#include <asm/8xx_immap.h>
#include <asm/commproc.h>
-/* Define this to get SMC patches as well. You need to modify the uart
- * driver as well......
-#define USE_SMC_PATCH 1
+/*
+ * I2C/SPI relocation patch arrays.
*/
-#ifdef CONFIG_USB_MPC8xx
-#define USE_USB_SOF_PATCH
-#endif
+#ifdef CONFIG_I2C_SPI_UCODE_PATCH
-#ifdef USE_IIC_PATCH
-#define PATCH_DEFINED
- /* IIC/SPI */
uint patch_2000[] = {
0x7FFFEFD9,
0x3FFD0000,
};
#endif
-#ifdef USE_SMC_PATCH
-#define PATCH_DEFINED
-/* SMC2/IIC/SPI Patch */
-/* This is the area from 0x2000 to 0x23ff.
-*/
+/*
+ * I2C/SPI/SMC1 relocation patch arrays.
+ */
+
+#ifdef CONFIG_I2C_SPI_SMC1_UCODE_PATCH
+
uint patch_2000[] = {
0x3fff0000,
0x3ffd0000,
0x6079e2bb
};
- /* This is from 0x2f00 to 0x2fff
- */
uint patch_2f00[] = {
0x30303030,
0x3e3e3434,
};
uint patch_2e00[] = {
- /* This is from 0x2e00 to 0x2e3c
- */
0x27eeeeee,
0xeeeeeeee,
0xeeeeeeee,
};
#endif
-#ifdef USE_USB_SOF_PATCH
-#define PATCH_DEFINED
+/*
+ * USB SOF patch arrays.
+ */
+
+#ifdef CONFIG_USB_SOF_UCODE_PATCH
+
uint patch_2000[] = {
0x7fff0000,
0x7ffd0000,
};
#endif
-/* Load the microcode patch. This is called early in the CPM initialization
- * with the controller in the reset state. We enable the processor after
- * we load the patch.
- */
void
cpm_load_patch(volatile immap_t *immr)
{
-#ifdef PATCH_DEFINED
- volatile uint *dp;
+ volatile uint *dp; /* Dual-ported RAM. */
volatile cpm8xx_t *commproc;
volatile iic_t *iip;
volatile spi_t *spp;
+ volatile smc_uart_t *smp;
int i;
commproc = (cpm8xx_t *)&immr->im_cpm;
- /* We work closely with commproc.c. We know it only allocates
- * from data only space.
- * For this particular patch, we only use the bottom 512 bytes
- * and the upper 256 byte extension. We will use the space
- * starting at 1K for the relocated parameters, as the general
- * CPM allocation won't come from that area.
- */
+#ifdef CONFIG_USB_SOF_UCODE_PATCH
commproc->cp_rccr = 0;
- /* Copy the patch into DPRAM.
- */
dp = (uint *)(commproc->cp_dpmem);
for (i=0; i<(sizeof(patch_2000)/4); i++)
*dp++ = patch_2000[i];
for (i=0; i<(sizeof(patch_2f00)/4); i++)
*dp++ = patch_2f00[i];
-#ifdef USE_USB_SOF_PATCH
-#if 0 /* usb patch should not relocate iic */
- iip = (iic_t *)&commproc->cp_dparam[PROFF_IIC];
-#define RPBASE 0x0030
- iip->iic_rpbase = RPBASE;
+ commproc->cp_rccr = 0x0009;
- /* Put SPI above the IIC, also 32-byte aligned.
