+// SPDX-License-Identifier: GPL-2.0-or-later
+
/***************************************************************************
* Copyright (C) 2007 by Dominic Rath *
* Dominic.Rath@gmx.de *
* Based on a combination of the lpc3180 driver and code from *
* uboot-2009.03-lpc32xx by Kevin Wells. *
* Any bugs are mine. --BSt *
- * *
- * 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. *
***************************************************************************/
+
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
static int lpc32xx_reset(struct nand_device *nand);
static int lpc32xx_controller_ready(struct nand_device *nand, int timeout);
static int lpc32xx_tc_ready(struct nand_device *nand, int timeout);
-extern int nand_correct_data(struct nand_device *nand, u_char *dat,
- u_char *read_ecc, u_char *calc_ecc);
/* These are offset with the working area in IRAM when using DMA to
* read/write data to the SLC controller.
* - DMA descriptors will be put at start of working area,
* - Hardware generated ECC will be stored at ECC_OFFS
- * - OOB wil be read/written from/to SPARE_OFFS
+ * - OOB will be read/written from/to SPARE_OFFS
* - Actual page data will be read from/to DATA_OFFS
* There are unused holes between the used areas.
*/
#define SPARE_OFFS 0x140
#define DATA_OFFS 0x200
-static int sp_ooblayout[] = {
+static const int sp_ooblayout[] = {
10, 11, 12, 13, 14, 15
};
-static int lp_ooblayout[] = {
+static const int lp_ooblayout[] = {
40, 41, 42, 43, 44, 45,
46, 47, 48, 49, 50, 51,
52, 53, 54, 55, 56, 57,
58, 59, 60, 61, 62, 63
};
-typedef struct {
+struct dmac_ll {
volatile uint32_t dma_src;
volatile uint32_t dma_dest;
volatile uint32_t next_lli;
volatile uint32_t next_ctrl;
-} dmac_ll_t;
+};
-static dmac_ll_t dmalist[(2048/256) * 2 + 1];
+static struct dmac_ll dmalist[(2048/256) * 2 + 1];
/* nand device lpc32xx <target#> <oscillator_frequency>
*/
NAND_DEVICE_COMMAND_HANDLER(lpc32xx_nand_device_command)
{
- if (CMD_ARGC < 3) {
- LOG_WARNING("incomplete 'lpc32xx' nand flash configuration");
- return ERROR_FLASH_BANK_INVALID;
- }
+ if (CMD_ARGC < 3)
+ return ERROR_COMMAND_SYNTAX_ERROR;
uint32_t osc_freq;
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], osc_freq);
if ((lpc32xx_info->osc_freq < 1000) || (lpc32xx_info->osc_freq > 20000))
LOG_WARNING("LPC32xx oscillator frequency should be between "
- "1000 and 20000 kHz, was %i",
- lpc32xx_info->osc_freq);
+ "1000 and 20000 kHz, was %i",
+ lpc32xx_info->osc_freq);
- lpc32xx_info->selected_controller = LPC32xx_NO_CONTROLLER;
+ lpc32xx_info->selected_controller = LPC32XX_NO_CONTROLLER;
lpc32xx_info->sw_write_protection = 0;
lpc32xx_info->sw_wp_lower_bound = 0x0;
lpc32xx_info->sw_wp_upper_bound = 0x0;
if (!lock)
LOG_WARNING("PLL is not locked");
- if (!bypass && direct) /* direct mode */
+ if (!bypass && direct) /* direct mode */
return (m * fclkin) / n;
- if (bypass && !direct) /* bypass mode */
+ if (bypass && !direct) /* bypass mode */
return fclkin / (2 * p);
- if (bypass & direct) /* direct bypass mode */
+ if (bypass & direct) /* direct bypass mode */
return fclkin;
- if (feedback) /* integer mode */
+ if (feedback) /* integer mode */
return m * (fclkin / n);
- else /* non-integer mode */
+ else /* non-integer mode */
return (m / (2 * p)) * (fclkin / n);
}
/* determine current SYSCLK (13'MHz or main oscillator) */
retval = target_read_u32(target, 0x40004050, &sysclk_ctrl);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not read SYSCLK_CTRL");
return ERROR_NAND_OPERATION_FAILED;
}
/* determine selected HCLK source */
retval = target_read_u32(target, 0x40004044, &pwr_ctrl);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not read HCLK_CTRL");
return ERROR_NAND_OPERATION_FAILED;
}
- if ((pwr_ctrl & (1 << 2)) == 0) { /* DIRECT RUN mode */
+ if ((pwr_ctrl & (1 << 2)) == 0) /* DIRECT RUN mode */
hclk = sysclk;
- } else {
+ else {
retval = target_read_u32(target, 0x40004058, &hclkpll_ctrl);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not read HCLKPLL_CTRL");
return ERROR_NAND_OPERATION_FAILED;
}
hclk_pll = lpc32xx_pll(sysclk, hclkpll_ctrl);
retval = target_read_u32(target, 0x40004040, &hclkdiv_ctrl);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not read CLKDIV_CTRL");
return ERROR_NAND_OPERATION_FAILED;
}
- if (pwr_ctrl & (1 << 10)) /* ARM_CLK and HCLK use PERIPH_CLK */
+ if (pwr_ctrl & (1 << 10)) /* ARM_CLK and HCLK use PERIPH_CLK */
hclk = hclk_pll / (((hclkdiv_ctrl & 0x7c) >> 2) + 1);
- else /* HCLK uses HCLK_PLL */
+ else /* HCLK uses HCLK_PLL */
hclk = hclk_pll / (1 << (hclkdiv_ctrl & 0x3));
}
{
struct lpc32xx_nand_controller *lpc32xx_info = nand->controller_priv;
struct target *target = nand->target;
- int bus_width = nand->bus_width ? : 8;
- int address_cycles = nand->address_cycles ? : 3;
- int page_size = nand->page_size ? : 512;
+ int bus_width = nand->bus_width ? nand->bus_width : 8;
+ int address_cycles = nand->address_cycles ? nand->address_cycles : 3;
+ int page_size = nand->page_size ? nand->page_size : 512;
int retval;
if (target->state != TARGET_HALTED) {
LOG_ERROR("target must be halted to use LPC32xx "
- "NAND flash controller");
+ "NAND flash controller");
return ERROR_NAND_OPERATION_FAILED;
}
/* inform calling code about selected bus width */
nand->bus_width = bus_width;
- if ((address_cycles != 3) && (address_cycles != 4)) {
+ if ((address_cycles < 3) || (address_cycles > 5)) {
LOG_ERROR("LPC32xx driver doesn't support %i address cycles", address_cycles);
return ERROR_NAND_OPERATION_NOT_SUPPORTED;
}
}
/* select MLC controller if none is currently selected */
- if (lpc32xx_info->selected_controller == LPC32xx_NO_CONTROLLER) {
+ if (lpc32xx_info->selected_controller == LPC32XX_NO_CONTROLLER) {
LOG_DEBUG("no LPC32xx NAND flash controller selected, "
- "using default 'slc'");
- lpc32xx_info->selected_controller = LPC32xx_SLC_CONTROLLER;
+ "using default 'slc'");
+ lpc32xx_info->selected_controller = LPC32XX_SLC_CONTROLLER;
}
- if (lpc32xx_info->selected_controller == LPC32xx_MLC_CONTROLLER) {
+ if (lpc32xx_info->selected_controller == LPC32XX_MLC_CONTROLLER) {
uint32_t mlc_icr_value = 0x0;
float cycle;
int twp, twh, trp, treh, trhz, trbwb, tcea;
/* FLASHCLK_CTRL = 0x22 (enable clk for MLC) */
retval = target_write_u32(target, 0x400040c8, 0x22);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set FLASHCLK_CTRL");
return ERROR_NAND_OPERATION_FAILED;
}
/* MLC_CEH = 0x0 (Force nCE assert) */
retval = target_write_u32(target, 0x200b804c, 0x0);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set MLC_CEH");
return ERROR_NAND_OPERATION_FAILED;
}
/* MLC_LOCK = 0xa25e (unlock protected registers) */
