Added support for the mgsuvd board from keymile.

216 lines not on this page · raw message

index 97112f0..c878352 100644
@@ -39,6 +39,12 @@
 #include <mpc8xx.h>
 #include <asm/cache.h>
 
+#if defined(CONFIG_OF_LIBFDT)
+#include <libfdt.h>
+#include <libfdt_env.h>
+#include <fdt_support.h>
+#endif
+
 DECLARE_GLOBAL_DATA_PTR;
 
 static char *cpu_warning = "\n         " \

@@ -632,3 +638,13 @@ void reset_8xx_watchdog (volatile immap_t * immr)
 #endif /* CONFIG_WATCHDOG */
 
 /* ------------------------------------------------------------------------- */
+#if defined(CONFIG_OF_LIBFDT)
+void ft_cpu_setup (void *blob, bd_t *bd)
+{
+	char * cpu_path = "/cpus/" OF_CPU;
+
+	do_fixup_by_path_u32(blob, cpu_path, "bus-frequency", bd->bi_busfreq, 1);
+	do_fixup_by_path_u32(blob, cpu_path, "timebase-frequency", OF_TBCLK, 1);
+	do_fixup_by_path_u32(blob, cpu_path, "clock-frequency", bd->bi_intfreq, 1);
+}
+#endif /* CONFIG_OF_LIBFDT */

index 12400e3..53659c2 100644
@@ -1120,6 +1120,32 @@ typedef struct scc_enet {
 #define SICR_ENET_CLKRT	((uint)0x0000003d)
 #endif	/* CONFIG_MBX */
 
+/***  MGSUVD  *********************************************************/
+
+/* The MGSUVD Service Module uses SCC3 for Ethernet */
+
+#ifdef CONFIG_MGSUVD
+#define PROFF_ENET	PROFF_SCC3		/* Ethernet on SCC3 */
+#define CPM_CR_ENET	CPM_CR_CH_SCC3
+#define SCC_ENET	2
+#define PA_ENET_RXD	((ushort)0x0010)	/* PA 11 */
+#define PA_ENET_TXD	((ushort)0x0020)	/* PA 10 */
+#define PA_ENET_RCLK	((ushort)0x1000)	/* PA  3 CLK 5 */
+#define PA_ENET_TCLK	((ushort)0x2000)	/* PA  2 CLK 6 */
+
+#define PC_ENET_TENA	((ushort)0x0004)	/* PC 13 */
+
+#define PC_ENET_RENA	((ushort)0x0200)	/* PC  6 */
+#define PC_ENET_CLSN	((ushort)0x0100)	/* PC  7 */
+
+/* Control bits in the SICR to route TCLK (CLK6) and RCLK (CLK5) to
+ * SCC3.  Also, make sure GR3 (bit 8) and SC3 (bit 9) are zero.
+ */
+#define SICR_ENET_MASK	((uint)0x00FF0000)
+#define SICR_ENET_CLKRT	((uint)0x00250000)
+#endif	/* CONFIG_MGSUVD */
+
+
 /***  MHPC  ********************************************************/
 
 #if defined(CONFIG_MHPC)

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index c79e578..fb3414a 100644
@@ -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
 }

index 68804cc..ad02299 100644
@@ -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];
 

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index 53659c2..6b1b4e8 100644
@@ -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.

345 lines not on this page · raw message

index e56839d..633d053 100644
@@ -77,7 +77,9 @@
 
 #define TX_BUF_CNT 2
 
-#define TOUT_LOOP 1000000
+#if !defined(CFG_SCC_TOUT_LOOP)
+  #define CFG_SCC_TOUT_LOOP 1000000
+#endif
 
 static char txbuf[TX_BUF_CNT][ DBUF_LENGTH ];
 

@@ -109,7 +111,7 @@ int eth_send(volatile void *packet, int length)
     }
 
     for(i=0; rtx->txbd[txIdx].cbd_sc & BD_ENET_TX_READY; i++) {
-	if (i >= TOUT_LOOP) {
+	if (i >= CFG_SCC_TOUT_LOOP) {
 	    puts ("scc: tx buffer not ready\n");
 	    goto out;
 	}

@@ -121,7 +123,7 @@ int eth_send(volatile void *packet, int length)
 				BD_ENET_TX_WRAP);
 
     for(i=0; rtx->txbd[txIdx].cbd_sc & BD_ENET_TX_READY; i++) {
-	if (i >= TOUT_LOOP) {
+	if (i >= CFG_SCC_TOUT_LOOP) {
 	    puts ("scc: tx error\n");
 	    goto out;
 	}

@@ -262,7 +264,6 @@ int eth_init(bd_t *bis)
     pram_ptr->sen_taddrm = 0x0;   /* Tmp Address (unused) */
     pram_ptr->sen_taddrl = 0x0;   /* Tmp Address (LSB) (unused) */
 
-
     /* 24.21 - (19): Initialize RxBD */
     for (i = 0; i < PKTBUFSRX; i++)
     {

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index ab28778..3de2466 100644
@@ -108,7 +108,7 @@
 	"addmtd=setenv bootargs ${bootargs} ${mtdparts}\0"		\
 	"addip=setenv bootargs ${bootargs} "				\
 		"ip=${ipaddr}:${serverip}:${gatewayip}:"		\
-		"${netmask}:${hostname}:${netdev}:on panic=1 "		\
+		"${netmask}:${hostname}:${netdev}:off panic=1 "		\
 		"console=${console}\0"					\
 	"net_nfs=tftp ${kernel_addr} ${bootfile}; "			\
 		"tftp ${fdt_addr} ${fdt_file}; run nfsargs addip addcon;"\