diff options
Diffstat (limited to 'arch/arm/include/asm/arch-at91/at91sam9_sdramc.h')
| -rw-r--r-- | arch/arm/include/asm/arch-at91/at91sam9_sdramc.h | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/arch/arm/include/asm/arch-at91/at91sam9_sdramc.h b/arch/arm/include/asm/arch-at91/at91sam9_sdramc.h deleted file mode 100644 index 3a076c6..0000000 --- a/arch/arm/include/asm/arch-at91/at91sam9_sdramc.h +++ /dev/null @@ -1,117 +0,0 @@ -/* - * [origin: Linux kernel arch/arm/mach-at91/include/mach/at91_wdt.h] - * - * Copyright (C) 2009 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> - * Copyright (C) 2007 Andrew Victor - * Copyright (C) 2007 Atmel Corporation. - * - * SDRAM Controllers (SDRAMC) - System peripherals registers. - * Based on AT91SAM9261 datasheet revision D. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef AT91SAM9_SDRAMC_H -#define AT91SAM9_SDRAMC_H - -#ifdef __ASSEMBLY__ - -#ifndef ATMEL_BASE_SDRAMC -#define ATMEL_BASE_SDRAMC ATMEL_BASE_SDRAMC0 -#endif - -#define AT91_ASM_SDRAMC_MR ATMEL_BASE_SDRAMC -#define AT91_ASM_SDRAMC_TR (ATMEL_BASE_SDRAMC + 0x04) -#define AT91_ASM_SDRAMC_CR (ATMEL_BASE_SDRAMC + 0x08) -#define AT91_ASM_SDRAMC_MDR (ATMEL_BASE_SDRAMC + 0x24) - -#else -struct sdramc_reg { - u32 mr; - u32 tr; - u32 cr; - u32 lpr; - u32 ier; - u32 idr; - u32 imr; - u32 isr; - u32 mdr; -}; - -int sdramc_initialize(unsigned int sdram_address, - const struct sdramc_reg *p); -#endif - -/* SDRAM Controller (SDRAMC) registers */ -#define AT91_SDRAMC_MR (ATMEL_BASE_SDRAMC + 0x00) /* SDRAM Controller Mode Register */ -#define AT91_SDRAMC_MODE (0xf << 0) /* Command Mode */ -#define AT91_SDRAMC_MODE_NORMAL 0 -#define AT91_SDRAMC_MODE_NOP 1 -#define AT91_SDRAMC_MODE_PRECHARGE 2 -#define AT91_SDRAMC_MODE_LMR 3 -#define AT91_SDRAMC_MODE_REFRESH 4 -#define AT91_SDRAMC_MODE_EXT_LMR 5 -#define AT91_SDRAMC_MODE_DEEP 6 - -#define AT91_SDRAMC_TR (ATMEL_BASE_SDRAMC + 0x04) /* SDRAM Controller Refresh Timer Register */ -#define AT91_SDRAMC_COUNT (0xfff << 0) /* Refresh Timer Counter */ - -#define AT91_SDRAMC_CR (ATMEL_BASE_SDRAMC + 0x08) /* SDRAM Controller Configuration Register */ -#define AT91_SDRAMC_NC (3 << 0) /* Number of Column Bits */ -#define AT91_SDRAMC_NC_8 (0 << 0) -#define AT91_SDRAMC_NC_9 (1 << 0) -#define AT91_SDRAMC_NC_10 (2 << 0) -#define AT91_SDRAMC_NC_11 (3 << 0) -#define AT91_SDRAMC_NR (3 << 2) /* Number of Row Bits */ -#define AT91_SDRAMC_NR_11 (0 << 2) -#define AT91_SDRAMC_NR_12 (1 << 2) -#define AT91_SDRAMC_NR_13 (2 << 2) -#define AT91_SDRAMC_NB (1 << 4) /* Number of Banks */ -#define AT91_SDRAMC_NB_2 (0 << 4) -#define AT91_SDRAMC_NB_4 (1 << 4) -#define AT91_SDRAMC_CAS (3 << 5) /* CAS Latency */ -#define AT91_SDRAMC_CAS_1 (1 << 5) -#define AT91_SDRAMC_CAS_2 (2 << 5) -#define AT91_SDRAMC_CAS_3 (3 << 5) -#define AT91_SDRAMC_DBW (1 << 7) /* Data Bus Width */ -#define AT91_SDRAMC_DBW_32 (0 << 7) -#define AT91_SDRAMC_DBW_16 (1 << 7) -#define AT91_SDRAMC_TWR (0xf << 8) /* Write Recovery Delay */ -#define AT91_SDRAMC_TWR_VAL(x) (x << 8) -#define AT91_SDRAMC_TRC (0xf << 12) /* Row Cycle Delay */ -#define AT91_SDRAMC_TRC_VAL(x) (x << 12) -#define AT91_SDRAMC_TRP (0xf << 16) /* Row Precharge Delay */ -#define AT91_SDRAMC_TRP_VAL(x) (x << 16) -#define AT91_SDRAMC_TRCD (0xf << 20) /* Row to Column Delay */ -#define AT91_SDRAMC_TRCD_VAL(x) (x << 20) -#define AT91_SDRAMC_TRAS (0xf << 24) /* Active to Precharge Delay */ -#define AT91_SDRAMC_TRAS_VAL(x) (x << 24) -#define AT91_SDRAMC_TXSR (0xf << 28) /* Exit Self Refresh to Active Delay */ -#define AT91_SDRAMC_TXSR_VAL(x) (x << 28) - -#define AT91_SDRAMC_LPR (ATMEL_BASE_SDRAMC + 0x10) /* SDRAM Controller Low Power Register */ -#define AT91_SDRAMC_LPCB (3 << 0) /* Low-power Configurations */ -#define AT91_SDRAMC_LPCB_DISABLE 0 -#define AT91_SDRAMC_LPCB_SELF_REFRESH 1 -#define AT91_SDRAMC_LPCB_POWER_DOWN 2 -#define AT91_SDRAMC_LPCB_DEEP_POWER_DOWN 3 -#define AT91_SDRAMC_PASR (7 << 4) /* Partial Array Self Refresh */ -#define AT91_SDRAMC_TCSR (3 << 8) /* Temperature Compensated Self Refresh */ -#define AT91_SDRAMC_DS (3 << 10) /* Drive Strength */ -#define AT91_SDRAMC_TIMEOUT (3 << 12) /* Time to define when Low Power Mode is enabled */ -#define AT91_SDRAMC_TIMEOUT_0_CLK_CYCLES (0 << 12) -#define AT91_SDRAMC_TIMEOUT_64_CLK_CYCLES (1 << 12) -#define AT91_SDRAMC_TIMEOUT_128_CLK_CYCLES (2 << 12) - -#define AT91_SDRAMC_IER (ATMEL_BASE_SDRAMC + 0x14) /* SDRAM Controller Interrupt Enable Register */ -#define AT91_SDRAMC_IDR (ATMEL_BASE_SDRAMC + 0x18) /* SDRAM Controller Interrupt Disable Register */ -#define AT91_SDRAMC_IMR (ATMEL_BASE_SDRAMC + 0x1C) /* SDRAM Controller Interrupt Mask Register */ -#define AT91_SDRAMC_ISR (ATMEL_BASE_SDRAMC + 0x20) /* SDRAM Controller Interrupt Status Register */ -#define AT91_SDRAMC_RES (1 << 0) /* Refresh Error Status */ - -#define AT91_SDRAMC_MDR (ATMEL_BASE_SDRAMC + 0x24) /* SDRAM Memory Device Register */ -#define AT91_SDRAMC_MD (3 << 0) /* Memory Device Type */ -#define AT91_SDRAMC_MD_SDRAM 0 -#define AT91_SDRAMC_MD_LOW_POWER_SDRAM 1 - -#endif |