diff options
author | Wolfgang Denk <wd@denx.de> | 2012-07-08 19:26:33 +0200 |
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committer | Wolfgang Denk <wd@denx.de> | 2012-07-08 19:26:33 +0200 |
commit | 50cd93b25033764dcda9bb47aa68be778f94d36e (patch) | |
tree | b8606a377b805952d533300dfa1e98e42951678e /arch/arm/cpu/armv7/omap5/hwinit.c | |
parent | 8246ff864de38935ff34108856a37a2caf6cbefc (diff) | |
parent | d702b0811df53a1fc2d8049e35431e4591d093c6 (diff) | |
download | u-boot-50cd93b25033764dcda9bb47aa68be778f94d36e.tar.gz |
Merge branch 'master' of git://git.denx.de/u-boot-arm
* 'master' of git://git.denx.de/u-boot-arm: (212 commits)
ARM: cache: Move the cp15 CR register read before flushing the cache.
ARM: introduce arch_early_init_r()
PXA: Enable CONFIG_PREBOOT on zipitz2
ARM: mx28: Remove CONFIG_ARCH_CPU_INIT
No need to define CONFIG_ARCH_CPU_INIT.
add new board vl_ma2sc
MTD: SPEAr SMI: Add write support for length < 4 bytes
i2c: designware_i2c.c: Add support for the "i2c probe" command
rtc/m41t62: Add support for M41T82 with HT (Halt Update)
SPL: ARM: spear: Add SPL support for SPEAr600 platform
Makefile: Add u-boot.spr build target (SPEAr)
SPL: ARM: spear: Remove some objects from SPL build
SPL: lib/Makefile: Add crc32.c to SPL build
SPL: common/Makefile: Add image.c to SPL build
arm: Don't use printf() in SPL builds
GPIO: Add SPEAr GPIO driver
net: Multiple updates/enhancements to designware.c
cleanup/SPEAr: Define configuration flags more elegantly
cleanup/SPEAr: Remove unnecessary parenthesis
SPEAr: Correct SoC ID offset in misc configuration space
SPEAr: explicitly select clk src for UART
SPEAr: Remove CONFIG_MTD_NAND_VERIFY_WRITE to speed up NAND access
SPEAr: Enable ONFI nand flash detection for spear3xx and 6xx and evb
SPEAr: Enable CONFIG_SYS_FLASH_EMPTY_INFO macro
SPEAr: Correct the definition of CONFIG_SYS_MONITOR_BASE
SPEAr: Enable CONFIG_SYS_FLASH_PROTECTION
SPEAr: Enable dcache for fast file transfer
SPEAr: Enable autoneg for ethernet
SPEAr: Enable udc and usb-console support only for usbtty configuration
SPEAr: Enable usb device high speed support
SPEAr: Initialize SNOR in early_board_init_f
SPEAr: Change the default environment variables
SPEAr: Remove unused flag (CONFIG_SYS_HZ_CLOCK)
SPEAr: Add configuration options for spear3xx and spear6xx boards
SPEAr: Add basic arch related support for SPEAr SoCs
SPEAr: Add interface information in initialization
SPEAr: Add macb driver support for spear310 and spear320
SPEAr: Configure network support for spear SoCs
SPEAr: Place ethaddr write and read within CONFIG_CMD_NET
SPEAr: Eliminate dependency on Xloader table
SPEAr: Fix ARM relocation support
st_smi: Fixed page size for Winbond W25Q128FV flash
st_smi: Change timeout loop implementation
st_smi: Fix bug in flash_print_info()
st_smi: Change the flash probing method
st_smi: Removed no needed dependency on ST_M25Pxx_ID
st_smi: Fix smi read status
st_smi: Move status register read before modifying ctrl register
st_smi: Read status until timeout happens
st_smi: Enhance the error handling
st_smi: Change SMI timeout values
st_smi: Return error in case TFF is not set
st_smi: Add support for SPEAr SMI driver
mtd/NAND: Remove obsolete SPEAr specific NAND drivers
SPEAr: Configure FSMC driver for NAND interface
mtd/NAND: Add FSMC driver support
arm/km: remove calls to kw_gpio_* in board_early_init_f
arm/km: add implementation for read_dip_switch
arm/km: support the 2 PCIe fpga resets
arm/km: skip FPGA config when already configured
arm/km: redefine piggy 4 reg names to avoid conflicts
arm/km: cleanup km_kirkwood boards
arm/km: enable BOCO2 FPGA download support
arm/km: remove portl2.h and use km_kirkwood instead
arm/km: convert mgcoge3un target to km_kirkwood
arm/km: add kmcoge5un board support
arm/km: add kmnusa board support
arm: bugfix: save_boot_params_default accesses uninitalized stack when -O0
cm-t35: fix incorrect NAND_ECC layout selection
ARM: OMAP4/5: Do not configure non essential pads, clocks, dplls.
