This patch adds code for clock initialization and clock settings of various IP's and controllers, required for Exynos5420

Signed-off-by: Rajeshwari S Shinde rajeshwari.s@samsung.com Signed-off-by: Akshay Saraswat akshay.s@samsung.com Acked-by: Simon Glass sjg@chromium.org --- Changes in V2: - None Changes in V3: - None Changes in V4: - Corrected the multiline commenting style Changes in V5: - None arch/arm/cpu/armv7/exynos/clock.c | 270 ++++++++- arch/arm/cpu/armv7/exynos/clock_init.h | 17 + arch/arm/cpu/armv7/exynos/clock_init_exynos5.c | 352 +++++++++++- arch/arm/cpu/armv7/exynos/exynos5_setup.h | 740 +++++++++++++++++++------ arch/arm/include/asm/arch-exynos/clk.h | 1 + arch/arm/include/asm/arch-exynos/clock.h | 494 +++++++++++++++++ 6 files changed, 1673 insertions(+), 201 deletions(-)

diff --git a/arch/arm/cpu/armv7/exynos/clock.c b/arch/arm/cpu/armv7/exynos/clock.c index 0cb1a61..bc06995 100644 --- a/arch/arm/cpu/armv7/exynos/clock.c +++ b/arch/arm/cpu/armv7/exynos/clock.c @@ -96,7 +96,7 @@ static int exynos_get_pll_clk(int pllreg, unsigned int r, unsigned int k)

freq = CONFIG_SYS_CLK_FREQ;

- if (pllreg == EPLL) { + if (pllreg == EPLL || pllreg == RPLL) { k = k & 0xffff; /* FOUT = (MDIV + K / 65536) * FIN / (PDIV * 2^SDIV) */ fout = (m + k / PLL_DIV_65536) * (freq / (p * (1 << s))); @@ -117,7 +117,7 @@ static int exynos_get_pll_clk(int pllreg, unsigned int r, unsigned int k) div = PLL_DIV_1024; else if (proid_is_exynos4412()) div = PLL_DIV_65535; - else if (proid_is_exynos5250()) + else if (cpu_is_exynos5()) div = PLL_DIV_65536; else return 0; @@ -359,6 +359,43 @@ unsigned long clock_get_periph_rate(int peripheral) return 0; }

+/* exynos5420: return pll clock frequency */ +static unsigned long exynos5420_get_pll_clk(int pllreg) +{ + struct exynos5420_clock *clk = + (struct exynos5420_clock *)samsung_get_base_clock(); + unsigned long r, k = 0; + + switch (pllreg) { + case APLL: + r = readl(&clk->apll_con0); + break; + case MPLL: + r = readl(&clk->mpll_con0); + break; + case EPLL: + r = readl(&clk->epll_con0); + k = readl(&clk->epll_con1); + break; + case VPLL: + r = readl(&clk->vpll_con0); + k = readl(&clk->vpll_con1); + break; + case BPLL: + r = readl(&clk->bpll_con0); + break; + case RPLL: + r = readl(&clk->rpll_con0); + k = readl(&clk->rpll_con1); + break; + default: + printf("Unsupported PLL (%d)\n", pllreg); + return 0; + } + + return exynos_get_pll_clk(pllreg, r, k); +} + /* exynos4: return ARM clock frequency */ static unsigned long exynos4_get_arm_clk(void) { @@ -482,6 +519,27 @@ static unsigned long exynos4x12_get_pwm_clk(void) return pclk; }

+/* exynos5420: return pwm clock frequency */ +static unsigned long exynos5420_get_pwm_clk(void) +{ + struct exynos5420_clock *clk = + (struct exynos5420_clock *)samsung_get_base_clock(); + unsigned long pclk, sclk; + unsigned int ratio; + + /* + * CLK_DIV_PERIC3 + * PWM_RATIO [3:0] + */ + ratio = readl(&clk->div_peric0); + ratio = (ratio >> 28) & 0xf; + sclk = get_pll_clk(MPLL); + + pclk = sclk / (ratio + 1); + + return pclk; +} + /* exynos4: return uart clock frequency */ static unsigned long exynos4_get_uart_clk(int dev_index) { @@ -621,6 +679,53 @@ static unsigned long exynos5_get_uart_clk(int dev_index) return uclk; }

+/* exynos5420: return uart clock frequency */ +static unsigned long exynos5420_get_uart_clk(int dev_index) +{ + struct exynos5420_clock *clk = + (struct exynos5420_clock *)samsung_get_base_clock(); + unsigned long uclk, sclk; + unsigned int sel; + unsigned int ratio; + + /* + * CLK_SRC_PERIC0 + * UART0_SEL [3:0] + * UART1_SEL [7:4] + * UART2_SEL [8:11] + * UART3_SEL [12:15] + * UART4_SEL [16:19] + * UART5_SEL [23:20] + */ + sel = readl(&clk->src_peric0); + sel = (sel >> ((dev_index * 4) + 4)) & 0x7; + + if (sel == 0x3) + sclk = get_pll_clk(MPLL); + else if (sel == 0x6) + sclk = get_pll_clk(EPLL); + else if (sel == 0x7) + sclk = get_pll_clk(RPLL); + else + return 0; + + /* + * CLK_DIV_PERIC0 + * UART0_RATIO [3:0] + * UART1_RATIO [7:4] + * UART2_RATIO [8:11] + * UART3_RATIO [12:15] + * UART4_RATIO [16:19] + * UART5_RATIO [23:20] + */ + ratio = readl(&clk->div_peric0); + ratio = (ratio >> ((dev_index * 4) + 8)) & 0xf; + + uclk = sclk / (ratio + 1); + + return uclk; +} + static unsigned long exynos4_get_mmc_clk(int dev_index) { struct exynos4_clock *clk = @@ -715,6 +820,34 @@ static unsigned long exynos5_get_mmc_clk(int dev_index) return uclk; }

+static unsigned long exynos5420_get_mmc_clk(int dev_index) +{ + struct exynos5420_clock *clk = + (struct exynos5420_clock *)samsung_get_base_clock(); + unsigned long uclk, sclk; + unsigned int sel, ratio; + int shift = 0; + + sel = readl(&clk->src_fsys); + sel = (sel >> ((dev_index * 4) + 8)) & 0x7; + + if (sel == 0x3) + sclk = get_pll_clk(MPLL); + else if (sel == 0x6) + sclk = get_pll_clk(EPLL); + else + return 0; + + ratio = readl(&clk->div_fsys1); + + shift = dev_index * 10; + + ratio = (ratio >> shift) & 0x3ff; + uclk = (sclk / (ratio + 1)); + + return uclk; +} + /* exynos4: set the mmc clock */ static void exynos4_set_mmc_clk(int dev_index, unsigned int div) { @@ -801,6 +934,23 @@ static void exynos5_set_mmc_clk(int dev_index, unsigned int div) writel(val, addr); }

+/* exynos5: set the mmc clock */ +static void exynos5420_set_mmc_clk(int dev_index, unsigned int div) +{ + struct exynos5420_clock *clk = + (struct exynos5420_clock *)samsung_get_base_clock(); + unsigned int addr; + unsigned int val, shift; + + addr = (unsigned int)&clk->div_fsys1; + shift = dev_index * 10; + + val = readl(addr); + val &= ~(0x3ff << shift); + val |= (div & 0x3ff) << shift; + writel(val, addr); +} + /* get_lcd_clk: return lcd clock frequency */ static unsigned long exynos4_get_lcd_clk(void) { @@ -1295,6 +1445,84 @@ static int exynos5_set_spi_clk(enum periph_id periph_id, return 0; }

+static int exynos5420_set_spi_clk(enum periph_id periph_id, + unsigned int rate) +{ + struct exynos5420_clock *clk = + (struct exynos5420_clock *)samsung_get_base_clock(); + int main; + unsigned int fine, val; + unsigned shift, pre_shift; + unsigned div_mask = 0xf, pre_div_mask = 0xff; + + main = clock_calc_best_scalar(4, 8, 400000000, rate, &fine); + if (main < 0) { + debug("%s: Cannot set clock rate for periph %d", + __func__, periph_id); + return -1; + } + main = main - 1; + fine = fine - 1; + + switch (periph_id) { + case PERIPH_ID_SPI0: + val = readl(&clk->div_peric1); + val &= ~(div_mask << 20); + val |= (main << 20); + writel(val, &clk->div_peric1); + + val = readl(&clk->div_peric4); + val &= ~(pre_div_mask << 8); + val |= (fine << 8); + writel(val, &clk->div_peric4); + break; + case PERIPH_ID_SPI1: + val = readl(&clk->div_peric1); + val &= ~(div_mask << 24); + val |= (main << 24); + writel(val, &clk->div_peric1); + + val = readl(&clk->div_peric4); + val &= ~(pre_div_mask << 16); + val |= (fine << 16); + writel(val, &clk->div_peric4); + break; + case PERIPH_ID_SPI2: + val = readl(&clk->div_peric1); + val &= ~(div_mask << 28); + val |= (main << 28); + writel(val, &clk->div_peric1); + + val = readl(&clk->div_peric4); + val &= ~(pre_div_mask << 24); + val |= (fine << 24); + writel(val, &clk->div_peric4); + break; + case PERIPH_ID_SPI3: + shift = 16; + pre_shift = 0; + clrsetbits_le32(&clk->div_isp1, div_mask << shift, + (main & div_mask) << shift); + clrsetbits_le32(&clk->div_isp1, pre_div_mask << pre_shift, + (fine & pre_div_mask) << pre_shift); + break; + case PERIPH_ID_SPI4: + shift = 20; + pre_shift = 8; + clrsetbits_le32(&clk->div_isp1, div_mask << shift, + (main & div_mask) << shift); + clrsetbits_le32(&clk->div_isp1, pre_div_mask << pre_shift, + (fine & pre_div_mask) << pre_shift); + break; + default: + debug("%s: Unsupported peripheral ID %d\n", __func__, + periph_id); + return -1; + } + + return 0; +} + static unsigned long exynos4_get_i2c_clk(void) { struct exynos4_clock *clk = @@ -1312,9 +1540,11 @@ static unsigned long exynos4_get_i2c_clk(void)

unsigned long get_pll_clk(int pllreg) { - if (cpu_is_exynos5()) + if (cpu_is_exynos5()) { + if (proid_is_exynos5420()) + return exynos5420_get_pll_clk(pllreg); return exynos5_get_pll_clk(pllreg); - else { + } else { if (proid_is_exynos4412()) return exynos4x12_get_pll_clk(pllreg); return exynos4_get_pll_clk(pllreg); @@ -1346,9 +1576,11 @@ unsigned long get_i2c_clk(void)

unsigned long get_pwm_clk(void) { - if (cpu_is_exynos5()) + if (cpu_is_exynos5()) { + if (proid_is_exynos5420()) + return exynos5420_get_pwm_clk(); return clock_get_periph_rate(PERIPH_ID_PWM0); - else { + } else { if (proid_is_exynos4412()) return exynos4x12_get_pwm_clk(); return exynos4_get_pwm_clk(); @@ -1357,9 +1589,11 @@ unsigned long get_pwm_clk(void)

unsigned long get_uart_clk(int dev_index) { - if (cpu_is_exynos5()) + if (cpu_is_exynos5()) { + if (proid_is_exynos5420()) + return exynos5420_get_uart_clk(dev_index); return exynos5_get_uart_clk(dev_index); - else { + } else { if (proid_is_exynos4412()) return exynos4x12_get_uart_clk(dev_index); return exynos4_get_uart_clk(dev_index); @@ -1368,17 +1602,22 @@ unsigned long get_uart_clk(int dev_index)

unsigned long get_mmc_clk(int dev_index) { - if (cpu_is_exynos5()) + if (cpu_is_exynos5()) { + if (proid_is_exynos5420()) + return exynos5420_get_mmc_clk(dev_index); return exynos5_get_mmc_clk(dev_index); - else + } else { return exynos4_get_mmc_clk(dev_index); + } }

void set_mmc_clk(int dev_index, unsigned int div) { - if (cpu_is_exynos5()) + if (cpu_is_exynos5()) { + if (proid_is_exynos5420()) + return exynos5420_set_mmc_clk(dev_index, div); exynos5_set_mmc_clk(dev_index, div); - else { + } else { if (proid_is_exynos4412()) exynos4x12_set_mmc_clk(dev_index, div); exynos4_set_mmc_clk(dev_index, div); @@ -1409,10 +1648,13 @@ void set_mipi_clk(void)

int set_spi_clk(int periph_id, unsigned int rate) { - if (cpu_is_exynos5()) + if (cpu_is_exynos5()) { + if (proid_is_exynos5420()) + return exynos5420_set_spi_clk(periph_id, rate); return exynos5_set_spi_clk(periph_id, rate); - else + } else { return 0; + } }

int set_i2s_clk_prescaler(unsigned int src_frq, unsigned int dst_frq) diff --git a/arch/arm/cpu/armv7/exynos/clock_init.h b/arch/arm/cpu/armv7/exynos/clock_init.h index c28ff3a..a875d0b 100644 --- a/arch/arm/cpu/armv7/exynos/clock_init.h +++ b/arch/arm/cpu/armv7/exynos/clock_init.h @@ -10,7 +10,11 @@ #define __EXYNOS_CLOCK_INIT_H

enum { +#ifdef CONFIG_EXYNOS5420 + MEM_TIMINGS_MSR_COUNT = 5, +#else MEM_TIMINGS_MSR_COUNT = 4, +#endif };

/* These are the ratio's for configuring ARM clock */ @@ -59,6 +63,18 @@ struct mem_timings { unsigned bpll_mdiv; unsigned bpll_pdiv; unsigned bpll_sdiv; + unsigned kpll_mdiv; + unsigned kpll_pdiv; + unsigned kpll_sdiv; + unsigned dpll_mdiv; + unsigned dpll_pdiv; + unsigned dpll_sdiv; + unsigned ipll_mdiv; + unsigned ipll_pdiv; + unsigned ipll_sdiv; + unsigned spll_mdiv; + unsigned spll_pdiv; + unsigned spll_sdiv; unsigned pclk_cdrex_ratio; unsigned direct_cmd_msr[MEM_TIMINGS_MSR_COUNT];

@@ -115,6 +131,7 @@ struct mem_timings { uint8_t send_zq_init; /* 1 to send this command */ unsigned impedance; /* drive strength impedeance */ uint8_t gate_leveling_enable; /* check gate leveling is enabled */ + uint8_t read_leveling_enable; /* check h/w read leveling is enabled */ };

/** diff --git a/arch/arm/cpu/armv7/exynos/clock_init_exynos5.c b/arch/arm/cpu/armv7/exynos/clock_init_exynos5.c index a24c2f3..e7f1496 100644 --- a/arch/arm/cpu/armv7/exynos/clock_init_exynos5.c +++ b/arch/arm/cpu/armv7/exynos/clock_init_exynos5.c @@ -24,6 +24,24 @@ DECLARE_GLOBAL_DATA_PTR;

struct arm_clk_ratios arm_clk_ratios[] = { +#ifdef CONFIG_EXYNOS5420 + { + .arm_freq_mhz = 900, + + .apll_mdiv = 0x96, + .apll_pdiv = 0x2, + .apll_sdiv = 0x1, + + .arm2_ratio = 0x0, + .apll_ratio = 0x3, + .pclk_dbg_ratio = 0x6, + .atb_ratio = 0x6, + .periph_ratio = 0x7, + .acp_ratio = 0x0, + .cpud_ratio = 0x2, + .arm_ratio = 0x0, + } +#else { .arm_freq_mhz = 600,

@@ -115,8 +133,133 @@ struct arm_clk_ratios arm_clk_ratios[] = { .cpud_ratio = 0x3, .arm_ratio = 0x0, } +#endif }; + struct mem_timings mem_timings[] = { +#ifdef CONFIG_EXYNOS5420 + { + .mem_manuf = MEM_MANUF_SAMSUNG, + .mem_type = DDR_MODE_DDR3, + .frequency_mhz = 800, + + /* MPLL @800MHz*/ + .mpll_mdiv = 0xc8, + .mpll_pdiv = 0x3, + .mpll_sdiv = 0x1, + /* CPLL @666MHz */ + .cpll_mdiv = 0xde, + .cpll_pdiv = 0x4, + .cpll_sdiv = 0x1, + /* EPLL @600MHz */ + .epll_mdiv = 0x64, + .epll_pdiv = 0x2, + .epll_sdiv = 0x1, + /* VPLL @430MHz */ + .vpll_mdiv = 0xd7, + .vpll_pdiv = 0x3, + .vpll_sdiv = 0x2, + /* BPLL @800MHz */ + .bpll_mdiv = 0xc8, + .bpll_pdiv = 0x3, + .bpll_sdiv = 0x1, + /* KPLL @600MHz */ + .kpll_mdiv = 0x190, + .kpll_pdiv = 0x4, + .kpll_sdiv = 0x2, + /* DPLL @600MHz */ + .dpll_mdiv = 0x190, + .dpll_pdiv = 0x4, + .dpll_sdiv = 0x2, + /* IPLL @370MHz */ + .ipll_mdiv = 0xb9, + .ipll_pdiv = 0x3, + .ipll_sdiv = 0x2, + /* SPLL @400MHz */ + .spll_mdiv = 0xc8, + .spll_pdiv = 0x3, + .spll_sdiv = 0x2, + + .direct_cmd_msr = { + 0x00020018, 0x00030000, 0x00010046, 0x00000d70, + 0x00000c70 + }, + .timing_ref = 0x000000bb, + .timing_row = 0x6836650f, + .timing_data = 0x3630580b, + .timing_power = 0x41000a26, + .phy0_dqs = 0x08080808, + .phy1_dqs = 0x08080808, + .phy0_dq = 0x08080808, + .phy1_dq = 0x08080808, + .phy0_tFS = 0x8, + .phy1_tFS = 0x8, + .phy0_pulld_dqs = 0xf, + .phy1_pulld_dqs = 0xf, + + .lpddr3_ctrl_phy_reset = 0x1, + .ctrl_start_point = 0x10, + .ctrl_inc = 0x10, + .ctrl_start = 0x1, + .ctrl_dll_on = 0x1, + .ctrl_ref = 0x8, + + .ctrl_force = 0x1a, + .ctrl_rdlat = 0x0b, + .ctrl_bstlen = 0x08, + + .fp_resync = 0x8, + .iv_size = 0x7, + .dfi_init_start = 1, + .aref_en = 1, + + .rd_fetch = 0x3, + + .zq_mode_dds = 0x7, + .zq_mode_term = 0x1, + .zq_mode_noterm = 1, + + /* + * Dynamic Clock: Always Running + * Memory Burst length: 8 + * Number of chips: 1 + * Memory Bus width: 32 bit + * Memory Type: DDR3 + * Additional Latancy for PLL: 0 Cycle + */ + .memcontrol = DMC_MEMCONTROL_CLK_STOP_DISABLE | + DMC_MEMCONTROL_DPWRDN_DISABLE | + DMC_MEMCONTROL_DPWRDN_ACTIVE_PRECHARGE | + DMC_MEMCONTROL_TP_DISABLE | + DMC_MEMCONTROL_DSREF_DISABLE | + DMC_MEMCONTROL_ADD_LAT_PALL_CYCLE(0) | + DMC_MEMCONTROL_MEM_TYPE_DDR3 | + DMC_MEMCONTROL_MEM_WIDTH_32BIT | + DMC_MEMCONTROL_NUM_CHIP_1 | + DMC_MEMCONTROL_BL_8 | + DMC_MEMCONTROL_PZQ_DISABLE | + DMC_MEMCONTROL_MRR_BYTE_7_0, + .memconfig = DMC_MEMCONFIG_CHIP_MAP_SPLIT | + DMC_MEMCONFIGX_CHIP_COL_10 | + DMC_MEMCONFIGX_CHIP_ROW_15 | + DMC_MEMCONFIGX_CHIP_BANK_8, + .prechconfig_tp_cnt = 0xff, + .dpwrdn_cyc = 0xff, + .dsref_cyc = 0xffff, + .concontrol = DMC_CONCONTROL_DFI_INIT_START_DISABLE | + DMC_CONCONTROL_TIMEOUT_LEVEL0 | + DMC_CONCONTROL_RD_FETCH_DISABLE | + DMC_CONCONTROL_EMPTY_DISABLE | + DMC_CONCONTROL_AREF_EN_DISABLE | + DMC_CONCONTROL_IO_PD_CON_DISABLE, + .dmc_channels = 1, + .chips_per_channel = 1, + .chips_to_configure = 1, + .send_zq_init = 1, + .gate_leveling_enable = 1, + .read_leveling_enable = 0, + } +#else { .mem_manuf = MEM_MANUF_ELPIDA, .mem_type = DDR_MODE_DDR3, @@ -324,6 +467,7 @@ struct mem_timings mem_timings[] = { .impedance = IMP_OUTPUT_DRV_40_OHM, .gate_leveling_enable = 1, } +#endif };

