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authorBenoît Thébaudeau <benoit.thebaudeau@advansee.com>2013-04-11 09:36:00 +0000
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2013-04-12 07:55:08 +0200
commite53232250b9dcff4915a6024f9951f52eadb4956 (patch)
tree9dc994c1c660f72faeed79940f3aff356ce6b9a7 /drivers
parentc82730cb8ee8dc93cebe4dbfbb6b536ba9c724a5 (diff)
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arm: Remove support for unused s3c64xx
Following the removal of the smdk6400 board, the s3c64xx SoC becomes unused, so remove associated code. It will still be possible to restore it later from the Git history if necessary. Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mtd/nand/Makefile1
-rw-r--r--drivers/mtd/nand/s3c64xx.c295
-rw-r--r--drivers/mtd/onenand/onenand_base.c4
-rw-r--r--drivers/mtd/onenand/samsung.c60
-rw-r--r--drivers/serial/Makefile1
-rw-r--r--drivers/serial/s3c64xx.c187
-rw-r--r--drivers/serial/serial.c2
-rw-r--r--drivers/usb/host/Makefile1
-rw-r--r--drivers/usb/host/ohci-hcd.c1
-rw-r--r--drivers/usb/host/s3c64xx-hcd.c45
10 files changed, 4 insertions, 593 deletions
diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
index bcb7161..35769c5 100644
--- a/drivers/mtd/nand/Makefile
+++ b/drivers/mtd/nand/Makefile
@@ -73,7 +73,6 @@ COBJS-$(CONFIG_NAND_MXS) += mxs_nand.o
COBJS-$(CONFIG_NAND_NDFC) += ndfc.o
COBJS-$(CONFIG_NAND_NOMADIK) += nomadik.o
COBJS-$(CONFIG_NAND_S3C2410) += s3c2410_nand.o
-COBJS-$(CONFIG_NAND_S3C64XX) += s3c64xx.o
COBJS-$(CONFIG_NAND_SPEAR) += spr_nand.o
COBJS-$(CONFIG_TEGRA_NAND) += tegra_nand.o
COBJS-$(CONFIG_NAND_OMAP_GPMC) += omap_gpmc.o
diff --git a/drivers/mtd/nand/s3c64xx.c b/drivers/mtd/nand/s3c64xx.c
deleted file mode 100644
index 87f0341..0000000
--- a/drivers/mtd/nand/s3c64xx.c
+++ /dev/null
@@ -1,295 +0,0 @@
-/*
- * (C) Copyright 2006 DENX Software Engineering
- *
- * Implementation for U-Boot 1.1.6 by Samsung
- *
- * (C) Copyright 2008
- * Guennadi Liakhovetki, DENX Software Engineering, <lg@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 <common.h>
-
-#include <nand.h>
-#include <linux/mtd/nand.h>
-
-#include <asm/arch/s3c6400.h>
-
-#include <asm/io.h>
-#include <asm/errno.h>
-
-#define MAX_CHIPS 2
-static int nand_cs[MAX_CHIPS] = {0, 1};
-
-#ifdef CONFIG_NAND_SPL
-#define printf(arg...) do {} while (0)
-#endif
-
-/* Nand flash definition values by jsgood */
-#ifdef S3C_NAND_DEBUG
-/*
- * Function to print out oob buffer for debugging
- * Written by jsgood
- */
-static void print_oob(const char *header, struct mtd_info *mtd)
-{
- int i;
- struct nand_chip *chip = mtd->priv;
-
- printf("%s:\t", header);
-
- for (i = 0; i < 64; i++)
- printf("%02x ", chip->oob_poi[i]);
-
- printf("\n");
-}
-#endif /* S3C_NAND_DEBUG */
-
-static void s3c_nand_select_chip(struct mtd_info *mtd, int chip)
-{
- int ctrl = readl(NFCONT);
-
- switch (chip) {
- case -1:
- ctrl |= 6;
- break;
- case 0:
- ctrl &= ~2;
- break;
- case 1:
- ctrl &= ~4;
- break;
- default:
- return;
- }
-
- writel(ctrl, NFCONT);
-}
-
-/*
- * Hardware specific access to control-lines function
- * Written by jsgood
- */
-static void s3c_nand_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
-{
- struct nand_chip *this = mtd->priv;
-
- if (ctrl & NAND_CTRL_CHANGE) {
- if (ctrl & NAND_CLE)
- this->IO_ADDR_W = (void __iomem *)NFCMMD;
- else if (ctrl & NAND_ALE)
- this->IO_ADDR_W = (void __iomem *)NFADDR;
- else
- this->IO_ADDR_W = (void __iomem *)NFDATA;
- if (ctrl & NAND_NCE)
- s3c_nand_select_chip(mtd, *(int *)this->priv);
- else
- s3c_nand_select_chip(mtd, -1);
- }
-
- if (cmd != NAND_CMD_NONE)
- writeb(cmd, this->IO_ADDR_W);
-}
-
-/*
- * Function for checking device ready pin
- * Written by jsgood
- */
-static int s3c_nand_device_ready(struct mtd_info *mtdinfo)
-{
- return !!(readl(NFSTAT) & NFSTAT_RnB);
-}
-
-#ifdef CONFIG_SYS_S3C_NAND_HWECC
-/*
- * This function is called before encoding ecc codes to ready ecc engine.
