| /Linux-v6.1/Documentation/devicetree/bindings/sram/ |
| D | sram.yaml | 4 $id: http://devicetree.org/schemas/sram/sram.yaml#
7 title: Generic on-chip SRAM
15 Each child of the sram node specifies a region of reserved memory. Each
25 pattern: "^sram(@.*)?"
30 - mmio-sram
31 - amlogic,meson-gxbb-sram
32 - arm,juno-sram-ns
38 - rockchip,rk3288-pmu-sram
47 SRAM clock.
58 Should translate from local addresses within the sram to bus addresses.
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| D | allwinner,sun4i-a10-system-control.yaml | 4 $id: http://devicetree.org/schemas/sram/allwinner,sun4i-a10-system-control.yaml#
14 The SRAM controller found on most Allwinner devices is represented
15 by a regular node for the SRAM controller itself, with sub-nodes
16 representing the SRAM handled by the SRAM controller.
28 - allwinner,sun4i-a10-sram-controller
29 - allwinner,sun50i-a64-sram-controller
59 "^sram@[a-z0-9]+":
64 const: mmio-sram
67 "^sram-section?@[a-f0-9]+$":
73 - const: allwinner,sun4i-a10-sram-a3-a4
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| /Linux-v6.1/drivers/misc/ |
| D | sram.c | 3 * Generic on-chip SRAM allocation driver
21 #include "sram.h"
55 static int sram_add_pool(struct sram_dev *sram, struct sram_reserve *block, in sram_add_pool() argument
60 part->pool = devm_gen_pool_create(sram->dev, ilog2(SRAM_GRANULARITY), in sram_add_pool()
68 dev_err(sram->dev, "failed to register subpool: %d\n", ret); in sram_add_pool()
75 static int sram_add_export(struct sram_dev *sram, struct sram_reserve *block, in sram_add_export() argument
79 part->battr.attr.name = devm_kasprintf(sram->dev, GFP_KERNEL, in sram_add_export()
80 "%llx.sram", in sram_add_export()
90 return device_create_bin_file(sram->dev, &part->battr); in sram_add_export()
93 static int sram_add_partition(struct sram_dev *sram, struct sram_reserve *block, in sram_add_partition() argument
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| D | sram-exec.c | 3 * SRAM protect-exec region helper functions
12 #include <linux/sram.h>
17 #include "sram.h"
22 int sram_check_protect_exec(struct sram_dev *sram, struct sram_reserve *block, in sram_check_protect_exec() argument
29 dev_err(sram->dev, in sram_check_protect_exec()
30 "SRAM pool marked with 'protect-exec' is not page aligned and will not be created.\n"); in sram_check_protect_exec()
47 * sram_exec_copy - copy data to a protected executable region of sram
49 * @pool: struct gen_pool retrieved that is part of this sram
57 * This helper function allows sram driver to act as central control location
58 * of 'protect-exec' pools which are normal sram pools but are always set
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| /Linux-v6.1/arch/arm/mach-omap1/ |
| D | sram-init.c | 3 * OMAP SRAM detection and management
22 #include "sram.h"
35 * Memory allocator for SRAM: calculates the new ceiling address
48 pr_err("Not enough space in SRAM\n"); in omap_sram_push_address()
61 void *sram; in omap_sram_push() local
66 sram = omap_sram_push_address(size); in omap_sram_push()
67 if (!sram) in omap_sram_push()
70 base = (unsigned long)sram & PAGE_MASK; in omap_sram_push()
75 dst = fncpy(sram, funcp, size); in omap_sram_push()
84 * The amount of SRAM depends on the core type.