- */
- i = (RPBASE + sizeof(iic_t) + 31) & ~31;
- spp = (spi_t *)&commproc->cp_dparam[PROFF_SPI];
- spp->spi_rpbase = i;
-#endif
+ printk("USB SOF microcode patch installed\n");
+#endif /* CONFIG_USB_SOF_UCODE_PATCH */
- /* Enable uCode fetches from DPRAM. */
- commproc->cp_rccr = 0x0009;
+#if defined(CONFIG_I2C_SPI_UCODE_PATCH) || \
+ defined(CONFIG_I2C_SPI_SMC1_UCODE_PATCH)
+
+ commproc->cp_rccr = 0;
- printk("USB uCode patch installed\n");
-#endif /* USE_USB_SOF_PATCH */
+ dp = (uint *)(commproc->cp_dpmem);
+ for (i=0; i<(sizeof(patch_2000)/4); i++)
+ *dp++ = patch_2000[i];
-#if defined(USE_SMC_PATCH) || defined(USE_IIC_PATCH)
+ dp = (uint *)&(commproc->cp_dpmem[0x0f00]);
+ for (i=0; i<(sizeof(patch_2f00)/4); i++)
+ *dp++ = patch_2f00[i];
iip = (iic_t *)&commproc->cp_dparam[PROFF_IIC];
-#define RPBASE 0x0400
+# define RPBASE 0x0500
iip->iic_rpbase = RPBASE;
/* Put SPI above the IIC, also 32-byte aligned.
spp = (spi_t *)&commproc->cp_dparam[PROFF_SPI];
spp->spi_rpbase = i;
-#ifdef USE_SMC_PATCH
+# if defined(CONFIG_I2C_SPI_UCODE_PATCH)
+ commproc->cp_cpmcr1 = 0x802a;
+ commproc->cp_cpmcr2 = 0x8028;
+ commproc->cp_cpmcr3 = 0x802e;
+ commproc->cp_cpmcr4 = 0x802c;
+ commproc->cp_rccr = 1;
+
+ printk("I2C/SPI microcode patch installed.\n");
+# endif /* CONFIG_I2C_SPI_UCODE_PATCH */
+
+# if defined(CONFIG_I2C_SPI_SMC1_UCODE_PATCH)
+
dp = (uint *)&(commproc->cp_dpmem[0x0e00]);
for (i=0; i<(sizeof(patch_2e00)/4); i++)
*dp++ = patch_2e00[i];
- /* Enable the traps to get to it.
- */
commproc->cp_cpmcr1 = 0x8080;
commproc->cp_cpmcr2 = 0x808a;
commproc->cp_cpmcr3 = 0x8028;
commproc->cp_cpmcr4 = 0x802a;
-
- /* Enable uCode fetches from DPRAM.
- */
commproc->cp_rccr = 3;
-#endif
-
-#ifdef USE_IIC_PATCH
- /* Enable the traps to get to it.
- */
- commproc->cp_cpmcr1 = 0x802a;
- commproc->cp_cpmcr2 = 0x8028;
- commproc->cp_cpmcr3 = 0x802e;
- commproc->cp_cpmcr4 = 0x802c;
- /* Enable uCode fetches from DPRAM.
- */
- commproc->cp_rccr = 1;
-
- printk("I2C uCode patch installed\n");
-#endif
+ smp = (smc_uart_t *)&commproc->cp_dparam[PROFF_SMC1];
+ smp->smc_rpbase = 0x1FC0;
- /* Relocate the IIC and SPI parameter areas. These have to
- * aligned on 32-byte boundaries.
- */
- iip = (iic_t *)&commproc->cp_dparam[PROFF_IIC];
- iip->iic_rpbase = RPBASE;
-
- /* Put SPI above the IIC, also 32-byte aligned.
- */
- i = (RPBASE + sizeof(iic_t) + 31) & ~31;
- spp = (spi_t *)&commproc->cp_dparam[PROFF_SPI];
- spp->spi_rpbase = i;
+ printk("I2C/SPI/SMC1 microcode patch installed.\n");
+# endif /* CONFIG_I2C_SPI_SMC1_UCODE_PATCH) */
-#endif /* USE_SMC_PATCH || USE_IIC_PATCH */
-#endif /* PATCH_DEFINED */
+#endif /* some variation of the I2C/SPI patch was selected */
}
+/*
+ * Take this entire routine out, since no one calls it and its
+ * logic is suspect.
+ */
+
+#if 0
void
verify_patch(volatile immap_t *immr)
{
-#ifdef PATCH_DEFINED
volatile uint *dp;
volatile cpm8xx_t *commproc;
int i;
}
commproc->cp_rccr = 0x0009;
-#endif /* PATCH_DEFINED */
}
-
+#endif