- * Written by jsgood
- */
-static void s3c_nand_enable_hwecc(struct mtd_info *mtd, int mode)
-{
- u_long nfcont, nfconf;
-
- /*
- * The original driver used 4-bit ECC for "new" MLC chips, i.e., for
- * those with non-zero ID[3][3:2], which anyway only holds for ST
- * (Numonyx) chips
- */
- nfconf = readl(NFCONF) & ~NFCONF_ECC_4BIT;
-
- writel(nfconf, NFCONF);
-
- /* Initialize & unlock */
- nfcont = readl(NFCONT);
- nfcont |= NFCONT_INITECC;
- nfcont &= ~NFCONT_MECCLOCK;
-
- if (mode == NAND_ECC_WRITE)
- nfcont |= NFCONT_ECC_ENC;
- else if (mode == NAND_ECC_READ)
- nfcont &= ~NFCONT_ECC_ENC;
-
- writel(nfcont, NFCONT);
-}
-
-/*
- * This function is called immediately after encoding ecc codes.
- * This function returns encoded ecc codes.
- * Written by jsgood
- */
-static int s3c_nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat,
- u_char *ecc_code)
-{
- u_long nfcont, nfmecc0;
-
- /* Lock */
- nfcont = readl(NFCONT);
- nfcont |= NFCONT_MECCLOCK;
- writel(nfcont, NFCONT);
-
- nfmecc0 = readl(NFMECC0);
-
- ecc_code[0] = nfmecc0 & 0xff;
- ecc_code[1] = (nfmecc0 >> 8) & 0xff;
- ecc_code[2] = (nfmecc0 >> 16) & 0xff;
- ecc_code[3] = (nfmecc0 >> 24) & 0xff;
-
- return 0;
-}
-
-/*
- * This function determines whether read data is good or not.
- * If SLC, must write ecc codes to controller before reading status bit.
- * If MLC, status bit is already set, so only reading is needed.
- * If status bit is good, return 0.
- * If correctable errors occured, do that.
- * If uncorrectable errors occured, return -1.
