-/*\r
- * (C) Copyright 2010 Samsung Electronics\r
- *\r
- * See file CREDITS for list of people who contributed to this\r
- * project.\r
- *\r
- * This program is free software; you can redistribute it and/or\r
- * modify it under the terms of the GNU General Public License as\r
- * published by the Free Software Foundation; either version 2 of\r
- * the License, or (at your option) any later version.\r
- *\r
- * This program is distributed in the hope that it will be useful,\r
- * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
- * GNU General Public License for more details.\r
- *\r
- * You should have received a copy of the GNU General Public License\r
- * along with this program; if not, write to the Free Software\r
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,\r
- * MA 02111-1307 USA\r
- */\r
-\r
-#include <common.h>\r
-#include <linux/mtd/compat.h>\r
-#include <linux/mtd/mtd.h>\r
-#include <linux/mtd/onenand.h>\r
-#include <asm/io.h>\r
-#include <asm/arch/gpio.h>\r
-#include <asm/arch/keypad.h>\r
-#include "../../../onenand.h"\r
-\r
-typedef int (init_fnc_t) (void);\r
-\r
-DECLARE_GLOBAL_DATA_PTR;\r
-\r
-static struct s5pc110_gpio *s5pc110_gpio;\r
-\r
-static void sdelay(unsigned long usec)\r
-{\r
- ulong kv;\r
-\r
- do {\r
- kv = 0x100000;\r
- while (kv-- > 0) {\r
- }\r
- usec--;\r
- } while(usec);\r
-}\r
-\r
-static int check_keypad(void)\r
-{\r
- unsigned int condition = 0;\r
- unsigned int reg, value;\r
- unsigned int col_num, row_num;\r
- unsigned int col_mask;\r
- unsigned int col_mask_shift;\r
- unsigned int row_state[4] = {0, 0, 0, 0};\r
- unsigned int i;\r
-\r
- /* board is limo universal */\r
-\r
- row_num = 2;\r
- col_num = 3;\r
-\r
- for (i = 0; i < sizeof(row_state)/sizeof(int); i++) {\r
- row_state[i] = 0;\r
- }\r
- \r
- for (i = 0; i < row_num; i++) {\r
- /* Set GPH3[3:0] to KP_ROW[3:0] */\r
- gpio_cfg_pin(&s5pc110_gpio->gpio_h3, i, 0x3);\r
- gpio_set_pull(&s5pc110_gpio->gpio_h3, i, GPIO_PULL_UP);\r
- }\r
-\r
- for (i = 0; i < col_num; i++)\r
- /* Set GPH2[3:0] to KP_COL[3:0] */\r
- gpio_cfg_pin(&s5pc110_gpio->gpio_h2, i, 0x3);\r
-\r
- reg = S5PC110_KEYPAD_BASE;\r
- col_mask = S5PC110_KEYIFCOLEN_MASK;\r
- col_mask_shift = 8;\r
-\r
- /* KEYIFCOL reg clear */\r
- writel(0, reg + S5PC1XX_KEYIFCOL_OFFSET);\r
-\r
- /* key_scan */\r
- for (i = 0; i < col_num; i++) {\r
- value = col_mask;\r
- value &= ~(1 << i) << col_mask_shift;\r
-\r
- writel(value, reg + S5PC1XX_KEYIFCOL_OFFSET);\r
- sdelay(1000);\r
-\r
- value = readl(reg + S5PC1XX_KEYIFROW_OFFSET);\r
- row_state[i] = ~value & ((1 << row_num) - 1);\r
- }\r
-\r
- /* KEYIFCOL reg clear */\r
- writel(0, reg + S5PC1XX_KEYIFCOL_OFFSET);\r
-\r
- /* check volume up/down */\r
- if ((row_state[1] & 0x3) == 0x3) {\r
- condition = 1;\r
- }\r
-\r
- return condition;\r
-}\r
-\r
-static int check_block(void)\r
-{\r
- struct onenand_op *onenand_ops = onenand_get_interface();\r
- struct mtd_info *mtd = onenand_ops->mtd;\r
- struct onenand_chip *this = mtd->priv;\r
- int i;\r
- int page_to_check = 4;\r
