + /* + * The controller can do automatic CS control, but it is + * somewhat quirky, and it doesn't really buy us much anyway + * in the context of U-Boot. + */ + if (flags & SPI_XFER_BEGIN) + spi_cs_activate(slave); + + for (len_tx = 0, len_rx = 0; len_rx < len; ) { + status = spi_readl(as, SR); + + if (status & ATMEL_SPI_SR_OVRES) + return -1; + + if (len_tx < len && (status & ATMEL_SPI_SR_TDRE)) { + if (txp) + value = *txp++; + else + value = 0; + spi_writel(as, TDR, value); + len_tx++; + } + if (status & ATMEL_SPI_SR_RDRF) { + value = spi_readl(as, RDR); + if (rxp) + *rxp++ = value; + len_rx++; + } + } + +out: + if (flags & SPI_XFER_END) { + /* + * Wait until the transfer is completely done before + * we deactivate CS. + */ + do { + status = spi_readl(as, SR); + } while (!(status & ATMEL_SPI_SR_TXEMPTY)); + + spi_cs_deactivate(slave); + } + + return 0; +} diff --git a/drivers/spi/atmel_spi.h b/drivers/spi/atmel_spi.h new file mode 100644 index 0000000..8b69a6d --- /dev/null +++ b/drivers/spi/atmel_spi.h @@ -0,0 +1,95 @@ +/* + * Register definitions for the Atmel AT32/AT91 SPI Controller + */ + +/* Register offsets */ +#define ATMEL_SPI_CR 0x0000 +#define ATMEL_SPI_MR 0x0004 +#define ATMEL_SPI_RDR 0x0008 +#define ATMEL_SPI_TDR 0x000c +#define ATMEL_SPI_SR 0x0010 +#define ATMEL_SPI_IER 0x0014 +#define ATMEL_SPI_IDR 0x0018 +#define ATMEL_SPI_IMR 0x001c +#define ATMEL_SPI_CSR(x) (0x0030 + 4 * (x)) +#define ATMEL_SPI_VERSION 0x00fc + +/* Bits in CR */ +#define ATMEL_SPI_CR_SPIEN (1 << 0) +#define ATMEL_SPI_CR_SPIDIS (1 << 1) +#define ATMEL_SPI_CR_SWRST (1 << 7) +#define ATMEL_SPI_CR_LASTXFER (1 << 24) + +/* Bits in MR */ +#define ATMEL_SPI_MR_MSTR (1 << 0) +#define ATMEL_SPI_MR_PS (1 << 1) +#define ATMEL_SPI_MR_PCSDEC (1 << 2) +#define ATMEL_SPI_MR_FDIV (1 << 3) +#define ATMEL_SPI_MR_MODFDIS (1 << 4) +#define ATMEL_SPI_MR_LLB (1 << 7) +#define ATMEL_SPI_MR_PCS(x) (((x) & 15) << 16) +#define ATMEL_SPI_MR_DLYBCS(x) ((x) << 24) + +/* Bits in RDR */ +#define ATMEL_SPI_RDR_RD(x) (x) +#define ATMEL_SPI_RDR_PCS(x) ((x) << 16) + +/* Bits in TDR */ +#define ATMEL_SPI_TDR_TD(x) (x) +#define ATMEL_SPI_TDR_PCS(x) ((x) << 16) +#define ATMEL_SPI_TDR_LASTXFER (1 << 24) + +/* Bits in SR/IER/IDR/IMR */ +#define ATMEL_SPI_SR_RDRF (1 << 0) +#define ATMEL_SPI_SR_TDRE (1 << 1) +#define ATMEL_SPI_SR_MODF (1 << 2) +#define ATMEL_SPI_SR_OVRES (1 << 3) +#define ATMEL_SPI_SR_ENDRX (1 << 4) +#define ATMEL_SPI_SR_ENDTX (1 << 5) +#define ATMEL_SPI_SR_RXBUFF (1 << 6) +#define ATMEL_SPI_SR_TXBUFE (1 << 7) +#define ATMEL_SPI_SR_NSSR (1 << 8) +#define ATMEL_SPI_SR_TXEMPTY (1 << 9) +#define ATMEL_SPI_SR_SPIENS (1 << 16) + +/* Bits in CSRx */ +#define ATMEL_SPI_CSRx_CPOL (1 << 0) +#define ATMEL_SPI_CSRx_NCPHA (1 << 1) +#define ATMEL_SPI_CSRx_CSAAT (1 << 3) +#define ATMEL_SPI_CSRx_BITS(x) ((x) << 4) +#define ATMEL_SPI_CSRx_SCBR(x) ((x) << 8) +#define ATMEL_SPI_CSRx_SCBR_MAX 0xff +#define ATMEL_SPI_CSRx_DLYBS(x) ((x) << 16) +#define ATMEL_SPI_CSRx_DLYBCT(x) ((x) << 24) + +/* Bits in VERSION */ +#define ATMEL_SPI_VERSION_REV(x) ((x) << 0) +#define ATMEL_SPI_VERSION_MFN(x) ((x) << 