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From: Roger Quadros <rogerq@ti.com>
To: tony@atomide.com, computersforpeace@gmail.com,
	boris.brezillon@free-electrons.com
Cc: dwmw2@infradead.org, ezequiel@vanguardiasur.com.ar,
	javier@dowhile0.org, fcooper@ti.com, nsekhar@ti.com,
	linux-mtd@lists.infradead.org, linux-omap@vger.kernel.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	Roger Quadros <rogerq@ti.com>
Subject: [PATCH v6 02/17] ARM: OMAP2+: gpmc: Add gpmc timings and settings to platform data
Date: Thu, 7 Apr 2016 13:08:20 +0300	[thread overview]
Message-ID: <1460023715-19332-3-git-send-email-rogerq@ti.com> (raw)
In-Reply-To: <1460023715-19332-1-git-send-email-rogerq@ti.com>

Add device_timings, gpmc_timings and gpmc_setting to
gpmc platform data.

Signed-off-by: Roger Quadros <rogerq@ti.com>
---
 include/linux/omap-gpmc.h               | 139 -------------------------------
 include/linux/platform_data/gpmc-omap.h | 142 ++++++++++++++++++++++++++++++++
 2 files changed, 142 insertions(+), 139 deletions(-)

diff --git a/include/linux/omap-gpmc.h b/include/linux/omap-gpmc.h
index 45d9075..2dcef1c 100644
--- a/include/linux/omap-gpmc.h
+++ b/include/linux/omap-gpmc.h
@@ -14,145 +14,6 @@
 #define GPMC_IRQ_FIFOEVENTENABLE	0x01
 #define GPMC_IRQ_COUNT_EVENT		0x02
 
-#define GPMC_BURST_4			4	/* 4 word burst */
-#define GPMC_BURST_8			8	/* 8 word burst */
-#define GPMC_BURST_16			16	/* 16 word burst */
-#define GPMC_DEVWIDTH_8BIT		1	/* 8-bit device width */
-#define GPMC_DEVWIDTH_16BIT		2	/* 16-bit device width */
-#define GPMC_MUX_AAD			1	/* Addr-Addr-Data multiplex */
-#define GPMC_MUX_AD			2	/* Addr-Data multiplex */
-
-/* bool type time settings */
-struct gpmc_bool_timings {
-	bool cycle2cyclediffcsen;
-	bool cycle2cyclesamecsen;
-	bool we_extra_delay;
-	bool oe_extra_delay;
-	bool adv_extra_delay;
-	bool cs_extra_delay;
-	bool time_para_granularity;
-};
-
-/*
- * Note that all values in this struct are in nanoseconds except sync_clk
- * (which is in picoseconds), while the register values are in gpmc_fck cycles.
- */
-struct gpmc_timings {
-	/* Minimum clock period for synchronous mode (in picoseconds) */
-	u32 sync_clk;
-
-	/* Chip-select signal timings corresponding to GPMC_CS_CONFIG2 */
-	u32 cs_on;		/* Assertion time */
-	u32 cs_rd_off;		/* Read deassertion time */
-	u32 cs_wr_off;		/* Write deassertion time */
-
-	/* ADV signal timings corresponding to GPMC_CONFIG3 */
-	u32 adv_on;		/* Assertion time */
-	u32 adv_rd_off;		/* Read deassertion time */
-	u32 adv_wr_off;		/* Write deassertion time */
-	u32 adv_aad_mux_on;	/* ADV assertion time for AAD */
-	u32 adv_aad_mux_rd_off;	/* ADV read deassertion time for AAD */
-	u32 adv_aad_mux_wr_off;	/* ADV write deassertion time for AAD */
-
-	/* WE signals timings corresponding to GPMC_CONFIG4 */
-	u32 we_on;		/* WE assertion time */
-	u32 we_off;		/* WE deassertion time */
-
-	/* OE signals timings corresponding to GPMC_CONFIG4 */
-	u32 oe_on;		/* OE assertion time */
-	u32 oe_off;		/* OE deassertion time */
-	u32 oe_aad_mux_on;	/* OE assertion time for AAD */
-	u32 oe_aad_mux_off;	/* OE deassertion time for AAD */
-
-	/* Access time and cycle time timings corresponding to GPMC_CONFIG5 */
-	u32 page_burst_access;	/* Multiple access word delay */
-	u32 access;		/* Start-cycle to first data valid delay */
-	u32 rd_cycle;		/* Total read cycle time */
-	u32 wr_cycle;		/* Total write cycle time */
-
-	u32 bus_turnaround;
-	u32 cycle2cycle_delay;
-
-	u32 wait_monitoring;
-	u32 clk_activation;
-
-	/* The following are only on OMAP3430 */
-	u32 wr_access;		/* WRACCESSTIME */