- int ret, retlen = 0;\r
- ulong blocksize = 1 << this->erase_shift;\r
- ulong pagesize = 1 << this->page_shift;\r
- u_char *down_ram_addr = (unsigned char *)CONFIG_SYS_DOWN_ADDR;\r
- ulong uboot_start_addr = CONFIG_RECOVERY_BOOTSTART_BLOCK << this->erase_shift;\r
- u_char verify_buf[0x10];\r
-\r
- onenand_ops->read(uboot_start_addr, blocksize, &retlen, down_ram_addr, 0);\r
- if (retlen != blocksize)\r
- {\r
- return 1;\r
- }\r
-\r
- memset(verify_buf, 0xFF, sizeof(verify_buf));\r
-\r
- for (i = 0; i < page_to_check; i++) {\r
- ret = memcmp(down_ram_addr + pagesize*i, verify_buf, sizeof(verify_buf));\r
- if (ret)\r
- {\r
- break;\r
- }\r
- }\r
-\r
- if (i == page_to_check) {\r
- return 1;\r
- }\r
- \r
- return 0;\r
-}\r
-\r
-int board_check_condition(void)\r
-{\r
- if (check_keypad()) {\r
- return 1;\r
- }\r
- \r
- if (check_block()) {\r
- return 1;\r
- }\r
-\r
- return 0;\r
-}\r
-\r
-int board_load_uboot(unsigned char *buf)\r
-{\r
- struct mtd_info *mtd = &onenand_mtd;\r
- struct onenand_chip *this = mtd->priv;\r
- int offset;\r
- size_t size;\r
- size_t ret;\r
-\r
- offset = CONFIG_RECOVERY_BOOTSTART_BLOCK << this->erase_shift;\r
- size = CONFIG_SYS_MONITOR_LEN;\r
-\r
- mtd->read(mtd, offset, size, &ret, buf);\r
-\r
- if (size != ret) {\r
- return -1;\r
- }\r
- \r
- return 0;\r
-}\r
-\r
-int board_update_uboot(void)\r
-{\r
- return 0;\r
-}\r
-\r
-void board_recovery_init(void)\r
-{\r
- /* Set Initial global variables */\r
- s5pc110_gpio = (struct s5pc110_gpio *) S5PC110_GPIO_BASE;\r
-}\r
-\r
+/*
+ * (C) Copyright 2010 Samsung Electronics
+ *
+ * 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 <linux/mtd/compat.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/onenand.h>
+#include <asm/io.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/keypad.h>
+#include "../../../onenand.h"
+
+typedef int (init_fnc_t) (void);
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static struct s5pc110_gpio *s5pc110_gpio;
+
+static void sdelay(unsigned long usec)
+{
+ ulong kv;
+
+ do {
+ kv = 0x100000;
+ while (kv)
+ kv--;
+ usec--;
+ } while (usec);
+}
+
+static int check_keypad(void)
+{
+ unsigned int condition = 0;
+ unsigned int reg, value;
+ unsigned int col_num, row_num;
+ unsigned int col_mask;
+ unsigned int col_mask_shift;
+ unsigned int row_state[4] = {0, 0, 0, 0};
+ unsigned int i;
+
+ /* board is limo universal */
+
+ row_num = 2;
+ col_num = 3;
+
+ for (i = 0; i < sizeof(row_state)/sizeof(int); i++)
+ row_state[i] = 0;
+
+ for (i = 0; i < row_num; i++) {
+ /* Set GPH3[3:0] to KP_ROW[3:0] */
+ gpio_cfg_pin(&s5pc110_gpio->gpio_h3, i, 0x3);
+ gpio_set_pull(&s5pc110_gpio->gpio_h3, i, GPIO_PULL_UP);
+ }
+
+ for (i = 0; i < col_num; i++)
+ /* Set GPH2[3:0] to KP_COL[3:0] */
+ gpio_cfg_pin(&s5pc110_gpio->gpio_h2, i, 0x3);
+
+ reg = S5PC110_KEYPAD_BASE;
+ col_mask = S5PC110_KEYIFCOLEN_MASK;
+ col_mask_shift = 8;
+
+ /* KEYIFCOL reg clear */
+ writel(0, reg + S5PC1XX_KEYIFCOL_OFFSET);
+
+ /* key_scan */
+ for (i = 0; i < col_num; i++) {
+ value = col_mask;
+ value &= ~(1 << i) << col_mask_shift;
