277 void gpmc_cs_write_reg(int cs, int idx, u32 val)  in gpmc_cs_write_reg()  argument
281 	reg_addr = gpmc_base + GPMC_CS0_OFFSET + (cs * GPMC_CS_SIZE) + idx;  in gpmc_cs_write_reg()
285 static u32 gpmc_cs_read_reg(int cs, int idx)  in gpmc_cs_read_reg()  argument
289 	reg_addr = gpmc_base + GPMC_CS0_OFFSET + (cs * GPMC_CS_SIZE) + idx;  in gpmc_cs_read_reg()
312 static unsigned long gpmc_get_clk_period(int cs, enum gpmc_clk_domain cd)  in gpmc_get_clk_period()  argument
321 		l = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);  in gpmc_get_clk_period()
334 static unsigned int gpmc_ns_to_clk_ticks(unsigned int time_ns, int cs,  in gpmc_ns_to_clk_ticks()  argument
340 	tick_ps = gpmc_get_clk_period(cs, cd);  in gpmc_ns_to_clk_ticks()
360 static unsigned int gpmc_clk_ticks_to_ns(unsigned int ticks, int cs,  in gpmc_clk_ticks_to_ns()  argument
363 	return ticks * gpmc_get_clk_period(cs, cd) / 1000;  in gpmc_clk_ticks_to_ns()
383 static inline void gpmc_cs_modify_reg(int cs, int reg, u32 mask, bool value)  in gpmc_cs_modify_reg()  argument
387 	l = gpmc_cs_read_reg(cs, reg);  in gpmc_cs_modify_reg()
392 	gpmc_cs_write_reg(cs, reg, l);  in gpmc_cs_modify_reg()
395 static void gpmc_cs_bool_timings(int cs, const struct gpmc_bool_timings *p)  in gpmc_cs_bool_timings()  argument
397 	gpmc_cs_modify_reg(cs, GPMC_CS_CONFIG1,  in gpmc_cs_bool_timings()
400 	gpmc_cs_modify_reg(cs, GPMC_CS_CONFIG2,  in gpmc_cs_bool_timings()
402 	gpmc_cs_modify_reg(cs, GPMC_CS_CONFIG3,  in gpmc_cs_bool_timings()
404 	gpmc_cs_modify_reg(cs, GPMC_CS_CONFIG4,  in gpmc_cs_bool_timings()
406 	gpmc_cs_modify_reg(cs, GPMC_CS_CONFIG4,  in gpmc_cs_bool_timings()
408 	gpmc_cs_modify_reg(cs, GPMC_CS_CONFIG6,  in gpmc_cs_bool_timings()
411 	gpmc_cs_modify_reg(cs, GPMC_CS_CONFIG6,  in gpmc_cs_bool_timings()
439 	int cs, int reg, int st_bit, int end_bit, int max,  in get_gpmc_timing_reg()  argument
451 	l = gpmc_cs_read_reg(cs, reg);  in get_gpmc_timing_reg()
468 			time_ns_min = gpmc_clk_ticks_to_ns(l - 1, cs, cd) + 1;  in get_gpmc_timing_reg()
469 		time_ns = gpmc_clk_ticks_to_ns(l, cs, cd);  in get_gpmc_timing_reg()
482 #define GPMC_PRINT_CONFIG(cs, config) \  argument
483 	pr_info("cs%i %s: 0x%08x\n", cs, #config, \
484 		gpmc_cs_read_reg(cs, config))
486 	get_gpmc_timing_reg(cs, (reg), (st), (end), 0, field, GPMC_CD_FCLK, 0, 1, 0)
488 	get_gpmc_timing_reg(cs, (reg), (st), (end), (max), field, GPMC_CD_FCLK, 0, 1, 0)
490 	get_gpmc_timing_reg(cs, (reg), (st), (end), 0, field, GPMC_CD_FCLK, 0, 1, 1)
492 	get_gpmc_timing_reg(cs, (reg), (st), (end), (max), field, GPMC_CD_FCLK, (shift), 1, 1)
494 	get_gpmc_timing_reg(cs, (reg), (st), (end), 0, field, GPMC_CD_FCLK, 0, 0, 0)
496 	get_gpmc_timing_reg(cs, (reg), (st), (end), 0, field, (cd), 0, 0, 0)
498 	get_gpmc_timing_reg(cs, (reg), (st), (end), (max), field, (cd), 0, 0, 0)
500 static void gpmc_show_regs(int cs, const char *desc)  in gpmc_show_regs()  argument
502 	pr_info("gpmc cs%i %s:\n", cs, desc);  in gpmc_show_regs()
503 	GPMC_PRINT_CONFIG(cs, GPMC_CS_CONFIG1);  in gpmc_show_regs()
504 	GPMC_PRINT_CONFIG(cs, GPMC_CS_CONFIG2);  in gpmc_show_regs()
505 	GPMC_PRINT_CONFIG(cs, GPMC_CS_CONFIG3);  in gpmc_show_regs()
506 	GPMC_PRINT_CONFIG(cs, GPMC_CS_CONFIG4);  in gpmc_show_regs()
507 	GPMC_PRINT_CONFIG(cs, GPMC_CS_CONFIG5);  in gpmc_show_regs()
508 	GPMC_PRINT_CONFIG(cs, GPMC_CS_CONFIG6);  in gpmc_show_regs()