-	u32 wr_data_mux_bus;	/* WRDATAONADMUXBUS */
-
-	struct gpmc_bool_timings bool_timings;
-};
-
-/* Device timings in picoseconds */
-struct gpmc_device_timings {
-	u32 t_ceasu;	/* address setup to CS valid */
-	u32 t_avdasu;	/* address setup to ADV valid */
-	/* XXX: try to combine t_avdp_r & t_avdp_w. Issue is
-	 * of tusb using these timings even for sync whilst
-	 * ideally for adv_rd/(wr)_off it should have considered
-	 * t_avdh instead. This indirectly necessitates r/w
-	 * variations of t_avdp as it is possible to have one
-	 * sync & other async
-	 */
-	u32 t_avdp_r;	/* ADV low time (what about t_cer ?) */
-	u32 t_avdp_w;
-	u32 t_aavdh;	/* address hold time */
-	u32 t_oeasu;	/* address setup to OE valid */
-	u32 t_aa;	/* access time from ADV assertion */
-	u32 t_iaa;	/* initial access time */
-	u32 t_oe;	/* access time from OE assertion */
-	u32 t_ce;	/* access time from CS asertion */
-	u32 t_rd_cycle;	/* read cycle time */
-	u32 t_cez_r;	/* read CS deassertion to high Z */
-	u32 t_cez_w;	/* write CS deassertion to high Z */
-	u32 t_oez;	/* OE deassertion to high Z */
-	u32 t_weasu;	/* address setup to WE valid */
-	u32 t_wpl;	/* write assertion time */
-	u32 t_wph;	/* write deassertion time */
-	u32 t_wr_cycle;	/* write cycle time */
-
-	u32 clk;
-	u32 t_bacc;	/* burst access valid clock to output delay */
-	u32 t_ces;	/* CS setup time to clk */
-	u32 t_avds;	/* ADV setup time to clk */
-	u32 t_avdh;	/* ADV hold time from clk */
-	u32 t_ach;	/* address hold time from clk */
-	u32 t_rdyo;	/* clk to ready valid */
-
-	u32 t_ce_rdyz;	/* XXX: description ?, or use t_cez instead */
-	u32 t_ce_avd;	/* CS on to ADV on delay */
-
-	/* XXX: check the possibility of combining
-	 * cyc_aavhd_oe & cyc_aavdh_we
-	 */
-	u8 cyc_aavdh_oe;/* read address hold time in cycles */
-	u8 cyc_aavdh_we;/* write address hold time in cycles */
-	u8 cyc_oe;	/* access time from OE assertion in cycles */
-	u8 cyc_wpl;	/* write deassertion time in cycles */
-	u32 cyc_iaa;	/* initial access time in cycles */
-
-	/* extra delays */
-	bool ce_xdelay;
-	bool avd_xdelay;
-	bool oe_xdelay;
-	bool we_xdelay;
-};
-
-struct gpmc_settings {
-	bool burst_wrap;	/* enables wrap bursting */
-	bool burst_read;	/* enables read page/burst mode */
-	bool burst_write;	/* enables write page/burst mode */
-	bool device_nand;	/* device is NAND */
-	bool sync_read;		/* enables synchronous reads */
-	bool sync_write;	/* enables synchronous writes */
-	bool wait_on_read;	/* monitor wait on reads */
-	bool wait_on_write;	/* monitor wait on writes */
-	u32 burst_len;		/* page/burst length */
-	u32 device_width;	/* device bus width (8 or 16 bit) */
-	u32 mux_add_data;	/* multiplex address & data */
-	u32 wait_pin;		/* wait-pin to be used */
-};
-
 extern int gpmc_calc_timings(struct gpmc_timings *gpmc_t,
 			     struct gpmc_settings *gpmc_s,
 			     struct gpmc_device_timings *dev_t);
diff --git a/include/linux/platform_data/gpmc-omap.h b/include/linux/platform_data/gpmc-omap.h
index 6804a8b..67ccdb0 100644
--- a/include/linux/platform_data/gpmc-omap.h
+++ b/include/linux/platform_data/gpmc-omap.h
@@ -15,10 +15,152 @@
 /* Maximum Number of Chip Selects */
 #define GPMC_CS_NUM		8
 
+/* bool type time settings */
+struct gpmc_bool_timings {
+	bool cycle2cyclediffcsen;
+	bool cycle2cyclesamecsen;
+	bool we_extra_delay;
+	bool oe_extra_delay;
+	bool adv_extra_delay;
+	bool cs_extra_delay;
+	bool time_para_granularity;
+};
+
+/*
+ * Note that all values in this struct are in nanoseconds except sync_clk
+ * (which is in picoseconds), while the register values are in gpmc_fck cycles.
