Merge branch 'master' of git://git.denx.de/u-boot-samsung
[platform/kernel/u-boot.git] / board / ti / ks2_evm / board_k2g.c
index b62c412..f0bd31d 100644 (file)
 #include <asm/arch/psc_defs.h>
 #include <asm/arch/mmc_host_def.h>
 #include "mux-k2g.h"
+#include "../common/board_detect.h"
 
-#define SYS_CLK                24000000
-
-unsigned int external_clk[ext_clk_count] = {
-       [sys_clk]       =       SYS_CLK,
-       [pa_clk]        =       SYS_CLK,
-       [tetris_clk]    =       SYS_CLK,
-       [ddr3a_clk]     =       SYS_CLK,
-       [uart_clk]      =       SYS_CLK,
+const unsigned int sysclk_array[MAX_SYSCLK] = {
+       19200000,
+       24000000,
+       25000000,
+       26000000,
 };
 
+unsigned int get_external_clk(u32 clk)
+{
+       unsigned int clk_freq;
+       u8 sysclk_index = get_sysclk_index();
+
+       switch (clk) {
+       case sys_clk:
+               clk_freq = sysclk_array[sysclk_index];
+               break;
+       case pa_clk:
+               clk_freq = sysclk_array[sysclk_index];
+               break;
+       case tetris_clk:
+               clk_freq = sysclk_array[sysclk_index];
+               break;
+       case ddr3a_clk:
+               clk_freq = sysclk_array[sysclk_index];
+               break;
+       case uart_clk:
+               clk_freq = sysclk_array[sysclk_index];
+               break;
+       default:
+               clk_freq = 0;
+               break;
+       }
+
+       return clk_freq;
+}
+
 static int arm_speeds[DEVSPEED_NUMSPDS] = {
        SPD400,
        SPD600,
@@ -47,49 +74,116 @@ static int dev_speeds[DEVSPEED_NUMSPDS] = {
        SPD400,
 };
 
-static struct pll_init_data main_pll_config[NUM_SPDS] = {
-       [SPD400]        = {MAIN_PLL, 100, 3, 2},
-       [SPD600]        = {MAIN_PLL, 300, 6, 2},
-       [SPD800]        = {MAIN_PLL, 200, 3, 2},
-       [SPD900] =      {TETRIS_PLL, 75, 1, 2},
-       [SPD1000] =     {TETRIS_PLL, 250, 3, 2},
+static struct pll_init_data main_pll_config[MAX_SYSCLK][NUM_SPDS] = {
+       [SYSCLK_19MHz] = {
+               [SPD400]        = {MAIN_PLL, 125, 3, 2},
+               [SPD600]        = {MAIN_PLL, 125, 2, 2},
+               [SPD800]        = {MAIN_PLL, 250, 3, 2},
+               [SPD900]        = {MAIN_PLL, 187, 2, 2},
+               [SPD1000]       = {MAIN_PLL, 104, 1, 2},
+       },
+       [SYSCLK_24MHz] = {
+               [SPD400]        = {MAIN_PLL, 100, 3, 2},
+               [SPD600]        = {MAIN_PLL, 300, 6, 2},
+               [SPD800]        = {MAIN_PLL, 200, 3, 2},
+               [SPD900]        = {MAIN_PLL, 75, 1, 2},
+               [SPD1000]       = {MAIN_PLL, 250, 3, 2},
+       },
+       [SYSCLK_25MHz] = {
+               [SPD400]        = {MAIN_PLL, 32, 1, 2},
+               [SPD600]        = {MAIN_PLL, 48, 1, 2},
+               [SPD800]        = {MAIN_PLL, 64, 1, 2},
+               [SPD900]        = {MAIN_PLL, 72, 1, 2},
+               [SPD1000]       = {MAIN_PLL, 80, 1, 2},
+       },
+       [SYSCLK_26MHz] = {
+               [SPD400]        = {MAIN_PLL, 400, 13, 2},
+               [SPD600]        = {MAIN_PLL, 230, 5, 2},
+               [SPD800]        = {MAIN_PLL, 123, 2, 2},
+               [SPD900]        = {MAIN_PLL, 69, 1, 2},
+               [SPD1000]       = {MAIN_PLL, 384, 5, 2},
+       },
 };
 
