diff options
Diffstat (limited to 'board/gdsys/405ep')
-rw-r--r-- | board/gdsys/405ep/iocon.c | 468 |
1 files changed, 433 insertions, 35 deletions
diff --git a/board/gdsys/405ep/iocon.c b/board/gdsys/405ep/iocon.c index 1af5245..9f84fb1 100644 --- a/board/gdsys/405ep/iocon.c +++ b/board/gdsys/405ep/iocon.c @@ -7,6 +7,7 @@ #include <common.h> #include <command.h> +#include <errno.h> #include <asm/processor.h> #include <asm/io.h> #include <asm/ppc4xx-gpio.h> @@ -15,6 +16,15 @@ #include <gdsys_fpga.h> #include "../common/osd.h" +#include "../common/mclink.h" + +#include <i2c.h> +#include <pca953x.h> +#include <pca9698.h> + +#include <miiphy.h> + +DECLARE_GLOBAL_DATA_PTR; #define LATCH0_BASE (CONFIG_SYS_LATCH_BASE) #define LATCH1_BASE (CONFIG_SYS_LATCH_BASE + 0x100) @@ -31,11 +41,20 @@ enum { HWVER_100 = 0, HWVER_104 = 1, HWVER_110 = 2, + HWVER_120 = 3, + HWVER_200 = 4, + HWVER_210 = 5, +}; + +enum { + FPGA_HWVER_200 = 0, + FPGA_HWVER_210 = 1, }; enum { COMPRESSION_NONE = 0, - COMPRESSION_TYPE1_DELTA, + COMPRESSION_TYPE1_DELTA = 1, + COMPRESSION_TYPE1_TYPE2_DELTA = 3, }; enum { @@ -51,10 +70,71 @@ enum { enum { RAM_DDR2_32 = 0, + RAM_DDR3_32 = 1, +}; + +enum { + MCFPGA_DONE = 1 << 0, + MCFPGA_INIT_N = 1 << 1, + MCFPGA_PROGRAM_N = 1 << 2, + MCFPGA_UPDATE_ENABLE_N = 1 << 3, + MCFPGA_RESET_N = 1 << 4, +}; + +enum { + GPIO_MDC = 1 << 14, + GPIO_MDIO = 1 << 15, }; +unsigned int mclink_fpgacount; struct ihs_fpga *fpga_ptr[] = CONFIG_SYS_FPGA_PTR; +static int setup_88e1518(const char *bus, unsigned char addr); +static int verify_88e1518(const char *bus, unsigned char addr); + +int fpga_set_reg(u32 fpga, u16 *reg, off_t regoff, u16 data) +{ + int res; + + switch (fpga) { + case 0: + out_le16(reg, data); + break; + default: + res = mclink_send(fpga - 1, regoff, data); + if (res < 0) { + printf("mclink_send reg %02lx data %04x returned %d\n", + regoff, data, res); + return res; + } + break; + } + + return 0; +} + +int fpga_get_reg(u32 fpga, u16 *reg, off_t regoff, u16 *data) +{ + int res; + + switch (fpga) { + case 0: + *data = in_le16(reg); + break; + default: + if (fpga > mclink_fpgacount) + return -EINVAL; + res = mclink_receive(fpga - 1, regoff, data); + if (res < 0) { + printf("mclink_receive reg %02lx returned %d\n", + regoff, res); + return res; + } + } + + return 0; +} + /* * Check Board Identity: */ @@ -76,7 +156,7 @@ int checkboard(void) return 0; } -static void print_fpga_info(void) +static void print_fpga_info(unsigned int fpga) { u16 versions; u16 fpga_version; @@ -90,13 +170,13 @@ static void print_fpga_info(void) unsigned feature_ramconfig; unsigned feature_carriers; unsigned feature_video_channels; + int legacy = get_fpga_state(0) & FPGA_STATE_PLATFORM; FPGA_GET_REG(0, versions, &versions); FPGA_GET_REG(0, fpga_version, &fpga_version); FPGA_GET_REG(0, fpga_features, &fpga_features); unit_type = (versions & 0xf000) >> 12; - hardware_version = versions & 0x000f; feature_compression = (fpga_features & 0xe000) >> 13; feature_osd = fpga_features & (1<<11); feature_audio = (fpga_features & 0x0600) >> 9; @@ -105,6 +185,9 @@ static void print_fpga_info(void) feature_carriers = (fpga_features & 