lots of ifxmips fixes and features

SVN-Revision: 11673

4 files changed, 52 insertions, 263 deletions

diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/board.c b/target/linux/ifxmips/files/arch/mips/ifxmips/board.c
index 0d932a2148..e4ef45408f 100644
--- a/target/linux/ifxmips/files/arch/mips/ifxmips/board.c
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/board.c
@@ -32,7 +32,6 @@
 #include <asm/io.h>
 #include <linux/etherdevice.h>
 #include <asm/ifxmips/ifxmips.h>
-#include <asm/ifxmips/ifxmips_mii0.h>
 
 #define MAX_BOARD_NAME_LEN		32
 #define MAX_IFXMIPS_DEVS		9
@@ -63,7 +62,8 @@ struct ifxmips_board {
 spinlock_t ebu_lock = SPIN_LOCK_UNLOCKED;
 EXPORT_SYMBOL_GPL(ebu_lock);
 
-static struct ifxmips_mac ifxmips_mii_mac;
+static unsigned char ifxmips_mii_mac[6];
+static int ifxmips_brn = 0;
 
 static struct platform_device
 ifxmips_led =
@@ -86,7 +86,7 @@ ifxmips_mii =
 	.id = 0,
 	.name = "ifxmips_mii0",
 	.dev = {
-		.platform_data = &ifxmips_mii_mac,
+		.platform_data = ifxmips_mii_mac,
 	}
 };
 
@@ -172,9 +172,9 @@ ifxmips_set_mii0_mac(char *str)
 			goto out;
 		if((i != 5) && (str[(3 * i) + 2] != ':'))
 			goto out;
-		ifxmips_mii_mac.mac[i] = simple_strtoul(&str[3 * i], NULL, 16);
+		ifxmips_mii_mac[i] = simple_strtoul(&str[3 * i], NULL, 16);
 	}
-	if(is_valid_ether_addr(ifxmips_mii_mac.mac))
+	if(is_valid_ether_addr(ifxmips_mii_mac))
 		cmdline_mac = 1;
 out:
 	return 1;
@@ -257,7 +257,24 @@ static struct ifxmips_board boards[] =
 	},
 };
 
-struct ifxmips_board* ifxmips_find_board(void)
+int
+ifxmips_find_brn_block(void){
+	unsigned char temp[0];
+	memcpy_fromio(temp, (void*)KSEG1ADDR(IFXMIPS_FLASH_START + 0x800000 - 0x10000), 8);
+	if(memcmp(temp, "BRN-BOOT", 8) == 0)
+		return 1;
+	else
+		return 0;
+}
+
+int
+ifxmips_has_brn_block(void)
+{
+	return ifxmips_brn;
+}
+
+struct ifxmips_board*
+ifxmips_find_board(void)
 {
 	int i;
 	if(!*board_name)
@@ -274,9 +291,10 @@ ifxmips_init_devices(void)
 	struct ifxmips_board *board = ifxmips_find_board();
 
 	chiprev = ifxmips_r32(IFXMIPS_MPS_CHIPID);
+	ifxmips_brn = ifxmips_find_brn_block();
 
 	if(!cmdline_mac)
-		random_ether_addr(ifxmips_mii_mac.mac);
+		random_ether_addr(ifxmips_mii_mac);
 
 	if(!board)
 	{
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/clock.c b/target/linux/ifxmips/files/arch/mips/ifxmips/clock.c
index c86b70cc04..fc3658b71f 100644
--- a/target/linux/ifxmips/files/arch/mips/ifxmips/clock.c
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/clock.c
@@ -31,46 +31,45 @@
 #include <linux/errno.h>
 #include <asm/ifxmips/ifxmips.h>
 
-#define FIX_FOR_36M_CRYSTAL             1
 #define BASIC_INPUT_CLOCK_FREQUENCY_1   35328000
 #define BASIC_INPUT_CLOCK_FREQUENCY_2   36000000
 
 #define BASIS_INPUT_CRYSTAL_USB         12000000
 
 #define GET_BITS(x, msb, lsb)           (((x) & ((1 << ((msb) + 1)) - 1)) >> (lsb))
-#define SET_BITS(x, msb, lsb, value)    (((x) & ~(((1 << ((msb) + 1)) - 1) ^ ((1 << (lsb)) - 1))) | (((value) & ((1 << (1 + (msb) - (lsb))) - 1)) << (lsb)))
 