- * Written by jsgood
- */
-static int s3c_nand_correct_data(struct mtd_info *mtd, u_char *dat,
- u_char *read_ecc, u_char *calc_ecc)
-{
- int ret = -1;
- u_long nfestat0, nfmeccdata0, nfmeccdata1, err_byte_addr;
- u_char err_type, repaired;
-
- /* SLC: Write ecc to compare */
- nfmeccdata0 = (calc_ecc[1] << 16) | calc_ecc[0];
- nfmeccdata1 = (calc_ecc[3] << 16) | calc_ecc[2];
- writel(nfmeccdata0, NFMECCDATA0);
- writel(nfmeccdata1, NFMECCDATA1);
-
- /* Read ecc status */
- nfestat0 = readl(NFESTAT0);
- err_type = nfestat0 & 0x3;
-
- switch (err_type) {
- case 0: /* No error */
- ret = 0;
- break;
-
- case 1:
- /*
- * 1 bit error (Correctable)
- * (nfestat0 >> 7) & 0x7ff :error byte number
- * (nfestat0 >> 4) & 0x7 :error bit number
- */
- err_byte_addr = (nfestat0 >> 7) & 0x7ff;
- repaired = dat[err_byte_addr] ^ (1 << ((nfestat0 >> 4) & 0x7));
-
- printf("S3C NAND: 1 bit error detected at byte %ld. "
- "Correcting from 0x%02x to 0x%02x...OK\n",
- err_byte_addr, dat[err_byte_addr], repaired);
-
- dat[err_byte_addr] = repaired;
-
- ret = 1;
- break;
-
- case 2: /* Multiple error */
- case 3: /* ECC area error */
- printf("S3C NAND: ECC uncorrectable error detected. "
- "Not correctable.\n");
- ret = -1;
- break;
- }
-
- return ret;
-}
-#endif /* CONFIG_SYS_S3C_NAND_HWECC */
-
-/*
- * Board-specific NAND initialization. The following members of the
- * argument are board-specific (per include/linux/mtd/nand.h):
- * - IO_ADDR_R?: address to read the 8 I/O lines of the flash device
- * - IO_ADDR_W?: address to write the 8 I/O lines of the flash device
- * - hwcontrol: hardwarespecific function for accesing control-lines
- * - dev_ready: hardwarespecific function for accesing device ready/busy line
- * - enable_hwecc?: function to enable (reset) hardware ecc generator. Must
- * only be provided if a hardware ECC is available
- * - eccmode: mode of ecc, see defines
- * - chip_delay: chip dependent delay for transfering data from array to
- * read regs (tR)
- * - options: various chip options. They can partly be set to inform
- * nand_scan about special functionality. See the defines for further
- * explanation
- * Members with a "?" were not set in the merged testing-NAND branch,
- * so they are not set here either.
- */
-int board_nand_init(struct nand_chip *nand)
-{
- static int chip_n;
-
- if (chip_n >= MAX_CHIPS)
- return -ENODEV;
-
- NFCONT_REG = (NFCONT_REG & ~NFCONT_WP) | NFCONT_ENABLE | 0x6;
-
- nand->IO_ADDR_R = (void __iomem *)NFDATA;
- nand->IO_ADDR_W = (void __iomem *)NFDATA;
- nand->cmd_ctrl = s3c_nand_hwcontrol;
- nand->dev_ready = s3c_nand_device_ready;
- nand->select_chip = s3c_nand_select_chip;
- nand->options = 0;
-#ifdef CONFIG_NAND_SPL
- nand->read_byte = nand_read_byte;
- nand->write_buf = nand_write_buf;
- nand->read_buf = nand_read_buf;
-#endif
-
-#ifdef CONFIG_SYS_S3C_NAND_HWECC
- nand->ecc.hwctl = s3c_nand_enable_hwecc;
- nand->ecc.calculate = s3c_nand_calculate_ecc;
- nand->ecc.correct = s3c_nand_correct_data;
-
- /*
- * If you get more than 1 NAND-chip with different page-sizes on the
- * board one day, it will get more complicated...