+
+ writel(value, reg + S5PC1XX_KEYIFCOL_OFFSET);
+ sdelay(1000);
+
+ value = readl(reg + S5PC1XX_KEYIFROW_OFFSET);
+ row_state[i] = ~value & ((1 << row_num) - 1);
+ }
+
+ /* KEYIFCOL reg clear */
+ writel(0, reg + S5PC1XX_KEYIFCOL_OFFSET);
+
+ /* check volume up/down */
+ if ((row_state[1] & 0x3) == 0x3)
+ condition = 1;
+
+ return condition;
+}
+
+static int check_block(void)
+{
+ struct onenand_op *onenand_ops = onenand_get_interface();
+ struct mtd_info *mtd = onenand_ops->mtd;
+ struct onenand_chip *this = mtd->priv;
+ int i;
+ int page_to_check = 4;
+ int ret, retlen = 0;
+ ulong blocksize = 1 << this->erase_shift;
+ ulong pagesize = 1 << this->page_shift;
+ u_char *down_ram_addr;
+ ulong uboot_addr;
+ u_char verify_buf[0x10];
+
+ down_ram_addr = (unsigned char *)CONFIG_SYS_DOWN_ADDR;
+ uboot_addr = CONFIG_RECOVERY_UBOOT_BLOCK << this->erase_shift;
+
+ onenand_ops->read(uboot_addr, blocksize, &retlen, down_ram_addr, 0);
+ if (retlen != blocksize)
+ return 1;
+
+ memset(verify_buf, 0xFF, sizeof(verify_buf));
+
+ for (i = 0; i < page_to_check; i++) {
+ ret = memcmp(down_ram_addr + pagesize*i, verify_buf,
+ sizeof(verify_buf));
+ if (ret)
+ break;
+ }
+
+ if (i == page_to_check)
+ return 1;
+
+ return 0;
+}
+
+int board_check_condition(void)
+{
+ if (check_keypad())
+ return 1;
+
+ if (check_block())
+ return 1;
+
+ return 0;
+}
+
+int board_load_uboot(unsigned char *buf)
+{
+ struct mtd_info *mtd = &onenand_mtd;
+ struct onenand_chip *this = mtd->priv;
+ int offset;
+ size_t size;
+ size_t ret;
+
+ offset = CONFIG_RECOVERY_UBOOT_BLOCK << this->erase_shift;
+ size = CONFIG_SYS_MONITOR_LEN;
+
+ mtd->read(mtd, offset, size, &ret, buf);
+
+ if (size != ret)
+ return -1;
+
+ return 0;
+}
+
+void board_recovery_init(void)
+{
+ /* Set Initial global variables */
+ s5pc110_gpio = (struct s5pc110_gpio *) S5PC110_GPIO_BASE;
+}
#ifdef printk
#undef printk
#endif
-#define printk(...) do{} while(0)
-#define puts(...) do{} while(0)
+#define printk(...) do {} while (0)
+#define puts(...) do {} while (0)
#ifdef printf
#undef printf
#endif
-#define printf(...) do{} while(0)
+#define printf(...) do {} while (0)
struct mtd_info onenand_mtd;
struct onenand_chip onenand_chip;
static loff_t next_ofs;
static loff_t skip_ofs;
-static inline int str2long(char *p, ulong *num)
-{
- char *endptr;
-
- *num = simple_strtoul(p, &endptr, 16);
- return (*p != '\0' && *endptr == '\0') ? 1 : 0;
-}
-#if 0
-static int arg_off_size(int argc, char *argv[], ulong *off, ssize_t *size)
-{
- if (argc >= 1) {
- if (!(str2long(argv[0], off))) {
- printf("'%s' is not a number\n", argv[0]);
- return -1;
- }
- } else {
- *off = 0;
- }
-
- if (argc >= 2) {
- if (!(str2long(argv[1], (ulong *)size))) {
- printf("'%s' is not a number\n", argv[1]);
- return -1;
- }
- } else {
- *size = mtd->size - *off;
- }
-
- if ((*off + *size) > mtd->size) {
- printf("total chip size (0x%llx) exceeded!\n", mtd->size);
- return -1;
- }
-#if 0
- if (*size == mtd->size)
- puts("whole chip\n");
- else
- printf("offset 0x%lx, size 0x%x\n", *off, *size);
