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bsp/lpc24xx: Use RAS and CAS of 2 for IS42S32800B

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This commit is contained in:
Sebastian Huber
2012-06-13 13:54:36 +02:00
parent e4bda0469b
commit 3e600b206d
1 changed files with 2 additions and 18 deletions
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20
c/src/lib/libbsp/arm/lpc24xx/startup/start-config-emc-dynamic.c
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@@ -241,7 +241,8 @@ BSP_START_DATA_SECTION const lpc24xx_emc_dynamic_chip_config
.mode = 0xa0000000 | (0x23 << (1 + 2 + 8)) .mode = 0xa0000000 | (0x23 << (1 + 2 + 8))
} }
#elif defined(LPC24XX_EMC_W9825G2JB75I) \ #elif defined(LPC24XX_EMC_W9825G2JB75I) \
|| defined(LPC24XX_EMC_IS42S32800D7) || defined(LPC24XX_EMC_IS42S32800D7) \
|| defined(LPC24XX_EMC_IS42S32800B)
{ {
.chip_select = (volatile lpc_emc_dynamic *) &EMC_DYN_CFG0, .chip_select = (volatile lpc_emc_dynamic *) &EMC_DYN_CFG0,
@@ -261,23 +262,6 @@ BSP_START_DATA_SECTION const lpc24xx_emc_dynamic_chip_config
.rascas = EMC_DYN_RASCAS_RAS(3) | EMC_DYN_RASCAS_CAS(3, 0), .rascas = EMC_DYN_RASCAS_RAS(3) | EMC_DYN_RASCAS_CAS(3, 0),
.mode = 0xa0000000 | (0x33 << 12) .mode = 0xa0000000 | (0x33 << 12)
} }
#elif defined(LPC24XX_EMC_IS42S32800B)
{
.chip_select = (volatile lpc_emc_dynamic *) &EMC_DYN_CFG0,
/* 256MBit, 8Mx32, 4 banks, row = 12, column = 9, RBC */
.config = 0x4480,
#if LPC24XX_EMCCLK == 72000000U
.rascas = EMC_DYN_RASCAS_RAS(3) | EMC_DYN_RASCAS_CAS(3, 0),
.mode = 0xa0000000 | (0x32 << (2 + 2 + 9))
#elif LPC24XX_EMCCLK == 60000000U
.rascas = EMC_DYN_RASCAS_RAS(2) | EMC_DYN_RASCAS_CAS(2, 0),
.mode = 0xa0000000 | (0x22 << (2 + 2 + 9))
#else
#error "unexpected EMCCLK"
#endif
}
#endif #endif
}; };