Mirrors/u-boot
2
0
Fork 0
mirror of https://github.com/AsahiLinux/u-boot synced 2024-11-26 14:40:41 +00:00
Code Issues Projects Releases Packages Wiki Activity
u-boot/board/freescale/common/ngpixis.h

65 lines
1.6 KiB
C
Raw Normal View History

p2020ds: add alternate boot bank support using the ngPIXIS FPGA The Freescale P2020DS board uses a new type of PIXIS FPGA, called the ngPIXIS. The ngPIXIS has one distinct new feature: the values of the on-board switches can be selectively overridden with shadow registers. This feature is used to boot from a different NOR flash bank, instead of having a register dedicated for this purpose. Because the ngPIXIS is so different from the previous PIXIS, a new file is introduced: ngpixis.c. Also update the P2020DS checkboard() function to use the new macros defined in the header file. Signed-off-by: Timur Tabi <timur@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2010-04-01 15:49:42 +00:00
/**
p1022ds: allow for board-specific ngPIXIS functions The ngPIXIS is an FPGA used on the reference boards of most Freescale PowerPC SOCs. Although programming the ngPIXIS is mostly standard on all boards that have it, the P1022DS is unique in that the ngPIXIS needs to be programmed in "indirect" mode whenever the video display (DIU) is active. To support indirect mode, and to make it easier to support other quirks on future reference boards, the low-level ngPIXIS functions are all marked as weak, so that board-specific code can override any of them. We take advantage of this feature on the P1022DS, so that we can properly reset the board when the DIU is active. Signed-off-by: Timur Tabi <timur@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2011-01-21 22:03:57 +00:00
* Copyright 2010-2011 Freescale Semiconductor
p2020ds: add alternate boot bank support using the ngPIXIS FPGA The Freescale P2020DS board uses a new type of PIXIS FPGA, called the ngPIXIS. The ngPIXIS has one distinct new feature: the values of the on-board switches can be selectively overridden with shadow registers. This feature is used to boot from a different NOR flash bank, instead of having a register dedicated for this purpose. Because the ngPIXIS is so different from the previous PIXIS, a new file is introduced: ngpixis.c. Also update the P2020DS checkboard() function to use the new macros defined in the header file. Signed-off-by: Timur Tabi <timur@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2010-04-01 15:49:42 +00:00
* Author: Timur Tabi <timur@freescale.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This file provides support for the ngPIXIS, a board-specific FPGA used on
* some Freescale reference boards.
*/
/* ngPIXIS register set. Hopefully, this won't change too much over time.
* Feel free to add board-specific #ifdefs where necessary.
*/
typedef struct ngpixis {
u8 id;
u8 arch;
u8 scver;
u8 csr;
u8 rst;
powerpc: Add P3041DS/P5020DS board support (uses corenet_ds code) The P3041DS & P5020DS boards are almost identical (except for the processor in them). Additionally they are based on the P4080DS board design so we use the some board code for all 3 boards. Some ngPIXIS (FPGA) registers where reserved on P4080DS and now have meaning on P3041DS/P5020DS. We utilize some of these for SERDES clock configuration. Additionally, the P3041DS/P5020DS support NAND. Signed-off-by: Timur Tabi <timur@freescale.com> Signed-off-by: Shaohui Xie <b21989@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2011-02-09 02:00:08 +00:00
u8 serclk;
p2020ds: add alternate boot bank support using the ngPIXIS FPGA The Freescale P2020DS board uses a new type of PIXIS FPGA, called the ngPIXIS. The ngPIXIS has one distinct new feature: the values of the on-board switches can be selectively overridden with shadow registers. This feature is used to boot from a different NOR flash bank, instead of having a register dedicated for this purpose. Because the ngPIXIS is so different from the previous PIXIS, a new file is introduced: ngpixis.c. Also update the P2020DS checkboard() function to use the new macros defined in the header file. Signed-off-by: Timur Tabi <timur@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2010-04-01 15:49:42 +00:00
u8 aux;
u8 spd;
u8 brdcfg0;
fsl: rename 'dma' to 'brdcfg1' in the ngPIXIS structure The ngPIXIS is a board-specific FPGA, but the definition of the registers is mostly consistent. On boards where it matter, register 9 is called 'brdcfg1' instead of 'dma', so rename the variable in the ngpixis_t definition. Signed-off-by: Timur Tabi <timur@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2010-05-20 16:16:16 +00:00
u8 brdcfg1; /* On some boards, this register is called 'dma' */
p2020ds: add alternate boot bank support using the ngPIXIS FPGA The Freescale P2020DS board uses a new type of PIXIS FPGA, called the ngPIXIS. The ngPIXIS has one distinct new feature: the values of the on-board switches can be selectively overridden with shadow registers. This feature is used to boot from a different NOR flash bank, instead of having a register dedicated for this purpose. Because the ngPIXIS is so different from the previous PIXIS, a new file is introduced: ngpixis.c. Also update the P2020DS checkboard() function to use the new macros defined in the header file. Signed-off-by: Timur Tabi <timur@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2010-04-01 15:49:42 +00:00
u8 addr;