0x000c) >> 2; feature_video_channels = fpga_features & 0x0003; + if (legacy) + printf("legacy "); + switch (unit_type) { case UNITTYPE_MAIN_USER: printf("Mainchannel"); @@ -119,27 +202,68 @@ static void print_fpga_info(void) break; } - switch (hardware_version) { - case HWVER_100: - printf(" HW-Ver 1.00\n"); - break; - - case HWVER_104: - printf(" HW-Ver 1.04\n"); - break; - - case HWVER_110: - printf(" HW-Ver 1.10\n"); - break; + if (unit_type == UNITTYPE_MAIN_USER) { + if (legacy) + hardware_version = + (in_le16((void *)LATCH2_BASE)>>8) & 0x0f; + else + hardware_version = + (!!pca9698_get_value(0x20, 24) << 0) + | (!!pca9698_get_value(0x20, 25) << 1) + | (!!pca9698_get_value(0x20, 26) << 2) + | (!!pca9698_get_value(0x20, 27) << 3); + switch (hardware_version) { + case HWVER_100: + printf(" HW-Ver 1.00,"); + break; + + case HWVER_104: + printf(" HW-Ver 1.04,"); + break; + + case HWVER_110: + printf(" HW-Ver 1.10,"); + break; + + case HWVER_120: + printf(" HW-Ver 1.20-1.21,"); + break; + + case HWVER_200: + printf(" HW-Ver 2.00,"); + break; + + case HWVER_210: + printf(" HW-Ver 2.10,"); + break; + + default: + printf(" HW-Ver %d(not supported),", + hardware_version); + break; + } + } - default: - printf(" HW-Ver %d(not supported)\n", - hardware_version); - break; + if (unit_type == UNITTYPE_VIDEO_USER) { + hardware_version = versions & 0x000f; + switch (hardware_version) { + case FPGA_HWVER_200: + printf(" HW-Ver 2.00,"); + break; + + case FPGA_HWVER_210: + printf(" HW-Ver 2.10,"); + break; + + default: + printf(" HW-Ver %d(not supported),", + hardware_version); + break; + } } - printf(" FPGA V %d.%02d, features:", - fpga_version / 100, fpga_version % 100); + printf(" FPGA V %d.%02d\n features:", + fpga_version / 100, fpga_version % 100); switch (feature_compression) { @@ -151,6 +275,10 @@ static void print_fpga_info(void) printf(" type1-deltacompression"); break; + case COMPRESSION_TYPE1_TYPE2_DELTA: + printf(" type1-deltacompression, type2-inlinecompression"); + break; + default: printf(" compression %d(not supported)", feature_compression); break; @@ -197,6 +325,10 @@ static void print_fpga_info(void) printf(", RAM 32 bit DDR2"); break; + case RAM_DDR3_32: + printf(", RAM 32 bit DDR3"); + break; + default: printf(", RAM %d(not supported)", feature_ramconfig); break; @@ -209,46 +341,117 @@ static void print_fpga_info(void) int last_stage_init(void) { - print_fpga_info(); + int slaves; + unsigned int k; + unsigned char mclink_controllers[] = { 0x24, 0x25, 0x26 }; + int legacy = get_fpga_state(0) & FPGA_STATE_PLATFORM; + + print_fpga_info(0); + osd_probe(0); + + /* wait for FPGA done */ + for (k = 0; k < ARRAY_SIZE(mclink_controllers); ++k) { + unsigned int ctr = 0; + + if (i2c_probe(mclink_controllers[k])) + continue; + + while (!