/** @@ -399,7 +543,7 @@ struct mem_timings *clock_get_mem_timings(void) return NULL; }

-void system_clock_init() +static void exynos5250_system_clock_init(void) { struct exynos5_clock *clk = (struct exynos5_clock *)samsung_get_base_clock(); @@ -436,19 +580,13 @@ void system_clock_init() } while ((val | MUX_BPLL_SEL_MASK) != val);

/* PLL locktime */ - writel(APLL_LOCK_VAL, &clk->apll_lock); - - writel(MPLL_LOCK_VAL, &clk->mpll_lock); - - writel(BPLL_LOCK_VAL, &clk->bpll_lock); - - writel(CPLL_LOCK_VAL, &clk->cpll_lock); - - writel(GPLL_LOCK_VAL, &clk->gpll_lock); - - writel(EPLL_LOCK_VAL, &clk->epll_lock); - - writel(VPLL_LOCK_VAL, &clk->vpll_lock); + writel(mem->apll_pdiv * PLL_LOCK_FACTOR, &clk->apll_lock); + writel(mem->mpll_pdiv * PLL_LOCK_FACTOR, &clk->mpll_lock); + writel(mem->bpll_pdiv * PLL_LOCK_FACTOR, &clk->bpll_lock); + writel(mem->cpll_pdiv * PLL_LOCK_FACTOR, &clk->cpll_lock); + writel(mem->gpll_pdiv * PLL_X_LOCK_FACTOR, &clk->gpll_lock); + writel(mem->epll_pdiv * PLL_X_LOCK_FACTOR, &clk->epll_lock); + writel(mem->vpll_pdiv * PLL_X_LOCK_FACTOR, &clk->vpll_lock);

writel(CLK_REG_DISABLE, &clk->pll_div2_sel);

@@ -640,6 +778,192 @@ void system_clock_init() writel(val, &clk->div_fsys2); }

+static void exynos5420_system_clock_init(void) +{ + struct exynos5420_clock *clk = + (struct exynos5420_clock *)EXYNOS5_CLOCK_BASE; + struct mem_timings *mem; + struct arm_clk_ratios *arm_clk_ratio; + u32 val; + + mem = clock_get_mem_timings(); + arm_clk_ratio = get_arm_ratios(); + + /* PLL locktime */ + writel(arm_clk_ratio->apll_pdiv * PLL_LOCK_FACTOR, &clk->apll_lock); + writel(mem->mpll_pdiv * PLL_LOCK_FACTOR, &clk->mpll_lock); + writel(mem->bpll_pdiv * PLL_LOCK_FACTOR, &clk->bpll_lock); + writel(mem->cpll_pdiv * PLL_LOCK_FACTOR, &clk->cpll_lock); + writel(mem->dpll_pdiv * PLL_LOCK_FACTOR, &clk->dpll_lock); + writel(mem->epll_pdiv * PLL_X_LOCK_FACTOR, &clk->epll_lock); + writel(mem->vpll_pdiv * PLL_LOCK_FACTOR, &clk->vpll_lock); + writel(mem->ipll_pdiv * PLL_LOCK_FACTOR, &clk->ipll_lock); + writel(mem->spll_pdiv * PLL_LOCK_FACTOR, &clk->spll_lock); + writel(mem->kpll_pdiv * PLL_LOCK_FACTOR, &clk->kpll_lock); + + setbits_le32(&clk->src_cpu, MUX_HPM_SEL_MASK); + + writel(0, &clk->src_top6); + + writel(0, &clk->src_cdrex); + writel(SRC_KFC_HPM_SEL, &clk->src_kfc); + writel(HPM_RATIO, &clk->div_cpu1); + writel(CLK_DIV_CPU0_VAL, &clk->div_cpu0); + + /* switch A15 clock source to OSC clock before changing APLL */ + clrbits_le32(&clk->src_cpu, APLL_FOUT); + + /* Set APLL */ + writel(APLL_CON1_VAL, &clk->apll_con1); + val = set_pll(arm_clk_ratio->apll_mdiv, + arm_clk_ratio->apll_pdiv, + arm_clk_ratio->apll_sdiv); + writel(val, &clk->apll_con0); + while ((readl(&clk->apll_con0) & PLL_LOCKED) == 0) + ; + + /* now it is safe to switch to APLL */ + setbits_le32(&clk->src_cpu, APLL_FOUT); + + writel(SRC_KFC_HPM_SEL, &clk->src_kfc); + writel(CLK_DIV_KFC_VAL, &clk->div_kfc0); + + /* switch A7 clock source to OSC clock before changing KPLL */ + clrbits_le32(&clk->src_kfc, KPLL_FOUT); + + /* Set KPLL*/ + writel(KPLL_CON1_VAL, &clk->kpll_con1); + val = set_pll(mem->kpll_mdiv, mem->kpll_pdiv, mem->kpll_sdiv); + writel(val, &clk->kpll_con0); + while ((readl(&clk->kpll_con0) & PLL_LOCKED) == 0) + ; + + /* now it is safe to switch to KPLL */ + setbits_le32(&clk->src_kfc, KPLL_FOUT); + + /* Set MPLL */ + writel(MPLL_CON1_VAL, &clk->mpll_con1); + val = set_pll(mem->mpll_mdiv, mem->mpll_pdiv, mem->mpll_sdiv); + writel(val, &clk->mpll_con0); + while ((readl(&clk->mpll_con0) & PLL_LOCKED) == 0) + ; + + /* Set DPLL */ + writel(DPLL_CON1_VAL, &clk->dpll_con1); + val = set_pll(mem->dpll_mdiv, mem->dpll_pdiv, mem->dpll_sdiv); + writel(val, &clk->dpll_con0); + while ((readl(&clk->dpll_con0) & PLL_LOCKED) == 0) + ; + + /* Set EPLL */ + writel(EPLL_CON2_VAL, &clk->epll_con2); + writel(EPLL_CON1_VAL, &clk->epll_con1); + val = set_pll(mem->epll_mdiv, mem->epll_pdiv, mem->epll_sdiv); + writel(val, &clk->epll_con0); + while ((readl(&clk->epll_con0) & PLL_LOCKED) == 0) + ; + + /* Set CPLL */ + writel(CPLL_CON1_VAL, &clk->cpll_con1); + val = set_pll(mem->cpll_mdiv, mem->cpll_pdiv, mem->cpll_sdiv); + writel(val, &clk->cpll_con0); + while ((readl(&clk->cpll_con0) & PLL_LOCKED) == 0) + ; + + /* Set IPLL */ + writel(IPLL_CON1_VAL, &clk->ipll_con1); + val = set_pll(mem->ipll_mdiv, mem->ipll_pdiv, mem->ipll_sdiv); + writel(val, &clk->ipll_con0); + while ((readl(&clk->ipll_con0) & PLL_LOCKED) == 0) + ; + + /* Set VPLL */ + writel(VPLL_CON1_VAL, &clk->vpll_con1); + val = set_pll(mem->vpll_mdiv, mem->vpll_pdiv, mem->vpll_sdiv); + writel(val, &clk->vpll_con0); + while ((readl(&clk->vpll_con0) & PLL_LOCKED) == 0) + ; + + /* Set BPLL */ + writel(BPLL_CON1_VAL, &clk->bpll_con1); + val = set_pll(mem->bpll_mdiv, mem->bpll_pdiv, mem->bpll_sdiv); + writel(val, &clk->bpll_con0); + while ((readl(&clk->bpll_con0) & PLL_LOCKED) == 0) + ; + + /* Set SPLL */ + writel(SPLL_CON1_VAL, &clk->spll_con1); + val = set_pll(mem->spll_mdiv, mem->spll_pdiv, mem->spll_sdiv); + writel(val, &clk->spll_con0); + while ((readl(&clk->spll_con0) & PLL_LOCKED) == 0) + ; + + writel(CLK_DIV_CDREX0_VAL, &clk->div_cdrex0); + writel(CLK_DIV_CDREX1_VAL, &clk->div_cdrex1); + + writel(CLK_SRC_TOP0_VAL, &clk->src_top0); + writel(CLK_SRC_TOP1_VAL, &clk->src_top1); + writel(CLK_SRC_TOP2_VAL, &clk->src_top2); + writel(CLK_SRC_TOP7_VAL, &clk->src_top7); + + writel(CLK_DIV_TOP0_VAL, &clk->div_top0); + writel(CLK_DIV_TOP1_VAL, &clk->div_top1); + writel(CLK_DIV_TOP2_VAL, &clk->div_top2); + + writel(0, &clk->src_top10); + writel(0, &clk->src_top11); + writel(0, &clk->src_top12); + + writel(CLK_SRC_TOP3_VAL, &clk->src_top3); + writel(CLK_SRC_TOP4_VAL, &clk->src_top4); + writel(CLK_SRC_TOP5_VAL, &clk->src_top5); + + /* DISP1 BLK CLK SELECTION */ + writel(CLK_SRC_DISP1_0_VAL, &clk->src_disp10); + writel(CLK_DIV_DISP1_0_VAL, &clk->div_disp10); + + /* AUDIO BLK */ + writel(AUDIO0_SEL_EPLL, &clk->src_mau); + writel(DIV_MAU_VAL, &clk->div_mau); + + /* FSYS */ + writel(CLK_SRC_FSYS0_VAL, &clk->src_fsys); + writel(CLK_DIV_FSYS0_VAL, &clk->div_fsys0); + writel(CLK_DIV_FSYS1_VAL, &clk->div_fsys1); + writel(CLK_DIV_FSYS2_VAL, &clk->div_fsys2); + + writel(CLK_SRC_ISP_VAL, &clk->src_isp); + writel(CLK_DIV_ISP0_VAL, &clk->div_isp0); + writel(CLK_DIV_ISP1_VAL, &clk->div_isp1); + + writel(CLK_SRC_PERIC0_VAL, &clk->src_peric0); + writel(CLK_SRC_PERIC1_VAL, &clk->src_peric1); + + writel(CLK_DIV_PERIC0_VAL, &clk->div_peric0); + writel(CLK_DIV_PERIC1_VAL, &clk->div_peric1); + writel(CLK_DIV_PERIC2_VAL, &clk->div_peric2); + writel(CLK_DIV_PERIC3_VAL, &clk->div_peric3); + writel(CLK_DIV_PERIC4_VAL, &clk->div_peric4); + + writel(CLK_DIV_CPERI1_VAL, &clk->div_cperi1); + + writel(CLK_DIV2_RATIO, &clk->clkdiv2_ratio); + writel(CLK_DIV4_RATIO, &clk->clkdiv4_ratio); + writel(CLK_DIV_G2D, &clk->div_g2d); + + writel(CLK_SRC_TOP6_VAL, &clk->src_top6); + writel(CLK_SRC_CDREX_VAL, &clk->src_cdrex); + writel(CLK_SRC_KFC_VAL, &clk->src_kfc); +} + +void system_clock_init(void) +{ + if (proid_is_exynos5420()) + exynos5420_system_clock_init(); + else + exynos5250_system_clock_init(); +} + void clock_init_dp_clock(void) { struct exynos5_clock *clk = diff --git a/arch/arm/cpu/armv7/exynos/exynos5_setup.h b/arch/arm/cpu/armv7/exynos/exynos5_setup.h index 696b386..8e05a00 100644 --- a/arch/arm/cpu/armv7/exynos/exynos5_setup.h +++ b/arch/arm/cpu/armv7/exynos/exynos5_setup.h @@ -12,42 +12,16 @@ #include <config.h> #include <asm/arch/dmc.h>

-/* APLL_CON1 */ -#define APLL_CON1_VAL (0x00203800) - -/* MPLL_CON1 */ -#define MPLL_CON1_VAL (0x00203800) - -/* CPLL_CON1 */ -#define CPLL_CON1_VAL (0x00203800) - -/* GPLL_CON1 */ -#define GPLL_CON1_VAL (0x00203800) - -/* EPLL_CON1, CON2 */ -#define EPLL_CON1_VAL 0x00000000 -#define EPLL_CON2_VAL 0x00000080 - -/* VPLL_CON1, CON2 */ -#define VPLL_CON1_VAL 0x00000000 -#define VPLL_CON2_VAL 0x00000080 +#define NOT_AVAILABLE 0 +#define DATA_MASK 0xFFFFF

-/* BPLL_CON1 */ -#define BPLL_CON1_VAL 0x00203800 +#define ENABLE_BIT 0x1 +#define DISABLE_BIT 0x0 +#define CA_SWAP_EN (1 << 0)

/* Set PLL */ #define set_pll(mdiv, pdiv, sdiv) (1<<31 | mdiv<<16 | pdiv<<8 | sdiv)

-/* CLK_SRC_CPU */ -/* 0 = MOUTAPLL, 1 = SCLKMPLL */ -#define MUX_HPM_SEL 0 -#define MUX_CPU_SEL 0 -#define MUX_APLL_SEL 1 - -#define CLK_SRC_CPU_VAL ((MUX_HPM_SEL << 20) \ - | (MUX_CPU_SEL << 16) \ - | (MUX_APLL_SEL)) - /* MEMCONTROL register bit fields */ #define DMC_MEMCONTROL_CLK_STOP_DISABLE (0 << 0) #define DMC_MEMCONTROL_DPWRDN_DISABLE (0 << 1) @@ -78,6 +52,7 @@

/* MEMCONFIG0 register bit fields */ #define DMC_MEMCONFIGX_CHIP_MAP_INTERLEAVED (1 << 12) +#define DMC_MEMCONFIG_CHIP_MAP_SPLIT (2 << 12) #define DMC_MEMCONFIGX_CHIP_COL_10 (3 << 8) #define DMC_MEMCONFIGX_CHIP_ROW_14 (2 << 4) #define DMC_MEMCONFIGX_CHIP_ROW_15 (3 << 4) @@ -90,6 +65,16 @@ DMC_MEMBASECONFIGX_CHIP_MASK(0x780) \ )

+/* As we use channel interleaving, therefore value of the base address + * register must be set as half of the bus base address + * RAM start addess is 0x2000_0000 which means chip_base is 0x20, so + * we need to set half 0x10 to the membaseconfigx registers + * see exynos5420 UM section 17.17.3.21 for more + */ +#define DMC_CHIP_BASE_0 0x10 +#define DMC_CHIP_BASE_1 0x50 +#define DMC_CHIP_MASK 0x7C0 + #define DMC_MEMBASECONFIG0_VAL DMC_MEMBASECONFIG_VAL(0x40) #define DMC_MEMBASECONFIG1_VAL DMC_MEMBASECONFIG_VAL(0x80)

@@ -113,29 +98,24 @@

/* COJCONTROL register bit fields */ #define DMC_CONCONTROL_IO_PD_CON_DISABLE (0 << 3) +#define DMC_CONCONTROL_IO_PD_CON_ENABLE (1 << 3) #define DMC_CONCONTROL_AREF_EN_DISABLE (0 << 5) +#define DMC_CONCONTROL_AREF_EN_ENABLE (1 << 5) #define DMC_CONCONTROL_EMPTY_DISABLE (0 << 8) #define DMC_CONCONTROL_EMPTY_ENABLE (1 << 8) #define DMC_CONCONTROL_RD_FETCH_DISABLE (0x0 << 12) #define DMC_CONCONTROL_TIMEOUT_LEVEL0 (0xFFF << 16) #define DMC_CONCONTROL_DFI_INIT_START_DISABLE (0 << 28)

-/* CLK_DIV_CPU0_VAL */ -#define CLK_DIV_CPU0_VAL ((ARM2_RATIO << 28) \ - | (APLL_RATIO << 24) \ - | (PCLK_DBG_RATIO << 20) \ - | (ATB_RATIO << 16) \ - | (PERIPH_RATIO << 12) \ - | (ACP_RATIO << 8) \ - | (CPUD_RATIO << 4) \ - | (ARM_RATIO)) +#define DMC_CONCONTROL_VAL 0x1FFF2101

+#define DREX_CONCONTROL_VAL DMC_CONCONTROL_VAL \ + | DMC_CONCONTROL_AREF_EN_ENABLE \ + | DMC_CONCONTROL_IO_PD_CON_ENABLE

-/* CLK_FSYS */ -#define CLK_SRC_FSYS0_VAL 0x66666 -#define CLK_DIV_FSYS0_VAL 0x0BB00000 +#define DMC_CONCONTROL_IO_PD_CON(x) (x << 6)

