platform: apq8084: Add support for clocks
Change-Id: Ic128d32e37c8a1ece0ff20621259b201c3657725
diff --git a/platform/apq8084/acpuclock.c b/platform/apq8084/acpuclock.c
index 93921fb..2190be1 100644
--- a/platform/apq8084/acpuclock.c
+++ b/platform/apq8084/acpuclock.c
@@ -32,21 +32,126 @@
#include <mmc.h>
#include <clock.h>
#include <platform/clock.h>
+#include <platform/iomap.h>
void hsusb_clock_init(void)
{
+ int ret;
+ struct clk *iclk, *cclk;
+
+ ret = clk_get_set_enable("usb_iface_clk", 0, 1);
+ if(ret)
+ {
+ dprintf(CRITICAL, "failed to set usb_iface_clk ret = %d\n", ret);
+ ASSERT(0);
+ }
+
+ ret = clk_get_set_enable("usb_core_clk", 75000000, 1);
+ if(ret)
+ {
+ dprintf(CRITICAL, "failed to set usb_core_clk ret = %d\n", ret);
+ ASSERT(0);
+ }
+
+ /* Wait for the clocks to be stable since we are disabling soon after. */
+ mdelay(1);
+
+ iclk = clk_get("usb_iface_clk");
+ cclk = clk_get("usb_core_clk");
+
+ clk_disable(iclk);
+ clk_disable(cclk);
+
+ /* Wait for the clock disable to complete. */
+ mdelay(1);
+
+ /* Start the block reset for usb */
+ writel(1, USB_HS_BCR);
+
+ /* Wait for reset to complete. */
+ mdelay(1);
+
+ /* Take usb block out of reset */
+ writel(0, USB_HS_BCR);
+
+ /* Wait for the block to be brought out of reset. */
+ mdelay(1);
+
+ ret = clk_enable(iclk);
+
+ if(ret)
+ {
+ dprintf(CRITICAL, "failed to set usb_iface_clk after async ret = %d\n", ret);
+ ASSERT(0);
+ }
+
+ ret = clk_enable(cclk);
+
+ if(ret)
+ {
+ dprintf(CRITICAL, "failed to set usb_iface_clk after async ret = %d\n", ret);
+ ASSERT(0);
+ }
+
}
void clock_init_mmc(uint32_t interface)
{
+ char clk_name[64];
+ int ret;
+
+ snprintf(clk_name, 64, "sdc%u_iface_clk", interface);
+
+ /* enable interface clock */
+ ret = clk_get_set_enable(clk_name, 0, 1);
+ if(ret)
+ {
+ dprintf(CRITICAL, "failed to set sdc%u_iface_clk ret = %d\n", interface, ret);
+ ASSERT(0);
+ }
}
/* Configure MMC clock */
void clock_config_mmc(uint32_t interface, uint32_t freq)
{
- /* Disalbe MCI_CLK before changing the sdcc clock */
+ int ret;
+ uint32_t reg;
+ char clk_name[64];
+
+ snprintf(clk_name, 64, "sdc%u_core_clk", interface);
+
+ /* Disable MCI_CLK before changing the sdcc clock */
mmc_boot_mci_clk_disable();
+ if(freq == MMC_CLK_400KHZ)
+ {
+ ret = clk_get_set_enable(clk_name, 400000, 1);
+ }
+ else if(freq == MMC_CLK_50MHZ)
+ {
+ ret = clk_get_set_enable(clk_name, 50000000, 1);
+ }
+ else if(freq == MMC_CLK_96MHZ)
+ {
+ ret = clk_get_set_enable(clk_name, 100000000, 1);
+ }
+ else if(freq == MMC_CLK_200MHZ)
+ {
+ ret = clk_get_set_enable(clk_name, 200000000, 1);
+ }
+ else
+ {
+ dprintf(CRITICAL, "sdc frequency (%u) is not supported\n", freq);
+ ASSERT(0);
+ }
+
+
+ if(ret)
+ {
+ dprintf(CRITICAL, "failed to set sdc%u_core_clk ret = %d\n", interface, ret);
+ ASSERT(0);
+ }
+
/* Enable MCI CLK */
mmc_boot_mci_clk_enable();
}
@@ -54,6 +159,26 @@
/* Configure UART clock based on the UART block id*/
void clock_config_uart_dm(uint8_t id)
{
+ int ret;
+ char iclk[64];
+ char cclk[64];
+
+ snprintf(iclk, 64, "uart%u_iface_clk", id);
+ snprintf(cclk, 64, "uart%u_core_clk", id);
+
+ ret = clk_get_set_enable(iclk, 0, 1);
+ if(ret)
+ {
+ dprintf(CRITICAL, "failed to set uart%u_iface_clk ret = %d\n", id, ret);
+ ASSERT(0);
+ }
+
+ ret = clk_get_set_enable(cclk, 7372800, 1);
+ if(ret)
+ {
+ dprintf(CRITICAL, "failed to set uart%u_core_clk ret = %d\n", id, ret);
+ ASSERT(0);
+ }
}
/* Function to asynchronously reset CE (Crypto Engine).