(pca953x_get_val(mclink_controllers[k]) + & MCFPGA_DONE)) { + udelay(100000); + if (ctr++ > 5) { + printf("no done for mclink_controller %d\n", k); + break; + } + } + } + + if (!legacy) { + miiphy_register(bb_miiphy_buses[0].name, bb_miiphy_read, + bb_miiphy_write); + if (!verify_88e1518(bb_miiphy_buses[0].name, 0)) { + printf("Fixup 88e1518 erratum on %s\n", + bb_miiphy_buses[0].name); + setup_88e1518(bb_miiphy_buses[0].name, 0); + } + } - return osd_probe(0); + /* wait for slave-PLLs to be up and running */ + udelay(500000); + + mclink_fpgacount = CONFIG_SYS_MCLINK_MAX; + slaves = mclink_probe(); + mclink_fpgacount = 0; + + if (slaves <= 0) + return 0; + + mclink_fpgacount = slaves; + + for (k = 1; k <= slaves; ++k) { + print_fpga_info(k); + osd_probe(k); + miiphy_register(bb_miiphy_buses[k].name, + bb_miiphy_read, bb_miiphy_write); + if (!verify_88e1518(bb_miiphy_buses[k].name, 0)) { + printf("Fixup 88e1518 erratum on %s\n", + bb_miiphy_buses[k].name); + setup_88e1518(bb_miiphy_buses[k].name, 0); + } + } + + return 0; } /* * provide access to fpga gpios (for I2C bitbang) * (these may look all too simple but make iocon.h much more readable) */ -void fpga_gpio_set(int pin) +void fpga_gpio_set(unsigned int bus, int pin) { - FPGA_SET_REG(0, gpio.set, pin); + FPGA_SET_REG(bus, gpio.set, pin); } -void fpga_gpio_clear(int pin) +void fpga_gpio_clear(unsigned int bus, int pin) { - FPGA_SET_REG(0, gpio.clear, pin); + FPGA_SET_REG(bus, gpio.clear, pin); } -int fpga_gpio_get(int pin) +int fpga_gpio_get(unsigned int bus, int pin) { u16 val; - FPGA_GET_REG(0, gpio.read, &val); + FPGA_GET_REG(bus, gpio.read, &val); return val & pin; } void gd405ep_init(void) { + unsigned int k; + + if (i2c_probe(0x20)) { /* i2c_probe returns 0 on success */ + for (k = 0; k < CONFIG_SYS_FPGA_COUNT; ++k) + gd->arch.fpga_state[k] |= FPGA_STATE_PLATFORM; + } else { + pca9698_direction_output(0x20, 4, 1); + } } void gd405ep_set_fpga_reset(unsigned state) { - if (state) { - out_le16((void *)LATCH0_BASE, CONFIG_SYS_LATCH0_RESET); - out_le16((void *)LATCH1_BASE, CONFIG_SYS_LATCH1_RESET); + int legacy = get_fpga_state(0) & FPGA_STATE_PLATFORM; + + if (legacy) { + if (state) { + out_le16((void *)LATCH0_BASE, CONFIG_SYS_LATCH0_RESET); + out_le16((void *)LATCH1_BASE, CONFIG_SYS_LATCH1_RESET); + } else { + out_le16((void *)LATCH0_BASE, CONFIG_SYS_LATCH0_BOOT); + out_le16((void *)LATCH1_BASE, CONFIG_SYS_LATCH1_BOOT); + } } else { - out_le16((void *)LATCH0_BASE, CONFIG_SYS_LATCH0_BOOT); - out_le16((void *)LATCH1_BASE, CONFIG_SYS_LATCH1_BOOT); + pca9698_set_value(0x20, 4, state ? 0 : 1); } } @@ -263,5 +466,200 @@ void gd405ep_setup_hw(void) int gd405ep_get_fpga_done(unsigned fpga) { - return in_le16((void *)LATCH2_BASE) & CONFIG_SYS_FPGA_DONE(fpga); + int legacy = get_fpga_state(0) & FPGA_STATE_PLATFORM; + + if (legacy) + return in_le16((void *)LATCH2_BASE) + & CONFIG_SYS_FPGA_DONE(fpga); + else + return pca9698_get_value(0x20, 20); +} + +/* + * FPGA MII bitbang implementation + */ + +struct fpga_mii { + unsigned fpga; + int mdio; +} fpga_mii[] = { + { 0, 1}, + { 1, 1}, + { 2, 1}, + { 3, 1}, +}; + +static int mii_dummy_init(struct bb_miiphy_bus *bus) +{ + return 0; +} + +static int mii_mdio_active(struct bb_miiphy_bus *bus) +{ + struct fpga_mii *fpga_mii = bus->priv; + + if (fpga_mii->mdio) + FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDIO); + else + FPGA_SET_REG(fpga_mii->fpga, gpio.clear, GPIO_MDIO); + + return 0; +} + +static int mii_mdio_tristate(struct bb_miiphy_bus *bus) +{ + struct