ARM: OMAP4/5: Move USB pads to essential list.
ARM: OMAP4/5: Move USB clocks to essential group.
ARM: OMAP4/5: Move gpmc clocks to essential group.
ARM: OMAP4+: Move external phy initialisations to arch specific place.
omap4: Use a smaller M,N couple for IVA DPLL
da850/omap-l138: Enable auto negotiation in RMII mode
omap: am33xx: accomodate input clocks other than 24 Mhz
omap: emif: fix bug in manufacturer code test
omap: emif: deal with rams that return duplicate mr data on all byte lanes
OMAP4+: Force DDR in self-refresh after warm reset
OMAP4+: Handle sdram init after warm reset
ARM: OMAP3+: Detect reset type
arm: bugfix: Move vector table before jumping relocated code
Kirkwood: Add support for Ka-Ro TK71
arm/km: use spi claim bus to switch between SPI and NAND
arm/kirkwood: protect the ENV_SPI #defines
ARM: don't probe PHY address for LaCie boards
lacie_kw: fix CONFIG_SYS_KWD_CONFIG for inetspace_v2
lacie_kw: fix SDRAM banks number for net2big_v2
Kirkwood: add lschlv2 and lsxhl board support
net: add helper to generate random mac address
net: use common rand()/srand() functions
lib: add rand() function
kwboot: boot kirkwood SoCs over a serial link
kw_spi: add weak functions board_spi_claim/release_bus
kw_spi: support spi_claim/release_bus functions
kw_spi: backup and reset the MPP of the chosen CS pin
kirkwood: fix calls to kirkwood_mpp_conf
kirkwood: add save functionality kirkwood_mpp_conf function
km_arm: use filesize for erase in update command
arm/km: enable mii cmd
arm/km: remove CONFIG_RESET_PHY_R
arm/km: change maintainer for mgcoge3un
arm/km: fix wrong comment in SDRAM config for mgcoge3un
arm/km: use ARRAY_SIZE macro
arm/km: rename CONFIG option CONFIG_KM_DEF_ENV_UPDATE
arm/km: add piggy mac adress offset for mgcoge3un
arm/km: add board type to boards.cfg
AT91SAM9*: Change kernel address in dataflash to match u-boot's size
ATMEL/PIO: Enable new feature of PIO on Atmel device
ehci-atmel: fix compiler warning
AT91: at91sam9m10g45ek : Enable EHCI instead OHCI
Atmel : usb : add EHCI driver for Atmel SoC
Fix: AT91SAM9263 nor flash usage
Fix: broken boot message at serial line on AT91SAM9263-EK board
i.MX6 USDHC: Use the ESDHC clock
mx28evk: Fix boot by adjusting HW_DRAM_CTL29 register
i.MX28: Add function to adjust memory parameters
mx28evk: Fix PSWITCH key position
mx53smd: Remove CONFIG_SYS_I2C_SLAVE definition
mx53loco: Remove CONFIG_SYS_I2C_SLAVE definition
mx53evk: Remove CONFIG_SYS_I2C_SLAVE definition
mx53ard: Remove CONFIG_SYS_I2C_SLAVE definition
mx35pdk: Remove CONFIG_SYS_I2C_SLAVE definition
imx31_phycore: Remove CONFIG_SYS_I2C_SLAVE definition
mx53ard: Remove unused CONFIG_MII_GASKET
mx6: Avoid writing to read-only bits in imximage.cfg
m28evk: use same notation to alloc the 128kB stack
...
