diff options
Diffstat (limited to 'arch/mips/momentum')
| -rw-r--r-- | arch/mips/momentum/jaguar_atx/Makefile | 2 | ||||
| -rw-r--r-- | arch/mips/momentum/jaguar_atx/irq.c | 4 | ||||
| -rw-r--r-- | arch/mips/momentum/jaguar_atx/jaguar_atx_fpga.h | 6 | ||||
| -rw-r--r-- | arch/mips/momentum/jaguar_atx/platform.c | 235 | ||||
| -rw-r--r-- | arch/mips/momentum/jaguar_atx/prom.c | 58 | ||||
| -rw-r--r-- | arch/mips/momentum/ocelot_3/irq.c | 2 | ||||
| -rw-r--r-- | arch/mips/momentum/ocelot_3/prom.c | 3 | ||||
| -rw-r--r-- | arch/mips/momentum/ocelot_c/cpci-irq.c | 2 | ||||
| -rw-r--r-- | arch/mips/momentum/ocelot_c/dbg_io.c | 4 | ||||
| -rw-r--r-- | arch/mips/momentum/ocelot_c/irq.c | 2 | ||||
| -rw-r--r-- | arch/mips/momentum/ocelot_c/prom.c | 3 | ||||
| -rw-r--r-- | arch/mips/momentum/ocelot_c/uart-irq.c | 2 | ||||
| -rw-r--r-- | arch/mips/momentum/ocelot_g/dbg_io.c | 4 | ||||
| -rw-r--r-- | arch/mips/momentum/ocelot_g/irq.c | 4 | ||||
| -rw-r--r-- | arch/mips/momentum/ocelot_g/prom.c | 3 |
15 files changed, 252 insertions, 82 deletions
diff --git a/arch/mips/momentum/jaguar_atx/Makefile b/arch/mips/momentum/jaguar_atx/Makefile index 67372f3f965..2e8cebd49bc 100644 --- a/arch/mips/momentum/jaguar_atx/Makefile +++ b/arch/mips/momentum/jaguar_atx/Makefile @@ -6,7 +6,7 @@ # unless it's something special (ie not a .c file). # -obj-y += irq.o prom.o reset.o setup.o +obj-y += irq.o platform.o prom.o reset.o setup.o obj-$(CONFIG_SERIAL_8250_CONSOLE) += ja-console.o obj-$(CONFIG_REMOTE_DEBUG) += dbg_io.o diff --git a/arch/mips/momentum/jaguar_atx/irq.c b/arch/mips/momentum/jaguar_atx/irq.c index 2efb25aa1ae..f2b432585df 100644 --- a/arch/mips/momentum/jaguar_atx/irq.c +++ b/arch/mips/momentum/jaguar_atx/irq.c @@ -82,8 +82,8 @@ void __init arch_init_irq(void) */ clear_c0_status(ST0_IM); - mips_cpu_irq_init(0); - rm7k_cpu_irq_init(8); + mips_cpu_irq_init(); + rm7k_cpu_irq_init(); /* set up the cascading interrupts */ setup_irq(8, &cascade_mv64340); diff --git a/arch/mips/momentum/jaguar_atx/jaguar_atx_fpga.h b/arch/mips/momentum/jaguar_atx/jaguar_atx_fpga.h index 6978654c712..022f6974b76 100644 --- a/arch/mips/momentum/jaguar_atx/jaguar_atx_fpga.h +++ b/arch/mips/momentum/jaguar_atx/jaguar_atx_fpga.h @@ -46,7 +46,9 @@ extern unsigned long ja_fpga_base; -#define JAGUAR_FPGA_WRITE(x,y) writeb(x, ja_fpga_base + JAGUAR_ATX_REG_##y) -#define JAGUAR_FPGA_READ(x) readb(ja_fpga_base + JAGUAR_ATX_REG_##x) +#define __FPGA_REG_TO_ADDR(reg) \ + ((void *) ja_fpga_base + JAGUAR_ATX_REG_##reg) +#define JAGUAR_FPGA_WRITE(x, reg) writeb(x, __FPGA_REG_TO_ADDR(reg)) +#define JAGUAR_FPGA_READ(reg) readb(__FPGA_REG_TO_ADDR(reg)) #endif diff --git a/arch/mips/momentum/jaguar_atx/platform.c b/arch/mips/momentum/jaguar_atx/platform.c new file mode 100644 index 00000000000..035ea5137c7 --- /dev/null +++ b/arch/mips/momentum/jaguar_atx/platform.c @@ -0,0 +1,235 @@ +#include <linux/delay.h> +#include <linux/if_ether.h> +#include <linux/ioport.h> +#include <linux/mv643xx.h> +#include <linux/platform_device.h> + +#include "jaguar_atx_fpga.h" + +#if defined(CONFIG_MV643XX_ETH) || defined(CONFIG_MV643XX_ETH_MODULE) + +static struct resource mv643xx_eth_shared_resources[] = { + [0] = { + .name = "ethernet shared base", + .start = 0xf1000000 + MV643XX_ETH_SHARED_REGS, + .end = 0xf1000000 + MV643XX_ETH_SHARED_REGS + + MV643XX_ETH_SHARED_REGS_SIZE - 1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device mv643xx_eth_shared_device = { + .name = MV643XX_ETH_SHARED_NAME, + .id = 0, + .num_resources = ARRAY_SIZE(mv643xx_eth_shared_resources), + .resource = mv643xx_eth_shared_resources, +}; + +#define MV_SRAM_BASE 0xfe000000UL +#define MV_SRAM_SIZE (256 * 1024) + +#define MV_SRAM_RXRING_SIZE (MV_SRAM_SIZE / 4) +#define MV_SRAM_TXRING_SIZE (MV_SRAM_SIZE / 4) + +#define MV_SRAM_BASE_ETH0 MV_SRAM_BASE +#define MV_SRAM_BASE_ETH1 (MV_SRAM_BASE + (MV_SRAM_SIZE / 2)) + +#define MV64x60_IRQ_ETH_0 48 +#define MV64x60_IRQ_ETH_1 49 +#define MV64x60_IRQ_ETH_2 50 + +#ifdef CONFIG_MV643XX_ETH_0 + +static struct resource mv64x60_eth0_resources[] = { + [0] = { + .name = "eth0 irq", + .start = MV64x60_IRQ_ETH_0, + .end = MV64x60_IRQ_ETH_0, + .flags = IORESOURCE_IRQ, + }, +}; + +static char eth0_mac_addr[ETH_ALEN]; + +static struct mv643xx_eth_platform_data eth0_pd = { + .mac_addr = eth0_mac_addr, + + .tx_sram_addr = MV_SRAM_BASE_ETH0, + .tx_sram_size = MV_SRAM_TXRING_SIZE, + .tx_queue_size = MV_SRAM_TXRING_SIZE / 16, + + .rx_sram_addr = MV_SRAM_BASE_ETH0 + MV_SRAM_TXRING_SIZE, + .rx_sram_size = MV_SRAM_RXRING_SIZE, + .rx_queue_size = MV_SRAM_RXRING_SIZE / 16, +}; + +static struct platform_device eth0_device = { + .name = MV643XX_ETH_NAME, + .id = 0, + .num_resources = ARRAY_SIZE(mv64x60_eth0_resources), + .resource = mv64x60_eth0_resources, + .dev = { + .platform_data = ð0_pd, + }, +}; +#endif /* CONFIG_MV643XX_ETH_0 */ + +#ifdef CONFIG_MV643XX_ETH_1 + +static struct resource mv64x60_eth1_resources[] = { + [0] = { + .name = "eth1 irq", + .start = MV64x60_IRQ_ETH_1, + .end = MV64x60_IRQ_ETH_1, + .flags = IORESOURCE_IRQ, + }, +}; + +static char eth1_mac_addr[ETH_ALEN]; + +static struct mv643xx_eth_platform_data eth1_pd = { + .mac_addr = eth1_mac_addr, + + .tx_sram_addr = MV_SRAM_BASE_ETH1, + .tx_sram_size = MV_SRAM_TXRING_SIZE, + .tx_queue_size = MV_SRAM_TXRING_SIZE / 16, + + .rx_sram_addr = MV_SRAM_BASE_ETH1 + MV_SRAM_TXRING_SIZE, + .rx_sram_size = MV_SRAM_RXRING_SIZE, + .rx_queue_size = MV_SRAM_RXRING_SIZE / 16, +}; + +static struct platform_device eth1_device = { + .name = MV643XX_ETH_NAME, + .id = 1, + .num_resources = ARRAY_SIZE(mv64x60_eth1_resources), + .resource = mv64x60_eth1_resources, + .dev = { + .platform_data = ð1_pd, + }, +}; +#endif /* CONFIG_MV643XX_ETH_1 */ + +#ifdef CONFIG_MV643XX_ETH_2 + +static struct