515 static void gpmc_cs_show_timings(int cs, const char *desc)  in gpmc_cs_show_timings()  argument
517 	gpmc_show_regs(cs, desc);  in gpmc_cs_show_timings()
519 	pr_info("gpmc cs%i access configuration:\n", cs);  in gpmc_cs_show_timings()
546 	pr_info("gpmc cs%i timings configuration:\n", cs);  in gpmc_cs_show_timings()
591 static inline void gpmc_cs_show_timings(int cs, const char *desc)  in gpmc_cs_show_timings()  argument
612 static int set_gpmc_timing_reg(int cs, int reg, int st_bit, int end_bit, int max,  in set_gpmc_timing_reg()  argument
621 		ticks = gpmc_ns_to_clk_ticks(time, cs, cd);  in set_gpmc_timing_reg()
630 		       __func__, cs, name, time, ticks, max);  in set_gpmc_timing_reg()
635 	l = gpmc_cs_read_reg(cs, reg);  in set_gpmc_timing_reg()
638 		cs, name, ticks, gpmc_get_clk_period(cs, cd) * ticks / 1000,  in set_gpmc_timing_reg()
643 	gpmc_cs_write_reg(cs, reg, l);  in set_gpmc_timing_reg()
703 int gpmc_cs_set_timings(int cs, const struct gpmc_timings *t,  in gpmc_cs_set_timings()  argument
740 	ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG2, 0, 3, 0, t->cs_on,  in gpmc_cs_set_timings()
742 	ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG2, 8, 12, 0, t->cs_rd_off,  in gpmc_cs_set_timings()
744 	ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG2, 16, 20, 0, t->cs_wr_off,  in gpmc_cs_set_timings()
749 	ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG3, 0, 3, 0, t->adv_on,  in gpmc_cs_set_timings()
751 	ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG3, 8, 12, 0, t->adv_rd_off,  in gpmc_cs_set_timings()
753 	ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG3, 16, 20, 0, t->adv_wr_off,  in gpmc_cs_set_timings()
759 		ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG3, 4, 6, 0,  in gpmc_cs_set_timings()
762 		ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG3, 24, 26, 0,  in gpmc_cs_set_timings()
765 		ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG3, 28, 30, 0,  in gpmc_cs_set_timings()
772 	ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG4, 0, 3, 0, t->oe_on,  in gpmc_cs_set_timings()
774 	ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG4, 8, 12, 0, t->oe_off,  in gpmc_cs_set_timings()
777 		ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG4, 4, 6, 0,  in gpmc_cs_set_timings()
780 		ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG4, 13, 15, 0,  in gpmc_cs_set_timings()
784 	ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG4, 16, 19, 0, t->we_on,  in gpmc_cs_set_timings()
786 	ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG4, 24, 28, 0, t->we_off,  in gpmc_cs_set_timings()
791 	ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG5, 0, 4, 0, t->rd_cycle,  in gpmc_cs_set_timings()
793 	ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG5, 8, 12, 0, t->wr_cycle,  in gpmc_cs_set_timings()
795 	ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG5, 16, 20, 0, t->access,  in gpmc_cs_set_timings()
797 	ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG5, 24, 27, 0,  in gpmc_cs_set_timings()
803 	ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG6, 0, 3, 0,  in gpmc_cs_set_timings()
806 	ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG6, 8, 11, 0,  in gpmc_cs_set_timings()
813 		ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG6, 16, 19, 0,  in gpmc_cs_set_timings()
820 		ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG6, 24, 28, 0,  in gpmc_cs_set_timings()