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| /Linux-v6.1/arch/arm/mach-omap2/ |
| D | sram.c | 4 * OMAP SRAM detection and management
29 #include "sram.h"
57 * Memory allocator for SRAM: calculates the new ceiling address
70 pr_err("Not enough space in SRAM\n"); in omap_sram_push_address()
83 void *sram; in omap_sram_push() local
88 sram = omap_sram_push_address(size); in omap_sram_push()
89 if (!sram) in omap_sram_push()
92 base = (unsigned long)sram & PAGE_MASK; in omap_sram_push()
97 dst = fncpy(sram, funcp, size); in omap_sram_push()
106 * The SRAM context is lost during off-idle and stack
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| /Linux-v6.1/arch/arm/boot/dts/ |
| D | lpc4350.dtsi | 24 sram0: sram@10000000 {
25 compatible = "mmio-sram";
26 reg = <0x10000000 0x20000>; /* 96 + 32 KiB local SRAM */
29 sram1: sram@10080000 {
30 compatible = "mmio-sram";
31 reg = <0x10080000 0x12000>; /* 64 + 8 KiB local SRAM */
34 sram2: sram@20000000 {
35 compatible = "mmio-sram";
36 reg = <0x20000000 0x10000>; /* 4 x 16 KiB AHB SRAM */
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| D | lpc4357.dtsi | 24 sram0: sram@10000000 {
25 compatible = "mmio-sram";
26 reg = <0x10000000 0x8000>; /* 32 KiB local SRAM */
29 sram1: sram@10080000 {
30 compatible = "mmio-sram";
31 reg = <0x10080000 0xa000>; /* 32 + 8 KiB local SRAM */
34 sram2: sram@20000000 {
35 compatible = "mmio-sram";
36 reg = <0x20000000 0x10000>; /* 4 x 16 KiB AHB SRAM */
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| /Linux-v6.1/arch/arm/mach-davinci/ |
| D | sram.h | 3 * mach/sram.h - DaVinci simple SRAM allocator
10 /* ARBITRARY: SRAM allocations are multiples of this 2^N size */
14 * SRAM allocations return a CPU virtual address, or NULL on error.
15 * If a DMA address is requested and the SRAM supports DMA, its
18 * Errors include SRAM memory not being available, and requesting
19 * DMA mapped SRAM on systems which don't allow that.
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| /Linux-v6.1/drivers/mtd/devices/ |
| D | ms02-nv.h | 16 * 0x000000 - 0x3fffff SRAM
19 * Within the SRAM area the following ranges are forced by the system
28 * ID value is found, the firmware considers the SRAM clean, i.e.
38 * as well as the size of SRAM available, which can be 1MiB or 2MiB
44 * stored in the SRAM cannot be relied upon. But from the hardware
74 #define MS02NV_DIAG_TEST 0x01 /* SRAM test done (?) */
75 #define MS02NV_DIAG_RO 0x02 /* SRAM r/o test done */
76 #define MS02NV_DIAG_RW 0x04 /* SRAM r/w test done */
77 #define MS02NV_DIAG_FAIL 0x08 /* SRAM test failed */
78 #define MS02NV_DIAG_SIZE_MASK 0xf0 /* SRAM size mask */
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| /Linux-v6.1/Documentation/devicetree/bindings/crypto/ |
| D | mv_cesa.txt | 9 region. Can also contain an entry for the SRAM attached to the CESA,
12 - reg-names: "regs". Can contain an "sram" entry, but this representation
17 - marvell,crypto-srams: phandle to crypto SRAM definitions
20 - marvell,crypto-sram-size: SRAM size reserved for crypto operations, if not
21 specified the whole SRAM is used (2KB)
31 marvell,crypto-sram-size = <0x600>;
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| D | marvell-cesa.txt | 13 region. Can also contain an entry for the SRAM attached to the CESA,
16 - reg-names: "regs". Can contain an "sram" entry, but this representation
26 - marvell,crypto-srams: phandle to crypto SRAM definitions
29 - marvell,crypto-sram-size: SRAM size reserved for crypto operations, if not
30 specified the whole SRAM is used (2KB)
43 marvell,crypto-sram-size = <0x600>;
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| /Linux-v6.1/Documentation/arm/stm32/ |
| D | stm32-dma-mdma-chaining.rst | 29 the system SRAM) for different peripheral. It can access external RAMs but
110 STM32 DMA-MDMA chaining feature then uses a SRAM buffer. STM32MP1 SoCs embed
113 bad with DDR, while they are optimal with SRAM. Hence the SRAM buffer used
124 | DMA_SxM0AR |<=>| | SRAM | |<=>| []-[]...[] |
140 **1. Allocate a SRAM buffer**
142 SRAM device tree node is defined in SoC device tree. You can refer to it in
143 your board device tree to define your SRAM pool.