diff --git a/platform/apq8084/apq8084-clock.c b/platform/apq8084/apq8084-clock.c
index b40ee29..432fbdb 100644
--- a/platform/apq8084/apq8084-clock.c
+++ b/platform/apq8084/apq8084-clock.c
@@ -98,11 +98,201 @@
},
};
+static struct pll_vote_clk gpll0_clk_src =
+{
+ .en_reg = (void *) APCS_GPLL_ENA_VOTE,
+ .en_mask = BIT(0),
+ .status_reg = (void *) GPLL0_STATUS,
+ .status_mask = BIT(17),
+ .parent = &cxo_clk_src.c,
+
+ .c = {
+ .rate = 600000000,
+ .dbg_name = "gpll0_clk_src",
+ .ops = &clk_ops_pll_vote,
+ },
+};
+
+/* UART Clocks */
+static struct clk_freq_tbl ftbl_gcc_blsp1_2_uart1_6_apps_clk[] =
+{
+ F( 3686400, gpll0, 1, 96, 15625),
+ F( 7372800, gpll0, 1, 192, 15625),
+ F(14745600, gpll0, 1, 384, 15625),
+ F(16000000, gpll0, 5, 2, 15),
+ F(19200000, cxo, 1, 0, 0),
+ F(24000000, gpll0, 5, 1, 5),
+ F(32000000, gpll0, 1, 4, 75),
+ F(40000000, gpll0, 15, 0, 0),
+ F(46400000, gpll0, 1, 29, 375),
+ F(48000000, gpll0, 12.5, 0, 0),
+ F(51200000, gpll0, 1, 32, 375),
+ F(56000000, gpll0, 1, 7, 75),
+ F(58982400, gpll0, 1, 1536, 15625),
+ F(60000000, gpll0, 10, 0, 0),
+ F_END
+};
+
+static struct rcg_clk blsp1_uart2_apps_clk_src =
+{
+ .cmd_reg = (uint32_t *) BLSP1_UART2_APPS_CMD_RCGR,
+ .cfg_reg = (uint32_t *) BLSP1_UART2_APPS_CFG_RCGR,
+ .m_reg = (uint32_t *) BLSP1_UART2_APPS_M,
+ .n_reg = (uint32_t *) BLSP1_UART2_APPS_N,
+ .d_reg = (uint32_t *) BLSP1_UART2_APPS_D,
+
+ .set_rate = clock_lib2_rcg_set_rate_mnd,
+ .freq_tbl = ftbl_gcc_blsp1_2_uart1_6_apps_clk,
+ .current_freq = &rcg_dummy_freq,
+
+ .c = {
+ .dbg_name = "blsp1_uart2_apps_clk",
+ .ops = &clk_ops_rcg_mnd,
+ },
+};
+
+static struct branch_clk gcc_blsp1_uart2_apps_clk =
+{
+ .cbcr_reg = (uint32_t *) BLSP1_UART2_APPS_CBCR,
+ .parent = &blsp1_uart2_apps_clk_src.c,
+
+ .c = {
+ .dbg_name = "gcc_blsp1_uart2_apps_clk",
+ .ops = &clk_ops_branch,
+ },
+};
+
+static struct vote_clk gcc_blsp1_ahb_clk = {
+ .cbcr_reg = (uint32_t *) BLSP1_AHB_CBCR,
+ .vote_reg = (uint32_t *) APCS_CLOCK_BRANCH_ENA_VOTE,
+ .en_mask = BIT(17),
+
+ .c = {
+ .dbg_name = "gcc_blsp1_ahb_clk",
+ .ops = &clk_ops_vote,
+ },
+};
+
+static struct vote_clk gcc_blsp2_ahb_clk = {
+ .cbcr_reg = (uint32_t *) BLSP2_AHB_CBCR,
+ .vote_reg = (uint32_t *) APCS_CLOCK_BRANCH_ENA_VOTE,
+ .en_mask = BIT(15),
+
+ .c = {
+ .dbg_name = "gcc_blsp2_ahb_clk",
+ .ops = &clk_ops_vote,
+ },
+};
+
+/* USB Clocks */
+static struct clk_freq_tbl ftbl_gcc_usb_hs_system_clk[] =
+{
+ F(75000000, gpll0, 8, 0, 0),
+ F_END
+};