-/* CLK_DIV_CPU1 */ +/* CLK_DIV_CPU1 */ #define HPM_RATIO 0x2 #define COPY_RATIO 0x0

@@ -164,10 +144,370 @@ /* CLK_DIV_SYSLFT */ #define CLK_DIV_SYSLFT_VAL 0x00000311

+#define MUX_APLL_SEL_MASK (1 << 0) +#define MUX_MPLL_SEL_MASK (1 << 8) +#define MPLL_SEL_MOUT_MPLLFOUT (2 << 8) +#define MUX_CPLL_SEL_MASK (1 << 8) +#define MUX_EPLL_SEL_MASK (1 << 12) +#define MUX_VPLL_SEL_MASK (1 << 16) +#define MUX_GPLL_SEL_MASK (1 << 28) +#define MUX_BPLL_SEL_MASK (1 << 0) +#define MUX_HPM_SEL_MASK (1 << 20) +#define HPM_SEL_SCLK_MPLL (1 << 21) +#define PLL_LOCKED (1 << 29) +#define APLL_CON0_LOCKED (1 << 29) +#define MPLL_CON0_LOCKED (1 << 29) +#define BPLL_CON0_LOCKED (1 << 29) +#define CPLL_CON0_LOCKED (1 << 29) +#define EPLL_CON0_LOCKED (1 << 29) +#define GPLL_CON0_LOCKED (1 << 29) +#define VPLL_CON0_LOCKED (1 << 29) +#define CLK_REG_DISABLE 0x0 +#define TOP2_VAL 0x0110000 + +/* SCLK_SRC_ISP - set SPI0/1 to 6 = SCLK_MPLL_USER */ +#define SPI0_ISP_SEL 6 +#define SPI1_ISP_SEL 6 +#define SCLK_SRC_ISP_VAL (SPI1_ISP_SEL << 4) \ + | (SPI0_ISP_SEL << 0) + +/* SCLK_DIV_ISP - set SPI0/1 to 0xf = divide by 16 */ +#define SPI0_ISP_RATIO 0xf +#define SPI1_ISP_RATIO 0xf +#define SCLK_DIV_ISP_VAL (SPI1_ISP_RATIO << 12) \ + | (SPI0_ISP_RATIO << 0) + +/* CLK_DIV_FSYS2 */ +#define MMC2_RATIO_MASK 0xf +#define MMC2_RATIO_VAL 0x3 +#define MMC2_RATIO_OFFSET 0 + +#define MMC2_PRE_RATIO_MASK 0xff +#define MMC2_PRE_RATIO_VAL 0x9 +#define MMC2_PRE_RATIO_OFFSET 8 + +#define MMC3_RATIO_MASK 0xf +#define MMC3_RATIO_VAL 0x1 +#define MMC3_RATIO_OFFSET 16 + +#define MMC3_PRE_RATIO_MASK 0xff +#define MMC3_PRE_RATIO_VAL 0x0 +#define MMC3_PRE_RATIO_OFFSET 24 + +/* CLK_SRC_LEX */ +#define CLK_SRC_LEX_VAL 0x0 + +/* CLK_DIV_LEX */ +#define CLK_DIV_LEX_VAL 0x10 + +/* CLK_DIV_R0X */ +#define CLK_DIV_R0X_VAL 0x10 + +/* CLK_DIV_L0X */ +#define CLK_DIV_R1X_VAL 0x10 + +/* CLK_DIV_ISP2 */ +#define CLK_DIV_ISP2_VAL 0x1 + +/* CLK_SRC_KFC */ +#define SRC_KFC_HPM_SEL (1 << 15) + +/* CLK_SRC_KFC */ +#define CLK_SRC_KFC_VAL 0x00008001 + +/* CLK_DIV_KFC */ +#define CLK_DIV_KFC_VAL 0x03300110 + +/* CLK_DIV2_RATIO */ +#define CLK_DIV2_RATIO 0x10111150 + +/* CLK_DIV4_RATIO */ +#define CLK_DIV4_RATIO 0x00000003 + +/* CLK_DIV_G2D */ +#define CLK_DIV_G2D 0x00000010 + +/* + * DIV_DISP1_0 + * For DP, divisor should be 2 + */ +#define CLK_DIV_DISP1_0_FIMD1 (2 << 0) + +/* CLK_GATE_IP_DISP1 */ +#define CLK_GATE_DP1_ALLOW (1 << 4) + +/* AUDIO CLK SEL */ +#define AUDIO0_SEL_EPLL (0x6 << 28) +#define AUDIO0_RATIO 0x5 +#define PCM0_RATIO 0x3 +#define DIV_MAU_VAL (PCM0_RATIO << 24 | AUDIO0_RATIO << 20) + + +/* CLK_SRC_CDREX */ +#define MUX_MCLK_CDR_MSPLL (1 << 4) +#define MUX_BPLL_SEL_FOUTBPLL (1 << 0) +#define BPLL_SEL_MASK 0x7 +#define FOUTBPLL 2 + +#define DDR3PHY_CTRL_PHY_RESET (1 << 0) +#define DDR3PHY_CTRL_PHY_RESET_OFF (0 << 0) + +#define PHY_CON0_RESET_VAL 0x17020a40 +#define P0_CMD_EN (1 << 14) +#define BYTE_RDLVL_EN (1 << 13) +#define CTRL_SHGATE (1 << 8) + +#define PHY_CON1_RESET_VAL 0x09210100 +#define RDLVL_PASS_ADJ_VAL 0x6 +#define RDLVL_PASS_ADJ_OFFSET 16 +#define CTRL_GATEDURADJ_MASK (0xf << 20) +#define READ_LEVELLING_DDR3 0x0100 + +#define PHY_CON2_RESET_VAL 0x00010004 +#define INIT_DESKEW_EN (1 << 6) +#define DLL_DESKEW_EN (1 << 12) +#define RDLVL_GATE_EN (1 << 24) +#define RDLVL_EN (1 << 25) +#define RDLVL_INCR_ADJ (0x1 << 16) + +/* DREX_PAUSE */ +#define DREX_PAUSE_EN (1 << 0) + +#define BYPASS_EN (1 << 22) + +/********-----MEMMORY VAL----------***/ +#define PHY_CON0_VAL 0x17021A00 + +#define PHY_CON12_RESET_VAL 0x10100070 +#define PHY_CON12_VAL 0x10107F50 +#define CTRL_START (1 << 6) +#define CTRL_DLL_ON (1 << 5) +#define CTRL_FORCE_MASK (0x7F << 8) +#define CTRL_LOCK_COARSE_MASK (0x7F << 10) + + +#define CTRL_OFFSETD_RESET_VAL 0x8 +#define CTRL_OFFSETD_VAL 0x7F + +#define CTRL_OFFSETR0 0x7F +#define CTRL_OFFSETR1 0x7F +#define CTRL_OFFSETR2 0x7F +#define CTRL_OFFSETR3 0x7F +#define PHY_CON4_VAL (CTRL_OFFSETR0 << 0 | \ + CTRL_OFFSETR1 << 8 | \ + CTRL_OFFSETR2 << 16 | \ + CTRL_OFFSETR3 << 24) +#define PHY_CON4_RESET_VAL 0x08080808 + +#define CTRL_OFFSETW0 0x7F +#define CTRL_OFFSETW1 0x7F +#define CTRL_OFFSETW2 0x7F +#define CTRL_OFFSETW3 0x7F +#define PHY_CON6_VAL (CTRL_OFFSETW0 << 0 | \ + CTRL_OFFSETW1 << 8 | \ + CTRL_OFFSETW2 << 16 | \ + CTRL_OFFSETW3 << 24) +#define PHY_CON6_RESET_VAL 0x08080808 + +#define PHY_CON14_RESET_VAL 0x001F0000 +#define CTRL_PULLD_DQS 0xF +#define CTRL_PULLD_DQS_OFFSET 0 + +/*ZQ Configurations */ +#define PHY_CON16_RESET_VAL 0x08000304 + +#define ZQ_CLK_EN (1 << 27) +#define ZQ_CLK_DIV_EN (1 << 18) +#define ZQ_MANUAL_STR (1 << 1) +#define ZQ_DONE (1 << 0) +#define ZQ_MODE_DDS_OFFSET 24 + +#define CTRL_RDLVL_GATE_ENABLE 1 +#define CTRL_RDLVL_GATE_DISABLE 0 +#define CTRL_RDLVL_DATA_ENABLE 2 + +/* Direct Command */ +#define DIRECT_CMD_NOP 0x07000000 +#define DIRECT_CMD_PALL 0x01000000 +#define DIRECT_CMD_ZQINIT 0x0a000000 +#define DIRECT_CMD_CHANNEL_SHIFT 28 +#define DIRECT_CMD_CHIP_SHIFT 20 +#define DIRECT_CMD_BANK_SHIFT 16 +#define DIRECT_CMD_REFA (5 << 24) +#define DIRECT_CMD_MRS1 0x71C00 +#define DIRECT_CMD_MRS2 0x10BFC +#define DIRECT_CMD_MRS3 0x0050C +#define DIRECT_CMD_MRS4 0x00868 +#define DIRECT_CMD_MRS5 0x00C04 + +/* Drive Strength */ +#define IMPEDANCE_48_OHM 4 +#define IMPEDANCE_40_OHM 5 +#define IMPEDANCE_34_OHM 6 +#define IMPEDANCE_30_OHM 7 +#define PHY_CON39_VAL_48_OHM 0x09240924 +#define PHY_CON39_VAL_40_OHM 0x0B6D0B6D +#define PHY_CON39_VAL_34_OHM 0x0DB60DB6 +#define PHY_CON39_VAL_30_OHM 0x0FFF0FFF + + +#define CTRL_BSTLEN_OFFSET 8 +#define CTRL_RDLAT_OFFSET 0 + +#define CMD_DEFAULT_LPDDR3 0xF +#define CMD_DEFUALT_OFFSET 0 +#define T_WRDATA_EN 0x7 +#define T_WRDATA_EN_DDR3 0x8 +#define T_WRDATA_EN_OFFSET 16 +#define T_WRDATA_EN_MASK 0x1f + +#define PHY_CON31_VAL 0x0C183060 +#define PHY_CON32_VAL 0x60C18306 +#define PHY_CON33_VAL 0x00000030 + +#define PHY_CON31_RESET_VAL 0x0 +#define PHY_CON32_RESET_VAL 0x0 +#define PHY_CON33_RESET_VAL 0x0 + +#define SL_DLL_DYN_CON_EN (1 << 1) +#define FP_RESYNC (1 << 3) +#define CTRL_START (1 << 6) + +#define DMC_AREF_EN (1 << 5) +#define DMC_CONCONTROL_EMPTY (1 << 8) +#define DFI_INIT_START (1 << 28) + +#define DMC_MEMCONTROL_VAL 0x00312700 +#define CLK_STOP_EN (1 << 0) +#define DPWRDN_EN (1 << 1) +#define DSREF_EN (1 << 5) + +#define MEMBASECONFIG_CHIP_MASK_VAL 0x7E0 +#define MEMBASECONFIG_CHIP_MASK_OFFSET 0 +#define MEMBASECONFIG0_CHIP_BASE_VAL 0x20 +#define MEMBASECONFIG1_CHIP_BASE_VAL 0x40 +#define CHIP_BASE_OFFSET 16 + +#define MEMCONFIG_VAL 0x1323 +#define PRECHCONFIG_DEFAULT_VAL 0xFF000000 +#define PWRDNCONFIG_DEFAULT_VAL 0xFFFF00FF + +#define TIMINGAREF_VAL 0x5d +#define TIMINGROW_VAL 0x345A8692 +#define TIMINGDATA_VAL 0x3630065C +#define TIMINGPOWER_VAL 0x50380336 +#define DFI_INIT_COMPLETE (1 << 3) + +#define BRBRSVCONTROL_VAL 0x00000033 +#define BRBRSVCONFIG_VAL 0x88778877 + +/* Clock Gating Control (CGCONTROL) register */ +#define MEMIF_CG_EN (1 << 3) /* Memory interface clock gating */ +#define SCG_CG_EN (1 << 2) /* Scheduler clock gating */ +#define BUSIF_WR_CG_EN (1 << 1) /* Bus interface write channel clock gating */ +#define BUSIF_RD_CG_EN (1 << 0) /* Bus interface read channel clock gating */ +#define DMC_INTERNAL_CG (MEMIF_CG_EN | SCG_CG_EN | \ + BUSIF_WR_CG_EN | BUSIF_RD_CG_EN) + +/* DMC PHY Control0 register */ +#define PHY_CONTROL0_RESET_VAL 0x0 +#define MEM_TERM_EN (1 << 31) /* Termination enable for memory */ +#define PHY_TERM_EN (1 << 30) /* Termination enable for PHY */ +#define DMC_CTRL_SHGATE (1 << 29) /* Duration of DQS gating signal */ +#define FP_RSYNC (1 << 3) /* Force DLL resyncronization */ + +/* Driver strength for CK, CKE, CS & CA */ +#define IMP_OUTPUT_DRV_40_OHM 0x5 +#define IMP_OUTPUT_DRV_30_OHM 0x7 +#define DA_3_DS_OFFSET 25 +#define DA_2_DS_OFFSET 22 +#define DA_1_DS_OFFSET 19 +#define DA_0_DS_OFFSET 16 +#define CA_CK_DRVR_DS_OFFSET 9 +#define CA_CKE_DRVR_DS_OFFSET 6 +#define CA_CS_DRVR_DS_OFFSET 3 +#define CA_ADR_DRVR_DS_OFFSET 0 + +#define PHY_CON42_CTRL_BSTLEN_SHIFT 8 +#define PHY_CON42_CTRL_RDLAT_SHIFT 0 + +/* + * Definitions that differ with SoC's. + * Below is the part defining macros for smdk5250. + * Else part introduces macros for smdk5420. + */ +#ifndef CONFIG_SMDK5420 + +/* APLL_CON1 */ +#define APLL_CON1_VAL (0x00203800) + +/* MPLL_CON1 */ +#define MPLL_CON1_VAL (0x00203800) + +/* CPLL_CON1 */ +#define CPLL_CON1_VAL (0x00203800) + +/* DPLL_CON1 */ +#define DPLL_CON1_VAL (NOT_AVAILABLE) + +/* GPLL_CON1 */ +#define GPLL_CON1_VAL (0x00203800) + +/* EPLL_CON1, CON2 */ +#define EPLL_CON1_VAL 0x00000000 +#define EPLL_CON2_VAL 0x00000080 + +/* VPLL_CON1, CON2 */ +#define VPLL_CON1_VAL 0x00000000 +#define VPLL_CON2_VAL 0x00000080 + +/* RPLL_CON1, CON2 */ +#define RPLL_CON1_VAL NOT_AVAILABLE +#define RPLL_CON2_VAL NOT_AVAILABLE + +/* BPLL_CON1 */ +#define BPLL_CON1_VAL 0x00203800 + +/* SPLL_CON1 */ +#define SPLL_CON1_VAL NOT_AVAILABLE + +/* IPLL_CON1 */ +#define IPLL_CON1_VAL NOT_AVAILABLE + +/* KPLL_CON1 */ +#define KPLL_CON1_VAL NOT_AVAILABLE + +/* CLK_SRC_ISP */ +#define CLK_SRC_ISP_VAL NOT_AVAILABLE +#define CLK_DIV_ISP0_VAL 0x31 +#define CLK_DIV_ISP1_VAL 0x0 + +/* CLK_FSYS */ +#define CLK_SRC_FSYS0_VAL 0x66666 +#define CLK_DIV_FSYS0_VAL 0x0BB00000 +#define CLK_DIV_FSYS1_VAL NOT_AVAILABLE +#define CLK_DIV_FSYS2_VAL NOT_AVAILABLE + +/* CLK_SRC_CPU */ +/* 0 = MOUTAPLL, 1 = SCLKMPLL */ +#define MUX_HPM_SEL 0 +#define MUX_CPU_SEL 0 +#define MUX_APLL_SEL 1 + +#define CLK_SRC_CPU_VAL ((MUX_HPM_SEL << 20) \ + | (MUX_CPU_SEL << 16) \ + | (MUX_APLL_SEL)) + /* CLK_SRC_CDREX */ #define CLK_SRC_CDREX_VAL 0x1

/* CLK_DIV_CDREX */ +#define CLK_DIV_CDREX0_VAL NOT_AVAILABLE +#define CLK_DIV_CDREX1_VAL NOT_AVAILABLE + +/* CLK_DIV_CPU0_VAL */ +#define CLK_DIV_CPU0_VAL NOT_AVAILABLE + #define MCLK_CDREX2_RATIO 0x0 #define ACLK_EFCON_RATIO 0x1 #define MCLK_DPHY_RATIO 0x1 @@ -247,6 +587,11 @@ | (MUX_ACLK_300_DISP1_SUB_SEL << 6) \ | (MUX_ACLK_200_DISP1_SUB_SEL << 4))

+#define CLK_SRC_TOP4_VAL NOT_AVAILABLE +#define CLK_SRC_TOP5_VAL NOT_AVAILABLE +#define CLK_SRC_TOP6_VAL NOT_AVAILABLE +#define CLK_SRC_TOP7_VAL NOT_AVAILABLE + /* CLK_DIV_TOP0 */ #define ACLK_300_DISP1_RATIO 0x2 #define ACLK_400_G3D_RATIO 0x0 @@ -279,40 +624,11 @@ | (ACLK_400_IOP_RATIO << 16) \ | (ACLK_300_GSCL_RATIO << 12))

-/* APLL_LOCK */ -#define APLL_LOCK_VAL (0x546) -/* MPLL_LOCK */ -#define MPLL_LOCK_VAL (0x546) -/* CPLL_LOCK */ -#define CPLL_LOCK_VAL (0x546) -/* GPLL_LOCK */ -#define GPLL_LOCK_VAL (0x546) -/* EPLL_LOCK */ -#define EPLL_LOCK_VAL (0x3A98) -/* VPLL_LOCK */ -#define VPLL_LOCK_VAL (0x3A98) -/* BPLL_LOCK */ -#define BPLL_LOCK_VAL (0x546) +#define CLK_DIV_TOP2_VAL NOT_AVAILABLE