16) + +/* Constants for CSRx:BITS */ +#define ATMEL_SPI_BITS_8 0 +#define ATMEL_SPI_BITS_9 1 +#define ATMEL_SPI_BITS_10 2 +#define ATMEL_SPI_BITS_11 3 +#define ATMEL_SPI_BITS_12 4 +#define ATMEL_SPI_BITS_13 5 +#define ATMEL_SPI_BITS_14 6 +#define ATMEL_SPI_BITS_15 7 +#define ATMEL_SPI_BITS_16 8 + +struct atmel_spi_slave { + struct spi_slave slave; + void *regs; + u32 mr; +}; + +static inline struct atmel_spi_slave *to_atmel_spi(struct spi_slave *slave) +{ + return container_of(slave, struct atmel_spi_slave, slave); +} + +/* Register access macros */ +#define spi_readl(as, reg) \ + readl(as->regs + ATMEL_SPI_##reg) +#define spi_writel(as, reg, value) \ + writel(value, as->regs + ATMEL_SPI_##reg) diff --git a/drivers/spi/mpc8xxx_spi.c b/drivers/spi/mpc8xxx_spi.c index 2fe838c..136fb50 100644 --- a/drivers/spi/mpc8xxx_spi.c +++ b/drivers/spi/mpc8xxx_spi.c @@ -24,6 +24,7 @@ #include <common.h> #if defined(CONFIG_MPC8XXX_SPI) && defined(CONFIG_HARD_SPI) +#include <malloc.h> #include <spi.h> #include <asm/mpc8xxx_spi.h> @@ -37,6 +38,34 @@ #define SPI_TIMEOUT 1000 +struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, + unsigned int max_hz, unsigned int mode) +{ + struct spi_slave *slave; + + if (!spi_cs_is_valid(bus, cs)) + return NULL; + + slave = malloc(sizeof(struct spi_slave)); + if (!slave) + return NULL; + + slave->bus = bus; + slave->cs = cs; + + /* + * TODO: Some of the code in spi_init() should probably move + * here, or into spi_claim_bus() below. + */ + + return slave; +} + +void spi_free_slave(struct spi_slave *slave) +{ + free(slave); +} + void spi_init(void) { volatile spi8xxx_t *spi = &((immap_t *) (CFG_IMMR))->spi; @@ -53,7 +82,18 @@ void spi_init(void) spi->com = 0; /* LST bit doesn't do anything, so disregard */ } -int spi_xfer(spi_chipsel_type chipsel, int bitlen, uchar *dout, uchar *din) +int spi_claim_bus(struct spi_slave *slave) +{ + return 0; +} + +void spi_release_bus(struct spi_slave *slave) +{ + +} + +int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout, + void *din, unsigned long flags) { volatile spi8xxx_t *spi = &((immap_t *) (CFG_IMMR))->spi; unsigned int tmpdout, tmpdin, event; @@ -61,11 +101,11 @@ int spi_xfer(spi_chipsel_type chipsel, int bitlen, uchar *dout, uchar *din) int tm, isRead = 0; unsigned char charSize = 32; - debug("spi_xfer: chipsel %08X dout %08X din %08X bitlen %d\n", - (int)chipsel, *(uint *) dout, *(uint *) din, bitlen); + debug("spi_xfer: slave %u:%u dout %08X din %08X bitlen %u\n", + slave->bus, slave->cs, *(uint *) dout, *(uint *) din, bitlen); - if (chipsel != NULL) - (*chipsel) (1); /* select the target chip */ + if (flags & SPI_XFER_BEGIN) + spi_cs_activate(slave); spi->event = 0xffffffff; /* Clear all SPI events */ @@ -135,8 +175,8 @@ int spi_xfer(spi_chipsel_type chipsel, int bitlen, uchar *dout, uchar *din) debug("*** spi_xfer: transfer ended. Value=%08x\n", tmpdin); } - if (chipsel != NULL) - (*chipsel) (0); /* deselect the target chip */ + if (flags & SPI_XFER_END) + spi_cs_deactivate(slave); return 0; } diff --git a/drivers/spi/mxc_spi.c b/drivers/spi/mxc_spi.c