+
+static struct rcg_clk usb_hs_system_clk_src =
+{
+ .cmd_reg = (uint32_t *) USB_HS_SYSTEM_CMD_RCGR,
+ .cfg_reg = (uint32_t *) USB_HS_SYSTEM_CFG_RCGR,
+
+ .set_rate = clock_lib2_rcg_set_rate_hid,
+ .freq_tbl = ftbl_gcc_usb_hs_system_clk,
+ .current_freq = &rcg_dummy_freq,
+
+ .c = {
+ .dbg_name = "usb_hs_system_clk",
+ .ops = &clk_ops_rcg,
+ },
+};
+
+static struct branch_clk gcc_usb_hs_system_clk =
+{
+ .cbcr_reg = (uint32_t *) USB_HS_SYSTEM_CBCR,
+ .parent = &usb_hs_system_clk_src.c,
+
+ .c = {
+ .dbg_name = "gcc_usb_hs_system_clk",
+ .ops = &clk_ops_branch,
+ },
+};
+
+static struct branch_clk gcc_usb_hs_ahb_clk =
+{
+ .cbcr_reg = (uint32_t *) USB_HS_AHB_CBCR,
+ .has_sibling = 1,
+
+ .c = {
+ .dbg_name = "gcc_usb_hs_ahb_clk",
+ .ops = &clk_ops_branch,
+ },
+};
+
+/* SDCC Clocks */
+static struct clk_freq_tbl ftbl_gcc_sdcc1_2_apps_clk[] =
+{
+ F( 144000, cxo, 16, 3, 25),
+ F( 400000, cxo, 12, 1, 4),
+ F( 20000000, gpll0, 15, 1, 2),
+ F( 25000000, gpll0, 12, 1, 2),
+ F( 50000000, gpll0, 12, 0, 0),
+ F(100000000, gpll0, 6, 0, 0),
+ F(200000000, gpll0, 3, 0, 0),
+ F_END
+};
+
+static struct rcg_clk sdcc1_apps_clk_src =
+{
+ .cmd_reg = (uint32_t *) SDCC1_CMD_RCGR,
+ .cfg_reg = (uint32_t *) SDCC1_CFG_RCGR,
+ .m_reg = (uint32_t *) SDCC1_M,
+ .n_reg = (uint32_t *) SDCC1_N,
+ .d_reg = (uint32_t *) SDCC1_D,
+
+ .set_rate = clock_lib2_rcg_set_rate_mnd,
+ .freq_tbl = ftbl_gcc_sdcc1_2_apps_clk,
+ .current_freq = &rcg_dummy_freq,
+
+ .c = {
+ .dbg_name = "sdc1_clk",
+ .ops = &clk_ops_rcg_mnd,
+ },
+};
+
+static struct branch_clk gcc_sdcc1_apps_clk =
+{
+ .cbcr_reg = (uint32_t *) SDCC1_APPS_CBCR,
+ .parent = &sdcc1_apps_clk_src.c,
+
+ .c = {
+ .dbg_name = "gcc_sdcc1_apps_clk",
+ .ops = &clk_ops_branch,
+ },
+};
+
+static struct branch_clk gcc_sdcc1_ahb_clk =
+{
+ .cbcr_reg = (uint32_t *) SDCC1_AHB_CBCR,
+ .has_sibling = 1,
+
+ .c = {
+ .dbg_name = "gcc_sdcc1_ahb_clk",
+ .ops = &clk_ops_branch,
+ },
+};
+
/* Clock lookup table */
static struct clk_lookup msm_clocks_8084[] =
{
-};
+ CLK_LOOKUP("sdc1_iface_clk", gcc_sdcc1_ahb_clk.c),
+ CLK_LOOKUP("sdc1_core_clk", gcc_sdcc1_apps_clk.c),
+ CLK_LOOKUP("uart2_iface_clk", gcc_blsp1_ahb_clk.c),
+ CLK_LOOKUP("uart2_core_clk", gcc_blsp1_uart2_apps_clk.c),
+
+ CLK_LOOKUP("usb_iface_clk", gcc_usb_hs_ahb_clk.c),
+ CLK_LOOKUP("usb_core_clk", gcc_usb_hs_system_clk.c),
+};
void platform_clock_init(void)
{
diff --git a/platform/apq8084/include/platform/iomap.h b/platform/apq8084/include/platform/iomap.h