retval = target_write_u32(target, 0x200b8044, 0xa25e);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set MLC_LOCK");
return ERROR_NAND_OPERATION_FAILED;
}
if (bus_width == 16)
mlc_icr_value |= 0x1;
retval = target_write_u32(target, 0x200b8030, mlc_icr_value);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set MLC_ICR");
return ERROR_NAND_OPERATION_FAILED;
}
/* MLC_LOCK = 0xa25e (unlock protected registers) */
retval = target_write_u32(target, 0x200b8044, 0xa25e);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set MLC_LOCK");
return ERROR_NAND_OPERATION_FAILED;
}
/* MLC_TIME_REG */
retval = target_write_u32(target, 0x200b8034,
- (twp & 0xf)
- | ((twh & 0xf) << 4)
- | ((trp & 0xf) << 8)
- | ((treh & 0xf) << 12)
- | ((trhz & 0x7) << 16)
- | ((trbwb & 0x1f) << 19)
- | ((tcea & 0x3) << 24));
- if (ERROR_OK != retval) {
+ (twp & 0xf)
+ | ((twh & 0xf) << 4)
+ | ((trp & 0xf) << 8)
+ | ((treh & 0xf) << 12)
+ | ((trhz & 0x7) << 16)
+ | ((trbwb & 0x1f) << 19)
+ | ((tcea & 0x3) << 24));
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set MLC_TIME_REG");
return ERROR_NAND_OPERATION_FAILED;
}
retval = lpc32xx_reset(nand);
- if (ERROR_OK != retval)
+ if (retval != ERROR_OK)
return ERROR_NAND_OPERATION_FAILED;
- } else if (lpc32xx_info->selected_controller == LPC32xx_SLC_CONTROLLER) {
+ } else if (lpc32xx_info->selected_controller == LPC32XX_SLC_CONTROLLER) {
float cycle;
int r_setup, r_hold, r_width, r_rdy;
int w_setup, w_hold, w_width, w_rdy;
/* FLASHCLK_CTRL = 0x05 (enable clk for SLC) */
retval = target_write_u32(target, 0x400040c8, 0x05);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set FLASHCLK_CTRL");
return ERROR_NAND_OPERATION_FAILED;
}
/* after reset set other registers of SLC,
- * so reset calling is here at the begining
+ * so reset calling is here at the beginning
*/
retval = lpc32xx_reset(nand);
- if (ERROR_OK != retval)
+ if (retval != ERROR_OK)
return ERROR_NAND_OPERATION_FAILED;
/* SLC_CFG =
WIDTH = bus_width)
*/
retval = target_write_u32(target, 0x20020014,
- 0x3e | (bus_width == 16) ? 1 : 0);
- if (ERROR_OK != retval) {
+ 0x3e | ((bus_width == 16) ? 1 : 0));
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set SLC_CFG");
return ERROR_NAND_OPERATION_FAILED;
}
/* SLC_IEN = 3 (INT_RDY_EN = 1) ,(INT_TC_STAT = 1) */
retval = target_write_u32(target, 0x20020020, 0x03);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set SLC_IEN");
return ERROR_NAND_OPERATION_FAILED;
}
/* DMACLK_CTRL = 0x01 (enable clock for DMA controller) */
retval = target_write_u32(target, 0x400040e8, 0x01);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set DMACLK_CTRL");
return ERROR_NAND_OPERATION_FAILED;
}
/* DMACConfig = DMA enabled*/
retval = target_write_u32(target, 0x31000030, 0x01);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set DMACConfig");
return ERROR_NAND_OPERATION_FAILED;
}
/* SLC_TAC: SLC timing arcs register */
retval = target_write_u32(target, 0x2002002c,
- (r_setup & 0xf)
- | ((r_hold & 0xf) << 4)
- | ((r_width & 0xf) << 8)
- | ((r_rdy & 0xf) << 12)
- | ((w_setup & 0xf) << 16)
- | ((w_hold & 0xf) << 20)
- | ((w_width & 0xf) << 24)
- | ((w_rdy & 0xf) << 28));
- if (ERROR_OK != retval) {
+ (r_setup & 0xf)
+ | ((r_hold & 0xf) << 4)
+ | ((r_width & 0xf) << 8)
+ | ((r_rdy & 0xf) << 12)
+ | ((w_setup & 0xf) << 16)
+ | ((w_hold & 0xf) << 20)
+ | ((w_width & 0xf) << 24)
+ | ((w_rdy & 0xf) << 28));
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set SLC_TAC");
return ERROR_NAND_OPERATION_FAILED;
}
if (target->state != TARGET_HALTED) {
LOG_ERROR("target must be halted to use "
- "LPC32xx NAND flash controller");
+ "LPC32xx NAND flash controller");
return ERROR_NAND_OPERATION_FAILED;
}
- if (lpc32xx_info->selected_controller == LPC32xx_NO_CONTROLLER) {
+ if (lpc32xx_info->selected_controller == LPC32XX_NO_CONTROLLER) {
LOG_ERROR("BUG: no LPC32xx NAND flash controller selected");
return ERROR_NAND_OPERATION_FAILED;
- } else if (lpc32xx_info->selected_controller == LPC32xx_MLC_CONTROLLER) {
+ } else if (lpc32xx_info->selected_controller == LPC32XX_MLC_CONTROLLER) {
/* MLC_CMD = 0xff (reset controller and NAND device) */
retval = target_write_u32(target, 0x200b8000, 0xff);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set MLC_CMD");
return ERROR_NAND_OPERATION_FAILED;
}
if (!lpc32xx_controller_ready(nand, 100)) {
LOG_ERROR("LPC32xx MLC NAND controller timed out "
- "after reset");
+ "after reset");
return ERROR_NAND_OPERATION_TIMEOUT;
}
- } else if (lpc32xx_info->selected_controller == LPC32xx_SLC_CONTROLLER) {
+ } else if (lpc32xx_info->selected_controller == LPC32XX_SLC_CONTROLLER) {
/* SLC_CTRL = 0x6 (ECC_CLEAR, SW_RESET) */
retval = target_write_u32(target, 0x20020010, 0x6);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set SLC_CTRL");
return ERROR_NAND_OPERATION_FAILED;
}
- if (!lpc32xx_controller_ready(nand, 100))
- {
+ if (!lpc32xx_controller_ready(nand, 100)) {
LOG_ERROR("LPC32xx SLC NAND controller timed out "
- "after reset");
+ "after reset");
return ERROR_NAND_OPERATION_TIMEOUT;
}
}
if (target->state != TARGET_HALTED) {
LOG_ERROR("target must be halted to use "
- "LPC32xx NAND flash controller");
+ "LPC32xx NAND flash controller");
return ERROR_NAND_OPERATION_FAILED;
}
- if (lpc32xx_info->selected_controller == LPC32xx_NO_CONTROLLER) {
+ if (lpc32xx_info->selected_controller == LPC32XX_NO_CONTROLLER) {
LOG_ERROR("BUG: no LPC32xx NAND flash controller selected");
return ERROR_NAND_OPERATION_FAILED;
- } else if (lpc32xx_info->selected_controller == LPC32xx_MLC_CONTROLLER) {
+ } else if (lpc32xx_info->selected_controller == LPC32XX_MLC_CONTROLLER) {
/* MLC_CMD = command */
retval = target_write_u32(target, 0x200b8000, command);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set MLC_CMD");
return ERROR_NAND_OPERATION_FAILED;
}
- } else if (lpc32xx_info->selected_controller == LPC32xx_SLC_CONTROLLER) {
+ } else if (lpc32xx_info->selected_controller == LPC32XX_SLC_CONTROLLER) {
/* SLC_CMD = command */
retval = target_write_u32(target, 0x20020008, command);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set SLC_CMD");
return ERROR_NAND_OPERATION_FAILED;
}
if (target->state != TARGET_HALTED) {
LOG_ERROR("target must be halted to use "
- "LPC32xx NAND flash controller");
+ "LPC32xx NAND flash controller");
return ERROR_NAND_OPERATION_FAILED;
}
- if (lpc32xx_info->selected_controller == LPC32xx_NO_CONTROLLER) {
+ if (lpc32xx_info->selected_controller == LPC32XX_NO_CONTROLLER) {
LOG_ERROR("BUG: no LPC32xx NAND flash controller selected");
return ERROR_NAND_OPERATION_FAILED;
- } else if (lpc32xx_info->selected_controller == LPC32xx_MLC_CONTROLLER) {
