Enable SMC microcode relocation patch for SMC1.

Signed-off-by: Heiko Schocher <hs@denx.de>

5 files changed, 124 insertions, 3 deletions

diff --git a/README b/README
index 57fc01a..f2a4914 100644
--- a/README
+++ b/README
@@ -2278,6 +2278,10 @@ Low Level (hardware related) configuration options:
 		enable I2C microcode relocation patch (MPC8xx);
 		define relocation offset in DPRAM [DSP2]
 
+- CFG_SMC_UCODE_PATCH, CFG_SMC_DPMEM_OFFSET [0x1FC0]:
+		enable SMC microcode relocation patch (MPC8xx);
+		define relocation offset in DPRAM [SMC1]
+
 - CFG_SPI_UCODE_PATCH, CFG_SPI_DPMEM_OFFSET [0x1FC0]:
 		enable SPI microcode relocation patch (MPC8xx);
 		define relocation offset in DPRAM [SCC4]
diff --git a/cpu/mpc8xx/cpu_init.c b/cpu/mpc8xx/cpu_init.c
index c79e578..fb3414a 100644
--- a/cpu/mpc8xx/cpu_init.c
+++ b/cpu/mpc8xx/cpu_init.c
@@ -31,7 +31,8 @@
 DECLARE_GLOBAL_DATA_PTR;
 #endif
 
-#if defined(CFG_I2C_UCODE_PATCH) || defined(CFG_SPI_UCODE_PATCH)
+#if defined(CFG_I2C_UCODE_PATCH) || defined(CFG_SPI_UCODE_PATCH) || \
+    defined(CFG_SMC_UCODE_PATCH)
 void cpm_load_patch (volatile immap_t * immr);
 #endif
 
@@ -253,7 +254,8 @@ void cpu_init_f (volatile immap_t * immr)
 	immr->im_cpm.cp_rccr = CFG_RCCR;
 #endif
 
-#if defined(CFG_I2C_UCODE_PATCH) || defined(CFG_SPI_UCODE_PATCH)
+#if defined(CFG_I2C_UCODE_PATCH) || defined(CFG_SPI_UCODE_PATCH) || \
+    defined(CFG_SMC_UCODE_PATCH)
 	cpm_load_patch (immr);	/* load mpc8xx  microcode patch */
 #endif
 }
diff --git a/cpu/mpc8xx/serial.c b/cpu/mpc8xx/serial.c
index 68804cc..ad02299 100644
--- a/cpu/mpc8xx/serial.c
+++ b/cpu/mpc8xx/serial.c
@@ -124,6 +124,12 @@ static int smc_init (void)
 
 	sp = (smc_t *) &(cp->cp_smc[SMC_INDEX]);
 	up = (smc_uart_t *) &cp->cp_dparam[PROFF_SMC];
+#ifdef CFG_SMC_UCODE_PATCH
+	up = (smc_uart_t *) &cp->cp_dpmem[up->smc_rpbase];
+#else
+	/* Disable relocation */
+	up->smc_rpbase = 0;
+#endif
 
 	/* Disable transmitter/receiver.
 	*/
@@ -212,6 +218,12 @@ static int smc_init (void)
 	up->smc_tbase = dpaddr+sizeof(cbd_t);
 	up->smc_rfcr = SMC_EB;
 	up->smc_tfcr = SMC_EB;
+#if defined (CFG_SMC_UCODE_PATCH)
+	up->smc_rbptr = up->smc_rbase;
+	up->smc_tbptr = up->smc_tbase;
+	up->smc_rstate = 0;
+	up->smc_tstate = 0;
+#endif
 
 #if defined(CONFIG_MBX)
 	board_serial_init();
@@ -288,6 +300,9 @@ smc_putc(const char c)
 		smc_putc ('\r');
 
 	up = (smc_uart_t *)&cpmp->cp_dparam[PROFF_SMC];
+#ifdef CFG_SMC_UCODE_PATCH
+	up = (smc_uart_t *) &cpmp->cp_dpmem[up->smc_rpbase];
+#endif
 
 	tbdf = (cbd_t *)&cpmp->cp_dpmem[up->smc_tbase];
 
@@ -326,6 +341,9 @@ smc_getc(void)
 	unsigned char		c;
 
 	up = (smc_uart_t *)&cpmp->cp_dparam[PROFF_SMC];
+#ifdef CFG_SMC_UCODE_PATCH
+	up = (smc_uart_t *) &cpmp->cp_dpmem[up->smc_rpbase];
+#endif
 
 	rbdf = (cbd_t *)&cpmp->cp_dpmem[up->smc_rbase];
 
@@ -351,6 +369,9 @@ smc_tstc(void)
 	volatile cpm8xx_t	*cpmp = &(im->im_cpm);
 
 	up = (smc_uart_t *)&cpmp->cp_dparam[PROFF_SMC];
+#ifdef CFG_SMC_UCODE_PATCH
+	up = (smc_uart_t *) &cpmp->cp_dpmem[up->smc_rpbase];
+#endif
 
 	rbdf = (cbd_t *)&cpmp->cp_dpmem[up->smc_rbase];
 
diff --git a/cpu/mpc8xx/upatch.c b/cpu/mpc8xx/upatch.c
index eccff64..4d6c522 100644
--- a/cpu/mpc8xx/upatch.c
+++ b/cpu/mpc8xx/upatch.c
@@ -1,7 +1,8 @@
 #include <common.h>
 #include <commproc.h>
 