index d7dbb44..27812cc 100644
--- a/platform/apq8084/include/platform/iomap.h
+++ b/platform/apq8084/include/platform/iomap.h
@@ -61,6 +61,42 @@
#define BLSP1_UART4_BASE (PERIPH_SS_BASE + 0x00121000)
#define BLSP1_UART5_BASE (PERIPH_SS_BASE + 0x00122000)
+#define CLK_CTL_BASE 0xFC400000
+
+/* GPLL */
+#define GPLL0_STATUS (CLK_CTL_BASE + 0x001C)
+#define APCS_GPLL_ENA_VOTE (CLK_CTL_BASE + 0x1480)
+#define APCS_CLOCK_BRANCH_ENA_VOTE (CLK_CTL_BASE + 0x1484)
+
+/* UART */
+#define BLSP1_AHB_CBCR (CLK_CTL_BASE + 0x5C4)
+#define BLSP2_AHB_CBCR (CLK_CTL_BASE + 0x944)
+#define BLSP1_UART2_APPS_CBCR (CLK_CTL_BASE + 0x704)
+#define BLSP1_UART2_APPS_CMD_RCGR (CLK_CTL_BASE + 0x70C)
+#define BLSP1_UART2_APPS_CFG_RCGR (CLK_CTL_BASE + 0x710)
+#define BLSP1_UART2_APPS_M (CLK_CTL_BASE + 0x714)
+#define BLSP1_UART2_APPS_N (CLK_CTL_BASE + 0x718)
+#define BLSP1_UART2_APPS_D (CLK_CTL_BASE + 0x71C)
+
+/* USB */
+#define USB_HS_BCR (CLK_CTL_BASE + 0x480)
+
+#define USB_HS_SYSTEM_CBCR (CLK_CTL_BASE + 0x484)
+#define USB_HS_AHB_CBCR (CLK_CTL_BASE + 0x488)
+#define USB_HS_SYSTEM_CMD_RCGR (CLK_CTL_BASE + 0x490)
+#define USB_HS_SYSTEM_CFG_RCGR (CLK_CTL_BASE + 0x494)
+
+/* SDCC */
+#define SDCC1_BCR (CLK_CTL_BASE + 0x4C0) /* block reset */
+#define SDCC1_APPS_CBCR (CLK_CTL_BASE + 0x4C4) /* branch control */
+#define SDCC1_AHB_CBCR (CLK_CTL_BASE + 0x4C8)
+#define SDCC1_CMD_RCGR (CLK_CTL_BASE + 0x4D0) /* cmd */
+#define SDCC1_CFG_RCGR (CLK_CTL_BASE + 0x4D4) /* cfg */
+#define SDCC1_M (CLK_CTL_BASE + 0x4D8) /* m */
+#define SDCC1_N (CLK_CTL_BASE + 0x4DC) /* n */
+#define SDCC1_D (CLK_CTL_BASE + 0x4E0) /* d */
+#define SDCC1_CDCCAL_SLEEP_CBCR (CLK_CTL_BASE + 0x4E4)
+
/* Addresses below this point needs to be verified.
* Included only for compilation purposes.
*/
@@ -91,8 +127,4 @@
/* DRV strength for sdcc */
#define SDC1_HDRV_PULL_CTL (TLMM_BASE_ADDR + 0x00002044)
-/* SDHCI */
-#define SDCC_MCI_HC_MODE (PERIPH_SS_BASE + 0x00024078)
-#define SDCC_HC_PWRCTL_MASK_REG (PERIPH_SS_BASE + 0x000240E0)
-#define SDCC_HC_PWRCTL_CTL_REG (PERIPH_SS_BASE + 0x000240E8)
#endif
diff --git a/platform/apq8084/platform.c b/platform/apq8084/platform.c
index d31a519..1e4bc85 100644
--- a/platform/apq8084/platform.c
+++ b/platform/apq8084/platform.c
@@ -39,8 +39,7 @@
void platform_early_init(void)
{
- /* Uncomment board_init when bootchain is available. */
- /* board_init(); */
+ board_init();
platform_clock_init();
qgic_init();
qtimer_init();