-#define CGU_PLL0_PHASE_DIVIDER_ENABLE   (*IFXMIPS_CGU_PLL0_CFG & (1 << 31))
-#define CGU_PLL0_BYPASS                 (*IFXMIPS_CGU_PLL0_CFG & (1 << 30))
-#define CGU_PLL0_SRC                    (*IFXMIPS_CGU_PLL0_CFG & (1 << 29))
-#define CGU_PLL0_CFG_DSMSEL             (*IFXMIPS_CGU_PLL0_CFG & (1 << 28))
-#define CGU_PLL0_CFG_FRAC_EN            (*IFXMIPS_CGU_PLL0_CFG & (1 << 27))
+
+#define CGU_PLL0_PHASE_DIVIDER_ENABLE   (ifxmips_r32(IFXMIPS_CGU_PLL0_CFG) & (1 << 31))
+#define CGU_PLL0_BYPASS                 (ifxmips_r32(IFXMIPS_CGU_PLL0_CFG) & (1 << 30))
+#define CGU_PLL0_CFG_DSMSEL             (ifxmips_r32(IFXMIPS_CGU_PLL0_CFG) & (1 << 28))
+#define CGU_PLL0_CFG_FRAC_EN            (ifxmips_r32(IFXMIPS_CGU_PLL0_CFG) & (1 << 27))
+#define CGU_PLL1_SRC                    (ifxmips_r32(IFXMIPS_CGU_PLL1_CFG) & (1 << 31))
+#define CGU_PLL1_BYPASS                 (ifxmips_r32(IFXMIPS_CGU_PLL1_CFG) & (1 << 30))
+#define CGU_PLL1_CFG_DSMSEL             (ifxmips_r32(IFXMIPS_CGU_PLL1_CFG) & (1 << 28))
+#define CGU_PLL1_CFG_FRAC_EN            (ifxmips_r32(IFXMIPS_CGU_PLL1_CFG) & (1 << 27))
+#define CGU_PLL2_PHASE_DIVIDER_ENABLE   (ifxmips_r32(IFXMIPS_CGU_PLL2_CFG) & (1 << 20))
+#define CGU_PLL2_BYPASS                 (ifxmips_r32(IFXMIPS_CGU_PLL2_CFG) & (1 << 19))
+#define CGU_SYS_FPI_SEL                 (1 << 6)
+#define CGU_SYS_DDR_SEL                 0x3
+#define CGU_PLL0_SRC                    (1 << 29)
+
 #define CGU_PLL0_CFG_PLLK               GET_BITS(*IFXMIPS_CGU_PLL0_CFG, 26, 17)
 #define CGU_PLL0_CFG_PLLN               GET_BITS(*IFXMIPS_CGU_PLL0_CFG, 12, 6)
 #define CGU_PLL0_CFG_PLLM               GET_BITS(*IFXMIPS_CGU_PLL0_CFG, 5, 2)
-#define CGU_PLL1_SRC                    (*IFXMIPS_CGU_PLL1_CFG & (1 << 31))
-#define CGU_PLL1_BYPASS                 (*IFXMIPS_CGU_PLL1_CFG & (1 << 30))
-#define CGU_PLL1_CFG_DSMSEL             (*IFXMIPS_CGU_PLL1_CFG & (1 << 28))
-#define CGU_PLL1_CFG_FRAC_EN            (*IFXMIPS_CGU_PLL1_CFG & (1 << 27))
 #define CGU_PLL1_CFG_PLLK               GET_BITS(*IFXMIPS_CGU_PLL1_CFG, 26, 17)
 #define CGU_PLL1_CFG_PLLN               GET_BITS(*IFXMIPS_CGU_PLL1_CFG, 12, 6)
 #define CGU_PLL1_CFG_PLLM               GET_BITS(*IFXMIPS_CGU_PLL1_CFG, 5, 2)
-#define CGU_PLL2_PHASE_DIVIDER_ENABLE   (*IFXMIPS_CGU_PLL2_CFG & (1 << 20))
-#define CGU_PLL2_BYPASS                 (*IFXMIPS_CGU_PLL2_CFG & (1 << 19))
 #define CGU_PLL2_SRC                    GET_BITS(*IFXMIPS_CGU_PLL2_CFG, 18, 17)
 #define CGU_PLL2_CFG_INPUT_DIV          GET_BITS(*IFXMIPS_CGU_PLL2_CFG, 16, 13)
 #define CGU_PLL2_CFG_PLLN               GET_BITS(*IFXMIPS_CGU_PLL2_CFG, 12, 6)
 #define CGU_PLL2_CFG_PLLM               GET_BITS(*IFXMIPS_CGU_PLL2_CFG, 5, 2)
-#define CGU_SYS_PPESEL                  GET_BITS(*IFXMIPS_CGU_SYS, 8, 7)
-#define CGU_SYS_FPI_SEL                 (*IFXMIPS_CGU_SYS & (1 << 6))
-#define CGU_SYS_CPU1SEL                 GET_BITS(*IFXMIPS_CGU_SYS, 5, 4)
-#define CGU_SYS_CPU0SEL                 GET_BITS(*IFXMIPS_CGU_SYS, 3, 2)
-#define CGU_SYS_DDR_SEL                 GET_BITS(*IFXMIPS_CGU_SYS, 1, 0)
 #define CGU_IF_CLK_PCI_CLK              GET_BITS(*IFXMIPS_CGU_IF_CLK, 23, 20)
-#define CGU_IF_CLK_USBSEL               GET_BITS(*IFXMIPS_CGU_IF_CLK, 5, 4)
-#define CGU_IF_CLK_MIISEL               GET_BITS(*IFXMIPS_CGU_IF_CLK, 1, 0)
 
