1 // SPDX-License-Identifier: GPL-2.0-or-later
7  *   Copyright 2002-2005 MontaVista Software Inc.
34 			memsize -= 4096;  in chip_11_errata()
126 #define DDR0_08			8
140 #define DDR_MAX_ROW_REG_SHIFT	8
146 #define DDR_CS_MAP_SHIFT	8
155 #define DDR_COL_SZ_SHIFT	8
162  * Some U-Boot versions set the number of chipselects to two
181 	model[sizeof(model)-1] = 0;  in ibm4xx_denali_get_cs()
228 		dpath = 8; /* 64 bits */  in ibm4xx_denali_fixup_memsize()
236 	row = max_row - row;  in ibm4xx_denali_fixup_memsize()
244 	col = max_col - col;  in ibm4xx_denali_fixup_memsize()
247 		bank = 8; /* 8 banks */  in ibm4xx_denali_fixup_memsize()
327 	setprop(devp, "ranges", ranges, (p - ranges) * sizeof(u32));  in ibm4xx_fixup_ebc_ranges()
335 	u32 cpu, plb, opb, ebc, tb, uart0, uart1, m;  in ibm440gp_fixup_clocks()  local
341 		cpu = plb = sys_clk;  in ibm440gp_fixup_clocks()
347 			/* CPU clock */  in ibm440gp_fixup_clocks()
349 		cpu = sys_clk * m / CPC0_SYS0_FWDVA(sys0);  in ibm440gp_fixup_clocks()
362 		tb = cpu;  in ibm440gp_fixup_clocks()
381 	dt_fixup_cpu_clocks(cpu, tb, 0);  in ibm440gp_fixup_clocks()
408 	u32 fwdvb  = __fix_zero((plld >> 8) & 7, 8);  in __ibm440eplike_fixup_clocks()
410 	u32 pradv0 = __fix_zero((CPR0_READ(DCRN_CPR0_PRIMAD) >> 24) & 7, 8);  in __ibm440eplike_fixup_clocks()
411 	u32 prbdv0 = __fix_zero((CPR0_READ(DCRN_CPR0_PRIMBD) >> 24) & 7, 8);  in __ibm440eplike_fixup_clocks()
419 	u32 cpu, plb, opb, ebc, vco;  in __ibm440eplike_fixup_clocks()  local
434 			/* CPU */  in __ibm440eplike_fixup_clocks()
456 	cpu = clk_a / pradv0;  in __ibm440eplike_fixup_clocks()
461 	/* Figure out timebase.  Either CPU or default TmrClk */  in __ibm440eplike_fixup_clocks()
464 	/* If passed a 0 tmr_clk, force CPU clock */  in __ibm440eplike_fixup_clocks()
470 		tb = cpu;  in __ibm440eplike_fixup_clocks()
472 	dt_fixup_cpu_clocks(cpu, tb, 0);  in __ibm440eplike_fixup_clocks()
554 	u32 cpu, plb, opb, ebc, tb, uart0, uart1, m;  in ibm405gp_fixup_clocks()  local
557 	fwdv = (8 - ((pllmr & 0xe0000000) >> 29));  in ibm405gp_fixup_clocks()
561 	cbdv = ((pllmr & 0x00060000) >> 17) + 1; /* CPU:PLB */  in ibm405gp_fixup_clocks()
569 		fwdvb = 8 - (pllmr & 0x00000007);  in ibm405gp_fixup_clocks()
585 		cpu = sys_clk * m / fwdv;  in ibm405gp_fixup_clocks()
589 		cpu = sys_clk * m / fwdv;  in ibm405gp_fixup_clocks()
590 		plb = cpu / cbdv;  in ibm405gp_fixup_clocks()
599 		uart0 = cpu / udiv;  in ibm405gp_fixup_clocks()
605 		uart1 = cpu / udiv;  in ibm405gp_fixup_clocks()
607 	/* setup the timebase clock to tick at the cpu frequency */  in ibm405gp_fixup_clocks()
610 	tb = cpu;  in ibm405gp_fixup_clocks()
612 	dt_fixup_cpu_clocks(cpu, tb, 0);  in ibm405gp_fixup_clocks()
626 	u32 cpu, plb, opb, ebc, uart0, uart1;  in ibm405ep_fixup_clocks()  local
630 	fwdva = 8 - ((pllmr1 & 0x00070000) >> 16);  in ibm405ep_fixup_clocks()
631 	fwdvb = 8 - ((pllmr1 & 0x00007000) >> 12);  in ibm405ep_fixup_clocks()
636 	cbdv = ((pllmr0 & 0x00030000) >> 16) + 1; /* CPU:PLB */  in ibm405ep_fixup_clocks()
637 	epdv = ((pllmr0 & 0x00000300) >> 8) + 2;  /* PLB:EBC */  in ibm405ep_fixup_clocks()
644 		cpu = sys_clk * m / (fwdva * pllmr0_ccdv);  in ibm405ep_fixup_clocks()
646 		cpu = sys_clk / pllmr0_ccdv;  in ibm405ep_fixup_clocks()
648 	plb = cpu / cbdv;  in ibm405ep_fixup_clocks()
651 	tb = cpu;  in ibm405ep_fixup_clocks()
652 	uart0 = cpu / (cpc0_ucr & 0x0000007f);  in ibm405ep_fixup_clocks()
653 	uart1 = cpu / ((cpc0_ucr & 0x00007f00) >> 8);  in ibm405ep_fixup_clocks()
655 	dt_fixup_cpu_clocks(cpu, tb, 0);  in ibm405ep_fixup_clocks()
664 	/* values for:  1 - 16 */
681 	/* values for:  1 - 100 */
692 	/* values for:  101 - 200 */
703 	/* values for:  201 - 255 */
738 	u32 cpudv0 = __fix_zero((cpud >> 24) & 7, 8);  in ibm405ex_fixup_clocks()
742 	u32 plb2xdv0 = __fix_zero((plbd >> 16) & 7, 8);  in ibm405ex_fixup_clocks()
749 	u32 cpu, plb, opb, ebc, vco, tb, uart0, uart1;  in ibm405ex_fixup_clocks()  local
762 			/* CPU */  in ibm405ex_fixup_clocks()
781 	/* CPU = VCO / ( FWDVA x CPUDV0) */  in ibm405ex_fixup_clocks()
782 	cpu = vco / (fwdva * cpudv0);  in ibm405ex_fixup_clocks()
790 	tb = cpu;  in ibm405ex_fixup_clocks()
793 	dt_fixup_cpu_clocks(cpu, tb, 0);  in ibm405ex_fixup_clocks()