-#if defined(CFG_I2C_UCODE_PATCH) || defined(CFG_SPI_UCODE_PATCH)
+#if defined(CFG_I2C_UCODE_PATCH) || defined(CFG_SPI_UCODE_PATCH) || \
+    defined(CFG_SMC_UCODE_PATCH)
 
 static void UcodeCopy (volatile cpm8xx_t *cpm);
 
@@ -32,13 +33,29 @@ void cpm_load_patch (volatile immap_t *immr)
     }
 #endif
 
+#ifdef CFG_SMC_UCODE_PATCH
+    {
+	volatile smc_uart_t *up = (smc_uart_t *) & immr->im_cpm.cp_dparam[PROFF_SMC1];
+	/* Activate the microcode per the instructions in the microcode manual */
+	/* NOTE:  We're only relocating the SMC parameters.                    */
+	immr->im_cpm.cp_cpmcr1 = 0x8080;	/* Write Trap register 1 value */
+	immr->im_cpm.cp_cpmcr2 = 0x8088;	/* Write Trap register 2 value */
+	up->smc_rpbase = CFG_SMC_DPMEM_OFFSET;	/* Where to relocte SMC params */
+    }
+#endif
+
 	/*
 	 * Enable DPRAM microcode to execute from the first 512 bytes
 	 * and a 256 byte extension of DPRAM.
 	 */
+#ifdef CFG_SMC_UCODE_PATCH
+	immr->im_cpm.cp_rccr |= 0x0002;
+#else
 	immr->im_cpm.cp_rccr |= 0x0001;
+#endif
 }
 