+ */
+struct gpmc_timings {
+	/* Minimum clock period for synchronous mode (in picoseconds) */
+	u32 sync_clk;
+
+	/* Chip-select signal timings corresponding to GPMC_CS_CONFIG2 */
+	u32 cs_on;		/* Assertion time */
+	u32 cs_rd_off;		/* Read deassertion time */
+	u32 cs_wr_off;		/* Write deassertion time */
+
+	/* ADV signal timings corresponding to GPMC_CONFIG3 */
+	u32 adv_on;		/* Assertion time */
+	u32 adv_rd_off;		/* Read deassertion time */
+	u32 adv_wr_off;		/* Write deassertion time */
+	u32 adv_aad_mux_on;	/* ADV assertion time for AAD */
+	u32 adv_aad_mux_rd_off;	/* ADV read deassertion time for AAD */
+	u32 adv_aad_mux_wr_off;	/* ADV write deassertion time for AAD */
+
+	/* WE signals timings corresponding to GPMC_CONFIG4 */
+	u32 we_on;		/* WE assertion time */
+	u32 we_off;		/* WE deassertion time */
+
+	/* OE signals timings corresponding to GPMC_CONFIG4 */
+	u32 oe_on;		/* OE assertion time */
+	u32 oe_off;		/* OE deassertion time */
+	u32 oe_aad_mux_on;	/* OE assertion time for AAD */
+	u32 oe_aad_mux_off;	/* OE deassertion time for AAD */
+
+	/* Access time and cycle time timings corresponding to GPMC_CONFIG5 */
+	u32 page_burst_access;	/* Multiple access word delay */
+	u32 access;		/* Start-cycle to first data valid delay */
+	u32 rd_cycle;		/* Total read cycle time */
+	u32 wr_cycle;		/* Total write cycle time */
+
+	u32 bus_turnaround;
+	u32 cycle2cycle_delay;
+
+	u32 wait_monitoring;
+	u32 clk_activation;
+
+	/* The following are only on OMAP3430 */
+	u32 wr_access;		/* WRACCESSTIME */
+	u32 wr_data_mux_bus;	/* WRDATAONADMUXBUS */
+
+	struct gpmc_bool_timings bool_timings;
+};
+
+/* Device timings in picoseconds */
+struct gpmc_device_timings {
+	u32 t_ceasu;	/* address setup to CS valid */
+	u32 t_avdasu;	/* address setup to ADV valid */
+	/* XXX: try to combine t_avdp_r & t_avdp_w. Issue is
+	 * of tusb using these timings even for sync whilst
+	 * ideally for adv_rd/(wr)_off it should have considered
+	 * t_avdh instead. This indirectly necessitates r/w
+	 * variations of t_avdp as it is possible to have one
+	 * sync & other async
+	 */
+	u32 t_avdp_r;	/* ADV low time (what about t_cer ?) */
+	u32 t_avdp_w;
+	u32 t_aavdh;	/* address hold time */
+	u32 t_oeasu;	/* address setup to OE valid */
+	u32 t_aa;	/* access time from ADV assertion */
+	u32 t_iaa;	/* initial access time */
+	u32 t_oe;	/* access time from OE assertion */
+	u32 t_ce;	/* access time from CS asertion */
+	u32 t_rd_cycle;	/* read cycle time */
+	u32 t_cez_r;	/* read CS deassertion to high Z */
+	u32 t_cez_w;	/* write CS deassertion to high Z */
+	u32 t_oez;	/* OE deassertion to high Z */
+	u32 t_weasu;	/* address setup to WE valid */
+	u32 t_wpl;	/* write assertion time */
+	u32 t_wph;	/* write deassertion time */
+	u32 t_wr_cycle;	/* write cycle time */
+
+	u32 clk;
+	u32 t_bacc;	/* burst access valid clock to output delay */
+	u32 t_ces;	/* CS setup time to clk */
+	u32 t_avds;	/* ADV setup time to clk */
+	u32 t_avdh;	/* ADV hold time from clk */
+	u32 t_ach;	/* address hold time from clk */
+	u32 t_rdyo;	/* clk to ready valid */
+
+	u32 t_ce_rdyz;	/* XXX: description ?, or use t_cez instead */
+	u32 t_ce_avd;	/* CS on to ADV on delay */
+
+	/* XXX: check the possibility of combining
+	 * cyc_aavhd_oe & cyc_aavdh_we
+	 */
+	u8 cyc_aavdh_oe;/* read address hold time in cycles */