 static unsigned int cgu_get_pll0_fdiv(void);
+unsigned int ifxmips_clocks[] = {CLOCK_167M, CLOCK_133M, CLOCK_111M, CLOCK_83M };
+
+#define DDR_HZ ifxmips_clocks[ifxmips_r32(IFXMIPS_CGU_SYS) & 0x3]
+
 
 static inline unsigned int
 get_input_clock(int pll)
@@ -78,7 +77,7 @@ get_input_clock(int pll)
 	switch(pll)
 	{
 	case 0:
-		if(CGU_PLL0_SRC)
+		if(ifxmips_r32(IFXMIPS_CGU_PLL0_CFG) & CGU_PLL0_SRC)
 			return BASIS_INPUT_CRYSTAL_USB;
 		else if(CGU_PLL0_PHASE_DIVIDER_ENABLE)
 			return BASIC_INPUT_CLOCK_FREQUENCY_1;
@@ -169,134 +168,18 @@ cgu_get_pll0_fosc(void)
 				CGU_PLL0_CFG_DSMSEL, CGU_PLL0_PHASE_DIVIDER_ENABLE);
 }
 
-static inline unsigned int
-cgu_get_pll0_fps(int phase)
-{
-	register unsigned int fps = cgu_get_pll0_fosc();
-
-	switch(phase)
-	{
-	case 1:
-		/*  1.25    */
-		fps = ((fps << 2) + 2) / 5;
-		break;
-	case 2:
-		/*  1.5     */
-		fps = ((fps << 1) + 1) / 3;
-		break;
-	}
-	return fps;
-}
-
 static unsigned int
 cgu_get_pll0_fdiv(void)
 {
 	register unsigned int div = CGU_PLL2_CFG_INPUT_DIV + 1;
-
 	return (cgu_get_pll0_fosc() + (div >> 1)) / div;
 }
 