827 	l = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);  in gpmc_cs_set_timings()
830 	gpmc_cs_write_reg(cs, GPMC_CS_CONFIG1, l);  in gpmc_cs_set_timings()
833 	ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG1, 18, 19,  in gpmc_cs_set_timings()
837 	ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG1, 25, 26,  in gpmc_cs_set_timings()
846 			cs, (div * gpmc_get_fclk_period()) / 1000, div);  in gpmc_cs_set_timings()
849 	gpmc_cs_bool_timings(cs, &t->bool_timings);  in gpmc_cs_set_timings()
850 	gpmc_cs_show_timings(cs, "after gpmc_cs_set_timings");  in gpmc_cs_set_timings()
855 static int gpmc_cs_set_memconf(int cs, u32 base, u32 size)  in gpmc_cs_set_memconf()  argument
872 	l = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG7);  in gpmc_cs_set_memconf()
877 	gpmc_cs_write_reg(cs, GPMC_CS_CONFIG7, l);  in gpmc_cs_set_memconf()
882 static void gpmc_cs_enable_mem(int cs)  in gpmc_cs_enable_mem()  argument
886 	l = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG7);  in gpmc_cs_enable_mem()
888 	gpmc_cs_write_reg(cs, GPMC_CS_CONFIG7, l);  in gpmc_cs_enable_mem()
891 static void gpmc_cs_disable_mem(int cs)  in gpmc_cs_disable_mem()  argument
895 	l = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG7);  in gpmc_cs_disable_mem()
897 	gpmc_cs_write_reg(cs, GPMC_CS_CONFIG7, l);  in gpmc_cs_disable_mem()
900 static void gpmc_cs_get_memconf(int cs, u32 *base, u32 *size)  in gpmc_cs_get_memconf()  argument
905 	l = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG7);  in gpmc_cs_get_memconf()
911 static int gpmc_cs_mem_enabled(int cs)  in gpmc_cs_mem_enabled()  argument
915 	l = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG7);  in gpmc_cs_mem_enabled()
919 static void gpmc_cs_set_reserved(int cs, int reserved)  in gpmc_cs_set_reserved()  argument
921 	struct gpmc_cs_data *gpmc = &gpmc_cs[cs];  in gpmc_cs_set_reserved()
926 static bool gpmc_cs_reserved(int cs)  in gpmc_cs_reserved()  argument
928 	struct gpmc_cs_data *gpmc = &gpmc_cs[cs];  in gpmc_cs_reserved()
947 static int gpmc_cs_insert_mem(int cs, unsigned long base, unsigned long size)  in gpmc_cs_insert_mem()  argument
949 	struct gpmc_cs_data *gpmc = &gpmc_cs[cs];  in gpmc_cs_insert_mem()
963 static int gpmc_cs_delete_mem(int cs)  in gpmc_cs_delete_mem()  argument
965 	struct gpmc_cs_data *gpmc = &gpmc_cs[cs];  in gpmc_cs_delete_mem()
978 int gpmc_cs_request(int cs, unsigned long size, unsigned long *base)  in gpmc_cs_request()  argument
980 	struct gpmc_cs_data *gpmc = &gpmc_cs[cs];  in gpmc_cs_request()
984 	if (cs >= gpmc_cs_num) {  in gpmc_cs_request()
993 	if (gpmc_cs_reserved(cs)) {  in gpmc_cs_request()
997 	if (gpmc_cs_mem_enabled(cs))  in gpmc_cs_request()
1006 	gpmc_cs_disable_mem(cs);  in gpmc_cs_request()
1008 	r = gpmc_cs_set_memconf(cs, res->start, resource_size(res));  in gpmc_cs_request()
1015 	gpmc_cs_enable_mem(cs);  in gpmc_cs_request()
1017 	gpmc_cs_set_reserved(cs, 1);  in gpmc_cs_request()
1024 void gpmc_cs_free(int cs)  in gpmc_cs_free()  argument
1030 	if (cs >= gpmc_cs_num || cs < 0 || !gpmc_cs_reserved(cs)) {  in gpmc_cs_free()
1031 		WARN(1, "Trying to free non-reserved GPMC CS%d\n", cs);  in gpmc_cs_free()
1035 	gpmc = &gpmc_cs[cs];  in gpmc_cs_free()
1038 	gpmc_cs_disable_mem(cs);  in gpmc_cs_free()
1041 	gpmc_cs_set_reserved(cs, 0);  in gpmc_cs_free()
1151 struct gpmc_nand_ops *gpmc_omap_get_nand_ops(struct gpmc_nand_regs *reg, int cs)  in gpmc_omap_get_nand_ops()  argument