+	u8 cyc_aavdh_we;/* write address hold time in cycles */
+	u8 cyc_oe;	/* access time from OE assertion in cycles */
+	u8 cyc_wpl;	/* write deassertion time in cycles */
+	u32 cyc_iaa;	/* initial access time in cycles */
+
+	/* extra delays */
+	bool ce_xdelay;
+	bool avd_xdelay;
+	bool oe_xdelay;
+	bool we_xdelay;
+};
+
+#define GPMC_BURST_4			4	/* 4 word burst */
+#define GPMC_BURST_8			8	/* 8 word burst */
+#define GPMC_BURST_16			16	/* 16 word burst */
+#define GPMC_DEVWIDTH_8BIT		1	/* 8-bit device width */
+#define GPMC_DEVWIDTH_16BIT		2	/* 16-bit device width */
+#define GPMC_MUX_AAD			1	/* Addr-Addr-Data multiplex */
+#define GPMC_MUX_AD			2	/* Addr-Data multiplex */
+
+struct gpmc_settings {
+	bool burst_wrap;	/* enables wrap bursting */
+	bool burst_read;	/* enables read page/burst mode */
+	bool burst_write;	/* enables write page/burst mode */
+	bool device_nand;	/* device is NAND */
+	bool sync_read;		/* enables synchronous reads */
+	bool sync_write;	/* enables synchronous writes */
+	bool wait_on_read;	/* monitor wait on reads */
+	bool wait_on_write;	/* monitor wait on writes */
+	u32 burst_len;		/* page/burst length */
+	u32 device_width;	/* device bus width (8 or 16 bit) */
+	u32 mux_add_data;	/* multiplex address & data */
+	u32 wait_pin;		/* wait-pin to be used */
+};
+
 /* Data for each chip select */
 struct gpmc_omap_cs_data {
 	bool valid;			/* data is valid */
 	bool is_nand;			/* device within this CS is NAND */
+	struct gpmc_settings *settings;
+	struct gpmc_device_timings *device_timings;
+	struct gpmc_timings *gpmc_timings;
 	struct platform_device *pdev;	/* device within this CS region */
 	unsigned int pdata_size;
 };
-- 
2.5.0

  parent reply	other threads:[~2016-04-07 10:08 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-07 10:08 [PATCH v6 00/17] memory: omap-gpmc: mtd: nand: Support GPMC NAND on non-OMAP platforms Roger Quadros
2016-04-07 10:08 ` [PATCH v6 01/17] ARM: OMAP2+: gpmc: Add platform data Roger Quadros
2016-04-07 10:08 ` Roger Quadros [this message]
2016-04-07 10:08 ` [PATCH v6 03/17] memory: omap-gpmc: Introduce GPMC to NAND interface Roger Quadros
2016-04-07 10:08 ` [PATCH v6 04/17] memory: omap-gpmc: Add GPMC-NAND ops to get writebufferempty status Roger Quadros
2016-04-07 10:08 ` [PATCH v6 05/17] memory: omap-gpmc: Implement IRQ domain for NAND IRQs Roger Quadros
     [not found]   ` <1460023715-19332-6-git-send-email-rogerq-l0cyMroinI0@public.gmane.org>
2016-04-11 14:52     ` Rob Herring
2016-04-07 10:08 ` [PATCH v6 06/17] mtd: nand: omap: Use gpmc_omap_get_nand_ops() to get NAND registers Roger Quadros
2016-04-07 10:08 ` [PATCH v6 07/17] mtd: nand: omap: Switch to using GPMC-NAND ops for writebuffer empty check Roger Quadros
2016-04-07 10:08 ` [PATCH v6 08/17] mtd: nand: omap: Copy platform data parameters to omap_nand_info data Roger Quadros
2016-04-07 10:08 ` [PATCH v6 09/17] mtd: nand: omap: Clean up device tree support Roger Quadros
2016-04-07 10:08 ` [PATCH v6 10/17] mtd: nand: omap: Update DT binding documentation Roger Quadros
2016-04-07 10:08 ` [PATCH v6 11/17] memory: omap-gpmc: Prevent mapping into 1st 16MB Roger Quadros
2016-04-07 10:08 ` [PATCH v6 12/17] memory: omap-gpmc: Move device tree binding to correct location Roger Quadros