- */
- nand->ecc.mode = NAND_ECC_HW;
- nand->ecc.size = CONFIG_SYS_NAND_ECCSIZE;
- nand->ecc.bytes = CONFIG_SYS_NAND_ECCBYTES;
-#else
- nand->ecc.mode = NAND_ECC_SOFT;
-#endif /* ! CONFIG_SYS_S3C_NAND_HWECC */
-
- nand->priv = nand_cs + chip_n++;
-
- return 0;
-}
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 1a7b40e..858e322 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -632,10 +632,6 @@ static int onenand_check_bufferram(struct mtd_info *mtd, loff_t addr)
int blockpage, found = 0;
unsigned int i;
-#ifdef CONFIG_S3C64XX
- return 0;
-#endif
-
if (ONENAND_IS_2PLANE(this))
blockpage = onenand_get_2x_blockpage(mtd, addr);
else
diff --git a/drivers/mtd/onenand/samsung.c b/drivers/mtd/onenand/samsung.c
index 0d94ea5..5eb2b3a 100644
--- a/drivers/mtd/onenand/samsung.c
+++ b/drivers/mtd/onenand/samsung.c
@@ -1,5 +1,5 @@
/*
- * S3C64XX/S5PC100 OneNAND driver at U-Boot
+ * S5PC100 OneNAND driver at U-Boot
*
* Copyright (C) 2008-2009 Samsung Electronics
* Kyungmin Park <kyungmin.park@samsung.com>
@@ -62,12 +62,7 @@ do { \
#define ONENAND_MAIN_SPARE_ACCESS 0x16
#define ONENAND_PIPELINE_READ 0x4000
-#if defined(CONFIG_S3C64XX)
-#define MAP_00 (0x0 << 24)
-#define MAP_01 (0x1 << 24)
-#define MAP_10 (0x2 << 24)
-#define MAP_11 (0x3 << 24)
-#elif defined(CONFIG_S5P)
+#if defined(CONFIG_S5P)
#define MAP_00 (0x0 << 26)
#define MAP_01 (0x1 << 26)
#define MAP_10 (0x2 << 26)
@@ -116,12 +111,7 @@ static void s3c_write_cmd(int value, unsigned int cmd)
* return the buffer address on the memory device
* It will be combined with CMD_MAP_XX
*/
-#if defined(CONFIG_S3C64XX)
-static unsigned int s3c_mem_addr(int fba, int fpa, int fsa)
-{
- return (fba << 12) | (fpa << 6) | (fsa << 4);
-}
-#elif defined(CONFIG_S5P)
+#if defined(CONFIG_S5P)
static unsigned int s3c_mem_addr(int fba, int fpa, int fsa)
{
return (fba << 13) | (fpa << 7) | (fsa << 5);
@@ -550,45 +540,6 @@ static void s3c_onenand_unlock_all(struct mtd_info *mtd)
s3c_onenand_check_lock_status(mtd);
}
-#ifdef CONFIG_S3C64XX
-static void s3c_set_width_regs(struct onenand_chip *this)
-{
- int dev_id, density;
- int fba, fpa, fsa;
- int dbs_dfs;
-
- dev_id = DEVICE_ID0_REG;
-
- density = (dev_id >> ONENAND_DEVICE_DENSITY_SHIFT) & 0xf;
- dbs_dfs = !!(dev_id & ONENAND_DEVICE_IS_DDP);
-
- fba = density + 7;
- if (dbs_dfs)
- fba--; /* Decrease the fba */
- fpa = 6;
- if (density >= ONENAND_DEVICE_DENSITY_512Mb)
- fsa = 2;
- else
- fsa = 1;
-
- DPRINTK("FBA %lu, FPA %lu, FSA %lu, DDP %lu",
- FBA_WIDTH0_REG, FPA_WIDTH0_REG, FSA_WIDTH0_REG,
- DDP_DEVICE_REG);
-
- DPRINTK("mem_cfg0 0x%lx, sync mode %lu, "
- "dev_page_size %lu, BURST LEN %lu",
- MEM_CFG0_REG, SYNC_MODE_REG,
- DEV_PAGE_SIZE_REG, BURST_LEN0_REG);
-
- DEV_PAGE_SIZE_REG = 0x1;
-
- FBA_WIDTH0_REG = fba;
- FPA_WIDTH0_REG = fpa;
- FSA_WIDTH0_REG = fsa;
- DBS_DFS_WIDTH0_REG = dbs_dfs;
-}
-#endif
-
int s5pc110_chip_probe(struct mtd_info *mtd)
{
return 0;
@@ -620,10 +571,7 @@ void s3c_onenand_init(struct mtd_info *mtd)
onenand->mtd = mtd;
-#if defined(CONFIG_S3C64XX)
- onenand->base = (void *)0x70100000;
- onenand->ahb_addr = (void *)0x20000000;
-#elif defined(CONFIG_S5P)
+#if defined(CONFIG_S5P)
onenand->base = (void *)0xE7100000;
onenand->ahb_addr = (void *)0xB0000000;
#endif
