platform: msmplutonium: Add platform support for plutonium

Platform specific support for msmplutonium.

Change-Id: I9b860073e41c058aa2c9ec5fae779cc45a1f1a81
diff --git a/platform/msmplutonium/msmplutonium-clock.c b/platform/msmplutonium/msmplutonium-clock.c
new file mode 100644
index 0000000..06a6a8b
--- /dev/null
+++ b/platform/msmplutonium/msmplutonium-clock.c
@@ -0,0 +1,346 @@
+/* Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ *       copyright notice, this list of conditions and the following
+ *       disclaimer in the documentation and/or other materials provided
+ *       with the distribution.
+ *     * Neither the name of The Linux Foundation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <assert.h>
+#include <reg.h>
+#include <err.h>
+#include <clock.h>
+#include <clock_pll.h>
+#include <clock_lib2.h>
+#include <platform/clock.h>
+#include <platform/iomap.h>
+
+
+/* Mux source select values */
+#define cxo_source_val    0
+#define gpll0_source_val  1
+#define gpll4_source_val  5
+#define cxo_mm_source_val 0
+#define mmpll0_mm_source_val 1
+#define mmpll1_mm_source_val 2
+#define mmpll3_mm_source_val 3
+#define gpll0_mm_source_val 5
+
+struct clk_freq_tbl rcg_dummy_freq = F_END;
+
+
+/* Clock Operations */
+static struct clk_ops clk_ops_branch =
+{
+	.enable     = clock_lib2_branch_clk_enable,
+	.disable    = clock_lib2_branch_clk_disable,
+	.set_rate   = clock_lib2_branch_set_rate,
+};
+
+static struct clk_ops clk_ops_rcg_mnd =
+{
+	.enable     = clock_lib2_rcg_enable,
+	.set_rate   = clock_lib2_rcg_set_rate,
+};
+
+static struct clk_ops clk_ops_rcg =
+{
+	.enable     = clock_lib2_rcg_enable,
+	.set_rate   = clock_lib2_rcg_set_rate,
+};
+
+static struct clk_ops clk_ops_cxo =
+{
+	.enable     = cxo_clk_enable,
+	.disable    = cxo_clk_disable,
+};
+
+static struct clk_ops clk_ops_pll_vote =
+{
+	.enable     = pll_vote_clk_enable,
+	.disable    = pll_vote_clk_disable,
+	.auto_off   = pll_vote_clk_disable,
+	.is_enabled = pll_vote_clk_is_enabled,
+};
+
+static struct clk_ops clk_ops_vote =
+{
+	.enable     = clock_lib2_vote_clk_enable,
+	.disable    = clock_lib2_vote_clk_disable,
+};
+
+/* Clock Sources */
+static struct fixed_clk cxo_clk_src =
+{
+	.c = {
+		.rate     = 19200000,
+		.dbg_name = "cxo_clk_src",
+		.ops      = &clk_ops_cxo,
+	},
+};
+
+static struct pll_vote_clk gpll0_clk_src =
+{
+	.en_reg       = (void *) APCS_GPLL_ENA_VOTE,
+	.en_mask      = BIT(0),
+	.status_reg     = (void *) GPLL0_MODE,
+	.status_mask    = BIT(30),
+	.parent       = &cxo_clk_src.c,
+
+	.c = {
+		.rate     = 600000000,
+		.dbg_name = "gpll0_clk_src",
+		.ops      = &clk_ops_pll_vote,
+	},
+};
+
+static struct pll_vote_clk gpll4_clk_src =
+{
+	.en_reg       = (void *) APCS_GPLL_ENA_VOTE,
+	.en_mask      = BIT(4),
+	.status_reg   = (void *) GPLL4_MODE,
+	.status_mask  = BIT(30),
+	.parent       = &cxo_clk_src.c,
+
+	.c = {
+		.rate     = 1600000000,
+		.dbg_name = "gpll4_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 blsp2_uart2_apps_clk_src =
+{
+	.cmd_reg      = (uint32_t *) BLSP2_UART2_APPS_CMD_RCGR,
+	.cfg_reg      = (uint32_t *) BLSP2_UART2_APPS_CFG_RCGR,
+	.m_reg        = (uint32_t *) BLSP2_UART2_APPS_M,
+	.n_reg        = (uint32_t *) BLSP2_UART2_APPS_N,
+	.d_reg        = (uint32_t *) BLSP2_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 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_blsp2_uart2_apps_clk =
+{
+	.cbcr_reg     = (uint32_t *) BLSP2_UART2_APPS_CBCR,
+	.parent       = &blsp2_uart2_apps_clk_src.c,
+
+	.c = {
+		.dbg_name = "gcc_blsp2_uart2_apps_clk",
+		.ops      = &clk_ops_branch,
+	},
+};
+
+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_4_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( 96000000,  gpll4,  16,   0,   0),
+	F(192000000,  gpll4,   8,   0,   0),
+	F(384000000,  gpll4,   4,   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_4_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_plutonium[] =
+{
+	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)
+{
+	clk_init(msm_clocks_plutonium, ARRAY_SIZE(msm_clocks_plutonium));
+}