Signed-off-by: Wolfgang Denk <wd@denx.de>
Diffstat (limited to 'arch/arm/cpu/armv7/omap5/hwinit.c')
-rw-r--r-- | arch/arm/cpu/armv7/omap5/hwinit.c | 123 |
1 files changed, 103 insertions, 20 deletions
diff --git a/arch/arm/cpu/armv7/omap5/hwinit.c b/arch/arm/cpu/armv7/omap5/hwinit.c index d01cc81333..d0c3ff7021 100644 --- a/arch/arm/cpu/armv7/omap5/hwinit.c +++ b/arch/arm/cpu/armv7/omap5/hwinit.c @@ -35,6 +35,7 @@ #include <asm/sizes.h> #include <asm/utils.h> #include <asm/arch/gpio.h> +#include <asm/emif.h> DECLARE_GLOBAL_DATA_PTR; @@ -52,6 +53,81 @@ static struct gpio_bank gpio_bank_54xx[6] = { const struct gpio_bank *const omap_gpio_bank = gpio_bank_54xx; #ifdef CONFIG_SPL_BUILD +/* LPDDR2 specific IO settings */ +static void io_settings_lpddr2(void) +{ + struct omap_sys_ctrl_regs *ioregs_base = + (struct omap_sys_ctrl_regs *) SYSCTRL_GENERAL_CORE_BASE; + + writel(DDR_IO_I_34OHM_SR_FASTEST_WD_DQ_NO_PULL_DQS_PULL_DOWN, + &(ioregs_base->control_ddrch1_0)); + writel(DDR_IO_I_34OHM_SR_FASTEST_WD_DQ_NO_PULL_DQS_PULL_DOWN, + &(ioregs_base->control_ddrch1_1)); + writel(DDR_IO_I_34OHM_SR_FASTEST_WD_DQ_NO_PULL_DQS_PULL_DOWN, + &(ioregs_base->control_ddrch2_0)); + writel(DDR_IO_I_34OHM_SR_FASTEST_WD_DQ_NO_PULL_DQS_PULL_DOWN, + &(ioregs_base->control_ddrch2_1)); + writel(DDR_IO_I_34OHM_SR_FASTEST_WD_CK_CKE_NCS_CA_PULL_DOWN, + &(ioregs_base->control_lpddr2ch1_0)); + writel(DDR_IO_I_34OHM_SR_FASTEST_WD_CK_CKE_NCS_CA_PULL_DOWN, + &(ioregs_base->control_lpddr2ch1_1)); + writel(DDR_IO_0_DDR2_DQ_INT_EN_ALL_DDR3_CA_DIS_ALL, + &(ioregs_base->control_ddrio_0)); + writel(DDR_IO_1_DQ_OUT_EN_ALL_DQ_INT_EN_ALL, + &(ioregs_base->control_ddrio_1)); + writel(DDR_IO_2_CA_OUT_EN_ALL_CA_INT_EN_ALL, + &(ioregs_base->control_ddrio_2)); +} + +/* DDR3 specific IO settings */ +static void io_settings_ddr3(void) +{ + u32 io_settings = 0; + struct omap_sys_ctrl_regs *ioregs_base = + (struct omap_sys_ctrl_regs *) SYSCTRL_GENERAL_CORE_BASE; + + writel(DDR_IO_I_40OHM_SR_SLOWEST_WD_DQ_NO_PULL_DQS_NO_PULL, + &(ioregs_base->control_ddr3ch1_0)); + writel(DDR_IO_I_40OHM_SR_FAST_WD_DQ_NO_PULL_DQS_NO_PULL, + &(ioregs_base->control_ddrch1_0)); + writel(DDR_IO_I_40OHM_SR_FAST_WD_DQ_NO_PULL_DQS_NO_PULL, + &(ioregs_base->control_ddrch1_1)); + + writel(DDR_IO_I_40OHM_SR_SLOWEST_WD_DQ_NO_PULL_DQS_NO_PULL, + &(ioregs_base->control_ddr3ch2_0)); + writel(DDR_IO_I_40OHM_SR_FAST_WD_DQ_NO_PULL_DQS_NO_PULL, + &(ioregs_base->control_ddrch2_0)); + writel(DDR_IO_I_40OHM_SR_FAST_WD_DQ_NO_PULL_DQS_NO_PULL, + &(ioregs_base->control_ddrch2_1)); + + writel(DDR_IO_0_VREF_CELLS_DDR3_VALUE, + &(ioregs_base->control_ddrio_0)); + writel(DDR_IO_1_VREF_CELLS_DDR3_VALUE, + &(ioregs_base->control_ddrio_1)); + writel(DDR_IO_2_VREF_CELLS_DDR3_VALUE, + &(ioregs_base->control_ddrio_2)); + + /* omap5432 does not use lpddr2 */ + writel(0x0, &(ioregs_base->control_lpddr2ch1_0)); + writel(0x0, &(ioregs_base->control_lpddr2ch1_1)); + + writel(SDRAM_CONFIG_EXT_RD_LVL_11_SAMPLES, + &(ioregs_base->control_emif1_sdram_config_ext)); + writel(SDRAM_CONFIG_EXT_RD_LVL_11_SAMPLES, + &(ioregs_base->control_emif2_sdram_config_ext)); + + /* Disable DLL select */ + io_settings = (readl(&(ioregs_base->control_port_emif1_sdram_config)) + & 0xFFEFFFFF); + writel(io_settings, + &(ioregs_base->control_port_emif1_sdram_config)); + + io_settings = (readl(&(ioregs_base->control_port_emif2_sdram_config)) + & 0xFFEFFFFF); + writel(io_settings, + &(ioregs_base->control_port_emif2_sdram_config)); +} + /* * Some tuning of IOs for optimal power and performance */ @@ -115,25 +191,10 @@ void do_io_settings(void) (sc_fast << 17) | (sc_fast << 14); writel(io_settings, &(ioregs_base->control_smart3io_padconf_1)); - /* LPDDR2 io settings */ - writel(DDR_IO_I_34OHM_SR_FASTEST_WD_DQ_NO_PULL_DQS_PULL_DOWN, - &(ioregs_base->control_ddrch1_0)); - writel(DDR_IO_I_34OHM_SR_FASTEST_WD_DQ_NO_PULL_DQS_PULL_DOWN, - &(ioregs_base->control_ddrch1_1)); - writel(DDR_IO_I_34OHM_SR_FASTEST_WD_DQ_NO_PULL_DQS_PULL_DOWN, - &(ioregs_base->control_ddrch2_0)); - writel(DDR_IO_I_34OHM_SR_FASTEST_WD_DQ_NO_PULL_DQS_PULL_DOWN, - &(ioregs_base->control_ddrch2_1)); - writel(DDR_IO_I_34OHM_SR_FASTEST_WD_CK_CKE_NCS_CA_PULL_DOWN, - &(ioregs_base->control_lpddr2ch1_0)); - writel(DDR_IO_I_34OHM_SR_FASTEST_WD_CK_CKE_NCS_CA_PULL_DOWN, - &(ioregs_base->control_lpddr2ch1_1)); - writel(DDR_IO_0_DDR2_DQ_INT_EN_ALL_DDR3_CA_DIS_ALL, - &(ioregs_base->control_ddrio_0)); - writel(DDR_IO_1_DQ_OUT_EN_ALL_DQ_INT_EN_ALL, - &(ioregs_base->control_ddrio_1)); - writel(DDR_IO_2_CA_OUT_EN_ALL_CA_INT_EN_ALL, - &(ioregs_base->control_ddrio_2)); + if (omap_revision() <= OMAP5430_ES1_0) + io_settings_lpddr2(); + else + io_settings_ddr3(); /* Efuse settings */ writel(EFUSE_1, &(ioregs_base->control_efuse_1)); @@ -143,6 +204,20 @@ void do_io_settings(void) } #endif +void config_data_eye_leveling_samples(u32 emif_base) +{ + struct omap_sys_ctrl_regs *ioregs_base = + (struct omap_sys_ctrl_regs *) SYSCTRL_GENERAL_CORE_BASE; + + /*EMIF_SDRAM_CONFIG_EXT-Read data eye leveling no of samples =4*/ + if (emif_base == EMIF1_BASE) + writel(SDRAM_CONFIG_EXT_RD_LVL_4_SAMPLES, + &(ioregs_base->control_emif1_sdram_config_ext)); + else if (emif_base == EMIF2_BASE) + writel(SDRAM_CONFIG_EXT_RD_LVL_4_SAMPLES, + &(ioregs_base->control_emif2_sdram_config_ext)); +} + void init_omap_revision(void) { /* @@ -154,7 +229,15 @@ void init_omap_revision(void) switch (rev) { case MIDR_CORTEX_A15_R0P0: - *omap_si_rev = OMAP5430_ES1_0; + switch (readl(CONTROL_ID_CODE)) { + case OMAP5430_CONTROL_ID_CODE_ES1_0: + *omap_si_rev = OMAP5430_ES1_0; + break; + case OMAP5432_CONTROL_ID_CODE_ES1_0: + default: + *omap_si_rev = OMAP5432_ES1_0; + break; + } break; default: *omap_si_rev = OMAP5430_SILICON_ID_INVALID; |