264 void gpmc_cs_write_reg(int cs, int idx, u32 val)  in gpmc_cs_write_reg()  argument
268 	reg_addr = gpmc_base + GPMC_CS0_OFFSET + (cs * GPMC_CS_SIZE) + idx;  in gpmc_cs_write_reg()
272 static u32 gpmc_cs_read_reg(int cs, int idx)  in gpmc_cs_read_reg()  argument
276 	reg_addr = gpmc_base + GPMC_CS0_OFFSET + (cs * GPMC_CS_SIZE) + idx;  in gpmc_cs_read_reg()
299 static unsigned long gpmc_get_clk_period(int cs, enum gpmc_clk_domain cd)  in gpmc_get_clk_period()  argument
309 		l = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);  in gpmc_get_clk_period()
324 static unsigned int gpmc_ns_to_clk_ticks(unsigned int time_ns, int cs,  in gpmc_ns_to_clk_ticks()  argument
330 	tick_ps = gpmc_get_clk_period(cs, cd);  in gpmc_ns_to_clk_ticks()
350 unsigned int gpmc_clk_ticks_to_ns(unsigned ticks, int cs,  in gpmc_clk_ticks_to_ns()  argument
353 	return ticks * gpmc_get_clk_period(cs, cd) / 1000;  in gpmc_clk_ticks_to_ns()
373 static inline void gpmc_cs_modify_reg(int cs, int reg, u32 mask, bool value)  in gpmc_cs_modify_reg()  argument
377 	l = gpmc_cs_read_reg(cs, reg);  in gpmc_cs_modify_reg()
382 	gpmc_cs_write_reg(cs, reg, l);  in gpmc_cs_modify_reg()
385 static void gpmc_cs_bool_timings(int cs, const struct gpmc_bool_timings *p)  in gpmc_cs_bool_timings()  argument
387 	gpmc_cs_modify_reg(cs, GPMC_CS_CONFIG1,  in gpmc_cs_bool_timings()
390 	gpmc_cs_modify_reg(cs, GPMC_CS_CONFIG2,  in gpmc_cs_bool_timings()
392 	gpmc_cs_modify_reg(cs, GPMC_CS_CONFIG3,  in gpmc_cs_bool_timings()
394 	gpmc_cs_modify_reg(cs, GPMC_CS_CONFIG4,  in gpmc_cs_bool_timings()
396 	gpmc_cs_modify_reg(cs, GPMC_CS_CONFIG4,  in gpmc_cs_bool_timings()
398 	gpmc_cs_modify_reg(cs, GPMC_CS_CONFIG6,  in gpmc_cs_bool_timings()
401 	gpmc_cs_modify_reg(cs, GPMC_CS_CONFIG6,  in gpmc_cs_bool_timings()
429 	int cs, int reg, int st_bit, int end_bit, int max,  in get_gpmc_timing_reg()  argument
441 	l = gpmc_cs_read_reg(cs, reg);  in get_gpmc_timing_reg()
458 			time_ns_min = gpmc_clk_ticks_to_ns(l - 1, cs, cd) + 1;  in get_gpmc_timing_reg()
459 		time_ns = gpmc_clk_ticks_to_ns(l, cs, cd);  in get_gpmc_timing_reg()
472 #define GPMC_PRINT_CONFIG(cs, config) \  argument
473 	pr_info("cs%i %s: 0x%08x\n", cs, #config, \
474 		gpmc_cs_read_reg(cs, config))
476 	get_gpmc_timing_reg(cs, (reg), (st), (end), 0, field, GPMC_CD_FCLK, 0, 1, 0)
478 	get_gpmc_timing_reg(cs, (reg), (st), (end), (max), field, GPMC_CD_FCLK, 0, 1, 0)
480 	get_gpmc_timing_reg(cs, (reg), (st), (end), 0, field, GPMC_CD_FCLK, 0, 1, 1)
482 	get_gpmc_timing_reg(cs, (reg), (st), (end), (max), field, GPMC_CD_FCLK, (shift), 1, 1)
484 	get_gpmc_timing_reg(cs, (reg), (st), (end), 0, field, GPMC_CD_FCLK, 0, 0, 0)
