69 static u32 hmc_readl(struct altera_sdram_platdata *plat, u32 reg)  in hmc_readl()  argument
71 	return readl(plat->iomhc + reg);  in hmc_readl()
74 static u32 hmc_ecc_readl(struct altera_sdram_platdata *plat, u32 reg)  in hmc_ecc_readl()  argument
76 	return readl(plat->hmc + reg);  in hmc_ecc_readl()
79 static u32 hmc_ecc_writel(struct altera_sdram_platdata *plat,  in hmc_ecc_writel()  argument
82 	return writel(data, plat->hmc + reg);  in hmc_ecc_writel()
85 static u32 ddr_sch_writel(struct altera_sdram_platdata *plat, u32 data,  in ddr_sch_writel()  argument
88 	return writel(data, plat->ddr_sch + reg);  in ddr_sch_writel()
102 static int emif_clear(struct altera_sdram_platdata *plat)  in emif_clear()  argument
104 	hmc_ecc_writel(plat, 0, RSTHANDSHAKECTRL);  in emif_clear()
106 	return wait_for_bit_le32((const void *)(plat->hmc +  in emif_clear()
112 static int emif_reset(struct altera_sdram_platdata *plat)  in emif_reset()  argument
116 	c2s = hmc_ecc_readl(plat, RSTHANDSHAKECTRL) & DDR_HMC_RSTHANDSHAKE_MASK;  in emif_reset()
117 	s2c = hmc_ecc_readl(plat, RSTHANDSHAKESTAT) & DDR_HMC_RSTHANDSHAKE_MASK;  in emif_reset()
120 	      c2s, s2c, hmc_readl(plat, NIOSRESERVED0),  in emif_reset()
121 	      hmc_readl(plat, NIOSRESERVED1), hmc_readl(plat, NIOSRESERVED2),  in emif_reset()
122 	      hmc_readl(plat, DRAMSTS));  in emif_reset()
124 	if (s2c && emif_clear(plat)) {  in emif_reset()
130 	hmc_ecc_writel(plat, DDR_HMC_CORE2SEQ_INT_REQ, RSTHANDSHAKECTRL);  in emif_reset()
133 	ret = wait_for_bit_le32((const void *)(plat->hmc +  in emif_reset()
142 	ret = emif_clear(plat);  in emif_reset()
266 static phys_size_t sdram_calculate_size(struct altera_sdram_platdata *plat)  in sdram_calculate_size()  argument
268 	u32 dramaddrw = hmc_readl(plat, DRAMADDRW);  in sdram_calculate_size()
276 	size *= (2 << (hmc_ecc_readl(plat, DDRIOCTRL) &  in sdram_calculate_size()
289 	struct altera_sdram_platdata *plat = dev->platdata;  in sdram_mmr_init_full()  local
349 		ret = wait_for_bit_le32((const void *)(plat->hmc +  in sdram_mmr_init_full()
356 		emif_reset(plat);  in sdram_mmr_init_full()
365 	u32 ctrlcfg0 = hmc_readl(plat, CTRLCFG0);  in sdram_mmr_init_full()
366 	u32 ctrlcfg1 = hmc_readl(plat, CTRLCFG1);  in sdram_mmr_init_full()
367 	u32 dramaddrw = hmc_readl(plat, DRAMADDRW);  in sdram_mmr_init_full()
368 	u32 dramtim0 = hmc_readl(plat, DRAMTIMING0);  in sdram_mmr_init_full()
369 	u32 caltim0 = hmc_readl(plat, CALTIMING0);  in sdram_mmr_init_full()
370 	u32 caltim1 = hmc_readl(plat, CALTIMING1);  in sdram_mmr_init_full()
371 	u32 caltim2 = hmc_readl(plat, CALTIMING2);  in sdram_mmr_init_full()
372 	u32 caltim3 = hmc_readl(plat, CALTIMING3);  in sdram_mmr_init_full()
373 	u32 caltim4 = hmc_readl(plat, CALTIMING4);  in sdram_mmr_init_full()
374 	u32 caltim9 = hmc_readl(plat, CALTIMING9);  in sdram_mmr_init_full()
390 	update_value = hmc_readl(plat, NIOSRESERVED0);  in sdram_mmr_init_full()
391 	hmc_ecc_writel(plat, ((update_value & 0xFF) >> 5), DDRIOCTRL);  in sdram_mmr_init_full()
392 	ddrioctl = hmc_ecc_readl(plat, DDRIOCTRL);  in sdram_mmr_init_full()
395 	hmc_ecc_writel(plat, DDR_HMC_HPSINTFCSEL_ENABLE_MASK, HPSINTFCSEL);  in sdram_mmr_init_full()
406 		ddr_sch_writel(plat, update_value, DDR_SCH_DDRCONF);  in sdram_mmr_init_full()
409 	hmc_ecc_writel(plat, hmc_readl(plat, DRAMADDRW), DRAMADDRWIDTH);  in sdram_mmr_init_full()
433 	ddr_sch_writel(plat, ((CALTIMING0_CFG_ACT_TO_ACT(caltim0) <<  in sdram_mmr_init_full()
447 	ddr_sch_writel(plat, ((ddrioctl ? 0 : 1) <<  in sdram_mmr_init_full()
452 	ddr_sch_writel(plat, (DRAMTIMING0_CFG_TCL(dramtim0) >> 1) +  in sdram_mmr_init_full()
460 	ddr_sch_writel(plat, ((CALTIMING0_CFG_ACT_TO_ACT_DB(caltim0) <<  in sdram_mmr_init_full()
472 	ddr_sch_writel(plat, ((CALTIMING1_CFG_RD_TO_RD_DC(caltim1) <<  in sdram_mmr_init_full()
481 	unsigned long long size = sdram_calculate_size(plat);  in sdram_mmr_init_full()
503 		setbits_le32(plat->hmc + ECCCTRL1,  in sdram_mmr_init_full()
507 		clrbits_le32(plat->hmc + ECCCTRL1,  in sdram_mmr_init_full()
510 		setbits_le32(plat->hmc + ECCCTRL2,  in sdram_mmr_init_full()
513 		hmc_ecc_writel(plat, DDR_HMC_ERRINTEN_INTMASK, ERRINTENS);  in sdram_mmr_init_full()
522 		clrbits_le32(plat->hmc + ECCCTRL1,  in sdram_mmr_init_full()
526 		clrbits_le32(plat->hmc + ECCCTRL2,  in sdram_mmr_init_full()
542 	struct altera_sdram_platdata *plat = dev->platdata;  in altera_sdram_ofdata_to_platdata()  local
548 	plat->ddr_sch = (void __iomem *)addr;  in altera_sdram_ofdata_to_platdata()
553 	plat->iomhc = (void __iomem *)addr;  in altera_sdram_ofdata_to_platdata()
558 	plat->hmc = (void __iomem *)addr;  in altera_sdram_ofdata_to_platdata()