+ } else if (lpc32xx_info->selected_controller == LPC32XX_MLC_CONTROLLER) {
/* MLC_ADDR = address */
retval = target_write_u32(target, 0x200b8004, address);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set MLC_ADDR");
return ERROR_NAND_OPERATION_FAILED;
}
- } else if (lpc32xx_info->selected_controller == LPC32xx_SLC_CONTROLLER) {
+ } else if (lpc32xx_info->selected_controller == LPC32XX_SLC_CONTROLLER) {
/* SLC_ADDR = address */
retval = target_write_u32(target, 0x20020004, address);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set SLC_ADDR");
return ERROR_NAND_OPERATION_FAILED;
}
if (target->state != TARGET_HALTED) {
LOG_ERROR("target must be halted to use "
- "LPC32xx NAND flash controller");
+ "LPC32xx NAND flash controller");
return ERROR_NAND_OPERATION_FAILED;
}
- if (lpc32xx_info->selected_controller == LPC32xx_NO_CONTROLLER) {
+ if (lpc32xx_info->selected_controller == LPC32XX_NO_CONTROLLER) {
LOG_ERROR("BUG: no LPC32xx NAND flash controller selected");
return ERROR_NAND_OPERATION_FAILED;
- } else if (lpc32xx_info->selected_controller == LPC32xx_MLC_CONTROLLER) {
+ } else if (lpc32xx_info->selected_controller == LPC32XX_MLC_CONTROLLER) {
/* MLC_DATA = data */
retval = target_write_u32(target, 0x200b0000, data);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set MLC_DATA");
return ERROR_NAND_OPERATION_FAILED;
}
- } else if (lpc32xx_info->selected_controller == LPC32xx_SLC_CONTROLLER) {
+ } else if (lpc32xx_info->selected_controller == LPC32XX_SLC_CONTROLLER) {
/* SLC_DATA = data */
retval = target_write_u32(target, 0x20020000, data);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set SLC_DATA");
return ERROR_NAND_OPERATION_FAILED;
}
if (target->state != TARGET_HALTED) {
LOG_ERROR("target must be halted to use LPC32xx "
- "NAND flash controller");
+ "NAND flash controller");
return ERROR_NAND_OPERATION_FAILED;
}
- if (lpc32xx_info->selected_controller == LPC32xx_NO_CONTROLLER) {
+ if (lpc32xx_info->selected_controller == LPC32XX_NO_CONTROLLER) {
LOG_ERROR("BUG: no LPC32xx NAND flash controller selected");
return ERROR_NAND_OPERATION_FAILED;
- } else if (lpc32xx_info->selected_controller == LPC32xx_MLC_CONTROLLER) {
+ } else if (lpc32xx_info->selected_controller == LPC32XX_MLC_CONTROLLER) {
/* data = MLC_DATA, use sized access */
if (nand->bus_width == 8) {
uint8_t *data8 = data;
LOG_ERROR("BUG: bus_width neither 8 nor 16 bit");
return ERROR_NAND_OPERATION_FAILED;
}
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not read MLC_DATA");
return ERROR_NAND_OPERATION_FAILED;
}
- } else if (lpc32xx_info->selected_controller == LPC32xx_SLC_CONTROLLER) {
+ } else if (lpc32xx_info->selected_controller == LPC32XX_SLC_CONTROLLER) {
uint32_t data32;
/* data = SLC_DATA, must use 32-bit access */
retval = target_read_u32(target, 0x20020000, &data32);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not read SLC_DATA");
return ERROR_NAND_OPERATION_FAILED;
}
}
static int lpc32xx_write_page_mlc(struct nand_device *nand, uint32_t page,
- uint8_t *data, uint32_t data_size,
- uint8_t *oob, uint32_t oob_size)
+ uint8_t *data, uint32_t data_size,
+ uint8_t *oob, uint32_t oob_size)
{
struct target *target = nand->target;
int retval;
/* MLC_CMD = sequential input */
retval = target_write_u32(target, 0x200b8000, NAND_CMD_SEQIN);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set MLC_CMD");
return ERROR_NAND_OPERATION_FAILED;
}
if (nand->page_size == 512) {
/* MLC_ADDR = 0x0 (one column cycle) */
retval = target_write_u32(target, 0x200b8004, 0x0);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set MLC_ADDR");
return ERROR_NAND_OPERATION_FAILED;
}
/* MLC_ADDR = row */
retval = target_write_u32(target, 0x200b8004, page & 0xff);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set MLC_ADDR");
return ERROR_NAND_OPERATION_FAILED;
}
retval = target_write_u32(target, 0x200b8004,
- (page >> 8) & 0xff);
- if (ERROR_OK != retval) {
+ (page >> 8) & 0xff);
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set MLC_ADDR");
return ERROR_NAND_OPERATION_FAILED;
}
if (nand->address_cycles == 4) {
retval = target_write_u32(target, 0x200b8004,
- (page >> 16) & 0xff);
- if (ERROR_OK != retval) {
+ (page >> 16) & 0xff);
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set MLC_ADDR");
return ERROR_NAND_OPERATION_FAILED;
}
} else {
/* MLC_ADDR = 0x0 (two column cycles) */
retval = target_write_u32(target, 0x200b8004, 0x0);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set MLC_ADDR");
return ERROR_NAND_OPERATION_FAILED;
}
retval = target_write_u32(target, 0x200b8004, 0x0);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set MLC_ADDR");
return ERROR_NAND_OPERATION_FAILED;
}
/* MLC_ADDR = row */
retval = target_write_u32(target, 0x200b8004, page & 0xff);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set MLC_ADDR");
return ERROR_NAND_OPERATION_FAILED;
}
retval = target_write_u32(target, 0x200b8004,
- (page >> 8) & 0xff);
- if (ERROR_OK != retval) {
+ (page >> 8) & 0xff);
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set MLC_ADDR");
return ERROR_NAND_OPERATION_FAILED;
}
/* write MLC_ECC_ENC_REG to start encode cycle */
retval = target_write_u32(target, 0x200b8008, 0x0);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set MLC_ECC_ENC_REG");
return ERROR_NAND_OPERATION_FAILED;
}
retval = target_write_memory(target, 0x200a8000,
4, 128, page_buffer);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set MLC_BUF (data)");
return ERROR_NAND_OPERATION_FAILED;
}
retval = target_write_memory(target, 0x200a8000,
1, 6, oob_buffer);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set MLC_BUF (oob)");
return ERROR_NAND_OPERATION_FAILED;
}
/* write MLC_ECC_AUTO_ENC_REG to start auto encode */
retval = target_write_u32(target, 0x200b8010, 0x0);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set MLC_ECC_AUTO_ENC_REG");
return ERROR_NAND_OPERATION_FAILED;
}
if (!lpc32xx_controller_ready(nand, 1000)) {
LOG_ERROR("timeout while waiting for "
- "completion of auto encode cycle");
+ "completion of auto encode cycle");
return ERROR_NAND_OPERATION_FAILED;
}
}
/* MLC_CMD = auto program command */
retval = target_write_u32(target, 0x200b8000, NAND_CMD_PAGEPROG);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set MLC_CMD");
return ERROR_NAND_OPERATION_FAILED;
}
- if ((retval = nand_read_status(nand, &status)) != ERROR_OK) {
+ retval = nand_read_status(nand, &status);
+ if (retval != ERROR_OK) {
LOG_ERROR("couldn't read status");
return ERROR_NAND_OPERATION_FAILED;
}
if (status & NAND_STATUS_FAIL) {
LOG_ERROR("write operation didn't pass, status: 0x%2.2x",
- status);
+ status);
return ERROR_NAND_OPERATION_FAILED;
}
* target.