1155 	if (cs >= gpmc_cs_num)  in gpmc_omap_get_nand_ops()
1159 				GPMC_CS_NAND_COMMAND + GPMC_CS_SIZE * cs;  in gpmc_omap_get_nand_ops()
1161 				GPMC_CS_NAND_ADDRESS + GPMC_CS_SIZE * cs;  in gpmc_omap_get_nand_ops()
1163 				GPMC_CS_NAND_DATA + GPMC_CS_SIZE * cs;  in gpmc_omap_get_nand_ops()
1273 int gpmc_omap_onenand_set_timings(struct device *dev, int cs, int freq,  in gpmc_omap_onenand_set_timings()  argument
1292 	ret = gpmc_cs_program_settings(cs, &gpmc_s);  in gpmc_omap_onenand_set_timings()
1296 	return gpmc_cs_set_timings(cs, &gpmc_t, &gpmc_s);  in gpmc_omap_onenand_set_timings()
1516 	int cs;  in gpmc_mem_exit()  local
1518 	for (cs = 0; cs < gpmc_cs_num; cs++) {  in gpmc_mem_exit()
1519 		if (!gpmc_cs_mem_enabled(cs))  in gpmc_mem_exit()
1521 		gpmc_cs_delete_mem(cs);  in gpmc_mem_exit()
1527 	int cs;  in gpmc_mem_init()  local
1539 	for (cs = 0; cs < gpmc_cs_num; cs++) {  in gpmc_mem_init()
1542 		if (!gpmc_cs_mem_enabled(cs))  in gpmc_mem_init()
1544 		gpmc_cs_get_memconf(cs, &base, &size);  in gpmc_mem_init()
1545 		if (gpmc_cs_insert_mem(cs, base, size)) {  in gpmc_mem_init()
1547 				__func__, cs, base, base + size);  in gpmc_mem_init()
1548 			gpmc_cs_disable_mem(cs);  in gpmc_mem_init()
1885 int gpmc_cs_program_settings(int cs, struct gpmc_settings *p)  in gpmc_cs_program_settings()  argument
1952 	gpmc_cs_write_reg(cs, GPMC_CS_CONFIG1, config1);  in gpmc_cs_program_settings()
1969 static void gpmc_cs_set_name(int cs, const char *name)  in gpmc_cs_set_name()  argument
1971 	struct gpmc_cs_data *gpmc = &gpmc_cs[cs];  in gpmc_cs_set_name()
1976 static const char *gpmc_cs_get_name(int cs)  in gpmc_cs_get_name()  argument
1978 	struct gpmc_cs_data *gpmc = &gpmc_cs[cs];  in gpmc_cs_get_name()
1992 static int gpmc_cs_remap(int cs, u32 base)  in gpmc_cs_remap()  argument
1997 	if (cs >= gpmc_cs_num) {  in gpmc_cs_remap()
2009 	gpmc_cs_get_memconf(cs, &old_base, &size);  in gpmc_cs_remap()
2013 	ret = gpmc_cs_delete_mem(cs);  in gpmc_cs_remap()
2017 	ret = gpmc_cs_insert_mem(cs, base, size);  in gpmc_cs_remap()
2021 	ret = gpmc_cs_set_memconf(cs, base, size);  in gpmc_cs_remap()
2175 	int ret, cs;  in gpmc_probe_generic_child()  local
2179 	if (of_property_read_u32(child, "reg", &cs) < 0) {  in gpmc_probe_generic_child()
2196 	name = gpmc_cs_get_name(cs);  in gpmc_probe_generic_child()
2200 	ret = gpmc_cs_request(cs, resource_size(&res), &base);  in gpmc_probe_generic_child()
2202 		dev_err(&pdev->dev, "cannot request GPMC CS %d\n", cs);  in gpmc_probe_generic_child()
2205 	gpmc_cs_set_name(cs, child->full_name);  in gpmc_probe_generic_child()
2217 			cs);  in gpmc_probe_generic_child()
2218 		gpmc_cs_show_timings(cs,  in gpmc_probe_generic_child()
2224 	gpmc_cs_disable_mem(cs);  in gpmc_probe_generic_child()
2234 	ret = gpmc_cs_remap(cs, res.start);  in gpmc_probe_generic_child()
2237 			cs, &res.start);  in gpmc_probe_generic_child()
2241 				 cs, GPMC_MEM_START);  in gpmc_probe_generic_child()
2245 				 cs, GPMC_MEM_END);  in gpmc_probe_generic_child()
2309 	gpmc_cs_show_timings(cs, "before gpmc_cs_program_settings");  in gpmc_probe_generic_child()
2311 	ret = gpmc_cs_program_settings(cs, &gpmc_s);  in gpmc_probe_generic_child()
2315 	ret = gpmc_cs_set_timings(cs, &gpmc_t, &gpmc_s);  in gpmc_probe_generic_child()
2328 	gpmc_cs_enable_mem(cs);  in gpmc_probe_generic_child()
2350 	gpmc_cs_free(cs);  in gpmc_probe_generic_child()