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index de3f471..fbc4e97 100644
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -35,7 +35,6 @@ COBJS-$(CONFIG_LPC32XX_HSUART) += lpc32xx_hsuart.o
COBJS-$(CONFIG_MCFUART) += mcfuart.o
COBJS-$(CONFIG_OPENCORES_YANU) += opencores_yanu.o
COBJS-$(CONFIG_SYS_NS16550) += ns16550.o
-COBJS-$(CONFIG_S3C64XX) += s3c64xx.o
COBJS-$(CONFIG_S5P) += serial_s5p.o
COBJS-$(CONFIG_SYS_NS16550_SERIAL) += serial_ns16550.o
COBJS-$(CONFIG_IMX_SERIAL) += serial_imx.o
diff --git a/drivers/serial/s3c64xx.c b/drivers/serial/s3c64xx.c
deleted file mode 100644
index b590992..0000000
--- a/drivers/serial/s3c64xx.c
+++ /dev/null
@@ -1,187 +0,0 @@
-/*
- * (C) Copyright 2002
- * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
- *
- * (C) Copyright 2008
- * Guennadi Liakhovetki, DENX Software Engineering, <lg@denx.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * 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 <linux/compiler.h>
-#include <serial.h>
-#include <asm/arch/s3c6400.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#ifdef CONFIG_SERIAL1
-#define UART_NR S3C64XX_UART0
-
-#elif defined(CONFIG_SERIAL2)
-#define UART_NR S3C64XX_UART1
-
-#elif defined(CONFIG_SERIAL3)
-#define UART_NR S3C64XX_UART2
-
-#else
-#error "Bad: you didn't configure serial ..."
-#endif
-
-/*
- * The coefficient, used to calculate the baudrate on S3C6400 UARTs is
- * calculated as
- * C = UBRDIV * 16 + number_of_set_bits_in_UDIVSLOT
- * however, section 31.6.11 of the datasheet doesn't recomment using 1 for 1,
- * 3 for 2, ... (2^n - 1) for n, instead, they suggest using these constants:
- */
-static const int udivslot[] = {
- 0,
- 0x0080,
- 0x0808,
- 0x0888,
- 0x2222,
- 0x4924,
- 0x4a52,
- 0x54aa,
- 0x5555,
- 0xd555,
- 0xd5d5,
- 0xddd5,
- 0xdddd,
- 0xdfdd,
- 0xdfdf,
- 0xffdf,
-};
-
-static void s3c64xx_serial_setbrg(void)
-{
- s3c64xx_uart *const uart = s3c64xx_get_base_uart(UART_NR);
- u32 pclk = get_PCLK();
- u32 baudrate = gd->baudrate;
- int i;
-
- i = (pclk / baudrate) % 16;
-
- uart->UBRDIV = pclk / baudrate / 16 - 1;
- uart->UDIVSLOT = udivslot[i];
-
- for (i = 0; i < 100; i++)
- barrier();
-}
-
-/*
- * Initialise the serial port with the given baudrate. The settings
- * are always 8 data bits, no parity, 1 stop bit, no start bits.
- */
-static int s3c64xx_serial_init(void)
-{
- s3c64xx_uart *const uart = s3c64xx_get_base_uart(UART_NR);
-
- /* reset and enable FIFOs, set triggers to the maximum */
- uart->UFCON = 0xff;
- uart->UMCON = 0;
- /* 8N1 */
- uart->ULCON = 3;
- /* No interrupts, no DMA, pure polling */
- uart->UCON = 5;
-
- serial_setbrg();
-
- return 0;
-}
-
-/*
- * Read a single byte from the serial port. Returns 1 on success, 0
- * otherwise. When the function is succesfull, the character read is
- * written into its argument c.
- */
-static int s3c64xx_serial_getc(void)
-{
- s3c64xx_uart *const uart = s3c64xx_get_base_uart(UART_NR);
-
- /* wait for character to arrive */
- while (!(uart->UTRSTAT & 0x1));
-
- return uart->URXH & 0xff;
-}
-
-#ifdef CONFIG_MODEM_SUPPORT
-static int be_quiet;
-void disable_putc(void)
-{
- be_quiet = 1;
-}
-
-void enable_putc(void)
-{
- be_quiet = 0;
-}
-#endif
-
-
-/*
- * Output a single byte to the serial port.