*/
static int lpc32xx_make_dma_list(uint32_t target_mem_base, uint32_t page_size,
- int do_read)
+ int do_read)
{
uint32_t i, dmasrc, ctrl, ecc_ctrl, oob_ctrl, dmadst;
* 2. Copy generated ECC data from Register to Spare Area
* 3. X'fer next 256 bytes of data from Memory to Flash.
* 4. Copy generated ECC data from Register to Spare Area.
- * 5. X'fer 16 byets of Spare area from Memory to Flash.
+ * 5. X'fer 16 bytes of Spare area from Memory to Flash.
* Read Operation Sequence for Small Block NAND
* ----------------------------------------------------------
* 1. X'fer 256 bytes of data from Flash to Memory.
* 5. X'fer 16 bytes of Spare area from Flash to Memory.
* Write Operation Sequence for Large Block NAND
* ----------------------------------------------------------
- * 1. Steps(1-4) of Write Operations repeate for four times
+ * 1. Steps(1-4) of Write Operations repeated for four times
* which generates 16 DMA descriptors to X'fer 2048 bytes of
* data & 32 bytes of ECC data.
* 2. X'fer 64 bytes of Spare area from Memory to Flash.
* Read Operation Sequence for Large Block NAND
* ----------------------------------------------------------
- * 1. Steps(1-4) of Read Operations repeate for four times
+ * 1. Steps(1-4) of Read Operations repeated for four times
* which generates 16 DMA descriptors to X'fer 2048 bytes of
* data & 32 bytes of ECC data.
* 2. X'fer 64 bytes of Spare area from Flash to Memory.
*/
ctrl = (0x40 | 3 << 12 | 3 << 15 | 2 << 18 | 2 << 21 | 0 << 24
- | 0 << 25 | 0 << 26 | 0 << 27 | 0 << 31);
+ | 0 << 25 | 0 << 26 | 0 << 27 | 0 << 31);
/* DMACCxControl =
TransferSize =1,
Terminal count interrupt enable bit = 0
*/
ecc_ctrl = 0x01 | 1 << 12 | 1 << 15 | 2 << 18 | 2 << 21 | 0 << 24
- | 0 << 25 | 0 << 26 | 1 << 27 | 0 << 31;
+ | 0 << 25 | 0 << 26 | 1 << 27 | 0 << 31;
/* DMACCxControl =
TransferSize =16 for lp or 4 for sp,
Terminal count interrupt enable bit = 1 // set on last
*/
oob_ctrl = (page_size == 2048 ? 0x10 : 0x04)
- | 3 << 12 | 3 << 15 | 2 << 18 | 2 << 21 | 0 << 24
- | 0 << 25 | 0 << 26 | 0 << 27 | 1 << 31;
+ | 3 << 12 | 3 << 15 | 2 << 18 | 2 << 21 | 0 << 24
+ | 0 << 25 | 0 << 26 | 0 << 27 | 1 << 31;
if (do_read) {
- ctrl |= 1 << 27; /* Destination increment = 1 */
- oob_ctrl |= 1 << 27; /* Destination increment = 1 */
- dmasrc = 0x20020038; /* SLC_DMA_DATA */
+ ctrl |= 1 << 27;/* Destination increment = 1 */
+ oob_ctrl |= 1 << 27; /* Destination increment = 1 */
+ dmasrc = 0x20020038; /* SLC_DMA_DATA */
dmadst = target_mem_base + DATA_OFFS;
} else {
- ctrl |= 1 << 26; /* Source increment = 1 */
- oob_ctrl |= 1 << 26; /* Source increment = 1 */
+ ctrl |= 1 << 26;/* Source increment = 1 */
+ oob_ctrl |= 1 << 26; /* Source increment = 1 */
dmasrc = target_mem_base + DATA_OFFS;
- dmadst = 0x20020038; /* SLC_DMA_DATA */
+ dmadst = 0x20020038; /* SLC_DMA_DATA */
}
/*
* Write Operation Sequence for Small Block NAND
* 2. Copy generated ECC data from Register to Spare Area
* 3. X'fer next 256 bytes of data from Memory to Flash.
* 4. Copy generated ECC data from Register to Spare Area.
- * 5. X'fer 16 byets of Spare area from Memory to Flash.
+ * 5. X'fer 16 bytes of Spare area from Memory to Flash.
* Read Operation Sequence for Small Block NAND
* ----------------------------------------------------------
* 1. X'fer 256 bytes of data from Flash to Memory.
* 5. X'fer 16 bytes of Spare area from Flash to Memory.
* Write Operation Sequence for Large Block NAND
* ----------------------------------------------------------
- * 1. Steps(1-4) of Write Operations repeate for four times
+ * 1. Steps(1-4) of Write Operations repeated for four times
* which generates 16 DMA descriptors to X'fer 2048 bytes of
* data & 32 bytes of ECC data.
* 2. X'fer 64 bytes of Spare area from Memory to Flash.
* Read Operation Sequence for Large Block NAND
* ----------------------------------------------------------
- * 1. Steps(1-4) of Read Operations repeate for four times
+ * 1. Steps(1-4) of Read Operations repeated for four times
* which generates 16 DMA descriptors to X'fer 2048 bytes of
* data & 32 bytes of ECC data.
* 2. X'fer 64 bytes of Spare area from Flash to Memory.