146 &sram {
147 my_foo_device_dma_pool: dma-sram@0 {
152 Be careful of the start index, in case there are other SRAM consumers.
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| /Linux-v6.1/drivers/net/wireless/ath/ath9k/ |
| D | ar9003_aic.c | 279 struct ath_aic_sram_info sram; in ar9003_aic_cal_post_process() local
282 cal_sram_valid[i] = sram.valid = in ar9003_aic_cal_post_process()
284 sram.rot_quad_att_db = in ar9003_aic_cal_post_process()
286 sram.vga_quad_sign = in ar9003_aic_cal_post_process()
288 sram.rot_dir_att_db = in ar9003_aic_cal_post_process()
290 sram.vga_dir_sign = in ar9003_aic_cal_post_process()
292 sram.com_att_6db = in ar9003_aic_cal_post_process()
295 if (sram.valid) { in ar9003_aic_cal_post_process()
296 dir_path_gain_idx = sram.rot_dir_att_db + in ar9003_aic_cal_post_process()
297 com_att_db_table[sram.com_att_6db]; in ar9003_aic_cal_post_process()
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| /Linux-v6.1/arch/powerpc/platforms/52xx/ |
| D | mpc52xx_pm.c | 12 extern void mpc52xx_deep_sleep(void __iomem *sram, void __iomem *sdram_regs,
24 static void __iomem *sram; variable
81 mbar = ioremap(res.start, 0xc000); /* we should map whole region including SRAM */ in mpc52xx_pm_prepare()
93 sram = mbar + 0x8000; /* Those will be handled by the */ in mpc52xx_pm_prepare()
134 /* save SRAM */ in mpc52xx_pm_enter()
135 memcpy(saved_sram, sram, sram_size); in mpc52xx_pm_enter()
137 /* copy low level suspend code to sram */ in mpc52xx_pm_enter()
138 memcpy(sram, mpc52xx_ds_sram, mpc52xx_ds_sram_size); in mpc52xx_pm_enter()
144 /* disable all but SDRAM and bestcomm (SRAM) clocks */ in mpc52xx_pm_enter()
162 mpc52xx_deep_sleep(sram, sdram, cdm, intr); in mpc52xx_pm_enter()
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| /Linux-v6.1/Documentation/devicetree/bindings/memory-controllers/ |
| D | canaan,k210-sram.yaml | 4 $id: http://devicetree.org/schemas/memory-controllers/canaan,k210-sram.yaml#
7 title: Canaan K210 SRAM memory controller
10 The Canaan K210 SRAM memory controller is responsible for the system's 8 MiB
11 of SRAM. The controller is initialised by the bootloader, which configures
20 - canaan,k210-sram
47 compatible = "canaan,k210-sram";
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| /Linux-v6.1/Documentation/devicetree/bindings/net/ |
| D | marvell-orion-net.txt | 43 - marvell,tx-sram-addr: address of transmit descriptor buffer located in SRAM.
44 - marvell,tx-sram-size: size of transmit descriptor buffer located in SRAM.
46 - marvell,rx-sram-addr: address of receive descriptor buffer located in SRAM.
47 - marvell,rx-sram-size: size of receive descriptor buffer located in SRAM.
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| /Linux-v6.1/Documentation/devicetree/bindings/remoteproc/ |
| D | amlogic,meson-mx-ao-arc.yaml | 50 sram:
53 phandles to a reserved SRAM region which is used as the memory of
55 AHB SRAM node as per the generic bindings in
56 Documentation/devicetree/bindings/sram/sram.yaml
70 - sram
83 sram = <&ahb_sram_ao_arc>;
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| /Linux-v6.1/drivers/memory/ |
| D | ti-emif-pm.c | 3 * TI AM33XX SRAM EMIF Driver
17 #include <linux/sram.h>
18 #include <linux/ti-emif-sram.h>
69 emif_data->sram_pool_code = of_gen_pool_get(np, "sram", 0); in ti_emif_alloc_sram()
71 dev_err(dev, "Unable to get sram pool for ocmcram code\n"); in ti_emif_alloc_sram()
88 /* Get sram pool for data section and allocate space */ in ti_emif_alloc_sram()
89 emif_data->sram_pool_data = of_gen_pool_get(np, "sram", 1); in ti_emif_alloc_sram()
91 dev_err(dev, "Unable to get sram pool for ocmcram data\n"); in ti_emif_alloc_sram()
158 dev_err(dev, "Cannot copy emif code to sram\n"); in ti_emif_push_sram()
169 dev_err(dev, "Cannot copy emif data to code sram\n"); in ti_emif_push_sram()
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| /Linux-v6.1/drivers/crypto/ccree/ |
| D | cc_sram_mgr.h | 16 * cc_sram_mgr_init() - Initializes SRAM pool.
