The functions for dram info print are part of common code.
Signed-off-by: YouMin Chen cym@rock-chips.com Signed-off-by: Kever Yang kever.yang@rock-chips.com ---
Changes in v2: None
drivers/ram/rockchip/Makefile | 1 - drivers/ram/rockchip/sdram_common.c | 144 +++++++++++++++++++++++++++ drivers/ram/rockchip/sdram_debug.c | 147 ---------------------------- 3 files changed, 144 insertions(+), 148 deletions(-) delete mode 100644 drivers/ram/rockchip/sdram_debug.c
diff --git a/drivers/ram/rockchip/Makefile b/drivers/ram/rockchip/Makefile index 3d4f2f4ebf..483660e570 100644 --- a/drivers/ram/rockchip/Makefile +++ b/drivers/ram/rockchip/Makefile @@ -3,7 +3,6 @@ # Copyright (c) 2017 Theobroma Systems Design und Consulting GmbH # obj-$(CONFIG_ROCKCHIP_SDRAM_COMMON) += sdram_common.o -obj-$(CONFIG_RAM_ROCKCHIP_DEBUG) += sdram_debug.o obj-$(CONFIG_ROCKCHIP_RK3368) = dmc-rk3368.o obj-$(CONFIG_ROCKCHIP_RK3128) = sdram_rk3128.o obj-$(CONFIG_ROCKCHIP_RK3188) = sdram_rk3188.o diff --git a/drivers/ram/rockchip/sdram_common.c b/drivers/ram/rockchip/sdram_common.c index 3f0e1d9a42..6bc51572b2 100644 --- a/drivers/ram/rockchip/sdram_common.c +++ b/drivers/ram/rockchip/sdram_common.c @@ -10,6 +10,150 @@ #include <asm/arch-rockchip/sdram.h> #include <asm/arch-rockchip/sdram_common.h>
+#ifdef CONFIG_RAM_ROCKCHIP_DEBUG +void sdram_print_dram_type(unsigned char dramtype) +{ + switch (dramtype) { + case DDR3: + printascii("DDR3"); + break; + case DDR4: + printascii("DDR4"); + break; + case LPDDR2: + printascii("LPDDR2"); + break; + case LPDDR3: + printascii("LPDDR3"); + break; + case LPDDR4: + printascii("LPDDR4"); + break; + default: + printascii("Unknown Device"); + break; + } +} + +void sdram_print_ddr_info(struct sdram_cap_info *cap_info, + struct sdram_base_params *base) +{ + u64 cap; + u32 bg; + + bg = (cap_info->dbw == 0) ? 2 : 1; + + sdram_print_dram_type(base->dramtype); + + printascii(", "); + printdec(base->ddr_freq); + printascii("MHz\n"); + + printascii("BW="); + printdec(8 << cap_info->bw); + printascii(" Col="); + printdec(cap_info->col); + printascii(" Bk="); + printdec(0x1 << cap_info->bk); + if (base->dramtype == DDR4) { + printascii(" BG="); + printdec(1 << bg); + } + printascii(" CS0 Row="); + printdec(cap_info->cs0_row); + if (cap_info->cs0_high16bit_row != + cap_info->cs0_row) { + printascii("/"); + printdec(cap_info->cs0_high16bit_row); + } + if (cap_info->rank > 1) { + printascii(" CS1 Row="); + printdec(cap_info->cs1_row); + if (cap_info->cs1_high16bit_row != + cap_info->cs1_row) { + printascii("/"); + printdec(cap_info->cs1_high16bit_row); + } + } + printascii(" CS="); + printdec(cap_info->rank); + printascii(" Die BW="); + printdec(8 << cap_info->dbw); + + cap = sdram_get_cs_cap(cap_info, 3, base->dramtype); + if (cap_info->row_3_4) + cap = cap * 3 / 4; + + printascii(" Size="); + printdec(cap >> 20); + printascii("MB\n"); +} + +void sdram_print_stride(unsigned int stride) +{ + switch (stride) { + case 0xc: + printf("128B stride\n"); + break; + case 5: + case 9: + case 0xd: + case 0x11: + case 0x19: + printf("256B stride\n"); + break; + case 0xa: + case 0xe: + case 0x12: + printf("512B stride\n"); + break; + case 0xf: + printf("4K stride\n"); + break; + case 0x1f: + printf("32MB + 256B stride\n"); + break; + default: + printf("no stride\n"); + } +} +#endif + +/* + * cs: 0:cs0 + * 1:cs1 + * else cs0+cs1 + * note: it didn't consider about row_3_4 + */ +u64 sdram_get_cs_cap(struct sdram_cap_info *cap_info, u32 cs, u32 dram_type) +{ + u32 bg; + u64 cap[2]; + + if (dram_type == DDR4) + /* DDR4 8bit dram BG = 2(4bank groups), + * 16bit dram BG = 1 (2 bank groups) + */ + bg = (cap_info->dbw == 0) ? 