*/
- for (i = 0; i < page_size/0x100; i++)
- {
+ for (i = 0; i < page_size/0x100; i++) {
dmalist[i*2].dma_src = (do_read ? dmasrc : (dmasrc + i * 256));
dmalist[i*2].dma_dest = (do_read ? (dmadst + i * 256) : dmadst);
dmalist[i*2].next_lli =
- target_mem_base + (i*2 + 1) * sizeof(dmac_ll_t);
+ target_mem_base + (i*2 + 1) * sizeof(struct dmac_ll);
dmalist[i*2].next_ctrl = ctrl;
- dmalist[(i*2) + 1].dma_src = 0x20020034; /* SLC_ECC */
+ dmalist[(i*2) + 1].dma_src = 0x20020034;/* SLC_ECC */
dmalist[(i*2) + 1].dma_dest =
target_mem_base + ECC_OFFS + i * 4;
dmalist[(i*2) + 1].next_lli =
- target_mem_base + (i*2 + 2) * sizeof(dmac_ll_t);
+ target_mem_base + (i*2 + 2) * sizeof(struct dmac_ll);
dmalist[(i*2) + 1].next_ctrl = ecc_ctrl;
}
if (do_read)
- {
dmadst = target_mem_base + SPARE_OFFS;
- } else {
+ else {
dmasrc = target_mem_base + SPARE_OFFS;
- dmalist[(i*2) - 1].next_lli = 0; /* last link = null on write */
- dmalist[(i*2) - 1].next_ctrl |= (1 << 31); /* Set TC enable */
+ dmalist[(i*2) - 1].next_lli = 0;/* last link = null on write */
+ dmalist[(i*2) - 1].next_ctrl |= (1 << 31); /* Set TC enable */
}
dmalist[i*2].dma_src = dmasrc;
dmalist[i*2].dma_dest = dmadst;
dmalist[i*2].next_lli = 0;
dmalist[i*2].next_ctrl = oob_ctrl;
- return (i*2 + 1); /* Number of descriptors */
+ return i * 2 + 1; /* Number of descriptors */
}
static int lpc32xx_start_slc_dma(struct nand_device *nand, uint32_t count,
- int do_wait)
+ int do_wait)
{
struct target *target = nand->target;
int retval;
/* DMACIntTCClear = ch0 */
retval = target_write_u32(target, 0x31000008, 1);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("Could not set DMACIntTCClear");
return retval;
}
-
+
/* DMACIntErrClear = ch0 */
retval = target_write_u32(target, 0x31000010, 1);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("Could not set DMACIntErrClear");
return retval;
}
-
+
/* DMACCxConfig=
E=1,
SrcPeripheral = 1 (SLC),
H=0
*/
retval = target_write_u32(target, 0x31000110,
- 1 | 1<<1 | 1<<6 | 2<<11 | 0<<14
- | 0<<15 | 0<<16 | 0<<18);
- if (ERROR_OK != retval) {
+ 1 | 1<<1 | 1<<6 | 2<<11 | 0<<14
+ | 0<<15 | 0<<16 | 0<<18);
+ if (retval != ERROR_OK) {
LOG_ERROR("Could not set DMACC0Config");
return retval;
}
/* SLC_CTRL = 3 (START DMA), ECC_CLEAR */
retval = target_write_u32(target, 0x20020010, 0x3);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("Could not set SLC_CTRL");
return retval;
}
/* SLC_ICR = 2, INT_TC_CLR, clear pending TC*/
retval = target_write_u32(target, 0x20020028, 2);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("Could not set SLC_ICR");
return retval;
}
/* SLC_TC */
retval = target_write_u32(target, 0x20020030, count);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("lpc32xx_start_slc_dma: Could not set SLC_TC");
return retval;
}
/* Read DMACRawIntTCStat */
retval = target_read_u32(target, 0x31000014, &tc_stat);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("Could not read DMACRawIntTCStat");
return 0;
}
/* Read DMACRawIntErrStat */
retval = target_read_u32(target, 0x31000018, &err_stat);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("Could not read DMACRawIntErrStat");
return 0;
}
if ((tc_stat | err_stat) & 1) {
LOG_DEBUG("lpc32xx_dma_ready count=%d",
- timeout);
+ timeout);
if (err_stat & 1) {
LOG_ERROR("lpc32xx_dma_ready "
- "DMA error, aborted");
+ "DMA error, aborted");
return 0;
- } else {
+ } else
return 1;
- }
}
alive_sleep(1);
return 0;
}
-static uint32_t slc_ecc_copy_to_buffer(uint8_t * spare,
- const uint32_t * ecc, int count)
+static uint32_t slc_ecc_copy_to_buffer(uint8_t *spare,
+ const uint32_t *ecc, int count)
{
int i;
for (i = 0; i < (count * 3); i += 3) {
int addr = 0;
while (oob_size > 0) {
LOG_DEBUG("%02x: %02x %02x %02x %02x %02x %02x %02x %02x", addr,
- oob[0], oob[1], oob[2], oob[3],
- oob[4], oob[5], oob[6], oob[7]);
+ oob[0], oob[1], oob[2], oob[3],
+ oob[4], oob[5], oob[6], oob[7]);
oob += 8;
addr += 8;
oob_size -= 8;
- }
+ }
}
static int lpc32xx_write_page_slc(struct nand_device *nand,
- struct working_area *pworking_area,
- uint32_t page, uint8_t *data,
- uint32_t data_size, uint8_t *oob,
- uint32_t oob_size)
+ struct working_area *pworking_area,
+ uint32_t page, uint8_t *data,
+ uint32_t data_size, uint8_t *oob,
+ uint32_t oob_size)
{
struct target *target = nand->target;
int retval;
uint32_t target_mem_base;
- LOG_DEBUG("SLC write page %x data=%d, oob=%d, "
- "data_size=%d, oob_size=%d",
- page, data != 0, oob != 0, data_size, oob_size);
+ LOG_DEBUG("SLC write page %" PRIx32 " data=%d, oob=%d, "
+ "data_size=%" PRIu32 ", oob_size=%" PRIu32,
+ page, !!data, !!oob, data_size, oob_size);
target_mem_base = pworking_area->address;
- /*
- * Skip writting page which has all 0xFF data as this will
+ /*
+ * Skip writing page which has all 0xFF data as this will
* generate 0x0 value.
*/
if (data && !oob) {
break;
}
if (all_ff)
- return ERROR_OK;
+ return ERROR_OK;
}
/* Make the dma descriptors in local memory */
int nll = lpc32xx_make_dma_list(target_mem_base, nand->page_size, 0);
XXX: Assumes host and target have same byte sex.
*/
retval = target_write_memory(target, target_mem_base, 4,
- nll * sizeof(dmac_ll_t) / 4,
- (uint8_t *)dmalist);
- if (ERROR_OK != retval) {
+ nll * sizeof(struct dmac_ll) / 4,
+ (uint8_t *)dmalist);
+ if (retval != ERROR_OK) {
LOG_ERROR("Could not write DMA descriptors to IRAM");
return retval;
}
retval = nand_page_command(nand, page, NAND_CMD_SEQIN, !data);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("NAND_CMD_SEQIN failed");
return retval;
}
- /* SLC_CFG =
- Force nCE assert,
- DMA ECC enabled,
- ECC enabled,
- DMA burst enabled,
- DMA write to SLC,
- WIDTH = bus_width
+ /* SLC_CFG =
+ Force nCE assert,
+ DMA ECC enabled,
+ ECC enabled,
+ DMA burst enabled,
+ DMA write to SLC,
+ WIDTH = bus_width
*/
retval = target_write_u32(target, 0x20020014, 0x3c);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("Could not set SLC_CFG");
return retval;
}
memset(fdata, 0xFF, nand->page_size);
memcpy(fdata, data, data_size);
retval = target_write_memory(target,
- target_mem_base + DATA_OFFS,
- 4, nand->page_size/4, fdata);
- if (ERROR_OK != retval) {
+ target_mem_base + DATA_OFFS,
+ 4, nand->page_size/4, fdata);
+ if (retval != ERROR_OK) {
LOG_ERROR("Could not write data to IRAM");
return retval;
}
- /* Write first decriptor to DMA controller */
+ /* Write first descriptor to DMA controller */
retval = target_write_memory(target, 0x31000100, 4,
- sizeof(dmac_ll_t) / 4,
- (uint8_t *)dmalist);
- if (ERROR_OK != retval) {
+ sizeof(struct dmac_ll) / 4,
+ (uint8_t *)dmalist);
+ if (retval != ERROR_OK) {
LOG_ERROR("Could not write DMA descriptor to DMAC");
return retval;
}
int tot_size = nand->page_size;
tot_size += tot_size == 2048 ? 64 : 16;