17 * The first X bytes of SRAM are reserved for ROM usage, hence, pool
28 * cc_sram_alloc() - Allocate buffer from SRAM pool.
34 * Address offset in SRAM or NULL_SRAM_ADDR for failure.
40 * set values in given array into SRAM.
44 * @dst: The target SRAM buffer to set into
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| D | cc_sram_mgr.c | 8 * cc_sram_mgr_init() - Initializes SRAM pool.
9 * The pool starts right at the beginning of SRAM.
26 dev_err(dev, "Invalid SRAM offset 0x%x\n", start); in cc_sram_mgr_init()
36 * cc_sram_alloc() - Allocate buffer from SRAM pool.
42 * Address offset in SRAM or NULL_SRAM_ADDR for failure.
68 * set values in given array into SRAM.
72 * @dst: The target SRAM buffer to set into
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| /Linux-v6.1/drivers/fsi/ |
| D | fsi-master-ast-cf.c | 82 /* Amount of SRAM required */
111 void __iomem *sram; member
315 iowrite32be(op, master->sram + CMD_STAT_REG); in do_copro_command()
328 stat = ioread8(master->sram + CMD_STAT_REG); in do_copro_command()
365 /* Store message into SRAM */ in send_request()
366 iowrite32be((cmd->msg >> 32), master->sram + CMD_DATA); in send_request()
367 iowrite32be((cmd->msg & 0xffffffff), master->sram + CMD_DATA + 4); in send_request()
380 uint8_t rtag = ioread8(master->sram + STAT_RTAG) & 0xf; in read_copro_response()
381 uint8_t rcrc = ioread8(master->sram + STAT_RCRC) & 0xf; in read_copro_response()
392 rdata = ioread32be(master->sram + RSP_DATA); in read_copro_response()
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| /Linux-v6.1/drivers/media/pci/cx25821/ |
| D | cx25821-sram.h | 12 /* #define RX_SRAM_START_SIZE = 0; // Start of reserved SRAM */
17 /* #define RX_SRAM_POOL_START_SIZE = 0; // Start of usable RX SRAM for buffers */
26 /* #define RX_SRAM_POOL_FREE_SIZE = 16; // Start of available RX SRAM */
27 /* #define RX_SRAM_END_SIZE = 0; // End of RX SRAM */
29 /* #define TX_SRAM_POOL_START_SIZE = 0; // Start of transmit pool SRAM */
36 /* #define TX_SRAM_POOL_FREE_SIZE = 704; // Start of available TX SRAM */
37 /* #define TX_SRAM_END_SIZE = 0; // End of TX SRAM */
39 /* Receive SRAM */
167 /* Free Receive SRAM 144 Bytes */
169 /* Transmit SRAM */
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| /Linux-v6.1/drivers/media/common/b2c2/ |
| D | flexcop-sram.c | 4 * flexcop-sram.c - functions for controlling the SRAM
38 err("SRAM destination target to available on FlexCopII(b)\n"); in flexcop_sram_set_dest()
41 deb_sram("sram dest: %x target: %x\n", dest, target); in flexcop_sram_set_dest()
92 printk("%s: SRAM timeout\n", __func__);
117 printk("%s: SRAM timeout\n", __func__);
129 printk("%s: SRAM timeout\n", __func__);
293 /* FlexcopII can work with 32K, 64K or 128K of external SRAM memory.
318 // check for internal SRAM ???
324 dprintk("%s: sram size = 32K\n", __func__);
332 dprintk("%s: sram size = 128K\n", __func__);
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| /Linux-v6.1/drivers/soc/sunxi/ |
| D | sunxi_sram.c | 2 * Allwinner SoCs SRAM Controller Driver
87 .compatible = "allwinner,sun4i-a10-sram-a3-a4",
91 .compatible = "allwinner,sun4i-a10-sram-c1",
95 .compatible = "allwinner,sun4i-a10-sram-d",
99 .compatible = "allwinner,sun50i-a64-sram-c",
119 seq_puts(s, "Allwinner sunXi SRAM\n"); in sunxi_sram_show()
125 seq_printf(s, "sram@%08x\n", in sunxi_sram_show()
175 ret = of_parse_phandle_with_fixed_args(node, "allwinner,sram", 1, 0, in sunxi_sram_of_parse()
364 debugfs_create_file("sram", 0444, NULL, NULL, &sunxi_sram_fops); in sunxi_sram_probe()
371 .compatible = "allwinner,sun4i-a10-sram-controller",
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