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| author | Wolfgang Grandegger <wg@grandegger.com> | 2009-02-11 18:38:24 +0100 |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2009-03-23 15:53:41 -0500 |
| commit | 16f2f5a351004129e79e79816697a367fd9e5446 (patch) | |
| tree | 3f65194eb59fc8f49ecdaaecbbdbb929abcd488f | |
| parent | 33846df28fa1f4cf96a96c18142d48d813caa892 (diff) | |
| download | u-boot-imx-16f2f5a351004129e79e79816697a367fd9e5446.zip u-boot-imx-16f2f5a351004129e79e79816697a367fd9e5446.tar.gz u-boot-imx-16f2f5a351004129e79e79816697a367fd9e5446.tar.bz2 | |
Add multi-chip NAND support for the TQM8548 modules
This patches configures the NAND UPM-FSL driver with multi-chip
support for the Micron MT29F8G08FAB NAND flash memory on the
TQM8548 modules.
Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>
| -rw-r--r-- | board/tqc/tqm85xx/nand.c | 5 | ||||
| -rw-r--r-- | include/configs/TQM85xx.h | 32 |
2 files changed, 11 insertions, 26 deletions
diff --git a/board/tqc/tqm85xx/nand.c b/board/tqc/tqm85xx/nand.c index 8133fdc..3da689a 100644 --- a/board/tqc/tqm85xx/nand.c +++ b/board/tqc/tqm85xx/nand.c @@ -385,7 +385,7 @@ static void upmb_write (u_char addr, ulong val) MxMR_OP_WARR | (addr & MxMR_MAD_MSK)); /* dummy access to perform write */ - out_8 ((void __iomem *)CONFIG_SYS_NAND0_BASE, 0); + out_8 ((void __iomem *)CONFIG_SYS_NAND_BASE, 0); clrbits_be32(&lbc->mbmr, MxMR_OP_WARR); } @@ -446,7 +446,10 @@ static struct fsl_upm_nand fun = { .width = 8, .upm_cmd_offset = 0x08, .upm_addr_offset = 0x10, + .upm_mar_chip_offset = CONFIG_SYS_NAND_CS_DIST, + .chip_offset = CONFIG_SYS_NAND_CS_DIST, .chip_delay = NAND_BIG_DELAY_US, + .wait_flags = FSL_UPM_WAIT_RUN_PATTERN | FSL_UPM_WAIT_WRITE_BUFFER, }; void board_nand_select_device (struct nand_chip *nand, int chip) diff --git a/include/configs/TQM85xx.h b/include/configs/TQM85xx.h index 72db26c..2ef24cd 100644 --- a/include/configs/TQM85xx.h +++ b/include/configs/TQM85xx.h @@ -371,35 +371,17 @@ #define CONFIG_SYS_NAND_CS_DIST 0x200 #define CONFIG_SYS_NAND_SIZE 0x8000 -#define CONFIG_SYS_NAND0_BASE (CONFIG_SYS_CCSRBAR + 0x03010000) -#define CONFIG_SYS_NAND1_BASE (CONFIG_SYS_NAND0_BASE + CONFIG_SYS_NAND_CS_DIST) -#define CONFIG_SYS_NAND2_BASE (CONFIG_SYS_NAND1_BASE + CONFIG_SYS_NAND_CS_DIST) -#define CONFIG_SYS_NAND3_BASE (CONFIG_SYS_NAND2_BASE + CONFIG_SYS_NAND_CS_DIST) - -#define CONFIG_SYS_MAX_NAND_DEVICE 2 /* Max number of NAND devices */ - -#if (CONFIG_SYS_MAX_NAND_DEVICE == 1) -#define CONFIG_SYS_NAND_BASE_LIST { CONFIG_SYS_NAND0_BASE } -#elif (CONFIG_SYS_MAX_NAND_DEVICE == 2) -#define CONFIG_SYS_NAND_QUIET_TEST 1 -#define CONFIG_SYS_NAND_BASE_LIST { CONFIG_SYS_NAND0_BASE, \ - CONFIG_SYS_NAND1_BASE, \ -} -#elif (CONFIG_SYS_MAX_NAND_DEVICE == 4) -#define CONFIG_SYS_NAND_QUIET_TEST 1 -#define CONFIG_SYS_NAND_BASE_LIST { CONFIG_SYS_NAND0_BASE, \ - CONFIG_SYS_NAND1_BASE, \ - CONFIG_SYS_NAND2_BASE, \ - CONFIG_SYS_NAND3_BASE, \ -} -#endif +#define CONFIG_SYS_NAND_BASE (CONFIG_SYS_CCSRBAR + 0x03010000) + +#define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND devices */ +#define CONFIG_SYS_NAND_MAX_CHIPS 2 /* Number of chips per device */ /* CS3 for NAND Flash */ -#define CONFIG_SYS_BR3_PRELIM ((CONFIG_SYS_NAND0_BASE & BR_BA) | BR_PS_8 | \ - BR_MS_UPMB | BR_V) +#define CONFIG_SYS_BR3_PRELIM ((CONFIG_SYS_NAND_BASE & BR_BA) | \ + BR_PS_8 | BR_MS_UPMB | BR_V) #define CONFIG_SYS_OR3_PRELIM (P2SZ_TO_AM(CONFIG_SYS_NAND_SIZE) | OR_UPM_BI) -#define NAND_BIG_DELAY_US 25 /* max tR for Samsung devices */ +#define NAND_BIG_DELAY_US 25 /* max tR for Samsung devices */ #endif /* CONFIG_NAND */ |