index c166ec5..5957ada 100644 --- a/drivers/spi/mxc_spi.c +++ b/drivers/spi/mxc_spi.c @@ -19,6 +19,7 @@ */ #include <common.h> +#include <malloc.h> #include <spi.h> #include <asm/io.h> @@ -61,17 +62,18 @@ static unsigned long spi_bases[] = { 0x53f84000, }; -static unsigned long spi_base; - #endif -spi_chipsel_type spi_chipsel[] = { - (spi_chipsel_type)0, - (spi_chipsel_type)1, - (spi_chipsel_type)2, - (spi_chipsel_type)3, +struct mxc_spi_slave { + struct spi_slave slave; + unsigned long base; + u32 ctrl_reg; }; -int spi_chipsel_cnt = sizeof(spi_chipsel) / sizeof(spi_chipsel[0]); + +static inline struct mxc_spi_slave *to_mxc_spi_slave(struct spi_slave *slave) +{ + return container_of(slave, struct mxc_spi_slave, slave); +} static inline u32 reg_read(unsigned long addr) { @@ -83,30 +85,31 @@ static inline void reg_write(unsigned long addr, u32 val) *(volatile unsigned long*)addr = val; } -static u32 spi_xchg_single(u32 data, int bitlen) +static u32 spi_xchg_single(struct spi_slave *slave, u32 data, int bitlen) { - - unsigned int cfg_reg = reg_read(spi_base + MXC_CSPICTRL); + struct mxc_spi_slave *mxcs = to_mxc_spi_slave(slave); + unsigned int cfg_reg = reg_read(mxcs->base + MXC_CSPICTRL); if (MXC_CSPICTRL_BITCOUNT(bitlen - 1) != (cfg_reg & MXC_CSPICTRL_BITCOUNT(31))) { cfg_reg = (cfg_reg & ~MXC_CSPICTRL_BITCOUNT(31)) | MXC_CSPICTRL_BITCOUNT(bitlen - 1); - reg_write(spi_base + MXC_CSPICTRL, cfg_reg); + reg_write(mxcs->base + MXC_CSPICTRL, cfg_reg); } - reg_write(spi_base + MXC_CSPITXDATA, data); + reg_write(mxcs->base + MXC_CSPITXDATA, data); cfg_reg |= MXC_CSPICTRL_XCH; - reg_write(spi_base + MXC_CSPICTRL, cfg_reg); + reg_write(mxcs->base + MXC_CSPICTRL, cfg_reg); - while (reg_read(spi_base + MXC_CSPICTRL) & MXC_CSPICTRL_XCH) + while (reg_read(mxcs->base + MXC_CSPICTRL) & MXC_CSPICTRL_XCH) ; - return reg_read(spi_base + MXC_CSPIRXDATA); + return reg_read(mxcs->base + MXC_CSPIRXDATA); } -int spi_xfer(spi_chipsel_type chipsel, int bitlen, uchar *dout, uchar *din) +int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout, + void *din, unsigned long flags) { int n_blks = (bitlen + 31) / 32; u32 *out_l, *in_l; @@ -117,13 +120,10 @@ int spi_xfer(spi_chipsel_type chipsel, int bitlen, uchar *dout, uchar *din) return 1; } - if (!spi_base) - spi_select(CONFIG_MXC_SPI_IFACE, (int)chipsel, SPI_MODE_2 | SPI_CS_HIGH); - for (i = 0, in_l = (u32 *)din, out_l = (u32 *)dout; i < n_blks; i++, in_l++, out_l++, bitlen -= 32) - *in_l = spi_xchg_single(*out_l, bitlen); + *in_l = spi_xchg_single(slave, *out_l, bitlen); return 0; } @@ -132,17 +132,17 @@ void spi_init(void) { } -int spi_select(unsigned int bus, unsigned int dev, unsigned long mode) +struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, + unsigned int max_hz, unsigned int mode) { unsigned int ctrl_reg; + struct mxc_spi_slave *mxcs; if (bus >= sizeof(spi_bases) / sizeof(spi_bases[0]) || - dev > 3) - return 1; - - spi_base = spi_bases[bus]; + cs > 3) + return NULL; - ctrl_reg = MXC_CSPICTRL_CHIPSELECT(dev) | + ctrl_reg = MXC_CSPICTRL_CHIPSELECT(cs) | MXC_CSPICTRL_BITCOUNT(31) | MXC_CSPICTRL_DATARATE(7) | /* FIXME: calculate data rate */ MXC_CSPICTRL_EN | @@ -155,12 +155,38 @@ int spi_select(unsigned int bus, unsigned int dev, unsigned long mode) if (mode & SPI_CS_HIGH) ctrl_reg |= MXC_CSPICTRL_SSPOL; - reg_write(spi_base + MXC_CSPIRESET, 1); + mxcs = malloc(sizeof(struct mxc_spi_slave)); + if (!mxcs) + return NULL; + + mxcs->slave.bus = bus; + mxcs->slave.cs = cs; + mxcs->base = spi_bases[bus]; + mxcs->ctrl_reg = ctrl_reg; + + return &mxcs->slave; +} + +void spi_free_slave(struct spi_slave *slave) +{ + free(slave); +} + +int spi_claim_bus(struct spi_slave *slave) +{ + struct mxc_spi_slave *mxcs = to_mxc_spi_slave(slave); + + reg_write(mxcs->base + MXC_CSPIRESET, 1); udelay(1); - reg_write(spi_base + MXC_CSPICTRL, ctrl_reg); - reg_write(spi_base + MXC_CSPIPERIOD, + reg_write(mxcs->base + MXC_CSPICTRL, mxcs->ctrl_reg); + reg_write(mxcs->base + MXC_CSPIPERIOD, MXC_CSPIPERIOD_32KHZ); - reg_write(spi_base + MXC_CSPIINT, 0); + reg_write(mxcs->base + MXC_CSPIINT, 0); return 0; } + +void spi_release_bus(struct spi_slave *slave) +{ + /* TODO: Shut the controller down */ +} diff --git a/drivers/video/Makefile b/drivers/video/Makefile index 9d2f65b..20a54c5 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -26,6 +26,7 @@ include $(TOPDIR)/config.mk LIB := $(obj)libvideo.a COBJS-y += ati_radeon_fb.o +COBJS-$(CONFIG_ATMEL_LCD) += atmel_lcdfb.o COBJS-y += cfb_console.o COBJS-y += ct69000.o COBJS-y += mb862xx.o diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c new file mode 100644 index 0000000..27df449 --- /dev/null +++ b/drivers/video/atmel_lcdfb.c @@ -0,0 +1,160 @@ +/* + * Driver for AT91/AT32 LCD Controller + * + * Copyright (C) 2007 Atmel Corporation + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/hardware.h> +#include <asm/arch/gpio.h> +#include <asm/arch/clk.h> +#include <lcd.h> +#include <atmel_lcdc.h> + +int lcd_line_length; +int lcd_color_fg; +int lcd_color_bg; + +void *lcd_base; /* Start of framebuffer memory */ +void *lcd_console_address; /* Start of console buffer */ + +short console_col; +short console_row; + +/* configurable parameters */ +#define ATMEL_LCDC_CVAL_DEFAULT 0xc8 +#define ATMEL_LCDC_DMA_BURST_LEN 8 + +#if defined(CONFIG_AT91SAM9263) || defined(CONFIG_AT91CAP9) +#define ATMEL_LCDC_FIFO_SIZE 2048 +#else +#define ATMEL_LCDC_FIFO_SIZE 512 +#endif + +#define lcdc_readl(mmio, reg) __raw_readl((mmio)+(reg)) +#define lcdc_writel(mmio, reg, val) __raw_writel((val), (mmio)+(reg)) + +void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blue) +{ +#if defined(CONFIG_ATMEL_LCD_BGR555) + lcdc_writel(panel_info.mmio, ATMEL_LCDC_LUT(regno), + (red >> 3) | ((green & 0xf8) << 2) | ((blue & 0xf8) << 7)); +#else + lcdc_writel(panel_info.mmio, ATMEL_LCDC_LUT(regno), + (blue >> 3) | ((green & 0xfc) << 3) | ((red & 0xf8) << 8)); +#endif +} + +void lcd_ctrl_init(void *lcdbase) +{ + unsigned long value; + + /* Turn off the LCD controller and the DMA controller */ + lcdc_writel(panel_info.mmio, ATMEL_LCDC_PWRCON, + 1 << ATMEL_LCDC_GUARDT_OFFSET); + + /* Wait for the LCDC core to become idle */ + while (lcdc_readl(panel_info.mmio, ATMEL_LCDC_PWRCON) & ATMEL_LCDC_BUSY) + udelay(10); + + lcdc_writel(panel_info.mmio, ATMEL_LCDC_DMACON, 0); + + /* Reset LCDC DMA */ + lcdc_writel(panel_info.mmio, ATMEL_LCDC_DMACON, ATMEL_LCDC_DMARST); + + /* ...set frame size and burst length = 8 words (?) */ + value = (panel_info.vl_col * panel_info.vl_row * + NBITS(panel_info.vl_bpix)) / 32; + value |= ((ATMEL_LCDC_DMA_BURST_LEN - 1) << ATMEL_LCDC_BLENGTH_OFFSET); + lcdc_writel(panel_info.mmio, ATMEL_LCDC_DMAFRMCFG, value); + + /* Set pixel clock */ + value = get_lcdc_clk_rate(0) / panel_info.vl_clk; + if (get_lcdc_clk_rate(0) % panel_info.vl_clk) + value++; + value = (value / 2) - 1; + + if (!value) { + lcdc_writel(panel_info.mmio, ATMEL_LCDC_LCDCON1, ATMEL_LCDC_BYPASS); + } else + lcdc_writel(panel_info.mmio, ATMEL_LCDC_LCDCON1, + value << ATMEL_LCDC_CLKVAL_OFFSET); + + /* Initialize control register 2 */ + value = ATMEL_LCDC_MEMOR_LITTLE | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE; + if (panel_info.vl_tft) + value |= ATMEL_LCDC_DISTYPE_TFT; + + if (!(panel_info.vl_sync & ATMEL_LCDC_INVLINE_INVERTED)) + value |= ATMEL_LCDC_INVLINE_INVERTED; + if (!(panel_info.vl_sync & ATMEL_LCDC_INVFRAME_INVERTED)) + value |= ATMEL_LCDC_INVFRAME_INVERTED; + value |= (panel_info.vl_bpix << 5); + lcdc_writel(panel_info.mmio, ATMEL_LCDC_LCDCON2, value); + + /* Vertical timing */ + value = (panel_info.vl_vsync_len - 1) << ATMEL_LCDC_VPW_OFFSET; + value |= panel_info.vl_upper_margin << ATMEL_LCDC_VBP_OFFSET; + value |= panel_info.vl_lower_margin; + lcdc_writel(panel_info.mmio, ATMEL_LCDC_TIM1, value); + + /* Horizontal timing */ + value = (panel_info.vl_right_margin - 1) << ATMEL_LCDC_HFP_OFFSET; + value |= (panel_info.vl_hsync_len - 1) << ATMEL_LCDC_HPW_OFFSET; + value |= (panel_info.vl_left_margin - 1); + lcdc_writel(panel_info.mmio, ATMEL_LCDC_TIM2, value); + + /* Display size */ + value = (panel_info.vl_col - 1) << ATMEL_LCDC_HOZVAL_OFFSET; + value |= panel_info.vl_row - 1; + lcdc_writel(panel_info.mmio, ATMEL_LCDC_LCDFRMCFG, value); + + /* FIFO Threshold: Use formula from data sheet */ + value = ATMEL_LCDC_FIFO_SIZE - (2 * ATMEL_LCDC_DMA_BURST_LEN + 3); + lcdc_writel(panel_info.mmio, ATMEL_LCDC_FIFO, value); + + /* Toggle LCD_MODE every frame */ + lcdc_writel(panel_info.mmio, ATMEL_LCDC_MVAL, 0); + + /* Disable all interrupts */ + lcdc_writel(panel_info.mmio, ATMEL_LCDC_IDR, ~0UL); + + /* Set contrast */ + value = ATMEL_LCDC_PS_DIV8 | + ATMEL_LCDC_POL_POSITIVE | + ATMEL_LCDC_ENA_PWMENABLE; + lcdc_writel(panel_info.mmio, ATMEL_LCDC_CONTRAST_CTR, value); + lcdc_writel(panel_info.mmio, ATMEL_LCDC_CONTRAST_VAL, ATMEL_LCDC_CVAL_DEFAULT); + + /* Set framebuffer DMA base address and pixel offset */ + lcdc_writel(panel_info.mmio, ATMEL_LCDC_DMABADDR1, (u_long)lcdbase); + + lcdc_writel(panel_info.mmio, ATMEL_LCDC_DMACON, ATMEL_LCDC_DMAEN); + lcdc_writel(panel_info.mmio, ATMEL_LCDC_PWRCON, + (1 << ATMEL_LCDC_GUARDT_OFFSET) | ATMEL_LCDC_PWR); +} + +ulong calc_fbsize(void) +{ + return ((panel_info.vl_col * panel_info.vl_row * + NBITS(panel_info.vl_bpix)) / 8) + PAGE_SIZE; +} |