-#define MUX_APLL_SEL_MASK (1 << 0) -#define MUX_MPLL_SEL_MASK (1 << 8) -#define MPLL_SEL_MOUT_MPLLFOUT (2 << 8) -#define MUX_CPLL_SEL_MASK (1 << 8) -#define MUX_EPLL_SEL_MASK (1 << 12) -#define MUX_VPLL_SEL_MASK (1 << 16) -#define MUX_GPLL_SEL_MASK (1 << 28) -#define MUX_BPLL_SEL_MASK (1 << 0) -#define MUX_HPM_SEL_MASK (1 << 20) -#define HPM_SEL_SCLK_MPLL (1 << 21) -#define APLL_CON0_LOCKED (1 << 29) -#define MPLL_CON0_LOCKED (1 << 29) -#define BPLL_CON0_LOCKED (1 << 29) -#define CPLL_CON0_LOCKED (1 << 29) -#define EPLL_CON0_LOCKED (1 << 29) -#define GPLL_CON0_LOCKED (1 << 29) -#define VPLL_CON0_LOCKED (1 << 29) -#define CLK_REG_DISABLE 0x0 -#define TOP2_VAL 0x0110000 +/* PLL Lock Value Factor */ +#define PLL_LOCK_FACTOR 250 +#define PLL_X_LOCK_FACTOR 3000

/* CLK_SRC_PERIC0 */ #define PWM_SEL 6 @@ -336,18 +652,6 @@ | (SPI1_SEL << 20) \ | (SPI0_SEL << 16))

-/* SCLK_SRC_ISP - set SPI0/1 to 6 = SCLK_MPLL_USER */ -#define SPI0_ISP_SEL 6 -#define SPI1_ISP_SEL 6 -#define SCLK_SRC_ISP_VAL (SPI1_ISP_SEL << 4) \ - | (SPI0_ISP_SEL << 0) - -/* SCLK_DIV_ISP - set SPI0/1 to 0xf = divide by 16 */ -#define SPI0_ISP_RATIO 0xf -#define SPI1_ISP_RATIO 0xf -#define SCLK_DIV_ISP_VAL (SPI1_ISP_RATIO << 12) \ - | (SPI0_ISP_RATIO << 0) - /* CLK_DIV_PERIL0 */ #define UART5_RATIO 7 #define UART4_RATIO 7 @@ -380,105 +684,200 @@ #define PWM_RATIO 8 #define CLK_DIV_PERIC3_VAL (PWM_RATIO << 0)

-/* CLK_DIV_FSYS2 */ -#define MMC2_RATIO_MASK 0xf -#define MMC2_RATIO_VAL 0x3 -#define MMC2_RATIO_OFFSET 0

-#define MMC2_PRE_RATIO_MASK 0xff -#define MMC2_PRE_RATIO_VAL 0x9 -#define MMC2_PRE_RATIO_OFFSET 8 +/* CLK_DIV_PERIC4 */ +#define CLK_DIV_PERIC4_VAL NOT_AVAILABLE

-#define MMC3_RATIO_MASK 0xf -#define MMC3_RATIO_VAL 0x1 -#define MMC3_RATIO_OFFSET 16 +/* CLK_SRC_DISP1_0 */ +#define CLK_SRC_DISP1_0_VAL 0x6 +#define CLK_DIV_DISP1_0_VAL NOT_AVAILABLE

-#define MMC3_PRE_RATIO_MASK 0xff -#define MMC3_PRE_RATIO_VAL 0x0 -#define MMC3_PRE_RATIO_OFFSET 24 +#define APLL_FOUT (1 << 0) +#define KPLL_FOUT NOT_AVAILABLE

-/* CLK_SRC_LEX */ -#define CLK_SRC_LEX_VAL 0x0 +#define CLK_DIV_CPERI1_VAL NOT_AVAILABLE

-/* CLK_DIV_LEX */ -#define CLK_DIV_LEX_VAL 0x10 +#else

-/* CLK_DIV_R0X */ -#define CLK_DIV_R0X_VAL 0x10 +/* APLL_CON1 */ +#define APLL_CON1_VAL (0x0020F300)

-/* CLK_DIV_L0X */ -#define CLK_DIV_R1X_VAL 0x10 +/* MPLL_CON1 */ +#define MPLL_CON1_VAL (0x0020F300)

-/* CLK_DIV_ISP0 */ -#define CLK_DIV_ISP0_VAL 0x31

-/* CLK_DIV_ISP1 */ -#define CLK_DIV_ISP1_VAL 0x0 +/* CPLL_CON1 */ +#define CPLL_CON1_VAL 0x0020f300

-/* CLK_DIV_ISP2 */ -#define CLK_DIV_ISP2_VAL 0x1 +/* DPLL_CON1 */ +#define DPLL_CON1_VAL (0x0020F300)

-/* CLK_SRC_DISP1_0 */ -#define CLK_SRC_DISP1_0_VAL 0x6 +/* GPLL_CON1 */ +#define GPLL_CON1_VAL (NOT_AVAILABLE)

-/* - * DIV_DISP1_0 - * For DP, divisor should be 2 - */ -#define CLK_DIV_DISP1_0_FIMD1 (2 << 0)

-/* CLK_GATE_IP_DISP1 */ -#define CLK_GATE_DP1_ALLOW (1 << 4) +/* EPLL_CON1, CON2 */ +#define EPLL_CON1_VAL 0x00000000 +#define EPLL_CON2_VAL 0x00000080

-#define DDR3PHY_CTRL_PHY_RESET (1 << 0) -#define DDR3PHY_CTRL_PHY_RESET_OFF (0 << 0) +/* VPLL_CON1, CON2 */ +#define VPLL_CON1_VAL 0x0020f300 +#define VPLL_CON2_VAL NOT_AVAILABLE

-#define PHY_CON0_RESET_VAL 0x17020a40 -#define P0_CMD_EN (1 << 14) -#define BYTE_RDLVL_EN (1 << 13) -#define CTRL_SHGATE (1 << 8) +/* RPLL_CON1, CON2 */ +#define RPLL_CON1_VAL 0x00000000 +#define RPLL_CON2_VAL 0x00000080

-#define PHY_CON1_RESET_VAL 0x09210100 -#define CTRL_GATEDURADJ_MASK (0xf << 20) +/* BPLL_CON1 */ +#define BPLL_CON1_VAL 0x0020f300

-#define PHY_CON2_RESET_VAL 0x00010004 -#define INIT_DESKEW_EN (1 << 6) -#define RDLVL_GATE_EN (1 << 24) +/* SPLL_CON1 */ +#define SPLL_CON1_VAL 0x0020f300

-/*ZQ Configurations */ -#define PHY_CON16_RESET_VAL 0x08000304 +/* IPLL_CON1 */ +#define IPLL_CON1_VAL 0x00000080

-#define ZQ_CLK_DIV_EN (1 << 18) -#define ZQ_MANUAL_STR (1 << 1) -#define ZQ_DONE (1 << 0) +/* KPLL_CON1 */ +#define KPLL_CON1_VAL 0x200000

-#define CTRL_RDLVL_GATE_ENABLE 1 -#define CTRL_RDLVL_GATE_DISABLE 1 +/* CLK_SRC_ISP */ +#define CLK_SRC_ISP_VAL 0x33366000 +#define CLK_DIV_ISP0_VAL 0x13131300 +#define CLK_DIV_ISP1_VAL 0xbb110202

-/* Direct Command */ -#define DIRECT_CMD_NOP 0x07000000 -#define DIRECT_CMD_PALL 0x01000000 -#define DIRECT_CMD_ZQINIT 0x0a000000 -#define DIRECT_CMD_CHANNEL_SHIFT 28 -#define DIRECT_CMD_CHIP_SHIFT 20

-/* DMC PHY Control0 register */ -#define PHY_CONTROL0_RESET_VAL 0x0 -#define MEM_TERM_EN (1 << 31) /* Termination enable for memory */ -#define PHY_TERM_EN (1 << 30) /* Termination enable for PHY */ -#define DMC_CTRL_SHGATE (1 << 29) /* Duration of DQS gating signal */ -#define FP_RSYNC (1 << 3) /* Force DLL resyncronization */ +/* CLK_FSYS */ +#define CLK_SRC_FSYS0_VAL 0x33033300 +#define CLK_DIV_FSYS0_VAL 0x0 +#define CLK_DIV_FSYS1_VAL 0x04f13c4f +#define CLK_DIV_FSYS2_VAL 0x041d0000 + +/* CLK_SRC_CPU */ +/* 0 = MOUTAPLL, 1 = SCLKMPLL */ +#define MUX_HPM_SEL 1 +#define MUX_CPU_SEL 0 +#define MUX_APLL_SEL 1

-/* Driver strength for CK, CKE, CS & CA */ -#define IMP_OUTPUT_DRV_40_OHM 0x5 -#define IMP_OUTPUT_DRV_30_OHM 0x7 -#define CA_CK_DRVR_DS_OFFSET 9 -#define CA_CKE_DRVR_DS_OFFSET 6 -#define CA_CS_DRVR_DS_OFFSET 3 -#define CA_ADR_DRVR_DS_OFFSET 0 +#define CLK_SRC_CPU_VAL ((MUX_HPM_SEL << 20) \ + | (MUX_CPU_SEL << 16) \ + | (MUX_APLL_SEL))

-#define PHY_CON42_CTRL_BSTLEN_SHIFT 8 -#define PHY_CON42_CTRL_RDLAT_SHIFT 0 +/* CLK_SRC_CDREX */ +#define CLK_SRC_CDREX_VAL 0x00000011 + +/* CLK_DIV_CDREX */ +#define CLK_DIV_CDREX0_VAL 0x30010100 +#define CLK_DIV_CDREX1_VAL 0x300 + +#define CLK_DIV_CDREX_VAL 0x17010100 + +/* CLK_DIV_CPU0_VAL */ +#define CLK_DIV_CPU0_VAL 0x01440020 + +/* CLK_SRC_TOP */ +#define CLK_SRC_TOP0_VAL 0x12221222 +#define CLK_SRC_TOP1_VAL 0x00100200 +#define CLK_SRC_TOP2_VAL 0x11101000 +#define CLK_SRC_TOP3_VAL 0x11111111 +#define CLK_SRC_TOP4_VAL 0x11110111 +#define CLK_SRC_TOP5_VAL 0x11111100 +#define CLK_SRC_TOP6_VAL 0x11110111 +#define CLK_SRC_TOP7_VAL 0x00022200 + +/* CLK_DIV_TOP */ +#define CLK_DIV_TOP0_VAL 0x23712311 +#define CLK_DIV_TOP1_VAL 0x13100B00 +#define CLK_DIV_TOP2_VAL 0x11101100 + +/* PLL Lock Value Factor */ +#define PLL_LOCK_FACTOR 200 +#define PLL_X_LOCK_FACTOR 3000 + +/* CLK_SRC_PERIC0 */ +#define SPDIF_SEL 1 +#define PWM_SEL 3 +#define UART4_SEL 3 +#define UART3_SEL 3 +#define UART2_SEL 3 +#define UART1_SEL 3 +#define UART0_SEL 3 +/* SRC_CLOCK = SCLK_RPLL */ +#define CLK_SRC_PERIC0_VAL ((SPDIF_SEL << 28) \ + | (PWM_SEL << 24) \ + | (UART4_SEL << 20) \ + | (UART3_SEL << 16) \ + | (UART2_SEL << 12) \ + | (UART1_SEL << 8) \ + | (UART0_SEL << 4)) + +/* CLK_SRC_PERIC1 */ +/* SRC_CLOCK = SCLK_EPLL */ +#define SPI0_SEL 6 +#define SPI1_SEL 6 +#define SPI2_SEL 6 +#define AUDIO0_SEL 6 +#define AUDIO1_SEL 6 +#define AUDIO2_SEL 6 +#define CLK_SRC_PERIC1_VAL ((SPI2_SEL << 28) \ + | (SPI1_SEL << 24) \ + | (SPI0_SEL << 20) \ + | (AUDIO2_SEL << 16) \ + | (AUDIO2_SEL << 12) \ + | (AUDIO2_SEL << 8)) + +/* CLK_DIV_PERIC0 */ +#define PWM_RATIO 8 +#define UART4_RATIO 9 +#define UART3_RATIO 9 +#define UART2_RATIO 9 +#define UART1_RATIO 9 +#define UART0_RATIO 9 + +#define CLK_DIV_PERIC0_VAL ((PWM_RATIO << 28) \ + | (UART4_RATIO << 24) \ + | (UART3_RATIO << 20) \ + | (UART2_RATIO << 16) \ + | (UART1_RATIO << 12) \ + | (UART0_RATIO << 8)) +/* CLK_DIV_PERIC1 */ +#define SPI2_RATIO 0x1 +#define SPI1_RATIO 0x1 +#define SPI0_RATIO 0x1 +#define CLK_DIV_PERIC1_VAL ((SPI2_RATIO << 28) \ + | (SPI1_RATIO << 24) \ + | (SPI0_RATIO << 20)) + +/* CLK_DIV_PERIC2 */ +#define PCM2_RATIO 0x3 +#define PCM1_RATIO 0x3 +#define CLK_DIV_PERIC2_VAL ((PCM2_RATIO << 24) \ + | (PCM1_RATIO << 16)) + +/* CLK_DIV_PERIC3 */ +#define AUDIO2_RATIO 0x5 +#define AUDIO1_RATIO 0x5 +#define AUDIO0_RATIO 0x5 +#define CLK_DIV_PERIC3_VAL ((AUDIO2_RATIO << 28) \ + | (AUDIO1_RATIO << 24) \ + | (AUDIO0_RATIO << 20)) + +/* CLK_DIV_PERIC4 */ +#define SPI2_PRE_RATIO 0x2 +#define SPI1_PRE_RATIO 0x2 +#define SPI0_PRE_RATIO 0x2 +#define CLK_DIV_PERIC4_VAL ((SPI2_PRE_RATIO << 24) \ + | (SPI1_PRE_RATIO << 16) \ + | (SPI0_PRE_RATIO << 8)) + +/* CLK_SRC_DISP1_0 */ +#define CLK_SRC_DISP1_0_VAL 0x10666600 +#define CLK_DIV_DISP1_0_VAL 0x01050211 + +#define APLL_FOUT (1 << 0) +#define KPLL_FOUT (1 << 0) + +#define CLK_DIV_CPERI1_VAL 0x3f3f0000 +#endif

struct mem_timings;

@@ -490,7 +889,7 @@ enum { };

/* - * Memory variant specific initialization code + * Memory variant specific initialization code for DDR3 * * @param mem Memory timings for this memory type. * @param mem_iv_size Memory interleaving size is a configurable parameter @@ -503,6 +902,9 @@ enum { int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size, int reset);

+/* Memory variant specific initialization code for LPDDR3 */ +void lpddr3_mem_ctrl_init(void); + /* * Configure ZQ I/O interface * @@ -532,14 +934,6 @@ void dmc_config_mrs(struct mem_timings *mem, struct exynos5_dmc *dmc); void dmc_config_prech(struct mem_timings *mem, struct exynos5_dmc *dmc);

/* - * Configure the memconfig and membaseconfig registers - * - * @param mem Memory timings for this memory type. - * @param exynos5_dmc Pointer to struct of DMC registers - */ -void dmc_config_memory(struct mem_timings *mem, struct exynos5_dmc *dmc); - -/* * Reset the DLL. This function is common between DDR3 and LPDDR2. * However, the reset value is different. So we are passing a flag * ddr_mode to distinguish between LPDDR2 and DDR3. diff --git a/arch/arm/include/asm/arch-exynos/clk.h b/arch/arm/include/asm/arch-exynos/clk.h index 71075bd..abce246 100644 --- a/arch/arm/include/asm/arch-exynos/clk.h +++ b/arch/arm/include/asm/arch-exynos/clk.h @@ -14,6 +14,7 @@ #define HPLL 3 #define VPLL 4 #define BPLL 5 +#define RPLL 6

enum pll_src_bit { EXYNOS_SRC_MPLL = 6, diff --git a/arch/arm/include/asm/arch-exynos/clock.h b/arch/arm/include/asm/arch-exynos/clock.h index 2b97b9a..c3dce1c 100644 --- a/arch/arm/include/asm/arch-exynos/clock.h +++ b/arch/arm/include/asm/arch-exynos/clock.h @@ -858,6 +858,500 @@ struct exynos5_clock { unsigned char res123[0xf5d8]; };