486 	get_gpmc_timing_reg(cs, (reg), (st), (end), 0, field, (cd), 0, 0, 0)
488 	get_gpmc_timing_reg(cs, (reg), (st), (end), (max), field, (cd), 0, 0, 0)
490 static void gpmc_show_regs(int cs, const char *desc)  in gpmc_show_regs()  argument
492 	pr_info("gpmc cs%i %s:\n", cs, desc);  in gpmc_show_regs()
493 	GPMC_PRINT_CONFIG(cs, GPMC_CS_CONFIG1);  in gpmc_show_regs()
494 	GPMC_PRINT_CONFIG(cs, GPMC_CS_CONFIG2);  in gpmc_show_regs()
495 	GPMC_PRINT_CONFIG(cs, GPMC_CS_CONFIG3);  in gpmc_show_regs()
496 	GPMC_PRINT_CONFIG(cs, GPMC_CS_CONFIG4);  in gpmc_show_regs()
497 	GPMC_PRINT_CONFIG(cs, GPMC_CS_CONFIG5);  in gpmc_show_regs()
498 	GPMC_PRINT_CONFIG(cs, GPMC_CS_CONFIG6);  in gpmc_show_regs()
505 static void gpmc_cs_show_timings(int cs, const char *desc)  in gpmc_cs_show_timings()  argument
507 	gpmc_show_regs(cs, desc);  in gpmc_cs_show_timings()
509 	pr_info("gpmc cs%i access configuration:\n", cs);  in gpmc_cs_show_timings()
536 	pr_info("gpmc cs%i timings configuration:\n", cs);  in gpmc_cs_show_timings()
570 static inline void gpmc_cs_show_timings(int cs, const char *desc)  in gpmc_cs_show_timings()  argument
591 static int set_gpmc_timing_reg(int cs, int reg, int st_bit, int end_bit, int max,  in set_gpmc_timing_reg()  argument
600 		ticks = gpmc_ns_to_clk_ticks(time, cs, cd);  in set_gpmc_timing_reg()
609 		       __func__, cs, name, time, ticks, max);  in set_gpmc_timing_reg()
614 	l = gpmc_cs_read_reg(cs, reg);  in set_gpmc_timing_reg()
618 	       cs, name, ticks, gpmc_get_clk_period(cs, cd) * ticks / 1000,  in set_gpmc_timing_reg()
623 	gpmc_cs_write_reg(cs, reg, l);  in set_gpmc_timing_reg()
629 	if (set_gpmc_timing_reg(cs, (reg), (st), (end), (max), \
693 int gpmc_cs_set_timings(int cs, const struct gpmc_timings *t,  in gpmc_cs_set_timings()  argument
757 	l = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);  in gpmc_cs_set_timings()
760 	gpmc_cs_write_reg(cs, GPMC_CS_CONFIG1, l);  in gpmc_cs_set_timings()
771 			cs, (div * gpmc_get_fclk_period()) / 1000, div);  in gpmc_cs_set_timings()
774 	gpmc_cs_bool_timings(cs, &t->bool_timings);  in gpmc_cs_set_timings()
775 	gpmc_cs_show_timings(cs, "after gpmc_cs_set_timings");  in gpmc_cs_set_timings()
780 static int gpmc_cs_set_memconf(int cs, u32 base, u32 size)  in gpmc_cs_set_memconf()  argument
797 	l = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG7);  in gpmc_cs_set_memconf()
802 	gpmc_cs_write_reg(cs, GPMC_CS_CONFIG7, l);  in gpmc_cs_set_memconf()
807 static void gpmc_cs_enable_mem(int cs)  in gpmc_cs_enable_mem()  argument
811 	l = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG7);  in gpmc_cs_enable_mem()
813 	gpmc_cs_write_reg(cs, GPMC_CS_CONFIG7, l);  in gpmc_cs_enable_mem()