retval = lpc32xx_start_slc_dma(nand, tot_size, 0);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("DMA failed");
return retval;
}
-
+
/* Wait for DMA to finish. SLC is not finished at this stage */
if (!lpc32xx_dma_ready(nand, 100)) {
LOG_ERROR("Data DMA failed during write");
return ERROR_FLASH_OPERATION_FAILED;
}
- } /* data xfer */
+ } /* data xfer */
/* Copy OOB to iram */
static uint8_t foob[64];
int foob_size = nand->page_size == 2048 ? 64 : 16;
memset(foob, 0xFF, foob_size);
- if (oob) { /* Raw mode */
+ if (oob) /* Raw mode */
memcpy(foob, oob, oob_size);
- } else {
+ else {
/* Get HW generated ECC, made while writing data */
int ecc_count = nand->page_size == 2048 ? 8 : 2;
static uint32_t hw_ecc[8];
retval = target_read_memory(target, target_mem_base + ECC_OFFS,
- 4, ecc_count, (uint8_t *)hw_ecc);
- if (ERROR_OK != retval) {
+ 4, ecc_count, (uint8_t *)hw_ecc);
+ if (retval != ERROR_OK) {
LOG_ERROR("Reading hw generated ECC from IRAM failed");
return retval;
}
/* Copy to oob, at correct offsets */
static uint8_t ecc[24];
slc_ecc_copy_to_buffer(ecc, hw_ecc, ecc_count);
- int *layout = nand->page_size == 2048 ? lp_ooblayout : sp_ooblayout;
+ const int *layout = nand->page_size == 2048 ? lp_ooblayout : sp_ooblayout;
int i;
for (i = 0; i < ecc_count * 3; i++)
foob[layout[i]] = ecc[i];
lpc32xx_dump_oob(foob, foob_size);
}
retval = target_write_memory(target, target_mem_base + SPARE_OFFS, 4,
- foob_size / 4, foob);
- if (ERROR_OK != retval) {
+ foob_size / 4, foob);
+ if (retval != ERROR_OK) {
LOG_ERROR("Writing OOB to IRAM failed");
return retval;
}
- /* Write OOB decriptor to DMA controller */
+ /* Write OOB descriptor to DMA controller */
retval = target_write_memory(target, 0x31000100, 4,
- sizeof(dmac_ll_t) / 4,
- (uint8_t *)(&dmalist[nll-1]));
- if (ERROR_OK != retval) {
+ sizeof(struct dmac_ll) / 4,
+ (uint8_t *)(&dmalist[nll-1]));
+ if (retval != ERROR_OK) {
LOG_ERROR("Could not write OOB DMA descriptor to DMAC");
return retval;
}
/* DMACIntTCClear = ch0 */
retval = target_write_u32(target, 0x31000008, 1);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("Could not set DMACIntTCClear");
return retval;
}
/* DMACCxConfig=
- E=1,
- SrcPeripheral = 1 (SLC),
- DestPeripheral = 1 (SLC),
- FlowCntrl = 2 (Pher -> Mem, DMA),
- IE = 0,
- ITC = 0,
- L= 0,
- H=0
+ * E=1,
+ * SrcPeripheral = 1 (SLC),
+ * DestPeripheral = 1 (SLC),
+ * FlowCntrl = 2 (Pher -> Mem, DMA),
+ * IE = 0,
+ * ITC = 0,
+ * L= 0,
+ * H=0
*/
retval = target_write_u32(target, 0x31000110,
- 1 | 1<<1 | 1<<6 | 2<<11 | 0<<14
- | 0<<15 | 0<<16 | 0<<18);
- if (ERROR_OK != retval) {
+ 1 | 1<<1 | 1<<6 | 2<<11 | 0<<14
+ | 0<<15 | 0<<16 | 0<<18);
+ if (retval != ERROR_OK) {
LOG_ERROR("Could not set DMACC0Config");
return retval;
}
/* Wait finish */
if (!lpc32xx_tc_ready(nand, 100)) {
LOG_ERROR("timeout while waiting for "
- "completion of DMA");
+ "completion of DMA");
return ERROR_NAND_OPERATION_FAILED;
}
} else {
/* Start xfer of data from iram to flash using DMA */
retval = lpc32xx_start_slc_dma(nand, foob_size, 1);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("DMA OOB failed");
return retval;
}
/* Let NAND start actual writing */
retval = nand_write_finish(nand);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("nand_write_finish failed");
return retval;
}
}
static int lpc32xx_write_page(struct nand_device *nand, uint32_t page,
- uint8_t *data, uint32_t data_size,
- uint8_t *oob, uint32_t oob_size)
+ uint8_t *data, uint32_t data_size,
+ uint8_t *oob, uint32_t oob_size)
{
struct lpc32xx_nand_controller *lpc32xx_info = nand->controller_priv;
struct target *target = nand->target;
if (target->state != TARGET_HALTED) {
LOG_ERROR("target must be halted to use LPC32xx "
- "NAND flash controller");
+ "NAND flash controller");
return ERROR_NAND_OPERATION_FAILED;
}
- if (lpc32xx_info->selected_controller == LPC32xx_NO_CONTROLLER) {
+ if (lpc32xx_info->selected_controller == LPC32XX_NO_CONTROLLER) {
LOG_ERROR("BUG: no LPC32xx NAND flash controller selected");
return ERROR_NAND_OPERATION_FAILED;
- } else if (lpc32xx_info->selected_controller == LPC32xx_MLC_CONTROLLER) {
+ } else if (lpc32xx_info->selected_controller == LPC32XX_MLC_CONTROLLER) {
if (!data && oob) {
LOG_ERROR("LPC32xx MLC controller can't write "
- "OOB data only");
+ "OOB data only");
return ERROR_NAND_OPERATION_NOT_SUPPORTED;
}
if (oob && (oob_size > 24)) {
LOG_ERROR("LPC32xx MLC controller can't write more "
- "than 6 bytes for each quarter's OOB data");
+ "than 6 bytes for each quarter's OOB data");
return ERROR_NAND_OPERATION_NOT_SUPPORTED;
}
}
retval = lpc32xx_write_page_mlc(nand, page, data, data_size,
- oob, oob_size);
- } else if (lpc32xx_info->selected_controller == LPC32xx_SLC_CONTROLLER) {
+ oob, oob_size);
+ } else if (lpc32xx_info->selected_controller == LPC32XX_SLC_CONTROLLER) {
struct working_area *pworking_area;
if (!data && oob) {
/*
* Anyway the code supports the oob only mode below.
*/
return nand_write_page_raw(nand, page, data,
- data_size, oob, oob_size);
+ data_size, oob, oob_size);
}
retval = target_alloc_working_area(target,
- nand->page_size + DATA_OFFS,
- &pworking_area);
+ nand->page_size + DATA_OFFS,
+ &pworking_area);
if (retval != ERROR_OK) {
LOG_ERROR("Can't allocate working area in "
- "LPC internal RAM");
+ "LPC internal RAM");
return ERROR_FLASH_OPERATION_FAILED;
}
retval = lpc32xx_write_page_slc(nand, pworking_area, page,
- data, data_size, oob, oob_size);
+ data, data_size, oob, oob_size);
target_free_working_area(target, pworking_area);
}
}
static int lpc32xx_read_page_mlc(struct nand_device *nand, uint32_t page,
- uint8_t *data, uint32_t data_size,
- uint8_t *oob, uint32_t oob_size)
+ uint8_t *data, uint32_t data_size,
+ uint8_t *oob, uint32_t oob_size)
{
struct target *target = nand->target;
static uint8_t page_buffer[2048];
/* MLC_CMD = Read0 */
retval = target_write_u32(target, 0x200b8000, NAND_CMD_READ0);
}
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set MLC_CMD");
return ERROR_NAND_OPERATION_FAILED;
}
if (nand->page_size == 512) {
- /* small page device */
- /* MLC_ADDR = 0x0 (one column cycle) */
+ /* small page device
+ * MLC_ADDR = 0x0 (one column cycle) */
retval = target_write_u32(target, 0x200b8004, 0x0);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set MLC_ADDR");
return ERROR_NAND_OPERATION_FAILED;
}
/* MLC_ADDR = row */
retval = target_write_u32(target, 0x200b8004, page & 0xff);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set MLC_ADDR");
return ERROR_NAND_OPERATION_FAILED;
}
retval = target_write_u32(target, 0x200b8004,
- (page >> 8) & 0xff);
- if (ERROR_OK != retval) {
+ (page >> 8) & 0xff);
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set MLC_ADDR");