2016-04-07 10:08 ` [PATCH v6 13/17] memory: omap-gpmc: Support general purpose input for WAITPINs Roger Quadros
     [not found]   ` <1460023715-19332-14-git-send-email-rogerq-l0cyMroinI0@public.gmane.org>
2016-04-11 15:00     ` Rob Herring
2016-04-07 10:08 ` [PATCH v6 14/17] memory: omap-gpmc: Reserve WAITPIN if needed for WAIT monitoring Roger Quadros
2016-04-07 10:08 ` [PATCH v6 15/17] memory: omap-gpmc: Support WAIT pin edge interrupts Roger Quadros
     [not found]   ` <1460023715-19332-16-git-send-email-rogerq-l0cyMroinI0@public.gmane.org>
2016-04-11 15:03     ` Rob Herring
2016-04-07 10:08 ` [PATCH v6 16/17] memory: omap-gpmc: Prevent GPMC_STATUS from being accessed via gpmc_regs Roger Quadros
2016-04-07 10:08 ` [PATCH v6 17/17] mtd: nand: omap2: Implement NAND ready using gpiolib Roger Quadros
     [not found]   ` <1460023715-19332-18-git-send-email-rogerq-l0cyMroinI0@public.gmane.org>
2016-04-11 15:04     ` Rob Herring
     [not found] ` <1460023715-19332-1-git-send-email-rogerq-l0cyMroinI0@public.gmane.org>
2016-04-13 21:25   ` [PATCH v6 00/17] memory: omap-gpmc: mtd: nand: Support GPMC NAND on non-OMAP platforms Tony Lindgren
     [not found]     ` <20160413212500.GD5995-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2016-04-15  9:34       ` Roger Quadros
     [not found]         ` <5710B58C.7050108-l0cyMroinI0@public.gmane.org>
2016-04-15 10:09           ` Boris Brezillon
2016-04-15 10:54             ` Roger Quadros
2016-04-15 11:12               ` Boris Brezillon
2016-04-15 11:51               ` Boris Brezillon
2016-04-15 15:41                 ` Tony Lindgren
     [not found]                   ` <20160415154139.GS5995-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2016-04-15 16:05                     ` Boris Brezillon
2016-04-15 16:19                       ` Tony Lindgren
2016-04-16  8:57                         ` Boris Brezillon
2016-04-18 12:31                           ` Roger Quadros
2016-04-18 12:52                             ` Roger Quadros
     [not found]                               ` <5714D8AA.9040304-l0cyMroinI0@public.gmane.org>
2016-04-18 13:13                                 ` Boris Brezillon
2016-04-18 13:48                                   ` Roger Quadros
     [not found]                                     ` <5714E5AA.5050200-l0cyMroinI0@public.gmane.org>
2016-04-18 14:10                                       ` Boris Brezillon
2016-04-18 14:39                                         ` Roger Quadros
2016-04-18 14:57                                           ` Boris Brezillon
2016-04-19 12:46                                             ` Roger Quadros
2016-04-19 12:50                                               ` Boris Brezillon
2016-04-19 20:11                                               ` Boris Brezillon
2016-04-20  8:58                                                 ` Roger Quadros
2016-04-20 14:45                                                 ` Tony Lindgren
2016-04-19 13:22                                           ` Boris Brezillon
2016-04-19 14:26                                             ` Roger Quadros
     [not found]                                               ` <57164014.3040603-l0cyMroinI0@public.gmane.org>
2016-04-19 14:49                                                 ` Roger Quadros

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