- */
-static void s3c64xx_serial_putc(const char c)
-{
- s3c64xx_uart *const uart = s3c64xx_get_base_uart(UART_NR);
-
-#ifdef CONFIG_MODEM_SUPPORT
- if (be_quiet)
- return;
-#endif
-
- /* wait for room in the tx FIFO */
- while (!(uart->UTRSTAT & 0x2));
-
- uart->UTXH = c;
-
- /* If \n, also do \r */
- if (c == '\n')
- serial_putc('\r');
-}
-
-/*
- * Test whether a character is in the RX buffer
- */
-static int s3c64xx_serial_tstc(void)
-{
- s3c64xx_uart *const uart = s3c64xx_get_base_uart(UART_NR);
-
- return uart->UTRSTAT & 0x1;
-}
-
-static struct serial_device s3c64xx_serial_drv = {
- .name = "s3c64xx_serial",
- .start = s3c64xx_serial_init,
- .stop = NULL,
- .setbrg = s3c64xx_serial_setbrg,
- .putc = s3c64xx_serial_putc,
- .puts = default_serial_puts,
- .getc = s3c64xx_serial_getc,
- .tstc = s3c64xx_serial_tstc,
-};
-
-void s3c64xx_serial_initialize(void)
-{
- serial_register(&s3c64xx_serial_drv);
-}
-
-__weak struct serial_device *default_serial_console(void)
-{
- return &s3c64xx_serial_drv;
-}
diff --git a/drivers/serial/serial.c b/drivers/serial/serial.c
index 7922bf0..9f04643 100644
--- a/drivers/serial/serial.c
+++ b/drivers/serial/serial.c
@@ -165,7 +165,6 @@ serial_initfunc(atmel_serial_initialize);
serial_initfunc(lpc32xx_serial_initialize);
serial_initfunc(mcf_serial_initialize);
serial_initfunc(oc_serial_initialize);
-serial_initfunc(s3c64xx_serial_initialize);
serial_initfunc(sandbox_serial_initialize);
serial_initfunc(clps7111_serial_initialize);
serial_initfunc(imx_serial_initialize);
@@ -259,7 +258,6 @@ void serial_initialize(void)
lpc32xx_serial_initialize();
mcf_serial_initialize();
oc_serial_initialize();
- s3c64xx_serial_initialize();
sandbox_serial_initialize();
clps7111_serial_initialize();
imx_serial_initialize();
diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile
index 9a6f982..87a5970 100644
--- a/drivers/usb/host/Makefile
+++ b/drivers/usb/host/Makefile
@@ -31,7 +31,6 @@ COBJS-$(CONFIG_USB_ATMEL) += ohci-at91.o
COBJS-$(CONFIG_USB_OHCI_DA8XX) += ohci-da8xx.o
COBJS-$(CONFIG_USB_ISP116X_HCD) += isp116x-hcd.o
COBJS-$(CONFIG_USB_R8A66597_HCD) += r8a66597-hcd.o
-COBJS-$(CONFIG_USB_S3C64XX) += s3c64xx-hcd.o
COBJS-$(CONFIG_USB_SL811HS) += sl811-hcd.o
COBJS-$(CONFIG_USB_OHCI_S3C24XX) += ohci-s3c24xx.o
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index bdbe250..bc17b85 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -66,7 +66,6 @@
#if defined(CONFIG_ARM920T) || \
defined(CONFIG_S3C24X0) || \
- defined(CONFIG_S3C6400) || \
defined(CONFIG_440EP) || \
defined(CONFIG_PCI_OHCI) || \
defined(CONFIG_MPC5200) || \
diff --git a/drivers/usb/host/s3c64xx-hcd.c b/drivers/usb/host/s3c64xx-hcd.c
deleted file mode 100644
index cd295da..0000000
--- a/drivers/usb/host/s3c64xx-hcd.c
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- * URB OHCI HCD (Host Controller Driver) initialization for USB on the S3C64XX.
- *
- * Copyright (C) 2008,
- * Guennadi Liakhovetski, DENX Software Engineering <lg@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 <common.h>
-#include <asm/arch/s3c6400.h>
-
-int usb_cpu_init(void)
-{
- OTHERS_REG |= 0x10000;
- return 0;
-}
-
-int usb_cpu_stop(void)
-{
- OTHERS_REG &= ~0x10000;
- return 0;
-}
-
-void usb_cpu_init_fail(void)
-{
- OTHERS_REG &= ~0x10000;
-}