return ERROR_NAND_OPERATION_FAILED;
}
if (nand->address_cycles == 4) {
retval = target_write_u32(target, 0x200b8004,
- (page >> 16) & 0xff);
- if (ERROR_OK != retval) {
+ (page >> 16) & 0xff);
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set MLC_ADDR");
return ERROR_NAND_OPERATION_FAILED;
}
}
} else {
- /* large page device */
- /* MLC_ADDR = 0x0 (two column cycles) */
+ /* large page device
+ * MLC_ADDR = 0x0 (two column cycles) */
retval = target_write_u32(target, 0x200b8004, 0x0);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set MLC_ADDR");
return ERROR_NAND_OPERATION_FAILED;
}
retval = target_write_u32(target, 0x200b8004, 0x0);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set MLC_ADDR");
return ERROR_NAND_OPERATION_FAILED;
}
/* MLC_ADDR = row */
retval = target_write_u32(target, 0x200b8004, page & 0xff);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set MLC_ADDR");
return ERROR_NAND_OPERATION_FAILED;
}
retval = target_write_u32(target, 0x200b8004,
- (page >> 8) & 0xff);
- if (ERROR_OK != retval) {
+ (page >> 8) & 0xff);
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set MLC_ADDR");
return ERROR_NAND_OPERATION_FAILED;
}
/* MLC_CMD = Read Start */
retval = target_write_u32(target, 0x200b8000,
- NAND_CMD_READSTART);
- if (ERROR_OK != retval) {
+ NAND_CMD_READSTART);
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set MLC_CMD");
return ERROR_NAND_OPERATION_FAILED;
}
while (page_bytes_done < (uint32_t)nand->page_size) {
/* MLC_ECC_AUTO_DEC_REG = dummy */
retval = target_write_u32(target, 0x200b8014, 0xaa55aa55);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set MLC_ECC_AUTO_DEC_REG");
return ERROR_NAND_OPERATION_FAILED;
}
if (!lpc32xx_controller_ready(nand, 1000)) {
LOG_ERROR("timeout while waiting for "
- "completion of auto decode cycle");
+ "completion of auto decode cycle");
return ERROR_NAND_OPERATION_FAILED;
}
retval = target_read_u32(target, 0x200b8048, &mlc_isr);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not read MLC_ISR");
return ERROR_NAND_OPERATION_FAILED;
}
if (mlc_isr & 0x8) {
if (mlc_isr & 0x40) {
LOG_ERROR("uncorrectable error detected: "
- "0x%2.2x", (unsigned)mlc_isr);
+ "0x%2.2x", (unsigned)mlc_isr);
return ERROR_NAND_OPERATION_FAILED;
}
LOG_WARNING("%i symbol error detected and corrected",
- ((int)(((mlc_isr & 0x30) >> 4) + 1)));
+ ((int)(((mlc_isr & 0x30) >> 4) + 1)));
}
if (data) {
retval = target_read_memory(target, 0x200a8000, 4, 128,
- page_buffer + page_bytes_done);
- if (ERROR_OK != retval) {
+ page_buffer + page_bytes_done);
+ if (retval != ERROR_OK) {
LOG_ERROR("could not read MLC_BUF (data)");
return ERROR_NAND_OPERATION_FAILED;
}
if (oob) {
retval = target_read_memory(target, 0x200a8000, 4, 4,
- oob_buffer + oob_bytes_done);
- if (ERROR_OK != retval) {
+ oob_buffer + oob_bytes_done);
+ if (retval != ERROR_OK) {
LOG_ERROR("could not read MLC_BUF (oob)");
return ERROR_NAND_OPERATION_FAILED;
}
}
static int lpc32xx_read_page_slc(struct nand_device *nand,
- struct working_area *pworking_area,
- uint32_t page, uint8_t *data,
- uint32_t data_size, uint8_t *oob,
- uint32_t oob_size)
+ struct working_area *pworking_area,
+ uint32_t page, uint8_t *data,
+ uint32_t data_size, uint8_t *oob,
+ uint32_t oob_size)
{
struct target *target = nand->target;
int retval;
uint32_t target_mem_base;
- LOG_DEBUG("SLC read page %x data=%d, oob=%d",
- page, data_size, oob_size);
+ LOG_DEBUG("SLC read page %" PRIx32 " data=%" PRIu32 ", oob=%" PRIu32,
+ page, data_size, oob_size);
target_mem_base = pworking_area->address;
XXX: Assumes host and target have same byte sex.
*/
retval = target_write_memory(target, target_mem_base, 4,
- nll * sizeof(dmac_ll_t) / 4,
- (uint8_t *)dmalist);
- if (ERROR_OK != retval) {
+ nll * sizeof(struct dmac_ll) / 4,
+ (uint8_t *)dmalist);
+ if (retval != ERROR_OK) {
LOG_ERROR("Could not write DMA descriptors to IRAM");
return retval;
}
retval = nand_page_command(nand, page, NAND_CMD_READ0, 0);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("lpc32xx_read_page_slc: NAND_CMD_READ0 failed");
return retval;
}
- /* SLC_CFG =
- Force nCE assert,
- DMA ECC enabled,
- ECC enabled,
- DMA burst enabled,
- DMA read from SLC,
- WIDTH = bus_width
+ /* SLC_CFG =
+ Force nCE assert,
+ DMA ECC enabled,
+ ECC enabled,
+ DMA burst enabled,
+ DMA read from SLC,
+ WIDTH = bus_width
*/
retval = target_write_u32(target, 0x20020014, 0x3e);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("lpc32xx_read_page_slc: Could not set SLC_CFG");
return retval;
}
- /* Write first decriptor to DMA controller */
+ /* Write first descriptor to DMA controller */
retval = target_write_memory(target, 0x31000100, 4,
- sizeof(dmac_ll_t) / 4, (uint8_t *)dmalist);
- if (ERROR_OK != retval) {
+ sizeof(struct dmac_ll) / 4, (uint8_t *)dmalist);
+ if (retval != ERROR_OK) {
LOG_ERROR("Could not write DMA descriptor to DMAC");
return retval;
}
int tot_size = nand->page_size;
tot_size += nand->page_size == 2048 ? 64 : 16;
retval = lpc32xx_start_slc_dma(nand, tot_size, 1);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("lpc32xx_read_page_slc: DMA read failed");
return retval;
}
/* Copy data from iram */
if (data) {
retval = target_read_memory(target, target_mem_base + DATA_OFFS,
- 4, data_size/4, data);
- if (ERROR_OK != retval) {
+ 4, data_size/4, data);
+ if (retval != ERROR_OK) {
LOG_ERROR("Could not read data from IRAM");
return retval;
}
if (oob) {
/* No error correction, just return data as read from flash */
retval = target_read_memory(target,
- target_mem_base + SPARE_OFFS, 4,
- oob_size/4, oob);
- if (ERROR_OK != retval) {
+ target_mem_base + SPARE_OFFS, 4,
+ oob_size/4, oob);
+ if (retval != ERROR_OK) {
LOG_ERROR("Could not read OOB from IRAM");
return retval;
}
/* Copy OOB from flash, stored in IRAM */
static uint8_t foob[64];
retval = target_read_memory(target, target_mem_base + SPARE_OFFS,
- 4, nand->page_size == 2048 ? 16 : 4, foob);
+ 4, nand->page_size == 2048 ? 16 : 4, foob);
lpc32xx_dump_oob(foob, nand->page_size == 2048 ? 64 : 16);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("Could not read OOB from IRAM");
return retval;
}
/* Copy ECC from HW, generated while reading */
int ecc_count = nand->page_size == 2048 ? 8 : 2;
- static uint32_t hw_ecc[8]; /* max size */
+ static uint32_t hw_ecc[8]; /* max size */
retval = target_read_memory(target, target_mem_base + ECC_OFFS, 4,
- ecc_count, (uint8_t *)hw_ecc);
- if (ERROR_OK != retval) {
+ ecc_count, (uint8_t *)hw_ecc);
+ if (retval != ERROR_OK) {
LOG_ERROR("Could not read hw generated ECC from IRAM");
return retval;
}
static uint8_t ecc[24];
slc_ecc_copy_to_buffer(ecc, hw_ecc, ecc_count);
/* Copy ECC from flash using correct layout */
- static uint8_t fecc[24]; /* max size */