+struct exynos5420_clock { + unsigned int apll_lock; /* 0x10010000 */ + unsigned char res1[0xfc]; + unsigned int apll_con0; + unsigned int apll_con1; + unsigned char res2[0xf8]; + unsigned int src_cpu; + unsigned char res3[0x1fc]; + unsigned int mux_stat_cpu; + unsigned char res4[0xfc]; + unsigned int div_cpu0; /* 0x10010500 */ + unsigned int div_cpu1; + unsigned char res5[0xf8]; + unsigned int div_stat_cpu0; + unsigned int div_stat_cpu1; + unsigned char res6[0xf8]; + unsigned int gate_bus_cpu; + unsigned char res7[0xfc]; + unsigned int gate_sclk_cpu; + unsigned char res8[0x1fc]; + unsigned int clkout_cmu_cpu; /* 0x10010a00 */ + unsigned int clkout_cmu_cpu_div_stat; + unsigned char res9[0x5f8]; + unsigned int armclk_stopctrl; + unsigned char res10[0x4]; + unsigned int arm_ema_ctrl; + unsigned int arm_ema_status; + unsigned char res11[0x10]; + unsigned int pwr_ctrl; + unsigned int pwr_ctrl2; + unsigned char res12[0xd8]; + unsigned int apll_con0_l8; /* 0x1001100 */ + unsigned int apll_con0_l7; + unsigned int apll_con0_l6; + unsigned int apll_con0_l5; + unsigned int apll_con0_l4; + unsigned int apll_con0_l3; + unsigned int apll_con0_l2; + unsigned int apll_con0_l1; + unsigned int iem_control; + unsigned char res13[0xdc]; + unsigned int apll_con1_l8; /* 0x10011200 */ + unsigned int apll_con1_l7; + unsigned int apll_con1_l6; + unsigned int apll_con1_l5; + unsigned int apll_con1_l4; + unsigned int apll_con1_l3; + unsigned int apll_con1_l2; + unsigned int apll_con1_l1; + unsigned char res14[0xe0]; + unsigned int clkdiv_iem_l8; + unsigned int clkdiv_iem_l7; /* 0x10011304 */ + unsigned int clkdiv_iem_l6; + unsigned int clkdiv_iem_l5; + unsigned int clkdiv_iem_l4; + unsigned int clkdiv_iem_l3; + unsigned int clkdiv_iem_l2; + unsigned int clkdiv_iem_l1; + unsigned char res15[0xe0]; + unsigned int l2_status; + unsigned char res16[0x0c]; + unsigned int cpu_status; /* 0x10011410 */ + unsigned char res17[0x0c]; + unsigned int ptm_status; + unsigned char res18[0xbdc]; + unsigned int cmu_cpu_spare0; + unsigned int cmu_cpu_spare1; + unsigned int cmu_cpu_spare2; + unsigned int cmu_cpu_spare3; + unsigned int cmu_cpu_spare4; + unsigned char res19[0x1fdc]; + unsigned int cmu_cpu_version; + unsigned char res20[0x20c]; + unsigned int src_cperi0; /* 0x10014200 */ + unsigned int src_cperi1; + unsigned char res21[0xf8]; + unsigned int src_mask_cperi; + unsigned char res22[0x100]; + unsigned int mux_stat_cperi1; + unsigned char res23[0xfc]; + unsigned int div_cperi1; + unsigned char res24[0xfc]; + unsigned int div_stat_cperi1; + unsigned char res25[0xf8]; + unsigned int gate_bus_cperi0; /* 0x10014700 */ + unsigned int gate_bus_cperi1; + unsigned char res26[0xf8]; + unsigned int gate_sclk_cperi; + unsigned char res27[0xfc]; + unsigned int gate_ip_cperi; + unsigned char res28[0xfc]; + unsigned int clkout_cmu_cperi; + unsigned int clkout_cmu_cperi_div_stat; + unsigned char res29[0x5f8]; + unsigned int dcgidx_map0; /* 0x10015000 */ + unsigned int dcgidx_map1; + unsigned int dcgidx_map2; + unsigned char res30[0x14]; + unsigned int dcgperf_map0; + unsigned int dcgperf_map1; + unsigned char res31[0x18]; + unsigned int dvcidx_map; + unsigned char res32[0x1c]; + unsigned int freq_cpu; + unsigned int freq_dpm; + unsigned char res33[0x18]; + unsigned int dvsemclk_en; /* 0x10015080 */ + unsigned int maxperf; + unsigned char res34[0x2e78]; + unsigned int cmu_cperi_spare0; + unsigned int cmu_cperi_spare1; + unsigned int cmu_cperi_spare2; + unsigned int cmu_cperi_spare3; + unsigned int cmu_cperi_spare4; + unsigned int cmu_cperi_spare5; + unsigned int cmu_cperi_spare6; + unsigned int cmu_cperi_spare7; + unsigned int cmu_cperi_spare8; + unsigned char res35[0xcc]; + unsigned int cmu_cperi_version; /* 0x10017ff0 */ + unsigned char res36[0x50c]; + unsigned int div_g2d; + unsigned char res37[0xfc]; + unsigned int div_stat_g2d; + unsigned char res38[0xfc]; + unsigned int gate_bus_g2d; + unsigned char res39[0xfc]; + unsigned int gate_ip_g2d; + unsigned char res40[0x1fc]; + unsigned int clkout_cmu_g2d; + unsigned int clkout_cmu_g2d_div_stat; /* 0x10018a04 */ + unsigned char res41[0xf8]; + unsigned int cmu_g2d_spare0; + unsigned int cmu_g2d_spare1; + unsigned int cmu_g2d_spare2; + unsigned int cmu_g2d_spare3; + unsigned int cmu_g2d_spare4; + unsigned char res42[0x34dc]; + unsigned int cmu_g2d_version; + unsigned char res43[0x30c]; + unsigned int div_cmu_isp0; + unsigned int div_cmu_isp1; + unsigned int div_isp2; /* 0x1001c308 */ + unsigned char res44[0xf4]; + unsigned int div_stat_cmu_isp0; + unsigned int div_stat_cmu_isp1; + unsigned int div_stat_isp2; + unsigned char res45[0x2f4]; + unsigned int gate_bus_isp0; + unsigned int gate_bus_isp1; + unsigned int gate_bus_isp2; + unsigned int gate_bus_isp3; + unsigned char res46[0xf0]; + unsigned int gate_ip_isp0; + unsigned int gate_ip_isp1; + unsigned char res47[0xf8]; + unsigned int gate_sclk_isp; + unsigned char res48[0x0c]; + unsigned int mcuisp_pwr_ctrl; /* 0x1001c910 */ + unsigned char res49[0x0ec]; + unsigned int clkout_cmu_isp; + unsigned int clkout_cmu_isp_div_stat; + unsigned char res50[0xf8]; + unsigned int cmu_isp_spare0; + unsigned int cmu_isp_spare1; + unsigned int cmu_isp_spare2; + unsigned int cmu_isp_spare3; + unsigned char res51[0x34e0]; + unsigned int cmu_isp_version; + unsigned char res52[0x2c]; + unsigned int cpll_lock; /* 10020020 */ + unsigned char res53[0xc]; + unsigned int dpll_lock; + unsigned char res54[0xc]; + unsigned int epll_lock; + unsigned char res55[0xc]; + unsigned int rpll_lock; + unsigned char res56[0xc]; + unsigned int ipll_lock; + unsigned char res57[0xc]; + unsigned int spll_lock; + unsigned char res58[0xc]; + unsigned int vpll_lock; + unsigned char res59[0xc]; + unsigned int mpll_lock; + unsigned char res60[0x8c]; + unsigned int cpll_con0; /* 10020120 */ + unsigned int cpll_con1; + unsigned int dpll_con0; + unsigned int dpll_con1; + unsigned int epll_con0; + unsigned int epll_con1; + unsigned int epll_con2; + unsigned char res601[0x4]; + unsigned int rpll_con0; + unsigned int rpll_con1; + unsigned int rpll_con2; + unsigned char res602[0x4]; + unsigned int ipll_con0; + unsigned int ipll_con1; + unsigned char res61[0x8]; + unsigned int spll_con0; + unsigned int spll_con1; + unsigned char res62[0x8]; + unsigned int vpll_con0; + unsigned int vpll_con1; + unsigned char res63[0x8]; + unsigned int mpll_con0; + unsigned int mpll_con1; + unsigned char res64[0x78]; + unsigned int src_top0; /* 0x10020200 */ + unsigned int src_top1; + unsigned int src_top2; + unsigned int src_top3; + unsigned int src_top4; + unsigned int src_top5; + unsigned int src_top6; + unsigned int src_top7; + unsigned char res65[0xc]; + unsigned int src_disp10; /* 0x1002022c */ + unsigned char res66[0x10]; + unsigned int src_mau; + unsigned int src_fsys; + unsigned char res67[0x8]; + unsigned int src_peric0; + unsigned int src_peric1; + unsigned char res68[0x18]; + unsigned int src_isp; + unsigned char res69[0x0c]; + unsigned int src_top10; + unsigned int src_top11; + unsigned int src_top12; + unsigned char res70[0x74]; + unsigned int src_mask_top0; + unsigned int src_mask_top1; + unsigned int src_mask_top2; + unsigned char res71[0x10]; + unsigned int src_mask_top7; + unsigned char res72[0xc]; + unsigned int src_mask_disp10; /* 0x1002032c */ + unsigned char res73[0x4]; + unsigned int src_mask_mau; + unsigned char res74[0x8]; + unsigned int src_mask_fsys; + unsigned char res75[0xc]; + unsigned int src_mask_peric0; + unsigned int src_mask_peric1; + unsigned char res76[0x18]; + unsigned int src_mask_isp; + unsigned char res77[0x8c]; + unsigned int mux_stat_top0; /* 0x10020400 */ + unsigned int mux_stat_top1; + unsigned int mux_stat_top2; + unsigned int mux_stat_top3; + unsigned int mux_stat_top4; + unsigned int mux_stat_top5; + unsigned int mux_stat_top6; + unsigned int mux_stat_top7; + unsigned char res78[0x60]; + unsigned int mux_stat_top10; + unsigned int mux_stat_top11; + unsigned int mux_stat_top12; + unsigned char res79[0x74]; + unsigned int div_top0; /* 0x10020500 */ + unsigned int div_top1; + unsigned int div_top2; + unsigned char res80[0x20]; + unsigned int div_disp10; + unsigned char res81[0x14]; + unsigned int div_mau; + unsigned int div_fsys0; + unsigned int div_fsys1; + unsigned int div_fsys2; + unsigned char res82[0x4]; + unsigned int div_peric0; + unsigned int div_peric1; + unsigned int div_peric2; + unsigned int div_peric3; + unsigned int div_peric4; /* 0x10020568 */ + unsigned char res83[0x14]; + unsigned int div_isp0; + unsigned int div_isp1; + unsigned char res84[0x8]; + unsigned int clkdiv2_ratio; + unsigned char res850[0xc]; + unsigned int clkdiv4_ratio; + unsigned char res85[0x5c]; + unsigned int div_stat_top0; + unsigned int div_stat_top1; + unsigned int div_stat_top2; + unsigned char res86[0x20]; + unsigned int div_stat_disp10; + unsigned char res87[0x14]; + unsigned int div_stat_mau; /* 0x10020644 */ + unsigned int div_stat_fsys0; + unsigned int div_stat_fsys1; + unsigned int div_stat_fsys2; + unsigned char res88[0x4]; + unsigned int div_stat_peric0; + unsigned int div_stat_peric1; + unsigned int div_stat_peric2; + unsigned int div_stat_peric3; + unsigned int div_stat_peric4; + unsigned char res89[0x14]; + unsigned int div_stat_isp0; + unsigned int div_stat_isp1; + unsigned char res90[0x8]; + unsigned int clkdiv2_stat0; + unsigned char res91[0xc]; + unsigned int clkdiv4_stat; + unsigned char res92[0x5c]; + unsigned int gate_bus_top; /* 0x10020700 */ + unsigned char res93[0xc]; + unsigned int gate_bus_gscl0; + unsigned char res94[0xc]; + unsigned int gate_bus_gscl1; + unsigned char res95[0x4]; + unsigned int gate_bus_disp1; + unsigned char res96[0x4]; + unsigned int gate_bus_wcore; + unsigned int gate_bus_mfc; + unsigned int gate_bus_g3d; + unsigned int gate_bus_gen; + unsigned int gate_bus_fsys0; + unsigned int gate_bus_fsys1; + unsigned int gate_bus_fsys2; + unsigned int gate_bus_mscl; + unsigned int gate_bus_peric; + unsigned int gate_bus_peric1; + unsigned char res97[0x8]; + unsigned int gate_bus_peris0; + unsigned int gate_bus_peris1; /* 0x10020764 */ + unsigned char res98[0x8]; + unsigned int gate_bus_noc; + unsigned char res99[0xac]; + unsigned int gate_top_sclk_gscl; + unsigned char res1000[0x4]; + unsigned int gate_top_sclk_disp1; + unsigned char res100[0x10]; + unsigned int gate_top_sclk_mau; + unsigned int gate_top_sclk_fsys; + unsigned char res101[0xc]; + unsigned int gate_top_sclk_peric; + unsigned char res102[0xc]; + unsigned int gate_top_sclk_cperi; + unsigned char res103[0xc]; + unsigned int gate_top_sclk_isp; + unsigned char res104[0x9c]; + unsigned int gate_ip_gscl0; + unsigned char res105[0xc]; + unsigned int gate_ip_gscl1; + unsigned char res106[0x4]; + unsigned int gate_ip_disp1; + unsigned int gate_ip_mfc; + unsigned int gate_ip_g3d; + unsigned int gate_ip_gen; /* 0x10020934 */ + unsigned char res107[0xc]; + unsigned int gate_ip_fsys; + unsigned char res108[0x8]; + unsigned int gate_ip_peric; + unsigned char res109[0xc]; + unsigned int gate_ip_peris; + unsigned char res110[0xc]; + unsigned int gate_ip_mscl; + unsigned char res111[0xc]; + unsigned int gate_ip_block; + unsigned char res112[0xc]; + unsigned int bypass; + unsigned char res113[0x6c]; + unsigned int clkout_cmu_top; + unsigned int clkout_cmu_top_div_stat; + unsigned char res114[0xf8]; + unsigned int clkout_top_spare0; + unsigned int clkout_top_spare1; + unsigned int clkout_top_spare2; + unsigned int clkout_top_spare3; + unsigned char res115[0x34e0]; + unsigned int clkout_top_version; + unsigned char res116[0xc01c]; + unsigned int bpll_lock; /* 0x10030010 */ + unsigned char res117[0xfc]; + unsigned int bpll_con0; + unsigned int bpll_con1; + unsigned char res118[0xe8]; + unsigned int src_cdrex; + unsigned char res119[0x1fc]; + unsigned int mux_stat_cdrex; + unsigned char res120[0xfc]; + unsigned int div_cdrex0; + unsigned int div_cdrex1; + unsigned char res121[0xf8]; + unsigned int div_stat_cdrex; + unsigned char res1211[0xfc]; + unsigned int gate_bus_cdrex; + unsigned int gate_bus_cdrex1; + unsigned char res122[0x1f8]; + unsigned int gate_ip_cdrex; + unsigned char res123[0x10]; + unsigned int dmc_freq_ctrl; /* 0x10030914 */ + unsigned char res124[0x4]; + unsigned int pause; + unsigned int ddrphy_lock_ctrl; + unsigned char res125[0xdc]; + unsigned int clkout_cmu_cdrex; + unsigned int clkout_cmu_cdrex_div_stat; + unsigned char res126[0x8]; + unsigned int lpddr3phy_ctrl; + unsigned int lpddr3phy_con0; + unsigned int lpddr3phy_con1; + unsigned int lpddr3phy_con2; + unsigned int lpddr3phy_con3; + unsigned int lpddr3phy_con4; + unsigned int lpddr3phy_con5; /* 0x10030a28 */ + unsigned int pll_div2_sel; + unsigned char res127[0xd0]; + unsigned int cmu_cdrex_spare0; + unsigned int cmu_cdrex_spare1; + unsigned int cmu_cdrex_spare2; + unsigned int cmu_cdrex_spare3; + unsigned int cmu_cdrex_spare4; + unsigned char res128[0x34dc]; + unsigned int cmu_cdrex_version; /* 0x10033ff0 */ + unsigned char res129[0x400c]; + unsigned int kpll_lock; + unsigned char res130[0xfc]; + unsigned int kpll_con0; + unsigned int kpll_con1; + unsigned char res131[0xf8]; + unsigned int src_kfc; + unsigned char res132[0x1fc]; + unsigned int mux_stat_kfc; /* 0x10038400 */ + unsigned char res133[0xfc]; + unsigned int div_kfc0; + unsigned char res134[0xfc]; + unsigned int div_stat_kfc0; + unsigned char res135[0xfc]; + unsigned int gate_bus_cpu_kfc; + unsigned char res136[0xfc]; + unsigned int gate_sclk_cpu_kfc; + unsigned char res137[0x1fc]; + unsigned int clkout_cmu_kfc; + unsigned int clkout_cmu_kfc_div_stat; /* 0x10038a04 */ + unsigned char res138[0x5f8]; + unsigned int armclk_stopctrl_kfc; + unsigned char res139[0x4]; + unsigned int armclk_ema_ctrl_kfc; + unsigned int armclk_ema_status_kfc; + unsigned char res140[0x10]; + unsigned int pwr_ctrl_kfc; + unsigned int pwr_ctrl2_kfc; + unsigned char res141[0xd8]; + unsigned int kpll_con0_l8; + unsigned int kpll_con0_l7; + unsigned int kpll_con0_l6; + unsigned int kpll_con0_l5; + unsigned int kpll_con0_l4; + unsigned int kpll_con0_l3; + unsigned int kpll_con0_l2; + unsigned int kpll_con0_l1; + unsigned int iem_control_kfc; /* 0x10039120 */ + unsigned char res142[0xdc]; + unsigned int kpll_con1_l8; + unsigned int kpll_con1_l7; + unsigned int kpll_con1_l6; + unsigned int kpll_con1_l5; + unsigned int kpll_con1_l4; + unsigned int kpll_con1_l3; + unsigned int kpll_con1_l2; + unsigned int kpll_con1_l1; + unsigned char res143[0xe0]; + unsigned int clkdiv_iem_l8_kfc; /* 0x10039300 */ + unsigned int clkdiv_iem_l7_kfc; + unsigned int clkdiv_iem_l6_kfc; + unsigned int clkdiv_iem_l5_kfc; + unsigned int clkdiv_iem_l4_kfc; + unsigned int clkdiv_iem_l3_kfc; + unsigned int clkdiv_iem_l2_kfc; + unsigned int clkdiv_iem_l1_kfc; + unsigned char res144[0xe0]; + unsigned int l2_status_kfc; + unsigned char res145[0xc]; + unsigned int cpu_status_kfc; /* 0x10039410 */ + unsigned char res146[0xc]; + unsigned int ptm_status_kfc; + unsigned char res147[0xbdc]; + unsigned int cmu_kfc_spare0; + unsigned int cmu_kfc_spare1; + unsigned int cmu_kfc_spare2; + unsigned int cmu_kfc_spare3; + unsigned int cmu_kfc_spare4; + unsigned char res148[0x1fdc]; + unsigned int cmu_kfc_version; /* 0x1003bff0 */ +}; + /* structure for epll configuration used in audio clock configuration */ struct set_epll_con_val { unsigned int freq_out; /* frequency out */

Adds code in pinmux and gpio framework to support Exynos5420.