+#if defined(CFG_I2C_UCODE_PATCH) || defined(CFG_SPI_UCODE_PATCh)
 static ulong patch_2000[] = {
 	0x7FFFEFD9, 0x3FFD0000, 0x7FFB49F7, 0x7FF90000,
 	0x5FEFADF7, 0x5F88ADF7, 0x5FEFAFF7, 0x5F88AFF7,
@@ -82,6 +99,81 @@ static ulong patch_2F00[] = {
 	0x35931497, 0x35376956, 0xBD697B9D, 0x96931313,
 	0x19797937, 0x69350000,
 };
+#else
+
+static ulong patch_2000[] = {
+	0x3fff0000, 0x3ffd0000, 0x3ffb0000, 0x3ff90000,
+	0x5fefeff8, 0x5f91eff8, 0x3ff30000, 0x3ff10000,
+	0x3a11e710, 0xedf0ccb9, 0xf318ed66, 0x7f0e5fe2,
+	0x7fedbb38, 0x3afe7468, 0x7fedf4d8, 0x8ffbb92d,
+	0xb83b77fd, 0xb0bb5eb9, 0xdfda7fed, 0x90bde74d,
+	0x6f0dcbd3, 0xe7decfed, 0xcb50cfed, 0xcfeddf6d,
+	0x914d4f74, 0x5eaedfcb, 0x9ee0e7df, 0xefbb6ffb,
+	0xe7ef7f0e, 0x9ee57fed, 0xebb7effa, 0xeb30affb,
+	0x7fea90b3, 0x7e0cf09f, 0xbffff318, 0x5fffdfff,
+	0xac35efea, 0x7fce1fc1, 0xe2ff5fbd, 0xaffbe2ff,
+	0x5fbfaffb, 0xf9a87d0f, 0xaef8770f, 0x7d0fb0a2,
+	0xeffbbfff, 0xcfef5fba, 0x7d0fbfff, 0x5fba4cf8,
+	0x7fddd09b, 0x49f847fd, 0x7efdf097, 0x7fedfffd,
+	0x7dfdf093, 0xef7e7e1e, 0x5fba7f0e, 0x3a11e710,
+	0xedf0cc87, 0xfb18ad0a, 0x1f85bbb8, 0x74283b7e,
+	0x7375e4bb, 0x2ab64fb8, 0x5c7de4bb, 0x32fdffbf,
+	0x5f0843f8, 0x7ce3e1bb, 0xe74f7ded, 0x6f0f4fe8,
+	0xc7ba32be, 0x73f2efeb, 0x600b4f78, 0xe5bb760b,
+	0x5388aef8, 0x4ef80b6a, 0xcfef9ee5, 0xabf8751f,
+	0xefef5b88, 0x741f4fe8, 0x751e760d, 0x7fdb70dd,
+	0x741cafce, 0xefcc7fce, 0x751e7088, 0x741ce7bb,
+	0x334ecfed, 0xafdbefeb, 0xe5bb760b, 0x53ceaef8,
+	0xafe8e7eb, 0x4bf8771e, 0x7e007fed, 0x4fcbe2cc,
+	0x7fbc3085, 0x7b0f7a0f, 0x34b177fd, 0xb0e75e93,
+	0xdf313e3b, 0xaf78741f, 0x741f30cc, 0xcfef5f08,
+	0x741f3e88, 0xafb8771e, 0x5f437fed, 0x0bafe2cc,
+	0x741ccfec, 0xe5ca53a9, 0x6fcb4f74, 0x5e89df27,
+	0x2a923d14, 0x4b8fdf0c, 0x751f741c, 0x6c1eeffa,
+	0xefea7fce, 0x6ffc309a, 0xefec3fca, 0x308fdf0a,
+	0xadf85e7a, 0xaf7daefd, 0x5e7adf0a, 0x5e7aafdd,
+	0x761f1088, 0x1e7c7efd, 0x3089fffe, 0x4908fb18,
+	0x5fffdfff, 0xafbbf0f7, 0x4ef85f43, 0xadf81489,
+	0x7a0f7089, 0xcfef5089, 0x7a0fdf0c, 0x5e7cafed,
+	0xbc6e780f, 0xefef780f, 0xefef790f, 0xa7f85eeb,
+	0xffef790f, 0xefef790f, 0x1489df0a, 0x5e7aadfd,
+	0x5f09fffb, 0xe79aded9, 0xeff96079, 0x607ae79a,
+	0xded8eff9, 0x60795edb, 0x607acfef, 0xefefefdf,
+	0xefbfef7f, 0xeeffedff, 0xebffe7ff, 0xafefafdf,
+	0xafbfaf7f, 0xaeffadff, 0xabffa7ff, 0x6fef6fdf,
+	0x6fbf6f7f, 0x6eff6dff, 0x6bff67ff, 0x2fef2fdf,
+	0x2fbf2f7f, 0x2eff2dff, 0x2bff27ff, 0x4e08fd1f,
+	0xe5ff6e0f, 0xaff87eef, 0x7e0ffdef, 0xf11f6079,
+	0xabf8f51e, 0x7e0af11c, 0x37cfae16, 0x7fec909a,
+	0xadf8efdc, 0xcfeae52f, 0x7d0fe12b, 0xf11c6079,
+	0x7e0a4df8, 0xcfea5ea0, 0x7d0befec, 0xcfea5ea2,
+	0xe522efdc, 0x5ea2cfda, 0x4e08fd1f, 0x6e0faff8,
+	0x7c1f761f, 0xfdeff91f, 0x6079abf8, 0x761cee00,
+	0xf91f2bfb, 0xefefcfec, 0xf91f6079, 0x761c27fb,
+	0xefdf5e83, 0xcfdc7fdd, 0x50f84bf8, 0x47fd7c1f,
+	0x761ccfcf, 0x7eef7fed, 0x7dfd70ef, 0xef7e7f1e,
+	0x771efb18, 0x6079e722, 0xe6bbe5bb, 0x2e66e5bb,
+	0x600b2ee1, 0xe2bbe2bb, 0xe2bbe2bb, 0x2f5ee2bb,
+	0xe2bb2ff9, 0x6079e2bb,
+};
+
+static ulong patch_2F00[] = {
+	0x30303030, 0x3e3e3030, 0xaf79b9b3, 0xbaa3b979,
+	0x9693369f, 0x79f79777, 0x97333fff, 0xfb3b9e9f,
+	0x79b91d11, 0x9e13f3ff, 0x3f9b6bd9, 0xe173d136,
+	0x695669d1, 0x697b3daf, 0x79b93a3a, 0x3f979f91,
+	0x379ff976, 0xf99777fd, 0x9779737d, 0xe9d6bbf9,
+	0xbfffd9df, 0x97f7fd97, 0x6f7b9bff, 0xf9bd9683,
+	0x397db973, 0xd97b3b9f, 0xd7f9f733, 0x9993bb9e,
+	0xe1f9ef93, 0x73773337, 0xb936917d, 0x11f87379,
+	0xb979d336, 0x8b7ded73, 0x1b7d9337, 0x31f3f22f,
+	0x3f2327ee, 0xeeeeeeee, 0xeeeeeeee, 0xeeeeeeee,
+	0xeeeeee4b, 0xf4fbdbd2, 0x58bb1878, 0x577fdfd2,
+	0xd573b773, 0xf7374b4f, 0xbdbd25b8, 0xb177d2d1,
+	0x7376856b, 0xbfdd687b, 0xdd2fff8f, 0x78ffff8f,
+	0xf22f0000,
+};
+#endif
 
 static void UcodeCopy (volatile cpm8xx_t *cpm)
 {
diff --git a/include/commproc.h b/include/commproc.h
index 53659c2..6b1b4e8 100644
--- a/include/commproc.h
+++ b/include/commproc.h
@@ -159,6 +159,8 @@ typedef struct smc_uart {
 	ushort	smc_brkec;	/* rcv'd break condition counter */
 	ushort	smc_brkcr;	/* xmt break count register */
 	ushort	smc_rmask;	/* Temporary bit mask */
+	u_char	res1[8];
+	ushort	smc_rpbase;	/* Relocation pointer */
 } smc_uart_t;
 
 /* Function code bits.