2 : 1; + else + bg = 0; + cap[0] = 1llu << (cap_info->bw + cap_info->col + + bg + cap_info->bk + cap_info->cs0_row); + + if (cap_info->rank == 2) + cap[1] = 1llu << (cap_info->bw + cap_info->col + + bg + cap_info->bk + cap_info->cs1_row); + else + cap[1] = 0; + + if (cs == 0) + return cap[0]; + else if (cs == 1) + return cap[1]; + else + return (cap[0] + cap[1]); +} + /* n: Unit bytes */ void sdram_copy_to_reg(u32 *dest, const u32 *src, u32 n) { diff --git a/drivers/ram/rockchip/sdram_debug.c b/drivers/ram/rockchip/sdram_debug.c deleted file mode 100644 index 133d1938d5..0000000000 --- a/drivers/ram/rockchip/sdram_debug.c +++ /dev/null @@ -1,147 +0,0 @@ -// SPDX-License-Identifier: (GPL-2.0+ OR MIT) -/* - * (C) Copyright 2019 Rockchip Electronics Co., Ltd - * (C) Copyright 2019 Amarula Solutions. - * Author: Jagan Teki jagan@amarulasolutions.com - */ - -#include <common.h> -#include <debug_uart.h> -#include <asm/arch-rockchip/sdram.h> - -void sdram_print_dram_type(unsigned char dramtype) -{ - switch (dramtype) { - case DDR3: - printascii("DDR3"); - break; - case DDR4: - printascii("DDR4"); - break; - case LPDDR2: - printascii("LPDDR2"); - break; - case LPDDR3: - printascii("LPDDR3"); - break; - case LPDDR4: - printascii("LPDDR4"); - break; - default: - printascii("Unknown Device"); - break; - } -} - -/** - * cs = 0, cs0 - * cs = 1, cs1 - * cs => 2, cs0+cs1 - * note: it didn't consider about row_3_4 - */ -u64 sdram_get_cs_cap(struct sdram_cap_info *cap_info, u32 cs, u32 dram_type) -{ - u32 bg; - u64 cap[2]; - - if (dram_type == DDR4) - /* DDR4 8bit dram BG = 2(4bank groups), - * 16bit dram BG = 1 (2 bank groups) - */ - bg = (cap_info->dbw == 0) ? 2 : 1; - else - bg = 0; - - cap[0] = 1llu << (cap_info->bw + cap_info->col + - bg + cap_info->bk + cap_info->cs0_row); - - if (cap_info->rank == 2) - cap[1] = 1llu << (cap_info->bw + cap_info->col + - bg + cap_info->bk + cap_info->cs1_row); - else - cap[1] = 0; - - if (cs == 0) - return cap[0]; - else if (cs == 1) - return cap[1]; - else - return (cap[0] + cap[1]); -} - -void sdram_print_ddr_info(struct sdram_cap_info *cap_info, - struct sdram_base_params *base) -{ - u32 bg, cap; - - bg = (cap_info->dbw == 0) ? 2 : 1; - - sdram_print_dram_type(base->dramtype); - - printascii(", "); - printdec(base->ddr_freq); - printascii("MHz\n"); - - printascii("BW="); - printdec(8 << cap_info->bw); - - printascii(" Col="); - printdec(cap_info->col); - - printascii(" Bk="); - printdec(0x1 << cap_info->bk); - if (base->dramtype == DDR4) { - printascii(" BG="); - printdec(1 << bg); - } - - printascii(" CS0 Row="); - printdec(cap_info->cs0_row); - if (cap_info->rank > 1) { - printascii(" CS1 Row="); - printdec(cap_info->cs1_row); - } - - printascii(" CS="); - printdec(cap_info->rank); - - printascii(" Die BW="); - printdec(8 << cap_info->dbw); - - cap = sdram_get_cs_cap(cap_info, 3, base->dramtype); - if (cap_info->row_3_4) - cap = cap * 3 / 4; - - printascii(" Size="); - printdec(cap >> 20); - printascii("MB\n"); -} - -void sdram_print_stride(unsigned int stride) -{ - switch (stride) { - case 0xc: - printf("128B stride\n"); - break; - case 5: - case 9: - case 0xd: - case 0x11: - case 0x19: - printf("256B stride\n"); - break; - case 0xa: - case 0xe: - case 0x12: - printf("512B stride\n"); - break; - case 0xf: - printf("4K stride\n"); - break; - case 0x1f: - printf("32MB + 256B stride\n"); - break; - default: - printf("no stride\n"); - } -}