Signed-off-by: Naveen Krishna Chatradhi ch.naveen@samsung.com Signed-off-by: Akshay Saraswat akshay.s@samsung.com Signed-off-by: Rajeshwari S Shinde rajeshwari.s@samsung.com Acked-by: Simon Glass sjg@chromium.org --- Changes in V2: - None Changes in V3: - None Changes in V4: - Added correct calculation of gpio based addresses. Changes in V5: - None arch/arm/cpu/armv7/exynos/pinmux.c | 245 +++++++++++++++++++++++++++++- arch/arm/include/asm/arch-exynos/gpio.h | 143 +++++++++++++++-- arch/arm/include/asm/arch-exynos/periph.h | 3 + 3 files changed, 374 insertions(+), 17 deletions(-)

diff --git a/arch/arm/cpu/armv7/exynos/pinmux.c b/arch/arm/cpu/armv7/exynos/pinmux.c index 1b05ebf..e7bc9d0 100644 --- a/arch/arm/cpu/armv7/exynos/pinmux.c +++ b/arch/arm/cpu/armv7/exynos/pinmux.c @@ -46,6 +46,41 @@ static void exynos5_uart_config(int peripheral) } }

+static void exynos5420_uart_config(int peripheral) +{ + struct exynos5420_gpio_part1 *gpio1 = + (struct exynos5420_gpio_part1 *)samsung_get_base_gpio_part1(); + struct s5p_gpio_bank *bank; + int i, start, count; + + switch (peripheral) { + case PERIPH_ID_UART0: + bank = &gpio1->a0; + start = 0; + count = 4; + break; + case PERIPH_ID_UART1: + bank = &gpio1->a0; + start = 4; + count = 4; + break; + case PERIPH_ID_UART2: + bank = &gpio1->a1; + start = 0; + count = 4; + break; + case PERIPH_ID_UART3: + bank = &gpio1->a1; + start = 4; + count = 2; + break; + } + for (i = start; i < start + count; i++) { + s5p_gpio_set_pull(bank, i, GPIO_PULL_NONE); + s5p_gpio_cfg_pin(bank, i, GPIO_FUNC(0x2)); + } +} + static int exynos5_mmc_config(int peripheral, int flags) { struct exynos5_gpio_part1 *gpio1 = @@ -101,6 +136,70 @@ static int exynos5_mmc_config(int peripheral, int flags) return 0; }

+static int exynos5420_mmc_config(int peripheral, int flags) +{ + struct exynos5420_gpio_part3 *gpio3 = + (struct exynos5420_gpio_part3 *)samsung_get_base_gpio_part3(); + struct s5p_gpio_bank *bank = NULL, *bank_ext = NULL; + int i, start = 0, gpio_func = 0; + + switch (peripheral) { + case PERIPH_ID_SDMMC0: + bank = &gpio3->c0; + bank_ext = &gpio3->c3; + start = 0; + gpio_func = GPIO_FUNC(0x2); + break; + case PERIPH_ID_SDMMC1: + bank = &gpio3->c1; + bank_ext = &gpio3->d1; + start = 4; + gpio_func = GPIO_FUNC(0x2); + break; + case PERIPH_ID_SDMMC2: + bank = &gpio3->c2; + bank_ext = NULL; + gpio_func = GPIO_FUNC(0x2); + break; + } + if ((flags & PINMUX_FLAG_8BIT_MODE) && !bank_ext) { + debug("SDMMC device %d does not support 8bit mode", + peripheral); + return -1; + } + if (flags & PINMUX_FLAG_8BIT_MODE) { + for (i = start; i <= (start + 3); i++) { + s5p_gpio_cfg_pin(bank_ext, i, gpio_func); + s5p_gpio_set_pull(bank_ext, i, GPIO_PULL_UP); + s5p_gpio_set_drv(bank_ext, i, GPIO_DRV_4X); + } + } + for (i = 0; i < 3; i++) { + /* + * MMC0 is intended to be used for eMMC. The + * card detect pin is used as a VDDEN signal to + * power on the eMMC. The 5420 iROM makes + * this same assumption. + */ + if ((peripheral == PERIPH_ID_SDMMC0) && (i == 2)) { + s5p_gpio_set_value(bank, i, 1); + s5p_gpio_cfg_pin(bank, i, GPIO_OUTPUT); + } else { + s5p_gpio_cfg_pin(bank, i, GPIO_FUNC(0x2)); + } + s5p_gpio_set_pull(bank, i, GPIO_PULL_NONE); + s5p_gpio_set_drv(bank, i, GPIO_DRV_4X); + } + + for (i = 3; i <= 6; i++) { + s5p_gpio_cfg_pin(bank, i, GPIO_FUNC(0x2)); + s5p_gpio_set_pull(bank, i, GPIO_PULL_UP); + s5p_gpio_set_drv(bank, i, GPIO_DRV_4X); + } + + return 0; +} + static void exynos5_sromc_config(int flags) { struct exynos5_gpio_part1 *gpio1 = @@ -216,6 +315,59 @@ static void exynos5_i2c_config(int peripheral, int flags) } }

+static void exynos5420_i2c_config(int peripheral) +{ + struct exynos5420_gpio_part1 *gpio1 = + (struct exynos5420_gpio_part1 *)samsung_get_base_gpio_part1(); + + switch (peripheral) { + case PERIPH_ID_I2C0: + s5p_gpio_cfg_pin(&gpio1->b3, 0, GPIO_FUNC(0x2)); + s5p_gpio_cfg_pin(&gpio1->b3, 1, GPIO_FUNC(0x2)); + break; + case PERIPH_ID_I2C1: + s5p_gpio_cfg_pin(&gpio1->b3, 2, GPIO_FUNC(0x2)); + s5p_gpio_cfg_pin(&gpio1->b3, 3, GPIO_FUNC(0x2)); + break; + case PERIPH_ID_I2C2: + s5p_gpio_cfg_pin(&gpio1->a0, 6, GPIO_FUNC(0x3)); + s5p_gpio_cfg_pin(&gpio1->a0, 7, GPIO_FUNC(0x3)); + break; + case PERIPH_ID_I2C3: + s5p_gpio_cfg_pin(&gpio1->a1, 2, GPIO_FUNC(0x3)); + s5p_gpio_cfg_pin(&gpio1->a1, 3, GPIO_FUNC(0x3)); + break; + case PERIPH_ID_I2C4: + s5p_gpio_cfg_pin(&gpio1->a2, 0, GPIO_FUNC(0x3)); + s5p_gpio_cfg_pin(&gpio1->a2, 1, GPIO_FUNC(0x3)); + break; + case PERIPH_ID_I2C5: + s5p_gpio_cfg_pin(&gpio1->a2, 2, GPIO_FUNC(0x3)); + s5p_gpio_cfg_pin(&gpio1->a2, 3, GPIO_FUNC(0x3)); + break; + case PERIPH_ID_I2C6: + s5p_gpio_cfg_pin(&gpio1->b1, 3, GPIO_FUNC(0x4)); + s5p_gpio_cfg_pin(&gpio1->b1, 4, GPIO_FUNC(0x4)); + break; + case PERIPH_ID_I2C7: + s5p_gpio_cfg_pin(&gpio1->b2, 2, GPIO_FUNC(0x3)); + s5p_gpio_cfg_pin(&gpio1->b2, 3, GPIO_FUNC(0x3)); + break; + case PERIPH_ID_I2C8: + s5p_gpio_cfg_pin(&gpio1->b3, 4, GPIO_FUNC(0x2)); + s5p_gpio_cfg_pin(&gpio1->b3, 5, GPIO_FUNC(0x2)); + break; + case PERIPH_ID_I2C9: + s5p_gpio_cfg_pin(&gpio1->b3, 6, GPIO_FUNC(0x2)); + s5p_gpio_cfg_pin(&gpio1->b3, 7, GPIO_FUNC(0x2)); + break; + case PERIPH_ID_I2C10: + s5p_gpio_cfg_pin(&gpio1->b4, 0, GPIO_FUNC(0x2)); + s5p_gpio_cfg_pin(&gpio1->b4, 1, GPIO_FUNC(0x2)); + break; + } +} + static void exynos5_i2s_config(int peripheral) { int i; @@ -269,6 +421,49 @@ void exynos5_spi_config(int peripheral) } }

+void exynos5420_spi_config(int peripheral) +{ + int cfg = 0, pin = 0, i; + struct s5p_gpio_bank *bank = NULL; + struct exynos5420_gpio_part1 *gpio1 = + (struct exynos5420_gpio_part1 *)samsung_get_base_gpio_part1(); + struct exynos5420_gpio_part4 *gpio4 = + (struct exynos5420_gpio_part4 *)samsung_get_base_gpio_part4(); + + switch (peripheral) { + case PERIPH_ID_SPI0: + bank = &gpio1->a2; + cfg = GPIO_FUNC(0x2); + pin = 0; + break; + case PERIPH_ID_SPI1: + bank = &gpio1->a2; + cfg = GPIO_FUNC(0x2); + pin = 4; + break; + case PERIPH_ID_SPI2: + bank = &gpio1->b1; + cfg = GPIO_FUNC(0x5); + pin = 1; + break; + case PERIPH_ID_SPI3: + bank = &gpio4->f1; + cfg = GPIO_FUNC(0x2); + pin = 0; + break; + case PERIPH_ID_SPI4: + for (i = 0; i < 2; i++) { + s5p_gpio_cfg_pin(&gpio4->f0, i + 2, GPIO_FUNC(0x4)); + s5p_gpio_cfg_pin(&gpio4->e0, i + 4, GPIO_FUNC(0x4)); + } + break; + } + if (peripheral != PERIPH_ID_SPI4) { + for (i = pin; i < pin + 4; i++) + s5p_gpio_cfg_pin(bank, i, cfg); + } +} + static int exynos5_pinmux_config(int peripheral, int flags) { switch (peripheral) { @@ -314,6 +509,48 @@ static int exynos5_pinmux_config(int peripheral, int flags) return 0; }

+static int exynos5420_pinmux_config(int peripheral, int flags) +{ + switch (peripheral) { + case PERIPH_ID_UART0: + case PERIPH_ID_UART1: + case PERIPH_ID_UART2: + case PERIPH_ID_UART3: + exynos5420_uart_config(peripheral); + break; + case PERIPH_ID_SDMMC0: + case PERIPH_ID_SDMMC1: + case PERIPH_ID_SDMMC2: + case PERIPH_ID_SDMMC3: + return exynos5420_mmc_config(peripheral, flags); + case PERIPH_ID_SPI0: + case PERIPH_ID_SPI1: + case PERIPH_ID_SPI2: + case PERIPH_ID_SPI3: + case PERIPH_ID_SPI4: + exynos5420_spi_config(peripheral); + break; + case PERIPH_ID_I2C0: + case PERIPH_ID_I2C1: + case PERIPH_ID_I2C2: + case PERIPH_ID_I2C3: + case PERIPH_ID_I2C4: + case PERIPH_ID_I2C5: + case PERIPH_ID_I2C6: + case PERIPH_ID_I2C7: + case PERIPH_ID_I2C8: + case PERIPH_ID_I2C9: + case PERIPH_ID_I2C10: + exynos5420_i2c_config(peripheral); + break; + default: + debug("%s: invalid peripheral %d", __func__, peripheral); + return -1; + } + + return 0; +} + static void exynos4_i2c_config(int peripheral, int flags) { struct exynos4_gpio_part1 *gpio1 = @@ -463,11 +700,13 @@ static int exynos4_pinmux_config(int peripheral, int flags)

int exynos_pinmux_config(int peripheral, int flags) { - if (cpu_is_exynos5()) + if (proid_is_exynos5420()) { + return exynos5420_pinmux_config(peripheral, flags); + } else if (proid_is_exynos5250()) { return exynos5_pinmux_config(peripheral, flags); - else if (cpu_is_exynos4()) + } else if (cpu_is_exynos4()) { return exynos4_pinmux_config(peripheral, flags); - else { + } else { debug("pinmux functionality not supported\n"); return -1; } diff --git a/arch/arm/include/asm/arch-exynos/gpio.h b/arch/arm/include/asm/arch-exynos/gpio.h index a1a7439..2a19852 100644 --- a/arch/arm/include/asm/arch-exynos/gpio.h +++ b/arch/arm/include/asm/arch-exynos/gpio.h @@ -127,6 +127,58 @@ struct exynos4x12_gpio_part4 { struct s5p_gpio_bank v4; };

+struct exynos5420_gpio_part1 { + struct s5p_gpio_bank a0; + struct s5p_gpio_bank a1; + struct s5p_gpio_bank a2; + struct s5p_gpio_bank b0; + struct s5p_gpio_bank b1; + struct s5p_gpio_bank b2; + struct s5p_gpio_bank b3; + struct s5p_gpio_bank b4; + struct s5p_gpio_bank h0; +}; + +struct exynos5420_gpio_part2 { + struct s5p_gpio_bank y7; /* 0x1340_0000 */ + struct s5p_gpio_bank res[0x5f]; /* */ + struct s5p_gpio_bank x0; /* 0x1340_0C00 */ + struct s5p_gpio_bank x1; /* 0x1340_0C20 */ + struct s5p_gpio_bank x2; /* 0x1340_0C40 */ + struct s5p_gpio_bank x3; /* 0x1340_0C60 */ +}; + +struct exynos5420_gpio_part3 { + struct s5p_gpio_bank c0; + struct s5p_gpio_bank c1; + struct s5p_gpio_bank c2; + struct s5p_gpio_bank c3; + struct s5p_gpio_bank c4; + struct s5p_gpio_bank d1; + struct s5p_gpio_bank y0; + struct s5p_gpio_bank y1; + struct s5p_gpio_bank y2; + struct s5p_gpio_bank y3; + struct s5p_gpio_bank y4; + struct s5p_gpio_bank y5; + struct s5p_gpio_bank y6; +}; + +struct exynos5420_gpio_part4 { + struct s5p_gpio_bank e0; /* 0x1400_0000 */ + struct s5p_gpio_bank e1; /* 0x1400_0020 */ + struct s5p_gpio_bank f0; /* 0x1400_0040 */ + struct s5p_gpio_bank f1; /* 0x1400_0060 */ + struct s5p_gpio_bank g0; /* 0x1400_0080 */ + struct s5p_gpio_bank g1; /* 0x1400_00A0 */ + struct s5p_gpio_bank g2; /* 0x1400_00C0 */ + struct s5p_gpio_bank j4; /* 0x1400_00E0 */ +}; + +struct exynos5420_gpio_part5 { + struct s5p_gpio_bank z0; /* 0x0386_0000 */ +}; + struct exynos5_gpio_part1 { struct s5p_gpio_bank a0; struct s5p_gpio_bank a1; @@ -259,16 +311,67 @@ void s5p_gpio_set_rate(struct s5p_gpio_bank *bank, int gpio, int mode); - EXYNOS5_GPIO_PART3_BASE) / sizeof(struct s5p_gpio_bank)) \ * GPIO_PER_BANK) + pin) + EXYNOS5_GPIO_PART2_MAX)

+ +/* EXYNOS5420 */ +#define exynos5420_gpio_part1_get_nr(bank, pin) \ + ((((((unsigned int) &(((struct exynos5420_gpio_part1 *)\ + EXYNOS5420_GPIO_PART1_BASE)->bank)) \ + - EXYNOS5420_GPIO_PART1_BASE) / sizeof(struct s5p_gpio_bank)) \ + * GPIO_PER_BANK) + pin) + +#define EXYNOS5420_GPIO_PART1_MAX ((sizeof(struct exynos5420_gpio_part1) \ + / sizeof(struct s5p_gpio_bank)) * GPIO_PER_BANK) + +#define exynos5420_gpio_part2_get_nr(bank, pin) \ + (((((((unsigned int) &(((struct exynos5420_gpio_part2 *)\ + EXYNOS5420_GPIO_PART2_BASE)->bank)) \ + - EXYNOS5420_GPIO_PART2_BASE) / sizeof(struct s5p_gpio_bank)) \ + * GPIO_PER_BANK) + pin) + EXYNOS5420_GPIO_PART1_MAX) + +#define EXYNOS5420_GPIO_PART2_MAX ((sizeof(struct exynos5420_gpio_part2) \ + / sizeof(struct s5p_gpio_bank)) * GPIO_PER_BANK) + +#define exynos5420_gpio_part3_get_nr(bank, pin) \ + (((((((unsigned int) &(((struct exynos5420_gpio_part3 *)\ + EXYNOS5420_GPIO_PART3_BASE)->bank)) \ + - EXYNOS5420_GPIO_PART3_BASE) / sizeof(struct s5p_gpio_bank)) \ + * GPIO_PER_BANK) + pin) + EXYNOS5420_GPIO_PART2_MAX) + +#define EXYNOS5420_GPIO_PART3_MAX ((sizeof(struct exynos5420_gpio_part3) \ + / sizeof(struct s5p_gpio_bank)) * GPIO_PER_BANK) + +#define exynos5420_gpio_part4_get_nr(bank, pin) \ + (((((((unsigned int) &(((struct exynos5420_gpio_part4 *)\ + EXYNOS5420_GPIO_PART4_BASE)->bank)) \ + - EXYNOS5420_GPIO_PART4_BASE) / sizeof(struct s5p_gpio_bank)) \ + * GPIO_PER_BANK) + pin) + EXYNOS5420_GPIO_PART3_MAX) + +#define EXYNOS5420_GPIO_PART4_MAX ((sizeof(struct exynos5420_gpio_part4) \ + / sizeof(struct s5p_gpio_bank)) * GPIO_PER_BANK) + +#define EXYNOS5420_GPIO_PART5_MAX ((sizeof(struct exynos5420_gpio_part5) \ + / sizeof(struct s5p_gpio_bank)) * GPIO_PER_BANK) + static inline unsigned int s5p_gpio_base(int nr) { if (cpu_is_exynos5()) { - if (nr < EXYNOS5_GPIO_PART1_MAX) - return EXYNOS5_GPIO_PART1_BASE; - else if (nr < EXYNOS5_GPIO_PART2_MAX) - return EXYNOS5_GPIO_PART2_BASE; - else - return EXYNOS5_GPIO_PART3_BASE; - + if (proid_is_exynos5420()) { + if (nr < EXYNOS5420_GPIO_PART1_MAX) + return EXYNOS5420_GPIO_PART1_BASE; + else if (nr < EXYNOS5420_GPIO_PART2_MAX) + return EXYNOS5420_GPIO_PART2_BASE; + else if (nr < EXYNOS5420_GPIO_PART3_MAX) + return EXYNOS5420_GPIO_PART3_BASE; + else + return EXYNOS5420_GPIO_PART4_BASE; + } else { + if (nr < EXYNOS5_GPIO_PART1_MAX) + return EXYNOS5_GPIO_PART1_BASE; + else if (nr < EXYNOS5_GPIO_PART2_MAX) + return EXYNOS5_GPIO_PART2_BASE; + else + return EXYNOS5_GPIO_PART3_BASE; + } } else if (cpu_is_exynos4()) { if (nr < EXYNOS4_GPIO_PART1_MAX) return EXYNOS4_GPIO_PART1_BASE; @@ -282,13 +385,25 @@ static inline unsigned int s5p_gpio_base(int nr) static inline unsigned int s5p_gpio_part_max(int nr) { if (cpu_is_exynos5()) { - if (nr < EXYNOS5_GPIO_PART1_MAX) - return 0; - else if (nr < EXYNOS5_GPIO_PART2_MAX) - return EXYNOS5_GPIO_PART1_MAX; - else - return EXYNOS5_GPIO_PART2_MAX; - + if (proid_is_exynos5420()) { + if (nr < EXYNOS5420_GPIO_PART1_MAX) + return 0; + else if (nr < EXYNOS5420_GPIO_PART2_MAX) + return EXYNOS5420_GPIO_PART1_MAX; + else if (nr < EXYNOS5420_GPIO_PART3_MAX) + return EXYNOS5420_GPIO_PART2_MAX; + else if (nr < EXYNOS5420_GPIO_PART4_MAX) + return EXYNOS5420_GPIO_PART3_MAX; + else + return EXYNOS5420_GPIO_PART4_MAX; + } else { + if (nr < EXYNOS5_GPIO_PART1_MAX) + return 0; + else if (nr < EXYNOS5_GPIO_PART2_MAX) + return EXYNOS5_GPIO_PART1_MAX; + else + return EXYNOS5_GPIO_PART2_MAX; + } } else if (cpu_is_exynos4()) { if (proid_is_exynos4412()) { if (nr < EXYNOS4X12_GPIO_PART1_MAX) diff --git a/arch/arm/include/asm/arch-exynos/periph.h b/arch/arm/include/asm/arch-exynos/periph.h index 9952155..15988ac 100644 --- a/arch/arm/include/asm/arch-exynos/periph.h +++ b/arch/arm/include/asm/arch-exynos/periph.h @@ -34,6 +34,9 @@ enum periph_id { PERIPH_ID_SDMMC1, PERIPH_ID_SDMMC2, PERIPH_ID_SDMMC3, + PERIPH_ID_I2C8 = 87, + PERIPH_ID_I2C9, + PERIPH_ID_I2C10 = 203, PERIPH_ID_I2S1 = 99,

/* Since following peripherals do

Adding initial config for SMDK5420 to build and boot U-Boot over Exynos based SMDK5420.