-static struct pll_init_data tetris_pll_config[NUM_SPDS] = {
-       [SPD200] =      {TETRIS_PLL, 250, 3, 10},
-       [SPD400] =      {TETRIS_PLL, 100, 1, 6},
-       [SPD600] =      {TETRIS_PLL, 100, 1, 4},
-       [SPD800] =      {TETRIS_PLL, 400, 3, 4},
-       [SPD900] =      {TETRIS_PLL, 75, 1, 2},
-       [SPD1000] =     {TETRIS_PLL, 250, 3, 2},
+static struct pll_init_data tetris_pll_config[MAX_SYSCLK][NUM_SPDS] = {
+       [SYSCLK_19MHz] = {
+               [SPD200]        = {TETRIS_PLL, 625, 6, 10},
+               [SPD400]        = {TETRIS_PLL, 125, 1, 6},
+               [SPD600]        = {TETRIS_PLL, 125, 1, 4},
+               [SPD800]        = {TETRIS_PLL, 333, 2, 4},
+               [SPD900]        = {TETRIS_PLL, 187, 2, 2},
+               [SPD1000]       = {TETRIS_PLL, 104, 1, 2},
+       },
+       [SYSCLK_24MHz] = {
+               [SPD200]        = {TETRIS_PLL, 250, 3, 10},
+               [SPD400]        = {TETRIS_PLL, 100, 1, 6},
+               [SPD600]        = {TETRIS_PLL, 100, 1, 4},
+               [SPD800]        = {TETRIS_PLL, 400, 3, 4},
+               [SPD900]        = {TETRIS_PLL, 75, 1, 2},
+               [SPD1000]       = {TETRIS_PLL, 250, 3, 2},
+       },
+       [SYSCLK_25MHz] = {
+               [SPD200]        = {TETRIS_PLL, 80, 1, 10},
+               [SPD400]        = {TETRIS_PLL, 96, 1, 6},
+               [SPD600]        = {TETRIS_PLL, 96, 1, 4},
+               [SPD800]        = {TETRIS_PLL, 128, 1, 4},
+               [SPD900]        = {TETRIS_PLL, 72, 1, 2},
+               [SPD1000]       = {TETRIS_PLL, 80, 1, 2},
+       },
+       [SYSCLK_26MHz] = {
+               [SPD200]        = {TETRIS_PLL, 307, 4, 10},
+               [SPD400]        = {TETRIS_PLL, 369, 4, 6},
+               [SPD600]        = {TETRIS_PLL, 369, 4, 4},
+               [SPD800]        = {TETRIS_PLL, 123, 1, 4},
+               [SPD900]        = {TETRIS_PLL, 69, 1, 2},
+               [SPD1000]       = {TETRIS_PLL, 384, 5, 2},
+       },
 };
 
-static struct pll_init_data uart_pll_config = {UART_PLL, 64, 1, 4};
-static struct pll_init_data nss_pll_config = {NSS_PLL, 250, 3, 2};
-static struct pll_init_data ddr3_pll_config = {DDR3A_PLL, 250, 3, 10};
+static struct pll_init_data uart_pll_config[MAX_SYSCLK] = {
+       [SYSCLK_19MHz] = {UART_PLL, 160, 1, 8},
+       [SYSCLK_24MHz] = {UART_PLL, 128, 1, 8},
+       [SYSCLK_25MHz] = {UART_PLL, 768, 5, 10},
+       [SYSCLK_26MHz] = {UART_PLL, 384, 13, 2},
+};
+
+static struct pll_init_data nss_pll_config[MAX_SYSCLK] = {
+       [SYSCLK_19MHz] = {NSS_PLL, 625, 6, 2},
+       [SYSCLK_24MHz] = {NSS_PLL, 250, 3, 2},
+       [SYSCLK_25MHz] = {NSS_PLL, 80, 1, 2},
+       [SYSCLK_26MHz] = {NSS_PLL, 1000, 13, 2},
+};
+
+static struct pll_init_data ddr3_pll_config[MAX_SYSCLK] = {
+       [SYSCLK_19MHz] = {DDR3A_PLL, 167, 1, 16},
+       [SYSCLK_24MHz] = {DDR3A_PLL, 133, 1, 16},
+       [SYSCLK_25MHz] = {DDR3A_PLL, 128, 1, 16},
+       [SYSCLK_26MHz] = {DDR3A_PLL, 123, 1, 16},
+};
 
