diff options
Diffstat (limited to 'drivers/ram/rockchip/sdram_debug.c')
| -rw-r--r-- | drivers/ram/rockchip/sdram_debug.c | 147 | 
1 files changed, 0 insertions, 147 deletions
| diff --git a/drivers/ram/rockchip/sdram_debug.c b/drivers/ram/rockchip/sdram_debug.c deleted file mode 100644 index 9cf662675b2..00000000000 --- 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_common.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"); -	} -} | 