Signed-off-by: Rajeshwari S Shinde rajeshwari.s@samsung.com Signed-off-by: Akshay Saraswat akshay.s@samsung.com Acked-by: Simon Glass sjg@chromium.org --- Changes in V2: - None Changes in V3: - None Changes in V4: - Created a common exynos5-dt.h Changes in V5: - None include/configs/exynos5-dt.h | 302 +++++++++++++++++++++++++++++++++++++ include/configs/exynos5250-dt.h | 319 +--------------------------------------- include/configs/smdk5420.h | 49 ++++++ 3 files changed, 359 insertions(+), 311 deletions(-) create mode 100644 include/configs/exynos5-dt.h create mode 100644 include/configs/smdk5420.h

diff --git a/include/configs/exynos5-dt.h b/include/configs/exynos5-dt.h new file mode 100644 index 0000000..fa6bb89 --- /dev/null +++ b/include/configs/exynos5-dt.h @@ -0,0 +1,302 @@ +/* + * Copyright (C) 2013 Samsung Electronics + * + * Configuration settings for the SAMSUNG EXYNOS5 board. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +/* High Level Configuration Options */ +#define CONFIG_SAMSUNG /* in a SAMSUNG core */ +#define CONFIG_S5P /* S5P Family */ +#define CONFIG_EXYNOS5 /* which is in a Exynos5 Family */ + +#include <asm/arch/cpu.h> /* get chip and board defs */ + +#define CONFIG_SYS_GENERIC_BOARD +#define CONFIG_ARCH_CPU_INIT +#define CONFIG_DISPLAY_CPUINFO +#define CONFIG_DISPLAY_BOARDINFO +#define CONFIG_BOARD_COMMON +#define CONFIG_ARCH_EARLY_INIT_R + +/* Enable fdt support for Exynos5250 */ +#define CONFIG_OF_CONTROL +#define CONFIG_OF_SEPARATE + +/* Allow tracing to be enabled */ +#define CONFIG_TRACE +#define CONFIG_CMD_TRACE +#define CONFIG_TRACE_BUFFER_SIZE (16 << 20) +#define CONFIG_TRACE_EARLY_SIZE (8 << 20) +#define CONFIG_TRACE_EARLY +#define CONFIG_TRACE_EARLY_ADDR 0x50000000 + +/* Keep L2 Cache Disabled */ +#define CONFIG_SYS_DCACHE_OFF + +/* Enable ACE acceleration for SHA1 and SHA256 */ +#define CONFIG_EXYNOS_ACE_SHA +#define CONFIG_SHA_HW_ACCEL + + +/* input clock of PLL: SMDK5250 has 24MHz input clock */ +#define CONFIG_SYS_CLK_FREQ 24000000 + +#define CONFIG_SETUP_MEMORY_TAGS +#define CONFIG_CMDLINE_TAG +#define CONFIG_INITRD_TAG +#define CONFIG_CMDLINE_EDITING + + +/* Power Down Modes */ +#define S5P_CHECK_SLEEP 0x00000BAD +#define S5P_CHECK_DIDLE 0xBAD00000 +#define S5P_CHECK_LPA 0xABAD0000 + +/* Offset for inform registers */ +#define INFORM0_OFFSET 0x800 +#define INFORM1_OFFSET 0x804 +#define INFORM2_OFFSET 0x808 +#define INFORM3_OFFSET 0x80c + +/* Size of malloc() pool */ +#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (4 << 20)) + +/* select serial console configuration */ +#define CONFIG_BAUDRATE 115200 +#define EXYNOS5_DEFAULT_UART_OFFSET 0x010000 +#define CONFIG_SILENT_CONSOLE + +/* Enable keyboard */ +#define CONFIG_CROS_EC /* CROS_EC protocol */ +#define CONFIG_CROS_EC_SPI /* Support CROS_EC over SPI */ +#define CONFIG_CROS_EC_I2C /* Support CROS_EC over I2C */ +#define CONFIG_CROS_EC_KEYB /* CROS_EC keyboard input */ +#define CONFIG_CMD_CROS_EC +#define CONFIG_KEYBOARD + +/* Console configuration */ +#define CONFIG_CONSOLE_MUX +#define CONFIG_SYS_CONSOLE_IS_IN_ENV +#define EXYNOS_DEVICE_SETTINGS \ + "stdin=serial,cros-ec-keyb\0" \ + "stdout=serial,lcd\0" \ + "stderr=serial,lcd\0" + +#define CONFIG_EXTRA_ENV_SETTINGS \ + EXYNOS_DEVICE_SETTINGS + +/* SD/MMC configuration */ +#define CONFIG_GENERIC_MMC +#define CONFIG_MMC +#define CONFIG_SDHCI +#define CONFIG_S5P_SDHCI +#define CONFIG_DWMMC +#define CONFIG_EXYNOS_DWMMC +#define CONFIG_SUPPORT_EMMC_BOOT + + +#define CONFIG_BOARD_EARLY_INIT_F +#define CONFIG_SKIP_LOWLEVEL_INIT + +/* PWM */ +#define CONFIG_PWM + +/* allow to overwrite serial and ethaddr */ +#define CONFIG_ENV_OVERWRITE + +/* Command definition*/ +#include <config_cmd_default.h> + +#define CONFIG_CMD_PING +#define CONFIG_CMD_ELF +#define CONFIG_CMD_MMC +#define CONFIG_CMD_EXT2 +#define CONFIG_CMD_FAT +#define CONFIG_CMD_NET +#define CONFIG_CMD_HASH + +#define CONFIG_BOOTDELAY 3 +#define CONFIG_ZERO_BOOTDELAY_CHECK + +/* Thermal Management Unit */ +#define CONFIG_EXYNOS_TMU +#define CONFIG_CMD_DTT +#define CONFIG_TMU_CMD_DTT + +/* USB */ +#define CONFIG_CMD_USB +#define CONFIG_USB_EHCI +#define CONFIG_USB_EHCI_EXYNOS +#define CONFIG_USB_STORAGE + +/* USB boot mode */ +#define CONFIG_USB_BOOTING +#define EXYNOS_COPY_USB_FNPTR_ADDR 0x02020070 +#define EXYNOS_USB_SECONDARY_BOOT 0xfeed0002 +#define EXYNOS_IRAM_SECONDARY_BASE 0x02020018 + +/* TPM */ +#define CONFIG_TPM +#define CONFIG_CMD_TPM +#define CONFIG_TPM_TIS_I2C +#define CONFIG_TPM_TIS_I2C_BUS_NUMBER 3 +#define CONFIG_TPM_TIS_I2C_SLAVE_ADDR 0x20 + +/* MMC SPL */ +#define CONFIG_SPL +#define COPY_BL2_FNPTR_ADDR 0x02020030 + +#define CONFIG_SPL_LIBCOMMON_SUPPORT + +/* specific .lds file */ +#define CONFIG_SPL_LDSCRIPT "board/samsung/common/exynos-uboot-spl.lds" +#define CONFIG_SPL_MAX_FOOTPRINT (14 * 1024) + + +/* Miscellaneous configurable options */ +#define CONFIG_SYS_LONGHELP /* undef to save memory */ +#define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */ +#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ +#define CONFIG_SYS_PBSIZE 384 /* Print Buffer Size */ +#define CONFIG_SYS_MAXARGS 16 /* max number of command args */ +#define CONFIG_DEFAULT_CONSOLE "console=ttySAC1,115200n8\0" +/* Boot Argument Buffer Size */ +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE +/* memtest works on */ +#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE +#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_SDRAM_BASE + 0x5E00000) +#define CONFIG_SYS_LOAD_ADDR (CONFIG_SYS_SDRAM_BASE + 0x3E00000) + +#define CONFIG_SYS_HZ 1000 + +#define CONFIG_RD_LVL + +#define CONFIG_NR_DRAM_BANKS 8 +#define SDRAM_BANK_SIZE (256UL << 20UL) /* 256 MB */ +#define PHYS_SDRAM_1 CONFIG_SYS_SDRAM_BASE +#define PHYS_SDRAM_1_SIZE SDRAM_BANK_SIZE +#define PHYS_SDRAM_2 (CONFIG_SYS_SDRAM_BASE + SDRAM_BANK_SIZE) +#define PHYS_SDRAM_2_SIZE SDRAM_BANK_SIZE +#define PHYS_SDRAM_3 (CONFIG_SYS_SDRAM_BASE + (2 * SDRAM_BANK_SIZE)) +#define PHYS_SDRAM_3_SIZE SDRAM_BANK_SIZE +#define PHYS_SDRAM_4 (CONFIG_SYS_SDRAM_BASE + (3 * SDRAM_BANK_SIZE)) +#define PHYS_SDRAM_4_SIZE SDRAM_BANK_SIZE +#define PHYS_SDRAM_5 (CONFIG_SYS_SDRAM_BASE + (4 * SDRAM_BANK_SIZE)) +#define PHYS_SDRAM_5_SIZE SDRAM_BANK_SIZE +#define PHYS_SDRAM_6 (CONFIG_SYS_SDRAM_BASE + (5 * SDRAM_BANK_SIZE)) +#define PHYS_SDRAM_6_SIZE SDRAM_BANK_SIZE +#define PHYS_SDRAM_7 (CONFIG_SYS_SDRAM_BASE + (6 * SDRAM_BANK_SIZE)) +#define PHYS_SDRAM_7_SIZE SDRAM_BANK_SIZE +#define PHYS_SDRAM_8 (CONFIG_SYS_SDRAM_BASE + (7 * SDRAM_BANK_SIZE)) +#define PHYS_SDRAM_8_SIZE SDRAM_BANK_SIZE + +#define CONFIG_SYS_MONITOR_BASE 0x00000000 + +/* FLASH and environment organization */ +#define CONFIG_SYS_NO_FLASH +#undef CONFIG_CMD_IMLS + +#define CONFIG_SYS_MMC_ENV_DEV 0 + +#define CONFIG_SECURE_BL1_ONLY + +/* Secure FW size configuration */ +#ifdef CONFIG_SECURE_BL1_ONLY +#define CONFIG_SEC_FW_SIZE (8 << 10) /* 8KB */ +#else +#define CONFIG_SEC_FW_SIZE 0 +#endif + +/* Configuration of BL1, BL2, ENV Blocks on mmc */ +#define CONFIG_RES_BLOCK_SIZE (512) +#define CONFIG_BL1_SIZE (16 << 10) /*16 K reserved for BL1*/ +#define CONFIG_BL2_SIZE (512UL << 10UL) /* 512 KB */ +#define CONFIG_ENV_SIZE (16 << 10) /* 16 KB */ + +#define CONFIG_BL1_OFFSET (CONFIG_RES_BLOCK_SIZE + CONFIG_SEC_FW_SIZE) +#define CONFIG_BL2_OFFSET (CONFIG_BL1_OFFSET + CONFIG_BL1_SIZE) +#define CONFIG_ENV_OFFSET (CONFIG_BL2_OFFSET + CONFIG_BL2_SIZE) + +/* U-boot copy size from boot Media to DRAM.*/ +#define BL2_START_OFFSET (CONFIG_BL2_OFFSET/512) +#define BL2_SIZE_BLOC_COUNT (CONFIG_BL2_SIZE/512) + +#define CONFIG_SPI_BOOTING +#define EXYNOS_COPY_SPI_FNPTR_ADDR 0x02020058 +#define SPI_FLASH_UBOOT_POS (CONFIG_SEC_FW_SIZE + CONFIG_BL1_SIZE) + +#define CONFIG_DOS_PARTITION +#define CONFIG_EFI_PARTITION +#define CONFIG_CMD_PART +#define CONFIG_PARTITION_UUIDS + +/* I2C */ +#define CONFIG_SYS_I2C_INIT_BOARD +#define CONFIG_HARD_I2C +#define CONFIG_CMD_I2C +#define CONFIG_SYS_I2C_SPEED 100000 /* 100 Kbps */ +#define CONFIG_DRIVER_S3C24X0_I2C +#define CONFIG_I2C_MULTI_BUS +#define CONFIG_SYS_I2C_SLAVE 0x0 +#define CONFIG_I2C_EDID + +/* SPI */ +#define CONFIG_ENV_IS_IN_SPI_FLASH +#define CONFIG_SPI_FLASH + +#ifdef CONFIG_SPI_FLASH +#define CONFIG_EXYNOS_SPI +#define CONFIG_CMD_SF +#define CONFIG_CMD_SPI +#define CONFIG_SPI_FLASH_WINBOND +#define CONFIG_SPI_FLASH_GIGADEVICE +#define CONFIG_SF_DEFAULT_MODE SPI_MODE_0 +#define CONFIG_SF_DEFAULT_SPEED 50000000 +#define EXYNOS5_SPI_NUM_CONTROLLERS 5 +#endif + +#ifdef CONFIG_ENV_IS_IN_SPI_FLASH +#define CONFIG_ENV_SPI_MODE SPI_MODE_0 +#define CONFIG_ENV_SECT_SIZE CONFIG_ENV_SIZE +#define CONFIG_ENV_SPI_BUS 1 +#define CONFIG_ENV_SPI_MAX_HZ 50000000 +#endif + +/* PMIC */ +#define CONFIG_POWER +#define CONFIG_POWER_I2C + +/* Ethernet Controllor Driver */ +#ifdef CONFIG_CMD_NET +#define CONFIG_SMC911X +#define CONFIG_SMC911X_BASE 0x5000000 +#define CONFIG_SMC911X_16_BIT +#define CONFIG_ENV_SROM_BANK 1 +#endif /*CONFIG_CMD_NET*/ + +/* Enable PXE Support */ +#ifdef CONFIG_CMD_NET +#define CONFIG_CMD_PXE +#define CONFIG_MENU +#endif + +/* Enable devicetree support */ +#define CONFIG_OF_LIBFDT + +/* SHA hashing */ +#define CONFIG_CMD_HASH +#define CONFIG_HASH_VERIFY +#define CONFIG_SHA1 +#define CONFIG_SHA256 + +/* Enable Time Command */ +#define CONFIG_CMD_TIME + +#define CONFIG_CMD_BOOTZ + +#endif /* __CONFIG_H */ diff --git a/include/configs/exynos5250-dt.h b/include/configs/exynos5250-dt.h index 3736ea8..689919d 100644 --- a/include/configs/exynos5250-dt.h +++ b/include/configs/exynos5250-dt.h @@ -1,3 +1,4 @@ + /* * Copyright (C) 2012 Samsung Electronics * @@ -6,325 +7,34 @@ * SPDX-License-Identifier: GPL-2.0+ */

-#ifndef __CONFIG_H -#define __CONFIG_H - -/* High Level Configuration Options */ -#define CONFIG_SAMSUNG /* in a SAMSUNG core */ -#define CONFIG_S5P /* S5P Family */ -#define CONFIG_EXYNOS5 /* which is in a Exynos5 Family */ -#define CONFIG_EXYNOS5250 - -#include <asm/arch/cpu.h> /* get chip and board defs */ - -#define CONFIG_SYS_GENERIC_BOARD -#define CONFIG_ARCH_CPU_INIT -#define CONFIG_DISPLAY_CPUINFO -#define CONFIG_DISPLAY_BOARDINFO -#define CONFIG_BOARD_COMMON -#define CONFIG_ARCH_EARLY_INIT_R +#ifndef __CONFIG_5250_H +#define __CONFIG_5250_H

-/* Enable fdt support for Exynos5250 */ -#define CONFIG_OF_CONTROL -#define CONFIG_OF_SEPARATE +#include <configs/exynos5-dt.h>

-/* Allow tracing to be enabled */ -#define CONFIG_TRACE -#define CONFIG_CMD_TRACE -#define CONFIG_TRACE_BUFFER_SIZE (16 << 20) -#define CONFIG_TRACE_EARLY_SIZE (8 << 20) -#define CONFIG_TRACE_EARLY -#define CONFIG_TRACE_EARLY_ADDR 0x50000000 - -/* Keep L2 Cache Disabled */ -#define CONFIG_SYS_DCACHE_OFF - -/* Enable ACE acceleration for SHA1 and SHA256 */ -#define CONFIG_EXYNOS_ACE_SHA -#define CONFIG_SHA_HW_ACCEL +#define CONFIG_EXYNOS5250

#define CONFIG_SYS_SDRAM_BASE 0x40000000 #define CONFIG_SYS_TEXT_BASE 0x43E00000

-/* input clock of PLL: SMDK5250 has 24MHz input clock */ -#define CONFIG_SYS_CLK_FREQ 24000000 - -#define CONFIG_SETUP_MEMORY_TAGS -#define CONFIG_CMDLINE_TAG -#define CONFIG_INITRD_TAG -#define CONFIG_CMDLINE_EDITING - /* MACH_TYPE_SMDK5250 macro will be removed once added to mach-types */ #define MACH_TYPE_SMDK5250 3774 #define CONFIG_MACH_TYPE MACH_TYPE_SMDK5250