- int *layout = nand->page_size == 2048 ? lp_ooblayout : sp_ooblayout;
+ static uint8_t fecc[24];/* max size */
+ const int *layout = nand->page_size == 2048 ? lp_ooblayout : sp_ooblayout;
int i;
for (i = 0; i < ecc_count * 3; i++)
fecc[i] = foob[layout[i]];
/* Compare ECC and possibly correct data */
for (i = 0; i < ecc_count; i++) {
retval = nand_correct_data(nand, data + 256*i, &fecc[i * 3],
- &ecc[i * 3]);
+ &ecc[i * 3]);
if (retval > 0)
- LOG_WARNING("error detected and corrected: %d/%d",
- page, i);
+ LOG_WARNING("error detected and corrected: %" PRIu32 "/%d",
+ page, i);
if (retval < 0)
break;
}
if (i == ecc_count)
retval = ERROR_OK;
else {
- LOG_ERROR("uncorrectable error detected: %d/%d", page, i);
+ LOG_ERROR("uncorrectable error detected: %" PRIu32 "/%d", page, i);
retval = ERROR_NAND_OPERATION_FAILED;
}
return retval;
}
static int lpc32xx_read_page(struct nand_device *nand, uint32_t page,
- uint8_t *data, uint32_t data_size,
- uint8_t *oob, uint32_t oob_size)
+ uint8_t *data, uint32_t data_size,
+ uint8_t *oob, uint32_t oob_size)
{
struct lpc32xx_nand_controller *lpc32xx_info = nand->controller_priv;
struct target *target = nand->target;
if (target->state != TARGET_HALTED) {
LOG_ERROR("target must be halted to use LPC32xx "
- "NAND flash controller");
+ "NAND flash controller");
return ERROR_NAND_OPERATION_FAILED;
}
- if (lpc32xx_info->selected_controller == LPC32xx_NO_CONTROLLER) {
+ if (lpc32xx_info->selected_controller == LPC32XX_NO_CONTROLLER) {
LOG_ERROR("BUG: no LPC32xx NAND flash controller selected");
return ERROR_NAND_OPERATION_FAILED;
- } else if (lpc32xx_info->selected_controller == LPC32xx_MLC_CONTROLLER) {
+ } else if (lpc32xx_info->selected_controller == LPC32XX_MLC_CONTROLLER) {
if (data_size > (uint32_t)nand->page_size) {
LOG_ERROR("data size exceeds page size");
return ERROR_NAND_OPERATION_NOT_SUPPORTED;
}
retval = lpc32xx_read_page_mlc(nand, page, data, data_size,
- oob, oob_size);
- } else if (lpc32xx_info->selected_controller == LPC32xx_SLC_CONTROLLER) {
+ oob, oob_size);
+ } else if (lpc32xx_info->selected_controller == LPC32XX_SLC_CONTROLLER) {
struct working_area *pworking_area;
- retval = target_alloc_working_area(target,
- nand->page_size + 0x200,
- &pworking_area);
+ retval = target_alloc_working_area(target,
+ nand->page_size + 0x200,
+ &pworking_area);
if (retval != ERROR_OK) {
LOG_ERROR("Can't allocate working area in "
- "LPC internal RAM");
+ "LPC internal RAM");
return ERROR_FLASH_OPERATION_FAILED;
}
retval = lpc32xx_read_page_slc(nand, pworking_area, page,
- data, data_size, oob, oob_size);
- target_free_working_area(target, pworking_area);
+ data, data_size, oob, oob_size);
+ target_free_working_area(target, pworking_area);
}
return retval;
if (target->state != TARGET_HALTED) {
LOG_ERROR("target must be halted to use LPC32xx "
- "NAND flash controller");
+ "NAND flash controller");
return ERROR_NAND_OPERATION_FAILED;
}
LOG_DEBUG("lpc32xx_controller_ready count start=%d", timeout);
do {
- if (lpc32xx_info->selected_controller == LPC32xx_MLC_CONTROLLER) {
+ if (lpc32xx_info->selected_controller == LPC32XX_MLC_CONTROLLER) {
uint8_t status;
/* Read MLC_ISR, wait for controller to become ready */
retval = target_read_u8(target, 0x200b8048, &status);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set MLC_STAT");
return ERROR_NAND_OPERATION_FAILED;
}
if (status & 2) {
LOG_DEBUG("lpc32xx_controller_ready count=%d",
- timeout);
+ timeout);
return 1;
}
- } else if (lpc32xx_info->selected_controller == LPC32xx_SLC_CONTROLLER) {
+ } else if (lpc32xx_info->selected_controller == LPC32XX_SLC_CONTROLLER) {
uint32_t status;
/* Read SLC_STAT and check READY bit */
retval = target_read_u32(target, 0x20020018, &status);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not set SLC_STAT");
return ERROR_NAND_OPERATION_FAILED;
}
if (status & 1) {
LOG_DEBUG("lpc32xx_controller_ready count=%d",
- timeout);
+ timeout);
return 1;
}
}
if (target->state != TARGET_HALTED) {
LOG_ERROR("target must be halted to use LPC32xx "
- "NAND flash controller");
+ "NAND flash controller");
return ERROR_NAND_OPERATION_FAILED;
}
LOG_DEBUG("lpc32xx_nand_ready count start=%d", timeout);
do {
- if (lpc32xx_info->selected_controller == LPC32xx_MLC_CONTROLLER) {
+ if (lpc32xx_info->selected_controller == LPC32XX_MLC_CONTROLLER) {
uint8_t status = 0x0;
/* Read MLC_ISR, wait for NAND flash device to
* become ready */
retval = target_read_u8(target, 0x200b8048, &status);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not read MLC_ISR");
return ERROR_NAND_OPERATION_FAILED;
}
if (status & 1) {
LOG_DEBUG("lpc32xx_nand_ready count end=%d",
- timeout);
+ timeout);
return 1;
}
- } else if (lpc32xx_info->selected_controller == LPC32xx_SLC_CONTROLLER) {
+ } else if (lpc32xx_info->selected_controller == LPC32XX_SLC_CONTROLLER) {
uint32_t status = 0x0;
/* Read SLC_STAT and check READY bit */
retval = target_read_u32(target, 0x20020018, &status);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("could not read SLC_STAT");
return ERROR_NAND_OPERATION_FAILED;
}
if (status & 1) {
LOG_DEBUG("lpc32xx_nand_ready count end=%d",
- timeout);
+ timeout);
return 1;
}
}
int retval;
/* Read SLC_INT_STAT and check INT_TC_STAT bit */
retval = target_read_u32(target, 0x2002001c, &status);
- if (ERROR_OK != retval) {
+ if (retval != ERROR_OK) {
LOG_ERROR("Could not read SLC_INT_STAT");
return 0;
}
- if (status & 2){
+ if (status & 2) {
LOG_DEBUG("lpc32xx_tc_ready count=%d", timeout);
return 1;
}
"no", "mlc", "slc"
};
- if ((CMD_ARGC < 1) || (CMD_ARGC > 3)) {
+ if ((CMD_ARGC < 1) || (CMD_ARGC > 3))
return ERROR_COMMAND_SYNTAX_ERROR;
- }
unsigned num;
COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], num);
struct nand_device *nand = get_nand_device_by_num(num);
if (!nand) {
- command_print(CMD_CTX, "nand device '#%s' is out of bounds",
- CMD_ARGV[0]);
+ command_print(CMD, "nand device '#%s' is out of bounds",
+ CMD_ARGV[0]);
return ERROR_OK;
}
if (CMD_ARGC >= 2) {
if (strcmp(CMD_ARGV[1], "mlc") == 0) {
lpc32xx_info->selected_controller =
- LPC32xx_MLC_CONTROLLER;
+ LPC32XX_MLC_CONTROLLER;
} else if (strcmp(CMD_ARGV[1], "slc") == 0) {
lpc32xx_info->selected_controller =
- LPC32xx_SLC_CONTROLLER;
- } else {
+ LPC32XX_SLC_CONTROLLER;
+ } else
return ERROR_COMMAND_SYNTAX_ERROR;
- }
}
- command_print(CMD_CTX, "%s controller selected",
- selected[lpc32xx_info->selected_controller]);
+ command_print(CMD, "%s controller selected",
+ selected[lpc32xx_info->selected_controller]);
return ERROR_OK;
}
.name = "lpc32xx",
.mode = COMMAND_ANY,
.help = "LPC32xx NAND flash controller commands",
+ .usage = "",
.chain = lpc32xx_exec_command_handlers,
},
COMMAND_REGISTRATION_DONE
Code Review / openocd.git / blobdiff