-static inline unsigned int
-cgu_get_pll1_fosc(void)
-{
-	if(CGU_PLL1_BYPASS)
-		return get_input_clock(1);
-	else
-		return !CGU_PLL1_CFG_FRAC_EN
-			? dsm(1, CGU_PLL1_CFG_PLLM, CGU_PLL1_CFG_PLLN, 0, CGU_PLL1_CFG_DSMSEL, 0)
-			: dsm(1, CGU_PLL1_CFG_PLLM, CGU_PLL1_CFG_PLLN, CGU_PLL1_CFG_PLLK, CGU_PLL1_CFG_DSMSEL, 0);
-}
-
-static inline unsigned int
-cgu_get_pll1_fps(void)
-{
-	register unsigned int fps = cgu_get_pll1_fosc();
-
-	return ((fps << 1) + 1) / 3;
-}
-
-static inline unsigned int
-cgu_get_pll1_fdiv(void)
-{
-	return cgu_get_pll1_fosc();
-}
-
-static inline unsigned int
-cgu_get_pll2_fosc(void)
-{
-	u64 res, clock = get_input_clock(2);
-
-	if ( CGU_PLL2_BYPASS )
-		return get_input_clock(2);
-
-	res = (CGU_PLL2_CFG_PLLN + 1) * clock;
-	do_div(res, CGU_PLL2_CFG_PLLM + 1);
-
-	return res;
-}
-
-static inline unsigned int
-cgu_get_pll2_fps(int phase)
-{
-	register unsigned int fps = cgu_get_pll2_fosc();
-
-	switch ( phase )
-	{
-	case 1:
-		/*  1.125   */
-		fps = ((fps << 2) + 2) / 5; break;
-	case 2:
-		/*  1.25    */
-		fps = ((fps << 3) + 4) / 9;
-	}
-
-	return fps;
-}
-
-static inline unsigned int
-cgu_get_pll2_fdiv(void)
-{
-	register unsigned int div = CGU_IF_CLK_PCI_CLK + 1;
-	return (cgu_get_pll2_fosc() + (div >> 1)) / div;
-}
-
-unsigned int
-cgu_get_mips_clock(int cpu)
-{
-	register unsigned int ret = cgu_get_pll0_fosc();
-	register unsigned int cpusel = cpu == 0 ? CGU_SYS_CPU0SEL : CGU_SYS_CPU1SEL;
-
-	if(cpusel == 0)
-		return ret;
-	else if(cpusel == 2)
-		ret <<= 1;
-
-	switch(CGU_SYS_DDR_SEL)
-	{
-	default:
-	case 0:
-		return (ret + 1) / 2;
-	case 1:
-		return (ret * 2 + 2) / 5;
-	case 2:
-		return (ret + 1) / 3;
-	case 3:
-		return (ret + 2) / 4;
-	}
-}
-
-unsigned int
-cgu_get_cpu_clock(void)
-{
-	return cgu_get_mips_clock(0);
-}
-
 unsigned int
 cgu_get_io_region_clock(void)
 {
 	register unsigned int ret = cgu_get_pll0_fosc();
-
-	switch(CGU_SYS_DDR_SEL)
+	switch(ifxmips_r32(IFXMIPS_CGU_PLL2_CFG) & CGU_SYS_DDR_SEL)
 	{
 	default:
 	case 0:
@@ -314,112 +197,16 @@ unsigned int
 cgu_get_fpi_bus_clock(int fpi)
 {
 	register unsigned int ret = cgu_get_io_region_clock();
-
-	if((fpi == 2) && (CGU_SYS_FPI_SEL))
+	if((fpi == 2) && (ifxmips_r32(IFXMIPS_CGU_SYS) & CGU_SYS_FPI_SEL))
 		ret >>= 1;
-
 	return ret;
 }
 
-unsigned int
-cgu_get_pp32_clock(void)
-{
-	switch(CGU_SYS_PPESEL)
-	{
-	default:
-	case 0:
-		return cgu_get_pll2_fps(1);
-	case 1:
-		return cgu_get_pll2_fps(2);
-	case 2:
-		return (cgu_get_pll2_fps(1) + 1) >> 1;
-	case 3:
-		return (cgu_get_pll2_fps(2) + 1) >> 1;
-	}
-}
-
-unsigned int
-cgu_get_ethernet_clock(int mii)
-{
-	switch(CGU_IF_CLK_MIISEL)
-	{
-	case 0:
-		return (cgu_get_pll2_fosc() + 3) / 12;
-	case 1:
-		return (cgu_get_pll2_fosc() + 3) / 6;
-	case 2:
-		return 50000000;
-	case 3:
-		return 25000000;
-	}
-	return 0;
-}
-
-unsigned int
-cgu_get_usb_clock(void)
-{
-	switch(CGU_IF_CLK_USBSEL)
-	{
-	case 0:
-		return (cgu_get_pll2_fosc() + 12) / 25;
-	case 1:
-		return 12000000;
-	case 2:
-		return 12000000 / 4;
-	case 3:
-		return 12000000;
-	}
-	return 0;
-}
-
-unsigned int
-cgu_get_clockout(int clkout)
-{
-	unsigned int fosc1 = cgu_get_pll1_fosc();
-	unsigned int fosc2 = cgu_get_pll2_fosc();
-
-	if(clkout > 3 || clkout < 0)
-		return 0;
-
-	switch(((unsigned int)clkout << 2) | GET_BITS(*IFXMIPS_CGU_IF_CLK, 15 - clkout * 2, 14 - clkout * 2))
-	{
-	case 0: /*  32.768KHz   */
-	case 15:
-		return (fosc1 + 6000) / 12000;
-	case 1: /*  1.536MHz    */
-		return (fosc1 + 128) / 256;
-	case 2: /*  2.5MHz      */
-		return (fosc2 + 60) / 120;
-	case 3: /*  12MHz       */
-	case 5:
-	case 12:
-		return (fosc2 + 12) / 25;
-	case 4: /*  40MHz       */
-		return (cgu_get_pll2_fps(2) + 3) / 6;
-	case 6: /*  24MHz       */
-		return (cgu_get_pll2_fps(2) + 5) / 10;
-	case 7: /*  48MHz       */
-		return (cgu_get_pll2_fps(2) + 2) / 5;
-	case 8: /*  25MHz       */
-	case 14:
-		return (fosc2 + 6) / 12;
-	case 9: /*  50MHz       */
-	case 13:
-		return (fosc2 + 3) / 6;
-	case 10:/*  30MHz       */
-		return (fosc2 + 5) / 10;
-	case 11:/*  60MHz       */
-		return (fosc2 + 2) / 5;
-	}
-	return 0;
-}
-
 void cgu_setup_pci_clk(int external_clock)
 {
 	//set clock to 33Mhz 
 	ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) & ~0xf00000, IFXMIPS_CGU_IFCCR);
 	ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) | 0x800000, IFXMIPS_CGU_IFCCR);
-	// internal or external clock
 	if(external_clock)
 	{
 		ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) & ~ (1 << 16), IFXMIPS_CGU_IFCCR);
@@ -431,25 +218,9 @@ void cgu_setup_pci_clk(int external_clock)
 }
 