 struct pll_init_data *get_pll_init_data(int pll)
 {
        int speed;
        struct pll_init_data *data = NULL;
+       u8 sysclk_index = get_sysclk_index();
 
        switch (pll) {
        case MAIN_PLL:
                speed = get_max_dev_speed(dev_speeds);
-               data = &main_pll_config[speed];
+               data = &main_pll_config[sysclk_index][speed];
                break;
        case TETRIS_PLL:
                speed = get_max_arm_speed(arm_speeds);
-               data = &tetris_pll_config[speed];
+               data = &tetris_pll_config[sysclk_index][speed];
                break;
        case NSS_PLL:
-               data = &nss_pll_config;
+               data = &nss_pll_config[sysclk_index];
                break;
        case UART_PLL:
-               data = &uart_pll_config;
+               data = &uart_pll_config[sysclk_index];
                break;
        case DDR3_PLL:
-               data = &ddr3_pll_config;
+               data = &ddr3_pll_config[sysclk_index];
                break;
        default:
                data = NULL;
@@ -102,7 +196,7 @@ s16 divn_val[16] = {
        -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
 };
 
-#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC)
+#if defined(CONFIG_MMC)
 int board_mmc_init(bd_t *bis)
 {
        if (psc_enable_module(KS2_LPSC_MMC)) {
@@ -117,12 +211,28 @@ int board_mmc_init(bd_t *bis)
 #endif
 
 #ifdef CONFIG_BOARD_EARLY_INIT_F
+
+static void k2g_reset_mux_config(void)
+{
+       /* Unlock the reset mux register */
+       clrbits_le32(KS2_RSTMUX8, RSTMUX_LOCK8_MASK);
+
+       /* Configure BOOTCFG_RSTMUX8 for WDT event to cause a device reset */
+       clrsetbits_le32(KS2_RSTMUX8, RSTMUX_OMODE8_MASK,
+                       RSTMUX_OMODE8_DEV_RESET << RSTMUX_OMODE8_SHIFT);
+
+       /* lock the reset mux register to prevent any spurious writes. */
+       setbits_le32(KS2_RSTMUX8, RSTMUX_LOCK8_MASK);
+}
+
 int board_early_init_f(void)
 {
        init_plls();
 
        k2g_mux_config();
 
+       k2g_reset_mux_config();
+
        /* deassert FLASH_HOLD */
        clrbits_le32(K2G_GPIO1_BANK2_BASE + K2G_GPIO_DIR_OFFSET,
                     BIT(9));
@@ -133,6 +243,24 @@ int board_early_init_f(void)
 }
 #endif
 
+#ifdef CONFIG_BOARD_LATE_INIT
+int board_late_init(void)
+{
+#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_TI_I2C_BOARD_DETECT)
+       int rc;
+
+       rc = ti_i2c_eeprom_am_get(CONFIG_EEPROM_BUS_ADDRESS,
+                       CONFIG_EEPROM_CHIP_ADDRESS);
+       if (rc)
+               printf("ti_i2c_eeprom_init failed %d\n", rc);
+
+       board_ti_set_ethaddr(1);
+#endif
+
+       return 0;
+}
+#endif
+
 #ifdef CONFIG_SPL_BUILD
 void spl_init_keystone_plls(void)
 {