816 static void gpmc_cs_disable_mem(int cs)  in gpmc_cs_disable_mem()  argument
820 	l = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG7);  in gpmc_cs_disable_mem()
822 	gpmc_cs_write_reg(cs, GPMC_CS_CONFIG7, l);  in gpmc_cs_disable_mem()
825 static void gpmc_cs_get_memconf(int cs, u32 *base, u32 *size)  in gpmc_cs_get_memconf()  argument
830 	l = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG7);  in gpmc_cs_get_memconf()
836 static int gpmc_cs_mem_enabled(int cs)  in gpmc_cs_mem_enabled()  argument
840 	l = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG7);  in gpmc_cs_mem_enabled()
844 static void gpmc_cs_set_reserved(int cs, int reserved)  in gpmc_cs_set_reserved()  argument
846 	struct gpmc_cs_data *gpmc = &gpmc_cs[cs];  in gpmc_cs_set_reserved()
851 static bool gpmc_cs_reserved(int cs)  in gpmc_cs_reserved()  argument
853 	struct gpmc_cs_data *gpmc = &gpmc_cs[cs];  in gpmc_cs_reserved()
858 static void gpmc_cs_set_name(int cs, const char *name)  in gpmc_cs_set_name()  argument
860 	struct gpmc_cs_data *gpmc = &gpmc_cs[cs];  in gpmc_cs_set_name()
865 static const char *gpmc_cs_get_name(int cs)  in gpmc_cs_get_name()  argument
867 	struct gpmc_cs_data *gpmc = &gpmc_cs[cs];  in gpmc_cs_get_name()
886 static int gpmc_cs_insert_mem(int cs, unsigned long base, unsigned long size)  in gpmc_cs_insert_mem()  argument
888 	struct gpmc_cs_data *gpmc = &gpmc_cs[cs];  in gpmc_cs_insert_mem()
902 static int gpmc_cs_delete_mem(int cs)  in gpmc_cs_delete_mem()  argument
904 	struct gpmc_cs_data *gpmc = &gpmc_cs[cs];  in gpmc_cs_delete_mem()
926 static int gpmc_cs_remap(int cs, u32 base)  in gpmc_cs_remap()  argument
931 	if (cs > gpmc_cs_num) {  in gpmc_cs_remap()
943 	gpmc_cs_get_memconf(cs, &old_base, &size);  in gpmc_cs_remap()
947 	ret = gpmc_cs_delete_mem(cs);  in gpmc_cs_remap()
951 	ret = gpmc_cs_insert_mem(cs, base, size);  in gpmc_cs_remap()
955 	ret = gpmc_cs_set_memconf(cs, base, size);  in gpmc_cs_remap()
960 int gpmc_cs_request(int cs, unsigned long size, unsigned long *base)  in gpmc_cs_request()  argument
962 	struct gpmc_cs_data *gpmc = &gpmc_cs[cs];  in gpmc_cs_request()
966 	if (cs > gpmc_cs_num) {  in gpmc_cs_request()
975 	if (gpmc_cs_reserved(cs)) {  in gpmc_cs_request()
979 	if (gpmc_cs_mem_enabled(cs))  in gpmc_cs_request()
988 	gpmc_cs_disable_mem(cs);  in gpmc_cs_request()
990 	r = gpmc_cs_set_memconf(cs, res->start, resource_size(res));  in gpmc_cs_request()
997 	gpmc_cs_enable_mem(cs);  in gpmc_cs_request()
999 	gpmc_cs_set_reserved(cs, 1);  in gpmc_cs_request()
1006 void gpmc_cs_free(int cs)  in gpmc_cs_free()  argument
1008 	struct gpmc_cs_data *gpmc = &gpmc_cs[cs];  in gpmc_cs_free()