 unsigned int
-ifxmips_get_ddr_hz(void)
-{
-	switch(ifxmips_r32(IFXMIPS_CGU_SYS) & 0x3)
-	{
-	case 0:
-		return CLOCK_167M;
-	case 1:
-		return CLOCK_133M;
-	case 2:
-		return CLOCK_111M;
-	}
-	return CLOCK_83M;
-}
-EXPORT_SYMBOL(ifxmips_get_ddr_hz);
-
-unsigned int
 ifxmips_get_cpu_hz(void)
 {
-	unsigned int ddr_clock = ifxmips_get_ddr_hz();
+	unsigned int ddr_clock = DDR_HZ;
 	switch(ifxmips_r32(IFXMIPS_CGU_SYS) & 0xc)
 	{
 	case 0:
@@ -464,11 +235,9 @@ EXPORT_SYMBOL(ifxmips_get_cpu_hz);
 unsigned int
 ifxmips_get_fpi_hz(void)
 {
-	unsigned int ddr_clock = ifxmips_get_ddr_hz();
+	unsigned int ddr_clock = DDR_HZ;
 	if(ifxmips_r32(IFXMIPS_CGU_SYS) & 0x40)
 		return ddr_clock >> 1;
 	return ddr_clock;
 }
 EXPORT_SYMBOL(ifxmips_get_fpi_hz);
-
-
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/gpio.c b/target/linux/ifxmips/files/arch/mips/ifxmips/gpio.c
index cf64bda976..eef5146698 100644
--- a/target/linux/ifxmips/files/arch/mips/ifxmips/gpio.c
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/gpio.c
@@ -39,7 +39,6 @@
 #include <asm/semaphore.h>
 #include <asm/uaccess.h>
 #include <asm/ifxmips/ifxmips.h>
-#include <asm/ifxmips/ifxmips_ioctl.h>
 
 #define MAX_PORTS			2
 #define PINS_PER_PORT		16
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/prom.c b/target/linux/ifxmips/files/arch/mips/ifxmips/prom.c
index cbfcb75f0d..880febc62b 100644
--- a/target/linux/ifxmips/files/arch/mips/ifxmips/prom.c
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/prom.c
@@ -18,6 +18,7 @@
  */
 
 #include <linux/init.h>
+#include <linux/module.h>
 #include <linux/bootmem.h>
 #include <asm/bootinfo.h>
 #include <asm/ifxmips/ifxmips.h>
@@ -83,11 +84,13 @@ unsigned int *prom_get_cp1_base(void)
 {
 	return prom_cp1_base;
 }
+EXPORT_SYMBOL(prom_get_cp1_base);
 
 unsigned int prom_get_cp1_size(void)
 {
 	return prom_cp1_size;
 }
+EXPORT_SYMBOL(prom_get_cp1_size);
 
 void __init
 prom_init(void)