-#endif
- return 0;
-}
-#endif
static int onenand_block_read(loff_t from, ssize_t len,
ssize_t *retlen, u_char *buf, int oob)
{
ret = mtd->block_isbad(mtd, ofs);
if (ret) {
- printk("Bad blocks %d at 0x%x\n",
+ printf("Bad blocks %d at 0x%x\n",
(u32)(ofs >> this->erase_shift), (u32)ofs);
ofs += blocksize;
/* FIXME need to check how to handle the 'len' */
ops.retlen = 0;
ret = mtd->read_oob(mtd, ofs, &ops);
if (ret) {
- printk("Read failed 0x%x, %d\n", (u32)ofs, ret);
+ printf("Read failed 0x%x, %d\n", (u32)ofs, ret);
ofs += thislen;
continue;
}
ret = mtd->block_isbad(mtd, ofs);
if (ret) {
- printk("Bad blocks %d at 0x%x\n",
+ printf("Bad blocks %d at 0x%x\n",
(u32)(ofs >> this->erase_shift), (u32)ofs);
skip_ofs += blocksize;
goto next;
ops.retlen = 0;
ret = mtd->write_oob(mtd, ofs, &ops);
if (ret) {
- printk("Write failed 0x%x, %d", (u32)ofs, ret);
+ printf("Write failed 0x%x, %d", (u32)ofs, ret);
skip_ofs += thislen;
goto next;
}
return 0;
}
-#if 0
-static int onenand_dump(struct mtd_info *mtd, ulong off, int only_oob)
-{
- int i;
- u_char *datbuf, *oobbuf, *p;
- struct mtd_oob_ops ops;
- loff_t addr;
-
- datbuf = malloc(mtd->writesize + mtd->oobsize);
- oobbuf = malloc(mtd->oobsize);
- if (!datbuf || !oobbuf) {
- puts("No memory for page buffer\n");
- return 1;
- }
- off &= ~(mtd->writesize - 1);
- addr = (loff_t) off;
- memset(&ops, 0, sizeof(ops));
- ops.datbuf = datbuf;
- ops.oobbuf = oobbuf; /* must exist, but oob data will be appended to ops.datbuf */
- ops.len = mtd->writesize;
- ops.ooblen = mtd->oobsize;
- ops.retlen = 0;
- i = mtd->read_oob(mtd, addr, &ops);
- if (i < 0) {
- printf("Error (%d) reading page %08lx\n", i, off);
- free(datbuf);
- free(oobbuf);
- return 1;
- }
- printf("Page %08lx dump:\n", off);
- i = mtd->writesize >> 4;
- p = datbuf;
-
- while (i--) {
- if (!only_oob)
- printf("\t%02x %02x %02x %02x %02x %02x %02x %02x"
- " %02x %02x %02x %02x %02x %02x %02x %02x\n",
- p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7],
- p[8], p[9], p[10], p[11], p[12], p[13], p[14],
- p[15]);
- p += 16;
- }
- puts("OOB:\n");
- p = oobbuf;
- i = mtd->oobsize >> 3;
- while (i--) {
- printf("\t%02x %02x %02x %02x %02x %02x %02x %02x\n",
- p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]);
- p += 8;
- }
- free(datbuf);
- free(oobbuf);
- return 0;
-}
-#endif
void onenand_set_interface(struct onenand_op *onenand)
{
onenand->read = onenand_block_read;
onenand->write = onenand_block_write;
onenand->erase = onenand_block_erase;
-
+
onenand->mtd = &onenand_mtd;
onenand->this = &onenand_chip;
}
onenand_scan(&onenand_mtd, 1);
-#if 0
- if (onenand_chip.device_id & DEVICE_IS_FLEXONENAND)
- puts("Flex-");
- puts("OneNAND: ");
- print_size(onenand_chip.chipsize, "\n");
-#endif
-
-#if 0
- /*
- * Add MTD device so that we can reference it later
- * via the mtdcore infrastructure (e.g. ubi).
- */
- onenand_mtd.name = dev_name;
- add_mtd_device(&onenand_mtd);
-#else
onenand_set_interface(&onenand_ops);
-#endif
}
projects / kernel / u-boot.git / commitdiff