powerpc: Add P3041DS/P5020DS board support (uses corenet_ds code) The P3041DS & P5020DS boards are almost identical (except for the processor in them). Additionally they are based on the P4080DS board design so we use the some board code for all 3 boards. Some ngPIXIS (FPGA) registers where reserved on P4080DS and now have meaning on P3041DS/P5020DS. We utilize some of these for SERDES clock configuration. Additionally, the P3041DS/P5020DS support NAND. Signed-off-by: Timur Tabi <timur@freescale.com> Signed-off-by: Shaohui Xie <b21989@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2011-02-09 02:00:08 +00:00
u8 brdcfg2;
u8 gpiodir;
p2020ds: add alternate boot bank support using the ngPIXIS FPGA The Freescale P2020DS board uses a new type of PIXIS FPGA, called the ngPIXIS. The ngPIXIS has one distinct new feature: the values of the on-board switches can be selectively overridden with shadow registers. This feature is used to boot from a different NOR flash bank, instead of having a register dedicated for this purpose. Because the ngPIXIS is so different from the previous PIXIS, a new file is introduced: ngpixis.c. Also update the P2020DS checkboard() function to use the new macros defined in the header file. Signed-off-by: Timur Tabi <timur@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2010-04-01 15:49:42 +00:00
u8 data;
u8 led;
powerpc: Add P3041DS/P5020DS board support (uses corenet_ds code) The P3041DS & P5020DS boards are almost identical (except for the processor in them). Additionally they are based on the P4080DS board design so we use the some board code for all 3 boards. Some ngPIXIS (FPGA) registers where reserved on P4080DS and now have meaning on P3041DS/P5020DS. We utilize some of these for SERDES clock configuration. Additionally, the P3041DS/P5020DS support NAND. Signed-off-by: Timur Tabi <timur@freescale.com> Signed-off-by: Shaohui Xie <b21989@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2011-02-09 02:00:08 +00:00
u8 tag;
p2020ds: add alternate boot bank support using the ngPIXIS FPGA The Freescale P2020DS board uses a new type of PIXIS FPGA, called the ngPIXIS. The ngPIXIS has one distinct new feature: the values of the on-board switches can be selectively overridden with shadow registers. This feature is used to boot from a different NOR flash bank, instead of having a register dedicated for this purpose. Because the ngPIXIS is so different from the previous PIXIS, a new file is introduced: ngpixis.c. Also update the P2020DS checkboard() function to use the new macros defined in the header file. Signed-off-by: Timur Tabi <timur@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2010-04-01 15:49:42 +00:00
u8 vctl;
u8 vstat;
u8 vcfgen0;
u8 res4;
u8 ocmcsr;
u8 ocmmsg;
u8 gmdbg;
u8 res5[2];
u8 sclk[3];
u8 dclk[3];
u8 watch;
struct {
u8 sw;
u8 en;
} s[8];
ppc/85xx: Add a structure defn for PIXIS registers The various boards that have PIXIS FPGAs have slightly different register definitions, however there is some common functionality (like reset, ICS307 clk control, etc) that can be shared. The struct definition exists for MPC8536DS, MPC8544DS, MPC8572DS, MPC8610HPCD, and MPC8641HPCN boards. Also fixed ngpixis to be __packed__ instead of aligned. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2010-05-22 22:25:47 +00:00
} __attribute__ ((packed)) ngpixis_t;
p2020ds: add alternate boot bank support using the ngPIXIS FPGA The Freescale P2020DS board uses a new type of PIXIS FPGA, called the ngPIXIS. The ngPIXIS has one distinct new feature: the values of the on-board switches can be selectively overridden with shadow registers. This feature is used to boot from a different NOR flash bank, instead of having a register dedicated for this purpose. Because the ngPIXIS is so different from the previous PIXIS, a new file is introduced: ngpixis.c. Also update the P2020DS checkboard() function to use the new macros defined in the header file. Signed-off-by: Timur Tabi <timur@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2010-04-01 15:49:42 +00:00
/* Pointer to the PIXIS register set */
#define pixis ((ngpixis_t *)PIXIS_BASE)
/* The PIXIS SW register that corresponds to board switch X, where x >= 1 */
#define PIXIS_SW(x) (pixis->s[(x) - 1].sw)
/* The PIXIS EN register that corresponds to board switch X, where x >= 1 */
#define PIXIS_EN(x) (pixis->s[(x) - 1].en)
p1022ds: allow for board-specific ngPIXIS functions The ngPIXIS is an FPGA used on the reference boards of most Freescale PowerPC SOCs. Although programming the ngPIXIS is mostly standard on all boards that have it, the P1022DS is unique in that the ngPIXIS needs to be programmed in "indirect" mode whenever the video display (DIU) is active. To support indirect mode, and to make it easier to support other quirks on future reference boards, the low-level ngPIXIS functions are all marked as weak, so that board-specific code can override any of them. We take advantage of this feature on the P1022DS, so that we can properly reset the board when the DIU is active. Signed-off-by: Timur Tabi <timur@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2011-01-21 22:03:57 +00:00
u8 pixis_read(unsigned int reg);
void pixis_write(unsigned int reg, u8 value);
#define PIXIS_READ(reg) pixis_read(offsetof(ngpixis_t, reg))
#define PIXIS_WRITE(reg, value) pixis_write(offsetof(ngpixis_t, reg), value)
Reference in a new issue Copy permalink