resource mv64x60_eth2_resources[] = { + [0] = { + .name = "eth2 irq", + .start = MV64x60_IRQ_ETH_2, + .end = MV64x60_IRQ_ETH_2, + .flags = IORESOURCE_IRQ, + }, +}; + +static char eth2_mac_addr[ETH_ALEN]; + +static struct mv643xx_eth_platform_data eth2_pd = { + .mac_addr = eth2_mac_addr, +}; + +static struct platform_device eth2_device = { + .name = MV643XX_ETH_NAME, + .id = 1, + .num_resources = ARRAY_SIZE(mv64x60_eth2_resources), + .resource = mv64x60_eth2_resources, + .dev = { + .platform_data = ð2_pd, + }, +}; +#endif /* CONFIG_MV643XX_ETH_2 */ + +static struct platform_device *mv643xx_eth_pd_devs[] __initdata = { + &mv643xx_eth_shared_device, +#ifdef CONFIG_MV643XX_ETH_0 + ð0_device, +#endif +#ifdef CONFIG_MV643XX_ETH_1 + ð1_device, +#endif +#ifdef CONFIG_MV643XX_ETH_2 + ð2_device, +#endif +}; + +static u8 __init exchange_bit(u8 val, u8 cs) +{ + /* place the data */ + JAGUAR_FPGA_WRITE((val << 2) | cs, EEPROM_MODE); + udelay(1); + + /* turn the clock on */ + JAGUAR_FPGA_WRITE((val << 2) | cs | 0x2, EEPROM_MODE); + udelay(1); + + /* turn the clock off and read-strobe */ + JAGUAR_FPGA_WRITE((val << 2) | cs | 0x10, EEPROM_MODE); + + /* return the data */ + return (JAGUAR_FPGA_READ(EEPROM_MODE) >> 3) & 0x1; +} + +static void __init get_mac(char dest[6]) +{ + u8 read_opcode[12] = {1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; + int i,j; + + for (i = 0; i < 12; i++) + exchange_bit(read_opcode[i], 1); + + for (j = 0; j < 6; j++) { + dest[j] = 0; + for (i = 0; i < 8; i++) { + dest[j] <<= 1; + dest[j] |= exchange_bit(0, 1); + } + } + + /* turn off CS */ + exchange_bit(0,0); +} + +/* + * Copy and increment ethernet MAC address by a small value. + * + * This is useful for systems where the only one MAC address is stored in + * non-volatile memory for multiple ports. + */ +static inline void eth_mac_add(unsigned char *dst, unsigned char *src, + unsigned int add) +{ + int i; + + BUG_ON(add >= 256); + + for (i = ETH_ALEN; i >= 0; i--) { + dst[i] = src[i] + add; + add = dst[i] < src[i]; /* compute carry */ + } + + WARN_ON(add); +} + +static int __init mv643xx_eth_add_pds(void) +{ + unsigned char mac[ETH_ALEN]; + int ret; + + get_mac(mac); +#ifdef CONFIG_MV643XX_ETH_0 + eth_mac_add(eth1_mac_addr, mac, 0); +#endif +#ifdef CONFIG_MV643XX_ETH_1 + eth_mac_add(eth1_mac_addr, mac, 1); +#endif +#ifdef CONFIG_MV643XX_ETH_2 + eth_mac_add(eth2_mac_addr, mac, 2); +#endif + ret = platform_add_devices(mv643xx_eth_pd_devs, + ARRAY_SIZE(mv643xx_eth_pd_devs)); + + return ret; +} + +device_initcall(mv643xx_eth_add_pds); + +#endif /* defined(CONFIG_MV643XX_ETH) || defined(CONFIG_MV643XX_ETH_MODULE) */ diff --git a/arch/mips/momentum/jaguar_atx/prom.c b/arch/mips/momentum/jaguar_atx/prom.c index 3d271292929..5dd154ee58f 100644 --- a/arch/mips/momentum/jaguar_atx/prom.c +++ b/arch/mips/momentum/jaguar_atx/prom.c @@ -39,56 +39,6 @@ const char *get_system_type(void) return "Momentum Jaguar-ATX"; } -#ifdef CONFIG_MV643XX_ETH -extern unsigned char prom_mac_addr_base[6]; - -static void burn_clocks(void) -{ - int i; - - /* this loop should burn at least 1us -- this should be plenty */ - for (i = 0; i < 0x10000; i++) - ; -} - -static u8 exchange_bit(u8 val, u8 cs) -{ - /* place the data */ - JAGUAR_FPGA_WRITE((val << 2) | cs, EEPROM_MODE); - burn_clocks(); - - /* turn the clock on */ - JAGUAR_FPGA_WRITE((val << 2) | cs | 0x2, EEPROM_MODE); - burn_clocks(); - - /* turn the clock off and read-strobe */ - JAGUAR_FPGA_WRITE((val << 2) | cs | 0x10, EEPROM_MODE); - - /* return the data */ - return ((JAGUAR_FPGA_READ(EEPROM_MODE) >> 3) & 0x1); -} - -void get_mac(char dest[6]) -{ - u8 read_opcode[12] = {1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; - int i,j; - - for (i = 0; i < 12; i++) - exchange_bit(read_opcode[i], 1); - - for (j = 0; j < 6; j++) { - dest[j] = 0; - for (i = 0; i < 8; i++) { - dest[j] <<= 1; - dest[j] |= exchange_bit(0, 1); - } - } - - /* turn off CS */ - exchange_bit(0,0); -} -#endif - #ifdef CONFIG_64BIT unsigned long signext(unsigned long addr) @@ -228,16 +178,10 @@ void __init prom_init(void) #endif /* CONFIG_64BIT */ mips_machgroup = MACH_GROUP_MOMENCO; mips_machtype = MACH_MOMENCO_JAGUAR_ATX; - -#ifdef CONFIG_MV643XX_ETH - /* get the base MAC address for on-board ethernet ports */ - get_mac(prom_mac_addr_base); -#endif } -unsigned long __init prom_free_prom_memory(void) +void __init prom_free_prom_memory(void) { - return 0; } void __init prom_fixup_mem_map(unsigned long start, unsigned long end) diff --git a/arch/mips/momentum/ocelot_3/irq.c b/arch/mips/momentum/ocelot_3/irq.c index cea0e5deb80..3862d1d1add 100644 --- a/arch/mips/momentum/ocelot_3/irq.c +++ b/arch/mips/momentum/ocelot_3/irq.c @@ -65,7 +65,7 @@ void __init arch_init_irq(void) */ clear_c0_status(ST0_IM | ST0_BEV); - rm7k_cpu_irq_init(8); + rm7k_cpu_irq_init(); /* set up the cascading interrupts */ setup_irq(8, &cascade_mv64340); /* unmask intControl IM8, IRQ 9 */ diff --git a/arch/mips/momentum/ocelot_3/prom.c b/arch/mips/momentum/ocelot_3/prom.c index 6ce9b7fdb82..8e02df63578 100644 --- a/arch/mips/momentum/ocelot_3/prom.c +++ b/arch/mips/momentum/ocelot_3/prom.c @@ -180,9 +180,8 @@ void __init prom_init(void) #endif } -unsigned long __init prom_free_prom_memory(void) +void __init prom_free_prom_memory(void) { - return 0; } void __init prom_fixup_mem_map(unsigned long start, unsigned long end) diff --git a/arch/mips/momentum/ocelot_c/cpci-irq.c b/arch/mips/momentum/ocelot_c/cpci-irq.c index bb11fef0847..186a140fd2a 100644 --- a/arch/mips/momentum/ocelot_c/cpci-irq.c +++ b/arch/mips/momentum/ocelot_c/cpci-irq.c @@ -84,7 +84,7 @@ void ll_cpci_irq(void) } struct irq_chip cpci_irq_type = { - .typename = "CPCI/FPGA", + .name = "CPCI/FPGA", .ack = mask_cpci_irq, .mask = mask_cpci_irq, .mask_ack = mask_cpci_irq, diff --git a/arch/mips/momentum/ocelot_c/dbg_io.c b/arch/mips/momentum/ocelot_c/dbg_io.c index 2128684584f..32d6fb4ee67 100644 --- a/arch/mips/momentum/ocelot_c/dbg_io.c +++ b/arch/mips/momentum/ocelot_c/dbg_io.c @@ -1,6 +1,4 @@ -#ifdef CONFIG_KGDB - #include <asm/serial.h> /* For the serial port location and base baud */ /* --- CONFIG --- */ @@ -121,5 +119,3 @@ int putDebugChar(uint8 byte) UART16550_WRITE(OFS_SEND_BUFFER, byte); return 1; } - -#endif diff --git a/arch/mips/momentum/ocelot_c/irq.c b/arch/mips/momentum/ocelot_c/irq.c index ea65223a6d2..40472f7944d 100644 --- a/arch/mips/momentum/ocelot_c/irq.c +++ b/arch/mips/momentum/ocelot_c/irq.c @@ -94,7 +94,7 @@ void __init arch_init_irq(void) */ clear_c0_status(ST0_IM); - mips_cpu_irq_init(0); + mips_cpu_irq_init(); /* set up the cascading interrupts */ setup_irq(3, &cascade_fpga); diff --git a/arch/mips/momentum/ocelot_c/prom.c b/arch/mips/momentum/ocelot_c/prom.c index d0b77e101d7..b689ceea8cf 100644 --- a/arch/mips/momentum/ocelot_c/prom.c +++ b/arch/mips/momentum/ocelot_c/prom.c @@ -178,7 +178,6 @@ void __init prom_init(void) #endif } -unsigned long __init prom_free_prom_memory(void) +void __init prom_free_prom_memory(void) { - return 0; } diff --git a/arch/mips/momentum/ocelot_c/uart-irq.c b/arch/mips/momentum/ocelot_c/uart-irq.c index a7a80c0da56..de1a31ee52f 100644 --- a/arch/mips/momentum/ocelot_c/uart-irq.c +++ b/arch/mips/momentum/ocelot_c/uart-irq.c @@ -77,7 +77,7 @@ void ll_uart_irq(void) } struct irq_chip uart_irq_type = { - .typename = "UART/FPGA", + .name = "UART/FPGA", .ack = mask_uart_irq, .mask = mask_uart_irq, .mask_ack = mask_uart_irq, diff --git a/arch/mips/momentum/ocelot_g/dbg_io.c b/arch/mips/momentum/ocelot_g/dbg_io.c index 2128684584f..32d6fb4ee67 100644 --- a/arch/mips/momentum/ocelot_g/dbg_io.c +++ b/arch/mips/momentum/ocelot_g/dbg_io.c @@ -1,6 +1,4 @@ -#ifdef CONFIG_KGDB - #include <asm/serial.h> /* For the serial port location and base baud */ /* --- CONFIG --- */ @@ -121,5 +119,3 @@ int putDebugChar(uint8 byte) UART16550_WRITE(OFS_SEND_BUFFER, byte); return 1; } - -#endif diff --git a/arch/mips/momentum/ocelot_g/irq.c b/arch/mips/momentum/ocelot_g/irq.c index da46524e87c..273541fe708 100644 --- a/arch/mips/momentum/ocelot_g/irq.c +++ b/arch/mips/momentum/ocelot_g/irq.c @@ -94,8 +94,8 @@ void __init arch_init_irq(void) clear_c0_status(ST0_IM); local_irq_disable(); - mips_cpu_irq_init(0); - rm7k_cpu_irq_init(8); + mips_cpu_irq_init(); + rm7k_cpu_irq_init(); gt64240_irq_init(); } diff --git a/arch/mips/momentum/ocelot_g/prom.c b/arch/mips/momentum/ocelot_g/prom.c index 2f75c6b91ec..836d0830720 100644 --- a/arch/mips/momentum/ocelot_g/prom.c +++ b/arch/mips/momentum/ocelot_g/prom.c @@ -79,7 +79,6 @@ void __init prom_init(void) } } -unsigned long __init prom_free_prom_memory(void) +void __init prom_free_prom_memory(void) { - return 0; } |