1012 	if (cs >= gpmc_cs_num || cs < 0 || !gpmc_cs_reserved(cs)) {  in gpmc_cs_free()
1013 		printk(KERN_ERR "Trying to free non-reserved GPMC CS%d\n", cs);  in gpmc_cs_free()
1018 	gpmc_cs_disable_mem(cs);  in gpmc_cs_free()
1021 	gpmc_cs_set_reserved(cs, 0);  in gpmc_cs_free()
1063 void gpmc_update_nand_reg(struct gpmc_nand_regs *reg, int cs)  in gpmc_update_nand_reg()  argument
1069 				GPMC_CS_NAND_COMMAND + GPMC_CS_SIZE * cs;  in gpmc_update_nand_reg()
1071 				GPMC_CS_NAND_ADDRESS + GPMC_CS_SIZE * cs;  in gpmc_update_nand_reg()
1073 				GPMC_CS_NAND_DATA + GPMC_CS_SIZE * cs;  in gpmc_update_nand_reg()
1211 	int cs;  in gpmc_mem_exit()  local
1213 	for (cs = 0; cs < gpmc_cs_num; cs++) {  in gpmc_mem_exit()
1214 		if (!gpmc_cs_mem_enabled(cs))  in gpmc_mem_exit()
1216 		gpmc_cs_delete_mem(cs);  in gpmc_mem_exit()
1223 	int cs;  in gpmc_mem_init()  local
1234 	for (cs = 0; cs < gpmc_cs_num; cs++) {  in gpmc_mem_init()
1237 		if (!gpmc_cs_mem_enabled(cs))  in gpmc_mem_init()
1239 		gpmc_cs_get_memconf(cs, &base, &size);  in gpmc_mem_init()
1240 		if (gpmc_cs_insert_mem(cs, base, size)) {  in gpmc_mem_init()
1242 				__func__, cs, base, base + size);  in gpmc_mem_init()
1243 			gpmc_cs_disable_mem(cs);  in gpmc_mem_init()
1582 int gpmc_cs_program_settings(int cs, struct gpmc_settings *p)  in gpmc_cs_program_settings()  argument
1648 	gpmc_cs_write_reg(cs, GPMC_CS_CONFIG1, config1);  in gpmc_cs_program_settings()
1797 	gpmc_nand_data->cs = val;  in gpmc_probe_nand_child()
1886 	gpmc_onenand_data->cs = val;  in gpmc_probe_onenand_child()
1921 	int ret, cs;  in gpmc_probe_generic_child()  local
1924 	if (of_property_read_u32(child, "reg", &cs) < 0) {  in gpmc_probe_generic_child()
1941 	name = gpmc_cs_get_name(cs);  in gpmc_probe_generic_child()
1945 	ret = gpmc_cs_request(cs, resource_size(&res), &base);  in gpmc_probe_generic_child()
1947 		dev_err(&pdev->dev, "cannot request GPMC CS %d\n", cs);  in gpmc_probe_generic_child()
1950 	gpmc_cs_set_name(cs, child->name);  in gpmc_probe_generic_child()
1962 			cs);  in gpmc_probe_generic_child()
1963 		gpmc_cs_show_timings(cs,  in gpmc_probe_generic_child()
1969 	gpmc_cs_disable_mem(cs);  in gpmc_probe_generic_child()
1979 	ret = gpmc_cs_remap(cs, res.start);  in gpmc_probe_generic_child()
1982 			cs, &res.start);  in gpmc_probe_generic_child()
1990 	gpmc_cs_show_timings(cs, "before gpmc_cs_program_settings");  in gpmc_probe_generic_child()
1991 	ret = gpmc_cs_program_settings(cs, &gpmc_s);  in gpmc_probe_generic_child()
1995 	ret = gpmc_cs_set_timings(cs, &gpmc_t, &gpmc_s);  in gpmc_probe_generic_child()
2008 	gpmc_cs_enable_mem(cs);  in gpmc_probe_generic_child()
2031 	gpmc_cs_free(cs);  in gpmc_probe_generic_child()