fpga_mii *fpga_mii = bus->priv; + + FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDIO); + + return 0; +} + +static int mii_set_mdio(struct bb_miiphy_bus *bus, int v) +{ + struct fpga_mii *fpga_mii = bus->priv; + + if (v) + FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDIO); + else + FPGA_SET_REG(fpga_mii->fpga, gpio.clear, GPIO_MDIO); + + fpga_mii->mdio = v; + + return 0; +} + +static int mii_get_mdio(struct bb_miiphy_bus *bus, int *v) +{ + u16 gpio; + struct fpga_mii *fpga_mii = bus->priv; + + FPGA_GET_REG(fpga_mii->fpga, gpio.read, &gpio); + + *v = ((gpio & GPIO_MDIO) != 0); + + return 0; +} + +static int mii_set_mdc(struct bb_miiphy_bus *bus, int v) +{ + struct fpga_mii *fpga_mii = bus->priv; + + if (v) + FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDC); + else + FPGA_SET_REG(fpga_mii->fpga, gpio.clear, GPIO_MDC); + + return 0; +} + +static int mii_delay(struct bb_miiphy_bus *bus) +{ + udelay(1); + + return 0; +} + +struct bb_miiphy_bus bb_miiphy_buses[] = { + { + .name = "trans1", + .init = mii_dummy_init, + .mdio_active = mii_mdio_active, + .mdio_tristate = mii_mdio_tristate, + .set_mdio = mii_set_mdio, + .get_mdio = mii_get_mdio, + .set_mdc = mii_set_mdc, + .delay = mii_delay, + .priv = &fpga_mii[0], + }, + { + .name = "trans2", + .init = mii_dummy_init, + .mdio_active = mii_mdio_active, + .mdio_tristate = mii_mdio_tristate, + .set_mdio = mii_set_mdio, + .get_mdio = mii_get_mdio, + .set_mdc = mii_set_mdc, + .delay = mii_delay, + .priv = &fpga_mii[1], + }, + { + .name = "trans3", + .init = mii_dummy_init, + .mdio_active = mii_mdio_active, + .mdio_tristate = mii_mdio_tristate, + .set_mdio = mii_set_mdio, + .get_mdio = mii_get_mdio, + .set_mdc = mii_set_mdc, + .delay = mii_delay, + .priv = &fpga_mii[2], + }, + { + .name = "trans4", + .init = mii_dummy_init, + .mdio_active = mii_mdio_active, + .mdio_tristate = mii_mdio_tristate, + .set_mdio = mii_set_mdio, + .get_mdio = mii_get_mdio, + .set_mdc = mii_set_mdc, + .delay = mii_delay, + .priv = &fpga_mii[3], + }, +}; + +int bb_miiphy_buses_num = sizeof(bb_miiphy_buses) / + sizeof(bb_miiphy_buses[0]); + +/* + * Workaround for erratum mentioned in 88E1518 release notes + */ + +static int verify_88e1518(const char *bus, unsigned char addr) +{ + u16 phy_id1, phy_id2; + + if (miiphy_read(bus, addr, 2, &phy_id1) || + miiphy_read(bus, addr, 3, &phy_id2)) { + printf("Error reading from the PHY addr=%02x\n", addr); + return -EIO; + } + + if ((phy_id1 != 0x0141) || ((phy_id2 & 0xfff0) != 0x0dd0)) + return -EINVAL; + + return 0; +} + +struct regfix_88e1518 { + u8 reg; + u16 data; +} regfix_88e1518[] = { + { 22, 0x00ff }, + { 17, 0x214b }, + { 16, 0x2144 }, + { 17, 0x0c28 }, + { 16, 0x2146 }, + { 17, 0xb233 }, + { 16, 0x214d }, + { 17, 0xcc0c }, + { 16, 0x2159 }, + { 22, 0x00fb }, + { 7, 0xc00d }, + { 22, 0x0000 }, +}; + +static int setup_88e1518(const char *bus, unsigned char addr) +{ + unsigned int k; + + for (k = 0; k < ARRAY_SIZE(regfix_88e1518); ++k) { + if (miiphy_write(bus, addr, + regfix_88e1518[k].reg, + regfix_88e1518[k].data)) { + printf("Error writing to the PHY addr=%02x\n", addr); + return -1; + } + } + + return 0; } |