diff options
Diffstat (limited to 'src/soc/amd/stoneyridge')
| -rw-r--r-- | src/soc/amd/stoneyridge/include/soc/southbridge.h | 37 | ||||
| -rw-r--r-- | src/soc/amd/stoneyridge/southbridge.c | 35 |
2 files changed, 3 insertions, 69 deletions
diff --git a/src/soc/amd/stoneyridge/include/soc/southbridge.h b/src/soc/amd/stoneyridge/include/soc/southbridge.h index 74e949809d..27737514ce 100644 --- a/src/soc/amd/stoneyridge/include/soc/southbridge.h +++ b/src/soc/amd/stoneyridge/include/soc/southbridge.h @@ -142,41 +142,6 @@ #define SATA_CAPABILITIES_REG 0xfc #define SATA_CAPABILITY_SPM BIT(12) -#define SPI_CNTRL0 0x00 -#define SPI_BUSY BIT(31) -#define SPI_READ_MODE_MASK (BIT(30) | BIT(29) | BIT(18)) -/* Nominal is 16.7MHz on older devices, 33MHz on newer */ -#define SPI_READ_MODE_NOM 0x00000000 -#define SPI_READ_MODE_DUAL112 ( BIT(29) ) -#define SPI_READ_MODE_QUAD114 ( BIT(29) | BIT(18)) -#define SPI_READ_MODE_DUAL122 (BIT(30) ) -#define SPI_READ_MODE_QUAD144 (BIT(30) | BIT(18)) -#define SPI_READ_MODE_NORMAL66 (BIT(30) | BIT(29) ) -#define SPI_READ_MODE_FAST (BIT(30) | BIT(29) | BIT(18)) -#define SPI_ACCESS_MAC_ROM_EN BIT(22) -#define SPI_FIFO_PTR_CLR BIT(20) -#define SPI_ARB_ENABLE BIT(19) -#define EXEC_OPCODE BIT(16) - -#define SPI100_ENABLE 0x20 -#define SPI_USE_SPI100 BIT(0) - -/* Use SPI_SPEED_16M-SPI_SPEED_66M below for the southbridge */ -#define SPI100_SPEED_CONFIG 0x22 -#define SPI_SPEED_66M (0x0) -#define SPI_SPEED_33M ( BIT(0)) -#define SPI_SPEED_22M ( BIT(1) ) -#define SPI_SPEED_16M ( BIT(1) | BIT(0)) -#define SPI_SPEED_100M (BIT(2) ) -#define SPI_SPEED_800K (BIT(2) | BIT(0)) -#define SPI_NORM_SPEED_NEW_SH 12 -#define SPI_FAST_SPEED_NEW_SH 8 -#define SPI_ALT_SPEED_NEW_SH 4 -#define SPI_TPM_SPEED_NEW_SH 0 - -#define SPI100_HOST_PREF_CONFIG 0x2c -#define SPI_RD4DW_EN_HOST BIT(15) - /* Platform Security Processor D8F0 */ void soc_enable_psp_early(void); @@ -219,8 +184,6 @@ void fch_final(void *chip_info); void enable_aoac_devices(void); void fch_clk_output_48Mhz(u32 osc); -void sb_read_mode(u32 mode); -void sb_set_spi100(u16 norm, u16 fast, u16 alt, u16 tpm); /* * Call the mainboard to get the USB Over Current Map. The mainboard diff --git a/src/soc/amd/stoneyridge/southbridge.c b/src/soc/amd/stoneyridge/southbridge.c index 3b2cba6352..2ffbc92e01 100644 --- a/src/soc/amd/stoneyridge/southbridge.c +++ b/src/soc/amd/stoneyridge/southbridge.c @@ -227,35 +227,6 @@ void fch_clk_output_48Mhz(u32 osc) misc_write32(MISC_CLK_CNTL1, ctrl); } -static void sb_init_spi_base(void) -{ - /* Make sure the base address is predictable */ - lpc_set_spibase(SPI_BASE_ADDRESS); - lpc_enable_spi_rom(SPI_ROM_ENABLE); -} - -void sb_set_spi100(u16 norm, u16 fast, u16 alt, u16 tpm) -{ - spi_write16(SPI100_SPEED_CONFIG, - (norm << SPI_NORM_SPEED_NEW_SH) | - (fast << SPI_FAST_SPEED_NEW_SH) | - (alt << SPI_ALT_SPEED_NEW_SH) | - (tpm << SPI_TPM_SPEED_NEW_SH)); - spi_write16(SPI100_ENABLE, SPI_USE_SPI100 | spi_read16(SPI100_ENABLE)); -} - -static void sb_disable_4dw_burst(void) -{ - spi_write16(SPI100_HOST_PREF_CONFIG, - spi_read16(SPI100_HOST_PREF_CONFIG) & ~SPI_RD4DW_EN_HOST); -} - -void sb_read_mode(u32 mode) -{ - spi_write32(SPI_CNTRL0, - (spi_read32(SPI_CNTRL0) & ~SPI_READ_MODE_MASK) | mode); -} - static void setup_spread_spectrum(int *reboot) { uint16_t rstcfg = pm_read16(PWR_RESET_CFG); @@ -334,9 +305,9 @@ void bootblock_fch_early_init(void) sb_enable_lpc(); lpc_enable_port80(); sb_lpc_decode(); - lpc_enable_spi_prefetch(); - sb_init_spi_base(); - sb_disable_4dw_burst(); /* Must be disabled on CZ(ST) */ + /* Make sure the base address is predictable */ + lpc_set_spibase(SPI_BASE_ADDRESS); + fch_spi_early_init(); fch_smbus_init(); fch_enable_cf9_io(); setup_spread_spectrum(&reboot); |