2 /* Microcode patches for the CPM as supplied by Motorola.
3 * This is the one for IIC/SPI. There is a newer one that
4 * also relocates SMC2, but this would require additional changes
5 * to uart.c, so I am holding off on that for a moment.
7 #include <linux/init.h>
8 #include <linux/errno.h>
9 #include <linux/sched.h>
10 #include <linux/kernel.h>
11 #include <linux/param.h>
12 #include <linux/string.h>
14 #include <linux/interrupt.h>
17 #include <asm/pgtable.h>
18 #include <asm/8xx_immap.h>
23 * I2C/SPI relocation patch arrays.
26 #ifdef CONFIG_I2C_SPI_UCODE_PATCH
28 static uint patch_2000
[] __initdata
= {
147 static uint patch_2f00
[] __initdata
= {
181 * I2C/SPI/SMC1 relocation patch arrays.
184 #ifdef CONFIG_I2C_SPI_SMC1_UCODE_PATCH
186 static uint patch_2000
[] __initdata
= {
509 static uint patch_2f00
[] __initdata
= {
576 static uint patch_2e00
[] __initdata
= {
597 * USB SOF patch arrays.
600 #ifdef CONFIG_USB_SOF_UCODE_PATCH
602 static uint patch_2000
[] __initdata
= {
617 static uint patch_2f00
[] __initdata
= {
624 void __init
cpm_load_patch(cpm8xx_t
*cp
)
626 volatile uint
*dp
; /* Dual-ported RAM. */
627 volatile cpm8xx_t
*commproc
;
628 #if defined(CONFIG_I2C_SPI_UCODE_PATCH) || \
629 defined(CONFIG_I2C_SPI_SMC1_UCODE_PATCH)
631 volatile struct spi_pram
*spp
;
632 #ifdef CONFIG_I2C_SPI_SMC1_UCODE_PATCH
633 volatile smc_uart_t
*smp
;
640 #ifdef CONFIG_USB_SOF_UCODE_PATCH
641 commproc
->cp_rccr
= 0;
643 dp
= (uint
*)(commproc
->cp_dpmem
);
644 for (i
=0; i
<(sizeof(patch_2000
)/4); i
++)
645 *dp
++ = patch_2000
[i
];
647 dp
= (uint
*)&(commproc
->cp_dpmem
[0x0f00]);
648 for (i
=0; i
<(sizeof(patch_2f00
)/4); i
++)
649 *dp
++ = patch_2f00
[i
];
651 commproc
->cp_rccr
= 0x0009;
653 printk("USB SOF microcode patch installed\n");
654 #endif /* CONFIG_USB_SOF_UCODE_PATCH */
656 #if defined(CONFIG_I2C_SPI_UCODE_PATCH) || \
657 defined(CONFIG_I2C_SPI_SMC1_UCODE_PATCH)
659 commproc
->cp_rccr
= 0;
661 dp
= (uint
*)(commproc
->cp_dpmem
);
662 for (i
=0; i
<(sizeof(patch_2000
)/4); i
++)
663 *dp
++ = patch_2000
[i
];
665 dp
= (uint
*)&(commproc
->cp_dpmem
[0x0f00]);
666 for (i
=0; i
<(sizeof(patch_2f00
)/4); i
++)
667 *dp
++ = patch_2f00
[i
];
669 iip
= (iic_t
*)&commproc
->cp_dparam
[PROFF_IIC
];
670 # define RPBASE 0x0500
671 iip
->iic_rpbase
= RPBASE
;
673 /* Put SPI above the IIC, also 32-byte aligned.
675 i
= (RPBASE
+ sizeof(iic_t
) + 31) & ~31;
676 spp
= (struct spi_pram
*)&commproc
->cp_dparam
[PROFF_SPI
];
679 # if defined(CONFIG_I2C_SPI_UCODE_PATCH)
680 commproc
->cp_cpmcr1
= 0x802a;
681 commproc
->cp_cpmcr2
= 0x8028;
682 commproc
->cp_cpmcr3
= 0x802e;
683 commproc
->cp_cpmcr4
= 0x802c;
684 commproc
->cp_rccr
= 1;
686 printk("I2C/SPI microcode patch installed.\n");
687 # endif /* CONFIG_I2C_SPI_UCODE_PATCH */
689 # if defined(CONFIG_I2C_SPI_SMC1_UCODE_PATCH)
691 dp
= (uint
*)&(commproc
->cp_dpmem
[0x0e00]);
692 for (i
=0; i
<(sizeof(patch_2e00
)/4); i
++)
693 *dp
++ = patch_2e00
[i
];
695 commproc
->cp_cpmcr1
= 0x8080;
696 commproc
->cp_cpmcr2
= 0x808a;
697 commproc
->cp_cpmcr3
= 0x8028;
698 commproc
->cp_cpmcr4
= 0x802a;
699 commproc
->cp_rccr
= 3;
701 smp
= (smc_uart_t
*)&commproc
->cp_dparam
[PROFF_SMC1
];
702 smp
->smc_rpbase
= 0x1FC0;
704 printk("I2C/SPI/SMC1 microcode patch installed.\n");
705 # endif /* CONFIG_I2C_SPI_SMC1_UCODE_PATCH) */
707 #endif /* some variation of the I2C/SPI patch was selected */
711 * Take this entire routine out, since no one calls it and its
717 verify_patch(volatile immap_t
*immr
)
720 volatile cpm8xx_t
*commproc
;
723 commproc
= (cpm8xx_t
*)&immr
->im_cpm
;
725 printk("cp_rccr %x\n", commproc
->cp_rccr
);
726 commproc
->cp_rccr
= 0;
728 dp
= (uint
*)(commproc
->cp_dpmem
);
729 for (i
=0; i
<(sizeof(patch_2000
)/4); i
++)
730 if (*dp
++ != patch_2000
[i
]) {
731 printk("patch_2000 bad at %d\n", i
);
733 printk("found 0x%X, wanted 0x%X\n", *dp
, patch_2000
[i
]);
737 dp
= (uint
*)&(commproc
->cp_dpmem
[0x0f00]);
738 for (i
=0; i
<(sizeof(patch_2f00
)/4); i
++)
739 if (*dp
++ != patch_2f00
[i
]) {
740 printk("patch_2f00 bad at %d\n", i
);
742 printk("found 0x%X, wanted 0x%X\n", *dp
, patch_2f00
[i
]);
746 commproc
->cp_rccr
= 0x0009;