-/* Power Down Modes */ -#define S5P_CHECK_SLEEP 0x00000BAD -#define S5P_CHECK_DIDLE 0xBAD00000 -#define S5P_CHECK_LPA 0xABAD0000 - -/* Offset for inform registers */ -#define INFORM0_OFFSET 0x800 -#define INFORM1_OFFSET 0x804 - -/* Size of malloc() pool */ -#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (4 << 20)) - -/* select serial console configuration */ -#define CONFIG_BAUDRATE 115200 -#define EXYNOS5_DEFAULT_UART_OFFSET 0x010000 -#define CONFIG_SILENT_CONSOLE - -/* Enable keyboard */ -#define CONFIG_CROS_EC /* CROS_EC protocol */ -#define CONFIG_CROS_EC_SPI /* Support CROS_EC over SPI */ -#define CONFIG_CROS_EC_I2C /* Support CROS_EC over I2C */ -#define CONFIG_CROS_EC_KEYB /* CROS_EC keyboard input */ -#define CONFIG_CMD_CROS_EC -#define CONFIG_KEYBOARD - -/* Console configuration */ -#define CONFIG_CONSOLE_MUX -#define CONFIG_SYS_CONSOLE_IS_IN_ENV -#define EXYNOS_DEVICE_SETTINGS \ - "stdin=serial,cros-ec-keyb\0" \ - "stdout=serial,lcd\0" \ - "stderr=serial,lcd\0" - -#define CONFIG_EXTRA_ENV_SETTINGS \ - EXYNOS_DEVICE_SETTINGS - -/* SD/MMC configuration */ -#define CONFIG_GENERIC_MMC -#define CONFIG_MMC -#define CONFIG_SDHCI -#define CONFIG_S5P_SDHCI -#define CONFIG_DWMMC -#define CONFIG_EXYNOS_DWMMC -#define CONFIG_SUPPORT_EMMC_BOOT - - -#define CONFIG_BOARD_EARLY_INIT_F -#define CONFIG_SKIP_LOWLEVEL_INIT - -/* PWM */ -#define CONFIG_PWM - -/* allow to overwrite serial and ethaddr */ -#define CONFIG_ENV_OVERWRITE - -/* Command definition*/ -#include <config_cmd_default.h> - -#define CONFIG_CMD_PING -#define CONFIG_CMD_ELF -#define CONFIG_CMD_MMC -#define CONFIG_CMD_EXT2 -#define CONFIG_CMD_FAT -#define CONFIG_CMD_NET -#define CONFIG_CMD_HASH - -#define CONFIG_BOOTDELAY 3 -#define CONFIG_ZERO_BOOTDELAY_CHECK - -/* Thermal Management Unit */ -#define CONFIG_EXYNOS_TMU -#define CONFIG_CMD_DTT -#define CONFIG_TMU_CMD_DTT - -/* USB */ -#define CONFIG_CMD_USB -#define CONFIG_USB_EHCI -#define CONFIG_USB_EHCI_EXYNOS -#define CONFIG_USB_STORAGE - -/* USB boot mode */ -#define CONFIG_USB_BOOTING -#define EXYNOS_COPY_USB_FNPTR_ADDR 0x02020070 -#define EXYNOS_USB_SECONDARY_BOOT 0xfeed0002 -#define EXYNOS_IRAM_SECONDARY_BASE 0x02020018 - -/* TPM */ -#define CONFIG_TPM -#define CONFIG_CMD_TPM -#define CONFIG_TPM_TIS_I2C -#define CONFIG_TPM_TIS_I2C_BUS_NUMBER 3 -#define CONFIG_TPM_TIS_I2C_SLAVE_ADDR 0x20 - -/* MMC SPL */ -#define CONFIG_SPL -#define COPY_BL2_FNPTR_ADDR 0x02020030 - -#define CONFIG_SPL_LIBCOMMON_SUPPORT - -/* specific .lds file */ -#define CONFIG_SPL_LDSCRIPT "board/samsung/common/exynos-uboot-spl.lds" #define CONFIG_SPL_TEXT_BASE 0x02023400 -#define CONFIG_SPL_MAX_FOOTPRINT (14 * 1024) - #define CONFIG_BOOTCOMMAND "mmc read 40007000 451 2000; bootm 40007000"

-/* Miscellaneous configurable options */ -#define CONFIG_SYS_LONGHELP /* undef to save memory */ -#define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */ #define CONFIG_SYS_PROMPT "SMDK5250 # " -#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ -#define CONFIG_SYS_PBSIZE 384 /* Print Buffer Size */ -#define CONFIG_SYS_MAXARGS 16 /* max number of command args */ -#define CONFIG_DEFAULT_CONSOLE "console=ttySAC1,115200n8\0" -/* Boot Argument Buffer Size */ -#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE -/* memtest works on */ -#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE -#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_SDRAM_BASE + 0x5E00000) -#define CONFIG_SYS_LOAD_ADDR (CONFIG_SYS_SDRAM_BASE + 0x3E00000) - -#define CONFIG_SYS_HZ 1000 - -#define CONFIG_RD_LVL - -#define CONFIG_NR_DRAM_BANKS 8 -#define SDRAM_BANK_SIZE (256UL << 20UL) /* 256 MB */ -#define PHYS_SDRAM_1 CONFIG_SYS_SDRAM_BASE -#define PHYS_SDRAM_1_SIZE SDRAM_BANK_SIZE -#define PHYS_SDRAM_2 (CONFIG_SYS_SDRAM_BASE + SDRAM_BANK_SIZE) -#define PHYS_SDRAM_2_SIZE SDRAM_BANK_SIZE -#define PHYS_SDRAM_3 (CONFIG_SYS_SDRAM_BASE + (2 * SDRAM_BANK_SIZE)) -#define PHYS_SDRAM_3_SIZE SDRAM_BANK_SIZE -#define PHYS_SDRAM_4 (CONFIG_SYS_SDRAM_BASE + (3 * SDRAM_BANK_SIZE)) -#define PHYS_SDRAM_4_SIZE SDRAM_BANK_SIZE -#define PHYS_SDRAM_5 (CONFIG_SYS_SDRAM_BASE + (4 * SDRAM_BANK_SIZE)) -#define PHYS_SDRAM_5_SIZE SDRAM_BANK_SIZE -#define PHYS_SDRAM_6 (CONFIG_SYS_SDRAM_BASE + (5 * SDRAM_BANK_SIZE)) -#define PHYS_SDRAM_6_SIZE SDRAM_BANK_SIZE -#define PHYS_SDRAM_7 (CONFIG_SYS_SDRAM_BASE + (6 * SDRAM_BANK_SIZE)) -#define PHYS_SDRAM_7_SIZE SDRAM_BANK_SIZE -#define PHYS_SDRAM_8 (CONFIG_SYS_SDRAM_BASE + (7 * SDRAM_BANK_SIZE)) -#define PHYS_SDRAM_8_SIZE SDRAM_BANK_SIZE - -#define CONFIG_SYS_MONITOR_BASE 0x00000000 - -/* FLASH and environment organization */ -#define CONFIG_SYS_NO_FLASH -#undef CONFIG_CMD_IMLS #define CONFIG_IDENT_STRING " for SMDK5250"

-#define CONFIG_SYS_MMC_ENV_DEV 0 - -#define CONFIG_SECURE_BL1_ONLY - -/* Secure FW size configuration */ -#ifdef CONFIG_SECURE_BL1_ONLY -#define CONFIG_SEC_FW_SIZE (8 << 10) /* 8KB */ -#else -#define CONFIG_SEC_FW_SIZE 0 -#endif - -/* Configuration of BL1, BL2, ENV Blocks on mmc */ -#define CONFIG_RES_BLOCK_SIZE (512) -#define CONFIG_BL1_SIZE (16 << 10) /*16 K reserved for BL1*/ -#define CONFIG_BL2_SIZE (512UL << 10UL) /* 512 KB */ -#define CONFIG_ENV_SIZE (16 << 10) /* 16 KB */ - -#define CONFIG_BL1_OFFSET (CONFIG_RES_BLOCK_SIZE + CONFIG_SEC_FW_SIZE) -#define CONFIG_BL2_OFFSET (CONFIG_BL1_OFFSET + CONFIG_BL1_SIZE) -#define CONFIG_ENV_OFFSET (CONFIG_BL2_OFFSET + CONFIG_BL2_SIZE) - -/* U-boot copy size from boot Media to DRAM.*/ -#define BL2_START_OFFSET (CONFIG_BL2_OFFSET/512) -#define BL2_SIZE_BLOC_COUNT (CONFIG_BL2_SIZE/512) - -#define CONFIG_SPI_BOOTING -#define EXYNOS_COPY_SPI_FNPTR_ADDR 0x02020058 -#define SPI_FLASH_UBOOT_POS (CONFIG_SEC_FW_SIZE + CONFIG_BL1_SIZE) - -#define CONFIG_DOS_PARTITION -#define CONFIG_EFI_PARTITION -#define CONFIG_CMD_PART -#define CONFIG_PARTITION_UUIDS - - #define CONFIG_IRAM_STACK 0x02050000 - #define CONFIG_SYS_INIT_SP_ADDR CONFIG_IRAM_STACK

-/* I2C */ -#define CONFIG_SYS_I2C_INIT_BOARD -#define CONFIG_HARD_I2C -#define CONFIG_CMD_I2C -#define CONFIG_SYS_I2C_SPEED 100000 /* 100 Kbps */ -#define CONFIG_DRIVER_S3C24X0_I2C -#define CONFIG_I2C_MULTI_BUS -#define CONFIG_MAX_I2C_NUM 8 -#define CONFIG_SYS_I2C_SLAVE 0x0 -#define CONFIG_I2C_EDID - /* PMIC */ -#define CONFIG_PMIC -#define CONFIG_PMIC_I2C -#define CONFIG_PMIC_MAX77686 - -/* SPI */ -#define CONFIG_ENV_IS_IN_SPI_FLASH -#define CONFIG_SPI_FLASH - -#ifdef CONFIG_SPI_FLASH -#define CONFIG_EXYNOS_SPI -#define CONFIG_CMD_SF -#define CONFIG_CMD_SPI -#define CONFIG_SPI_FLASH_WINBOND -#define CONFIG_SPI_FLASH_GIGADEVICE -#define CONFIG_SF_DEFAULT_MODE SPI_MODE_0 -#define CONFIG_SF_DEFAULT_SPEED 50000000 -#define EXYNOS5_SPI_NUM_CONTROLLERS 5 -#endif - -#ifdef CONFIG_ENV_IS_IN_SPI_FLASH -#define CONFIG_ENV_SPI_MODE SPI_MODE_0 -#define CONFIG_ENV_SECT_SIZE CONFIG_ENV_SIZE -#define CONFIG_ENV_SPI_BUS 1 -#define CONFIG_ENV_SPI_MAX_HZ 50000000 -#endif - -/* PMIC */ -#define CONFIG_POWER -#define CONFIG_POWER_I2C #define CONFIG_POWER_MAX77686

-/* SPI */ -#define CONFIG_ENV_IS_IN_SPI_FLASH -#define CONFIG_SPI_FLASH - -#ifdef CONFIG_SPI_FLASH -#define CONFIG_EXYNOS_SPI -#define CONFIG_CMD_SF -#define CONFIG_CMD_SPI -#define CONFIG_SPI_FLASH_WINBOND -#define CONFIG_SF_DEFAULT_MODE SPI_MODE_0 -#define CONFIG_SF_DEFAULT_SPEED 50000000 -#define EXYNOS5_SPI_NUM_CONTROLLERS 5 -#endif - -#ifdef CONFIG_ENV_IS_IN_SPI_FLASH -#define CONFIG_ENV_SPI_MODE SPI_MODE_0 -#define CONFIG_ENV_SECT_SIZE CONFIG_ENV_SIZE -#define CONFIG_ENV_SPI_BUS 1 -#define CONFIG_ENV_SPI_MAX_HZ 50000000 -#endif - -/* Ethernet Controllor Driver */ -#ifdef CONFIG_CMD_NET -#define CONFIG_SMC911X -#define CONFIG_SMC911X_BASE 0x5000000 -#define CONFIG_SMC911X_16_BIT -#define CONFIG_ENV_SROM_BANK 1 -#endif /*CONFIG_CMD_NET*/ - -/* Enable PXE Support */ -#ifdef CONFIG_CMD_NET -#define CONFIG_CMD_PXE -#define CONFIG_MENU -#endif +/* I2C */ +#define CONFIG_MAX_I2C_NUM 8

/* Sound */ #define CONFIG_CMD_SOUND @@ -335,15 +45,6 @@ #define CONFIG_SOUND_WM8994 #endif

-/* Enable devicetree support */ -#define CONFIG_OF_LIBFDT - -/* SHA hashing */ -#define CONFIG_CMD_HASH -#define CONFIG_HASH_VERIFY -#define CONFIG_SHA1 -#define CONFIG_SHA256 - /* Display */ #define CONFIG_LCD #ifdef CONFIG_LCD @@ -353,8 +54,4 @@ #define LCD_YRES 1600 #define LCD_BPP LCD_COLOR16 #endif - -/* Enable Time Command */ -#define CONFIG_CMD_TIME - -#endif /* __CONFIG_H */ +#endif /* __CONFIG_5250_H */ diff --git a/include/configs/smdk5420.h b/include/configs/smdk5420.h new file mode 100644 index 0000000..e580049 --- /dev/null +++ b/include/configs/smdk5420.h @@ -0,0 +1,49 @@ +/* + * Copyright (C) 2013 Samsung Electronics + * + * Configuration settings for the SAMSUNG EXYNOS5420 board. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __CONFIG_5420_H +#define __CONFIG_5420_H + +#include <configs/exynos5-dt.h> + +#define CONFIG_EXYNOS5420 /* which is in a Exynos5 Family */ +#define CONFIG_SMDK5420 /* which is in a SMDK5420 */ + +#undef CONFIG_DEFAULT_DEVICE_TREE +#define CONFIG_DEFAULT_DEVICE_TREE exynos5420-smdk5420 + +#define CONFIG_ARCH_DEVICE_TREE exynos5420 + +#define CONFIG_SYS_SDRAM_BASE 0x20000000 +#define CONFIG_SYS_TEXT_BASE 0x23E00000 + +#define CONFIG_BOARD_REV_GPIO_COUNT 2 + +/* MACH_TYPE_SMDK5420 macro will be removed once added to mach-types */ +#define MACH_TYPE_SMDK5420 8002 /* Temporary number */ +#define CONFIG_MACH_TYPE MACH_TYPE_SMDK5420 + +/* select serial console configuration */ +#define CONFIG_SERIAL3 /* use SERIAL 3 */ + +#define CONFIG_SPL_TEXT_BASE 0x02024400 +#define CONFIG_BOOTCOMMAND "mmc read 20007000 451 2000; bootm 20007000" + +#define CONFIG_SYS_PROMPT "SMDK5420 # " +#define CONFIG_IDENT_STRING " for SMDK5420" + +#define CONFIG_IRAM_TOP 0x02074000 +/* + * Put the initial stack pointer 1KB below this to allow room for the + * SPL marker. This value is arbitrary, but gd_t is placed starting here. + */ +#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_IRAM_TOP - 0x800) + +#define CONFIG_MAX_I2C_NUM 11 + +#endif /* __CONFIG_5420_H */

SMDK5420 has a new Security Management Unit added for dwmmc driver, hence, configuring the control registers to support booting via eMMC.

Signed-off-by: Alim Akhtar alim.akhtar@samsung.com Signed-off-by: Rajeshwari Shinde rajeshwari.s@samsung.com Acked-by: Simon Glass sjg@chromium.org --- Changes in V3: - New patch. Changes in V4: Added flag to dissble SMU Changes in V5: - None drivers/mmc/dw_mmc.c | 10 ++++++++++ drivers/mmc/exynos_dw_mmc.c | 3 +++ include/dwmmc.h | 15 +++++++++++++++ 3 files changed, 28 insertions(+)

diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c index a82ee17..2a8da5c 100644 --- a/drivers/mmc/dw_mmc.c +++ b/drivers/mmc/dw_mmc.c @@ -300,6 +300,16 @@ static int dwmci_init(struct mmc *mmc) struct dwmci_host *host = (struct dwmci_host *)mmc->priv; u32 fifo_size;

+ if (host->quirks & DWMCI_QUIRK_DISABLE_SMU) { + dwmci_writel(host, EMMCP_MPSBEGIN0, 0); + dwmci_writel(host, EMMCP_SEND0, 0); + dwmci_writel(host, EMMCP_CTRL0, + MPSCTRL_SECURE_READ_BIT | + MPSCTRL_SECURE_WRITE_BIT | + MPSCTRL_NON_SECURE_READ_BIT | + MPSCTRL_NON_SECURE_WRITE_BIT | MPSCTRL_VALID); + } + dwmci_writel(host, DWMCI_PWREN, 1);

if (!dwmci_wait_reset(host, DWMCI_RESET_ALL)) { diff --git a/drivers/mmc/exynos_dw_mmc.c b/drivers/mmc/exynos_dw_mmc.c index 4ef9fec..f7439a0 100644 --- a/drivers/mmc/exynos_dw_mmc.c +++ b/drivers/mmc/exynos_dw_mmc.c @@ -62,6 +62,9 @@ int exynos_dwmci_add_port(int index, u32 regbase, int bus_width, u32 clksel) host->name = "EXYNOS DWMMC"; host->ioaddr = (void *)regbase; host->buswidth = bus_width; +#ifdef CONFIG_EXYNOS5420 + host->quirks = DWMCI_QUIRK_DISABLE_SMU; +#endif

if (clksel) { host->clksel_val = clksel; diff --git a/include/dwmmc.h b/include/dwmmc.h index 08ced0b..00bceec 100644 --- a/include/dwmmc.h +++ b/include/dwmmc.h @@ -49,6 +49,9 @@ #define DWMCI_DSCADDR 0x094 #define DWMCI_BUFADDR 0x098 #define DWMCI_DATA 0x200 +#define EMMCP_MPSBEGIN0 0x1200 +#define EMMCP_SEND0 0x1204 +#define EMMCP_CTRL0 0x120C

/* Interrupt Mask register */ #define DWMCI_INTMSK_ALL 0xffffffff @@ -123,6 +126,18 @@ #define DWMCI_BMOD_IDMAC_FB (1 << 1) #define DWMCI_BMOD_IDMAC_EN (1 << 7)

+#define MPSCTRL_SECURE_READ_BIT (0x1<<7) +#define MPSCTRL_SECURE_WRITE_BIT (0x1<<6) +#define MPSCTRL_NON_SECURE_READ_BIT (0x1<<5) +#define MPSCTRL_NON_SECURE_WRITE_BIT (0x1<<4) +#define MPSCTRL_USE_FUSE_KEY (0x1<<3) +#define MPSCTRL_ECB_MODE (0x1<<2) +#define MPSCTRL_ENCRYPTION (0x1<<1) +#define MPSCTRL_VALID (0x1<<0) + +/* quirks */ +#define DWMCI_QUIRK_DISABLE_SMU (1 << 0) + struct dwmci_host { char *name; void *ioaddr;