diff options
Diffstat (limited to 'board/amcc/canyonlands/canyonlands.c')
| -rw-r--r-- | board/amcc/canyonlands/canyonlands.c | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/board/amcc/canyonlands/canyonlands.c b/board/amcc/canyonlands/canyonlands.c index e9186f8..2b74689 100644 --- a/board/amcc/canyonlands/canyonlands.c +++ b/board/amcc/canyonlands/canyonlands.c @@ -38,11 +38,52 @@ DECLARE_GLOBAL_DATA_PTR; #define BOARD_CANYONLANDS_PCIE 1 #define BOARD_CANYONLANDS_SATA 2 #define BOARD_GLACIER 3 +#define BOARD_ARCHES 4 + +#if defined(CONFIG_ARCHES) +/* + * FPGA read/write helper macros + */ +static inline int board_fpga_read(int offset) +{ + int data; + + data = in_8((void *)(CONFIG_SYS_FPGA_BASE + offset)); + + return data; +} + +static inline void board_fpga_write(int offset, int data) +{ + out_8((void *)(CONFIG_SYS_FPGA_BASE + offset), data); +} + +/* + * CPLD read/write helper macros + */ +static inline int board_cpld_read(int offset) +{ + int data; + + out_8((void *)(CONFIG_SYS_CPLD_ADDR), offset); + data = in_8((void *)(CONFIG_SYS_CPLD_DATA)); + + return data; +} + +static inline void board_cpld_write(int offset, int data) +{ + out_8((void *)(CONFIG_SYS_CPLD_ADDR), offset); + out_8((void *)(CONFIG_SYS_CPLD_DATA), data); +} +#endif /* defined(CONFIG_ARCHES) */ int board_early_init_f(void) { +#if !defined(CONFIG_ARCHES) u32 sdr0_cust0; u32 pvr = get_pvr(); +#endif /* * Setup the interrupt controller polarities, triggers, etc. @@ -79,6 +120,7 @@ int board_early_init_f(void) mtdcr(uic3vr, 0x00000000); /* int31 highest, base=0x000 */ mtdcr(uic3sr, 0xffffffff); /* clear all */ +#if !defined(CONFIG_ARCHES) /* SDR Setting - enable NDFC */ mfsdr(SDR0_CUST0, sdr0_cust0); sdr0_cust0 = SDR0_CUST0_MUX_NDFC_SEL | @@ -88,6 +130,7 @@ int board_early_init_f(void) SDR0_CUST0_NDFC_BAC_ENCODE(3) | (0x80000000 >> (28 + CONFIG_SYS_NAND_CS)); mtsdr(SDR0_CUST0, sdr0_cust0); +#endif /* * Configure PFC (Pin Function Control) registers @@ -98,6 +141,7 @@ int board_early_init_f(void) /* Enable PCI host functionality in SDR0_PCI0 */ mtsdr(SDR0_PCI0, 0xe0000000); +#if !defined(CONFIG_ARCHES) /* Enable ethernet and take out of reset */ out_8((void *)CONFIG_SYS_BCSR_BASE + 6, 0); @@ -123,10 +167,12 @@ int board_early_init_f(void) gpio_config(16, GPIO_OUT, GPIO_ALT1, GPIO_OUT_1); gpio_config(19, GPIO_OUT, GPIO_ALT1, GPIO_OUT_1); } +#endif return 0; } +#if !defined(CONFIG_ARCHES) static void canyonlands_sata_init(int board_type) { u32 reg; @@ -147,7 +193,26 @@ static void canyonlands_sata_init(int board_type) SDR_WRITE(SDR0_SRST1, 0x00000000); } } +#endif /* !defined(CONFIG_ARCHES) */ + +int get_cpu_num(void) +{ + int cpu = NA_OR_UNKNOWN_CPU; + +#if defined(CONFIG_ARCHES) + int cpu_num; + + cpu_num = board_fpga_read(0x3); + + /* sanity check; assume cpu numbering starts and increments from 0 */ + if ((cpu_num >= 0) && (cpu_num < CONFIG_BD_NUM_CPUS)) + cpu = cpu_num; +#endif + + return cpu; +} +#if !defined(CONFIG_ARCHES) int checkboard(void) { char *s = getenv("serial#"); @@ -188,6 +253,39 @@ int checkboard(void) return (0); } +#else /* defined(CONFIG_ARCHES) */ + +int checkboard(void) +{ + char *s = getenv("serial#"); + + printf("Board: Arches - AMCC DUAL PPC460GT Reference Design\n"); + printf(" Revision %02x.%02x ", + board_fpga_read(0x0), board_fpga_read(0x1)); + + gd->board_type = BOARD_ARCHES; + + /* Only CPU0 has access to CPLD registers */ + if (get_cpu_num() == 0) { + u8 cfg_sw = board_cpld_read(0x1); + printf("(FPGA=%02x, CPLD=%02x)\n", + board_fpga_read(0x2), board_cpld_read(0x0)); + printf(" Configuration Switch %d%d%d%d\n", + ((cfg_sw >> 3) & 0x01), + ((cfg_sw >> 2) & 0x01), + ((cfg_sw >> 1) & 0x01), + ((cfg_sw >> 0) & 0x01)); + } else + printf("(FPGA=%02x, CPLD=xx)\n", board_fpga_read(0x2)); + + + if (s != NULL) + printf(" Serial# %s\n", s); + + return 0; +} +#endif /* !defined(CONFIG_ARCHES) */ + /* * Override the default functions in cpu/ppc4xx/44x_spd_ddr2.c with * board specific values. @@ -389,6 +487,7 @@ int board_early_init_r (void) return 0; } +#if !defined(CONFIG_ARCHES) int misc_init_r(void) { u32 sdr0_srst1 = 0; @@ -434,6 +533,47 @@ int misc_init_r(void) return 0; } +#else /* defined(CONFIG_ARCHES) */ + +int misc_init_r(void) +{ + u32 eth_cfg = 0; + u32 eth_pll; + u32 reg; + + /* + * Set EMAC mode/configuration (GMII, SGMII, RGMII...). + * This is board specific, so let's do it here. + */ + + /* enable SGMII mode */ + eth_cfg |= (SDR0_ETH_CFG_SGMII0_ENABLE | + SDR0_ETH_CFG_SGMII1_ENABLE | + SDR0_ETH_CFG_SGMII2_ENABLE); + + /* Set EMAC for MDIO */ + eth_cfg |= SDR0_ETH_CFG_MDIO_SEL_EMAC0; + + /* bypass the TAHOE0/TAHOE1 cores for U-Boot */ + eth_cfg |= (SDR0_ETH_CFG_TAHOE0_BYPASS | SDR0_ETH_CFG_TAHOE1_BYPASS); + + mtsdr(SDR0_ETH_CFG, eth_cfg); + + /* reset all SGMII interfaces */ + mfsdr(SDR0_SRST1, reg); + reg |= (SDR0_SRST1_SGMII0 | SDR0_SRST1_SGMII1 | SDR0_SRST1_SGMII2); + mtsdr(SDR0_SRST1, reg); + mtsdr(SDR0_ETH_STS, 0xFFFFFFFF); + mtsdr(SDR0_SRST1, 0x00000000); + + do { + mfsdr(SDR0_ETH_PLL, eth_pll); + } while (!(eth_pll & SDR0_ETH_PLL_PLLLOCK)); + + return 0; +} +#endif /* !defined(CONFIG_ARCHES) */ + #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) void ft_board_setup(void *blob, bd_t *bd) { |