diff options
Diffstat (limited to 'arch/arm/cpu/armv7/omap4/sdram_elpida.c')
| -rw-r--r-- | arch/arm/cpu/armv7/omap4/sdram_elpida.c | 41 | 
1 files changed, 34 insertions, 7 deletions
| diff --git a/arch/arm/cpu/armv7/omap4/sdram_elpida.c b/arch/arm/cpu/armv7/omap4/sdram_elpida.c index d76dde719..67a79261f 100644 --- a/arch/arm/cpu/armv7/omap4/sdram_elpida.c +++ b/arch/arm/cpu/armv7/omap4/sdram_elpida.c @@ -60,6 +60,20 @@ static const struct emif_regs emif_regs_elpida_380_mhz_1cs = {  	.emif_ddr_phy_ctlr_1		= 0x049ff418  }; +const struct emif_regs emif_regs_elpida_400_mhz_1cs = { +	.sdram_config_init		= 0x80800eb2, +	.sdram_config			= 0x80801ab2, +	.ref_ctrl			= 0x00000618, +	.sdram_tim1			= 0x10eb0662, +	.sdram_tim2			= 0x20370dd2, +	.sdram_tim3			= 0x00b1c33f, +	.read_idle_ctrl			= 0x000501ff, +	.zq_config			= 0x500b3215, +	.temp_alert_config		= 0x58016893, +	.emif_ddr_phy_ctlr_1_init	= 0x049ffff5, +	.emif_ddr_phy_ctlr_1		= 0x049ff418 +}; +  const struct emif_regs emif_regs_elpida_400_mhz_2cs = {  	.sdram_config_init		= 0x80000eb9,  	.sdram_config			= 0x80001ab9, @@ -107,8 +121,10 @@ static void emif_get_reg_dump_sdp(u32 emif_nr, const struct emif_regs **regs)  		*regs = &emif_regs_elpida_380_mhz_1cs;  	else if (omap4_rev == OMAP4430_ES2_0)  		*regs = &emif_regs_elpida_200_mhz_2cs; -	else +	else if (omap4_rev < OMAP4470_ES1_0)  		*regs = &emif_regs_elpida_400_mhz_2cs; +	else +		*regs = &emif_regs_elpida_400_mhz_1cs;  }  void emif_get_reg_dump(u32 emif_nr, const struct emif_regs **regs)  	__attribute__((weak, alias("emif_get_reg_dump_sdp"))); @@ -138,20 +154,31 @@ static const struct lpddr2_device_details elpida_2G_S4_details = {  	.manufacturer	= LPDDR2_MANUFACTURER_ELPIDA  }; +static const struct lpddr2_device_details elpida_4G_S4_details = { +	.type		= LPDDR2_TYPE_S4, +	.density	= LPDDR2_DENSITY_4Gb, +	.io_width	= LPDDR2_IO_WIDTH_32, +	.manufacturer	= LPDDR2_MANUFACTURER_ELPIDA +}; +  struct lpddr2_device_details *emif_get_device_details_sdp(u32 emif_nr, u8 cs,  			struct lpddr2_device_details *lpddr2_dev_details)  {  	u32 omap_rev = omap_revision();  	/* EMIF1 & EMIF2 have identical configuration */ -	if ((omap_rev == OMAP4430_ES1_0) && (cs == CS1)) { -		/* Nothing connected on CS1 for ES1.0 */ +	if (((omap_rev == OMAP4430_ES1_0) || (omap_rev == OMAP4470_ES1_0)) +		&& (cs == CS1)) { +		/* Nothing connected on CS1 for 4430/4470 ES1.0 */  		return NULL; -	} else { -		/* In all other cases Elpida 2G device */ +	} else if (omap_rev < OMAP4470_ES1_0) { +		/* In all other 4430/4460 cases Elpida 2G device */  		*lpddr2_dev_details = elpida_2G_S4_details; -		return lpddr2_dev_details; +	} else { +		/* 4470: 4G device */ +		*lpddr2_dev_details = elpida_4G_S4_details;  	} +	return lpddr2_dev_details;  }  struct lpddr2_device_details *emif_get_device_details(u32 emif_nr, u8 cs, @@ -265,7 +292,7 @@ void emif_get_device_timings_sdp(u32 emif_nr,  	/* Identical devices on EMIF1 & EMIF2 */  	*cs0_device_timings = &elpida_2G_S4_timings; -	if (omap_rev == OMAP4430_ES1_0) +	if ((omap_rev == OMAP4430_ES1_0) || (omap_rev == OMAP4470_ES1_0))  		*cs1_device_timings = NULL;  	else  		*cs1_device_timings = &elpida_2G_S4_timings; |